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-rw-r--r--arch/arm/mach-exynos/Kconfig3
-rw-r--r--arch/arm/mach-exynos/Makefile3
-rw-r--r--arch/arm/mach-exynos/common.h5
-rw-r--r--arch/arm/mach-exynos/exynos.c23
-rw-r--r--arch/arm/mach-exynos/firmware.c18
-rw-r--r--arch/arm/mach-exynos/headsmp.S3
-rw-r--r--arch/arm/mach-exynos/platsmp.c4
-rw-r--r--arch/arm/mach-exynos/pm.c6
-rw-r--r--arch/arm/mach-exynos/suspend.c18
9 files changed, 34 insertions, 49 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 20dcf6e90..8f820de89 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -12,13 +12,14 @@ menuconfig ARCH_EXYNOS
depends on ARCH_MULTI_V7
select ARCH_HAS_BANDGAP
select ARCH_HAS_HOLES_MEMORYMODEL
- select ARCH_REQUIRE_GPIOLIB
select ARM_AMBA
select ARM_GIC
select COMMON_CLK_SAMSUNG
select EXYNOS_THERMAL
select EXYNOS_PMU
select EXYNOS_SROM
+ select EXYNOS_PM_DOMAINS if PM_GENERIC_DOMAINS
+ select GPIOLIB
select HAVE_ARM_SCU if SMP
select HAVE_S3C2410_I2C if I2C
select HAVE_S3C2410_WATCHDOG if WATCHDOG
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 34d29df3e..9ea6c5464 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_ARCH_EXYNOS) += exynos.o exynos-smc.o firmware.o
obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o
obj-$(CONFIG_PM_SLEEP) += suspend.o
-obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
@@ -23,5 +22,3 @@ AFLAGS_sleep.o :=-Wa,-march=armv7-a$(plus_sec)
obj-$(CONFIG_EXYNOS5420_MCPM) += mcpm-exynos.o
CFLAGS_mcpm-exynos.o += -march=armv7-a
-
-obj-$(CONFIG_S5P_DEV_MFC) += s5p-dev-mfc.o
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 5365bf1f5..9424a8a9f 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -166,7 +166,6 @@ extern struct cpuidle_exynos_data cpuidle_coupled_exynos_data;
extern void exynos_set_delayed_reset_assertion(bool enable);
-extern void s5p_init_cpu(void __iomem *cpuid_addr);
extern unsigned int samsung_rev(void);
extern void exynos_core_restart(u32 core_id);
extern int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr);
@@ -174,12 +173,12 @@ extern int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr);
static inline void pmu_raw_writel(u32 val, u32 offset)
{
- __raw_writel(val, pmu_base_addr + offset);
+ writel_relaxed(val, pmu_base_addr + offset);
}
static inline u32 pmu_raw_readl(u32 offset)
{
- return __raw_readl(pmu_base_addr + offset);
+ return readl_relaxed(pmu_base_addr + offset);
}
#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 52ccf247e..acabf0bff 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -14,7 +14,6 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
-#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/irqchip.h>
#include <linux/soc/samsung/exynos-regs-pmu.h>
@@ -25,9 +24,9 @@
#include <asm/mach/map.h>
#include <mach/map.h>
+#include <plat/cpu.h>
#include "common.h"
-#include "mfc.h"
static struct map_desc exynos4_iodesc[] __initdata = {
{
@@ -217,8 +216,6 @@ static void __init exynos_dt_machine_init(void)
of_machine_is_compatible("samsung,exynos3250") ||
of_machine_is_compatible("samsung,exynos5250"))
platform_device_register(&exynos_cpuidle);
-
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static char const *const exynos_dt_compat[] __initconst = {
@@ -237,23 +234,6 @@ static char const *const exynos_dt_compat[] __initconst = {
NULL
};
-static void __init exynos_reserve(void)
-{
-#ifdef CONFIG_S5P_DEV_MFC
- int i;
- char *mfc_mem[] = {
- "samsung,mfc-v5",
- "samsung,mfc-v6",
- "samsung,mfc-v7",
- "samsung,mfc-v8",
- };
-
- for (i = 0; i < ARRAY_SIZE(mfc_mem); i++)
- if (of_scan_flat_dt(s5p_fdt_alloc_mfc_mem, mfc_mem[i]))
- break;
-#endif
-}
-
static void __init exynos_dt_fixup(void)
{
/*
@@ -275,6 +255,5 @@ DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)")
.init_machine = exynos_dt_machine_init,
.init_late = exynos_init_late,
.dt_compat = exynos_dt_compat,
- .reserve = exynos_reserve,
.dt_fixup = exynos_dt_fixup,
MACHINE_END
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index 1bfd1b0bd..fd6da5419 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -41,9 +41,9 @@ static int exynos_do_idle(unsigned long mode)
case FW_DO_IDLE_AFTR:
if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9)
exynos_save_cp15();
- __raw_writel(virt_to_phys(exynos_cpu_resume_ns),
- sysram_ns_base_addr + 0x24);
- __raw_writel(EXYNOS_AFTR_MAGIC, sysram_ns_base_addr + 0x20);
+ writel_relaxed(virt_to_phys(exynos_cpu_resume_ns),
+ sysram_ns_base_addr + 0x24);
+ writel_relaxed(EXYNOS_AFTR_MAGIC, sysram_ns_base_addr + 0x20);
if (soc_is_exynos3250()) {
flush_cache_all();
exynos_smc(SMC_CMD_SAVE, OP_TYPE_CORE,
