diff options
Diffstat (limited to 'board/sbc8260')
| -rw-r--r-- | board/sbc8260/Makefile | 50 | ||||
| -rw-r--r-- | board/sbc8260/flash.c | 392 | ||||
| -rw-r--r-- | board/sbc8260/sbc8260.c | 289 |
3 files changed, 0 insertions, 731 deletions
diff --git a/board/sbc8260/Makefile b/board/sbc8260/Makefile deleted file mode 100644 index f1d86fc..0000000 --- a/board/sbc8260/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (C) Copyright 2000-2006 -# 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).o - -COBJS := sbc8260.o flash.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/sbc8260/flash.c b/board/sbc8260/flash.c deleted file mode 100644 index 645c67f..0000000 --- a/board/sbc8260/flash.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * (C) Copyright 2000 - * Marius Groeger <mgroeger@sysgo.de> - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Flash Routines for AMD 29F080B devices - * - *-------------------------------------------------------------------- - * 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 <common.h> -#include <mpc8xx.h> - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -/*----------------------------------------------------------------------- - * 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); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - unsigned long size; - int i; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* for now, only support the 4 MB Flash SIMM */ - size = flash_get_size((vu_long *)CONFIG_SYS_FLASH0_BASE, &flash_info[0]); - - /* - * protect monitor and environment sectors - */ - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH0_BASE - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR) -# ifndef CONFIG_ENV_SIZE -# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE -# endif - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, - &flash_info[0]); -#endif - - return /*size*/ (CONFIG_SYS_FLASH0_SIZE * 1024 * 1024); -} - -/*----------------------------------------------------------------------- - */ -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 >> 16) & 0xff) { - case 0x1: - printf ("AMD "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case AMD_ID_F040B: - printf ("AM29F040B (4 Mbit)\n"); - break; - case AMD_ID_F080B: - printf ("AM29F080B (8 Mbit)\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; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_long *addr, flash_info_t *info) -{ - short i; - vu_long vendor, devid; - ulong base = (ulong)addr; - -/* printf("addr = %08lx\n", (unsigned long)addr); */ - - /* Reset and Write auto select command: read Manufacturer ID */ - addr[0] = 0xf0f0f0f0; - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x90909090; - udelay (1000); - - vendor = addr[0]; -/* printf("vendor = %08lx\n", vendor); */ - if (vendor != 0x01010101) { - info->size = 0; - goto out; - } - - devid = addr[1]; -/* printf("devid = %08lx\n", devid); */ - - if ((devid & 0xff) == AMD_ID_F080B) { - info->flash_id = (vendor & 0xff) << 16 | AMD_ID_F080B; - /* we have 16 sectors with 64KB each x 4 */ - info->sector_count = 16; - info->size = 4 * info->sector_count * 64*1024; - } - else { - info->size = 0; - goto out; - } - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* sector base address */ - info->start[i] = base + i * (info->size / info->sector_count); - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (volatile unsigned long *)(info->start[i]); - info->protect[i] = addr[2] & 1; - } - - /* reset command */ - addr = (vu_long *)info->start[0]; - -out: - addr[0] = 0xf0f0f0f0; - - return info->size; -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - vu_long *addr = (vu_long*)(info->start[0]); - int flag, prot, sect, l_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; - } - - 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"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x80808080; - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - udelay (100); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (vu_long*)(info->start[sect]); - addr[0] = 0x30303030; - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (vu_long*)(info->start[l_sect]); - while ((addr[0] & 0x80808080) != 0x80808080) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - serial_putc ('.'); - last = now; - } - } - - DONE: - /* reset to read mode */ - addr = (volatile unsigned long *)info->start[0]; - addr[0] = 0xF0F0F0F0; /* reset bank */ - - 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; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++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*)(info->start[0]); - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *)dest) & data) != data) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0xA0A0A0A0; - - *((vu_long *)dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/board/sbc8260/sbc8260.c b/board/sbc8260/sbc8260.c deleted file mode 100644 index 33ce1a4..0000000 --- a/board/sbc8260/sbc8260.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * (C) Copyright 2000 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2001 - * Advent Networks, Inc. <http://www.adventnetworks.com> - * Jay Monkman <jtm@smoothsmoothie.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 - */ - -#include <common.h> -#include <ioports.h> -#include <mpc8260.h> - -/* - * 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 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */ - /* PA30 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */ - /* PA29 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */ - /* PA28 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */ - /* PA27 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */ - /* PA26 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */ - /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */ - /* PA24 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */ - /* PA23 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */ - /* PA22 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */ - /* PA21 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */ - /* PA20 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */ - /* PA19 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */ - /* PA18 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */ - /* PA17 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */ - /* PA16 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */ - /* PA15 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */ - /* PA14 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */ - /* PA13 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */ - /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */ - /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */ - /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */ - /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ - /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ - /* PA7 */ { 1, 0, 0, 1, 0, 0 }, /* PA7 */ - /* PA6 */ { 1, 0, 0, 1, 0, 0 }, /* PA6 */ - /* PA5 */ { 1, 0, 0, 1, 0, 0 }, /* PA5 */ - /* PA4 */ { 1, 0, 0, 1, 0, 0 }, /* PA4 */ - /* PA3 */ { 1, 0, 0, 1, 0, 0 }, /* PA3 */ - /* PA2 */ { 1, 0, 0, 1, 0, 0 }, /* PA2 */ - /* PA1 */ { 1, 0, 0, 1, 0, 0 }, /* PA1 */ - /* PA0 */ { 1, 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 */ { 1, 0, 0, 1, 0, 0 }, /* PB17 */ - /* PB16 */ { 1, 0, 0, 1, 0, 0 }, /* PB16 */ - /* PB15 */ { 1, 0, 0, 1, 0, 0 }, /* PB15 */ - /* PB14 */ { 1, 0, 0, 1, 0, 0 }, /* PB14 */ - /* PB13 */ { 1, 0, 0, 1, 0, 0 }, /* PB13 */ - /* PB12 */ { 1, 0, 0, 1, 0, 0 }, /* PB12 */ - /* PB11 */ { 1, 0, 0, 1, 0, 0 }, /* PB11 */ - /* PB10 */ { 1, 0, 0, 1, 0, 0 }, /* PB10 */ - /* PB9 */ { 1, 0, 0, 1, 0, 0 }, /* PB9 */ - /* PB8 */ { 1, 0, 0, 1, 0, 0 }, /* PB8 */ - /* PB7 */ { 1, 0, 0, 1, 0, 0 }, /* PB7 */ - /* PB6 */ { 1, 0, 0, 1, 0, 0 }, /* PB6 */ - /* PB5 */ { 1, 0, 0, 1, 0, 0 }, /* PB5 */ - /* PB4 */ { 1, 0, 0, 1, 0, 0 }, /* PB4 */ - /* 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 */ { 1, 0, 0, 1, 0, 0 }, /* PC31 */ - /* PC30 */ { 1, 0, 0, 1, 0, 0 }, /* PC30 */ - /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */ - /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* PC28 */ - /* PC27 */ { 1, 0, 0, 1, 0, 0 }, /* PC27 */ - /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* PC26 */ - /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* PC25 */ - /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* PC24 */ - /* PC23 */ { 1, 1, 0, 1, 0, 0 }, /* ATMTFCLK */ - /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ - /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ - /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ - /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */ - /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */ - /* PC17 */ { 1, 0, 0, 1, 0, 0 }, /* PC17 */ - /* PC16 */ { 1, 0, 0, 1, 0, 0 }, /* PC16 */ - /* PC15 */ { 1, 0, 0, 1, 0, 0 }, /* PC15 */ - /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */ - /* PC13 */ { 1, 0, 0, 1, 0, 0 }, /* PC13 */ - /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* PC12 */ - /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* PC11 */ - /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDC */ - /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDIO */ - /* PC8 */ { 1, 0, 0, 1, 0, 0 }, /* PC8 */ - /* PC7 */ { 1, 0, 0, 1, 0, 0 }, /* PC7 */ - /* PC6 */ { 1, 0, 0, 1, 0, 0 }, /* PC6 */ - /* PC5 */ { 1, 0, 0, 1, 0, 0 }, /* PC5 */ - /* PC4 */ { 1, 0, 0, 1, 0, 0 }, /* PC4 */ - /* PC3 */ { 1, 0, 0, 1, 0, 0 }, /* PC3 */ - /* PC2 */ { 1, 0, 0, 1, 0, 1 }, /* ENET FDE */ - /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* ENET DSQE */ - /* PC0 */ { 1, 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 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ - /* PD28 */ { 1, 0, 0, 1, 0, 0 }, /* PD28 */ - /* PD27 */ { 1, 0, 0, 1, 0, 0 }, /* PD27 */ - /* PD26 */ { 1, 0, 0, 1, 0, 0 }, /* PD26 */ - /* PD25 */ { 1, 0, 0, 1, 0, 0 }, /* PD25 */ - /* PD24 */ { 1, 0, 0, 1, 0, 0 }, /* PD24 */ - /* PD23 */ { 1, 0, 0, 1, 0, 0 }, /* PD23 */ - /* PD22 */ { 1, 0, 0, 1, 0, 0 }, /* PD22 */ - /* PD21 */ { 1, 0, 0, 1, 0, 0 }, /* PD21 */ - /* PD20 */ { 1, 0, 0, 1, 0, 0 }, /* PD20 */ - /* PD19 */ { 1, 0, 0, 1, 0, 0 }, /* PD19 */ - /* PD18 */ { 1, 0, 0, 1, 0, 0 }, /* PD18 */ - /* PD17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ - /* PD16 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ -#if defined(CONFIG_SOFT_I2C) - /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */ - /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */ -#else -#if defined(CONFIG_HARD_I2C) - /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ - /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ -#else /* normal I/O port pins */ - /* PD15 */ { 1, 0, 0, 1, 0, 0 }, /* I2C SDA */ - /* PD14 */ { 1, 0, 0, 1, 0, 0 }, /* I2C SCL */ -#endif -#endif - /* PD13 */ { 1, 0, 0, 0, 0, 0 }, /* PD13 */ - /* PD12 */ { 1, 0, 0, 0, 0, 0 }, /* PD12 */ - /* PD11 */ { 1, 0, 0, 0, 0, 0 }, /* PD11 */ - /* PD10 */ { 1, 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 */ { 1, 0, 0, 1, 0, 1 }, /* PD7 */ - /* PD6 */ { 1, 0, 0, 1, 0, 1 }, /* PD6 */ - /* PD5 */ { 1, 0, 0, 1, 0, 1 }, /* PD5 */ - /* PD4 */ { 1, 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 */ - } -}; - -/* ------------------------------------------------------------------------- */ - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - puts ("Board: EST SBC8260\n"); - return 0; -} - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8260_t *memctl = &immap->im_memctl; - volatile uchar c = 0, *ramaddr = (uchar *) (CONFIG_SYS_SDRAM_BASE + 0x8); - ulong psdmr = CONFIG_SYS_PSDMR; - int i; - - /* - * 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 - * - * 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 CONFIG_SYS_SDRAM_BASE. - */ - - memctl->memc_psrt = CONFIG_SYS_PSRT; - memctl->memc_mptpr = CONFIG_SYS_MPTPR; - - 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; - - /* return total ram size */ - return (CONFIG_SYS_SDRAM0_SIZE * 1024 * 1024); -} - -#ifdef CONFIG_MISC_INIT_R -/* ------------------------------------------------------------------------- */ -int misc_init_r (void) -{ -#ifdef CONFIG_SYS_LED_BASE - uchar ds = *(unsigned char *) (CONFIG_SYS_LED_BASE + 1); - uchar ss; - uchar tmp[64]; - int res; - - if ((ds != 0) && (ds != 0xff)) { - res = getenv_f("ethaddr", tmp, sizeof (tmp)); - if (res > 0) { - ss = ((ds >> 4) & 0x0f); - ss += ss < 0x0a ? '0' : ('a' - 10); - tmp[15] = ss; - - ss = (ds & 0x0f); - ss += ss < 0x0a ? '0' : ('a' - 10); - tmp[16] = ss; - - tmp[17] = '\0'; - setenv ("ethaddr", tmp); - /* set the led to show the address */ - *((unsigned char *) (CONFIG_SYS_LED_BASE + 1)) = ds; - } - } -#endif /* CONFIG_SYS_LED_BASE */ - return (0); -} -#endif /* CONFIG_MISC_INIT_R */ |