diff options
Diffstat (limited to 'board/eric/flash.c')
| -rw-r--r-- | board/eric/flash.c | 1131 |
1 files changed, 0 insertions, 1131 deletions
diff --git a/board/eric/flash.c b/board/eric/flash.c deleted file mode 100644 index 7459873..0000000 --- a/board/eric/flash.c +++ /dev/null @@ -1,1131 +0,0 @@ -/* - * (C) Copyright 2001 - * 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 <asm/ppc4xx.h> -#include <asm/processor.h> - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - - -#ifdef CONFIG_SYS_FLASH_16BIT -#define FLASH_WORD_SIZE unsigned short -#define FLASH_ID_MASK 0xFFFF -#else -#define FLASH_WORD_SIZE unsigned long -#define FLASH_ID_MASK 0xFFFFFFFF -#endif - -/*----------------------------------------------------------------------- - * Functions - */ -/* stolen from esteem192e/flash.c */ -ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info); - -#ifndef CONFIG_SYS_FLASH_16BIT -static int write_word (flash_info_t *info, ulong dest, ulong data); -#else -static int write_short (flash_info_t *info, ulong dest, ushort data); -#endif -static void flash_get_offsets (ulong base, flash_info_t *info); - - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - unsigned long size_b0, size_b1; - int i; - uint pbcr; - unsigned long base_b0, base_b1; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Static FLASH Bank configuration here - FIXME XXX */ - - size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE0_PRELIM, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0<<20); - } - - /* Only one bank */ - if (CONFIG_SYS_MAX_FLASH_BANKS == 1) - { - /* Setup offsets */ - flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); - - /* Monitor protection ON by default */ -#if 0 /* sand: */ - (void)flash_protect(FLAG_PROTECT_SET, - FLASH_BASE0_PRELIM-monitor_flash_len+size_b0, - FLASH_BASE0_PRELIM-1+size_b0, - &flash_info[0]); -#else - (void)flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - size_b1 = 0 ; - flash_info[0].size = size_b0; - } - - /* 2 banks */ - else - { - size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)FLASH_BASE1_PRELIM, &flash_info[1]); - - /* Re-do sizing to get full correct info */ - - if (size_b1) - { - mtdcr(EBC0_CFGADDR, PB0CR); - pbcr = mfdcr(EBC0_CFGDATA); - mtdcr(EBC0_CFGADDR, PB0CR); - base_b1 = -size_b1; - pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17); - mtdcr(EBC0_CFGDATA, pbcr); - /* printf("PB1CR = %x\n", pbcr); */ - } - - if (size_b0) - { - mtdcr(EBC0_CFGADDR, PB1CR); - pbcr = mfdcr(EBC0_CFGDATA); - mtdcr(EBC0_CFGADDR, PB1CR); - base_b0 = base_b1 - size_b0; - pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); - mtdcr(EBC0_CFGDATA, pbcr); - /* printf("PB0CR = %x\n", pbcr); */ - } - - size_b0 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b0, &flash_info[0]); - - flash_get_offsets (base_b0, &flash_info[0]); - - /* monitor protection ON by default */ -#if 0 /* sand: */ - (void)flash_protect(FLAG_PROTECT_SET, - FLASH_BASE0_PRELIM-monitor_flash_len+size_b0, - FLASH_BASE0_PRELIM-1+size_b0, - &flash_info[0]); -#else - (void)flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - - if (size_b1) { - /* Re-do sizing to get full correct info */ - size_b1 = flash_get_size((volatile FLASH_WORD_SIZE *)base_b1, &flash_info[1]); - - flash_get_offsets (base_b1, &flash_info[1]); - - /* monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - base_b1+size_b1-monitor_flash_len, - base_b1+size_b1-1, - &flash_info[1]); - /* monitor protection OFF by default (one is enough) */ - (void)flash_protect(FLAG_PROTECT_CLEAR, - base_b0+size_b0-monitor_flash_len, - base_b0+size_b0-1, - &flash_info[0]); - } else { - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[1].sector_count = -1; - } - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - }/* else 2 banks */ - return (size_b0 + size_b1); -} - - -/*----------------------------------------------------------------------- - */ - -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - /* set up sector start adress table */ - if ((info->flash_id & FLASH_TYPEMASK) == FLASH_28F320J3A || - (info->flash_id & FLASH_TYPEMASK) == FLASH_28F640J3A || - (info->flash_id & FLASH_TYPEMASK) == FLASH_28F128J3A) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * info->size/info->sector_count); - } - } else if (info->flash_id & FLASH_BTYPE) { - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - -#ifndef CONFIG_SYS_FLASH_16BIT - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00008000; - info->start[3] = base + 0x0000C000; - info->start[4] = base + 0x00010000; - info->start[5] = base + 0x00014000; - info->start[6] = base + 0x00018000; - info->start[7] = base + 0x0001C000; - for (i = 8; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00020000) - 0x000E0000; - } - } - else { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00008000; - info->start[2] = base + 0x0000C000; - info->start[3] = base + 0x00010000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00020000) - 0x00060000; - } - } -#else - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00002000; - info->start[2] = base + 0x00004000; - info->start[3] = base + 0x00006000; - info->start[4] = base + 0x00008000; - info->start[5] = base + 0x0000A000; - info->start[6] = base + 0x0000C000; - info->start[7] = base + 0x0000E000; - for (i = 8; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00010000) - 0x00070000; - } - } - else { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00006000; - info->start[3] = base + 0x00008000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00010000) - 0x00030000; - } - } -#endif - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - -#ifndef CONFIG_SYS_FLASH_16BIT - info->start[i--] = base + info->size - 0x00004000; - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x00010000; - info->start[i--] = base + info->size - 0x00014000; - info->start[i--] = base + info->size - 0x00018000; - info->start[i--] = base + info->size - 0x0001C000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00020000; - } - - } else { - - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x00010000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00020000; - } - } -#else - info->start[i--] = base + info->size - 0x00002000; - info->start[i--] = base + info->size - 0x00004000; - info->start[i--] = base + info->size - 0x00006000; - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000A000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x0000E000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00010000; - } - - } else { - - info->start[i--] = base + info->size - 0x00004000; - info->start[i--] = base + info->size - 0x00006000; - info->start[i--] = base + info->size - 0x00008000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00010000; - } - } -#endif - } - - -} - -/*----------------------------------------------------------------------- - */ - -void flash_print_info (flash_info_t *info) -{ - int i; - uchar *boottype; - uchar botboot[]=", bottom boot sect)\n"; - uchar topboot[]=", top boot sector)\n"; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - case FLASH_MAN_SST: printf ("SST "); break; - case FLASH_MAN_STM: printf ("STM "); break; - case FLASH_MAN_INTEL: printf ("INTEL "); break; - default: printf ("Unknown Vendor "); break; - } - - if (info->flash_id & 0x0001 ) { - boottype = botboot; - } else { - boottype = topboot; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM400B: printf ("AM29LV400B (4 Mbit%s",boottype); - break; - case FLASH_AM400T: printf ("AM29LV400T (4 Mbit%s",boottype); - break; - case FLASH_AM800B: printf ("AM29LV800B (8 Mbit%s",boottype); - break; - case FLASH_AM800T: printf ("AM29LV800T (8 Mbit%s",boottype); - break; - case FLASH_AM160B: printf ("AM29LV160B (16 Mbit%s",boottype); - break; - case FLASH_AM160T: printf ("AM29LV160T (16 Mbit%s",boottype); - break; - case FLASH_AM320B: printf ("AM29LV320B (32 Mbit%s",boottype); - break; - case FLASH_AM320T: printf ("AM29LV320T (32 Mbit%s",boottype); - break; - case FLASH_INTEL800B: printf ("INTEL28F800B (8 Mbit%s",boottype); - break; - case FLASH_INTEL800T: printf ("INTEL28F800T (8 Mbit%s",boottype); - break; - case FLASH_INTEL160B: printf ("INTEL28F160B (16 Mbit%s",boottype); - break; - case FLASH_INTEL160T: printf ("INTEL28F160T (16 Mbit%s",boottype); - break; - case FLASH_INTEL320B: printf ("INTEL28F320B (32 Mbit%s",boottype); - break; - case FLASH_INTEL320T: printf ("INTEL28F320T (32 Mbit%s",boottype); - break; - -#if 0 /* enable when devices are available */ - - case FLASH_INTEL640B: printf ("INTEL28F640B (64 Mbit%s",boottype); - break; - case FLASH_INTEL640T: printf ("INTEL28F640T (64 Mbit%s",boottype); - break; -#endif - case FLASH_28F320J3A: printf ("INTEL28F320J3A (32 Mbit%s",boottype); - break; - case FLASH_28F640J3A: printf ("INTEL28F640J3A (64 