diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_bootm.c | 2 | ||||
| -rw-r--r-- | common/cmd_i2c.c | 158 | ||||
| -rw-r--r-- | common/cmd_mtdparts.c | 2 | ||||
| -rw-r--r-- | common/cmd_setexpr.c | 34 | ||||
| -rw-r--r-- | common/fdt_support.c | 219 | ||||
| -rw-r--r-- | common/main.c | 6 |
6 files changed, 368 insertions, 53 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 23ab0c4..827d542 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -462,7 +462,7 @@ static int bootm_start_standalone(ulong iflag, int argc, char *argv[]) /* we overload the cmd field with our state machine info instead of a * function pointer */ -cmd_tbl_t cmd_bootm_sub[] = { +static cmd_tbl_t cmd_bootm_sub[] = { U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""), U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""), #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index 62cbd33..ee9577c 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -154,6 +154,63 @@ int i2c_set_bus_speed(unsigned int) */ #define DISP_LINE_LEN 16 +/* + * Syntax: + * i2c read {i2c_chip} {devaddr}{.0, .1, .2} {len} {memaddr} + */ + +int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + u_char chip; + uint devaddr, alen, length; + u_char *memaddr; + int j; + + if (argc != 5) { + cmd_usage(cmdtp); + return 1; + } + + /* + * I2C chip address + */ + chip = simple_strtoul(argv[1], NULL, 16); + + /* + * I2C data address within the chip. This can be 1 or + * 2 bytes long. Some day it might be 3 bytes long :-). + */ + devaddr = simple_strtoul(argv[2], NULL, 16); + alen = 1; + for (j = 0; j < 8; j++) { + if (argv[2][j] == '.') { + alen = argv[2][j+1] - '0'; + if (alen > 3) { + cmd_usage(cmdtp); + return 1; + } + break; + } else if (argv[2][j] == '\0') + break; + } + + /* + * Length is the number of objects, not number of bytes. + */ + length = simple_strtoul(argv[3], NULL, 16); + + /* + * memaddr is the address where to store things in memory + */ + memaddr = (u_char *)simple_strtoul(argv[4], NULL, 16); + + if (i2c_read(chip, devaddr, alen, memaddr, length) != 0) { + puts ("Error reading the chip.\n"); + return 1; + } + return 0; +} + int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { u_char chip; @@ -193,7 +250,7 @@ int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if (alen > 4) { + if (alen > 3) { cmd_usage(cmdtp); return 1; } @@ -287,7 +344,7 @@ int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if (alen > 4) { + if (alen > 3) { cmd_usage(cmdtp); return 1; } @@ -361,7 +418,7 @@ int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if (alen > 4) { + if (alen > 3) { cmd_usage(cmdtp); return 1; } @@ -451,7 +508,7 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if (alen > 4) { + if (alen > 3) { cmd_usage(cmdtp); return 1; } @@ -607,7 +664,7 @@ int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) for (j = 0; j < 8; j++) { if (argv[2][j] == '.') { alen = argv[2][j+1] - '0'; - if (alen > 4) { + if (alen > 3) { cmd_usage(cmdtp); return 1; } @@ -1242,46 +1299,60 @@ int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return ret; } -int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_i2c_mm(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - /* Strip off leading 'i2c' command argument */ - argc--; - argv++; + return mod_i2c_mem (cmdtp, 1, flag, argc, argv); +} + +int do_i2c_nm(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + return mod_i2c_mem (cmdtp, 0, flag, argc, argv); +} + +int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + return 0; +} +static cmd_tbl_t cmd_i2c_sub[] = { #if defined(CONFIG_I2C_MUX) - if (!strncmp(argv[0], "bu", 2)) - return do_i2c_add_bus(cmdtp, flag, argc, argv); + U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_add_bus, "", ""), #endif /* CONFIG_I2C_MUX */ - if (!strncmp(argv[0], "sp", 2)) - return do_i2c_bus_speed(cmdtp, flag, argc, argv); + U_BOOT_CMD_MKENT(crc32, 3, 1, do_i2c_crc, "", ""), #if defined(CONFIG_I2C_MULTI_BUS) - if (!strncmp(argv[0], "de", 2)) - return do_i2c_bus_num(cmdtp, flag, argc, argv); + U_BOOT_CMD_MKENT(dev, 1, 1, do_i2c_bus_num, "", ""), #endif /* CONFIG_I2C_MULTI_BUS */ - if (!strncmp(argv[0], "md", 2)) - return do_i2c_md(cmdtp, flag, argc, argv); - if (!strncmp(argv[0], "mm", 2)) - return mod_i2c_mem (cmdtp, 1, flag, argc, argv); - if (!strncmp(argv[0], "mw", 2)) - return do_i2c_mw(cmdtp, flag, argc, argv); - if (!strncmp(argv[0], "nm", 2)) - return mod_i2c_mem (cmdtp, 0, flag, argc, argv); - if (!strncmp(argv[0], "cr", 2)) - return do_i2c_crc(cmdtp, flag, argc, argv); - if (!strncmp(argv[0], "pr", 2)) - return do_i2c_probe(cmdtp, flag, argc, argv); - if (!strncmp(argv[0], "re", 2)) { - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - return 0; - } - if (!strncmp(argv[0], "lo", 2)) - return do_i2c_loop(cmdtp, flag, argc, argv); + U_BOOT_CMD_MKENT(loop, 3, 1, do_i2c_loop, "", ""), + U_BOOT_CMD_MKENT(md, 3, 1, do_i2c_md, "", ""), + U_BOOT_CMD_MKENT(mm, 2, 1, do_i2c_mm, "", ""), + U_BOOT_CMD_MKENT(mw, 3, 1, do_i2c_mw, "", ""), + U_BOOT_CMD_MKENT(nm, 2, 1, do_i2c_nm, "", ""), + U_BOOT_CMD_MKENT(probe, 0, 1, do_i2c_probe, "", ""), + U_BOOT_CMD_MKENT(read, 5, 1, do_i2c_read, "", ""), + U_BOOT_CMD_MKENT(reset, 0, 1, do_i2c_reset, "", ""), #if defined(CONFIG_CMD_SDRAM) - if (!strncmp(argv[0], "sd", 2)) - return do_sdram(cmdtp, flag, argc, argv); + U_BOOT_CMD_MKENT(sdram, 1, 1, do_sdram, "", ""), #endif - cmd_usage(cmdtp); - return 0; + U_BOOT_CMD_MKENT(speed, 1, 1, do_i2c_bus_speed, "", ""), +}; + +int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + cmd_tbl_t *c; + + /* Strip off leading 'i2c' command argument */ + argc--; + argv++; + + c = find_cmd_tbl(argv[0], &cmd_i2c_sub[0], ARRAY_SIZE(cmd_i2c_sub)); + + if (c) { + return c->cmd(cmdtp, flag, argc, argv); + } else { + cmd_usage(cmdtp); + return 1; + } } /***************************************************/ @@ -1289,29 +1360,28 @@ int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( i2c, 6, 1, do_i2c, "I2C sub-system", - "speed [speed] - show or set I2C bus speed\n" #if defined(CONFIG_I2C_MUX) - "i2c bus [muxtype:muxaddr:muxchannel] - add a new bus reached over muxes\n" + "bus [muxtype:muxaddr:muxchannel] - add a new bus reached over muxes\ni2c " #endif /* CONFIG_I2C_MUX */ + "crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n" #if defined(CONFIG_I2C_MULTI_BUS) "i2c dev [dev] - show or set current I2C bus\n" #endif /* CONFIG_I2C_MULTI_BUS */ + "i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device\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 read chip address[.0, .1, .2] length memaddress - read to memory \n" "i2c reset - re-init the I2C Controller\n" - "i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device" #if defined(CONFIG_CMD_SDRAM) - "\n" - "i2c sdram chip - print SDRAM configuration information" + "i2c sdram chip - print SDRAM configuration information\n" #endif + "i2c speed [speed] - show or set I2C bus speed" ); #if defined(CONFIG_I2C_MUX) - int i2c_mux_add_device(I2C_MUX_DEVICE *dev) { I2C_MUX_DEVICE *devtmp = i2c_mux_devices; diff --git a/common/cmd_mtdparts.c b/common/cmd_mtdparts.c index 20fed2a..0b5f747 100644 --- a/common/cmd_mtdparts.c +++ b/common/cmd_mtdparts.c @@ -776,7 +776,7 @@ static int device_del(struct mtd_device *dev) * @param num device number * @return NULL if requested device does not exist */ -static struct mtd_device* device_find(u8 type, u8 num) +struct mtd_device *device_find(u8 type, u8 num) { struct list_head *entry; struct mtd_device *dev_tmp; diff --git a/common/cmd_setexpr.c b/common/cmd_setexpr.c index f8b5d4d..2d37197 100644 --- a/common/cmd_setexpr.c +++ b/common/cmd_setexpr.c @@ -28,10 +28,33 @@ #include <config.h> #include <command.h> +static ulong get_arg(char *s, int w) +{ + ulong *p; + + /* + * if the parameter starts with a '*' then assume + * it is a pointer to the value we want + */ + + if (s[0] == '*') { + p = (ulong *)simple_strtoul(&s[1], NULL, 16); + switch (w) { + case 1: return((ulong)(*(uchar *)p)); + case 2: return((ulong)(*(ushort *)p)); + case 4: + default: return(*p); + } + } else { + return simple_strtoul(s, NULL, 16); + } +} + int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { ulong a, b; char buf[16]; + int w; /* Validate arguments */ if ((argc != 5) || (strlen(argv[3]) != 1)) { @@ -39,8 +62,10 @@ int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } - a = simple_strtoul(argv[2], NULL, 16); - b = simple_strtoul(argv[4], NULL, 16); + w = cmd_get_data_size(argv[0], 4); + + a = get_arg(argv[2], w); + b = get_arg(argv[4], w); switch (argv[3][0]) { case '|': sprintf(buf, "%lx", (a | b)); break; @@ -64,7 +89,8 @@ int do_setexpr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD( setexpr, 5, 0, do_setexpr, "set environment variable as the result of eval expression", - "name value1 <op> value2\n" + "[.b, .w, .l] name value1 <op> value2\n" " - set environment variable 'name' to the result of the evaluated\n" - " express specified by <op>. <op> can be &, |, ^, +, -, *, /, %" + " express specified by <op>. <op> can be &, |, ^, +, -, *, /, %\n" + " size argument is only meaningful if value1 and/or value2 are memory addresses" ); diff --git a/common/fdt_support.c b/common/fdt_support.c index f89a3ee..b7d4fe5 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -757,3 +757,222 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) return -1; } #endif + +#ifdef CONFIG_FDT_FIXUP_PARTITIONS +#include <jffs2/load_kernel.h> +#include <mtd_node.h> + +struct reg_cell { + unsigned int r0; + unsigned int r1; +}; + +int fdt_del_subnodes(const void *blob, int parent_offset) +{ + int off, ndepth; + int ret; + + for (ndepth = 0, off = fdt_next_node(blob, parent_offset, &ndepth); + (off >= 0) && (ndepth > 0); + off = fdt_next_node(blob, off, &ndepth)) { + if (ndepth == 1) { + debug("delete %s: offset: %x\n", + fdt_get_name(blob, off, 0), off); + ret = fdt_del_node((void *)blob, off); + if (ret < 0) { + printf("Can't delete node: %s\n", + fdt_strerror(ret)); + return ret; + } else { + ndepth = 0; + off = parent_offset; + } + } + } + return 0; +} + +int fdt_increase_size(void *fdt, int add_len) +{ + int newlen; + + newlen = fdt_totalsize(fdt) + add_len; + + /* Open in place with a new len */ + return fdt_open_into(fdt, fdt, newlen); +} + +int fdt_del_partitions(void *blob, int parent_offset) +{ + const void *prop; + int ndepth = 0; + int off; + int ret; + + off = fdt_next_node(blob, parent_offset, &ndepth); + if (off > 0 && ndepth == 1) { + prop = fdt_getprop(blob, off, "label", NULL); + if (prop == NULL) { + /* + * Could not find label property, nand {}; node? + * Check subnode, delete partitions there if any. + */ + return fdt_del_partitions(blob, off); + } else { + ret = fdt_del_subnodes(blob, parent_offset); + if (ret < 0) { + printf("Can't remove subnodes: %s\n", + fdt_strerror(ret)); + return ret; + } + } + } + return 0; +} + +int fdt_node_set_part_info(void *blob, int parent_offset, + struct mtd_device *dev) +{ + struct list_head *pentry; + struct part_info *part; + struct reg_cell cell; + int off, ndepth = 0; + int part_num, ret; + char buf[64]; + + ret = fdt_del_partitions(blob, parent_offset); + if (ret < 0) + return ret; + + /* + * Check if it is nand {}; subnode, adjust + * the offset in this case + */ + off = fdt_next_node(blob, parent_offset, &ndepth); + if (off > 0 && ndepth == 1) + parent_offset = off; + + part_num = 