diff options
Diffstat (limited to 'board/rmu/flash.c')
| -rw-r--r-- | board/rmu/flash.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/board/rmu/flash.c b/board/rmu/flash.c index c05cf32..0f2c327 100644 --- a/board/rmu/flash.c +++ b/board/rmu/flash.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000 + * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -21,6 +21,8 @@ * MA 02111-1307 USA */ +/* #define DEBUG */ + #include <common.h> #include <mpc8xx.h> @@ -49,28 +51,35 @@ unsigned long flash_init (void) } /* Static FLASH Bank configuration here - FIXME XXX */ + + debug ("\n## Get flash bank size @ 0x%08x\n", FLASH_BASE_PRELIM); + size_b0 = flash_get_size((vu_long *)FLASH_BASE_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); } + debug ("## Before remap: BR0: 0x%08x OR0: 0x%08x\n", + memctl->memc_br0, memctl->memc_or0); + /* Remap FLASH according to real size */ memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000); memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V; + debug ("## BR0: 0x%08x OR0: 0x%08x\n", + memctl->memc_br0, memctl->memc_or0); + /* Re-do sizing to get full correct info */ size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]); -#if CFG_MONITOR_BASE >= CFG_FLASH_BASE /* monitor protection ON by default */ flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE, CFG_MONITOR_BASE+monitor_flash_len-1, &flash_info[0]); -#endif #ifdef CFG_ENV_IS_IN_FLASH /* ENV protection ON by default */ @@ -80,8 +89,21 @@ unsigned long flash_init (void) &flash_info[0]); #endif +#if defined(CFG_ENV_ADDR_REDUND) || defined(CFG_ENV_OFFSET_REDUND) + debug ("Protect redundand environment: %08lx ... %08lx\n", + (ulong)CFG_ENV_ADDR_REDUND, + (ulong)CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE - 1); + + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, + &flash_info[0]); +#endif + flash_info[0].size = size_b0; + debug ("## Final Flash bank size: %08lx\n", size_b0); + return (size_b0); } @@ -192,6 +214,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) value = addr[0] ; + debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value); + switch (value & 0x00FF00FF) { case AMD_MANUFACT: info->flash_id = FLASH_MAN_AMD; @@ -208,6 +232,8 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) value = addr[2] ; /* device ID */ + debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value); + switch (value & 0x00FF00FF) { case (AMD_ID_LV400T & 0x00FF00FF): info->flash_id += FLASH_AM400T; @@ -244,25 +270,22 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) info->sector_count = 35; info->size = 0x00800000; break; /* => 8 MB */ -#if 0 /* enable when device IDs are available */ - case AMD_ID_LV320T: + case (AMD_ID_LV320T & 0x00FF00FF): info->flash_id += FLASH_AM320T; info->sector_count = 67; info->size = 0x00800000; break; /* => 8 MB */ - case AMD_ID_LV320B: + case (AMD_ID_LV320B & 0x00FF00FF): info->flash_id += FLASH_AM320B; info->sector_count = 67; info->size = 0x01000000; break; /* => 16 MB */ -#endif default: info->flash_id = FLASH_UNKNOWN; return (0); /* => no or unknown flash */ } - /*%%% sector start address modified */ /* set up sector start address table */ if (info->flash_id & FLASH_BTYPE) { /* set sector offsets for bottom boot block type */ @@ -314,6 +337,8 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) int flag, prot, sect, l_sect; ulong start, now, last; + debug ("flash_erase: first: %d last: %d\n", s_first, s_last); + if ((s_first < 0) || (s_first > s_last)) { if (info->flash_id == FLASH_UNKNOWN) { printf ("- missing\n"); |