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| author | Lei YU <mine260309@gmail.com> | 2017-10-30 12:20:14 +0300 |
|---|---|---|
| committer | Andrew Jeffery <andrew@aj.id.au> | 2017-10-31 03:08:54 +0300 |
| commit | 73b861044886dc4f0dac7b8d473d08cf9b987569 (patch) | |
| tree | 877de17bce99d812121c8b1c18f9f4816ca3a1ba | |
| parent | de178a52f1a46c615b19e504a47dcebec054c45f (diff) | |
| download | linux-73b861044886dc4f0dac7b8d473d08cf9b987569.tar.xz | |
ARM: aspeed: romulus: Add reset tolerance for power GPIOs
This is a similar change as Witherspoon, that enables the host to stay
up across BMC reboots.
OpenBMC-Staging-Count: 1
Signed-off-by: Lei YU <mine260309@gmail.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
| -rw-r--r-- | arch/arm/mach-aspeed/aspeed.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-aspeed/aspeed.c b/arch/arm/mach-aspeed/aspeed.c index c84c87153c4c..5965bbfefaff 100644 --- a/arch/arm/mach-aspeed/aspeed.c +++ b/arch/arm/mach-aspeed/aspeed.c @@ -196,7 +196,17 @@ static void __init do_witherspoon_setup(void) static void __init do_romulus_setup(void) { + unsigned long reg; + do_common_setup(); + + /* Reset tolerance for BMC_POWER_UP (GPIOD1) */ + reg = readl(AST_IO(AST_BASE_GPIO | 0x01c)); + writel(reg | BIT(25), AST_IO(AST_BASE_GPIO | 0x01c)); + + /* Reset tolerance for SOFTWARE_PGOOD (GPIOR1) and SEQ_CONT (GPIOS7) */ + reg = readl(AST_IO(AST_BASE_GPIO | 0x12c)); + writel(reg | BIT(9) | BIT(23), AST_IO(AST_BASE_GPIO | 0x12c)); } static void __init do_lanyang_setup(void) |