Mbit%s",boottype); - break; - case FLASH_28F128J3A: printf ("INTEL28F128J3A (128 Mbit%s",boottype); - break; - - default: printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ -ulong flash_get_size (volatile FLASH_WORD_SIZE *addr, flash_info_t *info) -{ - short i; - ulong base = (ulong)addr; - FLASH_WORD_SIZE value; - - /* Write auto select command: read Manufacturer ID */ - - -#ifndef CONFIG_SYS_FLASH_16BIT - - /* - * Note: if it is an AMD flash and the word at addr[0000] - * is 0x00890089 this routine will think it is an Intel - * flash device and may(most likely) cause trouble. - */ - - addr[0x0000] = 0x00900090; - if(addr[0x0000] != 0x00890089){ - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00900090; -#else - - /* - * Note: if it is an AMD flash and the word at addr[0000] - * is 0x0089 this routine will think it is an Intel - * flash device and may(most likely) cause trouble. - */ - - addr[0x0000] = 0x0090; - - if(addr[0x0000] != 0x0089){ - addr[0x0555] = 0x00AA; - addr[0x02AA] = 0x0055; - addr[0x0555] = 0x0090; -#endif - } - value = addr[0]; - - switch (value) { - case (AMD_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_AMD; - break; - case (FUJ_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_FUJ; - break; - case (STM_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_STM; - break; - case (SST_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_SST; - break; - case (INTEL_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_INTEL; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - - } - - value = addr[1]; /* device ID */ - - switch (value) { - - case (AMD_ID_LV400T & FLASH_ID_MASK): - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case (AMD_ID_LV400B & FLASH_ID_MASK): - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case (AMD_ID_LV800T & FLASH_ID_MASK): - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (AMD_ID_LV800B & FLASH_ID_MASK): - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (AMD_ID_LV160T & FLASH_ID_MASK): - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ - - case (AMD_ID_LV160B & FLASH_ID_MASK): - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ -#if 0 /* enable when device IDs are available */ - case (AMD_ID_LV320T & FLASH_ID_MASK): - info->flash_id += FLASH_AM320T; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (AMD_ID_LV320B & FLASH_ID_MASK): - info->flash_id += FLASH_AM320B; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ -#endif - - case (INTEL_ID_28F800B3T & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL800T; - info->sector_count = 23; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (INTEL_ID_28F800B3B & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL800B; - info->sector_count = 23; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (INTEL_ID_28F160B3T & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL160T; - info->sector_count = 39; - info->size = 0x00400000; - break; /* => 4 MB */ - - case (INTEL_ID_28F160B3B & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL160B; - info->sector_count = 39; - info->size = 0x00400000; - break; /* => 4 MB */ - - case (INTEL_ID_28F320B3T & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL320T; - info->sector_count = 71; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (INTEL_ID_28F320B3B & FLASH_ID_MASK): - info->flash_id += FLASH_AM320B; - info->sector_count = 71; - info->size = 0x00800000; - break; /* => 8 MB */ - -#if 0 /* enable when devices are available */ - case (INTEL_ID_28F320B3T & FLASH_ID_MASK): - info->flash_id += FLASH_INTEL320T; - info->sector_count = 135; - info->size = 0x01000000; - break; /* => 16 MB */ - - case (INTEL_ID_28F320B3B & FLASH_ID_MASK): - info->flash_id += FLASH_AM320B; - info->sector_count = 135; - info->size = 0x01000000; - break; /* => 16 MB */ -#endif - case (INTEL_ID_28F320J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F320J3A; - info->sector_count = 32; - info->size = 0x00400000; - break; /* => 32 MBit */ - case (INTEL_ID_28F640J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 64 MBit */ - case (INTEL_ID_28F128J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 128 MBit */ - - default: - /* FIXME*/ - info->flash_id = FLASH_UNKNOWN; - return (0); /* => no or unknown flash */ - } - - flash_get_offsets(base, info); - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (volatile FLASH_WORD_SIZE *)(info->start[i]); - info->protect[i] = addr[2] & 1; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) { - addr = (volatile FLASH_WORD_SIZE *)info->start[0]; - if( (info->flash_id & 0xFF00) == FLASH_MAN_INTEL){ - *addr = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ - } else { - *addr = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ - } - } - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - - volatile FLASH_WORD_SIZE *addr=(volatile FLASH_WORD_SIZE*)(info->start[0]); - int flag, prot, sect, l_sect, barf; - ulong start, now, last; - int rcode = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id == FLASH_UNKNOWN) || - ((info->flash_id > FLASH_AMD_COMP) && - ( (info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL ) ) ){ - printf ("Can't erase unknown flash type - aborted\n"); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - if(info->flash_id < FLASH_AMD_COMP) { -#ifndef CONFIG_SYS_FLASH_16BIT - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00800080; - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; -#else - addr[0x0555] = 0x00AA; - addr[0x02AA] = 0x0055; - addr[0x0555] = 0x0080; - addr[0x0555] = 0x00AA; - addr[0x02AA] = 0x0055; -#endif - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (volatile FLASH_WORD_SIZE *)(info->start[sect]); - addr[0] = (0x00300030 & FLASH_ID_MASK); - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (volatile FLASH_WORD_SIZE*)(info->start[l_sect]); - while ((addr[0] & (0x00800080&FLASH_ID_MASK)) != - (0x00800080&FLASH_ID_MASK) ) - { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - serial_putc ('.'); - last = now; - } - } - -DONE: - /* reset to read mode */ - addr = (volatile FLASH_WORD_SIZE *)info->start[0]; - addr[0] = (0x00F000F0 & FLASH_ID_MASK); /* reset bank */ - } else { - - - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - barf = 0; -#ifndef CONFIG_SYS_FLASH_16BIT - addr = (vu_long*)(info->start[sect]); - addr[0] = 0x00200020; - addr[0] = 0x00D000D0; - while(!(addr[0] & 0x00800080)); /* wait for error or finish */ - if( addr[0] & 0x003A003A) { /* check for error */ - barf = addr[0] & 0x003A0000; - if( barf ) { - barf >>=16; - } else { - barf = addr[0] & 0x0000003A; - } - } -#else - addr = (vu_short*)(info->start[sect]); - addr[0] = 0x0020; - addr[0] = 0x00D0; - while(!(addr[0] & 0x0080)); /* wait for error or finish */ - if( addr[0] & 0x003A) /* check for error */ - barf = addr[0] & 0x003A; -#endif - if(barf) { - printf("\nFlash error in sector at %lx\n",(unsigned long)addr); - if(barf & 0x0002) printf("Block locked, not erased.\n"); - if((barf & 0x0030) == 0x0030) - printf("Command Sequence error.\n"); - if((barf & 0x0030) == 0x0020) - printf("Block Erase error.\n"); - if(barf & 0x0008) printf("Vpp Low error.\n"); - rcode = 1; - } else printf("."); - l_sect = sect; - } - addr = (volatile FLASH_WORD_SIZE *)info->start[0]; - addr[0] = (0x00FF00FF & FLASH_ID_MASK); /* reset bank */ - - } - - } - printf (" done\n"); - return rcode; -} - -/*----------------------------------------------------------------------- - */ - -/*flash_info_t *addr2info (ulong addr) -{ - flash_info_t *info; - int i; - - for (i=0, info=&flash_info[0]; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) { - if ((addr >= info->start[0]) && - (addr < (info->start[0] + info->size)) ) { - return (info); - } - } - - return (NULL); -} -*/ -/*----------------------------------------------------------------------- - * Copy memory to flash. - * Make sure all target addresses are within Flash bounds, - * and no protected sectors are hit. - * Returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - target range includes protected sectors - * 8 - target address not in Flash memory - */ - -/*int flash_write (uchar *src, ulong addr, ulong cnt) -{ - int i; - ulong end = addr + cnt - 1; - flash_info_t *info_first = addr2info (addr); - flash_info_t *info_last = addr2info (end ); - flash_info_t *info; - - if (cnt == 0) { - return (0); - } - - if (!info_first || !info_last) { - return (8); - } - - for (info = info_first; info <= info_last; ++info) { - ulong b_end = info->start[0] + info->size;*/ /* bank end addr */ -/* short s_end = info->sector_count - 1; - for (i=0; i<info->sector_count; ++i) { - ulong e_addr = (i == s_end) ? b_end : info->start[i + 1]; - - if ((end >= info->start[i]) && (addr < e_addr) && - (info->protect[i] != 0) ) { - return (4); - } - } - } - -*/ /* finally