From 9acb626fc145e7327f94fd77f927dce08dd978a8 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Thu, 20 Apr 2006 08:42:42 +0200 Subject: Add MCF5282 support (without preloader) relocate ichache_State to ram u-boot can run from internal flash Add EB+MCF-EV123 board support. Add m68k Boards to MAKEALL Patch from Jens Scharsig, 08 Aug 2005 --- CHANGELOG | 7 + MAKEALL | 14 +- Makefile | 14 + board/BuS/EB+MCF-EV123/EB+MCF-EV123.c | 162 +++++++++++ board/BuS/EB+MCF-EV123/Makefile | 40 +++ board/BuS/EB+MCF-EV123/VCxK.c | 136 +++++++++ board/BuS/EB+MCF-EV123/VCxK.h | 48 +++ board/BuS/EB+MCF-EV123/cfm_flash.c | 212 ++++++++++++++ board/BuS/EB+MCF-EV123/cfm_flash.h | 40 +++ board/BuS/EB+MCF-EV123/config.mk | 28 ++ board/BuS/EB+MCF-EV123/flash.c | 413 ++++++++++++++++++++++++++ board/BuS/EB+MCF-EV123/textbase.mk | 1 + board/BuS/EB+MCF-EV123/u-boot.lds | 141 +++++++++ config.mk | 2 +- cpu/mcf52x2/cpu.c | 27 +- cpu/mcf52x2/cpu_init.c | 177 ++++++++++++ cpu/mcf52x2/fec.c | 27 +- cpu/mcf52x2/serial.c | 39 ++- cpu/mcf52x2/start.S | 96 ++++-- doc/README.m68k | 66 +++-- include/asm-m68k/immap_5282.h | 82 ++++-- include/asm-m68k/m5282.h | 529 ++++++++++++++++++++++++++++++++-- include/configs/EB+MCF-EV123.h | 223 ++++++++++++++ 23 files changed, 2421 insertions(+), 103 deletions(-) create mode 100644 board/BuS/EB+MCF-EV123/EB+MCF-EV123.c create mode 100644 board/BuS/EB+MCF-EV123/Makefile create mode 100644 board/BuS/EB+MCF-EV123/VCxK.c create mode 100644 board/BuS/EB+MCF-EV123/VCxK.h create mode 100644 board/BuS/EB+MCF-EV123/cfm_flash.c create mode 100644 board/BuS/EB+MCF-EV123/cfm_flash.h create mode 100644 board/BuS/EB+MCF-EV123/config.mk create mode 100644 board/BuS/EB+MCF-EV123/flash.c create mode 100644 board/BuS/EB+MCF-EV123/textbase.mk create mode 100644 board/BuS/EB+MCF-EV123/u-boot.lds create mode 100644 include/configs/EB+MCF-EV123.h diff --git a/CHANGELOG b/CHANGELOG index cbc18d9..012fa3d 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,13 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add MCF5282 support (without preloader) + relocate ichache_State to ram + u-boot can run from internal flash + Add EB+MCF-EV123 board support. + Add m68k Boards to MAKEALL + Patch from Jens Scharsig, 08 Aug 2005 + * MPC5200: enable snooping of DMA transactions on XLB even if no PCI is configured; othrwise DMA accesses aren't cache coherent which causes for example USB to fail. diff --git a/MAKEALL b/MAKEALL index d388afa..d3bd032 100755 --- a/MAKEALL +++ b/MAKEALL @@ -273,6 +273,17 @@ LIST_nios2="PCI5441 PK1C20" LIST_microblaze="suzaku" +######################################################################### +## M68K Systems +######################################################################### + +LIST_m68k="\ + cobra5272 \ + EB+MCF-EV123 EB+MCF-EV123_internal \ + M5272C3 M5282EVB \ + TASREG \ +" + #----------------------------------------------------------------------- #----- for now, just run PPC by default ----- @@ -286,7 +297,7 @@ build_target() { ${MAKE} distclean >/dev/null ${MAKE} ${target}_config ${MAKE} ${JOBS} all 2>&1 >LOG/$target.MAKELOG | tee LOG/$target.ERR - ${CROSS_COMPILE:-ppc_8xx-}size u-boot | tee -a LOG/$target.MAKELOG +# ${CROSS_COMPILE:-ppc_8xx-}size u-boot | tee -a LOG/$target.MAKELOG } #----------------------------------------------------------------------- @@ -300,6 +311,7 @@ do microblaze| \ mips|mips_el| \ nios|nios2| \ + m68k| \ x86|I486) for target in `eval echo '$LIST_'${arg}` do diff --git a/Makefile b/Makefile index 9b93463..7fd82e9 100644 --- a/Makefile +++ b/Makefile @@ -1313,6 +1313,20 @@ MPC8349EMDS_config: unconfig @./mkconfig $(@:_config=) ppc mpc83xx mpc8349emds ######################################################################### +# BuS +######################################################################### + +EB+MCF-EV123_config : unconfig + @ >include/config.h + @echo "TEXT_BASE = 0xFFE00000"|tee board/BuS/EB+MCF-EV123/textbase.mk + @./mkconfig EB+MCF-EV123 m68k mcf52x2 EB+MCF-EV123 BuS + +EB+MCF-EV123_internal_config : unconfig + @ >include/config.h + @echo "TEXT_BASE = 0xF0000000"|tee board/BuS/EB+MCF-EV123/textbase.mk + @./mkconfig EB+MCF-EV123 m68k mcf52x2 EB+MCF-EV123 BuS + +######################################################################### ## MPC85xx Systems ######################################################################### diff --git a/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c new file mode 100644 index 0000000..f18313d --- /dev/null +++ b/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c @@ -0,0 +1,162 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG + * + * (C) Copyright 2000-2003 + * 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 +#include +#include "asm/m5282.h" +#include "VCxK.h" + +int checkboard (void) +{ + puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n"); +#if (TEXT_BASE == CFG_INT_FLASH_BASE) + puts (" Boot from Internal FLASH\n"); +#endif + + return 0; +} + +long int initdram (int board_type) +{ + int size,i; + + size = 0; + MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 + | MCFSDRAMC_DCR_RC((15 * CFG_CLK)>>4); + #ifdef CFG_SDRAM_BASE0 + + MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE0) + | MCFSDRAMC_DACR_CASL(1) + | MCFSDRAMC_DACR_CBM(3) + | MCFSDRAMC_DACR_PS_16); + + MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M + | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *)(CFG_SDRAM_BASE0) = 0xA5A5; + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; + for (i=0; i < 2000; i++) + asm(" nop"); + mbar_writeLong(MCFSDRAMC_DACR0, mbar_readLong(MCFSDRAMC_DACR0) + | MCFSDRAMC_DACR_IMRS); + *(unsigned int *)(CFG_SDRAM_BASE0 + 0x220) = 0xA5A5; + size += CFG_SDRAM_SIZE * 1024 * 1024; + #endif + #ifdef CFG_SDRAM_BASE1 + MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE(CFG_SDRAM_BASE1) + | MCFSDRAMC_DACR_CASL(1) + | MCFSDRAMC_DACR_CBM(3) + | MCFSDRAMC_DACR_PS_16; + + MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M + | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *)(CFG_SDRAM_BASE1) = 0xA5A5; + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; + for (i=0; i < 2000; i++) + asm(" nop"); + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; + *(unsigned int *)(CFG_SDRAM_BASE1 + 0x220) = 0xA5A5; + size += CFG_SDRAM_SIZE1 * 1024 * 1024; + #endif + return size; +} + + +#if defined(CFG_DRAM_TEST) +int testdram (void) +{ + uint *pstart = (uint *) CFG_MEMTEST_START; + uint *pend = (uint *) CFG_MEMTEST_END; + uint *p; + + printf("SDRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test passed.\n"); + return 0; +} +#endif + +int misc_init_r(void) +{ + init_vcxk(); + return 1; +} + +/*---------------------------------------------------------------------------*/ + +int do_vcimage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int rcode = 0; + ulong source; + + switch (argc) { + case 2: + source = simple_strtoul(argv[1],NULL,16); + vcxk_loadimage(source); + rcode = 0; + break; + default: + printf ("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + break; + } + return rcode; +} + +/***************************************************/ + +U_BOOT_CMD( + vcimage, 2, 0, do_vcimage, + "vcimage - loads an image to Display\n", + "vcimage addr\n" +); + +/* EOF EB+MCF-EV123c */ diff --git a/board/BuS/EB+MCF-EV123/Makefile b/board/BuS/EB+MCF-EV123/Makefile new file mode 100644 index 0000000..d5dbc71 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/Makefile @@ -0,0 +1,40 @@ +# +# (C) Copyright 2000-2003 +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o cfm_flash.o flash.o VCxK.o + +$(LIB): .depend $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/BuS/EB+MCF-EV123/VCxK.c b/board/BuS/EB+MCF-EV123/VCxK.c new file mode 100644 index 0000000..736c101 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/VCxK.