diff options
| author |   Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2007-11-24 01:20:27 +0900 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2008-01-29 10:14:58 +0000 |
| commit | 2064ba23e58daa929eec6f5e7a2abc24574a95b9 (patch) | |
| tree | 77967a6451b379f49a62c364e7ef352a0de50f5a /arch/mips/tx4938 | |
| parent | [MIPS] IP22/IP28: fix extracting board/chip rev (diff) | |
| download | linux-dev-2064ba23e58daa929eec6f5e7a2abc24574a95b9.tar.xz linux-dev-2064ba23e58daa929eec6f5e7a2abc24574a95b9.zip | |
[MIPS] TXx9 watchdog support for rbhma3100,rbhma4200,rbhma4500
This patch adds support for txx9wdt driver to rbhma3100, rbhma4200 and
rbhma4500 platform.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/tx4938')
| -rw-r--r-- | arch/mips/tx4938/toshiba_rbtx4938/setup.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c index 2333d9ff879d..61249f049cd6 100644 --- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c +++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c @@ -724,6 +724,8 @@ void __init tx4938_board_setup(void) /* CCFG */ /* clear WatchDogReset,BusErrorOnWrite flag (W1C) */ tx4938_ccfgptr->ccfg |= TX4938_CCFG_WDRST | TX4938_CCFG_BEOW; + /* do reset on watchdog */ + tx4938_ccfgptr->ccfg |= TX4938_CCFG_WR; /* clear PCIC1 reset */ if (tx4938_ccfgptr->clkctr & TX4938_CLKCTR_PCIC1RST) tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIC1RST; @@ -1121,12 +1123,35 @@ static int __init rbtx4938_spi_init(void) } arch_initcall(rbtx4938_spi_init); +/* Watchdog support */ + +static int __init txx9_wdt_init(unsigned long base) +{ + struct resource res = { + .start = base, + .end = base + 0x100 - 1, + .flags = IORESOURCE_MEM, + .parent = &tx4938_reg_resource, + }; + struct platform_device *dev = + platform_device_register_simple("txx9wdt", -1, &res, 1); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} + +static int __init rbtx4938_wdt_init(void) +{ + return txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL); +} +device_initcall(rbtx4938_wdt_init); + /* Minimum CLK support */ struct clk *clk_get(struct device *dev, const char *id) { if (!strcmp(id, "spi-baseclk")) return (struct clk *)(txx9_gbus_clock / 2 / 4); + if (!strcmp(id, "imbus_clk")) + return (struct clk *)(txx9_gbus_clock / 2); return ERR_PTR(-ENOENT); } EXPORT_SYMBOL(clk_get); |