Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-exynos / exynos.c

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index e6828fb46034732b07e6e5d3ed8c968d146793db..90aab4d75d0869e7496c9539c2d2a9dfb67756b4 100644 (file)
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -26,15 +26,10 @@
 #include <asm/mach/map.h>
 #include <asm/memory.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "mfc.h"
 #include "regs-pmu.h"
 
-#define L2_AUX_VAL 0x3c470001
-#define L2_AUX_MASK 0xc200ffff
-
 static struct map_desc exynos4_iodesc[] __initdata = {
        {
                .virtual        = (unsigned long)S3C_VA_SYS,
@@ -114,51 +109,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
        },
 };
 
-static struct map_desc exynos4_iodesc0[] __initdata = {
-       {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM,
-               .pfn            = __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-};
-
-static struct map_desc exynos4_iodesc1[] __initdata = {
-       {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM,
-               .pfn            = __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-};
-
-static struct map_desc exynos4210_iodesc[] __initdata = {
-       {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM_NS,
-               .pfn            = __phys_to_pfn(EXYNOS4210_PA_SYSRAM_NS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-};
-
-static struct map_desc exynos4x12_iodesc[] __initdata = {
-       {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM_NS,
-               .pfn            = __phys_to_pfn(EXYNOS4x12_PA_SYSRAM_NS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-};
-
-static struct map_desc exynos5250_iodesc[] __initdata = {
-       {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM_NS,
-               .pfn            = __phys_to_pfn(EXYNOS5250_PA_SYSRAM_NS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-};
-
 static struct map_desc exynos5_iodesc[] __initdata = {
        {
                .virtual        = (unsigned long)S3C_VA_SYS,
@@ -180,11 +130,6 @@ static struct map_desc exynos5_iodesc[] __initdata = {
                .pfn            = __phys_to_pfn(EXYNOS5_PA_SROMC),
                .length         = SZ_4K,
                .type           = MT_DEVICE,
-       }, {
-               .virtual        = (unsigned long)S5P_VA_SYSRAM,
-               .pfn            = __phys_to_pfn(EXYNOS5_PA_SYSRAM),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
        }, {
                .virtual        = (unsigned long)S5P_VA_CMU,
                .pfn            = __phys_to_pfn(EXYNOS5_PA_CMU),
@@ -221,12 +166,16 @@ void exynos_restart(enum reboot_mode mode, const char *cmd)
 }
 
 static struct platform_device exynos_cpuidle = {
-       .name           = "exynos_cpuidle",
-       .id             = -1,
+       .name              = "exynos_cpuidle",
+       .dev.platform_data = exynos_enter_aftr,
+       .id                = -1,
 };
 
 void __init exynos_cpuidle_init(void)
 {
+       if (soc_is_exynos5440())
+               return;
+
        platform_device_register(&exynos_cpuidle);
 }
 
@@ -250,7 +199,7 @@ static int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
 {
        struct map_desc iodesc;
        __be32 *reg;
-       unsigned long len;
+       int len;
 
        if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid") &&
                !of_flat_dt_is_compatible(node, "samsung,exynos5440-clock"))
@@ -280,20 +229,6 @@ static void __init exynos_map_io(void)
 
        if (soc_is_exynos5())
                iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
-
-       if (soc_is_exynos4210()) {
-               if (samsung_rev() == EXYNOS4210_REV_0)
-                       iotable_init(exynos4_iodesc0,
-                                               ARRAY_SIZE(exynos4_iodesc0));
-               else
-                       iotable_init(exynos4_iodesc1,
-                                               ARRAY_SIZE(exynos4_iodesc1));
-               iotable_init(exynos4210_iodesc, ARRAY_SIZE(exynos4210_iodesc));
-       }
-       if (soc_is_exynos4212() || soc_is_exynos4412())
-               iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc));
-       if (soc_is_exynos5250())
-               iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
 }
 
 void __init exynos_init_io(void)
@@ -308,33 +243,6 @@ void __init exynos_init_io(void)
        exynos_map_io();
 }
 
-struct bus_type exynos_subsys = {
-       .name           = "exynos-core",
-       .dev_name       = "exynos-core",
-};
-
-static int __init exynos_core_init(void)
-{
-       return subsys_system_register(&exynos_subsys, NULL);
-}
-core_initcall(exynos_core_init);
-
-static int __init exynos4_l2x0_cache_init(void)
-{
-       int ret;
-
-       ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
-       if (ret)
-               return ret;
-
-       if (IS_ENABLED(CONFIG_S5P_SLEEP)) {
-               l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
-               clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
-       }
-       return 0;
-}
-early_initcall(exynos4_l2x0_cache_init);
-
 static void __init exynos_dt_machine_init(void)
 {
        struct device_node *i2c_np;
@@ -370,12 +278,15 @@ static void __init exynos_dt_machine_init(void)
 }
 
 static char const *exynos_dt_compat[] __initconst = {
+       "samsung,exynos3",
+       "samsung,exynos3250",
        "samsung,exynos4",
        "samsung,exynos4210",
        "samsung,exynos4212",
        "samsung,exynos4412",
        "samsung,exynos5",
        "samsung,exynos5250",
+       "samsung,exynos5260",
        "samsung,exynos5420",
        "samsung,exynos5440",
        NULL
@@ -400,6 +311,8 @@ static void __init exynos_reserve(void)
 DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)")
        /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
        /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+       .l2c_aux_val    = 0x3c400001,
+       .l2c_aux_mask   = 0xc20fffff,
        .smp            = smp_ops(exynos_smp_ops),
        .map_io         = exynos_init_io,
        .init_early     = exynos_firmware_init,