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG + * + * 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 "VCxK.h" + +vu_char *vcxk_bws = (vu_char *)(CFG_CS3_BASE); +#define VCXK_BWS vcxk_bws + +static ulong vcxk_driver; + + +ulong search_vcxk_driver(void); +void vcxk_cls(void); +void vcxk_setbrightness(short brightness); +int vcxk_request(void); +int vcxk_acknowledge_wait(void); +void vcxk_clear(void); + +int init_vcxk(void) +{ + VIDEO_Invert_CFG &= ~VIDEO_Invert_IO; + VIDEO_INVERT_PORT |= VIDEO_INVERT_PIN; + VIDEO_INVERT_DDR |= VIDEO_INVERT_PIN; + + VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN; + VIDEO_REQUEST_DDR |= VIDEO_REQUEST_PIN; + + VIDEO_ACKNOWLEDGE_DDR &= ~VIDEO_ACKNOWLEDGE_PIN; + + vcxk_driver = search_vcxk_driver(); + if (vcxk_driver) + { + /* use flash resist driver */ + } + else + { + vcxk_cls(); + vcxk_cls(); + vcxk_setbrightness(1000); + } + VIDEO_ENABLE_DDR |= VIDEO_ENABLE_PIN; + VIDEO_ENABLE_PORT |= VIDEO_ENABLE_PIN; + VIDEO_ENABLE_PORT &= ~VIDEO_ENABLE_PIN; + return 1; +} + +void vcxk_loadimage(ulong source) +{ + int cnt; + vcxk_acknowledge_wait(); + for (cnt=0; cnt<16384; cnt++) + { + VCXK_BWS[cnt*2] = (*(vu_char*) source); + source++; + } + vcxk_request(); +} + +void vcxk_cls(void) +{ + vcxk_acknowledge_wait(); + vcxk_clear(); + vcxk_request(); +} + +void vcxk_clear(void) +{ + int cnt; + for (cnt=0; cnt<16384; cnt++) + { + VCXK_BWS[cnt*2] = 0x00; + } +} + +void vcxk_setbrightness(short brightness) +{ + VCXK_BWS[0x8000]=(brightness >> 4) +2; + VCXK_BWS[0xC000]= (brightness + 23) >> 8; + VCXK_BWS[0xC001]= (brightness + 23) & 0xFF; +} + +int vcxk_request(void) +{ + if (vcxk_driver) + { + /* use flash resist driver */ + } + else + { + VIDEO_REQUEST_PORT &= ~VIDEO_REQUEST_PIN; + VIDEO_REQUEST_PORT |= VIDEO_REQUEST_PIN; + } + return 1; +} + +int vcxk_acknowledge_wait(void) +{ + if (vcxk_driver) + { + /* use flash resist driver */ + } + else + { + while (!(VIDEO_ACKNOWLEDGE_PORT & VIDEO_ACKNOWLEDGE_PIN)); + } + return 1; +} + +ulong search_vcxk_driver(void) +{ + return 0; +} + +/* eof */ diff --git a/board/BuS/EB+MCF-EV123/VCxK.h b/board/BuS/EB+MCF-EV123/VCxK.h new file mode 100644 index 0000000..74467ba --- /dev/null +++ b/board/BuS/EB+MCF-EV123/VCxK.h @@ -0,0 +1,48 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG + * + * 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 + */ + +#ifndef __VCXK_H_ +#define __VCXK_H_ + +extern int init_vcxk(void); +void vcxk_loadimage(ulong source); + +#define VIDEO_ACKNOWLEDGE_PORT MCFGPTB_GPTPORT +#define VIDEO_ACKNOWLEDGE_DDR MCFGPTB_GPTDDR +#define VIDEO_ACKNOWLEDGE_PIN 0x0001 + +#define VIDEO_ENABLE_PORT MCFGPTB_GPTPORT +#define VIDEO_ENABLE_DDR MCFGPTB_GPTDDR +#define VIDEO_ENABLE_PIN 0x0002 + +#define VIDEO_REQUEST_PORT MCFGPTB_GPTPORT +#define VIDEO_REQUEST_DDR MCFGPTB_GPTDDR +#define VIDEO_REQUEST_PIN 0x0004 + +#define VIDEO_Invert_CFG MCFGPIO_PEPAR +#define VIDEO_Invert_IO MCFGPIO_PEPAR_PEPA2 +#define VIDEO_INVERT_PORT MCFGPIO_PORTE +#define VIDEO_INVERT_DDR MCFGPIO_DDRE +#define VIDEO_INVERT_PIN MCFGPIO_PORT2 + +#endif diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.c b/board/BuS/EB+MCF-EV123/cfm_flash.c new file mode 100644 index 0000000..d5a1c30 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/cfm_flash.c @@ -0,0 +1,212 @@ +/* + * Basic Flash Driver for Freescale MCF 5281/5282 internal FLASH + * + * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG + * + * 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 "cfm_flash.h" + +#if defined(CONFIG_M5281) || defined(CONFIG_M5282) + +#if (CFG_CLK>20000000) + #define CFM_CLK (((long) CFG_CLK / (400000 * 8) + 1) | 0x40) +#else + #define CFM_CLK ((long) CFG_CLK / 400000 + 1) +#endif + +#define cmf_backdoor_address(addr) (((addr) & 0x0007FFFF) | 0x04000000 | \ + (CFG_MBAR & 0xC0000000)) + +void cfm_flash_print_info (flash_info_t * info) +{ + printf ("Freescale: "); + switch (info->flash_id & FLASH_TYPEMASK) { + case FREESCALE_ID_MCF5281 & FLASH_TYPEMASK: + printf ("MCF5281 internal FLASH\n"); + break; + case FREESCALE_ID_MCF5282 & FLASH_TYPEMASK: + printf ("MCF5282 internal FLASH\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } +} + +void cfm_flash_init (flash_info_t * info) +{ + int sector; + ulong protection; + MCFCFM_MCR = 0; + MCFCFM_CLKD = CFM_CLK; + debug ("CFM Clock divider: %ld (%d Hz @ %ld Hz)\n",CFM_CLK,\ + CFG_CLK / (2* ((CFM_CLK & 0x3F)+1) * (1+((CFM_CLK & 0x40)>>6)*7)),\ + CFG_CLK); + MCFCFM_SACC = 0; + MCFCFM_DACC = 0; + + if (MCFCFM_SEC & MCFCFM_SEC_KEYEN) + puts("CFM backdoor access is enabled\n"); + if (MCFCFM_SEC & MCFCFM_SEC_SECSTAT) + puts("CFM securety is enabled\n"); + + #ifdef CONFIG_M5281 + info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) | + (FREESCALE_ID_MCF5281 & FLASH_TYPEMASK); + info->size = 256*1024; + info->sector_count = 16; + #else + info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) | + (FREESCALE_ID_MCF5282 & FLASH_TYPEMASK); + info->size = 512*1024; + info->sector_count = 32; + #endif + protection = MCFCFM_PROT; + for (sector = 0; sector < info->sector_count; sector++) + { + if (sector == 0) + { + info->start[sector] = CFG_INT_FLASH_BASE; + } + else + { + info->start[sector] = info->start[sector-1] + 0x04000; + } + info->protect[sector] = protection & 1; + protection >>= 1; + } +} + +int cfm_flash_readycheck(int checkblank) +{ + int rc; + unsigned char state; + + rc = ERR_OK; + while (!(MCFCFM_USTAT & MCFCFM_USTAT_CCIF)); + state = MCFCFM_USTAT; + if (state & MCFCFM_USTAT_ACCERR) + { + debug ("%s(): CFM access error",__FUNCTION__); + rc = ERR_PROG_ERROR; + } + if (state & MCFCFM_USTAT_PVIOL) + { + debug ("%s(): CFM protection violation",__FUNCTION__); + rc = ERR_PROTECTED; + } + if (checkblank) + { + if (!(state & MCFCFM_USTAT_BLANK)) + { + debug ("%s(): CFM erras error",__FUNCTION__); + rc = ERR_NOT_ERASED; + } + } + MCFCFM_USTAT = state & 0x34; /* reset state */ + return rc; +} + +/* Erase 16KiB = 8 2KiB pages */ + +int cfm_flash_erase_sector (flash_info_t * info, int sector) +{ + ulong address; + int page; + int rc; + rc= ERR_OK; + address = cmf_backdoor_address(info->start[sector]); + for (page=0; (page<8) && (rc==ERR_OK); page++) + { + *(volatile __u32*) address = 0; + MCFCFM_CMD = MCFCFM_CMD_PGERS; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(0); + if (rc==ERR_OK) + { + *(volatile __u32*) address = 0; + MCFCFM_CMD = MCFCFM_CMD_PGERSVER; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(1); + } + address += 0x800; + } + return rc; +} + +int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + ulong dest, data; + + rc = ERR_OK; + if (addr & 3) + { + debug ("Byte and Word alignment not supported\n"); + rc = ERR_ALIGN; + } + if (cnt & 3) + { + debug ("Byte and Word transfer not supported\n"); + rc = ERR_ALIGN; + } + dest = cmf_backdoor_address(addr); + while ((cnt>=4) && (rc == ERR_OK)) + { + data =*((volatile u32 *) src); + *(volatile u32*) dest = data; + MCFCFM_CMD = MCFCFM_CMD_PGM; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(0); + if (*(volatile u32*) addr != data) rc = ERR_PROG_ERROR; + src +=4; + dest +=4; + addr +=4; + cnt -=4; + } + return rc; +} + +#ifdef