qemu/roms/u-boot/board/renesas/sh7785lcr/selfcheck.c

   1 /*
   2  * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/processor.h>
  10 #include <asm/pci.h>
  11
  12 #if defined(CONFIG_CPU_32BIT)
  13 #define NOCACHE_OFFSET          0x00000000
  14 #else
  15 #define NOCACHE_OFFSET          0xa0000000
  16 #endif
  17 #define PLD_LEDCR               (0x04000008 + NOCACHE_OFFSET)
  18 #define PLD_SWSR                (0x0400000a + NOCACHE_OFFSET)
  19 #define PLD_VERSR               (0x0400000c + NOCACHE_OFFSET)
  20
  21 #define SM107_DEVICEID          (0x13e00060 + NOCACHE_OFFSET)
  22
  23 static void test_pld(void)
  24 {
  25         printf("PLD version = %04x\n", readb(PLD_VERSR));
  26 }
  27
  28 static void test_sm107(void)
  29 {
  30         printf("SM107 device ID = %04x\n", readl(SM107_DEVICEID));
  31 }
  32
  33 static void test_led(void)
  34 {
  35         printf("turn on LEDs 3, 5, 7, 9\n");
  36         writeb(0x55, PLD_LEDCR);
  37         mdelay(2000);
  38         printf("turn on LEDs 4, 6, 8, 10\n");
  39         writeb(0xaa, PLD_LEDCR);
  40         mdelay(2000);
  41         writeb(0x00, PLD_LEDCR);
  42 }
  43
  44 static void test_dipsw(void)
  45 {
  46         printf("Please DIPSW set = B'0101\n");
  47         while (readb(PLD_SWSR) != 0x05) {
  48                 if (ctrlc())
  49                         return;
  50         }
  51         printf("Please DIPSW set = B'1010\n");
  52         while (readb(PLD_SWSR) != 0x0A) {
  53                 if (ctrlc())
  54                         return;
  55         }
  56         printf("DIPSW OK\n");
  57 }
  58
  59 static void test_net(void)
  60 {
  61         unsigned long data;
  62
  63         writel(0x80000000, 0xfe0401c0);
  64         data = readl(0xfe040220);
  65         if (data == 0x816910ec)
  66                 printf("Ethernet OK\n");
  67         else
  68                 printf("Ethernet NG, data = %08x\n", (unsigned int)data);
  69 }
  70
  71 static void test_sata(void)
  72 {
  73         unsigned long data;
  74
  75         writel(0x80000800, 0xfe0401c0);
  76         data = readl(0xfe040220);
  77         if (data == 0x35121095)
  78                 printf("SATA OK\n");
  79         else
  80                 printf("SATA NG, data = %08x\n", (unsigned int)data);
  81 }
  82
  83 static void test_pci(void)
  84 {
  85         writel(0x80001800, 0xfe0401c0);
  86         printf("PCI CN1 ID = %08x\n", readl(0xfe040220));
  87
  88         writel(0x80001000, 0xfe0401c0);
  89         printf("PCI CN2 ID = %08x\n", readl(0xfe040220));
  90 }
  91
  92 int do_hw_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  93 {
  94         char *cmd;
  95
  96         if (argc != 2)
  97                 return cmd_usage(cmdtp);
  98
  99         cmd = argv[1];
 100         switch (cmd[0]) {
 101         case 'a':       /* all */
 102                 test_pld();
 103                 test_led();
 104                 test_dipsw();
 105                 test_sm107();
 106                 test_net();
 107                 test_sata();
 108                 test_pci();
 109                 break;
 110         case 'p':       /* pld or pci */
 111                 if (cmd[1] == 'l')
 112                         test_pld();
 113                 else
 114                         test_pci();
 115                 break;
 116         case 'l':       /* led */
 117                 test_led();
 118                 break;
 119         case 'd':       /* dipsw */
 120                 test_dipsw();
 121                 break;
 122         case 's':       /* sm107 or sata */
 123                 if (cmd[1] == 'm')
 124                         test_sm107();
 125                 else
 126                         test_sata();
 127                 break;
 128         case 'n':       /* net */
 129                 test_net();
 130                 break;
 131         default:
 132                 return cmd_usage(cmdtp);
 133         }
 134
 135         return 0;
 136 }
 137
 138 U_BOOT_CMD(
 139         hwtest, 2,      1,      do_hw_test,
 140         "hardware test for R0P7785LC0011RL board",
 141         "\n"
 142         "hwtest all   - test all hardware\n"
 143         "hwtest pld   - output PLD version\n"
 144         "hwtest led   - turn on LEDs\n"
 145         "hwtest dipsw - test DIP switch\n"
 146         "hwtest sm107 - output SM107 version\n"
 147         "hwtest net   - check RTL8110 ID\n"
 148         "hwtest sata  - check SiI3512 ID\n"
 149         "hwtest pci   - output PCI slot device ID"
 150 );