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-rw-r--r--arch/arm/mach-highbank/highbank.c19
-rw-r--r--arch/arm/mach-highbank/hotplug.c2
-rw-r--r--arch/arm/mach-highbank/platsmp.c18
-rw-r--r--arch/arm/mach-highbank/pm.c19
-rw-r--r--arch/arm/mach-highbank/sysregs.h23
-rw-r--r--arch/arm/mach-highbank/system.c4
6 files changed, 47 insertions, 38 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index dc248167d206..fd630bccbd31 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -18,6 +18,7 @@
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/irqchip.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_irq.h>
@@ -32,7 +33,6 @@
#include <asm/smp_twd.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/timer-sp.h>
-#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -66,12 +66,6 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr)
HB_JUMP_TABLE_PHYS(cpu) + 15);
}
-const static struct of_device_id irq_match[] = {
- { .compatible = "arm,cortex-a15-gic", .data = gic_of_init, },
- { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
- {}
-};
-
#ifdef CONFIG_CACHE_L2X0
static void highbank_l2x0_disable(void)
{
@@ -82,7 +76,7 @@ static void highbank_l2x0_disable(void)
static void __init highbank_init_irq(void)
{
- of_irq_init(irq_match);
+ irqchip_init();
if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
highbank_scu_map_io();
@@ -129,13 +123,9 @@ static void __init highbank_timer_init(void)
arch_timer_sched_clock_init();
}
-static struct sys_timer highbank_timer = {
- .init = highbank_timer_init,
-};
-
static void highbank_power_off(void)
{
- hignbank_set_pwr_shutdown();
+ highbank_set_pwr_shutdown();
while (1)
cpu_do_idle();
@@ -209,8 +199,7 @@ DT_MACHINE_START(HIGHBANK, "Highbank")
.smp = smp_ops(highbank_smp_ops),
.map_io = debug_ll_io_init,
.init_irq = highbank_init_irq,
- .timer = &highbank_timer,
- .handle_irq = gic_handle_irq,
+ .init_time = highbank_timer_init,
.init_machine = highbank_init,
.dt_compat = highbank_match,
.restart = highbank_restart,
diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c
index 7b60faccd551..f30c52843396 100644
--- a/arch/arm/mach-highbank/hotplug.c
+++ b/arch/arm/mach-highbank/hotplug.c
@@ -30,7 +30,7 @@ void __ref highbank_cpu_die(unsigned int cpu)
{
flush_cache_all();
- highbank_set_cpu_jump(cpu, secondary_startup);
+ highbank_set_cpu_jump(cpu, phys_to_virt(0));
highbank_set_core_pwr();
cpu_do_idle();
diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c
index 1129957f6c1d..8797a7001720 100644
--- a/arch/arm/mach-highbank/platsmp.c
+++ b/arch/arm/mach-highbank/platsmp.c
@@ -17,9 +17,9 @@
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/io.h>
+#include <linux/irqchip/arm-gic.h>
#include <asm/smp_scu.h>
-#include <asm/hardware/gic.h>
#include "core.h"
@@ -32,7 +32,8 @@ static void __cpuinit highbank_secondary_init(unsigned int cpu)
static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
- gic_raise_softirq(cpumask_of(cpu), 0);
+ highbank_set_cpu_jump(cpu, secondary_startup);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
return 0;
}
@@ -55,25 +56,12 @@ static void __init highbank_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init highbank_smp_prepare_cpus(unsigned int max_cpus)
{
- int i;
-
if (scu_base_addr)
scu_enable(scu_base_addr);
-
- /*
- * Write the address of secondary startup into the jump table
- * The cores are in wfi and wait until they receive a soft interrupt
- * and a non-zero value to jump to. Then the secondary CPU branches
- * to this address.
- */
- for (i = 1; i < max_cpus; i++)
- highbank_set_cpu_jump(i, secondary_startup);
}
struct smp_operations highbank_smp_ops __initdata = {
diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c
index 74aa135966f0..04eddb4f4380 100644
--- a/arch/arm/mach-highbank/pm.c
+++ b/arch/arm/mach-highbank/pm.c
@@ -14,10 +14,12 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/cpu_pm.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/suspend.h>
+#include <asm/cacheflush.h>
#include <asm/proc-fns.h>
#include <asm/suspend.h>
@@ -26,16 +28,31 @@
static int highbank_suspend_finish(unsigned long val)
{
+ outer_flush_all();
+ outer_disable();
+
+ highbank_set_pwr_suspend();
+
cpu_do_idle();
+
+ highbank_clear_pwr_request();
return 0;
}
static int highbank_pm_enter(suspend_state_t state)
{
- hignbank_set_pwr_suspend();
+ cpu_pm_enter();
+ cpu_cluster_pm_enter();
+
highbank_set_cpu_jump(0, cpu_resume);
cpu_suspend(0, highbank_suspend_finish);
+ cpu_cluster_pm_exit();
+ cpu_pm_exit();
+
+ highbank_smc1(0x102, 0x1);
+ if (scu_base_addr)
+ scu_enable(scu_base_addr);
return 0;
}
diff --git a/arch/arm/mach-highbank/sysregs.h b/arch/arm/mach-highbank/sysregs.h
index e13e8ea7c6cb..70af9d13fcef 100644
--- a/arch/arm/mach-highbank/sysregs.h
+++ b/arch/arm/mach-highbank/sysregs.h
@@ -44,28 +44,43 @@ static inline void highbank_set_core_pwr(void)
writel_relaxed(1, sregs_base + SREG_CPU_PWR_CTRL(cpu));
}
-static inline void hignbank_set_pwr_suspend(void)
+static inline void highbank_clear_core_pwr(void)
+{
+ int cpu = cpu_logical_map(smp_processor_id());
+ if (scu_base_addr)
+ scu_power_mode(scu_base_addr, SCU_PM_NORMAL);
+ else
+ writel_relaxed(0, sregs_base + SREG_CPU_PWR_CTRL(cpu));
+}
+
+static inline void highbank_set_pwr_suspend(void)
{
writel(HB_PWR_SUSPEND, sregs_base + HB_SREG_A9_PWR_REQ);
highbank_set_core_pwr();
}
-static inline void hignbank_set_pwr_shutdown(void)
+static inline void highbank_set_pwr_shutdown(void)
{
writel(HB_PWR_SHUTDOWN, sregs_base + HB_SREG_A9_PWR_REQ);
highbank_set_core_pwr();
}
-static inline void hignbank_set_pwr_soft_reset(void)
+static inline void highbank_set_pwr_soft_reset(void)
{
writel(HB_PWR_SOFT_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
highbank_set_core_pwr();
}
-static inline void hignbank_set_pwr_hard_reset(void)
+static inline void highbank_set_pwr_hard_reset(void)
{
writel(HB_PWR_HARD_RESET, sregs_base + HB_SREG_A9_PWR_REQ);
highbank_set_core_pwr();
}
+static inline void highbank_clear_pwr_request(void)
+{
+ writel(~0UL, sregs_base + HB_SREG_A9_PWR_REQ);
+ highbank_clear_core_pwr();
+}
+
#endif
diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c
index aed96ad9bd4a..37d8384dcf19 100644
--- a/arch/arm/mach-highbank/system.c
+++ b/arch/arm/mach-highbank/system.c
@@ -22,9 +22,9 @@
void highbank_restart(char mode, const char *cmd)
{
if (mode == 'h')
- hignbank_set_pwr_hard_reset();
+ highbank_set_pwr_hard_reset();
else
- hignbank_set_pwr_soft_reset();
+ highbank_set_pwr_soft_reset();
while (1)
cpu_do_idle();
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