/* * 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 <mpc8xx.h> #ifndef CONFIG_ENV_ADDR #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) #endif flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ /*----------------------------------------------------------------------- * Functions */ static int write_word (flash_info_t *info, ulong dest, ulong data); #if 0 static ulong flash_get_size (vu_long *addr, flash_info_t *info); static void flash_get_offsets (ulong base, flash_info_t *info); #endif #ifdef CONFIG_BOOT_8B static int my_in_8( unsigned char *addr); static void my_out_8( unsigned char *addr, int val); #endif #ifdef CONFIG_BOOT_16B static int my_in_be16( unsigned short *addr); static void my_out_be16( unsigned short *addr, int val); #endif #ifdef CONFIG_BOOT_32B static unsigned my_in_be32( unsigned *addr); static void my_out_be32( unsigned *addr, int val); #endif /*----------------------------------------------------------------------- */ unsigned long flash_init (void) { volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; unsigned long size_b0, size_b1; int i; size_b0=0; size_b1=0; /* Init: no FLASHes known */ for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { flash_info[i].flash_id = FLASH_UNKNOWN; } #ifdef CONFIG_SYS_DOC_BASE #ifndef CONFIG_FEL8xx_AT memctl->memc_or5 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC ); /* 32k bytes */ memctl->memc_br5 = CONFIG_SYS_DOC_BASE | 0x401; #else memctl->memc_or3 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC ); /* 32k bytes */ memctl->memc_br3 = CONFIG_SYS_DOC_BASE | 0x401; #endif #endif #if defined( CONFIG_BOOT_8B) /* memctl->memc_or0 = 0xfff80ff4; /###* 4MB bytes */ /* memctl->memc_br0 = 0x40000401; */ size_b0 = 0x80000; /* 512 K */ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM040; flash_info[0].sector_count = 8; flash_info[0].size = 0x00080000; /* set up sector start address table */ for (i = 0; i < flash_info[0].sector_count; i++) flash_info[0].start[i] = 0x40000000 + (i * 0x10000); /* protect all sectors */ for (i = 0; i < flash_info[0].sector_count; i++) flash_info[0].protect[i] = 0x1; #elif defined (CONFIG_BOOT_16B) /* memctl->memc_or0 = 0xfff80ff4; /###* 4MB bytes */ /* memctl->memc_br0 = 0x40000401; */ size_b0 = 0x400000; /* 4MB , assume AMD29LV320B */ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM320B; flash_info[0].sector_count = 67; flash_info[0].size = 0x00400000; /* set up sector start address table */ flash_info[0].start[0] = 0x40000000 ; flash_info[0].start[1] = 0x40000000 + 0x4000; flash_info[0].start[2] = 0x40000000 + 0x6000; flash_info[0].start[3] = 0x40000000 + 0x8000; for (i = 4; i < flash_info[0].sector_count; i++) flash_info[0].start[i] = 0x40000000 + 0x10000 + ((i-4) * 0x10000); /* protect all sectors */ for (i = 0; i < flash_info[0].sector_count; i++) flash_info[0].protect[i] = 0x1; #endif #ifdef CONFIG_BOOT_32B /* Static FLASH Bank configuration here - FIXME XXX */ size_b0 = flash_get_size((vu_long *)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); } size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); if (size_b1 > size_b0) { printf ("## ERROR: " "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n", size_b1, size_b1<<20, size_b0, size_b0<<20 ); flash_info[0].flash_id = FLASH_UNKNOWN; flash_info[1].flash_id = FLASH_UNKNOWN; flash_info[0].sector_count = -1; flash_info[1].sector_count = -1; flash_info[0].size = 0; flash_info[1].size = 0; return (0); } /* Remap FLASH according to real size */ memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK); memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V; /* Re-do sizing to get full correct info */ size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]); flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]); #if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE /* monitor protection ON by default */ flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, &flash_info[0]); #endif #ifdef CONFIG_ENV_IS_IN_FLASH /* ENV protection ON by default */ flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1, &flash_info[0]); #endif if (size_b1) { memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b1 & 0xFFFF8000); memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) & BR_BA_MSK) | BR_MS_GPCM | BR_V; /* Re-do sizing to get full correct info */ size_b1 = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE + size_b0), &flash_info[1]); flash_get_offsets (CONFIG_SYS_FLASH_BASE + size_b0, &flash_info[1]); #if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE /* monitor protection ON by default */ flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, &flash_info[1]); #endif #ifdef CONFIG_ENV_IS_IN_FLASH /* ENV protection ON by default */ flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1, &flash_info[1]); #endif } else { memctl->memc_br1 = 0; /* invalidate bank */ 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; #endif /* CONFIG_BOOT_32B */ return (size_b0 + size_b1); } #if 0 /*----------------------------------------------------------------------- */ static void flash_get_offsets (ulong base, flash_info_t *info) { int i; /* set up sector start address table */ if (info->flash_id & FLASH_BTYPE) { /* 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 top boot block type */ i = info->sector_count - 1; 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; } } } #endif /*----------------------------------------------------------------------- */ void flash_print_info (flash_info_t *info) { int i; if (info->flash_id == FLASH_UNKNOWN) { printf ("missing or unknown FLASH type\n"); return; } switch (info->flash_id & FLASH_VENDMASK) { case FLASH_MAN_AMD: printf ("AMD "); break; case FLASH_MAN_FUJ: printf ("FUJITSU "); break; default: printf ("Unknown Vendor "); break; } switch (info->flash_id & FLASH_TYPEMASK) { case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); break; case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); break; case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); break; case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); break; case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); break; case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); break; case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); break; case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n"); break; default: printf ("Unknown Chip Type\n"); break; } printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count); printf (" Sector Start Addresses:"); for (i=0; i<info->sector_count; ++i) { if ((i % 5) == 0) printf ("\n "); printf (" %08lX%s", info->start[i], info->protect[i] ? " (RO)" : " " ); } printf ("\n"); return; } /*----------------------------------------------------------------------- */ /*----------------------------------------------------------------------- */ /* * The following code cannot be run from FLASH! */ #if 0 static ulong flash_get_size (vu_long *addr, flash_info_t *info) { short i; ulong value; ulong base = (ulong)addr; /* Write auto select command: read Manufacturer ID */ addr[0x0555] = 0x00AA00AA; addr[0x02AA] = 0x00550055; addr[0x0555] = 0x00900090; value = addr[0]; switch (value) { case AMD_MANUFACT: info->flash_id = FLASH_MAN_AMD; break; case FUJ_MANUFACT: info->flash_id = FLASH_MAN_FUJ; 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: info->flash_id += FLASH_AM400T; info->sector_count = 11; info->size = 0x00100000; break; /* => 1 MB */ case AMD_ID_LV400B: info->flash_id += FLASH_AM400B; info->sector_count = 11; info->size = 0x00100000; break; /* => 1 MB */ case AMD_ID_LV800T: info->flash_id += FLASH_AM800T; info->sector_count = 19; info->size = 0x00200000; break; /* => 2 MB */ case AMD_ID_LV800B: info->flash_id += FLASH_AM800B; info->sector_count = 19; info->size = 0x00200000; break; /* => 2 MB */ case AMD_ID_LV160T: info->flash_id += FLASH_AM160T; info->sector_count = 35; info->size = 0x00400000; break; /* => 4 MB */ case AMD_ID_LV160B: 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: info->flash_id += FLASH_AM320T; info->sector_count = 67; info->size = 0x00800000; break; /* => 8 MB */ case AMD_ID_LV320B: info->flash_id += FLASH_AM320B; info->sector_count = 67; info->size = 0x00800000; break; /* => 8 MB */ #endif default: info->flash_id = FLASH_UNKNOWN; return (0); /* => no or unknown flash */ } /* set up sector start address table */ if (info->flash_id & FLASH_BTYPE) { /* 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 top boot block type */ i = info->sector_count - 1; 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; } } /* 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 unsigned long *)(info->start[i]); info->protect[i] = addr[2] & 1; } /* * Prevent writes to uninitialized FLASH. */ if (info->flash_id != FLASH_UNKNOWN) { addr = (volatile unsigned long *)info->start[0]; *addr = 0x00F000F0; /* reset bank */ } return (info->size); } #endif /*----------------------------------------------------------------------- */ int flash_erase (flash_info_t *info, int s_first, int s_last) { vu_long *addr = (vu_long*)(info->start[0]); int flag, prot, sect, l_sect,in_mid,in_did; ulong start, now, last; if ((s_first < 0) || (s_first > s_last)) { if (info->flash_id == FLASH_UNKNOWN) { printf ("- missing\n"); } else { printf ("- no sectors to erase\n"); } return 1; } if ((info->flash_id == FLASH_UNKNOWN) || (info->flash_id > FLASH_AMD_COMP)) { printf ("Can't erase unknown flash type %08lx - aborted\n", info->flash_id); return 1; } prot = 0; for (sect=s_first; sect<=s_last; ++sect) { if (info->protect[sect]) { prot++; } } if (prot) { printf ("- Warning: %d protected sectors will not be erased!