@@ -97,7 +97,7 @@ static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
if (soc_is_exynos4412())
boot_reg += 4 * cpu;
- __raw_writel(boot_addr, boot_reg);
+ writel_relaxed(boot_addr, boot_reg);
return 0;
}
@@ -113,7 +113,7 @@ static int exynos_get_cpu_boot_addr(int cpu, unsigned long *boot_addr)
if (soc_is_exynos4412())
boot_reg += 4 * cpu;
- *boot_addr = __raw_readl(boot_reg);
+ *boot_addr = readl_relaxed(boot_reg);
return 0;
}
@@ -234,20 +234,20 @@ void exynos_set_boot_flag(unsigned int cpu, unsigned int mode)
{
unsigned int tmp;
- tmp = __raw_readl(REG_CPU_STATE_ADDR + cpu * 4);
+ tmp = readl_relaxed(REG_CPU_STATE_ADDR + cpu * 4);
if (mode & BOOT_MODE_MASK)
tmp &= ~BOOT_MODE_MASK;
tmp |= mode;
- __raw_writel(tmp, REG_CPU_STATE_ADDR + cpu * 4);
+ writel_relaxed(tmp, REG_CPU_STATE_ADDR + cpu * 4);
}
void exynos_clear_boot_flag(unsigned int cpu, unsigned int mode)
{
unsigned int tmp;
- tmp = __raw_readl(REG_CPU_STATE_ADDR + cpu * 4);
+ tmp = readl_relaxed(REG_CPU_STATE_ADDR + cpu * 4);
tmp &= ~mode;
- __raw_writel(tmp, REG_CPU_STATE_ADDR + cpu * 4);
+ writel_relaxed(tmp, REG_CPU_STATE_ADDR + cpu * 4);
}
diff --git a/arch/arm/mach-exynos/headsmp.S b/arch/arm/mach-exynos/headsmp.S
index b54f9701e..d3d24ab35 100644
--- a/arch/arm/mach-exynos/headsmp.S
+++ b/arch/arm/mach-exynos/headsmp.S
@@ -12,12 +12,15 @@
#include <linux/linkage.h>
#include <linux/init.h>
+#include <asm/assembler.h>
+
/*
* exynos4 specific entry point for secondary CPUs. This provides
* a "holding pen" into which all secondary cores are held until we're
* ready for them to initialise.
*/
ENTRY(exynos4_secondary_startup)
+ARM_BE8(setend be)
mrc p15, 0, r0, c0, c0, 5
and r0, r0, #15
adr r4, 1f
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 85c3be63d..98ffe1e62 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -264,7 +264,7 @@ int exynos_set_boot_addr(u32 core_id, unsigned long boot_addr)
ret = PTR_ERR(boot_reg);
goto fail;
}
- __raw_writel(boot_addr, boot_reg);
+ writel_relaxed(boot_addr, boot_reg);
ret = 0;
}
fail:
@@ -289,7 +289,7 @@ int exynos_get_boot_addr(u32 core_id, unsigned long *boot_addr)
ret = PTR_ERR(boot_reg);
goto fail;
}
- *boot_addr = __raw_readl(boot_reg);
+ *boot_addr = readl_relaxed(boot_reg);
ret = 0;
}
fail:
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index c43b776a5..487295f4a 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -132,9 +132,9 @@ static void exynos_set_wakeupmask(long mask)
static void exynos_cpu_set_boot_vector(long flags)
{
- __raw_writel(virt_to_phys(exynos_cpu_resume),
- exynos_boot_vector_addr());
- __raw_writel(flags, exynos_boot_vector_flag());
+ writel_relaxed(virt_to_phys(exynos_cpu_resume),
+ exynos_boot_vector_addr());
+ writel_relaxed(flags, exynos_boot_vector_flag());
}
static int exynos_aftr_finisher(unsigned long flags)
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index f21690937..06332f626 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -255,6 +255,12 @@ static int __init exynos_pmu_irq_init(struct device_node *node,
return -ENOMEM;
}
+ /*
+ * Clear the OF_POPULATED flag set in of_irq_init so that
+ * later the Exynos PMU platform device won't be skipped.
+ */
+ of_node_clear_flag(node, OF_POPULATED);
+
return 0;
}
@@ -301,7 +307,7 @@ static int exynos5420_cpu_suspend(unsigned long arg)
unsigned int cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
unsigned int cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
- __raw_writel(0x0, sysram_base_addr + EXYNOS5420_CPU_STATE);
+ writel_relaxed(0x0, sysram_base_addr + EXYNOS5420_CPU_STATE);
if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM)) {
mcpm_set_entry_vector(cpu, cluster, exynos_cpu_resume);
@@ -373,8 +379,8 @@ static void exynos5420_pm_prepare(void)
* needs to restore it back in case, the primary cpu fails to
* suspend for any reason.
*/
- exynos5420_cpu_state = __raw_readl(sysram_base_addr +
- EXYNOS5420_CPU_STATE);
+ exynos5420_cpu_state = readl_relaxed(sysram_base_addr +
+ EXYNOS5420_CPU_STATE);
exynos_pm_enter_sleep_mode();
@@ -504,11 +510,11 @@ static void exynos5420_pm_resume(void)
/* Restore the CPU0 low power state register */
tmp = pmu_raw_readl(EXYNOS5_ARM_CORE0_SYS_PWR_REG);
pmu_raw_writel(tmp | S5P_CORE_LOCAL_PWR_EN,
- EXYNOS5_ARM_CORE0_SYS_PWR_REG);
+ EXYNOS5_ARM_CORE0_SYS_PWR_REG);
/* Restore the sysram cpu state register */
- __raw_writel(exynos5420_cpu_state,
- sysram_base_addr + EXYNOS5420_CPU_STATE);
+ writel_relaxed(exynos5420_cpu_state,
+ sysram_base_addr + EXYNOS5420_CPU_STATE);
pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL,
S5P_CENTRAL_SEQ_OPTION);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 17:22:02 +0000