CFG_FLASH_PROTECTION + +int cfm_flash_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + + rc= ERR_OK; + if (prot) + { + MCFCFM_PROT |= (1<protect[sector]=1; + } + else + { + MCFCFM_PROT &= ~(1<protect[sector]=0; + } + return rc; +} + +#endif + +#endif diff --git a/board/BuS/EB+MCF-EV123/cfm_flash.h b/board/BuS/EB+MCF-EV123/cfm_flash.h new file mode 100644 index 0000000..cc8cdbd --- /dev/null +++ b/board/BuS/EB+MCF-EV123/cfm_flash.h @@ -0,0 +1,40 @@ +/* + * Basic Flash Driver for Freescale MCF 5282 internal FLASH + * + * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG + * + * 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 + */ + +#ifndef __CFM_FLASH_H_ +#define __CFM_FLASH_H_ + +#define FREESCALE_MANUFACT 0xFACFFACF +#define FREESCALE_ID_MCF5281 0x5281 +#define FREESCALE_ID_MCF5282 0x5282 + +extern void cfm_flash_print_info (flash_info_t * info); +extern int cfm_flash_erase_sector (flash_info_t * info, int sector); +extern void cfm_flash_init (flash_info_t * info); +extern int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); +#ifdef CFG_FLASH_PROTECTION +extern int cfm_flash_protect(flash_info_t * info,long sector,int prot); +#endif + +#endif diff --git a/board/BuS/EB+MCF-EV123/config.mk b/board/BuS/EB+MCF-EV123/config.mk new file mode 100644 index 0000000..9fe2fc5 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn +# +# 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 +# + +sinclude $(TOPDIR)/board/$(BOARDDIR)/textbase.mk +ifndef TEXT_BASE +TEXT_BASE = 0xFE000000 +endif diff --git a/board/BuS/EB+MCF-EV123/flash.c b/board/BuS/EB+MCF-EV123/flash.c new file mode 100644 index 0000000..a5d621c --- /dev/null +++ b/board/BuS/EB+MCF-EV123/flash.c @@ -0,0 +1,413 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG + * + * Based On + * 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 +#include "cfm_flash.h" + +#define PHYS_FLASH_1 CFG_FLASH_BASE +#define FLASH_BANK_SIZE 0x200000 + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +void flash_print_info (flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case (AMD_MANUFACT & FLASH_VENDMASK): + printf ("AMD: "); + switch (info->flash_id & FLASH_TYPEMASK) { + case (AMD_ID_LV160B & FLASH_TYPEMASK): + printf ("AM29LV160B (16Bit)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } + break; + case FREESCALE_MANUFACT & FLASH_VENDMASK: + cfm_flash_print_info (info); + break; + default: + printf ("Unknown Vendor "); + break; + } + + puts (" Size: "); + if ((info->size >> 20) > 0) + { + printf ("%ld MiB",info->size >> 20); + } + else + { + printf ("%ld KiB",info->size >> 10); + } + printf (" in %d Sectors\n", info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; i++) { + if ((i % 4) == 0) { + printf ("\n "); + } + printf ("%02d: %08lX%s ", i,info->start[i], + info->protect[i] ? " P" : " "); + } + printf ("\n\n"); +} + +unsigned long flash_init (void) +{ + int i, j; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + ulong flashbase = 0; + + switch (i) + { + case 1: + flash_info[i].flash_id = + (AMD_MANUFACT & FLASH_VENDMASK) | + (AMD_ID_LV160B & FLASH_TYPEMASK); + flash_info[i].size = FLASH_BANK_SIZE; + flash_info[i].sector_count = CFG_MAX_FLASH_SECT; + memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT); + flashbase = PHYS_FLASH_1; + for (j = 0; j < flash_info[i].sector_count; j++) { + if (j == 0) { + /* 1st is 16 KiB */ + flash_info[i].start[j] = flashbase; + } + if ((j >= 1) && (j <= 2)) { + /* 2nd and 3rd are 8 KiB */ + flash_info[i].start[j] = + flashbase + 0x4000 + 0x2000 * (j - 1); + } + if (j == 3) { + /* 4th is 32 KiB */ + flash_info[i].start[j] = flashbase + 0x8000; + } + if ((j >= 4) && (j <= 34)) { + /* rest is 256 KiB */ + flash_info[i].start[j] = + flashbase + 0x10000 + 0x10000 * (j - 4); + } + } + break; + case 0: + cfm_flash_init (&flash_info[i]); + break; + default: + panic ("configured to many flash banks!\n"); + } + + size += flash_info[i].size; + } + + flash_protect (FLAG_PROTECT_SET, + CFG_FLASH_BASE, + CFG_FLASH_BASE + 0xffff, &flash_info[0]); + + return size; +} + +#define CMD_READ_ARRAY 0x00F0 +#define CMD_UNLOCK1 0x00AA +#define CMD_UNLOCK2 0x0055 +#define CMD_ERASE_SETUP 0x0080 +#define CMD_ERASE_CONFIRM 0x0030 +#define CMD_PROGRAM 0x00A0 +#define CMD_UNLOCK_BYPASS 0x0020 + +#define MEM_FLASH_ADDR1 (*(volatile u16 *)(info->start[0] + (0x00000555<<1))) +#define MEM_FLASH_ADDR2 (*(volatile u16 *)(info->start[0] + (0x000002AA<<1))) + + +#define BIT_ERASE_DONE 0x0080 +#define BIT_RDY_MASK 0x0080 +#define BIT_PROGRAM_ERROR 0x0020 +#define BIT_TIMEOUT 0x80000000 /* our flag */ + +#define ERR_READY -1 + +int amd_flash_erase_sector(flash_info_t * info, int sector) +{ + int state; + ulong result; + + volatile u16 *addr = + (volatile u16 *) (info->start[sector]); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + *addr = CMD_ERASE_CONFIRM; + + /* wait until flash is ready */ + state = 0; + set_timer (0); + + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CFG_FLASH_ERASE_TOUT) { + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + state = ERR_TIMOUT; + } + + if (!state && (result & 0xFFFF) & BIT_ERASE_DONE) + state = ERR_READY; + } + while (!state); + if (state == ERR_READY) + state = ERR_OK; + + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + + return state; +} + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int iflag, cflag; + int sector; + int rc; + + rc = ERR_OK; + + if (info->flash_id == FLASH_UNKNOWN) + { + rc = ERR_UNKNOWN_FLASH_TYPE; + } /* (info->flash_id == FLASH_UNKNOWN) */ + + if ((s_first < 0) || (s_first > s_last) || s_last >= info->sector_count) + { + rc = ERR_INVAL; + } + + cflag = icache_status (); + icache_disable (); + iflag = disable_interrupts (); + + for (sector = s_first; (sector <= s_last) && (rc == ERR_OK); sector++) { + + if (info->protect[sector]) + { + putc('P'); /* protected sector will not erase */ + } + else + { + /* erase on unprotected sector */ + puts("E\b"); + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_erase_sector(info,sector); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_erase_sector(info,sector); + break; + default: + return ERR_UNKNOWN_FLASH_VENDOR; + } + putc('.'); + } + } + if (rc!=ERR_OK) + { + printf ("\n "); + flash_perror (rc); + } + else + { + printf (" done\n"); + } + + udelay (10000); /* allow flash to settle - wait 10 ms */ + + if (iflag) + enable_interrupts (); + + if (cflag) + icache_enable (); + + return rc; +} + +volatile static int amd_write_word (flash_info_t * info, ulong dest, u16 data) +{ + volatile u16 *addr; + ulong result; + int cflag, iflag; + int state; + + /* + * Check if Flash is (sufficiently) erased + */ + addr = (volatile u16 *) dest; + + result = *addr; + if ((result & data) != data) + return ERR_NOT_ERASED; + + /* + * Disable interrupts which might cause a timeout + * here. Remember that our exception vectors are + * at address 0 in the flash, and we don't want a + * (ticker) exception to happen while the flash + * chip is in programming mode. + */ + + cflag = icache_status (); + icache_disable (); + iflag = disable_interrupts (); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_PROGRAM; + *addr = data; + + /* arm simple, non interrupt dependent timer */ + set_timer (0); + + /* wait until flash is ready */ + state = 0; + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CFG_FLASH_ERASE_TOUT) { + state = ERR_TIMOUT; + } + if (!state && ((result & BIT_RDY_MASK) == (data & BIT_RDY_MASK))) + state = ERR_READY; + + } while (!state); + + *addr = CMD_READ_ARRAY; + + if (state == ERR_READY) + state = ERR_OK; + if ((*addr != data) && (state != ERR_TIMOUT)) + state = ERR_PROG_ERROR; + + if (iflag) + enable_interrupts (); + + if (cflag) + icache_enable (); + + return state; +} + +int amd_flash_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + ulong dest; + u16 data; + + rc = ERR_OK; + if (addr & 1) + { + debug ("Byte alignment not supported\n"); + rc = ERR_ALIGN; + } + if (cnt & 1) + { + debug ("Byte transfer not supported\n"); + rc = ERR_ALIGN; + } + + dest = addr; + while ((cnt>=2) && (rc == ERR_OK)) + { + data =*((volatile u16 *) src); + rc=amd_write_word (info,dest,data); + src +=2; + dest +=2; + cnt -=2; + } + return rc; +} + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_write_buff(info,src,addr,cnt); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_write_buff(info,src,addr,cnt); + break; + default: + rc = ERR_UNKNOWN_FLASH_VENDOR; + } + return rc; + +} +int amd_flash_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + rc= ERR_OK; + if (prot) + { + info->protect[sector]=1; + } + else + { + info->protect[sector]=0; + } + return rc; +} + +#ifdef CFG_FLASH_PROTECTION + +int flash_real_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_protect(info,sector,prot); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_protect(info,sector,prot); + break; + default: + rc = ERR_UNKNOWN_FLASH_VENDOR; + } + return rc; +} + +#endif diff --git a/board/BuS/EB+MCF-EV123/textbase.mk b/board/BuS/EB+MCF-EV123/textbase.mk new file mode 100644 index 0000000..10106f4 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/textbase.mk @@ -0,0 +1 @@ +TEXT_BASE = 0xF0000000 diff --git a/board/BuS/EB+MCF-EV123/u-boot.lds b/board/BuS/EB+MCF-EV123/u-boot.lds new file mode 100644 index 0000000..d790018 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/u-boot.lds @@ -0,0 +1,141 @@ +/* + * (C) Copyright 2000-2003 + * 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 + */ + +OUTPUT_ARCH(m68k) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf52x2/start.o (.text) + common/dlmalloc.o (.text) + lib_generic/string.o (.text) + lib_generic/vsprintf.o (.text) + lib_generic/crc32.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset; */ + common/environment.o(.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _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 : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/config.mk b/config.mk index dfbb1b7..6bf00a3 100644 --- a/config.mk +++ b/config.mk @@ -112,7 +112,7 @@ OBJDUMP = $(CROSS_COMPILE)objdump RANLIB = $(CROSS_COMPILE)RANLIB RELFLAGS= $(PLATFORM_RELFLAGS) -DBGFLAGS= -g #-DDEBUG +DBGFLAGS= -g # -DDEBUG OPTFLAGS= -Os #-fomit-frame-pointer ifndef LDSCRIPT #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c index 32a524f..8795bcc 100644 --- a/cpu/mcf52x2/cpu.c +++ b/cpu/mcf52x2/cpu.c @@ -2,6 +2,10 @@ * (C) Copyright 2003 * Josef Baumgartner * + * MCF5282 additionals + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co. KG + * * See file CREDITS for list of people who contributed to this * project. * @@ -31,7 +35,8 @@ #endif #ifdef CONFIG_M5282 - +#include +#include #endif #ifdef CONFIG_M5249 @@ -75,7 +80,6 @@ int checkcpu(void) { return 0; }; - #if defined(CONFIG_WATCHDOG) /* Called by macro WATCHDOG_RESET */ void watchdog_reset (void) @@ -117,11 +121,26 @@ int watchdog_init (void) #ifdef CONFIG_M5282 int checkcpu (void) { - puts ("CPU: MOTOROLA Coldfire MCF5282\n"); + unsigned char resetsource; + + printf ("CPU: MOTOROLA Coldfire MCF5282 (PIN: %2.2x REV: %2.2x)\n", + MCFCCM_CIR>>8,MCFCCM_CIR & MCFCCM_CIR_PRN_MASK); + puts ("Reset: "); + resetsource = MCFRESET_RSR; + if (resetsource & MCFRESET_RSR_LOL) puts("Lose-of-lock "); + if (resetsource & MCFRESET_RSR_LOC) puts("Lose-of-clock "); + if (resetsource & MCFRESET_RSR_EXT) puts("external "); + if (resetsource & MCFRESET_RSR_POR) puts("Power-on "); + if (resetsource & MCFRESET_RSR_WDR) puts("Watchdog "); + if (resetsource & MCFRESET_RSR_SOFT) puts("Software "); + if (resetsource & MCFRESET_RSR_LVD) puts("Low-voltage "); + puts("\n"); return 0; } -int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) { +int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +{ + MCFRESET_RCR = MCFRESET_RCR_SOFTRST; return 0; }; #endif diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 350c431..0fa2ce2 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -2,6 +2,10 @@ * (C) Copyright 2003 * Josef Baumgartner * + * MCF5282 additionals + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co. KG + * * See file CREDITS for list of people who contributed to this * project. * @@ -135,7 +139,180 @@ int cpu_init_r (void) */ void cpu_init_f (void) { +#ifndef CONFIG_WATCHDOG + /* disable watchdog if we aren't using it */ + MCFWTM_WCR = 0; +#endif + +#ifndef CONFIG_MONITOR_IS_IN_RAM + /* Set speed /PLL */ + MCFCLOCK_SYNCR = MCFCLOCK_SYNCR_MFD(CFG_MFD) | MCFCLOCK_SYNCR_RFD(CFG_RFD); + + /* Set up the GPIO ports */ +#ifdef CFG_PEPAR + MCFGPIO_PEPAR = CFG_PEPAR; +#endif +#ifdef CFG_PFPAR + MCFGPIO_PFPAR = CFG_PFPAR; +#endif +#ifdef CFG_PJPAR + MCFGPIO_PJPAR = CFG_PJPAR; +#endif +#ifdef CFG_PSDPAR + MCFGPIO_PSDPAR = CFG_PSDPAR; +#endif +#ifdef CFG_PASPAR + MCFGPIO_PASPAR = CFG_PASPAR; +#endif +#ifdef CFG_PEHLPAR + MCFGPIO_PEHLPAR = CFG_PEHLPAR; +#endif +#ifdef CFG_PQSPAR + MCFGPIO_PQSPAR = CFG_PQSPAR; +#endif +#ifdef CFG_PTCPAR + MCFGPIO_PTCPAR = CFG_PTCPAR; +#endif +#ifdef CFG_PTDPAR + MCFGPIO_PTDPAR = CFG_PTDPAR; +#endif +#ifdef CFG_PUAPAR + MCFGPIO_PUAPAR = CFG_PUAPAR; +#endif + +#ifdef CFG_DDRUA + MCFGPIO_DDRUA = CFG_DDRUA; +#endif + + /* This is probably a bad place to setup chip selects, but everyone + else is doing it! */ + +#if defined(CFG_CS0_BASE) & defined(CFG_CS0_SIZE) & \ + defined(CFG_CS0_WIDTH) & defined(CFG_CS0_RO) & \ + defined(CFG_CS0_WS) + + MCFCSM_CSAR0 = (CFG_CS0_BASE >> 16) & 0xFFFF; + + #if (CFG_CS0_WIDTH == 8) + #define CFG_CS0_PS MCFCSM_CSCR_PS_8 + #elif (CFG_CS0_WIDTH == 16) + #define CFG_CS0_PS MCFCSM_CSCR_PS_16 + #elif (CFG_CS0_WIDTH == 32) + #define CFG_CS0_PS MCFCSM_CSCR_PS_32 + #else + #error "CFG_CS0_WIDTH: Fault - wrong bus with for CS0" + #endif + MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CFG_CS0_WS) + |CFG_CS0_PS + |MCFCSM_CSCR_AA; + + #if (CFG_CS0_RO != 0) + MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1) + |MCFCSM_CSMR_WP|MCFCSM_CSMR_V; + #else + MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CFG_CS0_SIZE-1)|MCFCSM_CSMR_V; + #endif +#else + #waring "Chip Select 0 are not initialized/used" +#endif + +#if defined(CFG_CS1_BASE) & defined(CFG_CS1_SIZE) & \ + defined(CFG_CS1_WIDTH) & defined(CFG_CS1_RO) & \ + defined(CFG_CS1_WS) + + MCFCSM_CSAR1 = (CFG_CS1_BASE >> 16) & 0xFFFF; + + #if (CFG_CS1_WIDTH == 8) + #define CFG_CS1_PS MCFCSM_CSCR_PS_8 + #elif (CFG_CS1_WIDTH == 16) + #define CFG_CS1_PS MCFCSM_CSCR_PS_16 + #elif (CFG_CS1_WIDTH == 32) + #define CFG_CS1_PS MCFCSM_CSCR_PS_32 + #else + #error "CFG_CS1_WIDTH: Fault - wrong bus with for CS1" + #endif + MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CFG_CS1_WS) + |CFG_CS1_PS + |MCFCSM_CSCR_AA; + + #if (CFG_CS1_RO != 0) + MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1) + |MCFCSM_CSMR_WP + |MCFCSM_CSMR_V; + #else + MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CFG_CS1_SIZE-1) + |MCFCSM_CSMR_V; + #endif +#else + #warning "Chip Select 1 are not initialized/used" +#endif + +#if defined(CFG_CS2_BASE) & defined(CFG_CS2_SIZE) & \ + defined(CFG_CS2_WIDTH) & defined(CFG_CS2_RO) & \ + defined(CFG_CS2_WS) + + MCFCSM_CSAR2 = (CFG_CS2_BASE >> 16) & 0xFFFF; + + #if (CFG_CS2_WIDTH == 8) + #define CFG_CS2_PS MCFCSM_CSCR_PS_8 + #elif (CFG_CS2_WIDTH == 16) + #define CFG_CS2_PS MCFCSM_CSCR_PS_16 + #elif (CFG_CS2_WIDTH == 32) + #define CFG_CS2_PS MCFCSM_CSCR_PS_32 + #else + #error "CFG_CS2_WIDTH: Fault - wrong bus with for CS2" + #endif + MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CFG_CS2_WS) + |CFG_CS2_PS + |MCFCSM_CSCR_AA; + + #if (CFG_CS2_RO != 0) + MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1) + |MCFCSM_CSMR_WP + |MCFCSM_CSMR_V; + #else + MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CFG_CS2_SIZE-1) + |MCFCSM_CSMR_V; + #endif +#else + #warning "Chip Select 2 are not initialized/used" +#endif + +#if defined(CFG_CS3_BASE) & defined(CFG_CS3_SIZE) & \ + defined(CFG_CS3_WIDTH) & defined(CFG_CS3_RO) & \ + defined(CFG_CS3_WS) + + MCFCSM_CSAR3 = (CFG_CS3_BASE >> 16) & 0xFFFF; + + #if (CFG_CS3_WIDTH == 8) + #define CFG_CS3_PS MCFCSM_CSCR_PS_8 + #elif (CFG_CS3_WIDTH == 16) + #define CFG_CS3_PS MCFCSM_CSCR_PS_16 + #elif (CFG_CS3_WIDTH == 32) + #define CFG_CS3_PS MCFCSM_CSCR_PS_32 + #else + #error "CFG_CS3_WIDTH: Fault - wrong bus with for CS1" + #endif + MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CFG_CS3_WS) + |CFG_CS3_PS + |MCFCSM_CSCR_AA; + + #if (CFG_CS3_RO != 0) + MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1) + |MCFCSM_CSMR_WP + |MCFCSM_CSMR_V; + #else + MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CFG_CS3_SIZE-1) + |MCFCSM_CSMR_V; + #endif +#else + #warning "Chip Select 3 are not initialized/used" +#endif + +#endif /* CONFIG_MONITOR_IS_IN_RAM */ + /* defer enabling cache until boot (see do_go) */ + /* icache_enable(); */ } /* diff --git a/cpu/mcf52x2/fec.c b/cpu/mcf52x2/fec.c index a5c50af..b8b82d0 100644 --- a/cpu/mcf52x2/fec.c +++ b/cpu/mcf52x2/fec.c @@ -200,7 +200,9 @@ int eth_rx (void) int eth_init (bd_t * bd) { - +#ifndef CFG_ENET_BD_BASE + DECLARE_GLOBAL_DATA_PTR; +#endif int i; volatile fec_t *fecp = (fec_t *) (FEC_ADDR); @@ -242,9 +244,13 @@ int eth_init (bd_t * bd) /* Clear multicast address hash table */ +#ifdef CONFIG_M5282 + fecp->fec_ihash_table_high = 0; + fecp->fec_ihash_table_low = 0; +#else fecp->fec_hash_table_high = 0; fecp->fec_hash_table_low = 0; - +#endif /* Set maximum receive buffer size. */ fecp->fec_r_buff_size = PKT_MAXBLR_SIZE; @@ -256,7 +262,16 @@ int eth_init (bd_t * bd) txIdx = 0; if (!rtx) { +#ifdef CFG_ENET_BD_BASE rtx = (RTXBD *) CFG_ENET_BD_BASE; +#else + rtx = (RTXBD *) (CFG_MONITOR_BASE+gd->reloc_off - + (((PKTBUFSRX+TX_BUF_CNT)*+sizeof(cbd_t) + +0xFF) + & ~0xFF) + ); + debug("set ENET_DB_BASE to %lX\n",(long) rtx); +#endif } /* @@ -294,11 +309,13 @@ int eth_init (bd_t * bd) fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE; fecp->fec_x_cntrl = FEC_TCNTRL_FDEN; #else /* Half duplex mode */ - fecp->fec_r_cntrl = FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT; + fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16); /* set max frame length */ + fecp->fec_r_cntrl |= FEC_RCNTRL_MII_MODE | FEC_RCNTRL_DRT; fecp->fec_x_cntrl = 0; #endif /* Set MII speed */ - fecp->fec_mii_speed = 0x0e; + fecp->fec_mii_speed = (((CFG_CLK / 2) / (2500000 / 10)) + 5) / 10; + fecp->fec_mii_speed *= 2; /* Configure port B for MII. */ @@ -402,7 +419,7 @@ static void mii_discover_phy (void) */ udelay (10000); /* wait 10ms */ } - for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) { + for (phyno = 1; phyno < 32 && phyaddr < 0; ++phyno) { phytype = mii_send (mk_mii_read (phyno, PHY_PHYIDR1)); #ifdef ET_DEBUG printf ("PHY type 0x%x pass %d type ", phytype, pass); diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c index 79628d0..fe412a0 100644 --- a/cpu/mcf52x2/serial.c +++ b/cpu/mcf52x2/serial.c @@ -65,6 +65,28 @@ void rs_serial_setbaudrate(int port,int baudrate) uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */ uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */ #endif +#if defined(CONFIG_M5282) + volatile unsigned char *uartp; + long clock; + + switch (port) + { + case 1: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + break; + case 2: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); + break; + default: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); + } + + clock = (long) CFG_CLK / ((long) 32 * baudrate); /* Set baud above */ + + uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */ + uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */ + +#endif }; void rs_serial_init(int port,int baudrate) @@ -74,10 +96,19 @@ void rs_serial_init(int port,int baudrate) /* * Reset UART, get it into known state... */ - if (port == 0) - uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); - else - uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + switch (port) + { + case 1: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + break; + #if defined(CONFIG_M5282) + case 2: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); + break; + #endif + default: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); + } uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index b4926e2..9a13491 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -54,8 +54,12 @@ * These vectors are to catch any un-intended traps. */ _vectors: - -.long 0x00000000, _START + .long 0x00000000 +#ifndef CONFIG_M5282 +.long _START +#else +.long _start - TEXT_BASE +#endif .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT @@ -96,20 +100,23 @@ _vectors: .text + +#if defined(CFG_INT_FLASH_BASE) && \ + (defined(CONFIG_M5282) || defined(CONFIG_M5281)) + #if (TEXT_BASE == CFG_INT_FLASH_BASE) + .long 0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */ + .long 0xFFFFFFFF /* all sectors protected */ + .long 0x00000000 /* supervisor/User restriction */ + .long 0x00000000 /* programm/data space restriction */ + .long 0x00000000 /* Flash security */ + #endif +#endif .globl _start _start: nop nop move.w #0x2700,%sr - /* if we come from a pre-loader we have no exception table and - * therefore no VBR to set - */ -#if !defined(CONFIG_MONITOR_IS_IN_RAM) - move.l #CFG_FLASH_BASE, %d0 - movec %d0, %VBR -#endif - #if defined(CONFIG_M5272) || defined(CONFIG_M5249) move.l #(CFG_MBAR + 1), %d0 /* set MBAR address + valid flag */ move.c %d0, %MBAR @@ -129,13 +136,43 @@ _start: move.l #(CFG_MBAR + 1), %d0 /* set IPSBAR address + valid flag */ move.l %d0, 0x40000000 + /* Initialize RAMBAR1: locate SRAM and validate it */ + move.l #(CFG_INIT_RAM_ADDR + 0x21), %d0 + movec %d0, %RAMBAR1 + +#if (TEXT_BASE == CFG_INT_FLASH_BASE) + /* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */ + + move.l #(_flashbar_setup-CFG_INT_FLASH_BASE), %a0 + move.l #(_flashbar_setup_end-CFG_INT_FLASH_BASE), %a1 + move.l #(CFG_INIT_RAM_ADDR), %a2 +_copy_flash: + move.l (%a0)+, (%a2)+ + cmp.l %a0, %a1 + bgt.s _copy_flash + jmp CFG_INIT_RAM_ADDR + +_flashbar_setup: /* Initialize FLASHBAR: locate internal Flash and validate it */ move.l #(CFG_INT_FLASH_BASE + 0x21), %d0 movec %d0, %RAMBAR0 + jmp _after_flashbar_copy.L /* Force jump to absolute address */ +_flashbar_setup_end: + nop +_after_flashbar_copy: +#else + /* Setup code to initialize FLASHBAR, if start from external Memory */ + move.l #(CFG_INT_FLASH_BASE + 0x21), %d0 + movec %d0, %RAMBAR0 +#endif /* (TEXT_BASE == CFG_INT_FLASH_BASE) */ - /* Initialize RAMBAR1: locate SRAM and validate it */ - move.l #(CFG_INIT_RAM_ADDR + 0x21), %d0 - movec %d0, %RAMBAR1 +#endif + /* if we