From 5863577989ad689427bb750107e9a75f1c1645d2 Mon Sep 17 00:00:00 2001 From: Jon Loeliger Date: Wed, 5 Mar 2008 16:41:41 -0600 Subject: FSL: Move board/mpc8260ads under board/freescale Signed-off-by: Jon Loeliger --- Makefile | 6 +- board/freescale/mpc8260ads/Makefile | 51 +++ board/freescale/mpc8260ads/config.mk | 37 +++ board/freescale/mpc8260ads/flash.c | 492 ++++++++++++++++++++++++++++ board/freescale/mpc8260ads/mpc8260ads.c | 546 ++++++++++++++++++++++++++++++++ board/mpc8260ads/Makefile | 51 --- board/mpc8260ads/config.mk | 37 --- board/mpc8260ads/flash.c | 492 ---------------------------- board/mpc8260ads/mpc8260ads.c | 546 -------------------------------- 9 files changed, 1129 insertions(+), 1129 deletions(-) create mode 100644 board/freescale/mpc8260ads/Makefile create mode 100644 board/freescale/mpc8260ads/config.mk create mode 100644 board/freescale/mpc8260ads/flash.c create mode 100644 board/freescale/mpc8260ads/mpc8260ads.c delete mode 100644 board/mpc8260ads/Makefile delete mode 100644 board/mpc8260ads/config.mk delete mode 100644 board/mpc8260ads/flash.c delete mode 100644 board/mpc8260ads/mpc8260ads.c diff --git a/Makefile b/Makefile index 4fde699..11293e1 100644 --- a/Makefile +++ b/Makefile @@ -1609,7 +1609,7 @@ PQ2FADS-ZU_66MHz_config \ PQ2FADS-ZU_66MHz_lowboot_config \ : unconfig @mkdir -p $(obj)include - @mkdir -p $(obj)board/mpc8260ads + @mkdir -p $(obj)board/freescale/mpc8260ads $(if $(findstring PQ2FADS,$@), \ @echo "#define CONFIG_ADSTYPE CFG_PQ2FADS" > $(obj)include/config.h, \ @echo "#define CONFIG_ADSTYPE CFG_"$(subst MPC,,$(word 1,$(subst _, ,$@))) > $(obj)include/config.h) @@ -1618,10 +1618,10 @@ PQ2FADS-ZU_66MHz_lowboot_config \ $(if $(findstring VR,$@), \ @echo "#define CONFIG_8260_CLKIN 66000000" >> $(obj)include/config.h)) @[ -z "$(findstring lowboot_,$@)" ] || \ - { echo "TEXT_BASE = 0xFF800000" >$(obj)board/mpc8260ads/config.tmp ; \ + { echo "TEXT_BASE = 0xFF800000" >$(obj)board/freescale/mpc8260ads/config.tmp ; \ $(XECHO) "... with lowboot configuration" ; \ } - @$(MKCONFIG) -a MPC8260ADS ppc mpc8260 mpc8260ads + @$(MKCONFIG) -a MPC8260ADS ppc mpc8260 mpc8260ads freescale MPC8266ADS_config: unconfig @$(MKCONFIG) $(@:_config=) ppc mpc8260 mpc8266ads diff --git a/board/freescale/mpc8260ads/Makefile b/board/freescale/mpc8260ads/Makefile new file mode 100644 index 0000000..de7d847 --- /dev/null +++ b/board/freescale/mpc8260ads/Makefile @@ -0,0 +1,51 @@ + +# +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS := $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mpc8260ads/config.mk b/board/freescale/mpc8260ads/config.mk new file mode 100644 index 0000000..e99e181 --- /dev/null +++ b/board/freescale/mpc8260ads/config.mk @@ -0,0 +1,37 @@ +# +# (C) Copyright 2001-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Modified by, Stuart Hughes, Lineo Inc, stuarth@lineo.com +# +# Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# MPC8260ADS, MPC8266ADS, and PQ2FADS-ZU/VR boards +# + +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp + +ifndef TEXT_BASE +## Standard: boot high +TEXT_BASE = 0xFFF00000 +endif diff --git a/board/freescale/mpc8260ads/flash.c b/board/freescale/mpc8260ads/flash.c new file mode 100644 index 0000000..59997aa --- /dev/null +++ b/board/freescale/mpc8260ads/flash.c @@ -0,0 +1,492 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com + * Add support the Sharp chips on the mpc8260ads. + * I started with board/ip860/flash.c and made changes I found in + * the MTD project by David Schleef. + * + * (C) Copyright 2003 Arabella Software Ltd. + * Yuli Barcohen + * Re-written to support multi-bank flash SIMMs. + * Added support for real protection and JFFS2. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + +/* Intel-compatible flash ID */ +#define INTEL_COMPAT 0x89898989 +#define INTEL_ALT 0xB0B0B0B0 + +/* Intel-compatible flash commands */ +#define INTEL_PROGRAM 0x10101010 +#define INTEL_ERASE 0x20202020 +#define INTEL_CLEAR 0x50505050 +#define INTEL_LOCKBIT 0x60606060 +#define INTEL_PROTECT 0x01010101 +#define INTEL_STATUS 0x70707070 +#define INTEL_READID 0x90909090 +#define INTEL_CONFIRM 0xD0D0D0D0 +#define INTEL_RESET 0xFFFFFFFF + +/* Intel-compatible flash status bits */ +#define INTEL_FINISHED 0x80808080 +#define INTEL_OK 0x80808080 + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * This board supports 32-bit wide flash SIMMs (4x8-bit configuration.) + * Up to 32MB of flash supported (up to 4 banks.) + * BCSR is used for flash presence detect (page 4-65 of the User's Manual) + * + * The following code can not run from flash! + */ +unsigned long flash_init (void) +{ + ulong size = 0, sect_start, sect_size = 0, bank_size; + ushort sect_count = 0; + int i, j, nbanks; + vu_long *addr = (vu_long *)CFG_FLASH_BASE; + vu_long *bcsr = (vu_long *)CFG_BCSR; + + switch (bcsr[2] & 0xF) { + case 0: + nbanks = 4; + break; + case 1: + nbanks = 2; + break; + case 2: + nbanks = 1; + break; + default: /* Unsupported configurations */ + nbanks = CFG_MAX_FLASH_BANKS; + } + + if (nbanks > CFG_MAX_FLASH_BANKS) + nbanks = CFG_MAX_FLASH_BANKS; + + for (i = 0; i < nbanks; i++) { + *addr = INTEL_READID; /* Read Intelligent Identifier */ + if ((addr[0] == INTEL_COMPAT) || (addr[0] == INTEL_ALT)) { + switch (addr[1]) { + case SHARP_ID_28F016SCL: + case SHARP_ID_28F016SCZ: + flash_info[i].flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT; + sect_count = 32; + sect_size = 0x40000; + break; + default: + flash_info[i].flash_id = FLASH_UNKNOWN; + sect_count = CFG_MAX_FLASH_SECT; + sect_size = + CFG_FLASH_SIZE / CFG_MAX_FLASH_BANKS / CFG_MAX_FLASH_SECT; + } + } + else + flash_info[i].flash_id = FLASH_UNKNOWN; + if (flash_info[i].flash_id == FLASH_UNKNOWN) { + printf("### Unknown flash ID %08lX %08lX at address %08lX ###\n", + addr[0], addr[1], (ulong)addr); + size = 0; + *addr = INTEL_RESET; /* Reset bank to Read Array mode */ + break; + } + flash_info[i].sector_count = sect_count; + flash_info[i].size = bank_size = sect_size * sect_count; + size += bank_size; + sect_start = (ulong)addr; + for (j = 0; j < sect_count; j++) { + addr = (vu_long *)sect_start; + flash_info[i].start[j] = sect_start; + flash_info[i].protect[j] = (addr[2] == 0x01010101); + sect_start += sect_size; + } + *addr = INTEL_RESET; /* Reset bank to Read Array mode */ + addr = (vu_long *)sect_start; + } + + if (size == 0) { /* Unknown flash, fill with hard-coded values */ + sect_start = CFG_FLASH_BASE; + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + flash_info[i].flash_id = FLASH_UNKNOWN; + flash_info[i].size = CFG_FLASH_SIZE / CFG_MAX_FLASH_BANKS; + flash_info[i].sector_count = sect_count; + for (j = 0; j < sect_count; j++) { + flash_info[i].start[j] = sect_start; + flash_info[i].protect[j] = 0; + sect_start += sect_size; + } + } + size = CFG_FLASH_SIZE; + } + else + for (i = nbanks; i < CFG_MAX_FLASH_BANKS; i++) { + flash_info[i].flash_id = FLASH_UNKNOWN; + flash_info[i].size = 0; + flash_info[i].sector_count = 0; + } + +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE+monitor_flash_len-1, + &flash_info[0]); +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1, + &flash_info[0]); +#endif + return (size); +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: printf ("Intel "); break; + case FLASH_MAN_SHARP: printf ("Sharp "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n"); + break; + case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n"); + break; + case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n"); + break; + case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i=0; isector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " " + ); + } + printf ("\n"); +} + +/*----------------------------------------------------------------------- + */ +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong start, now, last; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + if ( ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) + && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) { + printf ("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + vu_long *addr = (vu_long *)(info->start[sect]); + + last = start = get_timer (0); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Clear Status Register */ + *addr = INTEL_CLEAR; + /* Single Block Erase Command */ + *addr = INTEL_ERASE; + /* Confirm */ + *addr = INTEL_CONFIRM; + + if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) { + /* Resume Command, as per errata update */ + *addr = INTEL_CONFIRM; + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { + if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = INTEL_RESET; /* reset bank */ + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + + if (*addr != INTEL_OK) { + printf("Block erase failed at %08X, CSR=%08X\n", + (uint)addr, (uint)*addr); + *addr = INTEL_RESET; /* reset bank */ + return 1; + } + + /* reset to read mode */ + *addr = INTEL_RESET; + } + } + + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word (flash_info_t *info, ulong dest, ulong data) +{ + ulong start; + int rc = 0; + int flag; + vu_long *addr = (vu_long *)dest; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + return (2); + } + + *addr = INTEL_CLEAR; /* Clear status register */ + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Write Command */ + *addr = INTEL_PROGRAM; + + /* Write Data */ + *addr = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + printf("Write timed out\n"); + rc = 1; + break; + } + } + if (*addr != INTEL_OK) { + printf ("Write failed at %08X, CSR=%08X\n", (uint)addr, (uint)*addr); + rc = 1; + } + + *addr = INTEL_RESET; /* Reset to read array mode */ + + return rc; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + *(vu_long *)wp = INTEL_RESET; /* Reset to read array mode */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i=0; i<4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + rc = write_word(info, wp, data); + + return rc; +} + +/*----------------------------------------------------------------------- + * Set/Clear sector's lock bit, returns: + * 0 - OK + * 1 - Error (timeout, voltage problems, etc.) + */ +int flash_real_protect(flash_info_t *info, long sector, int prot) +{ + ulong start; + int i; + int rc = 0; + vu_long *addr = (vu_long *)(info->start[sector]); + int flag = disable_interrupts(); + + *addr = INTEL_CLEAR; /* Clear status register */ + if (prot) { /* Set sector lock bit */ + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + } + else { /* Clear sector lock bit */ + *addr = INTEL_LOCKBIT; /* All sectors lock bits */ + *addr = INTEL_CONFIRM; /* clear */ + } + + start = get_timer(0); + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { + if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) { + printf("Flash lock bit operation timed out\n"); + rc = 1; + break; + } + } + + if (*addr != INTEL_OK) { + printf("Flash lock bit operation failed at %08X, CSR=%08X\n", + (uint)addr, (uint)*addr); + rc = 1; + } + + if (!rc) + info->protect[sector] = prot; + + /* + * Clear lock bit command clears all sectors lock bits, so + * we have to restore lock bits of protected sectors. + */ + if (!prot) + for (i = 0; i < info->sector_count; i++) + if (info->protect[i]) { + addr = (vu_long *)(info->start[i]); + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + udelay(CFG_FLASH_LOCK_TOUT * 1000); + } + + if (flag) + enable_interrupts(); + + *addr = INTEL_RESET; /* Reset to read array mode */ + + return rc; +} diff --git a/board/freescale/mpc8260ads/mpc8260ads.c b/board/freescale/mpc8260ads/mpc8260ads.c new file mode 100644 index 0000000..93550e2 --- /dev/null +++ b/board/freescale/mpc8260ads/mpc8260ads.c @@ -0,0 +1,546 @@ +/* + * (C) Copyright 2001-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified during 2001 by + * Advanced Communications Technologies (Australia) Pty. Ltd. + * Howard Walker, Tuong Vu-Dinh + * + * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com + * Added support for the 16M dram simm on the 8260ads boards + * + * (C) Copyright 2003-2004 Arabella Software Ltd. + * Yuli Barcohen + * Added support for SDRAM DIMMs SPD EEPROM, MII, Ethernet PHY init. + * + * Copyright (c) 2005 MontaVista Software, Inc. + * Vitaly Bordug + * Added support for PCI. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#ifdef CONFIG_PCI +#include +#endif + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + */ + +#define CFG_FCC1 (CONFIG_ETHER_INDEX == 1) +#define CFG_FCC2 (CONFIG_ETHER_INDEX == 2) +#define CFG_FCC3 (CONFIG_ETHER_INDEX == 3) + +const iop_conf_t iop_conf_tab[4][32] = { + + /* Port A configuration */ + { /* conf ppar psor pdir podr pdat */ + /* PA31 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */ + /* PA30 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */ + /* PA29 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */ + /* PA28 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */ + /* PA27 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */ + /* PA26 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */ + /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */ + /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */ + /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ + /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ + /* PA21 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */ + /* PA20 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */ + /* PA19 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */ + /* PA18 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */ + /* PA17 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */ + /* PA16 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */ + /* PA15 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */ + /* PA14 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */ + /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ + /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */ + /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ + /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */ + /* PA9 */ { 0, 0, 0, 0, 0, 0 }, /* PA9 */ + /* PA8 */ { 0, 0, 0, 0, 0, 0 }, /* PA8 */ + /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ + /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ + /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ + /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ + /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ + /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ + /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ + /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ + }, + + /* Port B configuration */ + { /* conf ppar psor pdir podr pdat */ + /* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ + /* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ + /* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ + /* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ + /* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ + /* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ + /* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ + /* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ + /* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ + /* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ + /* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ + /* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ + /* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ + /* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ + /* PB17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ + /* PB16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ + /* PB15 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ + /* PB14 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ + /* PB13 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */ + /* PB12 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ + /* PB11 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB10 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB9 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB8 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB7 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB6 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB5 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB4 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ + }, + + /* Port C */ + { /* conf ppar psor pdir podr pdat */ + /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ + /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ + /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ + /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ + /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ + /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ + /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ + /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ + /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ + /* PC22 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Tx Clock (CLK10) */ + /* PC21 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Rx Clock (CLK11) */ + /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ +#if CONFIG_ADSTYPE == CFG_8272ADS + /* PC19 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ + /* PC18 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ + /* PC17 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK15) */ + /* PC16 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK16) */ +#else + /* PC19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK13) */ + /* PC18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK14) */ + /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */ + /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */ +#endif /* CONFIG_ADSTYPE == CFG_8272ADS */ + /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ + /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ + /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */ + /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */ + /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ +#if CONFIG_ADSTYPE == CFG_8272ADS + /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ + /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */ +#else + /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ + /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ +#endif /* CONFIG_ADSTYPE == CFG_8272ADS */ + /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */ + /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ + /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ + /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ + /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ + /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ + /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ + /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ + /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ + }, + + /* Port D */ + { /* conf ppar psor pdir podr pdat */ + /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */ + /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */ + /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */ + /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ + /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ + /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ + /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ + /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ + /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ + /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ + /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ + /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ + /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ + /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ + /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ + /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ + /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ + /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ + /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ + /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ + /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ + /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ + /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ + /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ + /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ + /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ + /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ + /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ + /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ + } +}; + +void reset_phy (void) +{ + vu_long *bcsr = (vu_long *)CFG_BCSR; + + /* Reset the PHY */ +#if CFG_PHY_ADDR == 0 + bcsr[1] &= ~(FETHIEN1 | FETH1_RST); + udelay(2); + bcsr[1] |= FETH1_RST; +#else + bcsr[3] &= ~(FETHIEN2 | FETH2_RST); + udelay(2); + bcsr[3] |= FETH2_RST; +#endif /* CFG_PHY_ADDR == 0 */ + udelay(1000); +#ifdef CONFIG_MII +#if CONFIG_ADSTYPE >= CFG_PQ2FADS + /* + * Do not bypass Rx/Tx (de)scrambler (fix configuration error) + * Enable autonegotiation. + */ + bb_miiphy_write(NULL, CFG_PHY_ADDR, 16, 0x610); + bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_BMCR, + PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); +#else + /* + * Ethernet PHY is configured (by means of configuration pins) + * to work at 10Mb/s only. We reconfigure it using MII + * to advertise all capabilities, including 100Mb/s, and + * restart autonegotiation. + */ + + /* Advertise all capabilities */ + bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_ANAR, 0x01E1); + + /* Do not bypass Rx/Tx (de)scrambler */ + bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_DCR, 0x0000); + + bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_BMCR, + PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); +#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ +#endif /* CONFIG_MII */ +} + +#ifdef CONFIG_PCI +typedef struct pci_ic_s { + unsigned long pci_int_stat; + unsigned long pci_int_mask; +}pci_ic_t; +#endif + +int board_early_init_f (void) +{ + vu_long *bcsr = (vu_long *)CFG_BCSR; + +#ifdef CONFIG_PCI + volatile pci_ic_t* pci_ic = (pci_ic_t *) CFG_PCI_INT; + + /* mask alll the PCI interrupts */ + pci_ic->pci_int_mask |= 0xfff00000; +#endif +#if (CONFIG_CONS_INDEX == 1) || (CONFIG_KGDB_INDEX == 1) + bcsr[1] &= ~RS232EN_1; +#endif +#if (CONFIG_CONS_INDEX > 1) || (CONFIG_KGDB_INDEX > 1) + bcsr[1] &= ~RS232EN_2; +#endif + +#if CONFIG_ADSTYPE != CFG_8260ADS /* PCI mode can be selected */ +#if CONFIG_ADSTYPE == CFG_PQ2FADS + if ((bcsr[3] & BCSR_PCI_MODE) == 0) /* PCI mode selected by JP9 */ +#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ + { + volatile immap_t *immap = (immap_t *) CFG_IMMR; + + immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN; + immap->im_siu_conf.sc_siumcr = + (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11) + | SIUMCR_LBPC01; + } +#endif /* CONFIG_ADSTYPE != CFG_8260ADS */ + + return 0; +} + +#define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1) + +long int initdram (int board_type) +{ +#if CONFIG_ADSTYPE == CFG_PQ2FADS + long int msize = 32; +#elif CONFIG_ADSTYPE == CFG_8272ADS + long int msize = 64; +#else + long int msize = 16; +#endif + +#ifndef CFG_RAMBOOT + volatile immap_t *immap = (immap_t *) CFG_IMMR; + volatile memctl8260_t *memctl = &immap->im_memctl; + volatile uchar *ramaddr, c = 0xff; + uint or; + uint psdmr; + uint psrt; + + int i; + + immap->im_siu_conf.sc_ppc_acr = 0x00000002; + immap->im_siu_conf.sc_ppc_alrh = 0x01267893; + immap->im_siu_conf.sc_tescr1 = 0x00004000; + + memctl->memc_mptpr = CFG_MPTPR; +#ifdef CFG_LSDRAM_BASE + /* + Initialise local bus SDRAM only if the pins + are configured as local bus pins and not as PCI. + The configuration is determined by the HRCW. + */ + if ((immap->im_siu_conf.sc_siumcr & SIUMCR_LBPC11) == SIUMCR_LBPC00) { + memctl->memc_lsrt = CFG_LSRT; +#if CONFIG_ADSTYPE == CFG_PQ2FADS /* CS3 */ + memctl->memc_or3 = 0xFF803280; + memctl->memc_br3 = CFG_LSDRAM_BASE | 0x00001861; +#else /* CS4 */ + memctl->memc_or4 = 0xFFC01480; + memctl->memc_br4 = CFG_LSDRAM_BASE | 0x00001861; +#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ + memctl->memc_lsdmr = CFG_LSDMR | 0x28000000; + ramaddr = (uchar *) CFG_LSDRAM_BASE; + *ramaddr = c; + memctl->memc_lsdmr = CFG_LSDMR | 0x08000000; + for (i = 0; i < 8; i++) + *ramaddr = c; + memctl->memc_lsdmr = CFG_LSDMR | 0x18000000; + *ramaddr = c; + memctl->memc_lsdmr = CFG_LSDMR | 0x40000000; + } +#endif /* CFG_LSDRAM_BASE */ + + /* Init 60x bus SDRAM */ +#ifdef CONFIG_SPD_EEPROM + { + spd_eeprom_t spd; + uint pbi, bsel, rowst, lsb, tmp; + + i2c_read (CONFIG_SPD_ADDR, 0, 1, (uchar *) & spd, sizeof (spd)); + + /* Bank-based interleaving is not supported for physical bank + sizes greater than 128MB which is encoded as 0x20 in SPD + */ + pbi = (spd.row_dens > 32) ? 