diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/cmd_elf.c | 12 | ||||
-rw-r--r-- | common/cmd_i2c.c | 254 | ||||
-rw-r--r-- | common/cmd_nand.c | 284 |
3 files changed, 323 insertions, 227 deletions
diff --git a/common/cmd_elf.c b/common/cmd_elf.c index 1d92bb3..0e3d56f 100644 --- a/common/cmd_elf.c +++ b/common/cmd_elf.c @@ -79,7 +79,7 @@ int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * be either an ELF image or a raw binary. Will attempt to setup the * bootline and other parameters correctly. * ====================================================================== */ -int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { unsigned long addr; /* Address of image */ unsigned long bootaddr; /* Address to put the bootline */ @@ -96,12 +96,10 @@ int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * If we don't know where the image is then we're done. */ - if ((tmp = getenv ("loadaddr")) != NULL) { - addr = simple_strtoul (tmp, NULL, 16); - } else { - puts ("No load address provided\n"); - return 1; - } + if (argc < 2) + addr = load_addr; + else + addr = simple_strtoul (argv[1], NULL, 16); #if (CONFIG_COMMANDS & CFG_CMD_NET) /* Check to see if we need to tftp the image ourselves before starting */ diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index c543bb5..45cfde2 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -101,8 +101,31 @@ static uchar i2c_mm_last_chip; static uint i2c_mm_last_addr; static uint i2c_mm_last_alen; +/* If only one I2C bus is present, the list of devices to ignore when + * the probe command is issued is represented by a 1D array of addresses. + * When multiple buses are present, the list is an array of bus-address + * pairs. The following macros take care of this */ + #if defined(CFG_I2C_NOPROBES) +#if defined(CONFIG_I2C_MULTI_BUS) +static struct +{ + uchar bus; + uchar addr; +} i2c_no_probes[] = CFG_I2C_NOPROBES; +#define GET_BUS_NUM i2c_get_bus_num() +#define COMPARE_BUS(b,i) (i2c_no_probes[(i)].bus == (b)) +#define COMPARE_ADDR(a,i) (i2c_no_probes[(i)].addr == (a)) +#define NO_PROBE_ADDR(i) i2c_no_probes[(i)].addr +#else /* single bus */ static uchar i2c_no_probes[] = CFG_I2C_NOPROBES; +#define GET_BUS_NUM 0 +#define COMPARE_BUS(b,i) ((b) == 0) /* Make compiler happy */ +#define COMPARE_ADDR(a,i) (i2c_no_probes[(i)] == (a)) +#define NO_PROBE_ADDR(i) i2c_no_probes[(i)] +#endif /* CONFIG_MULTI_BUS */ + +#define NUM_ELEMENTS_NOPROBE (sizeof(i2c_no_probes)/sizeof(i2c_no_probes[0])) #endif static int @@ -151,7 +174,7 @@ int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ addr = simple_strtoul(argv[2], NULL, 16); alen = 1; - for(j = 0; j < 8; j++) { + for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; if (alen > 4) { @@ -159,9 +182,8 @@ int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } break; - } else if (argv[2][j] == '\0') { + } else if (argv[2][j] == '\0') break; - } } /* @@ -185,9 +207,9 @@ int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes; - if(i2c_read(chip, addr, alen, linebuf, linebytes) != 0) { + if (i2c_read(chip, addr, alen, linebuf, linebytes) != 0) puts ("Error reading the chip.\n"); - } else { + else { printf("%04x:", addr); cp = linebuf; for (j=0; j<linebytes; j++) { @@ -256,17 +278,16 @@ int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ addr = simple_strtoul(argv[2], NULL, 16); alen = 1; - for(j = 0; j < 8; j++) { + for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if(alen > 4) { + if (alen > 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } break; - } else if (argv[2][j] == '\0') { + } else if (argv[2][j] == '\0') break; - } } /* @@ -277,16 +298,14 @@ int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* * Optional count */ - if(argc == 5) { + if (argc == 5) count = simple_strtoul(argv[4], NULL, 16); - } else { + else count = 1; - } while (count-- > 0) { - if(i2c_write(chip, addr++, alen, &byte, 1) != 0) { + if (i2c_write(chip, addr++, alen, &byte, 1) != 0) puts ("Error writing the chip.