diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_fdt.c | 112 |
1 files changed, 111 insertions, 1 deletions
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 9cd22ee..c31560b 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -260,7 +260,7 @@ 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; @@ -296,6 +296,110 @@ 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')) { + 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 */ @@ -689,6 +793,12 @@ U_BOOT_CMD( "fdt set <path> <prop> [<val>] - Set <property> [to <val>]\n" "fdt mknode <path> <node> - Create a new node after <path>\n" "fdt rm <path> [<prop>] - Delete the node or <property>\n" + "fdt header - Display header info\n" + "fdt bootcpu <id> - Set boot cpuid\n" + "fdt memory <addr> <size> - Add/Update memory node\n" + "fdt rsvmem print - Show current mem reserves\n" + "fdt rsvmem add <addr> <size> - Add a mem reserve\n" + "fdt rsvmem delete <index> - 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" |