1 : CONFIG_SDRAM_PBI; + msize = spd.nrows * (4 * spd.row_dens); /* Mixed size not supported */ + or = ~(msize - 1) << 20; /* SDAM */ + switch (spd.nbanks) { /* BPD */ + case 2: + bsel = 1; + break; + case 4: + bsel = 2; + or |= 0x00002000; + break; + case 8: + bsel = 3; + or |= 0x00004000; + break; + } + lsb = 3; /* For 64-bit port, lsb is 3 bits */ + + if (pbi) { /* Bus partition depends on interleaving */ + rowst = 32 - (spd.nrow_addr + spd.ncol_addr + bsel + lsb); + or |= (rowst << 9); /* ROWST */ + } else { + rowst = 32 - (spd.nrow_addr + spd.ncol_addr + lsb); + or |= ((rowst * 2 - 12) << 9); /* ROWST */ + } + or |= ((spd.nrow_addr - 9) << 6); /* NUMR */ + + psdmr = (pbi << 31); /* PBI */ + /* Bus multiplexing parameters */ + tmp = 32 - (lsb + spd.nrow_addr); /* Tables 10-19 and 10-20 */ + psdmr |= ((tmp - (rowst - 5) - 13) << 24); /* SDAM */ + psdmr |= ((tmp - 3 - 12) << 21); /* BSMA */ + + tmp = (31 - lsb - 10) - tmp; + /* Pin connected to SDA10 is (31 - lsb - 10). + rowst is multiplexed over (32 - (lsb + spd.nrow_addr)), + so (rowst + tmp) alternates with AP. + */ + if (pbi) /* Table 10-7 */ + psdmr |= ((10 - (rowst + tmp)) << 18); /* SDA10 */ + else + psdmr |= ((12 - (rowst + tmp)) << 18); /* SDA10 */ + + /* SDRAM device-specific parameters */ + tmp = ns2clk (70); /* Refresh recovery is not in SPD, so assume 70ns */ + switch (tmp) { /* RFRC */ + case 1: + case 2: + psdmr |= (1 << 15); + break; + case 3: + case 4: + case 5: + case 6: + case 7: + case 8: + psdmr |= ((tmp - 2) << 15); + break; + default: + psdmr |= (7 << 15); + } + psdmr |= (ns2clk (spd.trp) % 8 << 12); /* PRETOACT */ + psdmr |= (ns2clk (spd.trcd) % 8 << 9); /* ACTTORW */ + /* BL=0 because for 64-bit SDRAM burst length must be 4 */ + /* LDOTOPRE ??? */ + for (i = 0, tmp = spd.write_lat; (i < 4) && ((tmp & 1) == 0); i++) + tmp >>= 1; + switch (i) { /* WRC */ + case 0: + case 1: + psdmr |= (1 << 4); + break; + case 2: + case 3: + psdmr |= (i << 4); + break; + } + /* EAMUX=0 - no external address multiplexing */ + /* BUFCMD=0 - no external buffers */ + for (i = 1, tmp = spd.cas_lat; (i < 3) && ((tmp & 1) == 0); i++) + tmp >>= 1; + psdmr |= i; /* CL */ + + switch (spd.refresh & 0x7F) { + case 1: + tmp = 3900; + break; + case 2: + tmp = 7800; + break; + case 3: + tmp = 31300; + break; + case 4: + tmp = 62500; + break; + case 5: + tmp = 125000; + break; + default: + tmp = 15625; + } + psrt = tmp / (1000000000 / CONFIG_8260_CLKIN * + ((memctl->memc_mptpr >> 8) + 1)) - 1; +#ifdef SPD_DEBUG + printf ("\nDIMM type: %-18.18s\n", spd.mpart); + printf ("SPD size: %d\n", spd.info_size); + printf ("EEPROM size: %d\n", 1 << spd.chip_size); + printf ("Memory type: %d\n", spd.mem_type); + printf ("Row addr: %d\n", spd.nrow_addr); + printf ("Column addr: %d\n", spd.ncol_addr); + printf ("# of rows: %d\n", spd.nrows); + printf ("Row density: %d\n", spd.row_dens); + printf ("# of banks: %d\n", spd.nbanks); + printf ("Data width: %d\n", + 256 * spd.dataw_msb + spd.dataw_lsb); + printf ("Chip width: %d\n", spd.primw); + printf ("Refresh rate: %02X\n", spd.refresh); + printf ("CAS latencies: %02X\n", spd.cas_lat); + printf ("Write latencies: %02X\n", spd.write_lat); + printf ("tRP: %d\n", spd.trp); + printf ("tRCD: %d\n", spd.trcd); + + printf ("OR=%X, PSDMR=%08X, PSRT=%0X\n", or, psdmr, psrt); +#endif /* SPD_DEBUG */ + } +#else /* !CONFIG_SPD_EEPROM */ + or = CFG_OR2; + psdmr = CFG_PSDMR; + psrt = CFG_PSRT; +#endif /* CONFIG_SPD_EEPROM */ + memctl->memc_psrt = psrt; + memctl->memc_or2 = or; + memctl->memc_br2 = CFG_SDRAM_BASE | 0x00000041; + ramaddr = (uchar *) CFG_SDRAM_BASE; + memctl->memc_psdmr = psdmr | 0x28000000; /* Precharge all banks */ + *ramaddr = c; + memctl->memc_psdmr = psdmr | 0x08000000; /* CBR refresh */ + for (i = 0; i < 8; i++) + *ramaddr = c; + + memctl->memc_psdmr = psdmr | 0x18000000; /* Mode Register write */ + *ramaddr = c; + memctl->memc_psdmr = psdmr | 0x40000000; /* Refresh enable */ + *ramaddr = c; +#endif /* CFG_RAMBOOT */ + + /* return total 60x bus SDRAM size */ + return (msize * 1024 * 1024); +} + +int checkboard (void) +{ +#if CONFIG_ADSTYPE == CFG_8260ADS + puts ("Board: Motorola MPC8260ADS\n"); +#elif CONFIG_ADSTYPE == CFG_8266ADS + puts ("Board: Motorola MPC8266ADS\n"); +#elif CONFIG_ADSTYPE == CFG_PQ2FADS + puts ("Board: Motorola PQ2FADS-ZU\n"); +#elif CONFIG_ADSTYPE == CFG_8272ADS + puts ("Board: Motorola MPC8272ADS\n"); +#else + puts ("Board: unknown\n"); +#endif + return 0; +} + +#ifdef CONFIG_PCI +struct pci_controller hose; + +extern void pci_mpc8250_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc8250_init(&hose); +} +#endif diff --git a/board/mpc8260ads/Makefile b/board/mpc8260ads/Makefile deleted file mode 100644 index de7d847..0000000 --- a/board/mpc8260ads/Makefile +++ /dev/null @@ -1,51 +0,0 @@ - -# -# (C) Copyright 2001-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS := $(BOARD).o flash.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak .depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/mpc8260ads/config.mk b/board/mpc8260ads/config.mk deleted file mode 100644 index e99e181..0000000 --- a/board/mpc8260ads/config.mk +++ /dev/null @@ -1,37 +0,0 @@ -# -# (C) Copyright 2001-2003 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# Modified by, Stuart Hughes, Lineo Inc, stuarth@lineo.com -# -# Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -# -# MPC8260ADS, MPC8266ADS, and PQ2FADS-ZU/VR boards -# - -sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp - -ifndef TEXT_BASE -## Standard: boot high -TEXT_BASE = 0xFFF00000 -endif diff --git a/board/mpc8260ads/flash.c b/board/mpc8260ads/flash.c deleted file mode 100644 index 59997aa..0000000 --- a/board/mpc8260ads/flash.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com - * Add support the Sharp chips on the mpc8260ads. - * I started with board/ip860/flash.c and made changes I found in - * the MTD project by David Schleef. - * - * (C) Copyright 2003 Arabella Software Ltd. - * Yuli Barcohen - * Re-written to support multi-bank flash SIMMs. - * Added support for real protection and JFFS2. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include - -/* Intel-compatible flash ID */ -#define INTEL_COMPAT 0x89898989 -#define INTEL_ALT 0xB0B0B0B0 - -/* Intel-compatible flash commands */ -#define INTEL_PROGRAM 0x10101010 -#define INTEL_ERASE 0x20202020 -#define INTEL_CLEAR 0x50505050 -#define INTEL_LOCKBIT 0x60606060 -#define INTEL_PROTECT 0x01010101 -#define INTEL_STATUS 0x70707070 -#define INTEL_READID 0x90909090 -#define INTEL_CONFIRM 0xD0D0D0D0 -#define INTEL_RESET 0xFFFFFFFF - -/* Intel-compatible flash status bits */ -#define INTEL_FINISHED 0x80808080 -#define INTEL_OK 0x80808080 - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * This board supports 32-bit wide flash SIMMs (4x8-bit configuration.) - * Up to 32MB of flash supported (up to 4 banks.) - * BCSR is used for flash presence detect (page 4-65 of the User's Manual) - * - * The following code can not run from flash! - */ -unsigned long flash_init (void) -{ - ulong size = 0, sect_start, sect_size = 0, bank_size; - ushort sect_count = 0; - int i, j, nbanks; - vu_long *addr = (vu_long *)CFG_FLASH_BASE; - vu_long *bcsr = (vu_long *)CFG_BCSR; - - switch (bcsr[2] & 0xF) { - case 0: - nbanks = 4; - break; - case 1: - nbanks = 2; - break; - case 2: - nbanks = 1; - break; - default: /* Unsupported configurations */ - nbanks = CFG_MAX_FLASH_BANKS; - } - - if (nbanks > CFG_MAX_FLASH_BANKS) - nbanks = CFG_MAX_FLASH_BANKS; - - for (i = 0; i < nbanks; i++) { - *addr = INTEL_READID; /* Read Intelligent Identifier */ - if ((addr[0] == INTEL_COMPAT) || (addr[0] == INTEL_ALT)) { - switch (addr[1]) { - case SHARP_ID_28F016SCL: - case SHARP_ID_28F016SCZ: - flash_info[i].flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT; - sect_count = 32; - sect_size = 0x40000; - break; - default: - flash_info[i].flash_id = FLASH_UNKNOWN; - sect_count = CFG_MAX_FLASH_SECT; - sect_size = - CFG_FLASH_SIZE / CFG_MAX_FLASH_BANKS / CFG_MAX_FLASH_SECT; - } - } - else - flash_info[i].flash_id = FLASH_UNKNOWN; - if (flash_info[i].flash_id == FLASH_UNKNOWN) { - printf("### Unknown flash ID %08lX %08lX at address %08lX ###\n", - addr[0], addr[1], (ulong)addr); - size = 0; - *addr = INTEL_RESET; /* Reset bank to Read Array mode */ - break; - } - flash_info[i].sector_count = sect_count; - flash_info[i].size = bank_size = sect_size * sect_count; - size += bank_size; - sect_start = (ulong)addr; - for (j = 0; j < sect_count; j++) { - addr = (vu_long *)sect_start; - flash_info[i].start[j] = sect_start; - flash_info[i].protect[j] = (addr[2] == 0x01010101); - sect_start += sect_size; - } - *addr = INTEL_RESET; /* Reset bank to Read Array mode */ - addr = (vu_long *)sect_start; - } - - if (size == 0) { /* Unknown flash, fill with hard-coded values */ - sect_start = CFG_FLASH_BASE; - for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { - flash_info[i].flash_id = FLASH_UNKNOWN; - flash_info[i].size = CFG_FLASH_SIZE / CFG_MAX_FLASH_BANKS; - flash_info[i].sector_count = sect_count; - for (j = 0; j < sect_count; j++) { - flash_info[i].start[j] = sect_start; - flash_info[i].protect[j] = 0; - sect_start += sect_size; - } - } - size = CFG_FLASH_SIZE; - } - else - for (i = nbanks; i < CFG_MAX_FLASH_BANKS; i++) { - flash_info[i].flash_id = FLASH_UNKNOWN; - flash_info[i].size = 0; - flash_info[i].sector_count = 0; - } - -#if CFG_MONITOR_BASE >= CFG_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CFG_MONITOR_BASE, - CFG_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#ifdef CFG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CFG_ENV_ADDR, - CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1, - &flash_info[0]); -#endif - return (size); -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: printf ("Intel "); break; - case FLASH_MAN_SHARP: printf ("Sharp "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n"); - break; - case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n"); - break; - case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n"); - break; - case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n"); - break; - default: printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; isector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); -} - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong start, now, last; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ( ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) - && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_long *addr = (vu_long *)(info->start[sect]); - - last = start = get_timer (0); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* Clear Status Register */ - *addr = INTEL_CLEAR; - /* Single Block Erase Command */ - *addr = INTEL_ERASE; - /* Confirm */ - *addr = INTEL_CONFIRM; - - if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) { - /* Resume Command, as per errata update */ - *addr = INTEL_CONFIRM; - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { - if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = INTEL_RESET; /* reset bank */ - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - - if (*addr != INTEL_OK) { - printf("Block erase failed at %08X, CSR=%08X\n", - (uint)addr, (uint)*addr); - *addr = INTEL_RESET; /* reset bank */ - return 1; - } - - /* reset to read mode */ - *addr = INTEL_RESET; - } - } - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - ulong start; - int rc = 0; - int flag; - vu_long *addr = (vu_long *)dest; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - return (2); - } - - *addr = INTEL_CLEAR; /* Clear status register */ - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* Write Command */ - *addr = INTEL_PROGRAM; - - /* Write Data */ - *addr = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { - printf("Write timed out\n"); - rc = 1; - break; - } - } - if (*addr != INTEL_OK) { - printf ("Write failed at %08X, CSR=%08X\n", (uint)addr, (uint)*addr); - rc = 1; - } - - *addr = INTEL_RESET; /* Reset to read array mode */ - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - wp = (addr & ~3); /* get lower word aligned address */ - - *(vu_long *)wp = INTEL_RESET; /* Reset to read array mode */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - rc = write_word(info, wp, data); - - return rc; -} - -/*----------------------------------------------------------------------- - * Set/Clear sector's lock bit, returns: - * 0 - OK - * 1 - Error (timeout, voltage problems, etc.) - */ -int flash_real_protect(flash_info_t *info, long sector, int prot) -{ - ulong start; - int i; - int rc = 0; - vu_long *addr = (vu_long *)(info->start[sector]); - int flag = disable_interrupts(); - - *addr = INTEL_CLEAR; /* Clear status register */ - if (prot) { /* Set sector lock bit */ - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - } - else { /* Clear sector lock bit */ - *addr = INTEL_LOCKBIT; /* All sectors lock bits */ - *addr = INTEL_CONFIRM; /* clear */ - } - - start = get_timer(0); - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { - if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) { - printf("Flash lock bit operation timed out\n"); - rc = 1; - break; - } - } - - if (*addr != INTEL_OK) { - printf("Flash lock bit operation failed at %08X, CSR=%08X\n", - (uint)addr, (uint)*addr); - rc = 1; - } - - if (!rc) - info->protect[sector] = prot; - - /* - * Clear lock bit command clears all sectors lock bits, so - * we have to restore lock bits of protected sectors. - */ - if (!prot) - for (i = 0; i < info->sector_count; i++) - if (info->protect[i]) { - addr = (vu_long *)(info->start[i]); - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - udelay(CFG_FLASH_LOCK_TOUT * 1000); - } - - if (flag) - enable_interrupts(); - - *addr = INTEL_RESET; /* Reset to read array mode */ - - return rc; -} diff --git a/board/mpc8260ads/mpc8260ads.c b/board/mpc8260ads/mpc8260ads.c deleted file mode 100644 index 93550e2..0000000 --- a/board/mpc8260ads/mpc8260ads.c +++ /dev/null @@ -1,546 +0,0 @@ -/* - * (C) Copyright 2001-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Modified during 2001 by - * Advanced Communications Technologies (Australia) Pty. Ltd. - * Howard Walker, Tuong Vu-Dinh - * - * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com - * Added support for the 16M dram simm on the 8260ads boards - * - * (C) Copyright 2003-2004 Arabella Software Ltd. - * Yuli Barcohen - * Added support for SDRAM DIMMs SPD EEPROM, MII, Ethernet PHY init. - * - * Copyright (c) 2005 MontaVista Software, Inc. - * Vitaly Bordug - * Added support for PCI. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#ifdef CONFIG_PCI -#include -#endif - -/* - * I/O Port configuration table - * - * if conf is 1, then that port pin will be configured at boot time - * according to the five values podr/pdir/ppar/psor/pdat for that entry - */ - -#define CFG_FCC1 (CONFIG_ETHER_INDEX == 1) -#define CFG_FCC2 (CONFIG_ETHER_INDEX == 2) -#define CFG_FCC3 (CONFIG_ETHER_INDEX == 3) - -const iop_conf_t iop_conf_tab[4][32] = { - - /* Port A configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PA31 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */ - /* PA30 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */ - /* PA29 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */ - /* PA28 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */ - /* PA27 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */ - /* PA26 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */ - /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */ - /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */ - /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ - /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ - /* PA21 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */ - /* PA20 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */ - /* PA19 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */ - /* PA18 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */ - /* PA17 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */ - /* PA16 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */ - /* PA15 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */ - /* PA14 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */ - /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ - /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */ - /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ - /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */ - /* PA9 */ { 0, 0, 0, 0, 0, 0 }, /* PA9 */ - /* PA8 */ { 0, 0, 0, 0, 0, 0 }, /* PA8 */ - /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ - /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ - /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ - /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ - /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ - /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ - /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ - /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ - }, - - /* Port B configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ - /* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ - /* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ - /* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ - /* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ - /* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ - /* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ - /* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ - /* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ - /* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ - /* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ - /* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ - /* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ - /* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ - /* PB17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ - /* PB16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ - /* PB15 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ - /* PB14 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ - /* PB13 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */ - /* PB12 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ - /* PB11 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB10 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB9 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB8 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB7 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB6 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB5 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB4 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ - }, - - /* Port C */ - { /* conf ppar psor pdir podr pdat */ - /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ - /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ - /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ - /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ - /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ - /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ - /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ - /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ - /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ - /* PC22 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Tx Clock (CLK10) */ - /* PC21 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII Rx Clock (CLK11) */ - /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ -#if CONFIG_ADSTYPE == CFG_8272ADS - /* PC19 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ - /* PC18 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ - /* PC17 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK15) */ - /* PC16 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK16) */ -#else - /* PC19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK13) */ - /* PC18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK14) */ - /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */ - /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */ -#endif /* CONFIG_ADSTYPE == CFG_8272ADS */ - /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ - /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ - /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */ - /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */ - /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ -#if CONFIG_ADSTYPE == CFG_8272ADS - /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ - /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */ -#else - /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */ - /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */ -#endif /* CONFIG_ADSTYPE == CFG_8272ADS */ - /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */ - /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ - /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ - /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ - /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ - /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ - /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ - /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ - /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ - }, - - /* Port D */ - { /* conf ppar psor pdir podr pdat */ - /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */ - /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */ - /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */ - /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ - /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ - /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ - /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ - /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ - /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ - /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ - /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ - /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ - /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ - /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ - /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ - /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ - /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ - /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ - /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ - /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ - /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ - /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ - /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ - /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ - /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ - /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ - /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ - /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ - /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ - } -}; - -void reset_phy (void) -{ - vu_long *bcsr = (vu_long *)CFG_BCSR; - - /* Reset the PHY */ -#if CFG_PHY_ADDR == 0 - bcsr[1] &= ~(FETHIEN1 | FETH1_RST); - udelay(2); - bcsr[1] |= FETH1_RST; -#else - bcsr[3] &= ~(FETHIEN2 | FETH2_RST); - udelay(2); - bcsr[3] |= FETH2_RST; -#endif /* CFG_PHY_ADDR == 0 */ - udelay(1000); -#ifdef CONFIG_MII -#if CONFIG_ADSTYPE >= CFG_PQ2FADS - /* - * Do not bypass Rx/Tx (de)scrambler (fix configuration error) - * Enable autonegotiation. - */ - bb_miiphy_write(NULL, CFG_PHY_ADDR, 16, 0x610); - bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_BMCR, - PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); -#else - /* - * Ethernet PHY is configured (by means of configuration pins) - * to work at 10Mb/s only. We reconfigure it using MII - * to advertise all capabilities, including 100Mb/s, and - * restart autonegotiation. - */ - - /* Advertise all capabilities */ - bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_ANAR, 0x01E1); - - /* Do not bypass Rx/Tx (de)scrambler */ - bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_DCR, 0x0000); - - bb_miiphy_write(NULL, CFG_PHY_ADDR, PHY_BMCR, - PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); -#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ -#endif /* CONFIG_MII */ -} - -#ifdef CONFIG_PCI -typedef struct pci_ic_s { - unsigned long pci_int_stat; - unsigned long pci_int_mask; -}pci_ic_t; -#endif - -int board_early_init_f (void) -{ - vu_long *bcsr = (vu_long *)CFG_BCSR; - -#ifdef CONFIG_PCI - volatile pci_ic_t* pci_ic = (pci_ic_t *) CFG_PCI_INT; - - /* mask alll the PCI interrupts */ - pci_ic->pci_int_mask |= 0xfff00000; -#endif -#if (CONFIG_CONS_INDEX == 1) || (CONFIG_KGDB_INDEX == 1) - bcsr[1] &= ~RS232EN_1; -#endif -#if (CONFIG_CONS_INDEX > 1) || (CONFIG_KGDB_INDEX > 1) - bcsr[1] &= ~RS232EN_2; -#endif - -#if CONFIG_ADSTYPE != CFG_8260ADS /* PCI mode can be selected */ -#if CONFIG_ADSTYPE == CFG_PQ2FADS - if ((bcsr[3] & BCSR_PCI_MODE) == 0) /* PCI mode selected by JP9 */ -#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ - { - volatile immap_t *immap = (immap_t *) CFG_IMMR; - - immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN; - immap->im_siu_conf.sc_siumcr = - (immap->im_siu_conf.sc_siumcr & ~SIUMCR_LBPC11) - | SIUMCR_LBPC01; - } -#endif /* CONFIG_ADSTYPE != CFG_8260ADS */ - - return 0; -} - -#define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1) - -long int initdram (int board_type) -{ -#if CONFIG_ADSTYPE == CFG_PQ2FADS - long int msize = 32; -#elif CONFIG_ADSTYPE == CFG_8272ADS - long int msize = 64; -#else - long int msize = 16; -#endif - -#ifndef CFG_RAMBOOT - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile memctl8260_t *memctl = &immap->im_memctl; - volatile uchar *ramaddr, c = 0xff; - uint or; - uint psdmr; - uint psrt; - - int i; - - immap->im_siu_conf.sc_ppc_acr = 0x00000002; - immap->im_siu_conf.sc_ppc_alrh = 0x01267893; - immap->im_siu_conf.sc_tescr1 = 0x00004000; - - memctl->memc_mptpr = CFG_MPTPR; -#ifdef CFG_LSDRAM_BASE - /* - Initialise local bus SDRAM only if the pins - are configured as local bus pins and not as PCI. - The configuration is determined by the HRCW. - */ - if ((immap->im_siu_conf.sc_siumcr & SIUMCR_LBPC11) == SIUMCR_LBPC00) { - memctl->memc_lsrt = CFG_LSRT; -#if CONFIG_ADSTYPE == CFG_PQ2FADS /* CS3 */ - memctl->memc_or3 = 0xFF803280; - memctl->memc_br3 = CFG_LSDRAM_BASE | 0x00001861; -#else /* CS4 */ - memctl->memc_or4 = 0xFFC01480; - memctl->memc_br4 = CFG_LSDRAM_BASE | 0x00001861; -#endif /* CONFIG_ADSTYPE == CFG_PQ2FADS */ - memctl->memc_lsdmr = CFG_LSDMR | 0x28000000; - ramaddr = (uchar *) CFG_LSDRAM_BASE; - *ramaddr = c; - memctl->memc_lsdmr = CFG_LSDMR | 0x08000000; - for (i = 0; i < 8; i++) - *ramaddr = c; - memctl->memc_lsdmr = CFG_LSDMR | 0x18000000; - *ramaddr = c; - memctl->memc_lsdmr = CFG_LSDMR | 0x40000000; - } -#endif /* CFG_LSDRAM_BASE */ - - /* Init 60x bus SDRAM */ -#ifdef CONFIG_SPD_EEPROM - { - spd_eeprom_t spd; - uint pbi, bsel, rowst, lsb, tmp; - - i2c_read (CONFIG_SPD_ADDR, 0, 1, (uchar *) & spd, sizeof (spd)); - - /* Bank-based interleaving is not supported for physical bank - sizes greater than 128MB which is encoded as 0x20 in SPD - */ - pbi = (spd.row_dens > 32) ? 