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-rw-r--r--arch/arm/mach-socfpga/Kconfig11
-rw-r--r--arch/arm/mach-socfpga/core.h11
-rw-r--r--arch/arm/mach-socfpga/headsmp.S1
-rw-r--r--arch/arm/mach-socfpga/platsmp.c17
-rw-r--r--arch/arm/mach-socfpga/socfpga.c23
5 files changed, 26 insertions, 37 deletions
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index 566e804d403..b5f8d75d51a 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -1,17 +1,10 @@
config ARCH_SOCFPGA
bool "Altera SOCFPGA family" if ARCH_MULTI_V7
- select ARCH_WANT_OPTIONAL_GPIOLIB
select ARM_AMBA
select ARM_GIC
select CACHE_L2X0
- select CLKDEV_LOOKUP
- select COMMON_CLK
- select CPU_V7
- select DW_APB_TIMER
select DW_APB_TIMER_OF
- select GENERIC_CLOCKEVENTS
select GPIO_PL061 if GPIOLIB
select HAVE_ARM_SCU
- select HAVE_SMP
- select SPARSE_IRQ
- select USE_OF
+ select HAVE_ARM_TWD if SMP
+ select MFD_SYSCON
diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h
index 315edff610f..572b8f719ff 100644
--- a/arch/arm/mach-socfpga/core.h
+++ b/arch/arm/mach-socfpga/core.h
@@ -20,12 +20,23 @@
#ifndef __MACH_CORE_H
#define __MACH_CORE_H
+#define SOCFPGA_RSTMGR_CTRL 0x04
+#define SOCFPGA_RSTMGR_MODPERRST 0x14
+#define SOCFPGA_RSTMGR_BRGMODRST 0x1c
+
+/* System Manager bits */
+#define RSTMGR_CTRL_SWCOLDRSTREQ 0x1 /* Cold Reset */
+#define RSTMGR_CTRL_SWWARMRSTREQ 0x2 /* Warm Reset */
+
extern void socfpga_secondary_startup(void);
extern void __iomem *socfpga_scu_base_addr;
extern void socfpga_init_clocks(void);
extern void socfpga_sysmgr_init(void);
+extern void __iomem *sys_manager_base_addr;
+extern void __iomem *rst_manager_base_addr;
+
extern struct smp_operations socfpga_smp_ops;
extern char secondary_trampoline, secondary_trampoline_end;
diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
index 9004bfb1756..95c115d8b5e 100644
--- a/arch/arm/mach-socfpga/headsmp.S
+++ b/arch/arm/mach-socfpga/headsmp.S
@@ -10,7 +10,6 @@
#include <linux/linkage.h>
#include <linux/init.h>
- __CPUINIT
.arch armv7-a
ENTRY(secondary_trampoline)
diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c
index 84c60fa8daa..5356a72bc8c 100644
--- a/arch/arm/mach-socfpga/platsmp.c
+++ b/arch/arm/mach-socfpga/platsmp.c
@@ -22,7 +22,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/irqchip/arm-gic.h>
#include <asm/cacheflush.h>
#include <asm/smp_scu.h>
@@ -30,20 +29,7 @@
#include "core.h"
-extern void __iomem *sys_manager_base_addr;
-extern void __iomem *rst_manager_base_addr;
-
-static void __cpuinit socfpga_secondary_init(unsigned int cpu)
-{
- /*
- * if any interrupts are already enabled for the primary
- * core (e.g. timer irq), then they will not have been enabled
- * for us: do so
- */
- gic_secondary_init(0);
-}
-
-static int __cpuinit socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
int trampoline_size = &secondary_trampoline_end - &secondary_trampoline;
@@ -109,7 +95,6 @@ static void socfpga_cpu_die(unsigned int cpu)
struct smp_operations socfpga_smp_ops __initdata = {
.smp_init_cpus = socfpga_smp_init_cpus,
.smp_prepare_cpus = socfpga_smp_prepare_cpus,
- .smp_secondary_init = socfpga_secondary_init,
.smp_boot_secondary = socfpga_boot_secondary,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_die = socfpga_cpu_die,
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index 1042c023cf2..adbf38314ca 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -14,11 +14,11 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <linux/dw_apb_timer.h>
#include <linux/irqchip.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/reboot.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
@@ -85,16 +85,17 @@ static void __init socfpga_init_irq(void)
socfpga_sysmgr_init();
}
-static void socfpga_cyclone5_restart(char mode, const char *cmd)
+static void socfpga_cyclone5_restart(enum reboot_mode mode, const char *cmd)
{
- /* TODO: */
-}
+ u32 temp;
-static void __init socfpga_cyclone5_init(void)
-{
- l2x0_of_init(0, ~0UL);
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
- socfpga_init_clocks();
+ temp = readl(rst_manager_base_addr + SOCFPGA_RSTMGR_CTRL);
+
+ if (mode == REBOOT_HARD)
+ temp |= RSTMGR_CTRL_SWCOLDRSTREQ;
+ else
+ temp |= RSTMGR_CTRL_SWWARMRSTREQ;
+ writel(temp, rst_manager_base_addr + SOCFPGA_RSTMGR_CTRL);
}
static const char *altera_dt_match[] = {
@@ -103,11 +104,11 @@ static const char *altera_dt_match[] = {
};
DT_MACHINE_START(SOCFPGA, "Altera SOCFPGA")
+ .l2c_aux_val = 0,
+ .l2c_aux_mask = ~0,
.smp = smp_ops(socfpga_smp_ops),
.map_io = socfpga_map_io,
.init_irq = socfpga_init_irq,
- .init_time = dw_apb_timer_init,
- .init_machine = socfpga_cyclone5_init,
.restart = socfpga_cyclone5_restart,
.dt_compat = altera_dt_match,
MACHINE_END