diff options
Diffstat (limited to 'target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-016-cmd_mem.patch')
| -rw-r--r-- | target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-016-cmd_mem.patch | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-016-cmd_mem.patch b/target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-016-cmd_mem.patch new file mode 100644 index 000000000..bac2f935f --- /dev/null +++ b/target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-016-cmd_mem.patch @@ -0,0 +1,412 @@ +diff -urN u-boot-2009.01-0rig//common/cmd_mem.c u-boot-2009.01/common/cmd_mem.c +--- u-boot-2009.01-0rig//common/cmd_mem.c 2008-12-16 23:48:27.000000000 +0100 ++++ u-boot-2009.01/common/cmd_mem.c 2009-01-04 13:27:03.000000000 +0100 +@@ -37,11 +37,120 @@ + #endif + #include <watchdog.h> + ++#include <flash.h> ++#ifdef CONFIG_SYS_NO_FLASH ++#define in_flash(x) 0 ++#else ++#define in_flash(x) (addr2info(x)!=NULL) ++#endif ++ ++#ifdef CONFIG_HAS_DATAFLASH ++#define in_dataflash(x) addr_dataflash(x) ++#else ++#define in_dataflash(x) 0 ++#endif ++ ++#ifdef CONFIG_CMD_MMC ++#define in_SD_card(x) (mmc2info(x) != 0) ++#else ++#define in_SD_card(x) 0 ++#endif ++ ++ + #ifdef CMD_MEM_DEBUG + #define PRINTF(fmt,args...) printf (fmt ,##args) + #else + #define PRINTF(fmt,args...) + #endif ++#if defined(CONFIG_HAS_DATAFLASH) ++#define DF_PAGE_VALID 0x01 ++#define CONFIG_SYS_DATAFLASH_PAGE_SIZE 1056 ++typedef char dfpagebuf[CONFIG_SYS_DATAFLASH_PAGE_SIZE]; ++dfpagebuf dfcache[3]; // Cache buffers for dataflash ++unsigned char dfvalid[3]; // if DF_PAGE_VALID is set, then the, cache buffer contents are valid ++unsigned char dflru[3]; // Least recently used algorithm to determine which buffer to reuse ++unsigned int dfpage[3]; // TLB for cache, tells which page is loaded into dfcache ++ ++ ++void flush_mem_cache(void) ++{ ++ dfvalid[0] = dfvalid[1] = dfvalid[2] = 0; ++ dflru[0] = 0; ++ dflru[1] = 1; ++ dflru[2] = 2; ++} ++ ++typedef union { ++ uchar byte[4]; ++ ulong word; ++} reg; ++ ++unsigned int replace(char *p, unsigned int data) ++{ ++ ulong i; ++ reg in; ++ reg out; ++ ++ in.word = data; ++ for(i = 0; i <= 3; i++) { ++ out.byte[0] = *p; ++ *p++ = in.byte[0]; ++ } ++ return out.word; ++} ++ ++ulong translate(unsigned int addr) ++{ ++ unsigned int page = (addr) / CONFIG_SYS_DATAFLASH_PAGE_SIZE; ++ unsigned int index = (addr) - (page * CONFIG_SYS_DATAFLASH_PAGE_SIZE); ++ unsigned int i,rc; ++ for(i = 0; i < 2; i++) { ++ if((page == dfpage[i]) && (dfvalid[i] & DF_PAGE_VALID)) { ++ if(dflru[0] == i) { ++ // nothing ++ } else if(dflru[1] == i) { ++ // swap with 0 ++ dflru[1] = dflru[0]; ++ dflru[0] = i; ++ } else { ++ // shift down ++ dflru[2] = dflru[1]; ++ dflru[1] = dflru[0]; ++ dflru[0] = i; ++ } ++ return (unsigned int) &dfcache[i][index]; ++ } ++ } ++ // not found ++ // use buffer found in dflru[2] ++ i = dflru[2]; ++ if ((rc = read_dataflash(addr, CONFIG_SYS_DATAFLASH_PAGE_SIZE, dfcache[i])) == DATAFLASH_OK){ ++ dflru[2] = dflru[1]; ++ dflru[1] = dflru[0]; ++ dflru[0] = i; ++ dfvalid[i] |= DF_PAGE_VALID; ++ return (unsigned int) &dfcache[i][index]; ++ } ++ return 0; ++} ++ ++ ++ ++void df_writed(unsigned char *ldest, ulong laddr) ++{ ++ ++} ++void df_writew(unsigned char *ldest,ushort laddr) {} ++void df_writeb(unsigned char *ldest, u_char laddr) {} ++#endif ++ ++#if defined(CONFIG_HAS_DATAFLASH) ++void flush_mem_cache(void); ++ulong translate(unsigned int addr); ++#else ++#define flush_mem_cache(x) ++#define translate(x) x ++#endif + + static int mod_mem(cmd_tbl_t *, int, int, int, char *[]); + +@@ -67,7 +176,8 @@ + ulong nbytes, linebytes; + #endif + int size; +- int rc = 0; ++ int rc = 0; ++ int done = 0; + + /* We use the last specified parameters, unless new ones are + * entered. +@@ -106,26 +216,29 @@ + * We buffer all read data, so we can make sure data is read only + * once, and all accesses are with the specified bus width. + */ +- nbytes = length * size; +- do { +- char linebuf[DISP_LINE_LEN]; +- void* p; +- linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes; +- +- rc = read_dataflash(addr, (linebytes/size)*size, linebuf); +- p = (rc == DATAFLASH_OK) ? linebuf : (void*)addr; +- print_buffer(addr, p, size, linebytes/size, DISP_LINE_LEN/size); +- +- nbytes -= linebytes; +- addr += linebytes; +- if (ctrlc()) { +- rc = 1; +- break; +- } +- } while (nbytes > 0); +-#else ++ if(in_dataflash(addr)) { ++ nbytes = length * size; ++ do { ++ char linebuf[DISP_LINE_LEN]; ++ void* p; ++ linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes; ++ ++ rc = read_dataflash(addr, (linebytes/size)*size, linebuf); ++ p = (rc == DATAFLASH_OK) ? linebuf : (void*)addr; ++ print_buffer(addr, p, size, linebytes/size, DISP_LINE_LEN/size); ++ ++ nbytes -= linebytes; ++ addr += linebytes; ++ if (ctrlc()) { ++ rc = 1; ++ break; ++ } ++ } while (nbytes > 0); ++ done = 1; ++ } ++#endif + +-# if defined(CONFIG_BLACKFIN) ++#if defined(CONFIG_BLACKFIN) + /* See if we're trying to display L1 inst */ + if (addr_bfin_on_chip_mem(addr)) { + char linebuf[DISP_LINE_LEN]; +@@ -142,15 +255,15 @@ + break; + } + } while (nbytes > 0); +- } else +-# endif ++ done = 1; ++ } ++#endif + +- { ++ if (!done) { + /* Print the lines. */ + print_buffer(addr, (void*)addr, size, length, DISP_LINE_LEN/size); + addr += size*length; + } +-#endif + + dp_last_addr = addr; + dp_last_length = length; +@@ -273,6 +386,8 @@ + int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) + { + ulong addr1, addr2, count, ngood; ++ ulong laddr1, laddr2; ++ + int size; + int rcode = 0; + +@@ -294,12 +409,6 @@ + + count = simple_strtoul(argv[3], NULL, 16); + +-#ifdef CONFIG_HAS_DATAFLASH +- if (addr_dataflash(addr1) | addr_dataflash(addr2)){ +- puts ("Comparison with DataFlash space not supported.\n\r"); +- return 0; +- } +-#endif + + #ifdef CONFIG_BLACKFIN + if (addr_bfin_on_chip_mem(addr1) || addr_bfin_on_chip_mem(addr2)) { +@@ -308,9 +417,12 @@ + } + #endif + ++ flush_mem_cache(); + ngood = 0; + + while (count-- > 0) { ++ laddr1 = translate((ulong) addr1); ++ laddr2 = translate((ulong) addr2); + if (size == 4) { + ulong word1 = *(ulong *)addr1; + ulong word2 = *(ulong *)addr2; +@@ -359,6 +471,14 @@ + { + ulong addr, dest, count; + int size; ++#ifdef CONFIG_HAS_DATAFLASH ++ int rc; ++ unsigned int crc,oldcrc,use_crc; ++ unsigned int olddata; ++ char *p; ++ char *env_crc_check; ++ ++#endif + + if (argc != 4) { + printf ("Usage:\n%s\n", cmdtp->usage); +@@ -385,13 +505,14 @@ + + #ifndef CONFIG_SYS_NO_FLASH + /* check if we are copying to Flash */ +- if ( (addr2info(dest) != NULL) +-#ifdef CONFIG_HAS_DATAFLASH +- && (!addr_dataflash(dest)) +-#endif +- ) { ++ if (in_flash(dest)) { + int rc; +- ++#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_CMD_MMC) ++ if(in_dataflash(addr) || in_SD_card(addr)) { ++ puts ("Cannot copy to flash from storage...\n"); ++ return 1; ++ } ++#endif + puts ("Copy to Flash... "); + + rc = flash_write ((char *)addr, dest, count*size); +@@ -405,9 +526,15 @@ + #endif + + #if defined(CONFIG_CMD_MMC) +- if (mmc2info(dest)) { ++ if (in_SD_card(dest)) { + int rc; + ++#if defined(CONFIG_HAS_DATAFLASH) ++ if(in_dataflash(addr) || in_SD_card(addr)) { ++ puts ("Cannot copy to flash-card from another storage location...