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 <console.h>
   9 #include <asm/io.h>
  10 #include <asm/processor.h>
  11 #include <asm/pci.h>
  12
  13 #if defined(CONFIG_CPU_32BIT)
  14 #define NOCACHE_OFFSET          0x00000000
  15 #else
  16 #define NOCACHE_OFFSET          0xa0000000
  17 #endif
  18 #define PLD_LEDCR               (0x04000008 + NOCACHE_OFFSET)
  19 #define PLD_SWSR                (0x0400000a + NOCACHE_OFFSET)
  20 #define PLD_VERSR               (0x0400000c + NOCACHE_OFFSET)
  21
  22 #define SM107_DEVICEID          (0x13e00060 + NOCACHE_OFFSET)
  23
  24 static void test_pld(void)
  25 {
  26         printf("PLD version = %04x\n", readb(PLD_VERSR));
  27 }
  28
  29 static void test_sm107(void)
  30 {
  31         printf("SM107 device ID = %04x\n", readl(SM107_DEVICEID));
  32 }
  33
  34 static void test_led(void)
  35 {
  36         printf("turn on LEDs 3, 5, 7, 9\n");
  37         writeb(0x55, PLD_LEDCR);
  38         mdelay(2000);
  39         printf("turn on LEDs 4, 6, 8, 10\n");
  40         writeb(0xaa, PLD_LEDCR);
  41         mdelay(2000);
  42         writeb(0x00, PLD_LEDCR);
  43 }
  44
  45 static void test_dipsw(void)
  46 {
  47         printf("Please DIPSW set = B'0101\n");
  48         while (readb(PLD_SWSR) != 0x05) {
  49                 if (ctrlc())
  50                         return;
  51         }
  52         printf("Please DIPSW set = B'1010\n");
  53         while (readb(PLD_SWSR) != 0x0A) {
  54                 if (ctrlc())
  55                         return;
  56         }
  57         printf("DIPSW OK\n");
  58 }
  59
  60 static void test_net(void)
  61 {
  62         unsigned long data;
  63
  64         writel(0x80000000, 0xfe0401c0);
  65         data = readl(0xfe040220);
  66         if (data == 0x816910ec)
  67                 printf("Ethernet OK\n");
  68         else
  69                 printf("Ethernet NG, data = %08x\n", (unsigned int)data);
  70 }
  71
  72 static void test_sata(void)
  73 {
  74         unsigned long data;
  75
  76         writel(0x80000800, 0xfe0401c0);
  77         data = readl(0xfe040220);
  78         if (data == 0x35121095)
  79                 printf("SATA OK\n");
  80         else
  81                 printf("SATA NG, data = %08x\n", (unsigned int)data);
  82 }
  83
  84 static void test_pci(void)
  85 {
  86         writel(0x80001800, 0xfe0401c0);
  87         printf("PCI CN1 ID = %08x\n", readl(0xfe040220));
  88
  89         writel(0x80001000, 0xfe0401c0);
  90         printf("PCI CN2 ID = %08x\n", readl(0xfe040220));
  91 }
  92
  93 int do_hw_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  94 {
  95         char *cmd;
  96
  97         if (argc != 2)
  98                 return cmd_usage(cmdtp);
  99
 100         cmd = argv[1];
 101         switch (cmd[0]) {
 102         case 'a':       /* all */
 103                 test_pld();
 104                 test_led();
 105                 test_dipsw();
 106                 test_sm107();
 107                 test_net();
 108                 test_sata();
 109                 test_pci();
 110                 break;
 111         case 'p':       /* pld or pci */
 112                 if (cmd[1] == 'l')
 113                         test_pld();
 114                 else
 115                         test_pci();
 116                 break;
 117         case 'l':       /* led */
 118                 test_led();
 119                 break;
 120         case 'd':       /* dipsw */
 121                 test_dipsw();
 122                 break;
 123         case 's':       /* sm107 or sata */
 124                 if (cmd[1] == 'm')
 125                         test_sm107();
 126                 else
 127                         test_sata();
 128                 break;
 129         case 'n':       /* net */
 130                 test_net();
 131                 break;
 132         default:
 133                 return cmd_usage(cmdtp);
 134         }
 135
 136         return 0;
 137 }
 138
 139 U_BOOT_CMD(
 140         hwtest, 2,      1,      do_hw_test,
 141         "hardware test for R0P7785LC0011RL board",
 142         "\n"
 143         "hwtest all   - test all hardware\n"
 144         "hwtest pld   - output PLD version\n"
 145         "hwtest led   - turn on LEDs\n"
 146         "hwtest dipsw - test DIP switch\n"
 147         "hwtest sm107 - output SM107 version\n"
 148         "hwtest net   - check RTL8110 ID\n"
 149         "hwtest sata  - check SiI3512 ID\n"
 150         "hwtest pci   - output PCI slot device ID"
 151 );