\n", prot); } else { printf ("\n"); } l_sect = -1; /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts(); #if defined (CONFIG_BOOT_8B ) my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0xaa ); my_out_8( (unsigned char * ) ((ulong)addr+0x2aa) , 0x55 ); my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0x90 ); in_mid=my_in_8( (unsigned char * ) addr ); in_did=my_in_8( (unsigned char * ) ((ulong)addr+1) ); printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did ); my_out_8( (unsigned char *)addr, 0xf0); udelay(1); my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa ); my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 ); my_out_8( (unsigned char *) ((ulong)addr+0x555),0x80 ); my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa ); my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 ); /* Start erase on unprotected sectors */ for (sect = s_first; sect<=s_last; sect++) { if (info->protect[sect] == 0) { /* not protected */ addr = (vu_long*)(info->start[sect]); /*addr[0] = 0x00300030; */ my_out_8( (unsigned char *) ((ulong)addr),0x30 ); l_sect = sect; } } #elif defined(CONFIG_BOOT_16B ) my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0xaa ); my_out_be16( (unsigned short * ) ((ulong)addr+ (0x554)) , 0x55 ); my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0x90 ); in_mid=my_in_be16( (unsigned short * ) addr ); in_did=my_in_be16 ( (unsigned short * ) ((ulong)addr+2) ); printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did ); my_out_be16( (unsigned short *)addr, 0xf0); udelay(1); my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa ); my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 ); my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0x80 ); my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0xaa ); my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 ); /* Start erase on unprotected sectors */ for (sect = s_first; sect<=s_last; sect++) { if (info->protect[sect] == 0) { /* not protected */ addr = (vu_long*)(info->start[sect]); my_out_be16( (unsigned short *) ((ulong)addr),0x30 ); l_sect = sect; } } #elif defined(CONFIG_BOOT_32B) my_out_be32( (unsigned * ) ((ulong)addr+0x1554) , 0xaa ); my_out_be32( (unsigned * ) ((ulong)addr+0xaa8) , 0x55 ); my_out_be32( (unsigned *) ((ulong)addr+0x1554) , 0x90 ); in_mid=my_in_be32( (unsigned * ) addr ); in_did=my_in_be32( (unsigned * ) ((ulong)addr+4) ); printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did ); my_out_be32( (unsigned *)addr, 0xf0); udelay(1); my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa ); my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 ); my_out_be32( (unsigned *) ((ulong)addr+0x1554),0x80 ); my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa ); my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 ); /* Start erase on unprotected sectors */ for (sect = s_first; sect<=s_last; sect++) { if (info->protect[sect] == 0) { /* not protected */ addr = (vu_long*)(info->start[sect]); my_out_be32( (unsigned *) ((ulong)addr),0x00300030 ); l_sect = sect; } } #else # error CONFIG_BOOT_(size)B missing. #endif /* re-enable interrupts if necessary */ if (flag) enable_interrupts(); /* wait at least 80us - let's wait 1 ms */ udelay (1000); /* * We wait for the last triggered sector */ if (l_sect < 0) goto DONE; start = get_timer (0); last = start; addr = (vu_long*)(info->start[l_sect]); #if defined (CONFIG_BOOT_8B) while ( (my_in_8((unsigned char *)addr) & 0x80) != 0x80 ) #elif defined(CONFIG_BOOT_16B ) while ( (my_in_be16((unsigned short *)addr) & 0x0080) != 0x0080 ) #elif defined(CONFIG_BOOT_32B) while ( (my_in_be32((unsigned *)addr) & 0x00800080) != 0x00800080 ) #else # error CONFIG_BOOT_(size)B missing. #endif { 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 */ putc ('.'); last = now; } } DONE: /* reset to read mode */ addr = (volatile unsigned long *)info->start[0]; #if defined (CONFIG_BOOT_8B) my_out_8( (unsigned char *)addr, 0xf0); #elif defined(CONFIG_BOOT_16B ) my_out_be16( (unsigned short * ) addr , 0x00f0 ); #elif defined(CONFIG_BOOT_32B) my_out_be32 ( (unsigned *)addr, 0x00F000F0 ); /* reset bank */ #else # error CONFIG_BOOT_(size)B missing. #endif