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| author | Dinh Nguyen <dinguyen@altera.com> | 2013-04-11 10:55:24 -0500 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-04-14 20:17:33 -0700 |
| commit | 5c04b57fe33c7700e433983bb69e50ec8d8f08cd (patch) | |
| tree | a4c95094ab7c7918d4e64de7fcc1cd74386015f0 /arch/arm/mach-socfpga/socfpga.c | |
| parent | a93216c9212cb9ec36bb71776b706e7ed2d9d67c (diff) | |
| download | linux-5c04b57fe33c7700e433983bb69e50ec8d8f08cd.tar.gz linux-5c04b57fe33c7700e433983bb69e50ec8d8f08cd.tar.bz2 linux-5c04b57fe33c7700e433983bb69e50ec8d8f08cd.zip | |
ARM: socfpga: Enable soft reset
Enable a cold or warm reset to the HW from userspace.
Also fix a few sparse errors:
warning: symbol 'sys_manager_base_addr' was not declared. Should it be static?
warning: symbol 'rst_manager_base_addr' was not declared. Should it be static?
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-socfpga/socfpga.c')
| -rw-r--r-- | arch/arm/mach-socfpga/socfpga.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index 1042c023cf24..2cae16c1f265 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -87,7 +87,15 @@ static void __init socfpga_init_irq(void) static void socfpga_cyclone5_restart(char mode, const char *cmd) { - /* TODO: */ + u32 temp; + + temp = readl(rst_manager_base_addr + SOCFPGA_RSTMGR_CTRL); + + if (mode == 'h') + temp |= RSTMGR_CTRL_SWCOLDRSTREQ; + else + temp |= RSTMGR_CTRL_SWWARMRSTREQ; + writel(temp, rst_manager_base_addr + SOCFPGA_RSTMGR_CTRL); } static void __init socfpga_cyclone5_init(void) |