\n"); - } /* * Wait for the write to complete. The write can take * up to 10mSec (we allow a little more time). @@ -303,9 +322,9 @@ int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) #endif #if 0 - for(timeout = 0; timeout < 10; timeout++) { + for (timeout = 0; timeout < 10; timeout++) { udelay(2000); - if(i2c_probe(chip) == 0) + if (i2c_probe(chip) == 0) break; } #endif @@ -346,17 +365,16 @@ int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ addr = simple_strtoul(argv[2], NULL, 16); alen = 1; - for(j = 0; j < 8; j++) { + for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if(alen > 4) { + if (alen > 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } break; - } else if (argv[2][j] == '\0') { + } else if (argv[2][j] == '\0') break; - } } /* @@ -371,19 +389,16 @@ int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ crc = 0; err = 0; - while(count-- > 0) { - if(i2c_read(chip, addr, alen, &byte, 1) != 0) { + while (count-- > 0) { + if (i2c_read(chip, addr, alen, &byte, 1) != 0) err++; - } crc = crc32 (crc, &byte, 1); addr++; } - if(err > 0) - { + if (err > 0) puts ("Error reading the chip,\n"); - } else { + else printf ("%08lx\n", crc); - } return 0; } @@ -441,17 +456,16 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) */ addr = simple_strtoul(argv[2], NULL, 16); alen = 1; - for(j = 0; j < 8; j++) { + for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if(alen > 4) { + if (alen > 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } break; - } else if (argv[2][j] == '\0') { + } else if (argv[2][j] == '\0') break; - } } } @@ -461,17 +475,16 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) */ do { printf("%08lx:", addr); - if(i2c_read(chip, addr, alen, (uchar *)&data, size) != 0) { + if (i2c_read(chip, addr, alen, (uchar *)&data, size) != 0) puts ("\nError reading the chip,\n"); - } else { + else { data = cpu_to_be32(data); - if(size == 1) { + if (size == 1) printf(" %02lx", (data >> 24) & 0x000000FF); - } else if(size == 2) { + else if (size == 2) printf(" %04lx", (data >> 16) & 0x0000FFFF); - } else { + else printf(" %08lx", data); - } } nbytes = readline (" ? "); @@ -488,19 +501,17 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) #endif } #ifdef CONFIG_BOOT_RETRY_TIME - else if (nbytes == -2) { + else if (nbytes == -2) break; /* timed out, exit the command */ - } #endif else { char *endp; data = simple_strtoul(console_buffer, &endp, 16); - if(size == 1) { + if (size == 1) data = data << 24; - } else if(size == 2) { + else if (size == 2) data = data << 16; - } data = be32_to_cpu(data); nbytes = endp - console_buffer; if (nbytes) { @@ -510,9 +521,8 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) */ reset_cmd_timeout(); #endif - if(i2c_write(chip, addr, alen, (uchar *)&data, size) != 0) { + if (i2c_write(chip, addr, alen, (uchar *)&data, size) != 0) puts ("Error writing the chip.\n"); - } #ifdef CFG_EEPROM_PAGE_WRITE_DELAY_MS udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000); #endif @@ -538,14 +548,15 @@ int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int j; #if defined(CFG_I2C_NOPROBES) int k, skip; -#endif + uchar bus = GET_BUS_NUM; +#endif /* NOPROBES */ puts ("Valid chip addresses:"); - for(j = 0; j < 128; j++) { + for (j = 0; j < 128; j++) { #if defined(CFG_I2C_NOPROBES) skip = 0; - for (k = 0; k < sizeof(i2c_no_probes); k++){ - if (j == i2c_no_probes[k]){ + for (k=0; k < NUM_ELEMENTS_NOPROBE; k++) { + if (COMPARE_BUS(bus, k) && COMPARE_ADDR(j, k)) { skip = 1; break; } @@ -553,16 +564,17 @@ int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (skip) continue; #endif - if(i2c_probe(j) == 0) { + if (i2c_probe(j) == 0) printf(" %02X", j); - } } putc ('\n'); #if defined(CFG_I2C_NOPROBES) puts ("Excluded chip addresses:"); - for( k = 0; k < sizeof(i2c_no_probes); k++ ) - printf(" %02X", i2c_no_probes[k] ); + for (k=0; k < NUM_ELEMENTS_NOPROBE; k++) { + if (COMPARE_BUS(bus,k)) + printf(" %02X", NO_PROBE_ADDR(k)); + } putc ('\n'); #endif @@ -601,7 +613,7 @@ int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ addr = simple_strtoul(argv[2], NULL, 16); alen = 1; - for(j = 0; j < 8; j++) { + for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; if (alen > 4) { @@ -609,9 +621,8 @@ int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } break; - } else if (argv[2][j] == '\0') { + } else if (argv[2][j] == '\0') break; - } } /* @@ -619,24 +630,21 @@ int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ length = 1; length = simple_strtoul(argv[3], NULL, 16); - if(length > sizeof(bytes)) { + if (length > sizeof(bytes)) length = sizeof(bytes); - } /* * The delay time (uSec) is optional. */ delay = 1000; - if (argc > 3) { + if (argc > 3) delay = simple_strtoul(argv[4], NULL, 10); - } /* * Run the loop... */ - while(1) { - if(i2c_read(chip, addr, alen, bytes, length) != 0) { + while (1) { + if (i2c_read(chip, addr, alen, bytes, length) != 0) puts ("Error reading the chip.\n"); - } udelay(delay); } @@ -671,7 +679,7 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) */ chip = simple_strtoul(argv[1], NULL, 16); - if(i2c_read(chip, 0, 1, data, sizeof(data)) != 0) { + if (i2c_read(chip, 0, 1, data, sizeof(data)) != 0) { puts ("No SDRAM Serial Presence Detect found.\n"); return 1; } @@ -680,7 +688,7 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) for (j = 0; j < 63; j++) { cksum += data[j]; } - if(cksum != data[63]) { + if (cksum != data[63]) { printf ("WARNING: Configuration data checksum failure:\n" " is 0x%02x, calculated 0x%02x\n", data[63], cksum); @@ -696,17 +704,15 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) default: puts ("unknown\n"); break; } puts ("Row address bits "); - if((data[3] & 0x00F0) == 0) { + if ((data[3] & 0x00F0) == 0) printf("%d\n", data[3] & 0x0F); - } else { + else printf("%d/%d\n", data[3] & 0x0F, (data[3] >> 4) & 0x0F); - } puts ("Column address bits "); - if((data[4] & 0x00F0) == 0) { + if ((data[4] & 0x00F0) == 0) printf("%d\n", data[4] & 0x0F); - } else { + else printf("%d/%d\n", data[4] & 0x0F, (data[4] >> 4) & 0x0F); - } printf("Module rows %d\n", data[5]); printf("Module data width %d bits\n", (data[7] << 8) | data[6]); puts ("Interface signal levels "); @@ -729,11 +735,10 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) case 2: puts ("ECC\n"); break; default: puts ("unknown\n"); break; } - if((data[12] & 0x80) == 0) { + if ((data[12] & 0x80) == 0) puts ("No self refresh, rate "); - } else { + else puts ("Self refresh, rate "); - } switch(data[12] & 0x7F) { case 0: puts ("15.625uS\n"); break; case 1: puts ("3.9uS\n"); break; @@ -744,17 +749,16 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) default: puts ("unknown\n"); break; } printf("SDRAM width (primary) %d\n", data[13] & 0x7F); - if((data[13] & 0x80) != 0) { + if ((data[13] & 0x80) != 0) { printf(" (second bank) %d\n", 2 * (data[13] & 0x7F)); } - if(data[14] != 0) { + if (data[14] != 0) { printf("EDC width %d\n", data[14] & 0x7F); - if((data[14] & 0x80) != 0) { + if ((data[14] & 0x80) != 0) printf(" (second bank) %d\n", 2 * (data[14] & 0x7F)); - } } printf("Min clock delay, back-to-back random column addresses %d\n", data[15]); @@ -852,18 +856,18 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) (data[35] & 0x80) ? '-' : '+', (data[35] >> 4) & 0x07, data[35] & 0x0F); puts ("Manufacturer's JEDEC ID "); - for(j = 64; j <= 71; j++) + for (j = 64; j <= 71; j++) printf("%02X ", data[j]); putc ('\n'); printf("Manufacturing Location %02X\n", data[72]); puts ("Manufacturer's Part Number "); - for(j = 73; j <= 90; j++) + for (j = 73; j <= 90; j++) printf("%02X ", data[j]); putc ('\n'); printf("Revision Code %02X %02X\n", data[91], data[92]); printf("Manufacturing Date %02X %02X\n", data[93], data[94]); puts ("Assembly Serial Number "); - for(j = 95; j <= 98; j++) + for (j = 95; j <= 98; j++) printf("%02X ", data[j]); putc ('\n'); printf("Speed rating PC%d\n", @@ -873,6 +877,74 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } #endif /* CFG_CMD_SDRAM */ +#if defined(CONFIG_I2C_CMD_TREE) +#if