come from a pre-loader we have no exception table and + * therefore no VBR to set + */ +#if !defined(CONFIG_MONITOR_IS_IN_RAM) + move.l #CFG_FLASH_BASE, %d0 + movec %d0, %VBR #endif /* invalidate and disable cache */ @@ -157,7 +194,6 @@ _start: /* board_init_f() does not return /*------------------------------------------------------------------------------*/ - /* * void relocate_code (addr_sp, gd, addr_moni) * @@ -180,7 +216,6 @@ relocate_code: move.l #CFG_MONITOR_BASE, %a1 move.l #__init_end, %a2 move.l %a0, %a3 - /* copy the code to RAM */ 1: move.l (%a1)+, (%a3)+ @@ -191,14 +226,14 @@ relocate_code: * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - move.l %a0, %a1 + move.l %a0, %a1 add.l #(in_ram - CFG_MONITOR_BASE), %a1 jmp (%a1) in_ram: clear_bss: - /* + /* * Now clear BSS segment */ move.l %a0, %a1 @@ -228,6 +263,23 @@ clear_bss: cmp.l %a2, %a1 bne 7b +#if defined(CONFIG_M5281) || defined(CONFIG_M5282) + /* patch the 3 accesspoints to 3 ichache_state */ + /* quick and dirty */ + + move.l %a0,%d1 + add.l #(icache_state - CFG_MONITOR_BASE),%d1 + move.l %a0,%a1 + add.l #(icache_state_access_1+2 - CFG_MONITOR_BASE),%a1 + move.l %d1,(%a1) + move.l %a0,%a1 + add.l #(icache_state_access_2+2 - CFG_MONITOR_BASE),%a1 + move.l %d1,(%a1) + move.l %a0,%a1 + add.l #(icache_state_access_3+2 - CFG_MONITOR_BASE),%a1 + move.l %d1,(%a1) +#endif + /* calculate relative jump to board_init_r in ram */ move.l %a0, %a1 add.l #(board_init_r - CFG_MONITOR_BASE), %a1 @@ -235,6 +287,10 @@ clear_bss: /* set parameters for board_init_r */ move.l %a0,-(%sp) /* dest_addr */ move.l %d0,-(%sp) /* gd */ + #if defined(DEBUG) && (TEXT_BASE != CFG_INT_FLASH_BASE) && \ + defined(CFG_HALT_BEFOR_RAM_JUMP) + halt + #endif jsr (%a1) /*------------------------------------------------------------------------------*/ @@ -289,6 +345,7 @@ icache_enable: move.l #0x80400100, %d0 /* Setup cache mask, data cache disabel*/ movec %d0, %CACR /* Enable cache */ moveq #1, %d0 +icache_state_access_1: move.l %d0, icache_state rts #endif @@ -323,18 +380,19 @@ icache_disable: movec %d0, %ACR0 /* Enable cache */ movec %d0, %ACR1 /* Enable cache */ moveq #0, %d0 +icache_state_access_2: move.l %d0, icache_state rts .globl icache_status icache_status: +icache_state_access_3: move.l icache_state, %d0 rts .data icache_state: - .long 1 - + .long 0 /* cache is diabled on inirialization */ /*------------------------------------------------------------------------------*/ diff --git a/doc/README.m68k b/doc/README.m68k index d5accdd..6dea2b5 100644 --- a/doc/README.m68k +++ b/doc/README.m68k @@ -1,7 +1,12 @@ U-Boot for Motorola M68K -Last Update: January 12, 2004 +==================================================================== +History + +August 08,2005; Jens Scharsig + MCF5282 implementation without preloader +January 12, 2004; ==================================================================== This file contains status information for the port of U-Boot to the @@ -33,16 +38,8 @@ CPU specific code is located in: cpu/mcf52x2 ----------------------------- CPU specific code is located in: cpu/mcf52x2 -At the moment the code isn't fully implemented and still needs a pre-loader! -The preloader must initialize the processor and then start u-boot. The board -must be configured for a pre-loader (see 4.1) - -For the preloader, please see -http://mailman.uclinux.org/pipermail/uclinux-dev/2003-December/023384.html - -U-boot is configured to run at 0x20000 at default. This can be configured by -change TEXT_BASE in board/m5282evb/config.mk and CFG_MONITOR_BASE in -include/configs/M5282EVB.h. +The MCF5282 Port no longer needs a preloader and can place in external or +internal FLASH. 3. SUPPORTED BOARDs @@ -67,6 +64,27 @@ Board specific code is located in: board/m5282evb To configure the board, type: make M5272C3_config +At the moment the code isn't fully implemented and still needs a pre-loader! +The preloader must initialize the processor and then start u-boot. The board +must be configured for a pre-loader (see 4.1) + +For the preloader, please see +http://mailman.uclinux.org/pipermail/uclinux-dev/2003-December/023384.html + +U-boot is configured to run at 0x20000 at default. This can be configured by +change TEXT_BASE in board/m5282evb/config.mk and CFG_MONITOR_BASE in +include/configs/M5282EVB.h. + +3.2 BuS EB+MCF-EV123 +--------------------- + +Board specific code is located in: board/bus/EB+MCF-EV123 + +To configure the board, type: + +make EB+MCF-EV123_config for external FLASH +make EB+MCF-EV123_internal_config for internal FLASH + 4. CONFIGURATION OPTIONS/SETTINGS ---------------------------------- @@ -80,7 +98,6 @@ be compiled in. The start address of u-boot must be adjusted in the boards config header file (CFG_MONITOR_BASE) and Makefile (TEXT_BASE) to the load address. - 4.1 MCF5272 specific Options/Settings ------------------------------------- @@ -123,14 +140,27 @@ CFG_INT_FLASH_BASE CFG_ENET_BD_BASE -- defines the base addres of the FEC buffer descriptors +CFG_MFD + -- defines the PLL Multiplication Factor Devider + (see table 9-4 of MCF user manual) +CFG_RFD -- defines the PLL Reduce Frecuency Devider + (see table 9-4 of MCF user manual) + +CFG_CSx_BASE -- defines the base address of chip select x +CFG_CSx_SIZE -- defines the memory size (address range) of chip select x +CFG_CSx_WIDTH -- defines the bus with of chip select x +CFG_CSx_RO -- if set to 0 chip select x is read/wirte + else chipselct is read only +CFG_CSx_WS -- defines the number of wait states of chip select x + +CFG_PxDDR -- defines the contents of the Data Direction Registers +CFG_PxDAT -- defines the contents of the Data Registers +CFG_PXCNT -- defines the contents of the Port Configuration Registers + +CFG_PxPAR -- defines the function of ports + 5. COMPILER ----------- To create U-Boot the gcc-2.95.3 compiler set (m68k-elf-20030314) from uClinux.org was used. You can download it from: http://www.uclinux.org/pub/uClinux/m68k-elf-tools/ - - -Regards, - -Josef - diff --git a/include/asm-m68k/immap_5282.h b/include/asm-m68k/immap_5282.h index f2b77db..a95912f 100644 --- a/include/asm-m68k/immap_5282.h +++ b/include/asm-m68k/immap_5282.h @@ -25,39 +25,63 @@ #ifndef __IMMAP_5282__ #define __IMMAP_5282__ +struct sys_ctrl { + uint ipsbar; + char res1[4]; + uint rambar; + char res2[4]; + uchar crsr; + uchar cwcr; + uchar lpicr; + uchar cwsr; + uint dmareqc; + char res3[4]; + uint mpark; + + /* TODO: finish these */ +}; + + /* Fast ethernet controller registers */ typedef struct fec { - uint fec_ecntrl; /* ethernet control register */ - uint fec_ievent; /* interrupt event register */ - uint fec_imask; /* interrupt mask register */ - uint fec_ivec; /* interrupt level and vector status */ - uint fec_r_des_active; /* Rx ring updated flag */ - uint fec_x_des_active; /* Tx ring updated flag */ - uint res3[10]; /* reserved */ - uint fec_mii_data; /* MII data register */ - uint fec_mii_speed; /* MII speed control register */ - uint res4[17]; /* reserved */ - uint fec_r_bound; /* end of RAM (read-only) */ - uint fec_r_fstart; /* Rx FIFO start address */ - uint res5[6]; /* reserved */ - uint fec_x_fstart; /* Tx FIFO start address */ - uint res7[21]; /* reserved */ - uint fec_r_cntrl; /* Rx control register */ - uint fec_r_hash; /* Rx hash register */ - uint res8[14]; /* reserved */ - uint fec_x_cntrl; /* Tx control register */ - uint res9[0x9e]; /* reserved */ - uint fec_addr_low; /* lower 32 bits of station address */ - uint