diff options
Diffstat (limited to 'board/BuS/EB+MCF-EV123')
| -rw-r--r-- | board/BuS/EB+MCF-EV123/EB+MCF-EV123.c | 162 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/Makefile | 40 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/VCxK.c | 136 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/VCxK.h | 48 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/cfm_flash.c | 212 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/cfm_flash.h | 40 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/config.mk | 28 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/flash.c | 413 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/textbase.mk | 1 | ||||
| -rw-r--r-- | board/BuS/EB+MCF-EV123/u-boot.lds | 141 |
10 files changed, 1221 insertions, 0 deletions
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 <esw@bus-elektonik.de> + * + * (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 <common.h> +#include <command.h> +#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..0596572 --- /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..4938817 --- /dev/null +++ b/board/BuS/EB+MCF-EV123/VCxK.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 <common.h> +#include <asm/m5282.h> +#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 <esw@bus-elektonik.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 + */ + +#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..6ecf0d1 --- /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 <esw@bus-elektonik.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 <common.h> +#include <asm/m5282.h> +#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<<sector); + info->protect[sector]=1; + } + else + { + MCFCFM_PROT &= ~(1<<sector); + info->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 <esw@bus-elektonik.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 + */ + +#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 <bkuhn@metrowerks.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 +# + +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..ba76bef --- /dev/null +++ b/board/BuS/EB+MCF-EV123/flash.c @@ -0,0 +1,413 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> + * + * 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 <common.h> +#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 = .); +} |