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

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/*
* Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/pci.h>
#if defined(CONFIG_CPU_32BIT)
#define NOCACHE_OFFSET 0x00000000
#else
#define NOCACHE_OFFSET 0xa0000000
#endif
#define PLD_LEDCR (0x04000008 + NOCACHE_OFFSET)
#define PLD_SWSR (0x0400000a + NOCACHE_OFFSET)
#define PLD_VERSR (0x0400000c + NOCACHE_OFFSET)
#define SM107_DEVICEID (0x13e00060 + NOCACHE_OFFSET)
static void wait_ms(unsigned long time)
{
while (time--)
udelay(1000);
}
static void test_pld(void)
{
printf("PLD version = %04x\n", readb(PLD_VERSR));
}
static void test_sm107(void)
{
printf("SM107 device ID = %04x\n", readl(SM107_DEVICEID));
}
static void test_led(void)
{
printf("turn on LEDs 3, 5, 7, 9\n");
writeb(0x55, PLD_LEDCR);
wait_ms(2000);
printf("turn on LEDs 4, 6, 8, 10\n");
writeb(0xaa, PLD_LEDCR);
wait_ms(2000);
writeb(0x00, PLD_LEDCR);
}
static void test_dipsw(void)
{
printf("Please DIPSW set = B'0101\n");
while (readb(PLD_SWSR) != 0x05) {
if (ctrlc())
return;
}
printf("Please DIPSW set = B'1010\n");
while (readb(PLD_SWSR) != 0x0A) {
if (ctrlc())
return;
}
printf("DIPSW OK\n");
}
static void test_net(void)
{
unsigned long data;
writel(0x80000000, 0xfe0401c0);
data = readl(0xfe040220);
if (data == 0x816910ec)
printf("Ethernet OK\n");
else
printf("Ethernet NG, data = %08x\n", (unsigned int)data);
}
static void test_sata(void)
{
unsigned long data;
writel(0x80000800, 0xfe0401c0);
data = readl(0xfe040220);
if (data == 0x35121095)
printf("SATA OK\n");
else
printf("SATA NG, data = %08x\n", (unsigned int)data);
}
static void test_pci(void)
{
writel(0x80001800, 0xfe0401c0);
printf("PCI CN1 ID = %08x\n", readl(0xfe040220));
writel(0x80001000, 0xfe0401c0);
printf("PCI CN2 ID = %08x\n", readl(0xfe040220));
}
int do_hw_test(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
char *cmd;
if (argc != 2) {
cmd_usage(cmdtp);
return 1;
}
cmd = argv[1];
switch (cmd[0]) {
case 'a': /* all */
test_pld();
test_led();
test_dipsw();
test_sm107();
test_net();
test_sata();
test_pci();
break;
case 'p': /* pld or pci */
if (cmd[1] == 'l')
test_pld();
else
test_pci();
break;
case 'l': /* led */
test_led();
break;
case 'd': /* dipsw */
test_dipsw();
break;
case 's': /* sm107 or sata */
if (cmd[1] == 'm')
test_sm107();
else
test_sata();
break;
case 'n': /* net */
test_net();
break;
default:
cmd_usage(cmdtp);
return 1;
}
return 0;
}
U_BOOT_CMD(
hwtest, 2, 1, do_hw_test,
"hardware test for R0P7785LC0011RL board",
"\n"
"hwtest all - test all hardware\n"
"hwtest pld - output PLD version\n"
"hwtest led - turn on LEDs\n"
"hwtest dipsw - test DIP switch\n"
"hwtest sm107 - output SM107 version\n"
"hwtest net - check RTL8110 ID\n"
"hwtest sata - check SiI3512 ID\n"
"hwtest pci - output PCI slot device ID\n"
);