write data to flash */ -/* for (info = info_first; info <= info_last && cnt>0; ++info) { - ulong len; - - len = info->start[0] + info->size - addr; - if (len > cnt) - len = cnt; - if ((i = write_buff(info, src, addr, len)) != 0) { - return (i); - } - cnt -= len; - addr += len; - src += len; - } - return (0); -} -*/ -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ -#ifndef CONFIG_SYS_FLASH_16BIT - ulong cp, wp, data; - int l; -#else - ulong cp, wp; - ushort data; -#endif - int i, rc; - -#ifndef CONFIG_SYS_FLASH_16BIT - - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); - -#else - wp = (addr & ~1); /* get lower word aligned address */ - - /* - * handle unaligned start byte - */ - if (addr - wp) { - data = 0; - data = (data << 8) | *src++; - --cnt; - if ((rc = write_short(info, wp, data)) != 0) { - return (rc); - } - wp += 2; - } - - /* - * handle word aligned part - */ -/* l = 0; used for debuging */ - while (cnt >= 2) { - data = 0; - for (i=0; i<2; ++i) { - data = (data << 8) | *src++; - } - -/* if(!l){ - printf("%x",data); - l = 1; - } used for debuging */ - - if ((rc = write_short(info, wp, data)) != 0) { - return (rc); - } - wp += 2; - cnt -= 2; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<2; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_short(info, wp, data)); - - -#endif -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -#ifndef CONFIG_SYS_FLASH_16BIT -static int write_word (flash_info_t * info, ulong dest, ulong data) -{ - vu_long *addr = (vu_long *) (info->start[0]); - ulong start, barf; - int flag; - - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *) dest) & data) != data) { - return (2); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - if (info->flash_id > FLASH_AMD_COMP) { - /* AMD stuff */ - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00A000A0; - } else { - /* intel stuff */ - *addr = 0x00400040; - } - *((vu_long *) dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - /* data polling for D7 */ - start = get_timer (0); - - if (info->flash_id > FLASH_AMD_COMP) { - - while ((*((vu_long *) dest) & 0x00800080) != - (data & 0x00800080)) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - - } else { - - while (!(addr[0] & 0x00800080)) { /* wait for error or finish */ - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - - if (addr[0] & 0x003A003A) { /* check for error */ - barf = addr[0] & 0x003A0000; - if (barf) { - barf >>= 16; - } else { - barf = addr[0] & 0x0000003A; - } - printf ("\nFlash write error at address %lx\n", - (unsigned long) dest); - if (barf & 0x0002) - printf ("Block locked, not erased.\n"); - if (barf & 0x0010) - printf ("Programming error.\n"); - if (barf & 0x0008) - printf ("Vpp Low error.\n"); - return (2); - } - - - } - - return (0); - - } - -#else - -static int write_short (flash_info_t * info, ulong dest, ushort data) -{ - vu_short *addr = (vu_short *) (info->start[0]); - ulong start, barf; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_short *) dest) & data) != data) { - return (2); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - if (info->flash_id < FLASH_AMD_COMP) { - /* AMD stuff */ - addr[0x0555] = 0x00AA; - addr[0x02AA] = 0x0055; - addr[0x0555] = 0x00A0; - } else { - /* intel stuff */ - *addr = 0x00D0; - *addr = 0x0040; - } - *((vu_short *) dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - /* data polling for D7 */ - start = get_timer (0); - - if (info->flash_id < FLASH_AMD_COMP) { - /* AMD stuff */ - while ((*((vu_short *) dest) & 0x0080) != (data & 0x0080)) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - - } else { - /* intel stuff */ - while (!(addr[0] & 0x0080)) { /* wait for error or finish */ - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) - return (1); - } - - if (addr[0] & 0x003A) { /* check for error */ - barf = addr[0] & 0x003A; - printf ("\nFlash write error at address %lx\n", - (unsigned long) dest); - if (barf & 0x0002) - printf ("Block locked, not erased.\n"); - if (barf & 0x0010) - printf ("Programming error.\n"); - if (barf & 0x0008) - printf ("Vpp Low error.\n"); - return (2); - } - *addr = 0x00B0; - *addr = 0x0070; - while (!(addr[0] & 0x0080)) { /* wait for error or finish */ - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) - return (1); - } - *addr = 0x00FF; - } - return (0); -} -#endif -/*-----------------------------------------------------------------------*/ |