\n"); ++ return 1; ++ } ++#endif + puts ("Copy to MMC... "); + switch (rc = mmc_write ((uchar *)addr, dest, count*size)) { + case 0: +@@ -424,9 +551,12 @@ + return 0; + } + +- if (mmc2info(addr)) { ++ if (in_SD_card(addr)) { + int rc; +- ++ if(in_flash(dest) || in_dataflash(dest) || in_SD_card(dest)) { ++ puts ("Cannot copy from flash-card from another storage location...\n"); ++ return 1; ++ } + puts ("Copy from MMC... "); + switch (rc = mmc_read (addr, (uchar *)dest, count*size)) { + case 0: +@@ -445,39 +575,64 @@ + #endif + + #ifdef CONFIG_HAS_DATAFLASH +- /* Check if we are copying from RAM or Flash to DataFlash */ +- if (addr_dataflash(dest) && !addr_dataflash(addr)){ +- int rc; +- +- puts ("Copy to DataFlash... "); +- +- rc = write_dataflash (dest, addr, count*size); +- ++ /* Check if we are copying from Dataflash to RAM */ ++ /* Note: Cannot copy from Dataflash to Flash directly */ ++ env_crc_check = getenv("crc-check"); ++ use_crc = (strcmp(env_crc_check, "on") == 0); ++ if (in_dataflash(addr)) { ++ if(in_dataflash(dest) || in_flash(dest) || in_SD_card(dest)) { ++ puts ("Cannot copy to dataflash from another storage location...\n"); ++ return 1; ++ } ++ puts ("Copy from DataFlash..."); ++ rc = read_dataflash(addr, count * size, (char *) dest); + if (rc != 1) { + dataflash_perror (rc); + return (1); + } +- puts ("done\n"); +- return 0; +- } + +- /* Check if we are copying from DataFlash to RAM */ +- if (addr_dataflash(addr) && !addr_dataflash(dest) +-#ifndef CONFIG_SYS_NO_FLASH +- && (addr2info(dest) == NULL) +-#endif +- ){ +- int rc; +- rc = read_dataflash(addr, count * size, (char *) dest); ++ if (use_crc) { ++ puts ("(Calculating CRC) ... "); ++ p = (char *) dest + (count * size) + 3; ++ olddata = replace(p,0); ++ rc = read_dataflash(addr, (count * size)+4, (char *) dest); ++ oldcrc = replace(p,olddata); ++ crc = crc32 (0, (const uchar *) dest, count*size); ++ if(crc != oldcrc) { ++ printf("\n\rBad CRC, %x expected, found %x... \n\r",oldcrc,crc); ++ return 1; ++ } else { ++ printf("[0x%x]",crc); ++ } ++ } ++ puts ("done\n\r"); ++ return 0; ++ } else if (!in_dataflash(addr) && in_dataflash(dest)) { ++ if(in_dataflash(addr) || in_SD_card(addr)) { ++ puts ("Cannot copy to dataflash from another storage location...\n"); ++ return 1; ++ } ++ puts ("Copy to DataFlash... "); ++ if (use_crc) { ++ puts ("(Calulating CRC) ... "); ++ crc = crc32 (0, (const uchar *) addr, count*size); ++ // Save CRC in small endian format ++ printf("= 0x%08x written to [%08x] ... ",crc,(unsigned int) (dest + count * size)); ++ p = (char *) addr+(count*size); ++ olddata = replace(p,crc); ++ rc = write_dataflash (dest, addr, count*size+4); ++ crc = replace((char *) addr+(count*size),olddata); ++ } else { ++ rc = write_dataflash (dest, addr, count*size); ++ } + if (rc != 1) { + dataflash_perror (rc); + return (1); + } ++ puts ("done\n"); + return 0; +- } +- +- if (addr_dataflash(addr) && addr_dataflash(dest)){ +- puts ("Unsupported combination of source/destination.\n\r"); ++ } else if (in_dataflash(addr) && in_dataflash(dest)){ ++ puts ("Cannot copy between two dataflash areas\n\r"); + return 1; + } + #endif +@@ -490,6 +645,7 @@ + } + #endif + ++ /* Copy between RAM locations, or parallell flash to RAM */ + while (count-- > 0) { + if (size == 4) + *((ulong *)dest) = *((ulong *)addr); +@@ -1011,7 +1167,7 @@ + } + + #ifdef CONFIG_HAS_DATAFLASH +- if (addr_dataflash(addr)){ ++ if (in_dataflash(addr)){ + puts ("Can't modify DataFlash in place. Use cp instead.\n\r"); + return 0; + } + |