mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 06:00:43 +00:00
Add sub-commands to fdt
fdt header - Display header info fdt bootcpu <id> - Set boot cpuid fdt memory <addr> <size> - Add/Update memory node fdt rsvmem print - Show current mem reserves fdt rsvmem add <addr> <size> - Add a mem reserve fdt rsvmem delete <index> - Delete a mem reserves Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
Gerald Van Baren
parent
f84d65f9b0
commit
804887e600
1 changed files with 111 additions and 1 deletions
112
common/cmd_fdt.c
112
common/cmd_fdt.c
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@ -260,7 +260,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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/********************************************************************
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* Remove a property/node
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********************************************************************/
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} else if (argv[1][0] == 'r') {
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} else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) {
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int nodeoffset; /* node offset from libfdt */
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int err;
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@ -296,6 +296,110 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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return err;
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}
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}
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/********************************************************************
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* Display header info
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********************************************************************/
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} else if (argv[1][0] == 'h') {
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u32 version = fdt_version(fdt);
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printf("magic:\t\t\t0x%x\n", fdt_magic(fdt));
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printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt));
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printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt));
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printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt));
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printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt));
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printf("version:\t\t%d\n", version);
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printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
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if (version >= 2)
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printf("boot_cpuid_phys:\t0x%x\n",
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fdt_boot_cpuid_phys(fdt));
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if (version >= 3)
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printf("size_dt_strings:\t0x%x\n",
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fdt_size_dt_strings(fdt));
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if (version >= 17)
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printf("size_dt_struct:\t\t0x%x\n",
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fdt_size_dt_struct(fdt));
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printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt));
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printf("\n");
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/********************************************************************
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* Set boot cpu id
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********************************************************************/
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} else if ((argv[1][0] == 'b') && (argv[1][1] == 'o')) {
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unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
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fdt_set_boot_cpuid_phys(fdt, tmp);
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/********************************************************************
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* memory command
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********************************************************************/
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} else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) {
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uint64_t addr, size;
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int err;
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#ifdef CFG_64BIT_STRTOUL
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addr = simple_strtoull(argv[2], NULL, 16);
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size = simple_strtoull(argv[3], NULL, 16);
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#else
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addr = simple_strtoul(argv[2], NULL, 16);
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size = simple_strtoul(argv[3], NULL, 16);
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#endif
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err = fdt_fixup_memory(fdt, addr, size);
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if (err < 0)
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return err;
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/********************************************************************
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* mem reserve commands
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********************************************************************/
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} else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) {
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if (argv[2][0] == 'p') {
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uint64_t addr, size;
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int total = fdt_num_mem_rsv(fdt);
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int j, err;
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printf("index\t\t start\t\t size\n");
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printf("-------------------------------"
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"-----------------\n");
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for (j = 0; j < total; j++) {
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err = fdt_get_mem_rsv(fdt, j, &addr, &size);
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if (err < 0) {
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printf("libfdt fdt_get_mem_rsv(): %s\n",
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fdt_strerror(err));
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return err;
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}
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printf(" %x\t%08x%08x\t%08x%08x\n", j,
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(u32)(addr >> 32),
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(u32)(addr & 0xffffffff),
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(u32)(size >> 32),
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(u32)(size & 0xffffffff));
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}
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} else if (argv[2][0] == 'a') {
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uint64_t addr, size;
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int err;
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#ifdef CFG_64BIT_STRTOUL
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addr = simple_strtoull(argv[3], NULL, 16);
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size = simple_strtoull(argv[4], NULL, 16);
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#else
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addr = simple_strtoul(argv[3], NULL, 16);
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size = simple_strtoul(argv[4], NULL, 16);
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#endif
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err = fdt_add_mem_rsv(fdt, addr, size);
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if (err < 0) {
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printf("libfdt fdt_add_mem_rsv(): %s\n",
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fdt_strerror(err));
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return err;
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}
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} else if (argv[2][0] == 'd') {
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unsigned long idx = simple_strtoul(argv[3], NULL, 16);
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int err = fdt_del_mem_rsv(fdt, idx);
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if (err < 0) {
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printf("libfdt fdt_del_mem_rsv(): %s\n",
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fdt_strerror(err));
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return err;
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}
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} else {
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/* Unrecognized command */
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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}
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#ifdef CONFIG_OF_BOARD_SETUP
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/* Call the board-specific fixup routine */
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@ -689,6 +793,12 @@ U_BOOT_CMD(
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"fdt set <path> <prop> [<val>] - Set <property> [to <val>]\n"
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"fdt mknode <path> <node> - Create a new node after <path>\n"
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"fdt rm <path> [<prop>] - Delete the node or <property>\n"
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"fdt header - Display header info\n"
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"fdt bootcpu <id> - Set boot cpuid\n"
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"fdt memory <addr> <size> - Add/Update memory node\n"
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"fdt rsvmem print - Show current mem reserves\n"
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"fdt rsvmem add <addr> <size> - Add a mem reserve\n"
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"fdt rsvmem delete <index> - Delete a mem reserves\n"
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"fdt chosen - Add/update the /chosen branch in the tree\n"
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#ifdef CONFIG_OF_HAS_UBOOT_ENV
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"fdt env - Add/replace the /u-boot-env branch in the tree\n"
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