board/renesas/sh7785lcr/selfcheck.c

   1 /*
   2  * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  */
  19
  20 #include <common.h>
  21 #include <asm/io.h>
  22 #include <asm/processor.h>
  23 #include <asm/pci.h>
  24
  25 #if defined(CONFIG_CPU_32BIT)
  26 #define NOCACHE_OFFSET          0x00000000
  27 #else
  28 #define NOCACHE_OFFSET          0xa0000000
  29 #endif
  30 #define PLD_LEDCR               (0x04000008 + NOCACHE_OFFSET)
  31 #define PLD_SWSR                (0x0400000a + NOCACHE_OFFSET)
  32 #define PLD_VERSR               (0x0400000c + NOCACHE_OFFSET)
  33
  34 #define SM107_DEVICEID          (0x13e00060 + NOCACHE_OFFSET)
  35
  36 static void wait_ms(unsigned long time)
  37 {
  38         while (time--)
  39                 udelay(1000);
  40 }
  41
  42 static void test_pld(void)
  43 {
  44         printf("PLD version = %04x\n", readb(PLD_VERSR));
  45 }
  46
  47 static void test_sm107(void)
  48 {
  49         printf("SM107 device ID = %04x\n", readl(SM107_DEVICEID));
  50 }
  51
  52 static void test_led(void)
  53 {
  54         printf("turn on LEDs 3, 5, 7, 9\n");
  55         writeb(0x55, PLD_LEDCR);
  56         wait_ms(2000);
  57         printf("turn on LEDs 4, 6, 8, 10\n");
  58         writeb(0xaa, PLD_LEDCR);
  59         wait_ms(2000);
  60         writeb(0x00, PLD_LEDCR);
  61 }
  62
  63 static void test_dipsw(void)
  64 {
  65         printf("Please DIPSW set = B'0101\n");
  66         while (readb(PLD_SWSR) != 0x05) {
  67                 if (ctrlc())
  68                         return;
  69         }
  70         printf("Please DIPSW set = B'1010\n");
  71         while (readb(PLD_SWSR) != 0x0A) {
  72                 if (ctrlc())
  73                         return;
  74         }
  75         printf("DIPSW OK\n");
  76 }
  77
  78 static void test_net(void)
  79 {
  80         unsigned long data;
  81
  82         writel(0x80000000, 0xfe0401c0);
  83         data = readl(0xfe040220);
  84         if (data == 0x816910ec)
  85                 printf("Ethernet OK\n");
  86         else
  87                 printf("Ethernet NG, data = %08x\n", (unsigned int)data);
  88 }
  89
  90 static void test_sata(void)
  91 {
  92         unsigned long data;
  93
  94         writel(0x80000800, 0xfe0401c0);
  95         data = readl(0xfe040220);
  96         if (data == 0x35121095)
  97                 printf("SATA OK\n");
  98         else
  99                 printf("SATA NG, data = %08x\n", (unsigned int)data);
 100 }
 101
 102 static void test_pci(void)
 103 {
 104         writel(0x80001800, 0xfe0401c0);
 105         printf("PCI CN1 ID = %08x\n", readl(0xfe040220));
 106
 107         writel(0x80001000, 0xfe0401c0);
 108         printf("PCI CN2 ID = %08x\n", readl(0xfe040220));
 109 }
 110
 111 int do_hw_test(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 112 {
 113         char *cmd;
 114
 115         if (argc != 2) {
 116                 cmd_usage(cmdtp);
 117                 return 1;
 118         }
 119
 120         cmd = argv[1];
 121         switch (cmd[0]) {
 122         case 'a':       /* all */
 123                 test_pld();
 124                 test_led();
 125                 test_dipsw();
 126                 test_sm107();
 127                 test_net();
 128                 test_sata();
 129                 test_pci();
 130                 break;
 131         case 'p':       /* pld or pci */
 132                 if (cmd[1] == 'l')
 133                         test_pld();
 134                 else
 135                         test_pci();
 136                 break;
 137         case 'l':       /* led */
 138                 test_led();
 139                 break;
 140         case 'd':       /* dipsw */
 141                 test_dipsw();
 142                 break;
 143         case 's':       /* sm107 or sata */
 144                 if (cmd[1] == 'm')
 145                         test_sm107();
 146                 else
 147                         test_sata();
 148                 break;
 149         case 'n':       /* net */
 150                 test_net();
 151                 break;
 152         default:
 153                 cmd_usage(cmdtp);
 154                 return 1;
 155         }
 156
 157         return 0;
 158 }
 159
 160 U_BOOT_CMD(
 161         hwtest, 2,      1,      do_hw_test,
 162         "hwtest - hardware test for R0P7785LC0011RL board\n",
 163         "\n"
 164         "hwtest all   - test all hardware\n"
 165         "hwtest pld   - output PLD version\n"
 166         "hwtest led   - turn on LEDs\n"
 167         "hwtest dipsw - test DIP switch\n"
 168         "hwtest sm107 - output SM107 version\n"
 169         "hwtest net   - check RTL8110 ID\n"
 170         "hwtest sata  - check SiI3512 ID\n"
 171         "hwtest pci   - output PCI slot device ID\n"
 172 );