0; + list_for_each_prev(pentry, &dev->parts) { + int newoff; + + part = list_entry(pentry, struct part_info, link); + + debug("%2d: %-20s0x%08x\t0x%08x\t%d\n", + part_num, part->name, part->size, + part->offset, part->mask_flags); + + sprintf(buf, "partition@%x", part->offset); +add_sub: + ret = fdt_add_subnode(blob, parent_offset, buf); + if (ret == -FDT_ERR_NOSPACE) { + ret = fdt_increase_size(blob, 512); + if (!ret) + goto add_sub; + else + goto err_size; + } else if (ret < 0) { + printf("Can't add partition node: %s\n", + fdt_strerror(ret)); + return ret; + } + newoff = ret; + + /* Check MTD_WRITEABLE_CMD flag */ + if (part->mask_flags & 1) { +add_ro: + ret = fdt_setprop(blob, newoff, "read_only", NULL, 0); + if (ret == -FDT_ERR_NOSPACE) { + ret = fdt_increase_size(blob, 512); + if (!ret) + goto add_ro; + else + goto err_size; + } else if (ret < 0) + goto err_prop; + } + + cell.r0 = cpu_to_fdt32(part->offset); + cell.r1 = cpu_to_fdt32(part->size); +add_reg: + ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell)); + if (ret == -FDT_ERR_NOSPACE) { + ret = fdt_increase_size(blob, 512); + if (!ret) + goto add_reg; + else + goto err_size; + } else if (ret < 0) + goto err_prop; + +add_label: + ret = fdt_setprop_string(blob, newoff, "label", part->name); + if (ret == -FDT_ERR_NOSPACE) { + ret = fdt_increase_size(blob, 512); + if (!ret) + goto add_label; + else + goto err_size; + } else if (ret < 0) + goto err_prop; + + part_num++; + } + return 0; +err_size: + printf("Can't increase blob size: %s\n", fdt_strerror(ret)); + return ret; +err_prop: + printf("Can't add property: %s\n", fdt_strerror(ret)); + return ret; +} + +/* + * Update partitions in nor/nand nodes using info from + * mtdparts environment variable. The nodes to update are + * specified by node_info structure which contains mtd device + * type and compatible string: E. g. the board code in + * ft_board_setup() could use: + * + * struct node_info nodes[] = { + * { "fsl,mpc5121-nfc", MTD_DEV_TYPE_NAND, }, + * { "cfi-flash", MTD_DEV_TYPE_NOR, }, + * }; + * + * fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); + */ +void fdt_fixup_mtdparts(void *blob, void *node_info, int node_info_size) +{ + struct node_info *ni = node_info; + struct mtd_device *dev; + char *parts; + int i, idx; + int noff; + + parts = getenv("mtdparts"); + if (!parts) + return; + + if (mtdparts_init() != 0) + return; + + for (i = 0; i < node_info_size; i++) { + idx = 0; + noff = fdt_node_offset_by_compatible(blob, -1, ni[i].compat); + while (noff != -FDT_ERR_NOTFOUND) { + debug("%s: %s, mtd dev type %d\n", + fdt_get_name(blob, noff, 0), + ni[i].compat, ni[i].type); + dev = device_find(ni[i].type, idx++); + if (dev) { + if (fdt_node_set_part_info(blob, noff, dev)) + return; /* return on error */ + } + + /* Jump to next flash node */ + noff = fdt_node_offset_by_compatible(blob, noff, + ni[i].compat); + } + } +} +#endif diff --git a/common/main.c b/common/main.c index c860b0b..3949a5b 100644 --- a/common/main.c +++ b/common/main.c @@ -68,7 +68,7 @@ static int abortboot(int); #undef DEBUG_PARSER -char console_buffer[CONFIG_SYS_CBSIZE]; /* console I/O buffer */ +char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */ static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen); static char erase_seq[] = "\b \b"; /* erase sequence */ @@ -526,7 +526,7 @@ void reset_cmd_timeout(void) #define CTL_CH(c) ((c) - 'a' + 1) -#define MAX_CMDBUF_SIZE 256 +#define MAX_CMDBUF_SIZE CONFIG_SYS_CBSIZE #define CTL_BACKSPACE ('\b') #define DEL ((char)255) @@ -546,7 +546,7 @@ static int hist_cur = -1; unsigned hist_num = 0; char* hist_list[HIST_MAX]; -char hist_lines[HIST_MAX][HIST_SIZE]; +char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */ #define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) |