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| author | Colin Tuckley <colin.tuckley@arm.com> | 2010-01-11 11:09:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-01-11 15:39:21 +0000 |
| commit | 4c9f8be7dab831c78b5f491739fc5cd01f2efb03 (patch) | |
| tree | fa023e7c6a1d540b645f0d4d237f710a413058a9 /arch/arm/mach-realview/realview_pbx.c | |
| parent | 62a8c5bcb547c0aca1c3af810695dfb9b25e5351 (diff) | |
| download | linux-rt-4c9f8be7dab831c78b5f491739fc5cd01f2efb03.tar.gz | |
ARM: 5873/1: ARM: Fix the reset logic for ARM RealView boards
Extend the patch from Philby John to the other "RealView" boards.
Rename the constants and offsets to reflect their actual functions.
Cc: Philby John <pjohn@in.mvista.com>
Signed-off-by: Colin Tuckley <colin.tuckley@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-realview/realview_pbx.c')
| -rw-r--r-- | arch/arm/mach-realview/realview_pbx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index ec39488e2b42..a21a4b395f73 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -324,6 +324,20 @@ static void realview_pbx_fixup(struct machine_desc *mdesc, struct tag *tags, #endif } +static void realview_pbx_reset(char mode) +{ + void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL); + void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK); + + /* + * To reset, we hit the on-board reset register + * in the system FPGA + */ + __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); + __raw_writel(0x0000, reset_ctrl); + __raw_writel(0x0004, reset_ctrl); +} + static void __init realview_pbx_init(void) { int i; @@ -358,6 +372,7 @@ static void __init realview_pbx_init(void) #ifdef CONFIG_LEDS leds_event = realview_leds_event; #endif + realview_reset = realview_pbx_reset; } MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX") |