1 : CONFIG_SDRAM_PBI; - msize = spd.nrows * (4 * spd.row_dens); /* Mixed size not supported */ - or = ~(msize - 1) << 20; /* SDAM */ - switch (spd.nbanks) { /* BPD */ - case 2: - bsel = 1; - break; - case 4: - bsel = 2; - or |= 0x00002000; - break; - case 8: - bsel = 3; - or |= 0x00004000; - break; - } - lsb = 3; /* For 64-bit port, lsb is 3 bits */ - - if (pbi) { /* Bus partition depends on interleaving */ - rowst = 32 - (spd.nrow_addr + spd.ncol_addr + bsel + lsb); - or |= (rowst << 9); /* ROWST */ - } else { - rowst = 32 - (spd.nrow_addr + spd.ncol_addr + lsb); - or |= ((rowst * 2 - 12) << 9); /* ROWST */ - } - or |= ((spd.nrow_addr - 9) << 6); /* NUMR */ - - psdmr = (pbi << 31); /* PBI */ - /* Bus multiplexing parameters */ - tmp = 32 - (lsb + spd.nrow_addr); /* Tables 10-19 and 10-20 */ - psdmr |= ((tmp - (rowst - 5) - 13) << 24); /* SDAM */ - psdmr |= ((tmp - 3 - 12) << 21); /* BSMA */ - - tmp = (31 - lsb - 10) - tmp; - /* Pin connected to SDA10 is (31 - lsb - 10). - rowst is multiplexed over (32 - (lsb + spd.nrow_addr)), - so (rowst + tmp) alternates with AP. - */ - if (pbi) /* Table 10-7 */ - psdmr |= ((10 - (rowst + tmp)) << 18); /* SDA10 */ - else - psdmr |= ((12 - (rowst + tmp)) << 18); /* SDA10 */ - - /* SDRAM device-specific parameters */ - tmp = ns2clk (70); /* Refresh recovery is not in SPD, so assume 70ns */ - switch (tmp) { /* RFRC */ - case 1: - case 2: - psdmr |= (1 << 15); - break; - case 3: - case 4: - case 5: - case 6: - case 7: - case 8: - psdmr |= ((tmp - 2) << 15); - break; - default: - psdmr |= (7 << 15); - } - psdmr |= (ns2clk (spd.trp) % 8 << 12); /* PRETOACT */ - psdmr |= (ns2clk (spd.trcd) % 8 << 9); /* ACTTORW */ - /* BL=0 because for 64-bit SDRAM burst length must be 4 */ - /* LDOTOPRE ??? */ - for (i = 0, tmp = spd.write_lat; (i < 4) && ((tmp & 1) == 0); i++) - tmp >>= 1; - switch (i) { /* WRC */ - case 0: - case 1: - psdmr |= (1 << 4); - break; - case 2: - case 3: - psdmr |= (i << 4); - break; - } - /* EAMUX=0 - no external address multiplexing */ - /* BUFCMD=0 - no external buffers */ - for (i = 1, tmp = spd.cas_lat; (i < 3) && ((tmp & 1) == 0); i++) - tmp >>= 1; - psdmr |= i; /* CL */ - - switch (spd.refresh & 0x7F) { - case 1: - tmp = 3900; - break; - case 2: - tmp = 7800; - break; - case 3: - tmp = 31300; - break; - case 4: - tmp = 62500; - break; - case 5: - tmp = 125000; - break; - default: - tmp = 15625; - } - psrt = tmp / (1000000000 / CONFIG_8260_CLKIN * - ((memctl->memc_mptpr >> 8) + 1)) - 1; -#ifdef SPD_DEBUG - printf ("\nDIMM type: %-18.18s\n", spd.mpart); - printf ("SPD size: %d\n", spd.info_size); - printf ("EEPROM size: %d\n", 1 << spd.chip_size); - printf ("Memory type: %d\n", spd.mem_type); - printf ("Row addr: %d\n", spd.nrow_addr); - printf ("Column addr: %d\n", spd.ncol_addr); - printf ("# of rows: %d\n", spd.nrows); - printf ("Row density: %d\n", spd.row_dens); - printf ("# of banks: %d\n", spd.nbanks); - printf ("Data width: %d\n", - 256 * spd.dataw_msb + spd.dataw_lsb); - printf ("Chip width: %d\n", spd.primw); - printf ("Refresh rate: %02X\n", spd.refresh); - printf ("CAS latencies: %02X\n", spd.cas_lat); - printf ("Write latencies: %02X\n", spd.write_lat); - printf ("tRP: %d\n", spd.trp); - printf ("tRCD: %d\n", spd.trcd); - - printf ("OR=%X, PSDMR=%08X, PSRT=%0X\n", or, psdmr, psrt); -#endif /* SPD_DEBUG */ - } -#else /* !CONFIG_SPD_EEPROM */ - or = CFG_OR2; - psdmr = CFG_PSDMR; - psrt = CFG_PSRT; -#endif /* CONFIG_SPD_EEPROM */ - memctl->memc_psrt = psrt; - memctl->memc_or2 = or; - memctl->memc_br2 = CFG_SDRAM_BASE | 0x00000041; - ramaddr = (uchar *) CFG_SDRAM_BASE; - memctl->memc_psdmr = psdmr | 0x28000000; /* Precharge all banks */ - *ramaddr = c; - memctl->memc_psdmr = psdmr | 0x08000000; /* CBR refresh */ - for (i = 0; i < 8; i++) - *ramaddr = c; - - memctl->memc_psdmr = psdmr | 0x18000000; /* Mode Register write */ - *ramaddr = c; - memctl->memc_psdmr = psdmr | 0x40000000; /* Refresh enable */ - *ramaddr = c; -#endif /* CFG_RAMBOOT */ - - /* return total 60x bus SDRAM size */ - return (msize * 1024 * 1024); -} - -int checkboard (void) -{ -#if CONFIG_ADSTYPE == CFG_8260ADS - puts ("Board: Motorola MPC8260ADS\n"); -#elif CONFIG_ADSTYPE == CFG_8266ADS - puts ("Board: Motorola MPC8266ADS\n"); -#elif CONFIG_ADSTYPE == CFG_PQ2FADS - puts ("Board: Motorola PQ2FADS-ZU\n"); -#elif CONFIG_ADSTYPE == CFG_8272ADS - puts ("Board: Motorola MPC8272ADS\n"); -#else - puts ("Board: unknown\n"); -#endif - return 0; -} - -#ifdef CONFIG_PCI -struct pci_controller hose; - -extern void pci_mpc8250_init(struct pci_controller *); - -void pci_init_board(void) -{ - pci_mpc8250_init(&hose); -} -#endif -- cgit v1.1 From 449c703374a8868453425e15da7e2f76221b72e4 Mon Sep 17 00:00:00 2001 From: Jon Loeliger Date: Wed, 5 Mar 2008 17:21:43 -0600 Subject: FSL: Move board/mpc8266ads under board/freescale Signed-off-by: Jon Loeliger --- Makefile | 2 +- board/freescale/mpc8266ads/Makefile | 50 +++ board/freescale/mpc8266ads/config.mk | 32 ++ board/freescale/mpc8266ads/flash.c | 509 +++++++++++++++++++++++++++ board/freescale/mpc8266ads/mpc8266ads.c | 586 ++++++++++++++++++++++++++++++++ board/mpc8266ads/Makefile | 50 --- board/mpc8266ads/config.mk | 32 -- board/mpc8266ads/flash.c | 509 --------------------------- board/mpc8266ads/mpc8266ads.c | 586 -------------------------------- 9 files changed, 1178 insertions(+), 1178 deletions(-) create mode 100644 board/freescale/mpc8266ads/Makefile create mode 100644 board/freescale/mpc8266ads/config.mk create mode 100644 board/freescale/mpc8266ads/flash.c create mode 100644 board/freescale/mpc8266ads/mpc8266ads.c delete mode 100644 board/mpc8266ads/Makefile delete mode 100644 board/mpc8266ads/config.mk delete mode 100644 board/mpc8266ads/flash.c delete mode 100644 board/mpc8266ads/mpc8266ads.c diff --git a/Makefile b/Makefile index 11293e1..4b13c3b 100644 --- a/Makefile +++ b/Makefile @@ -1624,7 +1624,7 @@ PQ2FADS-ZU_66MHz_lowboot_config \ @$(MKCONFIG) -a MPC8260ADS ppc mpc8260 mpc8260ads freescale MPC8266ADS_config: unconfig - @$(MKCONFIG) $(@:_config=) ppc mpc8260 mpc8266ads + @$(MKCONFIG) $(@:_config=) ppc mpc8260 mpc8266ads freescale # PM825/PM826 default configuration: small (= 8 MB) Flash / boot from 64-bit flash PM825_config \ diff --git a/board/freescale/mpc8266ads/Makefile b/board/freescale/mpc8266ads/Makefile new file mode 100644 index 0000000..291a1c9 --- /dev/null +++ b/board/freescale/mpc8266ads/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS := $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mpc8266ads/config.mk b/board/freescale/mpc8266ads/config.mk new file mode 100644 index 0000000..ecc2a7d --- /dev/null +++ b/board/freescale/mpc8266ads/config.mk @@ -0,0 +1,32 @@ +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Modified by, Stuart Hughes, Lineo Inc, stuarth@lineo.com +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# mpc8260ads board +# + +TEXT_BASE = 0xfe000000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/freescale/mpc8266ads/flash.c b/board/freescale/mpc8266ads/flash.c new file mode 100644 index 0000000..9512c72 --- /dev/null +++ b/board/freescale/mpc8266ads/flash.c @@ -0,0 +1,509 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com + * Add support the Sharp chips on the mpc8260ads. + * I started with board/ip860/flash.c and made changes I found in + * the MTD project by David Schleef. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +#if defined(CFG_ENV_IS_IN_FLASH) +# ifndef CFG_ENV_ADDR +# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) +# endif +# ifndef CFG_ENV_SIZE +# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE +# endif +# ifndef CFG_ENV_SECT_SIZE +# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE +# endif +#endif + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info); +static int write_word (flash_info_t *info, ulong dest, ulong data); +static int clear_block_lock_bit(vu_long * addr); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ +#ifndef CONFIG_MPC8266ADS + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + volatile ip860_bcsr_t *bcsr = (ip860_bcsr_t *)BCSR_BASE; +#endif + unsigned long size; + int i; + + /* Init: enable write, + * or we cannot even write flash commands + */ +#ifndef CONFIG_MPC8266ADS + bcsr->bd_ctrl |= BD_CTRL_FLWE; +#endif + + + for (i=0; imemc_or1 = CFG_OR_TIMING_FLASH | (-size & 0xFFFF8000); + memctl->memc_br1 = (CFG_FLASH_BASE & BR_BA_MSK) | + (memctl->memc_br1 & ~(BR_BA_MSK)); +#endif + /* Re-do sizing to get full correct info */ + size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); + + flash_info[0].size = size; + +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE+monitor_flash_len-1, + &flash_info[0]); +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1, + &flash_info[0]); +#endif + return (size); +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: printf ("Intel "); break; + case FLASH_MAN_SHARP: printf ("Sharp "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n"); + break; + case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n"); + break; + case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n"); + break; + case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i=0; isector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " " + ); + } + printf ("\n"); +} + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ + +static ulong flash_get_size (vu_long *addr, flash_info_t *info) +{ + short i; + ulong value; + ulong base = (ulong)addr; + ulong sector_offset; + + /* Write "Intelligent Identifier" command: read Manufacturer ID */ + *addr = 0x90909090; + + value = addr[0] & 0x00FF00FF; + switch (value) { + case MT_MANUFACT: /* SHARP, MT or => Intel */ + case INTEL_ALT_MANU: + info->flash_id = FLASH_MAN_INTEL; + break; + default: + printf("unknown manufacturer: %x\n", (unsigned int)value); + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr[1]; /* device ID */ + + switch (value) { + case (INTEL_ID_28F016S): + info->flash_id += FLASH_28F016SV; + info->sector_count = 32; + info->size = 0x00400000; + sector_offset = 0x20000; + break; /* => 2x2 MB */ + + case (INTEL_ID_28F160S3): + info->flash_id += FLASH_28F160S3; + info->sector_count = 32; + info->size = 0x00400000; + sector_offset = 0x20000; + break; /* => 2x2 MB */ + + case (INTEL_ID_28F320S3): + info->flash_id += FLASH_28F320S3; + info->sector_count = 64; + info->size = 0x00800000; + sector_offset = 0x20000; + break; /* => 2x4 MB */ + + case SHARP_ID_28F016SCL: + case SHARP_ID_28F016SCZ: + info->flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT; + info->sector_count = 32; + info->size = 0x00800000; + sector_offset = 0x40000; + break; /* => 4x2 MB */ + + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base; + base += sector_offset; + /* don't know how to check sector protection */ + info->protect[i] = 0; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr = (vu_long *)info->start[0]; + + *addr = 0xFFFFFF; /* reset bank to read array mode */ + } + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong start, now, last; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + if ( ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) + && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) { + printf ("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + /* Make Sure Block Lock Bit is not set. */ + if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){ + return 1; + } + + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + vu_long *addr = (vu_long *)(info->start[sect]); + + last = start = get_timer (0); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Reset Array */ + *addr = 0xffffffff; + /* Clear Status Register */ + *addr = 0x50505050; + /* Single Block Erase Command */ + *addr = 0x20202020; + /* Confirm */ + *addr = 0xD0D0D0D0; + + if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) { + /* Resume Command, as per errata update */ + *addr = 0xD0D0D0D0; + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + while ((*addr & 0x80808080) != 0x80808080) { + if(*addr & 0x20202020){ + printf("Error in Block Erase - Lock Bit may be set!\n"); + printf("Status Register = 0x%X\n", (uint)*addr); + *addr = 0xFFFFFFFF; /* reset bank */ + return 1; + } + if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = 0xFFFFFFFF; /* reset bank */ + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + + /* reset to read mode */ + *addr = 0xFFFFFFFF; + } + } + + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i=0; i<4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + return (write_word(info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word (flash_info_t *info, ulong dest, ulong data) +{ + vu_long *addr = (vu_long *)dest; + ulong start, csr; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Write Command */ + *addr = 0x10101010; + + /* Write Data */ + *addr = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + flag = 0; + while (((csr = *addr) & 0x80808080) != 0x80808080) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + flag = 1; + break; + } + } + if (csr & 0x40404040) { + printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr); + flag = 1; + } + + /* Clear Status Registers Command */ + *addr = 0x50505050; + /* Reset to read array mode */ + *addr = 0xFFFFFFFF; + + return (flag); +} + +/*----------------------------------------------------------------------- + * Clear Block Lock Bit, returns: + * 0 - OK + * 1 - Timeout + */ + +static int clear_block_lock_bit(vu_long * addr) +{ + ulong start, now; + + /* Reset Array */ + *addr = 0xffffffff; + /* Clear Status Register */ + *addr = 0x50505050; + + *addr = 0x60606060; + *addr = 0xd0d0d0d0; + + start = get_timer (0); + while(*addr != 0x80808080){ + if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout on clearing Block Lock Bit\n"); + *addr = 0xFFFFFFFF; /* reset bank */ + return 1; + } + } + return 0; +} diff --git a/board/freescale/mpc8266ads/mpc8266ads.c b/board/freescale/mpc8266ads/mpc8266ads.c new file mode 100644 index 0000000..8f7273c --- /dev/null +++ b/board/freescale/mpc8266ads/mpc8266ads.c @@ -0,0 +1,586 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified during 2001 by + * Advanced Communications Technologies (Australia) Pty. Ltd. + * Howard Walker, Tuong Vu-Dinh + * + * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com + * Added support for the 16M dram simm on the 8260ads boards + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include + +/* + * PBI Page Based Interleaving + * PSDMR_PBI page based interleaving + * 0 bank based interleaving + * External Address Multiplexing (EAMUX) adds a clock to address cycles + * (this can help with marginal board layouts) + * PSDMR_EAMUX adds a clock + * 0 no extra clock + * Buffer Command (BUFCMD) adds a clock to command cycles. + * PSDMR_BUFCMD adds a clock + * 0 no extra clock + */ +#define CONFIG_PBI 0 +#define PESSIMISTIC_SDRAM 0 +#define EAMUX 0 /* EST requires EAMUX */ +#define BUFCMD 0 + + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + */ + +const iop_conf_t iop_conf_tab[4][32] = { + + /* Port A configuration */ + { /* conf ppar psor pdir podr pdat */ + /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ + /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ + /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ + /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ + /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ + /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ + /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ + /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ + /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ + /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ + /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ + /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ + /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ + /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ + /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ + /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ + /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ + /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ + /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ + /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ + /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ + /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ + /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ + /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ + /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ + /* PA6 */ { 1, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ + /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ + /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ + /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ + /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ + /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */ + /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ + }, + + /* Port B configuration */ + { /* conf ppar psor pdir podr pdat */ + /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ + /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ + /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ + /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ + /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ + /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ + /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ + /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ + /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ + /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ + /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ + /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ + /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ + /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ + /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ + /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ + /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ + /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ + /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */ + /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ + /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ + }, + + /* Port C */ + { /* conf ppar psor pdir podr pdat */ + /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ + /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ + /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ + /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ + /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ + /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ + /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ + /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ + /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ + /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ + /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ + /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ + /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ + /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ + /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ + /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ + /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ + /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ + /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ + /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ + /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ + /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* LXT970 FETHMDC */ + /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* LXT970 FETHMDIO */ + /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ + /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ + /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ + /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ + /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ + /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ + /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ + /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ + /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ + }, + + /* Port D */ + { /* conf ppar psor pdir podr pdat */ + /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ + /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ + /* PD29 */ { 0, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ + /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ + /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ + /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ + /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ + /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ + /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ + /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ + /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ + /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ + /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ + /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ + /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ + /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ + /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ + /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ + /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ + /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ + /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ + /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ + /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ + /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ + /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ + /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ + /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ + /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ + /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ + /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ + } +}; + +typedef struct bscr_ { + unsigned long bcsr0; + unsigned long bcsr1; + unsigned long bcsr2; + unsigned long bcsr3; + unsigned long bcsr4; + unsigned long bcsr5; + unsigned long bcsr6; + unsigned long bcsr7; +} bcsr_t; + +typedef struct pci_ic_s { + unsigned long pci_int_stat; + unsigned long pci_int_mask; +} pci_ic_t; + +void reset_phy(void) +{ + volatile bcsr_t *bcsr = (bcsr_t *)CFG_BCSR; + + /* reset the FEC port */ + bcsr->bcsr1 &= ~FETH_RST; + bcsr->bcsr1 |= FETH_RST; +} + + +int board_early_init_f (void) +{ + volatile bcsr_t *bcsr = (bcsr_t *)CFG_BCSR; + volatile pci_ic_t *pci_ic = (pci_ic_t *) CFG_PCI_INT; + + bcsr->bcsr1 = ~FETHIEN & ~RS232EN_1 & ~RS232EN_2; + + /* mask all PCI interrupts */ + pci_ic->pci_int_mask |= 0xfff00000; + + return 0; +} + +int checkboard(void) +{ + puts ("Board: Motorola MPC8266ADS\n"); + return 0; +} + +long int initdram(int board_type) +{ + /* Autoinit part stolen from board/sacsng/sacsng.c */ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8260_t *memctl = &immap->im_memctl; + volatile uchar c = 0xff; + volatile uchar *ramaddr = (uchar *)(CFG_SDRAM_BASE + 0x8); + uint psdmr = CFG_PSDMR; + int i; + + uint psrt = 0x21; /* for no SPD */ + uint chipselects = 1; /* for no SPD */ + uint sdram_size = CFG_SDRAM_SIZE * 1024 * 1024; /* for no SPD */ + uint or = CFG_OR2_PRELIM; /* for no SPD */ + uint data_width; + uint rows; + uint banks; + uint cols; + uint caslatency; + uint width; + uint rowst; + uint sdam; + uint bsma; + uint sda10; + u_char spd_size; + u_char data; + u_char cksum; + int j; + + /* Keep the compiler from complaining about potentially uninitialized vars */ + data_width = rows = banks = cols = caslatency = 0; + + /* + * Read the SDRAM SPD EEPROM via I2C. + */ + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + + i2c_read(SDRAM_SPD_ADDR, 0, 1, &data, 1); + spd_size = data; + cksum = data; + for(j = 1; j < 64; j++) + { /* read only the checksummed bytes */ + /* note: the I2C address autoincrements when alen == 0 */ + i2c_read(SDRAM_SPD_ADDR, 0, 0, &data, 1); + /*printf("addr %d = 0x%02x\n", j, data);*/ + if(j == 5) chipselects = data & 0x0F; + else if(j == 6) data_width = data; + else if(j == 7) data_width |= data << 8; + else if(j == 3) rows = data & 0x0F; + else if(j == 4) cols = data & 0x0F; + else if(j == 12) + { + /* + * Refresh rate: this assumes the prescaler is set to + * approximately 0.39uSec per tick and the target refresh period + * is about 85% of maximum. + */ + switch(data & 0x7F) + { + default: + case 0: psrt = 0x21; /* 15.625uS */ break; + case 1: psrt = 0x07; /* 3.9uS */ break; + case 2: psrt = 0x0F; /* 7.8uS */ break; + case 3: psrt = 0x43; /* 31.3uS */ break; + case 4: psrt = 0x87; /* 62.5uS */ break; + case 5: psrt = 0xFF; /* 125uS */ break; + } + } + else if(j == 17) banks = data; + else if(j == 18) + { + caslatency = 3; /* default CL */ +# if(PESSIMISTIC_SDRAM) + if((data & 0x04) != 0) caslatency = 3; + else if((data & 0x02) != 0) caslatency = 2; + else if((data & 0x01) != 0) caslatency = 1; +# else + if((data & 0x01) != 0) caslatency = 1; + else if((data & 0x02) != 0) caslatency = 2; + else if((data & 0x04) != 0) caslatency = 3; +# endif + else + { + printf ("WARNING: Unknown CAS latency 0x%02X, using 3\n", + data); + } + } + else if(j == 63) + { + if(data != cksum) + { + printf ("WARNING: Configuration data checksum failure:" + " is 0x%02x, calculated 0x%02x\n", + data, cksum); + } + } + cksum += data; + } + + /* We don't trust CL less than 2 (only saw it on an old 16MByte DIMM) */ + if(caslatency < 2) { + printf("CL was %d, forcing to 2\n", caslatency); + caslatency = 2; + } + if(rows > 14) { + printf("This doesn't look good, rows = %d, should be <= 14\n", rows); + rows = 14; + } + if(cols > 11) { + printf("This doesn't look good, columns = %d, should be <= 11\n", cols); + cols = 11; + } + + if((data_width != 64) && (data_width != 72)) + { + printf("WARNING: SDRAM width unsupported, is %d, expected 64 or 72.