X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=common%2Fcmd_fdt.c;h=85921287f852243557c878b9dc7334df23eaba25;hb=47abe8ab290d2721a8eeadff65b939e6af8c01b0;hp=629c9b413ea6524cfebd565240ef098ace230ca8;hpb=9162352817579840d7802da6d85872b3ca003c97;p=platform%2Fkernel%2Fu-boot.git diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 629c9b4..8592128 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -42,8 +42,7 @@ DECLARE_GLOBAL_DATA_PTR; static int fdt_valid(void); -static int fdt_parse_prop(char *pathp, char *prop, char *newval, - char *data, int *len); +static int fdt_parse_prop(char **newval, int count, char *data, int *len); static int fdt_print(const char *pathp, char *prop, int depth); /* @@ -184,23 +183,28 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } else if (argv[1][0] == 's') { char *pathp; /* path */ char *prop; /* property */ - char *newval; /* value from the user (as a string) */ int nodeoffset; /* node offset from libfdt */ static char data[SCRATCHPAD]; /* storage for the property */ int len; /* new length of the property */ int ret; /* return value */ /* - * Parameters: Node path, property, value. + * Parameters: Node path, property, optional value. */ - if (argc < 5) { + if (argc < 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } pathp = argv[2]; prop = argv[3]; - newval = argv[4]; + if (argc == 4) { + len = 0; + } else { + ret = fdt_parse_prop(&argv[4], argc - 4, data, &len); + if (ret != 0) + return ret; + } nodeoffset = fdt_path_offset (fdt, pathp); if (nodeoffset < 0) { @@ -211,9 +215,6 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) fdt_strerror(nodeoffset)); return 1; } - ret = fdt_parse_prop(pathp, prop, newval, data, &len); - if (ret != 0) - return ret; ret = fdt_setprop(fdt, nodeoffset, prop, data, len); if (ret < 0) { @@ -258,7 +259,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /******************************************************************** * Remove a property/node ********************************************************************/ - } else if (argv[1][0] == 'r') { + } else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) { int nodeoffset; /* node offset from libfdt */ int err; @@ -294,26 +295,121 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return err; } } + + /******************************************************************** + * Display header info + ********************************************************************/ + } else if (argv[1][0] == 'h') { + u32 version = fdt_version(fdt); + printf("magic:\t\t\t0x%x\n", fdt_magic(fdt)); + printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt)); + printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt)); + printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt)); + printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt)); + printf("version:\t\t%d\n", version); + printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt)); + if (version >= 2) + printf("boot_cpuid_phys:\t0x%x\n", + fdt_boot_cpuid_phys(fdt)); + if (version >= 3) + printf("size_dt_strings:\t0x%x\n", + fdt_size_dt_strings(fdt)); + if (version >= 17) + printf("size_dt_struct:\t\t0x%x\n", + fdt_size_dt_struct(fdt)); + printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt)); + printf("\n"); + + /******************************************************************** + * Set boot cpu id + ********************************************************************/ + } else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') && + (argv[1][2] == 'o')) { + unsigned long tmp = simple_strtoul(argv[2], NULL, 16); + fdt_set_boot_cpuid_phys(fdt, tmp); + + /******************************************************************** + * memory command + ********************************************************************/ + } else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) { + uint64_t addr, size; + int err; +#ifdef CFG_64BIT_STRTOUL + addr = simple_strtoull(argv[2], NULL, 16); + size = simple_strtoull(argv[3], NULL, 16); +#else + addr = simple_strtoul(argv[2], NULL, 16); + size = simple_strtoul(argv[3], NULL, 16); +#endif + err = fdt_fixup_memory(fdt, addr, size); + if (err < 0) + return err; + + /******************************************************************** + * mem reserve commands + ********************************************************************/ + } else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) { + if (argv[2][0] == 'p') { + uint64_t addr, size; + int total = fdt_num_mem_rsv(fdt); + int j, err; + printf("index\t\t start\t\t size\n"); + printf("-------------------------------" + "-----------------\n"); + for (j = 0; j < total; j++) { + err = fdt_get_mem_rsv(fdt, j, &addr, &size); + if (err < 0) { + printf("libfdt fdt_get_mem_rsv(): %s\n", + fdt_strerror(err)); + return err; + } + printf(" %x\t%08x%08x\t%08x%08x\n", j, + (u32)(addr >> 32), + (u32)(addr & 0xffffffff), + (u32)(size >> 32), + (u32)(size & 0xffffffff)); + } + } else if (argv[2][0] == 'a') { + uint64_t addr, size; + int err; +#ifdef CFG_64BIT_STRTOUL + addr = simple_strtoull(argv[3], NULL, 16); + size = simple_strtoull(argv[4], NULL, 16); +#else + addr = simple_strtoul(argv[3], NULL, 16); + size = simple_strtoul(argv[4], NULL, 16); +#endif + err = fdt_add_mem_rsv(fdt, addr, size); + + if (err < 0) { + printf("libfdt fdt_add_mem_rsv(): %s\n", + fdt_strerror(err)); + return err; + } + } else if (argv[2][0] == 'd') { + unsigned long idx = simple_strtoul(argv[3], NULL, 16); + int err = fdt_del_mem_rsv(fdt, idx); + + if (err < 0) { + printf("libfdt fdt_del_mem_rsv(): %s\n", + fdt_strerror(err)); + return err; + } + } else { + /* Unrecognized command */ + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } } #ifdef CONFIG_OF_BOARD_SETUP /* Call the board-specific fixup routine */ - else if (argv[1][0] == 'b') + else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') && + (argv[1][2] == 'a')) ft_board_setup(fdt, gd->bd); #endif /* Create a chosen node */ else if (argv[1][0] == 'c') fdt_chosen(fdt, 0, 0, 1); - -#ifdef CONFIG_OF_HAS_UBOOT_ENV - /* Create a u-boot-env node */ - else if (argv[1][0] == 'e') - fdt_env(fdt); -#endif -#ifdef CONFIG_OF_HAS_BD_T - /* Create a bd_t node */ - else if (argv[1][0] == 'b') - fdt_bd_t(fdt); -#endif else { /* Unrecognized command */ printf ("Usage:\n%s\n", cmdtp->usage); @@ -368,69 +464,77 @@ static int fdt_valid(void) /* * Parse the user's input, partially heuristic. Valid formats: - * <00> - hex byte - * <0011> - hex half word (16 bits) - * <00112233> - hex word (32 bits) - * - hex double words (64 bits) are not supported, must use - * a byte stream instead. + * <0x00112233 4 05> - an array of cells. Numbers follow standard + * C conventions. * [00 11 22 .. nn] - byte stream * "string" - If the the value doesn't start with "<" or "[", it is * treated as a string. Note that the quotes are * stripped by the parser before we get the string. + * newval: An array of strings containing the new property as specified + * on the command line + * count: The number of strings in the array + * data: A bytestream to be placed in the property + * len: The length of the resulting bytestream */ -static int fdt_parse_prop(char *pathp, char *prop, char *newval, - char *data, int *len) +static int fdt_parse_prop(char **newval, int count, char *data, int *len) { char *cp; /* temporary char pointer */ + char *newp; /* temporary newval char pointer */ unsigned long tmp; /* holds converted values */ + int stridx = 0; - if (*newval == '<') { - /* - * Bigger values than bytes. - */ - *len = 0; - newval++; - while ((*newval != '>') && (*newval != '\0')) { - cp = newval; - tmp = simple_strtoul(cp, &newval, 16); - if ((newval - cp) <= 2) { - *data = tmp & 0xFF; - data += 1; - *len += 1; - } else if ((newval - cp) <= 4) { - *(uint16_t *)data = __cpu_to_be16(tmp); - data += 2; - *len += 2; - } else if ((newval - cp) <= 8) { - *(uint32_t *)data = __cpu_to_be32(tmp); - data += 4; - *len += 4; - } else { + *len = 0; + newp = newval[0]; + + /* An array of cells */ + if (*newp == '<') { + newp++; + while ((*newp != '>') && (stridx < count)) { + /* + * Keep searching until we find that last ">" + * That way users don't have to escape the spaces + */ + if (*newp == '\0') { + newp = newval[++stridx]; + continue; + } + + cp = newp; + tmp = simple_strtoul(cp, &newp, 0); + *(uint32_t *)data = __cpu_to_be32(tmp); + data += 4; + *len += 4; + + /* If the ptr didn't advance, something went wrong */ + if ((newp - cp) <= 0) { printf("Sorry, I could not convert \"%s\"\n", cp); return 1; } - while (*newval == ' ') - newval++; + + while (*newp == ' ') + newp++; } - if (*newval != '>') { - printf("Unexpected character '%c'\n", *newval); + + if (*newp != '>') { + printf("Unexpected character '%c'\n", *newp); return 1; } - } else if (*newval == '[') { + } else if (*newp == '[') { /* * Byte stream. Convert the values. */ - *len = 0; - newval++; - while ((*newval != ']') && (*newval != '\0')) { - tmp = simple_strtoul(newval, &newval, 16); + newp++; + while ((*newp != ']') && (stridx < count)) { + tmp = simple_strtoul(newp, &newp, 16); *data++ = tmp & 0xFF; *len = *len + 1; - while (*newval == ' ') - newval++; + while (*newp == ' ') + newp++; + if (*newp != '\0') + newp = newval[++stridx]; } - if (*newval != ']') { + if (*newp != ']') { printf("Unexpected character '%c'\n", *newval); return 1; } @@ -439,8 +543,11 @@ static int fdt_parse_prop(char *pathp, char *prop, char *newval, * Assume it is a string. Copy it into our data area for * convenience (including the terminating '\0'). */ - *len = strlen(newval) + 1; - strcpy(data, newval); + while (stridx < count) { + *len = strlen(newp) + 1; + strcpy(data, newp); + newp = newval[++stridx]; + } } return 0; } @@ -497,7 +604,6 @@ static int is_printable_string(const void *data, int len) static void print_data(const void *data, int len) { int j; - const u8 *s; /* no data, don't print */ if (len == 0) @@ -520,32 +626,20 @@ static void print_data(const void *data, int len) return; } - switch (len) { - case 1: /* byte */ - printf("<0x%02x>", (*(u8 *) data) & 0xff); - break; - case 2: /* half-word */ - printf("<0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); - break; - case 4: /* word */ - printf("<0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); - break; - case 8: /* double-word */ -#if __WORDSIZE == 64 - printf("<0x%016llx>", be64_to_cpu(*(uint64_t *) data)); -#else - printf("<0x%08x ", be32_to_cpu(*(u32 *) data) & 0xffffffffU); - data += 4; - printf("0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); -#endif - break; - default: /* anything else... hexdump */ + if ((len %4) == 0) { + const u32 *p; + + printf("<"); + for (j = 0, p = data; j < len/4; j ++) + printf("0x%x%s", p[j], j < (len/4 - 1) ? " " : ""); + printf(">"); + } else { /* anything else... hexdump */ + const u8 *s; + printf("["); for (j = 0, s = data; j < len; j++) printf("%02x%s", s[j], j < len - 1 ? " " : ""); printf("]"); - - break; } } @@ -588,7 +682,7 @@ static int fdt_print(const char *pathp, char *prop, int depth) printf("%s %s\n", pathp, prop); return 0; } else if (len > 0) { - printf("%s=", prop); + printf("%s = ", prop); print_data (nodep, len); printf("\n"); return 0; @@ -649,7 +743,7 @@ static int fdt_print(const char *pathp, char *prop, int depth) pathp); } else { if (level <= depth) { - printf("%s%s=", + printf("%s%s = ", &tabs[MAX_LEVEL - level], pathp); print_data (nodep, len); @@ -675,29 +769,25 @@ static int fdt_print(const char *pathp, char *prop, int depth) /********************************************************************/ U_BOOT_CMD( - fdt, 5, 0, do_fdt, + fdt, 255, 0, do_fdt, "fdt - flattened device tree utility commands\n", "addr [] - Set the fdt location to \n" #ifdef CONFIG_OF_BOARD_SETUP "fdt boardsetup - Do board-specific set up\n" #endif - "fdt move - Copy the fdt to \n" + "fdt move - Copy the fdt to and make it active\n" "fdt print [] - Recursive print starting at \n" "fdt list [] - Print one level starting at \n" "fdt set [] - Set [to ]\n" "fdt mknode - Create a new node after \n" "fdt rm [] - Delete the node or \n" + "fdt header - Display header info\n" + "fdt bootcpu - Set boot cpuid\n" + "fdt memory - Add/Update memory node\n" + "fdt rsvmem print - Show current mem reserves\n" + "fdt rsvmem add - Add a mem reserve\n" + "fdt rsvmem delete - Delete a mem reserves\n" "fdt chosen - Add/update the /chosen branch in the tree\n" -#ifdef CONFIG_OF_HAS_UBOOT_ENV - "fdt env - Add/replace the /u-boot-env branch in the tree\n" -#endif -#ifdef CONFIG_OF_HAS_BD_T - "fdt bd_t - Add/replace the /bd_t branch in the tree\n" -#endif - "Hints:\n" - " If the property you are setting/printing has a '#' character or spaces,\n" - " you MUST escape it with a \\ character or quote it with \".\n" - "Examples: fdt print / # print the whole tree\n" - " fdt print /cpus \"#address-cells\"\n" - " fdt set /cpus \"#address-cells\" \"[00 00 00 01]\"\n" + "NOTE: If the path or property you are setting/printing has a '#' character\n" + " or spaces, you MUST escape it with a \\ character or quote it with \".\n" );