From 5c04b57fe33c7700e433983bb69e50ec8d8f08cd Mon Sep 17 00:00:00 2001 From: Dinh Nguyen Date: Thu, 11 Apr 2013 10:55:24 -0500 Subject: 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 Reviewed-by: Pavel Machek Signed-off-by: Olof Johansson --- arch/arm/mach-socfpga/socfpga.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-socfpga/socfpga.c') 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) -- cgit