printf (" done\n"); return 0; } /*----------------------------------------------------------------------- * Copy memory to flash, returns: * 0 - OK * 1 - write timeout * 2 - Flash not erased */ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) { ulong cp, wp, data; int i, l, rc; wp = (addr & ~3); /* get lower word aligned address */ /* * handle unaligned start bytes */ if ((l = addr - wp) != 0) { data = 0; for (i=0, cp=wp; i<l; ++i, ++cp) { data = (data << 8) | (*(uchar *)cp); } for (; i<4 && cnt>0; ++i) { data = (data << 8) | *src++; --cnt; ++cp; } for (; cnt==0 && i<4; ++i, ++cp) { data = (data << 8) | (*(uchar *)cp); } if ((rc = write_word(info, wp, data)) != 0) { return (rc); } wp += 4; } /* * handle word aligned part */ while (cnt >= 4) { data = 0; for (i=0; i<4; ++i) { data = (data << 8) | *src++; } if ((rc = write_word(info, wp, data)) != 0) { return (rc); } wp += 4; cnt -= 4; } if (cnt == 0) { return (0); } /* * handle unaligned tail bytes */ data = 0; for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { data = (data << 8) | *src++; --cnt; } for (; i<4; ++i, ++cp) { data = (data << 8) | (*(uchar *)cp); } return (write_word(info, wp, data)); } /*----------------------------------------------------------------------- * Write a word to Flash, returns: * 0 - OK * 1 - write timeout * 2 - Flash not erased */ static int write_word (flash_info_t *info, ulong dest, ulong data) { ulong addr = (ulong)(info->start[0]); ulong start,last; int flag; ulong i; int data_short[2]; /* Check if Flash is (sufficiently) erased */ if ( ((ulong) *(ulong *)dest & data) != data ) { return (2); } /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts(); #if defined(CONFIG_BOOT_8B) #ifdef DEBUG { int in_mid,in_did; my_out_8( (unsigned char * ) (addr+0x555) , 0xaa ); my_out_8( (unsigned char * ) (addr+0x2aa) , 0x55 ); my_out_8( (unsigned char * ) (addr+0x555) , 0x90 ); in_mid=my_in_8( (unsigned char * ) addr ); in_did=my_in_8( (unsigned char * ) (addr+1) ); printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did ); my_out_8( (unsigned char *)addr, 0xf0); udelay(1); } #endif { int data_ch[4]; data_ch[0]=(int ) ((data>>24) & 0xff); data_ch[1]=(int ) ((data>>16) &0xff ); data_ch[2]=(int ) ((data >>8) & 0xff); data_ch[3]=(int ) (data & 0xff); for (i=0;i<4;i++ ){ my_out_8( (unsigned char *) (addr+0x555),0xaa); my_out_8((unsigned char *) (addr+0x2aa),0x55); my_out_8( (unsigned char *) (addr+0x555),0xa0); my_out_8((unsigned char *) (dest+i) ,data_ch[i]); /* re-enable interrupts if necessary */ if (flag) enable_interrupts(); start = get_timer (0); last = start; while( ( my_in_8((unsigned char *) (dest+i)) ) != ( data_ch[i] ) ) { if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT ) { return 1; } } }/* for */ } #elif defined( CONFIG_BOOT_16B) data_short[0]=(int) (data>>16) & 0xffff; data_short[1]=(int ) data & 0xffff ; for (i=0;i<2;i++ ){ my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa ); my_out_be16( (unsigned short *) ((ulong)addr+ 0x554),0x55 ); my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xa0 ); my_out_be16( (unsigned short *) (dest+(i*2)) ,data_short[i]); /* re-enable interrupts if necessary */ if (flag) enable_interrupts(); start = get_timer (0); last = start; while( ( my_in_be16((unsigned short *) (dest+(i*2))) ) != ( data_short[i] ) ) { if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT ) { return 1; } } } #elif defined( CONFIG_BOOT_32B) addr[0x0555] = 0x00AA00AA; addr[0x02AA] = 0x00550055; addr[0x0555] = 0x00A000A0; *((vu_long *)dest) = data; /* re-enable interrupts if necessary */ if (flag) enable_interrupts(); /* data polling for D7 */ start = get_timer (0); while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) { if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { return (1); } } #endif return (0); } #ifdef CONFIG_BOOT_8B static int my_in_8 ( unsigned char *addr) { int ret; __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr)); return ret; } static void my_out_8 ( unsigned char *addr, int val) { __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } #endif #ifdef CONFIG_BOOT_16B static int my_in_be16( unsigned short *addr) { int ret; __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr)); return ret; } static void my_out_be16( unsigned short *addr, int val) { __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } #endif #ifdef CONFIG_BOOT_32B static unsigned my_in_be32( unsigned *addr) { unsigned ret; __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr)); return ret; } static void my_out_be32( unsigned *addr, int val) { __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } #endif