Add sub-commands to fdt
authorKumar Gala <galak@kernel.crashing.org>
Fri, 15 Feb 2008 09:34:36 +0000 (03:34 -0600)
committerGerald Van Baren <vanbaren@cideas.com>
Wed, 19 Mar 2008 01:03:45 +0000 (21:03 -0400)
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>
common/cmd_fdt.c

index 9cd22ee94ae99b395742e73e44c0f98a92cbaab2..c31560bd65e15411eab50c60e83c3d9b658445f4 100644 (file)
@@ -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"