fec_addr_high; /* upper 16 bits of station address */ - uint fec_hash_table_high; /* upper 32-bits of hash table */ - uint fec_hash_table_low; /* lower 32-bits of hash table */ - uint fec_r_des_start; /* beginning of Rx descriptor ring */ - uint fec_x_des_start; /* beginning of Tx descriptor ring */ - uint fec_r_buff_size; /* Rx buffer size */ - uint res2[9]; /* reserved */ - uchar fec_fifo[960]; /* fifo RAM */ + uint res1; /* reserved 1000*/ + uint fec_ievent; /* interrupt event register 1004*/ /* EIR */ + uint fec_imask; /* interrupt mask register 1008*/ /* EIMR */ + uint res2; /* reserved 100c*/ + uint fec_r_des_active; /* Rx ring updated flag 1010*/ /* RDAR */ + uint fec_x_des_active; /* Tx ring updated flag 1014*/ /* XDAR */ + uint res3[3]; /* reserved 1018*/ + uint fec_ecntrl; /* ethernet control register 1024*/ /* ECR */ + uint res4[6]; /* reserved 1028*/ + uint fec_mii_data; /* MII data register 1040*/ /* MDATA */ + uint fec_mii_speed; /* MII speed control register 1044*/ /* MSCR */ + /*1044*/ + uint res5[7]; /* reserved 1048*/ + uint fec_mibc; /* MIB Control/Status register 1064*/ /* MIBC */ + uint res6[7]; /* reserved 1068*/ + uint fec_r_cntrl; /* Rx control register 1084*/ /* RCR */ + uint res7[15]; /* reserved 1088*/ + uint fec_x_cntrl; /* Tx control register 10C4*/ /* TCR */ + uint res8[7]; /* reserved 10C8*/ + uint fec_addr_low; /* lower 32 bits of station address */ /* PALR */ + uint fec_addr_high; /* upper 16 bits of station address */ /* PAUR */ + uint fec_opd; /* opcode + pause duration 10EC*/ /* OPD */ + uint res9[10]; /* reserved 10F0*/ + uint fec_ihash_table_high; /* upper 32-bits of individual hash *//* IAUR */ + uint fec_ihash_table_low; /* lower 32-bits of individual hash *//* IALR */ + uint fec_ghash_table_high; /* upper 32-bits of group hash *//* GAUR */ + uint fec_ghash_table_low; /* lower 32-bits of group hash *//* GALR */ + uint res10[7]; /* reserved 1128*/ + uint fec_tfwr; /* Transmit FIFO watermark 1144*/ /* TFWR */ + uint res11; /* reserved 1148*/ + uint fec_r_bound; /* FIFO Receive Bound Register = end of *//* FRBR */ + uint fec_r_fstart; /* FIFO Receive FIfo Start Registers = *//* FRSR */ + uint res12[11]; /* reserved 1154*/ + uint fec_r_des_start;/* beginning of Rx descriptor ring 1180*//* ERDSR */ + uint fec_x_des_start;/* beginning of Tx descriptor ring 1184*//* ETDSR */ + uint fec_r_buff_size;/* Rx buffer size 1188*/ /* EMRBR */ } fec_t; #endif /* __IMMAP_5282__ */ diff --git a/include/asm-m68k/m5282.h b/include/asm-m68k/m5282.h index 073b0bc..e5058a4 100644 --- a/include/asm-m68k/m5282.h +++ b/include/asm-m68k/m5282.h @@ -1,9 +1,6 @@ /* * mcf5282.h -- Definitions for Motorola Coldfire 5282 * - * Based on mcf5282sim.h of uCLinux distribution: - * (C) Copyright 1999, Greg Ungerer (gerg@snapgear.com) - * * See file CREDITS for list of people who contributed to this * project. * @@ -34,27 +31,515 @@ #define INT_RAM_SIZE 65536 +/* General Purpose I/O Module GPIO */ -/* - * Define the 5282 SIM register set addresses. - */ -#define MCFICM_INTC0 0x0c00 /* Base for Interrupt Ctrl 0 */ -#define MCFICM_INTC1 0x0d00 /* Base for Interrupt Ctrl 0 */ -#define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */ -#define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */ -#define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */ -#define MCFINTC_IMRL 0x0c /* Interrupt mask 1-31 */ -#define MCFINTC_INTFRCH 0x10 /* Interrupt force 32-63 */ -#define MCFINTC_INTFRCL 0x14 /* Interrupt force 1-31 */ -#define MCFINTC_IRLR 0x18 /* */ -#define MCFINTC_IACKL 0x19 /* */ -#define MCFINTC_ICR0 0x40 /* Base ICR register */ - -#define MCFINT_UART0 13 /* Interrupt number for UART0 */ -#define MCFINT_PIT1 55 /* Interrupt number for PIT1 */ - -#define MCF5282_GPIO_PUAPAR 0x10005C +#define MCFGPIO_PORTA (*(vu_char *) (CFG_MBAR+0x100000)) +#define MCFGPIO_PORTB (*(vu_char *) (CFG_MBAR+0x100001)) +#define MCFGPIO_PORTC (*(vu_char *) (CFG_MBAR+0x100002)) +#define MCFGPIO_PORTD (*(vu_char *) (CFG_MBAR+0x100003)) +#define MCFGPIO_PORTE (*(vu_char *) (CFG_MBAR+0x100004)) +#define MCFGPIO_PORTF (*(vu_char *) (CFG_MBAR+0x100005)) +#define MCFGPIO_PORTG (*(vu_char *) (CFG_MBAR+0x100006)) +#define MCFGPIO_PORTH (*(vu_char *) (CFG_MBAR+0x100007)) +#define MCFGPIO_PORTJ (*(vu_char *) (CFG_MBAR+0x100008)) +#define MCFGPIO_PORTDD (*(vu_char *) (CFG_MBAR+0x100009)) +#define MCFGPIO_PORTEH (*(vu_char *) (CFG_MBAR+0x10000A)) +#define MCFGPIO_PORTEL (*(vu_char *) (CFG_MBAR+0x10000B)) +#define MCFGPIO_PORTAS (*(vu_char *) (CFG_MBAR+0x10000C)) +#define MCFGPIO_PORTQS (*(vu_char *) (CFG_MBAR+0x10000D)) +#define MCFGPIO_PORTSD (*(vu_char *) (CFG_MBAR+0x10000E)) +#define MCFGPIO_PORTTC (*(vu_char *) (CFG_MBAR+0x10000F)) +#define MCFGPIO_PORTTD (*(vu_char *) (CFG_MBAR+0x100010)) +#define MCFGPIO_PORTUA (*(vu_char *) (CFG_MBAR+0x100011)) + +#define MCFGPIO_DDRA (*(vu_char *) (CFG_MBAR+0x100014)) +#define MCFGPIO_DDRB (*(vu_char *) (CFG_MBAR+0x100015)) +#define MCFGPIO_DDRC (*(vu_char *) (CFG_MBAR+0x100016)) +#define MCFGPIO_DDRD (*(vu_char *) (CFG_MBAR+0x100017)) +#define MCFGPIO_DDRE (*(vu_char *) (CFG_MBAR+0x100018)) +#define MCFGPIO_DDRF (*(vu_char *) (CFG_MBAR+0x100019)) +#define MCFGPIO_DDRG (*(vu_char *) (CFG_MBAR+0x10001A)) +#define MCFGPIO_DDRH (*(vu_char *) (CFG_MBAR+0x10001B)) +#define MCFGPIO_DDRJ (*(vu_char *) (CFG_MBAR+0x10001C)) +#define MCFGPIO_DDRDD (*(vu_char *) (CFG_MBAR+0x10001D)) +#define MCFGPIO_DDREH (*(vu_char *) (CFG_MBAR+0x10001E)) +#define MCFGPIO_DDREL (*(vu_char *) (CFG_MBAR+0x10001F)) +#define MCFGPIO_DDRAS (*(vu_char *) (CFG_MBAR+0x100020)) +#define MCFGPIO_DDRQS (*(vu_char *) (CFG_MBAR+0x100021)) +#define MCFGPIO_DDRSD (*(vu_char *) (CFG_MBAR+0x100022)) +#define MCFGPIO_DDRTC (*(vu_char *) (CFG_MBAR+0x100023)) +#define MCFGPIO_DDRTD (*(vu_char *) (CFG_MBAR+0x100024)) +#define MCFGPIO_DDRUA (*(vu_char *) (CFG_MBAR+0x100025)) + +#define MCFGPIO_PORTAP (*(vu_char *) (CFG_MBAR+0x100028)) +#define MCFGPIO_PORTBP (*(vu_char *) (CFG_MBAR+0x100029)) +#define MCFGPIO_PORTCP (*(vu_char *) (CFG_MBAR+0x10002A)) +#define MCFGPIO_PORTDP (*(vu_char *) (CFG_MBAR+0x10002B)) +#define MCFGPIO_PORTEP (*(vu_char *) (CFG_MBAR+0x10002C)) +#define MCFGPIO_PORTFP (*(vu_char *) (CFG_MBAR+0x10002D)) +#define MCFGPIO_PORTGP (*(vu_char *) (CFG_MBAR+0x10002E)) +#define MCFGPIO_PORTHP (*(vu_char *) (CFG_MBAR+0x10002F)) +#define MCFGPIO_PORTJP (*(vu_char *) (CFG_MBAR+0x100030)) +#define MCFGPIO_PORTDDP (*(vu_char *) (CFG_MBAR+0x100031)) +#define MCFGPIO_PORTEHP (*(vu_char *) (CFG_MBAR+0x100032)) +#define MCFGPIO_PORTELP (*(vu_char *) (CFG_MBAR+0x100033)) +#define MCFGPIO_PORTASP (*(vu_char *) (CFG_MBAR+0x100034)) +#define MCFGPIO_PORTQSP (*(vu_char *) (CFG_MBAR+0x100035)) +#define MCFGPIO_PORTSDP (*(vu_char *) (CFG_MBAR+0x100036)) +#define MCFGPIO_PORTTCP (*(vu_char *) (CFG_MBAR+0x100037)) +#define MCFGPIO_PORTTDP (*(vu_char *) (CFG_MBAR+0x100038)) +#define MCFGPIO_PORTUAP (*(vu_char *) (CFG_MBAR+0x100039)) + +#define MCFGPIO_SETA (*(vu_char *) (CFG_MBAR+0x100028)) +#define MCFGPIO_SETB (*(vu_char *) (CFG_MBAR+0x100029)) +#define MCFGPIO_SETC (*(vu_char *) (CFG_MBAR+0x10002A)) +#define MCFGPIO_SETD (*(vu_char *) (CFG_MBAR+0x10002B)) +#define MCFGPIO_SETE (*(vu_char *) (CFG_MBAR+0x10002C)) +#define MCFGPIO_SETF (*(vu_char *) (CFG_MBAR+0x10002D)) +#define MCFGPIO_SETG (*(vu_char *) (CFG_MBAR+0x10002E)) +#define MCFGPIO_SETH (*(vu_char *) (CFG_MBAR+0x10002F)) +#define MCFGPIO_SETJ (*(vu_char *) (CFG_MBAR+0x100030)) +#define MCFGPIO_SETDD (*(vu_char *) (CFG_MBAR+0x100031)) +#define MCFGPIO_SETEH (*(vu_char *) (CFG_MBAR+0x100032)) +#define MCFGPIO_SETEL (*(vu_char *) (CFG_MBAR+0x100033)) +#define MCFGPIO_SETAS (*(vu_char *) (CFG_MBAR+0x100034)) +#define MCFGPIO_SETQS (*(vu_char *) (CFG_MBAR+0x100035)) +#define MCFGPIO_SETSD (*(vu_char *) (CFG_MBAR+0x100036)) +#define MCFGPIO_SETTC (*(vu_char *) (CFG_MBAR+0x100037)) +#define MCFGPIO_SETTD (*(vu_char *) (CFG_MBAR+0x100038)) +#define MCFGPIO_SETUA (*(vu_char *) (CFG_MBAR+0x100039)) + +#define MCFGPIO_CLRA (*(vu_char *) (CFG_MBAR+0x10003C)) +#define MCFGPIO_CLRB (*(vu_char *) (CFG_MBAR+0x10003D)) +#define MCFGPIO_CLRC (*(vu_char *) (CFG_MBAR+0x10003E)) +#define MCFGPIO_CLRD (*(vu_char *) (CFG_MBAR+0x10003F)) +#define MCFGPIO_CLRE (*(vu_char *) (CFG_MBAR+0x100040)) +#define MCFGPIO_CLRF (*(vu_char *) (CFG_MBAR+0x100041)) +#define MCFGPIO_CLRG (*(vu_char *) (CFG_MBAR+0x100042)) +#define MCFGPIO_CLRH (*(vu_char *) (CFG_MBAR+0x100043)) +#define MCFGPIO_CLRJ (*(vu_char *) (CFG_MBAR+0x100044)) +#define MCFGPIO_CLRDD (*(vu_char *) (CFG_MBAR+0x100045)) +#define MCFGPIO_CLREH (*(vu_char *) (CFG_MBAR+0x100046)) +#define MCFGPIO_CLREL (*(vu_char *) (CFG_MBAR+0x100047)) +#define MCFGPIO_CLRAS (*(vu_char *) (CFG_MBAR+0x100048)) +#define MCFGPIO_CLRQS (*(vu_char *) (CFG_MBAR+0x100049)) +#define MCFGPIO_CLRSD (*(vu_char *) (CFG_MBAR+0x10004A)) +#define MCFGPIO_CLRTC (*(vu_char *) (CFG_MBAR+0x10004B)) +#define MCFGPIO_CLRTD (*(vu_char *) (CFG_MBAR+0x10004C)) +#define MCFGPIO_CLRUA (*(vu_char *) (CFG_MBAR+0x10004D)) + +#define MCFGPIO_PBCDPAR (*(vu_char *) (CFG_MBAR+0x100050)) +#define MCFGPIO_PFPAR (*(vu_char *) (CFG_MBAR+0x100051)) +#define MCFGPIO_PEPAR (*(vu_short *)(CFG_MBAR+0x100052)) +#define MCFGPIO_PJPAR (*(vu_char *) (CFG_MBAR+0x100054)) +#define MCFGPIO_PSDPAR (*(vu_char *) (CFG_MBAR+0x100055)) +#define MCFGPIO_PASPAR (*(vu_short *)(CFG_MBAR+0x100056)) +#define MCFGPIO_PEHLPAR (*(vu_char *) (CFG_MBAR+0x100058)) +#define MCFGPIO_PQSPAR (*(vu_char *) (CFG_MBAR+0x100059)) +#define MCFGPIO_PTCPAR (*(vu_char *) (CFG_MBAR+0x10005A)) +#define MCFGPIO_PTDPAR (*(vu_char *) (CFG_MBAR+0x10005B)) +#define MCFGPIO_PUAPAR (*(vu_char *) (CFG_MBAR+0x10005C)) + +/* Bit level definitions and macros */ +#define MCFGPIO_PORT7 (0x80) +#define MCFGPIO_PORT6 (0x40) +#define MCFGPIO_PORT5 (0x20) +#define MCFGPIO_PORT4 (0x10) +#define MCFGPIO_PORT3 (0x08) +#define MCFGPIO_PORT2 (0x04) +#define MCFGPIO_PORT1 (0x02) +#define MCFGPIO_PORT0 (0x01) +#define MCFGPIO_PORT(x) (0x01< + * + * 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 + */ + +#ifndef _CONFIG_EB_MCF_EV123_H_ +#define _CONFIG_EB_MCF_EV123_H_ + +#define CONFIG_EB_MCF_EV123 + +#undef DEBUG +#undef CFG_HALT_BEFOR_RAM_JUMP +#undef ET_DEBUG + +/* + * High Level Configuration Options (easy to change) + */ + +#define CONFIG_MCF52x2 /* define processor family */ +#define CONFIG_M5282 /* define processor type */ + +#define CONFIG_MISC_INIT_R + +#define FEC_ENET +#define CONFIG_ETHADDR 00:CF:52:82:EB:01 + +#define CONFIG_BAUDRATE 9600 +#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } + +#undef CONFIG_MONITOR_IS_IN_RAM /* define if monitor is started from a pre-loader */ + +#define CONFIG_BOOTCOMMAND "printenv" + +/* Configuration for environment + * Environment is embedded in u-boot in the second sector of the flash + */ +#ifndef CONFIG_MONITOR_IS_IN_RAM +#define CFG_ENV_ADDR 0xF003C000 /* End of 256K */ +#define CFG_ENV_SECT_SIZE 0x4000 +#define CFG_ENV_IS_IN_FLASH 1 +/* +#define CFG_ENV_IS_EMBEDDED 1 +#define CFG_ENV_ADDR_REDUND 0xF0018000 +#define CFG_ENV_SECT_SIZE_REDUND 0x4000 +*/ +#else +#define CFG_ENV_ADDR 0xFFE04000 +#define CFG_ENV_SECT_SIZE 0x2000 +#define CFG_ENV_IS_IN_FLASH 1 +#endif + +//#define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~(CFG_CMD_LOADS | CFG_CMD_LOADB) ) +#define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~(CFG_CMD_LOADB)) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#define CONFIG_BOOTDELAY 5 +#define CFG_PROMPT "\nEV123 U-Boot> " +#define CFG_LONGHELP /* undef to save memory */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_LOAD_ADDR 0x20000 + +#define CFG_MEMTEST_START 0x100000 +#define CFG_MEMTEST_END 0x400000 +/*#define CFG_DRAM_TEST 1 */ +#undef CFG_DRAM_TEST + +/* Clock and PLL Configuration */ +#define CFG_HZ 10000000 +#define CFG_CLK 58982400 /* 9,8304MHz * 6 */ + +/* PLL Configuration: Ext Clock * 6 (see table 9-4 of MCF user manual) */ + +#define CFG_MFD 0x01 /* PLL Multiplication Factor Devider */ +#define CFG_RFD 0x00 /* PLL Reduce Frecuency Devider */ + +/* + * Low Level Configuration Settings + * (address mappings, register initial values, etc.) + * You should know what you are doing if you make changes here. + */ +#define CFG_MBAR 0x40000000 + +#define CFG_DISCOVER_PHY +/* #define CFG_ENET_BD_BASE 0x380000 */ + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in DPRAM) + */ +#define CFG_INIT_RAM_ADDR 0x20000000 +#define CFG_INIT_RAM_END 0x10000 /* End of used area in internal SRAM */ +#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE1 0x00000000 +#define CFG_SDRAM_SIZE1 16 /* SDRAM size in MB */ + +/* +#define CFG_SDRAM_BASE0 CFG_SDRAM_BASE1+CFG_SDRAM_SIZE1*1024*1024 +#define CFG_SDRAM_SIZE0 16 */ /* SDRAM size in MB */ + +#define CFG_SDRAM_BASE CFG_SDRAM_BASE1 +#define CFG_SDRAM_SIZE CFG_SDRAM_SIZE1 + +#define CFG_FLASH_BASE 0xFFE00000 +#define CFG_INT_FLASH_BASE 0xF0000000 + +/* If M5282 port is fully implemented the monitor base will be behind + * the vector table. */ +#if (TEXT_BASE != CFG_INT_FLASH_BASE) +#define CFG_MONITOR_BASE (TEXT_BASE + 0x400) +#else +#define CFG_MONITOR_BASE (TEXT_BASE + 0x418) /* 24 Byte for CFM-Config */ +#endif + +#define CFG_MONITOR_LEN 0x20000 +#define CFG_MALLOC_LEN (256 << 10) +#define CFG_BOOTPARAMS_LEN 64*1024 + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization ?? + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_MAX_FLASH_SECT 35 +#define CFG_MAX_FLASH_BANKS 2 +#define CFG_FLASH_ERASE_TOUT 10000000 +#define CFG_FLASH_PROTECTION + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_CACHELINE_SIZE 16 + +/*----------------------------------------------------------------------- + * Memory bank definitions + */ + +#define CFG_CS0_BASE CFG_FLASH_BASE +#define CFG_CS0_SIZE 2*1024*1024 +#define CFG_CS0_WIDTH 16 +#define CFG_CS0_RO 0 +#define CFG_CS0_WS 6 + +#define CFG_CS3_BASE 0xE0000000 +#define CFG_CS3_SIZE 1*1024*1024 +#define CFG_CS3_WIDTH 16 +#define CFG_CS3_RO 0 +#define CFG_CS3_WS 6 + +/*----------------------------------------------------------------------- + * Port configuration + */ +#define CFG_PACNT 0x0000000 /* Port A D[31:24] */ +#define CFG_PADDR 0x0000000 +#define CFG_PADAT 0x0000000 + +#define CFG_PBCNT 0x0000000 /* Port B D[23:16] */ +#define CFG_PBDDR 0x0000000 +#define CFG_PBDAT 0x0000000 + +#define CFG_PCCNT 0x0000000 /* Port C D[15:08] */ +#define CFG_PCDDR 0x0000000 +#define CFG_PCDAT 0x0000000 + +#define CFG_PDCNT 0x0000000 /* Port D D[07:00] */ +#define CFG_PCDDR 0x0000000 +#define CFG_PCDAT 0x0000000 + +#define CFG_PEHLPAR 0xC0 +#define CFG_PUAPAR 0x0F /* UA0..UA3 = Uart 0 +1 */ +#define CFG_DDRUA 0x05 +#define CFG_PJPAR 0xFF; + +/*----------------------------------------------------------------------- + * CCM configuration + */ + +#define CFG_CCM_SIZ 0 + +/*---------------------------------------------------------------------*/ +#endif /* _CONFIG_M5282EVB_H */ +/*---------------------------------------------------------------------*/ -- cgit v1.1