projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| ec2b74ff | 2 | /* |
| 0e870980 | 3 | * Copyright 2008-2009 Freescale Semiconductor, Inc. |
| ec2b74ff KG |
4 | */ |
| 5 | ||
| 6 | #include <common.h> | |
| 7 | #include <command.h> | |
| 62f9b654 | 8 | #include <cpu_func.h> |
| ec2b74ff | 9 | |
| 711e5e26 MS |
10 | static int cpu_status_all(void) |
| 11 | { | |
| 12 | unsigned long cpuid; | |
| 13 | ||
| 14 | for (cpuid = 0; ; cpuid++) { | |
| 15 | if (!is_core_valid(cpuid)) { | |
| 16 | if (cpuid == 0) { | |
| 17 | printf("Core num: %lu is not valid\n", cpuid); | |
| 18 | return 1; | |
| 19 | } | |
| 20 | break; | |
| 21 | } | |
| 22 | cpu_status(cpuid); | |
| 23 | } | |
| 24 | ||
| 25 | return 0; | |
| 26 | } | |
| 27 | ||
| 088f1b19 | 28 | static int |
| 09140113 | 29 | cpu_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
| ec2b74ff | 30 | { |
| 79679d80 | 31 | unsigned long cpuid; |
| ec2b74ff | 32 | |
| 711e5e26 MS |
33 | if (argc == 2 && strncmp(argv[1], "status", 6) == 0) |
| 34 | return cpu_status_all(); | |
| 35 | ||
| 47e26b1b | 36 | if (argc < 3) |
| 4c12eeb8 | 37 | return CMD_RET_USAGE; |
| ec2b74ff | 38 | |
| 0b1284eb | 39 | cpuid = dectoul(argv[1], NULL); |
| fbb9ecf7 TT |
40 | if (!is_core_valid(cpuid)) { |
| 41 | printf ("Core num: %lu is not valid\n", cpuid); | |
| ec2b74ff KG |
42 | return 1; |
| 43 | } | |
| 44 | ||
| 45 | ||
| 46 | if (argc == 3) { | |
| 47e26b1b | 47 | if (strncmp(argv[2], "reset", 5) == 0) |
| ec2b74ff | 48 | cpu_reset(cpuid); |
| 47e26b1b | 49 | else if (strncmp(argv[2], "status", 6) == 0) |
| ec2b74ff | 50 | cpu_status(cpuid); |
| 47e26b1b | 51 | else if (strncmp(argv[2], "disable", 7) == 0) |
| 4194b366 | 52 | return cpu_disable(cpuid); |
| 47e26b1b | 53 | else |
| 4c12eeb8 | 54 | return CMD_RET_USAGE; |
| 47e26b1b | 55 | |
| ec2b74ff KG |
56 | return 0; |
| 57 | } | |
| 58 | ||
| 59 | /* 4 or greater, make sure its release */ | |
| 47e26b1b | 60 | if (strncmp(argv[2], "release", 7) != 0) |
| 4c12eeb8 | 61 | return CMD_RET_USAGE; |
| ec2b74ff | 62 | |
| 47e26b1b | 63 | if (cpu_release(cpuid, argc - 3, argv + 3)) |
| 4c12eeb8 | 64 | return CMD_RET_USAGE; |
| ec2b74ff KG |
65 | |
| 66 | return 0; | |
| 67 | } | |
| 68 | ||
| 088f1b19 KP |
69 | #ifdef CONFIG_SYS_LONGHELP |
| 70 | static char cpu_help_text[] = | |
| 71 | "<num> reset - Reset cpu <num>\n" | |
| 711e5e26 | 72 | "cpu status - Status of all cpus\n" |
| 088f1b19 KP |
73 | "cpu <num> status - Status of cpu <num>\n" |
| 74 | "cpu <num> disable - Disable cpu <num>\n" | |
| 75 | "cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]" | |
| ec2b74ff | 76 | #ifdef CONFIG_PPC |
| 088f1b19 | 77 | "\n" |
| 79679d80 | 78 | " [args] : <pir> <r3> <r6>\n" \ |
| ec2b74ff KG |
79 | " pir - processor id (if writeable)\n" \ |
| 80 | " r3 - value for gpr 3\n" \ | |
| ec2b74ff | 81 | " r6 - value for gpr 6\n" \ |
| ec2b74ff KG |
82 | "\n" \ |
| 83 | " Use '-' for any arg if you want the default value.\n" \ | |
| 79679d80 | 84 | " Default for r3 is <num> and r6 is 0\n" \ |
| ec2b74ff | 85 | "\n" \ |
| 79679d80 | 86 | " When cpu <num> is released r4 and r5 = 0.\n" \ |
| a89c33db | 87 | " r7 will contain the size of the initial mapped area" |
| ec2b74ff | 88 | #endif |
| 088f1b19 KP |
89 | ""; |
| 90 | #endif | |
| ec2b74ff KG |
91 | |
| 92 | U_BOOT_CMD( | |
| 6d0f6bcf | 93 | cpu, CONFIG_SYS_MAXARGS, 1, cpu_cmd, |
| 088f1b19 | 94 | "Multiprocessor CPU boot manipulation and release", cpu_help_text |
| a89c33db | 95 | ); |