\n", + data_width); + } + width = 3; /* 2^3 = 8 bytes = 64 bits wide */ + /* + * Convert banks into log2(banks) + */ + if (banks == 2) banks = 1; + else if(banks == 4) banks = 2; + else if(banks == 8) banks = 3; + + + sdram_size = 1 << (rows + cols + banks + width); + /* hack for high density memory (512MB per CS) */ + /* !!!!! Will ONLY work with Page Based Interleave !!!!! + ( PSDMR[PBI] = 1 ) + */ + /* mamory actually has 11 column addresses, but the memory controller + doesn't really care. + the calculations that follow will however move the rows so that + they are muxed one bit off if you use 11 bit columns. + The solution is to tell the memory controller the correct size of the memory + but change the number of columns to 10 afterwards. + The 11th column addre will still be mucxed correctly onto the bus. + + Also be aware that the MPC8266ADS board Rev B has not connected + Row addres 13 to anything. + + The fix is to connect ADD16 (from U37-47) to SADDR12 (U28-126) + */ + if (cols > 10) + cols = 10; + +#if(CONFIG_PBI == 0) /* bank-based interleaving */ + rowst = ((32 - 6) - (rows + cols + width)) * 2; +#else + rowst = 32 - (rows + banks + cols + width); +#endif + + or = ~(sdram_size - 1) | /* SDAM address mask */ + ((banks-1) << 13) | /* banks per device */ + (rowst << 9) | /* rowst */ + ((rows - 9) << 6); /* numr */ + + + /*printf("memctl->memc_or2 = 0x%08x\n", or);*/ + + /* + * SDAM specifies the number of columns that are multiplexed + * (reference AN2165/D), defined to be (columns - 6) for page + * interleave, (columns - 8) for bank interleave. + * + * BSMA is 14 - max(rows, cols). The bank select lines come + * into play above the highest "address" line going into the + * the SDRAM. + */ +#if(CONFIG_PBI == 0) /* bank-based interleaving */ + sdam = cols - 8; + bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); + sda10 = sdam + 2; +#else + sdam = cols + banks - 8; + bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); + sda10 = sdam; +#endif +#if(PESSIMISTIC_SDRAM) + psdmr = (CONFIG_PBI |\ + PSDMR_RFEN |\ + PSDMR_RFRC_16_CLK |\ + PSDMR_PRETOACT_8W |\ + PSDMR_ACTTORW_8W |\ + PSDMR_WRC_4C |\ + PSDMR_EAMUX |\ + PSDMR_BUFCMD) |\ + caslatency |\ + ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ \ + (sdam << 24) |\ + (bsma << 21) |\ + (sda10 << 18); +#else + psdmr = (CONFIG_PBI |\ + PSDMR_RFEN |\ + PSDMR_RFRC_7_CLK |\ + PSDMR_PRETOACT_3W | /* 1 for 7E parts (fast PC-133) */ \ + PSDMR_ACTTORW_2W | /* 1 for 7E parts (fast PC-133) */ \ + PSDMR_WRC_1C | /* 1 clock + 7nSec */ + EAMUX |\ + BUFCMD) |\ + caslatency |\ + ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ \ + (sdam << 24) |\ + (bsma << 21) |\ + (sda10 << 18); +#endif + /*printf("psdmr = 0x%08x\n", psdmr);*/ + + /* + * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): + * + * "At system reset, initialization software must set up the + * programmable parameters in the memory controller banks registers + * (ORx, BRx, P/LSDMR). After all memory parameters are configured, + * system software should execute the following initialization sequence + * for each SDRAM device. + * + * 1. Issue a PRECHARGE-ALL-BANKS command + * 2. Issue eight CBR REFRESH commands + * 3. Issue a MODE-SET command to initialize the mode register + * + * Quote from Micron MT48LC8M16A2 data sheet: + * + * "...the SDRAM requires a 100uS delay prior to issuing any + * command other than a COMMAND INHIBIT or NOP. Starting at some + * point during this 100uS period and continuing at least through + * the end of this period, COMMAND INHIBIT or NOP commands should + * be applied." + * + * "Once the 100uS delay has been satisfied with at least one COMMAND + * INHIBIT or NOP command having been applied, a /PRECHARGE command/ + * should be applied. All banks must then be precharged, thereby + * placing the device in the all banks idle state." + * + * "Once in the idle state, /two/ AUTO REFRESH cycles must be + * performed. After the AUTO REFRESH cycles are complete, the + * SDRAM is ready for mode register programming." + * + * (/emphasis/ mine, gvb) + * + * The way I interpret this, Micron start up sequence is: + * 1. Issue a PRECHARGE-BANK command (initial precharge) + * 2. Issue a PRECHARGE-ALL-BANKS command ("all banks ... precharged") + * 3. Issue two (presumably, doing eight is OK) CBR REFRESH commands + * 4. Issue a MODE-SET command to initialize the mode register + * + * -------- + * + * The initial commands are executed by setting P/LSDMR[OP] and + * accessing the SDRAM with a single-byte transaction." + * + * The appropriate BRx/ORx registers have already been set when we + * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. + */ + + memctl->memc_mptpr = CFG_MPTPR; + memctl->memc_psrt = psrt; + + memctl->memc_br2 = CFG_BR2_PRELIM; + memctl->memc_or2 = or; + + memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; + for (i = 0; i < 8; i++) + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; + *ramaddr = c; + + /* + * Do it a second time for the second set of chips if the DIMM has + * two chip selects (double sided). + */ + if(chipselects > 1) + { + ramaddr += sdram_size; + + memctl->memc_br3 = CFG_BR3_PRELIM + sdram_size; + memctl->memc_or3 = or; + + memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; + for (i = 0; i < 8; i++) + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; + *ramaddr = c; + + memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; + *ramaddr = c; + } + + /* print info */ + printf("SDRAM configuration read from SPD\n"); + printf("\tSize per side = %dMB\n", sdram_size >> 20); + printf("\tOrganization: %d sides, %d banks, %d Columns, %d Rows, Data width = %d bits\n", chipselects, 1<<(banks), cols, rows, data_width); + printf("\tRefresh rate = %d, CAS latency = %d", psrt, caslatency); +#if(CONFIG_PBI == 0) /* bank-based interleaving */ + printf(", Using Bank Based Interleave\n"); +#else + printf(", Using Page Based Interleave\n"); +#endif + printf("\tTotal size: "); + + /* this delay only needed for original 16MB DIMM... + * Not needed for any other memory configuration */ + if ((sdram_size * chipselects) == (16 *1024 *1024)) + udelay (250000); + return (sdram_size * chipselects); + /*return (16 * 1024 * 1024);*/ +} + + +#ifdef CONFIG_PCI +struct pci_controller hose; + +extern void pci_mpc8250_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc8250_init(&hose); +} +#endif diff --git a/board/mpc8266ads/Makefile b/board/mpc8266ads/Makefile deleted file mode 100644 index 291a1c9..0000000 --- a/board/mpc8266ads/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (C) Copyright 2001-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS := $(BOARD).o flash.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak .depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/mpc8266ads/config.mk b/board/mpc8266ads/config.mk deleted file mode 100644 index ecc2a7d..0000000 --- a/board/mpc8266ads/config.mk +++ /dev/null @@ -1,32 +0,0 @@ -# -# (C) Copyright 2001 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# Modified by, Stuart Hughes, Lineo Inc, stuarth@lineo.com -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -# -# mpc8260ads board -# - -TEXT_BASE = 0xfe000000 - -PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/mpc8266ads/flash.c b/board/mpc8266ads/flash.c deleted file mode 100644 index 9512c72..0000000 --- a/board/mpc8266ads/flash.c +++ /dev/null @@ -1,509 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com - * Add support the Sharp chips on the mpc8260ads. - * I started with board/ip860/flash.c and made changes I found in - * the MTD project by David Schleef. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include - - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#if defined(CFG_ENV_IS_IN_FLASH) -# ifndef CFG_ENV_ADDR -# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) -# endif -# ifndef CFG_ENV_SIZE -# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE -# endif -# ifndef CFG_ENV_SECT_SIZE -# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE -# endif -#endif - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (vu_long *addr, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); -static int clear_block_lock_bit(vu_long * addr); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ -#ifndef CONFIG_MPC8266ADS - volatile immap_t *immap = (immap_t *)CFG_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - volatile ip860_bcsr_t *bcsr = (ip860_bcsr_t *)BCSR_BASE; -#endif - unsigned long size; - int i; - - /* Init: enable write, - * or we cannot even write flash commands - */ -#ifndef CONFIG_MPC8266ADS - bcsr->bd_ctrl |= BD_CTRL_FLWE; -#endif - - - for (i=0; imemc_or1 = CFG_OR_TIMING_FLASH | (-size & 0xFFFF8000); - memctl->memc_br1 = (CFG_FLASH_BASE & BR_BA_MSK) | - (memctl->memc_br1 & ~(BR_BA_MSK)); -#endif - /* Re-do sizing to get full correct info */ - size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); - - flash_info[0].size = size; - -#if CFG_MONITOR_BASE >= CFG_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CFG_MONITOR_BASE, - CFG_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#ifdef CFG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CFG_ENV_ADDR, - CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1, - &flash_info[0]); -#endif - return (size); -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: printf ("Intel "); break; - case FLASH_MAN_SHARP: printf ("Sharp "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n"); - break; - case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n"); - break; - case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n"); - break; - case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n"); - break; - default: printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; isector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_long *addr, flash_info_t *info) -{ - short i; - ulong value; - ulong base = (ulong)addr; - ulong sector_offset; - - /* Write "Intelligent Identifier" command: read Manufacturer ID */ - *addr = 0x90909090; - - value = addr[0] & 0x00FF00FF; - switch (value) { - case MT_MANUFACT: /* SHARP, MT or => Intel */ - case INTEL_ALT_MANU: - info->flash_id = FLASH_MAN_INTEL; - break; - default: - printf("unknown manufacturer: %x\n", (unsigned int)value); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - - value = addr[1]; /* device ID */ - - switch (value) { - case (INTEL_ID_28F016S): - info->flash_id += FLASH_28F016SV; - info->sector_count = 32; - info->size = 0x00400000; - sector_offset = 0x20000; - break; /* => 2x2 MB */ - - case (INTEL_ID_28F160S3): - info->flash_id += FLASH_28F160S3; - info->sector_count = 32; - info->size = 0x00400000; - sector_offset = 0x20000; - break; /* => 2x2 MB */ - - case (INTEL_ID_28F320S3): - info->flash_id += FLASH_28F320S3; - info->sector_count = 64; - info->size = 0x00800000; - sector_offset = 0x20000; - break; /* => 2x4 MB */ - - case SHARP_ID_28F016SCL: - case SHARP_ID_28F016SCZ: - info->flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT; - info->sector_count = 32; - info->size = 0x00800000; - sector_offset = 0x40000; - break; /* => 4x2 MB */ - - - default: - info->flash_id = FLASH_UNKNOWN; - return (0); /* => no or unknown flash */ - - } - - /* set up sector start address table */ - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base; - base += sector_offset; - /* don't know how to check sector protection */ - info->protect[i] = 0; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) { - addr = (vu_long *)info->start[0]; - - *addr = 0xFFFFFF; /* reset bank to read array mode */ - } - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong start, now, last; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ( ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) - && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - /* Make Sure Block Lock Bit is not set. */ - if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){ - return 1; - } - - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_long *addr = (vu_long *)(info->start[sect]); - - last = start = get_timer (0); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* Reset Array */ - *addr = 0xffffffff; - /* Clear Status Register */ - *addr = 0x50505050; - /* Single Block Erase Command */ - *addr = 0x20202020; - /* Confirm */ - *addr = 0xD0D0D0D0; - - if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) { - /* Resume Command, as per errata update */ - *addr = 0xD0D0D0D0; - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - while ((*addr & 0x80808080) != 0x80808080) { - if(*addr & 0x20202020){ - printf("Error in Block Erase - Lock Bit may be set!\n"); - printf("Status Register = 0x%X\n", (uint)*addr); - *addr = 0xFFFFFFFF; /* reset bank */ - return 1; - } - if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0xFFFFFFFF; /* reset bank */ - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - - /* reset to read mode */ - *addr = 0xFFFFFFFF; - } - } - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - vu_long *addr = (vu_long *)dest; - ulong start, csr; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* Write Command */ - *addr = 0x10101010; - - /* Write Data */ - *addr = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - flag = 0; - while (((csr = *addr) & 0x80808080) != 0x80808080) { - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { - flag = 1; - break; - } - } - if (csr & 0x40404040) { - printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr); - flag = 1; - } - - /* Clear Status Registers Command */ - *addr = 0x50505050; - /* Reset to read array mode */ - *addr = 0xFFFFFFFF; - - return (flag); -} - -/*----------------------------------------------------------------------- - * Clear Block Lock Bit, returns: - * 0 - OK - * 1 - Timeout - */ - -static int clear_block_lock_bit(vu_long * addr) -{ - ulong start, now; - - /* Reset Array */ - *addr = 0xffffffff; - /* Clear Status Register */ - *addr = 0x50505050; - - *addr = 0x60606060; - *addr = 0xd0d0d0d0; - - start = get_timer (0); - while(*addr != 0x80808080){ - if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) { - printf ("Timeout on clearing Block Lock Bit\n"); - *addr = 0xFFFFFFFF; /* reset bank */ - return 1; - } - } - return 0; -} diff --git a/board/mpc8266ads/mpc8266ads.c b/board/mpc8266ads/mpc8266ads.c deleted file mode 100644 index 8f7273c..0000000 --- a/board/mpc8266ads/mpc8266ads.c +++ /dev/null @@ -1,586 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Modified during 2001 by - * Advanced Communications Technologies (Australia) Pty. Ltd. - * Howard Walker, Tuong Vu-Dinh - * - * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com - * Added support for the 16M dram simm on the 8260ads boards - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include - -/* - * PBI Page Based Interleaving - * PSDMR_PBI page based interleaving - * 0 bank based interleaving - * External Address Multiplexing (EAMUX) adds a clock to address cycles - * (this can help with marginal board layouts) - * PSDMR_EAMUX adds a clock - * 0 no extra clock - * Buffer Command (BUFCMD) adds a clock to command cycles. - * PSDMR_BUFCMD adds a clock - * 0 no extra clock - */ -#define CONFIG_PBI 0 -#define PESSIMISTIC_SDRAM 0 -#define EAMUX 0 /* EST requires EAMUX */ -#define BUFCMD 0 - - -/* - * I/O Port configuration table - * - * if conf is 1, then that port pin will be configured at boot time - * according to the five values podr/pdir/ppar/psor/pdat for that entry - */ - -const iop_conf_t iop_conf_tab[4][32] = { - - /* Port A configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */ - /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */ - /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */ - /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */ - /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */ - /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */ - /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ - /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ - /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ - /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ - /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ - /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ - /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ - /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ - /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */ - /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */ - /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */ - /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */ - /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */ - /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */ - /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */ - /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */ - /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */ - /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */ - /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */ - /* PA6 */ { 1, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */ - /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */ - /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */ - /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */ - /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */ - /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */ - /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */ - }, - - /* Port B configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ - /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ - /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ - /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ - /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ - /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ - /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ - /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ - /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ - /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ - /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ - /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ - /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ - /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ - /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ - /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ - /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ - /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ - /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */ - /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ - /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ - /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ - /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ - }, - - /* Port C */ - { /* conf ppar psor pdir podr pdat */ - /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */ - /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */ - /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ - /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */ - /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */ - /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */ - /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */ - /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */ - /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ - /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ - /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ - /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ - /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ - /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ - /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ - /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ - /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ - /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ - /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ - /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ - /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ - /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* LXT970 FETHMDC */ - /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* LXT970 FETHMDIO */ - /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ - /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ - /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ - /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */ - /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */ - /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */ - /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */ - /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */ - /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */ - }, - - /* Port D */ - { /* conf ppar psor pdir podr pdat */ - /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ - /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ - /* PD29 */ { 0, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ - /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ - /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ - /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */ - /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */ - /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */ - /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */ - /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */ - /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */ - /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */ - /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */ - /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ - /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ - /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ - /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ - /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ - /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ - /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ - /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ - /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ - /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ - /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ - /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ - /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ - /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ - /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */ - /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */ - /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */ - } -}; - -typedef struct bscr_ { - unsigned long bcsr0; - unsigned long bcsr1; - unsigned long bcsr2; - unsigned long bcsr3; - unsigned long bcsr4; - unsigned long bcsr5; - unsigned long bcsr6; - unsigned long bcsr7; -} bcsr_t; - -typedef struct pci_ic_s { - unsigned long pci_int_stat; - unsigned long pci_int_mask; -} pci_ic_t; - -void reset_phy(void) -{ - volatile bcsr_t *bcsr = (bcsr_t *)CFG_BCSR; - - /* reset the FEC port */ - bcsr->bcsr1 &= ~FETH_RST; - bcsr->bcsr1 |= FETH_RST; -} - - -int board_early_init_f (void) -{ - volatile bcsr_t *bcsr = (bcsr_t *)CFG_BCSR; - volatile pci_ic_t *pci_ic = (pci_ic_t *) CFG_PCI_INT; - - bcsr->bcsr1 = ~FETHIEN & ~RS232EN_1 & ~RS232EN_2; - - /* mask all PCI interrupts */ - pci_ic->pci_int_mask |= 0xfff00000; - - return 0; -} - -int checkboard(void) -{ - puts ("Board: Motorola MPC8266ADS\n"); - return 0; -} - -long int initdram(int board_type) -{ - /* Autoinit part stolen from board/sacsng/sacsng.c */ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - volatile memctl8260_t *memctl = &immap->im_memctl; - volatile uchar c = 0xff; - volatile uchar *ramaddr = (uchar *)(CFG_SDRAM_BASE + 0x8); - uint psdmr = CFG_PSDMR; - int i; - - uint psrt = 0x21; /* for no SPD */ - uint chipselects = 1; /* for no SPD */ - uint sdram_size = CFG_SDRAM_SIZE * 1024 * 1024; /* for no SPD */ - uint or = CFG_OR2_PRELIM; /* for no SPD */ - uint data_width; - uint rows; - uint banks; - uint cols; - uint caslatency; - uint width; - uint rowst; - uint sdam; - uint bsma; - uint sda10; - u_char spd_size; - u_char data; - u_char cksum; - int j; - - /* Keep the compiler from complaining about potentially uninitialized vars */ - data_width = rows = banks = cols = caslatency = 0; - - /* - * Read the SDRAM SPD EEPROM via I2C. - */ - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - - i2c_read(SDRAM_SPD_ADDR, 0, 1, &data, 1); - spd_size = data; - cksum = data; - for(j = 1; j < 64; j++) - { /* read only the checksummed bytes */ - /* note: the I2C address autoincrements when alen == 0 */ - i2c_read(SDRAM_SPD_ADDR, 0, 0, &data, 1); - /*printf("addr %d = 0x%02x\n", j, data);*/ - if(j == 5) chipselects = data & 0x0F; - else if(j == 6) data_width = data; - else if(j == 7) data_width |= data << 8; - else if(j == 3) rows = data & 0x0F; - else if(j == 4) cols = data & 0x0F; - else if(j == 12) - { - /* - * Refresh rate: this assumes the prescaler is set to - * approximately 0.39uSec per tick and the target refresh period - * is about 85% of maximum. - */ - switch(data & 0x7F) - { - default: - case 0: psrt = 0x21; /* 15.625uS */ break; - case 1: psrt = 0x07; /* 3.9uS */ break; - case 2: psrt = 0x0F; /* 7.8uS */ break; - case 3: psrt = 0x43; /* 31.3uS */ break; - case 4: psrt = 0x87; /* 62.5uS */ break; - case 5: psrt = 0xFF; /* 125uS */ break; - } - } - else if(j == 17) banks = data; - else if(j == 18) - { - caslatency = 3; /* default CL */ -# if(PESSIMISTIC_SDRAM) - if((data & 0x04) != 0) caslatency = 3; - else if((data & 0x02) != 0) caslatency = 2; - else if((data & 0x01) != 0) caslatency = 1; -# else - if((data & 0x01) != 0) caslatency = 1; - else if((data & 0x02) != 0) caslatency = 2; - else if((data & 0x04) != 0) caslatency = 3; -# endif - else - { - printf ("WARNING: Unknown CAS latency 0x%02X, using 3\n", - data); - } - } - else if(j == 63) - { - if(data != cksum) - { - printf ("WARNING: Configuration data checksum failure:" - " is 0x%02x, calculated 0x%02x\n", - data, cksum); - } - } - cksum += data; - } - - /* We don't trust CL less than 2 (only saw it on an old 16MByte DIMM) */ - if(caslatency < 2) { - printf("CL was %d, forcing to 2\n", caslatency); - caslatency = 2; - } - if(rows > 14) { - printf("This doesn't look good, rows = %d, should be <= 14\n", rows); - rows = 14; - } - if(cols > 11) { - printf("This doesn't look good, columns = %d, should be <= 11\n", cols); - cols = 11; - } - - if((data_width != 64) && (data_width != 72)) - { - printf("WARNING: SDRAM width unsupported, is %d, expected 64 or 72.\n", - data_width); - } - width = 3; /* 2^3 = 8 bytes = 64 bits wide */ - /* - * Convert banks into log2(banks) - */ - if (banks == 2) banks = 1; - else if(banks == 4) banks = 2; - else if(banks == 8) banks = 3; - - - sdram_size = 1 << (rows + cols + banks + width); - /* hack for high density memory (512MB per CS) */ - /* !!!!! Will ONLY work with Page Based Interleave !!!!! - ( PSDMR[PBI] = 1 ) - */ - /* mamory actually has 11 column addresses, but the memory controller - doesn't really care. - the calculations that follow will however move the rows so that - they are muxed one bit off if you use 11 bit columns. - The solution is to tell the memory controller the correct size of the memory - but change the number of columns to 10 afterwards. - The 11th column addre will still be mucxed correctly onto the bus. - - Also be aware that the MPC8266ADS board Rev B has not connected - Row addres 13 to anything. - - The fix is to connect ADD16 (from U37-47) to SADDR12 (U28-126) - */ - if (cols > 10) - cols = 10; - -#if(CONFIG_PBI == 0) /* bank-based interleaving */ - rowst = ((32 - 6) - (rows + cols + width)) * 2; -#else - rowst = 32 - (rows + banks + cols + width); -#endif - - or = ~(sdram_size - 1) | /* SDAM address mask */ - ((banks-1) << 13) | /* banks per device */ - (rowst << 9) | /* rowst */ - ((rows - 9) << 6); /* numr */ - - - /*printf("memctl->memc_or2 = 0x%08x\n", or);*/ - - /* - * SDAM specifies the number of columns that are multiplexed - * (reference AN2165/D), defined to be (columns - 6) for page - * interleave, (columns - 8) for bank interleave. - * - * BSMA is 14 - max(rows, cols). The bank select lines come - * into play above the highest "address" line going into the - * the SDRAM. - */ -#if(CONFIG_PBI == 0) /* bank-based interleaving */ - sdam = cols - 8; - bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); - sda10 = sdam + 2; -#else - sdam = cols + banks - 8; - bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); - sda10 = sdam; -#endif -#if(PESSIMISTIC_SDRAM) - psdmr = (CONFIG_PBI |\ - PSDMR_RFEN |\ - PSDMR_RFRC_16_CLK |\ - PSDMR_PRETOACT_8W |\ - PSDMR_ACTTORW_8W |\ - PSDMR_WRC_4C |\ - PSDMR_EAMUX |\ - PSDMR_BUFCMD) |\ - caslatency |\ - ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ \ - (sdam << 24) |\ - (bsma << 21) |\ - (sda10 << 18); -#else - psdmr = (CONFIG_PBI |\ - PSDMR_RFEN |\ - PSDMR_RFRC_7_CLK |\ - PSDMR_PRETOACT_3W | /* 1 for 7E parts (fast PC-133) */ \ - PSDMR_ACTTORW_2W | /* 1 for 7E parts (fast PC-133) */ \ - PSDMR_WRC_1C | /* 1 clock + 7nSec */ - EAMUX |\ - BUFCMD) |\ - caslatency |\ - ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ \ - (sdam << 24) |\ - (bsma << 21) |\ - (sda10 << 18); -#endif - /*printf("psdmr = 0x%08x\n", psdmr);*/ - - /* - * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): - * - * "At system reset, initialization software must set up the - * programmable parameters in the memory controller banks registers - * (ORx, BRx, P/LSDMR). After all memory parameters are configured, - * system software should execute the following initialization sequence - * for each SDRAM device. - * - * 1. Issue a PRECHARGE-ALL-BANKS command - * 2. Issue eight CBR REFRESH commands - * 3. Issue a MODE-SET command to initialize the mode register - * - * Quote from Micron MT48LC8M16A2 data sheet: - * - * "...the SDRAM requires a 100uS delay prior to issuing any - * command other than a COMMAND INHIBIT or NOP. Starting at some - * point during this 100uS period and continuing at least through - * the end of this period, COMMAND INHIBIT or NOP commands should - * be applied." - * - * "Once the 100uS delay has been satisfied with at least one COMMAND - * INHIBIT or NOP command having been applied, a /PRECHARGE command/ - * should be applied. All banks must then be precharged, thereby - * placing the device in the all banks idle state." - * - * "Once in the idle state, /two/ AUTO REFRESH cycles must be - * performed. After the AUTO REFRESH cycles are complete, the - * SDRAM is ready for mode register programming." - * - * (/emphasis/ mine, gvb) - * - * The way I interpret this, Micron start up sequence is: - * 1. Issue a PRECHARGE-BANK command (initial precharge) - * 2. Issue a PRECHARGE-ALL-BANKS command ("all banks ... precharged") - * 3. Issue two (presumably, doing eight is OK) CBR REFRESH commands - * 4. Issue a MODE-SET command to initialize the mode register - * - * -------- - * - * The initial commands are executed by setting P/LSDMR[OP] and - * accessing the SDRAM with a single-byte transaction." - * - * The appropriate BRx/ORx registers have already been set when we - * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. - */ - - memctl->memc_mptpr = CFG_MPTPR; - memctl->memc_psrt = psrt; - - memctl->memc_br2 = CFG_BR2_PRELIM; - memctl->memc_or2 = or; - - memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; - for (i = 0; i < 8; i++) - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; - *ramaddr = c; - - /* - * Do it a second time for the second set of chips if the DIMM has - * two chip selects (double sided). - */ - if(chipselects > 1) - { - ramaddr += sdram_size; - - memctl->memc_br3 = CFG_BR3_PRELIM + sdram_size; - memctl->memc_or3 = or; - - memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; - for (i = 0; i < 8; i++) - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; - *ramaddr = c; - } - - /* print info */ - printf("SDRAM configuration read from SPD\n"); - printf("\tSize per side = %dMB\n", sdram_size >> 20); - printf("\tOrganization: %d sides, %d banks, %d Columns, %d Rows, Data width = %d bits\n", chipselects, 1<<(banks), cols, rows, data_width); - printf("\tRefresh rate = %d, CAS latency = %d", psrt, caslatency); -#if(CONFIG_PBI == 0) /* bank-based interleaving */ - printf(", Using Bank Based Interleave\n"); -#else - printf(", Using Page Based Interleave\n"); -#endif - printf("\tTotal size: "); - - /* this delay only needed for original 16MB DIMM... - * Not needed for any other memory configuration */ - if ((sdram_size * chipselects) == (16 *1024 *1024)) - udelay (250000); - return (sdram_size * chipselects); - /*return (16 * 1024 * 1024);*/ -} - - -#ifdef CONFIG_PCI -struct pci_controller hose; - -extern void pci_mpc8250_init(struct pci_controller *); - -void pci_init_board(void) -{ - pci_mpc8250_init(&hose); -} -#endif -- cgit v1.1 From 3f105faa64b9826e088711fdfcaa70cb1230397a Mon Sep 17 00:00:00 2001 From: Jon Loeliger Date: Wed, 5 Mar 2008 17:27:48 -0600 Subject: FSL: Move board/mpc7448hpc2 under board/freescale Signed-off-by: Jon Loeliger --- Makefile | 2 +- board/freescale/mpc7448hpc2/Makefile | 52 ++ board/freescale/mpc7448hpc2/asm_init.S | 918 ++++++++++++++++++++++++++++++ board/freescale/mpc7448hpc2/config.mk | 28 + board/freescale/mpc7448hpc2/mpc7448hpc2.c | 107 ++++ board/freescale/mpc7448hpc2/tsi108_init.c | 665 ++++++++++++++++++++++ board/freescale/mpc7448hpc2/u-boot.lds | 136 +++++ board/mpc7448hpc2/Makefile | 52 -- board/mpc7448hpc2/asm_init.S | 918 ------------------------------ board/mpc7448hpc2/config.mk | 28 - board/mpc7448hpc2/mpc7448hpc2.c | 107 ---- board/mpc7448hpc2/tsi108_init.c | 665 ---------------------- board/mpc7448hpc2/u-boot.lds | 136 ----- 13 files changed, 1907 insertions(+), 1907 deletions(-) create mode 100644 board/freescale/mpc7448hpc2/Makefile create mode 100644 board/freescale/mpc7448hpc2/asm_init.S create mode 100644 board/freescale/mpc7448hpc2/config.mk create mode 100644 board/freescale/mpc7448hpc2/mpc7448hpc2.c create mode 100644 board/freescale/mpc7448hpc2/tsi108_init.c create mode 100644 board/freescale/mpc7448hpc2/u-boot.lds delete mode 100644 board/mpc7448hpc2/Makefile delete mode 100644 board/mpc7448hpc2/asm_init.S delete mode 100644 board/mpc7448hpc2/config.mk delete mode 100644 board/mpc7448hpc2/mpc7448hpc2.c delete mode 100644 board/mpc7448hpc2/tsi108_init.c delete mode 100644 board/mpc7448hpc2/u-boot.lds diff --git a/Makefile b/Makefile index 4b13c3b..065ce90 100644 --- a/Makefile +++ b/Makefile @@ -2243,7 +2243,7 @@ EVB64260_750CX_config: unconfig @$(MKCONFIG) EVB64260 ppc 74xx_7xx evb64260 mpc7448hpc2_config: unconfig - @$(MKCONFIG) $(@:_config=) ppc 74xx_7xx mpc7448hpc2 + @$(MKCONFIG) $(@:_config=) ppc 74xx_7xx mpc7448hpc2 freescale P3G4_config: unconfig @$(MKCONFIG) $(@:_config=) ppc 74xx_7xx evb64260 diff --git a/board/freescale/mpc7448hpc2/Makefile b/board/freescale/mpc7448hpc2/Makefile new file mode 100644 index 0000000..e3d757d --- /dev/null +++ b/board/freescale/mpc7448hpc2/Makefile @@ -0,0 +1,52 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS := $(BOARD).o tsi108_init.o +SOBJS := asm_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +.PHONY: distclean +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude ($obj).depend + +######################################################################### diff --git a/board/freescale/mpc7448hpc2/asm_init.S b/board/freescale/mpc7448hpc2/asm_init.S new file mode 100644 index 0000000..a7a40a1 --- /dev/null +++ b/board/freescale/mpc7448hpc2/asm_init.S @@ -0,0 +1,918 @@ +/* + * (C) Copyright 2004-05; Tundra Semiconductor Corp. + * + * Added automatic detect of SDC settings + * Copyright (c) 2005 Freescale Semiconductor, Inc. + * Maintainer tie-fei.zang@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * FILENAME: asm_init.s + * + * Originator: Alex Bounine + * + * DESCRIPTION: + * Initialization code for the Tundra Tsi108 bridge chip + * + */ + +#include +#include + +#include +#include +#include + +#include + +/* + * Build Configuration Options + */ + +/* #define DISABLE_PBM disables usage of PB Master */ +/* #define SDC_HARDCODED_INIT config SDRAM controller with hardcoded values */ +/* #define SDC_AUTOPRECH_EN enable SDRAM auto precharge */ + +/* + * Hardcoded SDC settings + */ + +#ifdef SDC_HARDCODED_INIT + +/* Micron MT9HTF6472AY-40EA1 : Unbuffered, 512MB, 400, CL3, Single Rank */ + +#define VAL_SD_REFRESH (0x61A) +#define VAL_SD_TIMING (0x0308336b) +#define VAL_SD_D0_CTRL (0x07100021) /* auto-precharge disabled */ +#define VAL_SD_D0_BAR (0x0FE00000) /* 512MB @ 0x00000000 */ +#define VAL_SD_D1_CTRL (0x07100021) /* auto-precharge disabled */ +#define VAL_SD_D1_BAR (0x0FE00200) /* 512MB @ 0x20000000 */ + +#endif /* SDC_HARDCODED_INIT */ + +/* + CPU Configuration: + + CPU Address and Data Parity enables. + +#define CPU_AP +#define CPU_DP +*/ + +/* + * Macros + * !!! Attention !!! Macros LOAD_PTR, LOAD_U32 and LOAD_MEM defined below are + * expected to work correctly for the CSR space within 32KB range. + * + * LOAD_PTR and LOAD_U32 - load specified register with a 32 bit constant. + * These macros are absolutely identical except their names. This difference + * is provided intentionally for better readable code. + */ + +#define LOAD_PTR(reg,const32) \ + addis reg,r0,const32@h; ori reg,reg,const32@l + +#define LOAD_U32(reg,const32) \ + addis reg,r0,const32@h; ori reg,reg,const32@l + +/* LOADMEM initializes a register with the contents of a specified 32-bit + * memory location, usually a CSR value. + */ + +#define LOAD_MEM(reg,addr32) \ + addis reg,r0,addr32@ha; lwz reg,addr32@l(reg) + +#ifndef SDC_HARDCODED_INIT +sdc_clk_sync: + /* MHz: 0,0,183,100,133,167,200,233 */ + .long 0, 0, 6, 10, 8, 6, 5, 4 /* nSec */ +#endif + +/* + * board_asm_init() - early initialization function. Coded to be portable to + * dual-CPU configuration. + * Checks CPU number and performs board HW initialization if called for CPU0. + * Registers used: r3,r4,r5,r6,r19,r29 + * + * NOTE: For dual-CPU configuration only CPU0 is allowed to configure Tsi108 + * and the rest of the board. Current implementation demonstrates two + * possible ways to identify CPU number: + * - for MPC74xx platform: uses MSSCR0[ID] bit as defined in UM. + * - for PPC750FX/GX boards: uses WHO_AM_I bit reported by Tsi108. + */ + + .globl board_asm_init +board_asm_init: + mflr r19 /* Save LR to be able return later. */ + bl icache_enable /* Enable icache to reduce reads from flash. */ + +/* Initialize pointer to Tsi108 register space */ + + LOAD_PTR(r29,CFG_TSI108_CSR_RST_BASE)/* r29 - pointer to tsi108 CSR space */ + ori r4,r29,TSI108_PB_REG_OFFSET + +/* Check Processor Version Number */ + + mfspr r3, PVR + rlwinm r3,r3,16,16,23 /* get ((Processor Version Number) & 0xFF00) */ + + cmpli 0,0,r3,0x8000 /* MPC74xx */ + bne cont_brd_init + + /* + * For MPC744x/5x enable extended BATs[4-7] + * Sri: Set HIGH_BAT_EN and XBSEN, and SPD =1 + * to disable prefetch + */ + + mfspr r5, HID0 + oris r5, r5, 0x0080 /* Set HID0[HIGH_BAT_EN] bit #8 */ + ori r5, r5, 0x0380 /* Set SPD,XBSEN,SGE bits #22,23,24 */ + mtspr HID0, r5 + isync + sync + + /* Adding code to disable external interventions in MPX bus mode */ + mfspr r3, 1014 + oris r3, r3, 0x0100 /* Set the EIDIS bit in MSSCR0: bit 7 */ + mtspr 1014, r3 + isync + sync + + /* Sri: code to enable FP unit */ + mfmsr r3 + ori r3, r3, 0x2000 + mtmsr r3 + isync + sync + + /* def CONFIG_DUAL_CPU + * For MPC74xx processor, use MSSCR0[ID] bit to identify CPU number. + */ +#if(1) + mfspr r3,1014 /* read MSSCR0 */ + rlwinm. r3,r3,27,31,31 /* get processor ID number */ + mtspr SPRN_PIR,r3 /* Save CPU ID */ + sync + bne init_done + b do_tsi108_init + +cont_brd_init: + + /* An alternative method of checking the processor number (in addition + * to configuration using MSSCR0[ID] bit on MPC74xx). + * Good for IBM PPC750FX/GX. + */ + + lwz r3,PB_BUS_MS_SELECT(r4) /* read PB_ID register */ + rlwinm. r3,r3,24,31,31 /* get processor ID number */ + bne init_done +#else + +cont_brd_init: + +#endif /* CONFIG_DUAL_CPU */ + + /* Initialize Tsi108 chip */ + +do_tsi108_init: + + /* + * Adjust HLP/Flash parameters. By default after reset the HLP port is + * set to support slow devices. Better performance can be achived when + * an optimal parameters are used for specific EPROM device. + * NOTE: This should be performed ASAP for the emulation platform + * because it has 5MHz HLP clocking. + */ + +#ifdef CONFIG_TSI108EMU + ori r4,r29,TSI108_HLP_REG_OFFSET + LOAD_U32(r5,0x434422c0) + stw r5,0x08(r4) /* set HLP B0_CTRL0 */ + sync + LOAD_U32(r5,0xd0012000) + stw r5,0x0c(r4) /* set HLP B0_CTRL1 */ + sync +#endif + + /* Initialize PB interface. */ + + ori r4,r29,TSI108_PB_REG_OFFSET + +#if (CFG_TSI108_CSR_BASE != CFG_TSI108_CSR_RST_BASE) + /* Relocate (if required) Tsi108 registers. Set new value for + * PB_REG_BAR: + * Note we are in the 32-bit address mode. + */ + LOAD_U32(r5,(CFG_TSI108_CSR_BASE | 0x01)) /* PB_REG_BAR: BA + EN */ + stw r5,PB_REG_BAR(r4) + andis. r29,r5,0xFFFF + sync + ori r4,r29,TSI108_PB_REG_OFFSET +#endif + + /* Set PB Slave configuration register */ + + LOAD_U32(r5,0x00002481) /* PB_SCR: TEA enabled,AACK delay = 1 */ + lwz r3, PB_RSR(r4) /* get PB bus mode */ + xori r3,r3,0x0001 /* mask PB_BMODE: r3 -> (0 = 60X, 1 = MPX) */ + rlwimi r5,r3,14,17,17 /* for MPX: set DTI_MODE bit */ + stw r5,PB_SCR(r4) + sync + + /* Configure PB Arbiter */ + + lwz r5,PB_ARB_CTRL(r4) /* Read PB Arbiter Control Register */ + li r3, 0x00F0 /* ARB_PIPELINE_DEP mask */ +#ifdef DISABLE_PBM + ori r3,r3,0x1000 /* add PBM_EN to clear (enabled by default) */ +#endif + andc r5,r5,r3 /* Clear the masked bit fields */ + ori r5,r5,0x0001 /* Set pipeline depth */ + stw r5,PB_ARB_CTRL(r4) + +#if (0) /* currently using the default settings for PBM after reset */ + LOAD_U32(r5,0x) /* value for PB_MCR */ + stw r5,PB_MCR(r4) + sync + + LOAD_U32(r5,0x) /* value for PB_MCMD */ + stw r5,PB_MCMD(r4) + sync +#endif + + /* Disable or enable PVT based on processor bus frequency + * 1. Read CG_PWRUP_STATUS register field bits 18,17,16 + * 2. See if the value is < or > 133mhz (18:16 = 100) + * 3. If > enable PVT + */ + + LOAD_U32(r3,0xC0002234) + lwz r3,0(r3) + rlwinm r3,r3,16,29,31 + + cmpi 0,0,r3,0x0004 + bgt sdc_init + +#ifndef CONFIG_TSI108EMU + /* FIXME: Disable PB calibration control for any real Tsi108 board */ + li r5,0x0101 /* disable calibration control */ + stw r5,PB_PVT_CTRL2(r4) + sync +#endif + + /* Initialize SDRAM controller. */ + +sdc_init: + +#ifndef SDC_HARDCODED_INIT + /* get SDC clock prior doing sdram controller autoconfig */ + ori r4,r29,TSI108_CLK_REG_OFFSET /* r4 - ptr to CG registers */ + lwz r3, CG_PWRUP_STATUS(r4) /* get CG configuration */ + rlwinm r3,r3,12,29,31 /* r3 - SD clk */ + lis r5,sdc_clk_sync@h + ori r5,r5,sdc_clk_sync@l + /* Sri: At this point check if r3 = 001. If yes, + * the memory frequency should be same as the + * MPX bus frequency + */ + cmpi 0,0,r3,0x0001 + bne get_nsec + lwz r6, CG_PWRUP_STATUS(r4) + rlwinm r6,r6,16,29,31 + mr r3,r6 + +get_nsec: + rlwinm r3,r3,2,0,31 + lwzx r9,r5,r3 /* get SD clk rate in nSec */ + /* ATTN: r9 will be used by SPD routine */ +#endif /* !SDC_HARDCODED_INIT */ + + ori r4,r29,TSI108_SD_REG_OFFSET /* r4 - ptr to SDRAM registers */ + + /* Initialize SDRAM controller. SDRAM Size = 512MB, One DIMM. */ + + LOAD_U32(r5,0x00) + stw r5,SD_INT_ENABLE(r4) /* Ensure that interrupts are disabled */ +#ifdef ENABLE_SDRAM_ECC + li r5, 0x01 +#endif /* ENABLE_SDRAM_ECC */ + stw r5,SD_ECC_CTRL(r4) /* Enable/Disable ECC */ + sync + +#ifdef SDC_HARDCODED_INIT /* config sdram controller with hardcoded values */ + + /* First read the CG_PWRUP_STATUS register to get the + * memory speed from bits 22,21,20 + */ + + LOAD_U32(r3,0xC0002234) + lwz r3,0(r3) + rlwinm r3,r3,12,29,31 + + /* Now first check for 166, then 200, or default */ + + cmpi 0,0,r3,0x0005 + bne check_for_200mhz + + /* set values for 166 Mhz memory speed + * Set refresh rate and timing parameters + */ + LOAD_U32(r5,0x00000515) + stw r5,SD_REFRESH(r4) + LOAD_U32(r5,0x03073368) + stw r5,SD_TIMING(r4) + sync + + /* Initialize DIMM0 control and BAR registers */ + LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D0_CTRL(r4) + LOAD_U32(r5,VAL_SD_D0_BAR) + stw r5,SD_D0_BAR(r4) + sync + + /* Initialize DIMM1 control and BAR registers + * (same as dimm 0, next 512MB, disabled) + */ + LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D1_CTRL(r4) + LOAD_U32(r5,VAL_SD_D1_BAR) + stw r5,SD_D1_BAR(r4) + sync + + b sdc_init_done + +check_for_200mhz: + + cmpi 0,0,r3,0x0006 + bne set_default_values + + /* set values for 200Mhz memory speed + * Set refresh rate and timing parameters + */ + LOAD_U32(r5,0x0000061a) + stw r5,SD_REFRESH(r4) + LOAD_U32(r5,0x03083348) + stw r5,SD_TIMING(r4) + sync + + /* Initialize DIMM0 control and BAR registers */ + LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D0_CTRL(r4) + LOAD_U32(r5,VAL_SD_D0_BAR) + stw r5,SD_D0_BAR(r4) + sync + + /* Initialize DIMM1 control and BAR registers + * (same as dimm 0, next 512MB, disabled) + */ + LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D1_CTRL(r4) + LOAD_U32(r5,VAL_SD_D1_BAR) + stw r5,SD_D1_BAR(r4) + sync + + b sdc_init_done + +set_default_values: + + /* Set refresh rate and timing parameters */ + LOAD_U32(r5,VAL_SD_REFRESH) + stw r5,SD_REFRESH(r4) + LOAD_U32(r5,VAL_SD_TIMING) + stw r5,SD_TIMING(r4) + sync + + /* Initialize DIMM0 control and BAR registers */ + LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D0_CTRL(r4) + LOAD_U32(r5,VAL_SD_D0_BAR) + stw r5,SD_D0_BAR(r4) + sync + + /* Initialize DIMM1 control and BAR registers + * (same as dimm 0, next 512MB, disabled) + */ + LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ +#ifdef SDC_AUTOPRECH_EN + oris r5,r5,0x0001 /* set auto precharge EN bit */ +#endif + stw r5,SD_D1_CTRL(r4) + LOAD_U32(r5,VAL_SD_D1_BAR) + stw r5,SD_D1_BAR(r4) + sync +#else /* !SDC_HARDCODED_INIT */ + bl tsi108_sdram_spd /* automatically detect SDC settings */ +#endif /* SDC_HARDCODED_INIT */ + +sdc_init_done: + +#ifdef DISABLE_PBM + LOAD_U32(r5,0x00000030) /* PB_EN + OCN_EN */ +#else + LOAD_U32(r5,0x00000230) /* PB_EN + OCN_EN + PB/OCN=80/20 */ +#endif /* DISABLE_PBM */ + +#ifdef CONFIG_TSI108EMU + oris r5,r5,0x0010 /* set EMULATION_MODE bit */ +#endif + + stw r5,SD_CTRL(r4) + eieio + sync + + /* Enable SDRAM access */ + + oris r5,r5,0x8000 /* start SDC: set SD_CTRL[ENABLE] bit */ + stw r5,SD_CTRL(r4) + sync + +wait_init_complete: + lwz r5,SD_STATUS(r4) + andi. r5,r5,0x0001 + /* wait until SDRAM initialization is complete */ + beq wait_init_complete + + /* Map SDRAM into the processor bus address space */ + + ori r4,r29,TSI108_PB_REG_OFFSET + + /* Setup BARs associated with direct path PB<->SDRAM */ + + /* PB_SDRAM_BAR1: + * provides a direct path to the main system memory (cacheable SDRAM) + */ + + /* BA=0,Size=512MB, ENable, No Addr.Translation */ + LOAD_U32(r5, 0x00000011) + stw r5,PB_SDRAM_BAR1(r4) + sync + + /* Make sure that PB_SDRAM_BAR1 decoder is set + * (to allow following immediate read from SDRAM) + */ + lwz r5,PB_SDRAM_BAR1(r4) + sync + + /* PB_SDRAM_BAR2: + * provides non-cacheable alias (via the direct path) to main + * system memory. + * Size = 512MB, ENable, Addr.Translation - ON, + * BA = 0x0_40000000, TA = 0x0_00000000 + */ + + LOAD_U32(r5, 0x40010011) + stw r5,PB_SDRAM_BAR2(r4) + sync + + /* Make sure that PB_SDRAM_BAR2 decoder is set + * (to allow following immediate read from SDRAM) + */ + lwz r5,PB_SDRAM_BAR2(r4) + sync + +init_done: + + /* All done. Restore LR and return. */ + mtlr r19 + blr + +#if (0) + /* + * init_cpu1 + * This routine enables CPU1 on the dual-processor system. + * Now there is only one processor in the system + */ + + .global enable_cpu1 +enable_cpu1: + + lis r3,Tsi108_Base@ha /* Get Grendel CSR Base Addr */ + addi r3,r3,Tsi108_Base@l + lwz r3,0(r3) /* R3 = CSR Base Addr */ + ori r4,r3,TSI108_PB_REG_OFFSET + lwz r3,PB_ARB_CTRL(r4) /* Read PB Arbiter Control Register */ + ori r3,r3,0x0200 /* Set M1_EN bit */ + stw r3,PB_ARB_CTRL(r4) + + blr +#endif + + /* + * enable_EI + * Enable CPU core external interrupt + */ + + .global enable_EI +enable_EI: + mfmsr r3 + ori r3,r3,0x8000 /* set EE bit */ + mtmsr r3 + blr + + /* + * disable_EI + * Disable CPU core external interrupt + */ + + .global disable_EI +disable_EI: + mfmsr r3 + li r4,-32768 /* aka "li r4,0x8000" */ + andc r3,r3,r4 /* clear EE bit */ + mtmsr r3 + blr + +#ifdef ENABLE_SDRAM_ECC + /* enables SDRAM ECC */ + + .global enable_ECC +enable_ECC: + ori r4,r29,TSI108_SD_REG_OFFSET + lwz r3,SD_ECC_CTRL(r4) /* Read SDRAM ECC Control Register */ + ori r3,r3,0x0001 /* Set ECC_EN bit */ + stw r3,SD_ECC_CTRL(r4) + blr + + /* + * clear_ECC_err + * Clears all pending SDRAM ECC errors + * (normally after SDRAM scrubbing/initialization) + */ + + .global clear_ECC_err +clear_ECC_err: + ori r4,r29,TSI108_SD_REG_OFFSET + ori r3,r0,0x0030 /* ECC_UE_INT + ECC_CE_INT bits */ + stw r3,SD_INT_STATUS(r4) + blr + +#endif /* ENABLE_SDRAM_ECC */ + +#ifndef SDC_HARDCODED_INIT + + /* SDRAM SPD Support */ +#define SD_I2C_CTRL1 (0x400) +#define SD_I2C_CTRL2 (0x404) +#define SD_I2C_RD_DATA (0x408) +#define SD_I2C_WR_DATA (0x40C) + + /* + * SDRAM SPD Support Macros + */ + +#define SPD_DIMM0 (0x00000100) +#define SPD_DIMM1 (0x00000200) /* SPD_DIMM1 was 0x00000000 */ + +#define SPD_RDIMM (0x01) +#define SPD_UDIMM (0x02) + +#define SPD_CAS_3 0x8 +#define SPD_CAS_4 0x10 +#define SPD_CAS_5 0x20 + +#define ERR_NO_DIMM_FOUND (0xdb0) +#define ERR_TRAS_FAIL (0xdb1) +#define ERR_TRCD_FAIL (0xdb2) +#define ERR_TRP_FAIL (0xdb3) +#define ERR_TWR_FAIL (0xdb4) +#define ERR_UNKNOWN_PART (0xdb5) +#define ERR_NRANK_INVALID (0xdb6) +#define ERR_DIMM_SIZE (0xdb7) +#define ERR_ADDR_MODE (0xdb8) +#define ERR_RFRSH_RATE (0xdb9) +#define ERR_DIMM_TYPE (0xdba) +#define ERR_CL_VALUE (0xdbb) +#define ERR_TRFC_FAIL (0xdbc) + +/* READ_SPD requirements: + * byte - byte address in SPD device (0 - 255) + * r3 = will return data read from I2C Byte location + * r4 - unchanged (SDC base addr) + * r5 - clobbered in routine (I2C status) + * r10 - number of DDR slot where first SPD device is detected + */ + +#define READ_SPD(byte_num) \ + addis r3, 0, byte_num@l; \ + or r3, r3, r10; \ + ori r3, r3, 0x0A; \ + stw r3, SD_I2C_CTRL1(r4); \ + li r3, I2C_CNTRL2_START; \ + stw r3, SD_I2C_CTRL2(r4); \ + eieio; \ + sync; \ + li r3, 0x100; \ +1:; \ + addic. r3, r3, -1; \ + bne 1b; \ +2:; \ + lwz r5, SD_I2C_CTRL2(r4); \ + rlwinm. r3,r5,0,23,23; \ + bne 2b; \ + rlwinm. r3,r5,0,3,3; \ + lwz r3,SD_I2C_RD_DATA(r4) + +#define SPD_MIN_RFRSH (0x80) +#define SPD_MAX_RFRSH (0x85) + +refresh_rates: /* in nSec */ + .long 15625 /* Normal (0x80) */ + .long 3900 /* Reduced 0.25x (0x81) */ + .long 7800 /* Reduced 0.5x (0x82) */ + .long 31300 /* Extended 2x (0x83) */ + .long 62500 /* Extended 4x (0x84) */ + .long 125000 /* Extended 8x (0x85) */ + +/* + * tsi108_sdram_spd + * + * Inittializes SDRAM Controller using DDR2 DIMM Serial Presence Detect data + * Uses registers: r4 - SDC base address (not changed) + * r9 - SDC clocking period in nSec + * Changes registers: r3,r5,r6,r7,r8,r10,r11 + */ + +tsi108_sdram_spd: + + li r10,SPD_DIMM0 + xor r11,r11,r11 /* DIMM Base Address: starts from 0 */ + +do_first_dimm: + + /* Program Refresh Rate Register */ + + READ_SPD(12) /* get Refresh Rate */ + beq check_next_slot + li r5, ERR_RFRSH_RATE + cmpi 0,0,r3,SPD_MIN_RFRSH + ble spd_fail + cmpi 0,0,r3,SPD_MAX_RFRSH + bgt spd_fail + addi r3,r3,-SPD_MIN_RFRSH + rlwinm r3,r3,2,0,31 + lis r5,refresh_rates@h + ori r5,r5,refresh_rates@l + lwzx r5,r5,r3 /* get refresh rate in nSec */ + divwu r5,r5,r9 /* calculate # of SDC clocks */ + stw r5,SD_REFRESH(r4) /* Set refresh rate */ + sync + + /* Program SD Timing Register */ + + li r7, 0 /* clear r7 prior parameter collection */ + + READ_SPD(20) /* get DIMM type: Registered or Unbuffered */ + beq spd_read_fail + li r5, ERR_DIMM_TYPE + cmpi 0,0,r3,SPD_UDIMM + beq do_cl + cmpi 0,0,r3,SPD_RDIMM + bne spd_fail + oris r7,r7,0x1000 /* set SD_TIMING[DIMM_TYPE] bit */ + +do_cl: + READ_SPD(18) /* Get CAS Latency */ + beq spd_read_fail + li r5,ERR_CL_VALUE + andi. r6,r3,SPD_CAS_3 + beq cl_4 + li r6,3 + b set_cl +cl_4: + andi. r6,r3,SPD_CAS_4 + beq cl_5 + li r6,4 + b set_cl +cl_5: + andi. r6,r3,SPD_CAS_5 + beq spd_fail + li r6,5 +set_cl: + rlwimi r7,r6,24,5,7 + + READ_SPD(30) /* Get tRAS */ + beq spd_read_fail + divwu r6,r3,r9 + mullw r8,r6,r9 + subf. r8,r8,r3 + beq set_tras + addi r6,r6,1 +set_tras: + li r5,ERR_TRAS_FAIL + cmpi 0,0,r6,0x0F /* max supported value */ + bgt spd_fail + rlwimi r7,r6,16,12,15 + + READ_SPD(29) /* Get tRCD */ + beq spd_read_fail + /* right shift tRCD by 2 bits as per DDR2 spec */ + rlwinm r3,r3,30,2,31 + divwu r6,r3,r9 + mullw r8,r6,r9 + subf. r8,r8,r3 + beq set_trcd + addi r6,r6,1 +set_trcd: + li r5,ERR_TRCD_FAIL + cmpi 0,0,r6,0x07 /* max supported value */ + bgt spd_fail + rlwimi r7,r6,12,17,19 + + READ_SPD(27) /* Get tRP value */ + beq spd_read_fail + rlwinm r3,r3,30,2,31 /* right shift tRP by 2 bits as per DDR2 spec */ + divwu r6,r3,r9 + mullw r8,r6,r9 + subf. r8,r8,r3 + beq set_trp + addi r6,r6,1 +set_trp: + li r5,ERR_TRP_FAIL + cmpi 0,0,r6,0x07 /* max supported value */ + bgt spd_fail + rlwimi r7,r6,8,21,23 + + READ_SPD(36) /* Get tWR value */ + beq spd_read_fail + rlwinm r3,r3,30,2,31 /* right shift tWR by 2 bits as per DDR2 spec */ + divwu r6,r3,r9 + mullw r8,r6,r9 + subf. r8,r8,r3 + beq set_twr + addi r6,r6,1 +set_twr: + addi r6,r6,-1 /* Tsi108 SDC always gives one extra clock */ + li r5,ERR_TWR_FAIL + cmpi 0,0,r6,0x07 /* max supported value */ + bgt spd_fail + rlwimi r7,r6,5,24,26 + + READ_SPD(42) /* Get tRFC */ + beq spd_read_fail + li r5, ERR_TRFC_FAIL + /* Tsi108 spec: tRFC=(tRFC + 1)/2 */ + addi r3,r3,1 + rlwinm. r3,r3,31,1,31 /* divide by 2 */ + beq spd_fail + divwu r6,r3,r9 + mullw r8,r6,r9 + subf. r8,r8,r3 + beq set_trfc + addi r6,r6,1 +set_trfc: + cmpi 0,0,r6,0x1F /* max supported value */ + bgt spd_fail + rlwimi r7,r6,0,27,31 + + stw r7,SD_TIMING(r4) + sync + + /* + * The following two registers are set on per-DIMM basis. + * The SD_REFRESH and SD_TIMING settings are common for both DIMMS + */ + +do_each_dimm: + + /* Program SDRAM DIMM Control Register */ + + li r7, 0 /* clear r7 prior parameter collection */ + + READ_SPD(13) /* Get Primary SDRAM Width */ + beq spd_read_fail + cmpi 0,0,r3,4 /* Check for 4-bit SDRAM */ + beq do_nbank + oris r7,r7,0x0010 /* Set MEM_WIDTH bit */ + +do_nbank: + READ_SPD(17) /* Get Number of banks on SDRAM device */ + beq spd_read_fail + /* Grendel only distinguish betw. 4 or 8-bank memory parts */ + li r5,ERR_UNKNOWN_PART /* non-supported memory part */ + cmpi 0,0,r3,4 + beq do_nrank + cmpi 0,0,r3,8 + bne spd_fail + ori r7,r7,0x1000 + +do_nrank: + READ_SPD(5) /* Get # of Ranks */ + beq spd_read_fail + li r5,ERR_NRANK_INVALID + andi. r6,r3,0x7 /* Use bits [2..0] only */ + beq do_addr_mode + cmpi 0,0,r6,1 + bgt spd_fail + rlwimi r7,r6,8,23,23 + +do_addr_mode: + READ_SPD(4) /* Get # of Column Addresses */ + beq spd_read_fail + li r5, ERR_ADDR_MODE + andi. r3,r3,0x0f /* cut off reserved bits */ + cmpi 0,0,r3,8 + ble spd_fail + cmpi 0,0,r3,15 + bgt spd_fail + addi r6,r3,-8 /* calculate ADDR_MODE parameter */ + rlwimi r7,r6,4,24,27 /* set ADDR_MODE field */ + +set_dimm_ctrl: +#ifdef SDC_AUTOPRECH_EN + oris r7,r7,0x0001 /* set auto precharge EN bit */ +#endif + ori r7,r7,1 /* set ENABLE bit */ + cmpi 0,0,r10,SPD_DIMM0 + bne 1f + stw r7,SD_D0_CTRL(r4) + sync + b set_dimm_bar +1: + stw r7,SD_D1_CTRL(r4) + sync + + + /* Program SDRAM DIMMx Base Address Register */ + +set_dimm_bar: + READ_SPD(5) /* get # of Ranks */ + beq spd_read_fail + andi. r7,r3,0x7 + addi r7,r7,1 + READ_SPD(31) /* Read DIMM rank density */ + beq spd_read_fail + rlwinm r5,r3,27,29,31 + rlwinm r6,r3,3,24,28 + or r5,r6,r5 /* r5 = Normalized Rank Density byte */ + lis r8, 0x0080 /* 128MB >> 4 */ + mullw r8,r8,r5 /* r8 = (rank_size >> 4) */ + mullw r8,r8,r7 /* r8 = (DIMM_size >> 4) */ + neg r7,r8 + rlwinm r7,r7,28,4,31 + or r7,r7,r11 /* set ADDR field */ + rlwinm r8,r8,12,20,31 + add r11,r11,r8 /* set Base Addr for next DIMM */ + + cmpi 0,0,r10,SPD_DIMM0 + bne set_dimm1_size + stw r7,SD_D0_BAR(r4) + sync + li r10,SPD_DIMM1 + READ_SPD(0) + bne do_each_dimm + b spd_done + +set_dimm1_size: + stw r7,SD_D1_BAR(r4) + sync +spd_done: + blr + +check_next_slot: + cmpi 0,0,r10,SPD_DIMM1 + beq spd_read_fail + li r10,SPD_DIMM1 + b do_first_dimm +spd_read_fail: + ori r3,r0,0xdead + b err_hung +spd_fail: + li r3,0x0bad + sync +err_hung: /* hang here for debugging */ + nop + nop + b err_hung + +#endif /* !SDC_HARDCODED_INIT */ diff --git a/board/freescale/mpc7448hpc2/config.mk b/board/freescale/mpc7448hpc2/config.mk new file mode 100644 index 0000000..2e58858 --- /dev/null +++ b/board/freescale/mpc7448hpc2/config.mk @@ -0,0 +1,28 @@ +# +# Copyright (c) 2005 Freescale Semiconductor, Inc. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# Flash address +TEXT_BASE = 0xFF000000 +# RAM address +#TEXT_BASE = 0x00400000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -maltivec -mabi=altivec -msoft-float diff --git a/board/freescale/mpc7448hpc2/mpc7448hpc2.c b/board/freescale/mpc7448hpc2/mpc7448hpc2.c new file mode 100644 index 0000000..81846eb --- /dev/null +++ b/board/freescale/mpc7448hpc2/mpc7448hpc2.c @@ -0,0 +1,107 @@ +/* + * (C) Copyright 2005 Freescale Semiconductor, Inc. + * + * Roy Zang + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * modifications for the Tsi108 Emul Board by avb@Tundra + */ + +/* + * board support/init functions for the + * Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform). + */ + +#include +#include <74xx_7xx.h> +#if defined(CONFIG_OF_FLAT_TREE) +#include +extern void ft_cpu_setup (void *blob, bd_t *bd); +#endif + +#undef DEBUG + +DECLARE_GLOBAL_DATA_PTR; + +extern void flush_data_cache (void); +extern void invalidate_l1_instruction_cache (void); +extern void tsi108_init_f (void); + +int display_mem_map (void); + +void after_reloc (ulong dest_addr) +{ + /* + * Jump to the main U-Boot board init code + */ + board_init_r ((gd_t *) gd, dest_addr); + /* NOTREACHED */ +} + +/* + * Check Board Identity: + * report board type + */ + +int checkboard (void) +{ + int l_type = 0; + + printf ("BOARD: %s\n", CFG_BOARD_NAME); + return (l_type); +} + +/* + * Read Processor ID: + * + * report calling processor number + */ + +int read_pid (void) +{ + return 0; /* we are on single CPU platform for a while */ +} + +long int dram_size (int board_type) +{ + return 0x20000000; /* 256M bytes */ +} + +long int initdram (int board_type) +{ + return dram_size (board_type); +} + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup (void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup (blob, bd); + + p = ft_get_prop (blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32 (bd->bi_memstart); + *p = cpu_to_be32 (bd->bi_memsize); + } +} +#endif diff --git a/board/freescale/mpc7448hpc2/tsi108_init.c b/board/freescale/mpc7448hpc2/tsi108_init.c new file mode 100644 index 0000000..30ae17d --- /dev/null +++ b/board/freescale/mpc7448hpc2/tsi108_init.c @@ -0,0 +1,665 @@ +/***************************************************************************** + * (C) Copyright 2003; Tundra Semiconductor Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + *****************************************************************************/ + +/*---------------------------------------------------------------------------- + * FILENAME: tsi108_init.c + * + * Originator: Alex Bounine + * + * DESCRIPTION: + * Initialization code for the Tundra Tsi108 bridge chip + *---------------------------------------------------------------------------*/ + +#include +#include <74xx_7xx.h> +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +extern void mpicInit (int verbose); + +/* + * Configuration Options + */ + +typedef struct { + ulong upper; + ulong lower; +} PB2OCN_LUT_ENTRY; + +PB2OCN_LUT_ENTRY pb2ocn_lut1[32] = { + /* 0 - 7 */ + {0x00000000, 0x00000201}, /* PBA=0xE000_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE100_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE200_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE300_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE400_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE500_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE600_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE700_0000 -> PCI/X (Byte-Swap) */ + + /* 8 - 15 */ + {0x00000000, 0x00000201}, /* PBA=0xE800_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xE900_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xEA00_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xEB00_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xEC00_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xED00_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xEE00_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xEF00_0000 -> PCI/X (Byte-Swap) */ + + /* 16 - 23 */ + {0x00000000, 0x00000201}, /* PBA=0xF000_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF100_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF200_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF300_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF400_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF500_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF600_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF700_0000 -> PCI/X (Byte-Swap) */ + /* 24 - 31 */ + {0x00000000, 0x00000201}, /* PBA=0xF800_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xF900_0000 -> PCI/X (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xFA00_0000 -> PCI/X PCI I/O (Byte-Swap) */ + {0x00000000, 0x00000201}, /* PBA=0xFB00_0000 -> PCI/X PCI Config (Byte-Swap) */ + + {0x00000000, 0x02000240}, /* PBA=0xFC00_0000 -> HLP */ + {0x00000000, 0x01000240}, /* PBA=0xFD00_0000 -> HLP */ + {0x00000000, 0x03000240}, /* PBA=0xFE00_0000 -> HLP */ + {0x00000000, 0x00000240} /* PBA=0xFF00_0000 -> HLP : (Translation Enabled + Byte-Swap)*/ +}; + +#ifdef CFG_CLK_SPREAD +typedef struct { + ulong ctrl0; + ulong ctrl1; +} PLL_CTRL_SET; + +/* + * Clock Generator SPLL0 initialization values + * PLL0 configuration table for various PB_CLKO freq. + * Uses pre-calculated values for Fs = 30 kHz, D = 0.5% + * Fout depends on required PB_CLKO. Based on Fref = 33 MHz + */ + +static PLL_CTRL_SET pll0_config[8] = { + {0x00000000, 0x00000000}, /* 0: bypass */ + {0x00000000, 0x00000000}, /* 1: reserved */ + {0x00430044, 0x00000043}, /* 2: CG_PB_CLKO = 183 MHz */ + {0x005c0044, 0x00000039}, /* 3: CG_PB_CLKO = 100 MHz */ + {0x005c0044, 0x00000039}, /* 4: CG_PB_CLKO = 133 MHz */ + {0x004a0044, 0x00000040}, /* 5: CG_PB_CLKO = 167 MHz */ + {0x005c0044, 0x00000039}, /* 6: CG_PB_CLKO = 200 MHz */ + {0x004f0044, 0x0000003e} /* 7: CG_PB_CLKO = 233 MHz */ +}; +#endif /* CFG_CLK_SPREAD */ + +/* + * Prosessor Bus Clock (in MHz) defined by CG_PB_SELECT + * (based on recommended Tsi108 reference clock 33MHz) + */ +static int pb_clk_sel[8] = { 0, 0, 183, 100, 133, 167, 200, 233 }; + +/* + * get_board_bus_clk () + * + * returns the bus clock in Hz. + */ +unsigned long get_board_bus_clk (void) +{ + ulong i; + + /* Detect PB clock freq. */ + i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); + i = (i >> 16) & 0x07; /* Get PB PLL multiplier */ + + return pb_clk_sel[i] * 1000000; +} + +/* + * board_early_init_f () + * + * board-specific initialization executed from flash + */ + +int board_early_init_f (void) +{ + ulong i; + + gd->mem_clk = 0; + i = in32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + + CG_PWRUP_STATUS); + i = (i >> 20) & 0x07; /* Get GD PLL multiplier */ + switch (i) { + case 0: /* external clock */ + printf ("Using external clock\n"); + break; + case 1: /* system clock */ + gd->mem_clk = gd->bus_clk; + break; + case 4: /* 133 MHz */ + case 5: /* 166 MHz */ + case 6: /* 200 MHz */ + gd->mem_clk = pb_clk_sel[i] * 1000000; + break; + default: + printf ("Invalid DDR2 clock setting\n"); + return -1; + } + printf ("BUS: %d MHz\n", get_board_bus_clk() / 1000000); + printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); + return 0; +} + +/* + * board_early_init_r() - Tsi108 initialization function executed right after + * relocation. Contains code that cannot be executed from flash. + */ + +int board_early_init_r (void) +{ + ulong temp, i; + ulong reg_val; + volatile ulong *reg_ptr; + + reg_ptr = + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x900); + + for (i = 0; i < 32; i++) { + *reg_ptr++ = 0x00000201; /* SWAP ENABLED */ + *reg_ptr++ = 0x00; + } + + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); + + /* Setup PB_OCN_BAR2: size 256B + ENable @ 0x0_80000000 */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2, + 0x80000001); + __asm__ __volatile__ ("sync"); + + /* Make sure that OCN_BAR2 decoder is set (to allow following immediate + * read from SDRAM) + */ + + temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2); + __asm__ __volatile__ ("sync"); + + /* + * Remap PB_OCN_BAR1 to accomodate PCI-bus aperture and EPROM into the + * processor bus address space. Immediately after reset LUT and address + * translation are disabled for this BAR. Now we have to initialize LUT + * and switch from the BOOT mode to the normal operation mode. + * + * The aperture defined by PB_OCN_BAR1 startes at address 0xE0000000 + * and covers 512MB of address space. To allow larger aperture we also + * have to relocate register window of Tsi108 + * + * Initialize LUT (32-entries) prior switching PB_OCN_BAR1 from BOOT + * mode. + * + * initialize pointer to LUT associated with PB_OCN_BAR1 + */ + reg_ptr = + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x800); + + for (i = 0; i < 32; i++) { + *reg_ptr++ = pb2ocn_lut1[i].lower; + *reg_ptr++ = pb2ocn_lut1[i].upper; + } + + __asm__ __volatile__ ("sync"); + + /* Base addresses for CS0, CS1, CS2, CS3 */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR, + 0x00000000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_ADDR, + 0x00100000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_ADDR, + 0x00200000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_ADDR, + 0x00300000); + __asm__ __volatile__ ("sync"); + + /* Masks for HLP banks */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); + + /* Set CTRL0 values for banks */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL0, + 0x7FFC44C2); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL0, + 0x7FFC44C0); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL0, + 0x7FFC44C0); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL0, + 0x7FFC44C2); + __asm__ __volatile__ ("sync"); + + /* Set banks to latched mode, enabled, and other default settings */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); + + /* + * Set new value for PB_OCN_BAR1: switch from BOOT to LUT mode. + * value for PB_OCN_BAR1: (BA-0xE000_0000 + size 512MB + ENable) + */ + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1, + 0xE0000011); + __asm__ __volatile__ ("sync"); + + /* Make sure that OCN_BAR2 decoder is set (to allow following + * immediate read from SDRAM) + */ + + temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1); + __asm__ __volatile__ ("sync"); + + /* + * SRI: At this point we have enabled the HLP banks. That means we can + * now read from the NVRAM and initialize the environment variables. + * We will over-ride the env_init called in board_init_f + * This is really a work-around because, the HLP bank 1 + * where NVRAM resides is not visible during board_init_f + * (lib_ppc/board.c) + * Alternatively, we could use the I2C EEPROM at start-up to configure + * and enable all HLP banks and not just HLP 0 as is being done for + * Taiga Rev. 2. + */ + + env_init (); + +#ifndef DISABLE_PBM + + /* + * For IBM processors we have to set Address-Only commands generated + * by PBM that are different from ones set after reset. + */ + + temp = get_cpu_type (); + + if ((CPU_750FX == temp) || (CPU_750GX == temp)) + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_MCMD, + 0x00009955); +#endif /* DISABLE_PBM */ + +#ifdef CONFIG_PCI + /* + * Initialize PCI/X block + */ + + /* Map PCI/X Configuration Space (16MB @ 0x0_FE000000) */ + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + + PCI_PFAB_BAR0_UPPER, 0); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0, + 0xFB000001); + __asm__ __volatile__ ("sync"); + + /* Set Bus Number for the attached PCI/X bus (we will use 0 for NB) */ + + temp = in32(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT); + + temp &= ~0xFF00; /* Clear the BUS_NUM field */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT, + temp); + + /* Map PCI/X IO Space (64KB @ 0x0_FD000000) takes one 16MB LUT entry */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO_UPPER, + 0); + __asm__ __volatile__ ("sync"); + + /* This register is on the PCI side to interpret the address it receives + * and maps it as a IO address. + */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO, + 0xFA000001); + __asm__ __volatile__ ("sync"); + + /* + * Map PCI/X Memory Space + * + * Transactions directed from OCM to PCI Memory Space are directed + * from PB to PCI + * unchanged (as defined by PB_OCN_BAR1,2 and LUT settings). + * If address remapping is required the corresponding PCI_PFAB_MEM32 + * and PCI_PFAB_PFMx register groups have to be configured. + * + * Map the path from the PCI/X bus into the system memory + * + * The memory mapped window assotiated with PCI P2O_BAR2 provides + * access to the system memory without address remapping. + * All system memory is opened for accesses initiated by PCI/X bus + * masters. + * + * Initialize LUT associated with PCI P2O_BAR2 + * + * set pointer to LUT associated with PCI P2O_BAR2 + */ + + reg_ptr = + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x500); + +#ifdef DISABLE_PBM + + /* In case when PBM is disabled (no HW supported cache snoopng on PB) + * P2O_BAR2 is directly mapped into the system memory without address + * translation. + */ + + reg_val = 0x00000004; /* SDRAM port + NO Addr_Translation */ + + for (i = 0; i < 32; i++) { + *reg_ptr++ = reg_val; /* P2O_BAR2_LUTx */ + *reg_ptr++ = 0; /* P2O_BAR2_LUT_UPPERx */ + } + + /* value for PCI BAR2 (size = 512MB, Enabled, No Addr. Translation) */ + reg_val = 0x00007500; +#else + + reg_val = 0x00000002; /* Destination port = PBM */ + + for (i = 0; i < 32; i++) { + *reg_ptr++ = reg_val; /* P2O_BAR2_LUTx */ +/* P2O_BAR2_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */ + *reg_ptr++ = 0x40000000; +/* offset = 16MB, address translation is enabled to allow byte swapping */ + reg_val += 0x01000000; + } + +/* value for PCI BAR2 (size = 512MB, Enabled, Address Translation Enabled) */ + reg_val = 0x00007100; +#endif + + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, + reg_val); + __asm__ __volatile__ ("sync"); + + /* Set 64-bit PCI bus address for system memory + * ( 0 is the best choice for easy mapping) + */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2_UPPER, + 0x00000000); + __asm__ __volatile__ ("sync"); + +#ifndef DISABLE_PBM + /* + * The memory mapped window assotiated with PCI P2O_BAR3 provides + * access to the system memory using SDRAM OCN port and address + * translation. This is alternative way to access SDRAM from PCI + * required for Tsi108 emulation testing. + * All system memory is opened for accesses initiated by + * PCI/X bus masters. + * + * Initialize LUT associated with PCI P2O_BAR3 + * + * set pointer to LUT associated with PCI P2O_BAR3 + */ + reg_ptr = + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x600); + + reg_val = 0x00000004; /* Destination port = SDC */ + + for (i = 0; i < 32; i++) { + *reg_ptr++ = reg_val; /* P2O_BAR3_LUTx */ + +/* P2O_BAR3_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */ + *reg_ptr++ = 0; + +/* offset = 16MB, address translation is enabled to allow byte swapping */ + reg_val += 0x01000000; + } + + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); + + /* Configure PCI P2O_BAR3 (size = 512MB, Enabled) */ + + reg_val = + in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + + PCI_P2O_PAGE_SIZES); + reg_val &= ~0x00FF; + reg_val |= 0x0071; + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, + reg_val); + __asm__ __volatile__ ("sync"); + + /* Set 64-bit base PCI bus address for window (0x20000000) */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3_UPPER, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3, + 0x20000000); + __asm__ __volatile__ ("sync"); + +#endif /* !DISABLE_PBM */ + +#ifdef ENABLE_PCI_CSR_BAR + /* open if required access to Tsi108 CSRs from the PCI/X bus */ + /* enable BAR0 on the PCI/X bus */ + reg_val = in32(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR); + reg_val |= 0x02; + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR, + reg_val); + __asm__ __volatile__ ("sync"); + + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0_UPPER, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0, + CFG_TSI108_CSR_BASE); + __asm__ __volatile__ ("sync"); + +#endif + + /* + * Finally enable PCI/X Bus Master and Memory Space access + */ + + reg_val = in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR); + reg_val |= 0x06; + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR, reg_val); + __asm__ __volatile__ ("sync"); + +#endif /* CONFIG_PCI */ + + /* + * Initialize MPIC outputs (interrupt pins): + * Interrupt routing on the Grendel Emul. Board: + * PB_INT[0] -> INT (CPU0) + * PB_INT[1] -> INT (CPU1) + * PB_INT[2] -> MCP (CPU0) + * PB_INT[3] -> MCP (CPU1) + * Set interrupt controller outputs as Level_Sensitive/Active_Low + */ + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(0), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(1), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(2), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(3), 0x02); + __asm__ __volatile__ ("sync"); + + /* + * Ensure that Machine Check exception is enabled + * We need it to support PCI Bus probing (configuration reads) + */ + + reg_val = mfmsr (); + mtmsr(reg_val | MSR_ME); + + return 0; +} + +/* + * Needed to print out L2 cache info + * used in the misc_init_r function + */ + +unsigned long get_l2cr (void) +{ + unsigned long l2controlreg; + asm volatile ("mfspr %0, 1017":"=r" (l2controlreg):); + return l2controlreg; +} + +/* + * misc_init_r() + * + * various things to do after relocation + * + */ + +int misc_init_r (void) +{ +#ifdef CFG_CLK_SPREAD /* Initialize Spread-Spectrum Clock generation */ + ulong i; + + /* Ensure that Spread-Spectrum is disabled */ + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, 0); + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0); + + /* Initialize PLL1: CG_PCI_CLK , internal OCN_CLK + * Uses pre-calculated value for Fout = 800 MHz, Fs = 30 kHz, D = 0.5% + */ + + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, + 0x002e0044); /* D = 0.25% */ + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL1, + 0x00000039); /* BWADJ */ + + /* Initialize PLL0: CG_PB_CLKO */ + /* Detect PB clock freq. */ + i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); + i = (i >> 16) & 0x07; /* Get PB PLL multiplier */ + + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, pll0_config[i].ctrl0); + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL1, pll0_config[i].ctrl1); + + /* Wait and set SSEN for both PLL0 and 1 */ + udelay (1000); + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, + 0x802e0044); /* D=0.25% */ + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, + 0x80000000 | pll0_config[i].ctrl0); +#endif /* CFG_CLK_SPREAD */ + +#ifdef CFG_L2 + l2cache_enable (); +#endif + printf ("BUS: %d MHz\n", gd->bus_clk / 1000000); + printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); + + /* + * All the information needed to print the cache details is avaiblable + * at this point i.e. above call to l2cache_enable is the very last + * thing done with regards to enabling diabling the cache. + * So this seems like a good place to print all this information + */ + + printf ("CACHE: "); + switch (get_cpu_type()) { + case CPU_7447A: + printf ("L1 Instruction cache - 32KB 8-way"); + (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("L1 Data cache - 32KB 8-way"); + (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("Unified L2 cache - 512KB 8-way"); + (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("\n"); + break; + + case CPU_7448: + printf ("L1 Instruction cache - 32KB 8-way"); + (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("L1 Data cache - 32KB 8-way"); + (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("Unified L2 cache - 1MB 8-way"); + (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + break; + default: + break; + } + return 0; +} diff --git a/board/freescale/mpc7448hpc2/u-boot.lds b/board/freescale/mpc7448hpc2/u-boot.lds new file mode 100644 index 0000000..05f0269 --- /dev/null +++ b/board/freescale/mpc7448hpc2/u-boot.lds @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2001 + * Josh Huber , Mission Critical Linux, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * u-boot.lds - linker script for U-Boot on mpc7448hpc2 Board. + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/74xx_7xx/start.o (.text) + +/* store the environment in a seperate sector in the boot flash */ +/* . = env_offset; */ +/* common/environment.o(.text) */ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/mpc7448hpc2/Makefile b/board/mpc7448hpc2/Makefile deleted file mode 100644 index e3d757d..0000000 --- a/board/mpc7448hpc2/Makefile +++ /dev/null @@ -1,52 +0,0 @@ -# -# (C) Copyright 2000 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS := $(BOARD).o tsi108_init.o -SOBJS := asm_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -.PHONY: distclean -distclean: clean - rm -f $(LIB) core *.bak .depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude ($obj).depend - -######################################################################### diff --git a/board/mpc7448hpc2/asm_init.S b/board/mpc7448hpc2/asm_init.S deleted file mode 100644 index a7a40a1..0000000 --- a/board/mpc7448hpc2/asm_init.S +++ /dev/null @@ -1,918 +0,0 @@ -/* - * (C) Copyright 2004-05; Tundra Semiconductor Corp. - * - * Added automatic detect of SDC settings - * Copyright (c) 2005 Freescale Semiconductor, Inc. - * Maintainer tie-fei.zang@freescale.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * FILENAME: asm_init.s - * - * Originator: Alex Bounine - * - * DESCRIPTION: - * Initialization code for the Tundra Tsi108 bridge chip - * - */ - -#include -#include - -#include -#include -#include - -#include - -/* - * Build Configuration Options - */ - -/* #define DISABLE_PBM disables usage of PB Master */ -/* #define SDC_HARDCODED_INIT config SDRAM controller with hardcoded values */ -/* #define SDC_AUTOPRECH_EN enable SDRAM auto precharge */ - -/* - * Hardcoded SDC settings - */ - -#ifdef SDC_HARDCODED_INIT - -/* Micron MT9HTF6472AY-40EA1 : Unbuffered, 512MB, 400, CL3, Single Rank */ - -#define VAL_SD_REFRESH (0x61A) -#define VAL_SD_TIMING (0x0308336b) -#define VAL_SD_D0_CTRL (0x07100021) /* auto-precharge disabled */ -#define VAL_SD_D0_BAR (0x0FE00000) /* 512MB @ 0x00000000 */ -#define VAL_SD_D1_CTRL (0x07100021) /* auto-precharge disabled */ -#define VAL_SD_D1_BAR (0x0FE00200) /* 512MB @ 0x20000000 */ - -#endif /* SDC_HARDCODED_INIT */ - -/* - CPU Configuration: - - CPU Address and Data Parity enables. - -#define CPU_AP -#define CPU_DP -*/ - -/* - * Macros - * !!! Attention !!! Macros LOAD_PTR, LOAD_U32 and LOAD_MEM defined below are - * expected to work correctly for the CSR space within 32KB range. - * - * LOAD_PTR and LOAD_U32 - load specified register with a 32 bit constant. - * These macros are absolutely identical except their names. This difference - * is provided intentionally for better readable code. - */ - -#define LOAD_PTR(reg,const32) \ - addis reg,r0,const32@h; ori reg,reg,const32@l - -#define LOAD_U32(reg,const32) \ - addis reg,r0,const32@h; ori reg,reg,const32@l - -/* LOADMEM initializes a register with the contents of a specified 32-bit - * memory location, usually a CSR value. - */ - -#define LOAD_MEM(reg,addr32) \ - addis reg,r0,addr32@ha; lwz reg,addr32@l(reg) - -#ifndef SDC_HARDCODED_INIT -sdc_clk_sync: - /* MHz: 0,0,183,100,133,167,200,233 */ - .long 0, 0, 6, 10, 8, 6, 5, 4 /* nSec */ -#endif - -/* - * board_asm_init() - early initialization function. Coded to be portable to - * dual-CPU configuration. - * Checks CPU number and performs board HW initialization if called for CPU0. - * Registers used: r3,r4,r5,r6,r19,r29 - * - * NOTE: For dual-CPU configuration only CPU0 is allowed to configure Tsi108 - * and the rest of the board. Current implementation demonstrates two - * possible ways to identify CPU number: - * - for MPC74xx platform: uses MSSCR0[ID] bit as defined in UM. - * - for PPC750FX/GX boards: uses WHO_AM_I bit reported by Tsi108. - */ - - .globl board_asm_init -board_asm_init: - mflr r19 /* Save LR to be able return later. */ - bl icache_enable /* Enable icache to reduce reads from flash. */ - -/* Initialize pointer to Tsi108 register space */ - - LOAD_PTR(r29,CFG_TSI108_CSR_RST_BASE)/* r29 - pointer to tsi108 CSR space */ - ori r4,r29,TSI108_PB_REG_OFFSET - -/* Check Processor Version Number */ - - mfspr r3, PVR - rlwinm r3,r3,16,16,23 /* get ((Processor Version Number) & 0xFF00) */ - - cmpli 0,0,r3,0x8000 /* MPC74xx */ - bne cont_brd_init - - /* - * For MPC744x/5x enable extended BATs[4-7] - * Sri: Set HIGH_BAT_EN and XBSEN, and SPD =1 - * to disable prefetch - */ - - mfspr r5, HID0 - oris r5, r5, 0x0080 /* Set HID0[HIGH_BAT_EN] bit #8 */ - ori r5, r5, 0x0380 /* Set SPD,XBSEN,SGE bits #22,23,24 */ - mtspr HID0, r5 - isync - sync - - /* Adding code to disable external interventions in MPX bus mode */ - mfspr r3, 1014 - oris r3, r3, 0x0100 /* Set the EIDIS bit in MSSCR0: bit 7 */ - mtspr 1014, r3 - isync - sync - - /* Sri: code to enable FP unit */ - mfmsr r3 - ori r3, r3, 0x2000 - mtmsr r3 - isync - sync - - /* def CONFIG_DUAL_CPU - * For MPC74xx processor, use MSSCR0[ID] bit to identify CPU number. - */ -#if(1) - mfspr r3,1014 /* read MSSCR0 */ - rlwinm. r3,r3,27,31,31 /* get processor ID number */ - mtspr SPRN_PIR,r3 /* Save CPU ID */ - sync - bne init_done - b do_tsi108_init - -cont_brd_init: - - /* An alternative method of checking the processor number (in addition - * to configuration using MSSCR0[ID] bit on MPC74xx). - * Good for IBM PPC750FX/GX. - */ - - lwz r3,PB_BUS_MS_SELECT(r4) /* read PB_ID register */ - rlwinm. r3,r3,24,31,31 /* get processor ID number */ - bne init_done -#else - -cont_brd_init: - -#endif /* CONFIG_DUAL_CPU */ - - /* Initialize Tsi108 chip */ - -do_tsi108_init: - - /* - * Adjust HLP/Flash parameters. By default after reset the HLP port is - * set to support slow devices. Better performance can be achived when - * an optimal parameters are used for specific EPROM device. - * NOTE: This should be performed ASAP for the emulation platform - * because it has 5MHz HLP clocking. - */ - -#ifdef CONFIG_TSI108EMU - ori r4,r29,TSI108_HLP_REG_OFFSET - LOAD_U32(r5,0x434422c0) - stw r5,0x08(r4) /* set HLP B0_CTRL0 */ - sync - LOAD_U32(r5,0xd0012000) - stw r5,0x0c(r4) /* set HLP B0_CTRL1 */ - sync -#endif - - /* Initialize PB interface. */ - - ori r4,r29,TSI108_PB_REG_OFFSET - -#if (CFG_TSI108_CSR_BASE != CFG_TSI108_CSR_RST_BASE) - /* Relocate (if required) Tsi108 registers. Set new value for - * PB_REG_BAR: - * Note we are in the 32-bit address mode. - */ - LOAD_U32(r5,(CFG_TSI108_CSR_BASE | 0x01)) /* PB_REG_BAR: BA + EN */ - stw r5,PB_REG_BAR(r4) - andis. r29,r5,0xFFFF - sync - ori r4,r29,TSI108_PB_REG_OFFSET -#endif - - /* Set PB Slave configuration register */ - - LOAD_U32(r5,0x00002481) /* PB_SCR: TEA enabled,AACK delay = 1 */ - lwz r3, PB_RSR(r4) /* get PB bus mode */ - xori r3,r3,0x0001 /* mask PB_BMODE: r3 -> (0 = 60X, 1 = MPX) */ - rlwimi r5,r3,14,17,17 /* for MPX: set DTI_MODE bit */ - stw r5,PB_SCR(r4) - sync - - /* Configure PB Arbiter */ - - lwz r5,PB_ARB_CTRL(r4) /* Read PB Arbiter Control Register */ - li r3, 0x00F0 /* ARB_PIPELINE_DEP mask */ -#ifdef DISABLE_PBM - ori r3,r3,0x1000 /* add PBM_EN to clear (enabled by default) */ -#endif - andc r5,r5,r3 /* Clear the masked bit fields */ - ori r5,r5,0x0001 /* Set pipeline depth */ - stw r5,PB_ARB_CTRL(r4) - -#if (0) /* currently using the default settings for PBM after reset */ - LOAD_U32(r5,0x) /* value for PB_MCR */ - stw r5,PB_MCR(r4) - sync - - LOAD_U32(r5,0x) /* value for PB_MCMD */ - stw r5,PB_MCMD(r4) - sync -#endif - - /* Disable or enable PVT based on processor bus frequency - * 1. Read CG_PWRUP_STATUS register field bits 18,17,16 - * 2. See if the value is < or > 133mhz (18:16 = 100) - * 3. If > enable PVT - */ - - LOAD_U32(r3,0xC0002234) - lwz r3,0(r3) - rlwinm r3,r3,16,29,31 - - cmpi 0,0,r3,0x0004 - bgt sdc_init - -#ifndef CONFIG_TSI108EMU - /* FIXME: Disable PB calibration control for any real Tsi108 board */ - li r5,0x0101 /* disable calibration control */ - stw r5,PB_PVT_CTRL2(r4) - sync -#endif - - /* Initialize SDRAM controller. */ - -sdc_init: - -#ifndef SDC_HARDCODED_INIT - /* get SDC clock prior doing sdram controller autoconfig */ - ori r4,r29,TSI108_CLK_REG_OFFSET /* r4 - ptr to CG registers */ - lwz r3, CG_PWRUP_STATUS(r4) /* get CG configuration */ - rlwinm r3,r3,12,29,31 /* r3 - SD clk */ - lis r5,sdc_clk_sync@h - ori r5,r5,sdc_clk_sync@l - /* Sri: At this point check if r3 = 001. If yes, - * the memory frequency should be same as the - * MPX bus frequency - */ - cmpi 0,0,r3,0x0001 - bne get_nsec - lwz r6, CG_PWRUP_STATUS(r4) - rlwinm r6,r6,16,29,31 - mr r3,r6 - -get_nsec: - rlwinm r3,r3,2,0,31 - lwzx r9,r5,r3 /* get SD clk rate in nSec */ - /* ATTN: r9 will be used by SPD routine */ -#endif /* !SDC_HARDCODED_INIT */ - - ori r4,r29,TSI108_SD_REG_OFFSET /* r4 - ptr to SDRAM registers */ - - /* Initialize SDRAM controller. SDRAM Size = 512MB, One DIMM. */ - - LOAD_U32(r5,0x00) - stw r5,SD_INT_ENABLE(r4) /* Ensure that interrupts are disabled */ -#ifdef ENABLE_SDRAM_ECC - li r5, 0x01 -#endif /* ENABLE_SDRAM_ECC */ - stw r5,SD_ECC_CTRL(r4) /* Enable/Disable ECC */ - sync - -#ifdef SDC_HARDCODED_INIT /* config sdram controller with hardcoded values */ - - /* First read the CG_PWRUP_STATUS register to get the - * memory speed from bits 22,21,20 - */ - - LOAD_U32(r3,0xC0002234) - lwz r3,0(r3) - rlwinm r3,r3,12,29,31 - - /* Now first check for 166, then 200, or default */ - - cmpi 0,0,r3,0x0005 - bne check_for_200mhz - - /* set values for 166 Mhz memory speed - * Set refresh rate and timing parameters - */ - LOAD_U32(r5,0x00000515) - stw r5,SD_REFRESH(r4) - LOAD_U32(r5,0x03073368) - stw r5,SD_TIMING(r4) - sync - - /* Initialize DIMM0 control and BAR registers */ - LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D0_CTRL(r4) - LOAD_U32(r5,VAL_SD_D0_BAR) - stw r5,SD_D0_BAR(r4) - sync - - /* Initialize DIMM1 control and BAR registers - * (same as dimm 0, next 512MB, disabled) - */ - LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D1_CTRL(r4) - LOAD_U32(r5,VAL_SD_D1_BAR) - stw r5,SD_D1_BAR(r4) - sync - - b sdc_init_done - -check_for_200mhz: - - cmpi 0,0,r3,0x0006 - bne set_default_values - - /* set values for 200Mhz memory speed - * Set refresh rate and timing parameters - */ - LOAD_U32(r5,0x0000061a) - stw r5,SD_REFRESH(r4) - LOAD_U32(r5,0x03083348) - stw r5,SD_TIMING(r4) - sync - - /* Initialize DIMM0 control and BAR registers */ - LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D0_CTRL(r4) - LOAD_U32(r5,VAL_SD_D0_BAR) - stw r5,SD_D0_BAR(r4) - sync - - /* Initialize DIMM1 control and BAR registers - * (same as dimm 0, next 512MB, disabled) - */ - LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D1_CTRL(r4) - LOAD_U32(r5,VAL_SD_D1_BAR) - stw r5,SD_D1_BAR(r4) - sync - - b sdc_init_done - -set_default_values: - - /* Set refresh rate and timing parameters */ - LOAD_U32(r5,VAL_SD_REFRESH) - stw r5,SD_REFRESH(r4) - LOAD_U32(r5,VAL_SD_TIMING) - stw r5,SD_TIMING(r4) - sync - - /* Initialize DIMM0 control and BAR registers */ - LOAD_U32(r5,VAL_SD_D0_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D0_CTRL(r4) - LOAD_U32(r5,VAL_SD_D0_BAR) - stw r5,SD_D0_BAR(r4) - sync - - /* Initialize DIMM1 control and BAR registers - * (same as dimm 0, next 512MB, disabled) - */ - LOAD_U32(r5,VAL_SD_D1_CTRL) /* auto-precharge disabled */ -#ifdef SDC_AUTOPRECH_EN - oris r5,r5,0x0001 /* set auto precharge EN bit */ -#endif - stw r5,SD_D1_CTRL(r4) - LOAD_U32(r5,VAL_SD_D1_BAR) - stw r5,SD_D1_BAR(r4) - sync -#else /* !SDC_HARDCODED_INIT */ - bl tsi108_sdram_spd /* automatically detect SDC settings */ -#endif /* SDC_HARDCODED_INIT */ - -sdc_init_done: - -#ifdef DISABLE_PBM - LOAD_U32(r5,0x00000030) /* PB_EN + OCN_EN */ -#else - LOAD_U32(r5,0x00000230) /* PB_EN + OCN_EN + PB/OCN=80/20 */ -#endif /* DISABLE_PBM */ - -#ifdef CONFIG_TSI108EMU - oris r5,r5,0x0010 /* set EMULATION_MODE bit */ -#endif - - stw r5,SD_CTRL(r4) - eieio - sync - - /* Enable SDRAM access */ - - oris r5,r5,0x8000 /* start SDC: set SD_CTRL[ENABLE] bit */ - stw r5,SD_CTRL(r4) - sync - -wait_init_complete: - lwz r5,SD_STATUS(r4) - andi. r5,r5,0x0001 - /* wait until SDRAM initialization is complete */ - beq wait_init_complete - - /* Map SDRAM into the processor bus address space */ - - ori r4,r29,TSI108_PB_REG_OFFSET - - /* Setup BARs associated with direct path PB<->SDRAM */ - - /* PB_SDRAM_BAR1: - * provides a direct path to the main system memory (cacheable SDRAM) - */ - - /* BA=0,Size=512MB, ENable, No Addr.Translation */ - LOAD_U32(r5, 0x00000011) - stw r5,PB_SDRAM_BAR1(r4) - sync - - /* Make sure that PB_SDRAM_BAR1 decoder is set - * (to allow following immediate read from SDRAM) - */ - lwz r5,PB_SDRAM_BAR1(r4) - sync - - /* PB_SDRAM_BAR2: - * provides non-cacheable alias (via the direct path) to main - * system memory. - * Size = 512MB, ENable, Addr.Translation - ON, - * BA = 0x0_40000000, TA = 0x0_00000000 - */ - - LOAD_U32(r5, 0x40010011) - stw r5,PB_SDRAM_BAR2(r4) - sync - - /* Make sure that PB_SDRAM_BAR2 decoder is set - * (to allow following immediate read from SDRAM) - */ - lwz r5,PB_SDRAM_BAR2(r4) - sync - -init_done: - - /* All done. Restore LR and return. */ - mtlr r19 - blr - -#if (0) - /* - * init_cpu1 - * This routine enables CPU1 on the dual-processor system. - * Now there is only one processor in the system - */ - - .global enable_cpu1 -enable_cpu1: - - lis r3,Tsi108_Base@ha /* Get Grendel CSR Base Addr */ - addi r3,r3,Tsi108_Base@l - lwz r3,0(r3) /* R3 = CSR Base Addr */ - ori r4,r3,TSI108_PB_REG_OFFSET - lwz r3,PB_ARB_CTRL(r4) /* Read PB Arbiter Control Register */ - ori r3,r3,0x0200 /* Set M1_EN bit */ - stw r3,PB_ARB_CTRL(r4) - - blr -#endif - - /* - * enable_EI - * Enable CPU core external interrupt - */ - - .global enable_EI -enable_EI: - mfmsr r3 - ori r3,r3,0x8000 /* set EE bit */ - mtmsr r3 - blr - - /* - * disable_EI - * Disable CPU core external interrupt - */ - - .global disable_EI -disable_EI: - mfmsr r3 - li r4,-32768 /* aka "li r4,0x8000" */ - andc r3,r3,r4 /* clear EE bit */ - mtmsr r3 - blr - -#ifdef ENABLE_SDRAM_ECC - /* enables SDRAM ECC */ - - .global enable_ECC -enable_ECC: - ori r4,r29,TSI108_SD_REG_OFFSET - lwz r3,SD_ECC_CTRL(r4) /* Read SDRAM ECC Control Register */ - ori r3,r3,0x0001 /* Set ECC_EN bit */ - stw r3,SD_ECC_CTRL(r4) - blr - - /* - * clear_ECC_err - * Clears all pending SDRAM ECC errors - * (normally after SDRAM scrubbing/initialization) - */ - - .global clear_ECC_err -clear_ECC_err: - ori r4,r29,TSI108_SD_REG_OFFSET - ori r3,r0,0x0030 /* ECC_UE_INT + ECC_CE_INT bits */ - stw r3,SD_INT_STATUS(r4) - blr - -#endif /* ENABLE_SDRAM_ECC */ - -#ifndef SDC_HARDCODED_INIT - - /* SDRAM SPD Support */ -#define SD_I2C_CTRL1 (0x400) -#define SD_I2C_CTRL2 (0x404) -#define SD_I2C_RD_DATA (0x408) -#define SD_I2C_WR_DATA (0x40C) - - /* - * SDRAM SPD Support Macros - */ - -#define SPD_DIMM0 (0x00000100) -#define SPD_DIMM1 (0x00000200) /* SPD_DIMM1 was 0x00000000 */ - -#define SPD_RDIMM (0x01) -#define SPD_UDIMM (0x02) - -#define SPD_CAS_3 0x8 -#define SPD_CAS_4 0x10 -#define SPD_CAS_5 0x20 - -#define ERR_NO_DIMM_FOUND (0xdb0) -#define ERR_TRAS_FAIL (0xdb1) -#define ERR_TRCD_FAIL (0xdb2) -#define ERR_TRP_FAIL (0xdb3) -#define ERR_TWR_FAIL (0xdb4) -#define ERR_UNKNOWN_PART (0xdb5) -#define ERR_NRANK_INVALID (0xdb6) -#define ERR_DIMM_SIZE (0xdb7) -#define ERR_ADDR_MODE (0xdb8) -#define ERR_RFRSH_RATE (0xdb9) -#define ERR_DIMM_TYPE (0xdba) -#define ERR_CL_VALUE (0xdbb) -#define ERR_TRFC_FAIL (0xdbc) - -/* READ_SPD requirements: - * byte - byte address in SPD device (0 - 255) - * r3 = will return data read from I2C Byte location - * r4 - unchanged (SDC base addr) - * r5 - clobbered in routine (I2C status) - * r10 - number of DDR slot where first SPD device is detected - */ - -#define READ_SPD(byte_num) \ - addis r3, 0, byte_num@l; \ - or r3, r3, r10; \ - ori r3, r3, 0x0A; \ - stw r3, SD_I2C_CTRL1(r4); \ - li r3, I2C_CNTRL2_START; \ - stw r3, SD_I2C_CTRL2(r4); \ - eieio; \ - sync; \ - li r3, 0x100; \ -1:; \ - addic. r3, r3, -1; \ - bne 1b; \ -2:; \ - lwz r5, SD_I2C_CTRL2(r4); \ - rlwinm. r3,r5,0,23,23; \ - bne 2b; \ - rlwinm. r3,r5,0,3,3; \ - lwz r3,SD_I2C_RD_DATA(r4) - -#define SPD_MIN_RFRSH (0x80) -#define SPD_MAX_RFRSH (0x85) - -refresh_rates: /* in nSec */ - .long 15625 /* Normal (0x80) */ - .long 3900 /* Reduced 0.25x (0x81) */ - .long 7800 /* Reduced 0.5x (0x82) */ - .long 31300 /* Extended 2x (0x83) */ - .long 62500 /* Extended 4x (0x84) */ - .long 125000 /* Extended 8x (0x85) */ - -/* - * tsi108_sdram_spd - * - * Inittializes SDRAM Controller using DDR2 DIMM Serial Presence Detect data - * Uses registers: r4 - SDC base address (not changed) - * r9 - SDC clocking period in nSec - * Changes registers: r3,r5,r6,r7,r8,r10,r11 - */ - -tsi108_sdram_spd: - - li r10,SPD_DIMM0 - xor r11,r11,r11 /* DIMM Base Address: starts from 0 */ - -do_first_dimm: - - /* Program Refresh Rate Register */ - - READ_SPD(12) /* get Refresh Rate */ - beq check_next_slot - li r5, ERR_RFRSH_RATE - cmpi 0,0,r3,SPD_MIN_RFRSH - ble spd_fail - cmpi 0,0,r3,SPD_MAX_RFRSH - bgt spd_fail - addi r3,r3,-SPD_MIN_RFRSH - rlwinm r3,r3,2,0,31 - lis r5,refresh_rates@h - ori r5,r5,refresh_rates@l - lwzx r5,r5,r3 /* get refresh rate in nSec */ - divwu r5,r5,r9 /* calculate # of SDC clocks */ - stw r5,SD_REFRESH(r4) /* Set refresh rate */ - sync - - /* Program SD Timing Register */ - - li r7, 0 /* clear r7 prior parameter collection */ - - READ_SPD(20) /* get DIMM type: Registered or Unbuffered */ - beq spd_read_fail - li r5, ERR_DIMM_TYPE - cmpi 0,0,r3,SPD_UDIMM - beq do_cl - cmpi 0,0,r3,SPD_RDIMM - bne spd_fail - oris r7,r7,0x1000 /* set SD_TIMING[DIMM_TYPE] bit */ - -do_cl: - READ_SPD(18) /* Get CAS Latency */ - beq spd_read_fail - li r5,ERR_CL_VALUE - andi. r6,r3,SPD_CAS_3 - beq cl_4 - li r6,3 - b set_cl -cl_4: - andi. r6,r3,SPD_CAS_4 - beq cl_5 - li r6,4 - b set_cl -cl_5: - andi. r6,r3,SPD_CAS_5 - beq spd_fail - li r6,5 -set_cl: - rlwimi r7,r6,24,5,7 - - READ_SPD(30) /* Get tRAS */ - beq spd_read_fail - divwu r6,r3,r9 - mullw r8,r6,r9 - subf. r8,r8,r3 - beq set_tras - addi r6,r6,1 -set_tras: - li r5,ERR_TRAS_FAIL - cmpi 0,0,r6,0x0F /* max supported value */ - bgt spd_fail - rlwimi r7,r6,16,12,15 - - READ_SPD(29) /* Get tRCD */ - beq spd_read_fail - /* right shift tRCD by 2 bits as per DDR2 spec */ - rlwinm r3,r3,30,2,31 - divwu r6,r3,r9 - mullw r8,r6,r9 - subf. r8,r8,r3 - beq set_trcd - addi r6,r6,1 -set_trcd: - li r5,ERR_TRCD_FAIL - cmpi 0,0,r6,0x07 /* max supported value */ - bgt spd_fail - rlwimi r7,r6,12,17,19 - - READ_SPD(27) /* Get tRP value */ - beq spd_read_fail - rlwinm r3,r3,30,2,31 /* right shift tRP by 2 bits as per DDR2 spec */ - divwu r6,r3,r9 - mullw r8,r6,r9 - subf. r8,r8,r3 - beq set_trp - addi r6,r6,1 -set_trp: - li r5,ERR_TRP_FAIL - cmpi 0,0,r6,0x07 /* max supported value */ - bgt spd_fail - rlwimi r7,r6,8,21,23 - - READ_SPD(36) /* Get tWR value */ - beq spd_read_fail - rlwinm r3,r3,30,2,31 /* right shift tWR by 2 bits as per DDR2 spec */ - divwu r6,r3,r9 - mullw r8,r6,r9 - subf. r8,r8,r3 - beq set_twr - addi r6,r6,1 -set_twr: - addi r6,r6,-1 /* Tsi108 SDC always gives one extra clock */ - li r5,ERR_TWR_FAIL - cmpi 0,0,r6,0x07 /* max supported value */ - bgt spd_fail - rlwimi r7,r6,5,24,26 - - READ_SPD(42) /* Get tRFC */ - beq spd_read_fail - li r5, ERR_TRFC_FAIL - /* Tsi108 spec: tRFC=(tRFC + 1)/2 */ - addi r3,r3,1 - rlwinm. r3,r3,31,1,31 /* divide by 2 */ - beq spd_fail - divwu r6,r3,r9 - mullw r8,r6,r9 - subf. r8,r8,r3 - beq set_trfc - addi r6,r6,1 -set_trfc: - cmpi 0,0,r6,0x1F /* max supported value */ - bgt spd_fail - rlwimi r7,r6,0,27,31 - - stw r7,SD_TIMING(r4) - sync - - /* - * The following two registers are set on per-DIMM basis. - * The SD_REFRESH and SD_TIMING settings are common for both DIMMS - */ - -do_each_dimm: - - /* Program SDRAM DIMM Control Register */ - - li r7, 0 /* clear r7 prior parameter collection */ - - READ_SPD(13) /* Get Primary SDRAM Width */ - beq spd_read_fail - cmpi 0,0,r3,4 /* Check for 4-bit SDRAM */ - beq do_nbank - oris r7,r7,0x0010 /* Set MEM_WIDTH bit */ - -do_nbank: - READ_SPD(17) /* Get Number of banks on SDRAM device */ - beq spd_read_fail - /* Grendel only distinguish betw. 4 or 8-bank memory parts */ - li r5,ERR_UNKNOWN_PART /* non-supported memory part */ - cmpi 0,0,r3,4 - beq do_nrank - cmpi 0,0,r3,8 - bne spd_fail - ori r7,r7,0x1000 - -do_nrank: - READ_SPD(5) /* Get # of Ranks */ - beq spd_read_fail - li r5,ERR_NRANK_INVALID - andi. r6,r3,0x7 /* Use bits [2..0] only */ - beq do_addr_mode - cmpi 0,0,r6,1 - bgt spd_fail - rlwimi r7,r6,8,23,23 - -do_addr_mode: - READ_SPD(4) /* Get # of Column Addresses */ - beq spd_read_fail - li r5, ERR_ADDR_MODE - andi. r3,r3,0x0f /* cut off reserved bits */ - cmpi 0,0,r3,8 - ble spd_fail - cmpi 0,0,r3,15 - bgt spd_fail - addi r6,r3,-8 /* calculate ADDR_MODE parameter */ - rlwimi r7,r6,4,24,27 /* set ADDR_MODE field */ - -set_dimm_ctrl: -#ifdef SDC_AUTOPRECH_EN - oris r7,r7,0x0001 /* set auto precharge EN bit */ -#endif - ori r7,r7,1 /* set ENABLE bit */ - cmpi 0,0,r10,SPD_DIMM0 - bne 1f - stw r7,SD_D0_CTRL(r4) - sync - b set_dimm_bar -1: - stw r7,SD_D1_CTRL(r4) - sync - - - /* Program SDRAM DIMMx Base Address Register */ - -set_dimm_bar: - READ_SPD(5) /* get # of Ranks */ - beq spd_read_fail - andi. r7,r3,0x7 - addi r7,r7,1 - READ_SPD(31) /* Read DIMM rank density */ - beq spd_read_fail - rlwinm r5,r3,27,29,31 - rlwinm r6,r3,3,24,28 - or r5,r6,r5 /* r5 = Normalized Rank Density byte */ - lis r8, 0x0080 /* 128MB >> 4 */ - mullw r8,r8,r5 /* r8 = (rank_size >> 4) */ - mullw r8,r8,r7 /* r8 = (DIMM_size >> 4) */ - neg r7,r8 - rlwinm r7,r7,28,4,31 - or r7,r7,r11 /* set ADDR field */ - rlwinm r8,r8,12,20,31 - add r11,r11,r8 /* set Base Addr for next DIMM */ - - cmpi 0,0,r10,SPD_DIMM0 - bne set_dimm1_size - stw r7,SD_D0_BAR(r4) - sync - li r10,SPD_DIMM1 - READ_SPD(0) - bne do_each_dimm - b spd_done - -set_dimm1_size: - stw r7,SD_D1_BAR(r4) - sync -spd_done: - blr - -check_next_slot: - cmpi 0,0,r10,SPD_DIMM1 - beq spd_read_fail - li r10,SPD_DIMM1 - b do_first_dimm -spd_read_fail: - ori r3,r0,0xdead - b err_hung -spd_fail: - li r3,0x0bad - sync -err_hung: /* hang here for debugging */ - nop - nop - b err_hung - -#endif /* !SDC_HARDCODED_INIT */ diff --git a/board/mpc7448hpc2/config.mk b/board/mpc7448hpc2/config.mk deleted file mode 100644 index 2e58858..0000000 --- a/board/mpc7448hpc2/config.mk +++ /dev/null @@ -1,28 +0,0 @@ -# -# Copyright (c) 2005 Freescale Semiconductor, Inc. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -# Flash address -TEXT_BASE = 0xFF000000 -# RAM address -#TEXT_BASE = 0x00400000 - -PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -maltivec -mabi=altivec -msoft-float diff --git a/board/mpc7448hpc2/mpc7448hpc2.c b/board/mpc7448hpc2/mpc7448hpc2.c deleted file mode 100644 index 81846eb..0000000 --- a/board/mpc7448hpc2/mpc7448hpc2.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * (C) Copyright 2005 Freescale Semiconductor, Inc. - * - * Roy Zang - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * modifications for the Tsi108 Emul Board by avb@Tundra - */ - -/* - * board support/init functions for the - * Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform). - */ - -#include -#include <74xx_7xx.h> -#if defined(CONFIG_OF_FLAT_TREE) -#include -extern void ft_cpu_setup (void *blob, bd_t *bd); -#endif - -#undef DEBUG - -DECLARE_GLOBAL_DATA_PTR; - -extern void flush_data_cache (void); -extern void invalidate_l1_instruction_cache (void); -extern void tsi108_init_f (void); - -int display_mem_map (void); - -void after_reloc (ulong dest_addr) -{ - /* - * Jump to the main U-Boot board init code - */ - board_init_r ((gd_t *) gd, dest_addr); - /* NOTREACHED */ -} - -/* - * Check Board Identity: - * report board type - */ - -int checkboard (void) -{ - int l_type = 0; - - printf ("BOARD: %s\n", CFG_BOARD_NAME); - return (l_type); -} - -/* - * Read Processor ID: - * - * report calling processor number - */ - -int read_pid (void) -{ - return 0; /* we are on single CPU platform for a while */ -} - -long int dram_size (int board_type) -{ - return 0x20000000; /* 256M bytes */ -} - -long int initdram (int board_type) -{ - return dram_size (board_type); -} - -#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) -void -ft_board_setup (void *blob, bd_t *bd) -{ - u32 *p; - int len; - - ft_cpu_setup (blob, bd); - - p = ft_get_prop (blob, "/memory/reg", &len); - if (p != NULL) { - *p++ = cpu_to_be32 (bd->bi_memstart); - *p = cpu_to_be32 (bd->bi_memsize); - } -} -#endif diff --git a/board/mpc7448hpc2/tsi108_init.c b/board/mpc7448hpc2/tsi108_init.c deleted file mode 100644 index 30ae17d..0000000 --- a/board/mpc7448hpc2/tsi108_init.c +++ /dev/null @@ -1,665 +0,0 @@ -/***************************************************************************** - * (C) Copyright 2003; Tundra Semiconductor Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - *****************************************************************************/ - -/*---------------------------------------------------------------------------- - * FILENAME: tsi108_init.c - * - * Originator: Alex Bounine - * - * DESCRIPTION: - * Initialization code for the Tundra Tsi108 bridge chip - *---------------------------------------------------------------------------*/ - -#include -#include <74xx_7xx.h> -#include -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -extern void mpicInit (int verbose); - -/* - * Configuration Options - */ - -typedef struct { - ulong upper; - ulong lower; -} PB2OCN_LUT_ENTRY; - -PB2OCN_LUT_ENTRY pb2ocn_lut1[32] = { - /* 0 - 7 */ - {0x00000000, 0x00000201}, /* PBA=0xE000_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE100_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE200_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE300_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE400_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE500_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE600_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE700_0000 -> PCI/X (Byte-Swap) */ - - /* 8 - 15 */ - {0x00000000, 0x00000201}, /* PBA=0xE800_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xE900_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xEA00_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xEB00_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xEC00_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xED00_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xEE00_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xEF00_0000 -> PCI/X (Byte-Swap) */ - - /* 16 - 23 */ - {0x00000000, 0x00000201}, /* PBA=0xF000_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF100_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF200_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF300_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF400_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF500_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF600_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF700_0000 -> PCI/X (Byte-Swap) */ - /* 24 - 31 */ - {0x00000000, 0x00000201}, /* PBA=0xF800_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xF900_0000 -> PCI/X (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xFA00_0000 -> PCI/X PCI I/O (Byte-Swap) */ - {0x00000000, 0x00000201}, /* PBA=0xFB00_0000 -> PCI/X PCI Config (Byte-Swap) */ - - {0x00000000, 0x02000240}, /* PBA=0xFC00_0000 -> HLP */ - {0x00000000, 0x01000240}, /* PBA=0xFD00_0000 -> HLP */ - {0x00000000, 0x03000240}, /* PBA=0xFE00_0000 -> HLP */ - {0x00000000, 0x00000240} /* PBA=0xFF00_0000 -> HLP : (Translation Enabled + Byte-Swap)*/ -}; - -#ifdef CFG_CLK_SPREAD -typedef struct { - ulong ctrl0; - ulong ctrl1; -} PLL_CTRL_SET; - -/* - * Clock Generator SPLL0 initialization values - * PLL0 configuration table for various PB_CLKO freq. - * Uses pre-calculated values for Fs = 30 kHz, D = 0.5% - * Fout depends on required PB_CLKO. Based on Fref = 33 MHz - */ - -static PLL_CTRL_SET pll0_config[8] = { - {0x00000000, 0x00000000}, /* 0: bypass */ - {0x00000000, 0x00000000}, /* 1: reserved */ - {0x00430044, 0x00000043}, /* 2: CG_PB_CLKO = 183 MHz */ - {0x005c0044, 0x00000039}, /* 3: CG_PB_CLKO = 100 MHz */ - {0x005c0044, 0x00000039}, /* 4: CG_PB_CLKO = 133 MHz */ - {0x004a0044, 0x00000040}, /* 5: CG_PB_CLKO = 167 MHz */ - {0x005c0044, 0x00000039}, /* 6: CG_PB_CLKO = 200 MHz */ - {0x004f0044, 0x0000003e} /* 7: CG_PB_CLKO = 233 MHz */ -}; -#endif /* CFG_CLK_SPREAD */ - -/* - * Prosessor Bus Clock (in MHz) defined by CG_PB_SELECT - * (based on recommended Tsi108 reference clock 33MHz) - */ -static int pb_clk_sel[8] = { 0, 0, 183, 100, 133, 167, 200, 233 }; - -/* - * get_board_bus_clk () - * - * returns the bus clock in Hz. - */ -unsigned long get_board_bus_clk (void) -{ - ulong i; - - /* Detect PB clock freq. */ - i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); - i = (i >> 16) & 0x07; /* Get PB PLL multiplier */ - - return pb_clk_sel[i] * 1000000; -} - -/* - * board_early_init_f () - * - * board-specific initialization executed from flash - */ - -int board_early_init_f (void) -{ - ulong i; - - gd->mem_clk = 0; - i = in32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + - CG_PWRUP_STATUS); - i = (i >> 20) & 0x07; /* Get GD PLL multiplier */ - switch (i) { - case 0: /* external clock */ - printf ("Using external clock\n"); - break; - case 1: /* system clock */ - gd->mem_clk = gd->bus_clk; - break; - case 4: /* 133 MHz */ - case 5: /* 166 MHz */ - case 6: /* 200 MHz */ - gd->mem_clk = pb_clk_sel[i] * 1000000; - break; - default: - printf ("Invalid DDR2 clock setting\n"); - return -1; - } - printf ("BUS: %d MHz\n", get_board_bus_clk() / 1000000); - printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); - return 0; -} - -/* - * board_early_init_r() - Tsi108 initialization function executed right after - * relocation. Contains code that cannot be executed from flash. - */ - -int board_early_init_r (void) -{ - ulong temp, i; - ulong reg_val; - volatile ulong *reg_ptr; - - reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x900); - - for (i = 0; i < 32; i++) { - *reg_ptr++ = 0x00000201; /* SWAP ENABLED */ - *reg_ptr++ = 0x00; - } - - __asm__ __volatile__ ("eieio"); - __asm__ __volatile__ ("sync"); - - /* Setup PB_OCN_BAR2: size 256B + ENable @ 0x0_80000000 */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2, - 0x80000001); - __asm__ __volatile__ ("sync"); - - /* Make sure that OCN_BAR2 decoder is set (to allow following immediate - * read from SDRAM) - */ - - temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2); - __asm__ __volatile__ ("sync"); - - /* - * Remap PB_OCN_BAR1 to accomodate PCI-bus aperture and EPROM into the - * processor bus address space. Immediately after reset LUT and address - * translation are disabled for this BAR. Now we have to initialize LUT - * and switch from the BOOT mode to the normal operation mode. - * - * The aperture defined by PB_OCN_BAR1 startes at address 0xE0000000 - * and covers 512MB of address space. To allow larger aperture we also - * have to relocate register window of Tsi108 - * - * Initialize LUT (32-entries) prior switching PB_OCN_BAR1 from BOOT - * mode. - * - * initialize pointer to LUT associated with PB_OCN_BAR1 - */ - reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x800); - - for (i = 0; i < 32; i++) { - *reg_ptr++ = pb2ocn_lut1[i].lower; - *reg_ptr++ = pb2ocn_lut1[i].upper; - } - - __asm__ __volatile__ ("sync"); - - /* Base addresses for CS0, CS1, CS2, CS3 */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR, - 0x00000000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_ADDR, - 0x00100000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_ADDR, - 0x00200000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_ADDR, - 0x00300000); - __asm__ __volatile__ ("sync"); - - /* Masks for HLP banks */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_MASK, - 0xFFF00000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_MASK, - 0xFFF00000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_MASK, - 0xFFF00000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_MASK, - 0xFFF00000); - __asm__ __volatile__ ("sync"); - - /* Set CTRL0 values for banks */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL0, - 0x7FFC44C2); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL0, - 0x7FFC44C0); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL0, - 0x7FFC44C0); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL0, - 0x7FFC44C2); - __asm__ __volatile__ ("sync"); - - /* Set banks to latched mode, enabled, and other default settings */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL1, - 0x7C0F2000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL1, - 0x7C0F2000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL1, - 0x7C0F2000); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL1, - 0x7C0F2000); - __asm__ __volatile__ ("sync"); - - /* - * Set new value for PB_OCN_BAR1: switch from BOOT to LUT mode. - * value for PB_OCN_BAR1: (BA-0xE000_0000 + size 512MB + ENable) - */ - out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1, - 0xE0000011); - __asm__ __volatile__ ("sync"); - - /* Make sure that OCN_BAR2 decoder is set (to allow following - * immediate read from SDRAM) - */ - - temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1); - __asm__ __volatile__ ("sync"); - - /* - * SRI: At this point we have enabled the HLP banks. That means we can - * now read from the NVRAM and initialize the environment variables. - * We will over-ride the env_init called in board_init_f - * This is really a work-around because, the HLP bank 1 - * where NVRAM resides is not visible during board_init_f - * (lib_ppc/board.c) - * Alternatively, we could use the I2C EEPROM at start-up to configure - * and enable all HLP banks and not just HLP 0 as is being done for - * Taiga Rev. 2. - */ - - env_init (); - -#ifndef DISABLE_PBM - - /* - * For IBM processors we have to set Address-Only commands generated - * by PBM that are different from ones set after reset. - */ - - temp = get_cpu_type (); - - if ((CPU_750FX == temp) || (CPU_750GX == temp)) - out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_MCMD, - 0x00009955); -#endif /* DISABLE_PBM */ - -#ifdef CONFIG_PCI - /* - * Initialize PCI/X block - */ - - /* Map PCI/X Configuration Space (16MB @ 0x0_FE000000) */ - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + - PCI_PFAB_BAR0_UPPER, 0); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0, - 0xFB000001); - __asm__ __volatile__ ("sync"); - - /* Set Bus Number for the attached PCI/X bus (we will use 0 for NB) */ - - temp = in32(CFG_TSI108_CSR_BASE + - TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT); - - temp &= ~0xFF00; /* Clear the BUS_NUM field */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT, - temp); - - /* Map PCI/X IO Space (64KB @ 0x0_FD000000) takes one 16MB LUT entry */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO_UPPER, - 0); - __asm__ __volatile__ ("sync"); - - /* This register is on the PCI side to interpret the address it receives - * and maps it as a IO address. - */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO, - 0xFA000001); - __asm__ __volatile__ ("sync"); - - /* - * Map PCI/X Memory Space - * - * Transactions directed from OCM to PCI Memory Space are directed - * from PB to PCI - * unchanged (as defined by PB_OCN_BAR1,2 and LUT settings). - * If address remapping is required the corresponding PCI_PFAB_MEM32 - * and PCI_PFAB_PFMx register groups have to be configured. - * - * Map the path from the PCI/X bus into the system memory - * - * The memory mapped window assotiated with PCI P2O_BAR2 provides - * access to the system memory without address remapping. - * All system memory is opened for accesses initiated by PCI/X bus - * masters. - * - * Initialize LUT associated with PCI P2O_BAR2 - * - * set pointer to LUT associated with PCI P2O_BAR2 - */ - - reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x500); - -#ifdef DISABLE_PBM - - /* In case when PBM is disabled (no HW supported cache snoopng on PB) - * P2O_BAR2 is directly mapped into the system memory without address - * translation. - */ - - reg_val = 0x00000004; /* SDRAM port + NO Addr_Translation */ - - for (i = 0; i < 32; i++) { - *reg_ptr++ = reg_val; /* P2O_BAR2_LUTx */ - *reg_ptr++ = 0; /* P2O_BAR2_LUT_UPPERx */ - } - - /* value for PCI BAR2 (size = 512MB, Enabled, No Addr. Translation) */ - reg_val = 0x00007500; -#else - - reg_val = 0x00000002; /* Destination port = PBM */ - - for (i = 0; i < 32; i++) { - *reg_ptr++ = reg_val; /* P2O_BAR2_LUTx */ -/* P2O_BAR2_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */ - *reg_ptr++ = 0x40000000; -/* offset = 16MB, address translation is enabled to allow byte swapping */ - reg_val += 0x01000000; - } - -/* value for PCI BAR2 (size = 512MB, Enabled, Address Translation Enabled) */ - reg_val = 0x00007100; -#endif - - __asm__ __volatile__ ("eieio"); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, - reg_val); - __asm__ __volatile__ ("sync"); - - /* Set 64-bit PCI bus address for system memory - * ( 0 is the best choice for easy mapping) - */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2, - 0x00000000); - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2_UPPER, - 0x00000000); - __asm__ __volatile__ ("sync"); - -#ifndef DISABLE_PBM - /* - * The memory mapped window assotiated with PCI P2O_BAR3 provides - * access to the system memory using SDRAM OCN port and address - * translation. This is alternative way to access SDRAM from PCI - * required for Tsi108 emulation testing. - * All system memory is opened for accesses initiated by - * PCI/X bus masters. - * - * Initialize LUT associated with PCI P2O_BAR3 - * - * set pointer to LUT associated with PCI P2O_BAR3 - */ - reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x600); - - reg_val = 0x00000004; /* Destination port = SDC */ - - for (i = 0; i < 32; i++) { - *reg_ptr++ = reg_val; /* P2O_BAR3_LUTx */ - -/* P2O_BAR3_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */ - *reg_ptr++ = 0; - -/* offset = 16MB, address translation is enabled to allow byte swapping */ - reg_val += 0x01000000; - } - - __asm__ __volatile__ ("eieio"); - __asm__ __volatile__ ("sync"); - - /* Configure PCI P2O_BAR3 (size = 512MB, Enabled) */ - - reg_val = - in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + - PCI_P2O_PAGE_SIZES); - reg_val &= ~0x00FF; - reg_val |= 0x0071; - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, - reg_val); - __asm__ __volatile__ ("sync"); - - /* Set 64-bit base PCI bus address for window (0x20000000) */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3_UPPER, - 0x00000000); - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3, - 0x20000000); - __asm__ __volatile__ ("sync"); - -#endif /* !DISABLE_PBM */ - -#ifdef ENABLE_PCI_CSR_BAR - /* open if required access to Tsi108 CSRs from the PCI/X bus */ - /* enable BAR0 on the PCI/X bus */ - reg_val = in32(CFG_TSI108_CSR_BASE + - TSI108_PCI_REG_OFFSET + PCI_MISC_CSR); - reg_val |= 0x02; - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR, - reg_val); - __asm__ __volatile__ ("sync"); - - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0_UPPER, - 0x00000000); - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0, - CFG_TSI108_CSR_BASE); - __asm__ __volatile__ ("sync"); - -#endif - - /* - * Finally enable PCI/X Bus Master and Memory Space access - */ - - reg_val = in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR); - reg_val |= 0x06; - out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR, reg_val); - __asm__ __volatile__ ("sync"); - -#endif /* CONFIG_PCI */ - - /* - * Initialize MPIC outputs (interrupt pins): - * Interrupt routing on the Grendel Emul. Board: - * PB_INT[0] -> INT (CPU0) - * PB_INT[1] -> INT (CPU1) - * PB_INT[2] -> MCP (CPU0) - * PB_INT[3] -> MCP (CPU1) - * Set interrupt controller outputs as Level_Sensitive/Active_Low - */ - out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(0), 0x02); - out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(1), 0x02); - out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(2), 0x02); - out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(3), 0x02); - __asm__ __volatile__ ("sync"); - - /* - * Ensure that Machine Check exception is enabled - * We need it to support PCI Bus probing (configuration reads) - */ - - reg_val = mfmsr (); - mtmsr(reg_val | MSR_ME); - - return 0; -} - -/* - * Needed to print out L2 cache info - * used in the misc_init_r function - */ - -unsigned long get_l2cr (void) -{ - unsigned long l2controlreg; - asm volatile ("mfspr %0, 1017":"=r" (l2controlreg):); - return l2controlreg; -} - -/* - * misc_init_r() - * - * various things to do after relocation - * - */ - -int misc_init_r (void) -{ -#ifdef CFG_CLK_SPREAD /* Initialize Spread-Spectrum Clock generation */ - ulong i; - - /* Ensure that Spread-Spectrum is disabled */ - out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, 0); - out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0); - - /* Initialize PLL1: CG_PCI_CLK , internal OCN_CLK - * Uses pre-calculated value for Fout = 800 MHz, Fs = 30 kHz, D = 0.5% - */ - - out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, - 0x002e0044); /* D = 0.25% */ - out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL1, - 0x00000039); /* BWADJ */ - - /* Initialize PLL0: CG_PB_CLKO */ - /* Detect PB clock freq. */ - i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); - i = (i >> 16) & 0x07; /* Get PB PLL multiplier */ - - out32 (CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, pll0_config[i].ctrl0); - out32 (CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL1, pll0_config[i].ctrl1); - - /* Wait and set SSEN for both PLL0 and 1 */ - udelay (1000); - out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, - 0x802e0044); /* D=0.25% */ - out32 (CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, - 0x80000000 | pll0_config[i].ctrl0); -#endif /* CFG_CLK_SPREAD */ - -#ifdef CFG_L2 - l2cache_enable (); -#endif - printf ("BUS: %d MHz\n", gd->bus_clk / 1000000); - printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); - - /* - * All the information needed to print the cache details is avaiblable - * at this point i.e. above call to l2cache_enable is the very last - * thing done with regards to enabling diabling the cache. - * So this seems like a good place to print all this information - */ - - printf ("CACHE: "); - switch (get_cpu_type()) { - case CPU_7447A: - printf ("L1 Instruction cache - 32KB 8-way"); - (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - printf ("L1 Data cache - 32KB 8-way"); - (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - printf ("Unified L2 cache - 512KB 8-way"); - (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - printf ("\n"); - break; - - case CPU_7448: - printf ("L1 Instruction cache - 32KB 8-way"); - (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - printf ("L1 Data cache - 32KB 8-way"); - (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - printf ("Unified L2 cache - 1MB 8-way"); - (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : - printf (" DISABLED\n"); - break; - default: - break; - } - return 0; -} diff --git a/board/mpc7448hpc2/u-boot.lds b/board/mpc7448hpc2/u-boot.lds deleted file mode 100644 index 05f0269..0000000 --- a/board/mpc7448hpc2/u-boot.lds +++ /dev/null @@ -1,136 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber , Mission Critical Linux, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * u-boot.lds - linker script for U-Boot on mpc7448hpc2 Board. - */ - -OUTPUT_ARCH(powerpc) -SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } - .text : - { - cpu/74xx_7xx/start.o (.text) - -/* store the environment in a seperate sector in the boot flash */ -/* . = env_offset; */ -/* common/environment.o(.text) */ - - *(.text) - *(.fixup) - *(.got1) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(.rodata) - *(.rodata1) - *(.rodata.str1.4) - } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } - - /* Read-write section, merged into data segment: */ - . = (. + 0x00FF) & 0xFFFFFF00; - _erotext = .; - PROVIDE (erotext = .); - .reloc : - { - *(.got) - _GOT2_TABLE_ = .; - *(.got2) - _FIXUP_TABLE_ = .; - *(.fixup) - } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS - } - _edata = .; - PROVIDE (edata = .); - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(256); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(256); - __init_end = .; - - __bss_start = .; - .bss (NOLOAD) : - { - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - } - _end = . ; - PROVIDE (end = .); -} -- cgit v1.1