Merge branch '2019-10-28-azure-ci-support'

[oweals/u-boot.git] / cmd / cpu.c

diff --git a/cmd/cpu.c b/cmd/cpu.c
index b4af64f54f9ffa40966ef56c77941adac7fc11f6..8c0abc1756244337a0459c21bbe4d76d33368dcf 100644 (file)
--- a/cmd/cpu.c
+++ b/cmd/cpu.c
@@ -1,8 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
+ * Copyright (c) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
  */
 
 #include <common.h>
@@ -14,25 +14,22 @@
 static const char *cpu_feature_name[CPU_FEAT_COUNT] = {
        "L1 cache",
        "MMU",
+       "Microcode",
+       "Device ID",
 };
 
 static int print_cpu_list(bool detail)
 {
        struct udevice *dev;
-       struct uclass *uc;
        char buf[100];
-       int ret;
 
-       ret = uclass_get(UCLASS_CPU, &uc);
-       if (ret) {
-               printf("Cannot find CPU uclass\n");
-               return ret;
-       }
-       uclass_foreach_dev(dev, uc) {
+       for (uclass_first_device(UCLASS_CPU, &dev);
+                    dev;
+                    uclass_next_device(&dev)) {
                struct cpu_platdata *plat = dev_get_parent_platdata(dev);
                struct cpu_info info;
-               bool first;
-               int i;
+               bool first = true;
+               int ret, i;
 
                ret = cpu_get_desc(dev, buf, sizeof(buf));
                printf("%3d: %-10s %s\n", dev->seq, dev->name,
@@ -43,13 +40,12 @@ static int print_cpu_list(bool detail)
                if (ret) {
                        printf("\t(no detail available");
                        if (ret != -ENOSYS)
-                               printf(": err=%d\n", ret);
+                               printf(": err=%d", ret);
                        printf(")\n");
                        continue;
                }
                printf("\tID = %d, freq = ", plat->cpu_id);
                print_freq(info.cpu_freq, "");
-               first = true;
                for (i = 0; i < CPU_FEAT_COUNT; i++) {
                        if (info.features & (1 << i)) {
                                printf("%s%s", first ? ": " : ", ",
@@ -58,12 +54,18 @@ static int print_cpu_list(bool detail)
                        }
                }
                printf("\n");
+               if (info.features & (1 << CPU_FEAT_UCODE))
+                       printf("\tMicrocode version %#x\n",
+                              plat->ucode_version);
+               if (info.features & (1 << CPU_FEAT_DEVICE_ID))
+                       printf("\tDevice ID %#lx\n", plat->device_id);
        }
 
        return 0;
 }
 
-static int do_cpu_list(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cpu_list(cmd_tbl_t *cmdtp, int flag, int argc,
+                      char *const argv[])
 {
        if (print_cpu_list(false))
                return CMD_RET_FAILURE;
@@ -89,7 +91,7 @@ static cmd_tbl_t cmd_cpu_sub[] = {
  * Process a cpu sub-command
  */
 static int do_cpu(cmd_tbl_t *cmdtp, int flag, int argc,
-                      char * const argv[])
+                 char * const argv[])
 {
        cmd_tbl_t *c = NULL;
 
@@ -98,7 +100,8 @@ static int do_cpu(cmd_tbl_t *cmdtp, int flag, int argc,
        argv++;
 
        if (argc)
-               c = find_cmd_tbl(argv[0], cmd_cpu_sub, ARRAY_SIZE(cmd_cpu_sub));
+               c = find_cmd_tbl(argv[0], cmd_cpu_sub,
+                                ARRAY_SIZE(cmd_cpu_sub));
 
        if (c)
                return c->cmd(cmdtp, flag, argc, argv);