diff options
Diffstat (limited to 'arch/arm/mach-socfpga/socfpga.c')
| -rw-r--r-- | arch/arm/mach-socfpga/socfpga.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index 1042c023cf24..46a051359f02 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -15,6 +15,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/dw_apb_timer.h> +#include <linux/clk-provider.h> #include <linux/irqchip.h> #include <linux/of_address.h> #include <linux/of_irq.h> @@ -29,6 +30,7 @@ void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE)); void __iomem *sys_manager_base_addr; void __iomem *rst_manager_base_addr; +void __iomem *clk_mgr_base_addr; unsigned long cpu1start_addr; static struct map_desc scu_io_desc __initdata = { @@ -77,6 +79,9 @@ void __init socfpga_sysmgr_init(void) np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr"); rst_manager_base_addr = of_iomap(np, 0); + + np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr"); + clk_mgr_base_addr = of_iomap(np, 0); } static void __init socfpga_init_irq(void) @@ -87,13 +92,22 @@ 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) { l2x0_of_init(0, ~0UL); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + of_clk_init(NULL); socfpga_init_clocks(); } |