defined(CONFIG_I2C_MULTI_BUS) +int do_i2c_bus_num(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + int bus_idx, ret=0; + + if (argc == 1) + /* querying current setting */ + printf("Current bus is %d\n", i2c_get_bus_num()); + else { + bus_idx = simple_strtoul(argv[1], NULL, 10); + printf("Setting bus to %d\n", bus_idx); + ret = i2c_set_bus_num(bus_idx); + if (ret) + printf("Failure changing bus number (%d)\n", ret); + } + return ret; +} +#endif /* CONFIG_I2C_MULTI_BUS */ + +int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + int speed, ret=0; + + if (argc == 1) + /* querying current speed */ + printf("Current bus speed=%d\n", i2c_get_bus_speed()); + else { + speed = simple_strtoul(argv[1], NULL, 10); + printf("Setting bus speed to %d Hz\n", speed); + ret = i2c_set_bus_speed(speed); + if (ret) + printf("Failure changing bus speed (%d)\n", ret); + } + return ret; +} + +int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ +#if defined(CONFIG_I2C_MULTI_BUS) + if (!strncmp(argv[1], "de", 2)) + return do_i2c_bus_num(cmdtp, flag, --argc, ++argv); +#endif /* CONFIG_I2C_MULTI_BUS */ + if (!strncmp(argv[1], "sp", 2)) + return do_i2c_bus_speed(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "md", 2)) + return do_i2c_md(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "mm", 2)) + return do_i2c_mm(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "mw", 2)) + return do_i2c_mw(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "nm", 2)) + return do_i2c_nm(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "cr", 2)) + return do_i2c_crc(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "pr", 2)) + return do_i2c_probe(cmdtp, flag, --argc, ++argv); + if (!strncmp(argv[1], "lo", 2)) + return do_i2c_loop(cmdtp, flag, --argc, ++argv); +#if (CONFIG_COMMANDS & CFG_CMD_SDRAM) + if (!strncmp(argv[1], "sd", 2)) + return do_sdram(cmdtp, flag, --argc, ++argv); +#endif /* CFG_CMD_SDRAM */ + else + printf ("Usage:\n%s\n", cmdtp->usage); + return 0; +} +#endif /* CONFIG_I2C_CMD_TREE */ /***************************************************/ @@ -930,4 +1002,26 @@ U_BOOT_CMD( " (valid chip values 50..57)\n" ); #endif + +#if defined(CONFIG_I2C_CMD_TREE) +U_BOOT_CMD( + i2c, 6, 1, do_i2c, + "i2c - I2C sub-system\n", +#if defined(CONFIG_I2C_MULTI_BUS) + "dev [dev] - show or set current I2C bus\n" +#endif /* CONFIG_I2C_MULTI_BUS */ + "i2c speed [speed] - show or set I2C bus speed\n" + "i2c md chip address[.0, .1, .2] [# of objects] - read from I2C device\n" + "i2c mm chip address[.0, .1, .2] - write to I2C device (auto-incrementing)\n" + "i2c mw chip address[.0, .1, .2] value [count] - write to I2C device (fill)\n" + "i2c nm chip address[.0, .1, .2] - write to I2C device (constant address)\n" + "i2c crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n" + "i2c probe - show devices on the I2C bus\n" + "i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device\n" +#if (CONFIG_COMMANDS & CFG_CMD_SDRAM) + "i2c sdram chip - print SDRAM configuration information\n" +#endif /* CFG_CMD_SDRAM */ +); +#endif /* CONFIG_I2C_CMD_TREE */ + #endif /* CFG_CMD_I2C */ diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 7286726..b011b5e 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -684,178 +684,182 @@ extern int nand_write_oob(struct nand_chip *nand, size_t ofs, size_t len, size_t *retlen, const u_char *buf); -int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - int rcode = 0; - - switch (argc) { - case 0: - case 1: - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - case 2: - if (strcmp(argv[1],"info") == 0) { - int i; + int rcode = 0; - putc ('\n'); + switch (argc) { + case 0: + case 1: + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + case 2: + if (strcmp (argv[1], "info") == 0) { + int i; - for (i=0; i<CFG_MAX_NAND_DEVICE; ++i) { - if(nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN) - continue; /* list only known devices */ - printf ("Device %d: ", i); - nand_print(&nand_dev_desc[i]); - } - return 0; + putc ('\n'); - } else if (strcmp(argv[1],"device") == 0) { - if ((curr_device < 0) || (curr_device >= CFG_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d: ", curr_device); - nand_print(&nand_dev_desc[curr_device]); - return 0; + for (i = 0; i < CFG_MAX_NAND_DEVICE; ++i) { + if (nand_dev_desc[i].ChipID == + NAND_ChipID_UNKNOWN) + continue; /* list only known devices */ + printf ("Device %d: ", i); + nand_print (&nand_dev_desc[i]); + } + return 0; - } else if (strcmp(argv[1],"bad") == 0) { - if ((curr_device < 0) || (curr_device >= CFG_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d bad blocks:\n", curr_device); - nand_print_bad(&nand_dev_desc[curr_device]); - return 0; + } else if (strcmp (argv[1], "device") == 0) { + if ((curr_device < 0) + || (curr_device >= CFG_MAX_NAND_DEVICE)) { + puts ("\nno devices available\n"); + return 1; + } + printf ("\nDevice %d: ", curr_device); + nand_print (&nand_dev_desc[curr_device]); + return 0; - } - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - case 3: - if (strcmp(argv[1],"device") == 0) { - int dev = (int)simple_strtoul(argv[2], NULL, 10); + } else if (strcmp (argv[1], "bad") == 0) { + if ((curr_device < 0) + || (curr_device >= CFG_MAX_NAND_DEVICE)) { + puts ("\nno devices available\n"); + return 1; + } + printf ("\nDevice %d bad blocks:\n", curr_device); + nand_print_bad (&nand_dev_desc[curr_device]); + return 0; - printf ("\nDevice %d: ", dev); - if (dev >= CFG_MAX_NAND_DEVICE) { - puts ("unknown device\n"); - return 1; } - nand_print(&nand_dev_desc[dev]); - /*nand_print (dev);*/ + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + case 3: + if (strcmp (argv[1], "device") == 0) { + int dev = (int) simple_strtoul (argv[2], NULL, 10); - if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { - return 1; - } + printf ("\nDevice %d: ", dev); + if (dev >= CFG_MAX_NAND_DEVICE) { + puts ("unknown device\n"); + return 1; + } + nand_print (&nand_dev_desc[dev]); + /*nand_print (dev); */ + + if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { + return 1; + } - curr_device = dev; + curr_device = dev; - puts ("... is now current device\n"); + puts ("... is now current device\n"); - return 0; - } - else if (strcmp(argv[1],"erase") == 0 && strcmp(argv[2], "clean") == 0) { - struct nand_chip* nand = &nand_dev_desc[curr_device]; - ulong off = 0; - ulong size = nand->totlen; - int ret; + return 0; + } else if (strcmp (argv[1], "erase") == 0 + && strcmp (argv[2], "clean") == 0) { + struct nand_chip *nand = &nand_dev_desc[curr_device]; + ulong off = 0; + ulong size = nand->totlen; + int ret; - printf ("\nNAND erase: device %d offset %ld, size %ld ... ", - curr_device, off, size); + printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - ret = nand_legacy_erase (nand, off, size, 1); + ret = nand_legacy_erase (nand, off, size, 1); - printf("%s\n", ret ? "ERROR" : "OK"); + printf ("%s\n", ret ? "ERROR" : "OK"); - return ret; - } + return ret; + } - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - default: - /* at least 4 args */ - - if (strncmp(argv[1], "read", 4) == 0 || - strncmp(argv[1], "write", 5) == 0) { - ulong addr = simple_strtoul(argv[2], NULL, 16); - ulong off = simple_strtoul(argv[3], NULL, 16); - ulong size = simple_strtoul(argv[4], NULL, 16); - int cmd = (strncmp(argv[1], "read", 4) == 0) ? + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + default: + /* at least 4 args */ + + if (strncmp (argv[1], "read", 4) == 0 || + strncmp (argv[1], "write", 5) == 0) { + ulong addr = simple_strtoul (argv[2], NULL, 16); + ulong off = simple_strtoul (argv[3], NULL, 16); + ulong size = simple_strtoul (argv[4], NULL, 16); + int cmd = (strncmp (argv[1], "read", 4) == 0) ? NANDRW_READ : NANDRW_WRITE; - int ret, total; - char* cmdtail = strchr(argv[1], '.'); - - if (cmdtail && !strncmp(cmdtail, ".oob", 2)) { - /* read out-of-band data */ - if (cmd & NANDRW_READ) { - ret = nand_read_oob(nand_dev_desc + curr_device, - off, size, (size_t *)&total, - (u_char*)addr); - } - else { - ret = nand_write_oob(nand_dev_desc + curr_device, - off, size, (size_t *)&total, - (u_char*)addr); + int ret, total; + char *cmdtail = strchr (argv[1], '.'); + + if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { + /* read out-of-band data */ + if (cmd & NANDRW_READ) { + ret = nand_read_oob (nand_dev_desc + curr_device, + off, size, (size_t *) & total, + (u_char *) addr); + } else { + ret = nand_write_oob (nand_dev_desc + curr_device, + off, size, (size_t *) & total, + (u_char *) addr); + } + return ret; + } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) + cmd |= NANDRW_JFFS2; /* skip bad blocks */ + else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) { + cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ + if (cmd & NANDRW_READ) + cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ } - return ret; - } - else if (cmdtail && !strncmp(cmdtail, ".jffs2", 2)) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ - else if (cmdtail && !strncmp(cmdtail, ".jffs2s", 2)) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } #ifdef SXNI855T - /* need ".e" same as ".j" for compatibility with older units */ - else if (cmdtail && !strcmp(cmdtail, ".e")) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ + /* need ".e" same as ".j" for compatibility with older units */ + else if (cmdtail && !strcmp (cmdtail, ".e")) + cmd |= NANDRW_JFFS2; /* skip bad blocks */ #endif #ifdef CFG_NAND_SKIP_BAD_DOT_I - /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ - /* ".i" for image -> read skips bad block (no 0xff) */ - else if (cmdtail && !strcmp(cmdtail, ".i")) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } + /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ + /* ".i" for image -> read skips bad block (no 0xff) */ + else if (cmdtail && !strcmp (cmdtail, ".i")) { + cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ + if (cmd & NANDRW_READ) + cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ + } #endif /* CFG_NAND_SKIP_BAD_DOT_I */ - else if (cmdtail) { - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - } + else if (cmdtail) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } - printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", - (cmd & NANDRW_READ) ? "read" : "write", - curr_device, off, size); + printf ("\nNAND %s: device %d offset %ld, size %ld ...\n", + (cmd & NANDRW_READ) ? "read" : "write", + curr_device, off, size); - ret = nand_legacy_rw(nand_dev_desc + curr_device, cmd, off, size, - (size_t *)&total, (u_char*)addr); + ret = nand_legacy_rw (nand_dev_desc + curr_device, + cmd, off, size, + (size_t *) & total, + (u_char *) addr); - printf (" %d bytes %s: %s\n", total, - (cmd & NANDRW_READ) ? "read" : "written", - ret ? "ERROR" : "OK"); + printf (" %d bytes %s: %s\n", total, + (cmd & NANDRW_READ) ? "read" : "written", + ret ? "ERROR" : "OK"); - return ret; - } else if (strcmp(argv[1],"erase") == 0 && - (argc == 4 || strcmp("clean", argv[2]) == 0)) { - int clean = argc == 5; - ulong off = simple_strtoul(argv[2 + clean], NULL, 16); - ulong size = simple_strtoul(argv[3 + clean], NULL, 16); - int ret; + return ret; + } else if (strcmp (argv[1], "erase") == 0 && + (argc == 4 || strcmp ("clean", argv[2]) == 0)) { + int clean = argc == 5; + ulong off = + simple_strtoul (argv[2 + clean], NULL, 16); + ulong size = + simple_strtoul (argv[3 + clean], NULL, 16); + int ret; - printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", - curr_device, off, size); + printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", + curr_device, off, size); - ret = nand_legacy_erase (nand_dev_desc + curr_device, - off, size, clean); + ret = nand_legacy_erase (nand_dev_desc + curr_device, + off, size, clean); - printf("%s\n", ret ? "ERROR" : "OK"); + printf ("%s\n", ret ? "ERROR" : "OK"); - return ret; - } else { - printf ("Usage:\n%s\n", cmdtp->usage); - rcode = 1; - } + return ret; + } else { + printf ("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } - return rcode; - } + return rcode; + } } U_BOOT_CMD( |