diff options
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/common.h | 9 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/cpuidle.c | 37 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pm-r8a7790.c | 82 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pm-r8a7791.c | 73 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pm-rcar-gen2.c | 115 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/r8a7790.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/r8a7791.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/rcar-gen2.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7740.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-rcar-gen2.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/smp-r8a7790.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/smp-r8a7791.c | 2 |
14 files changed, 123 insertions, 221 deletions
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index d53996e6da97..03794b0de64b 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -12,8 +12,8 @@ obj-$(CONFIG_ARCH_R8A73A4) += setup-r8a73a4.o obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o pm-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o pm-r8a7779.o -obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o pm-r8a7790.o -obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o pm-r8a7791.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o +obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o obj-$(CONFIG_ARCH_R8A7794) += setup-r8a7794.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o @@ -46,10 +46,10 @@ smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o # PM objects obj-$(CONFIG_SUSPEND) += suspend.o -obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_FREQ) += cpufreq.o obj-$(CONFIG_PM_RCAR) += pm-rcar.o obj-$(CONFIG_PM_RMOBILE) += pm-rmobile.o +obj-$(CONFIG_ARCH_RCAR_GEN2) += pm-rcar-gen2.o # special sh7372 handling for IRQ objects and low level sleep code obj-$(CONFIG_ARCH_SH7372) += entry-intc.o sleep-sh7372.o diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h index 309025efd4cf..1dc09713f753 100644 --- a/arch/arm/mach-shmobile/common.h +++ b/arch/arm/mach-shmobile/common.h @@ -23,8 +23,6 @@ struct clk; extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); extern struct platform_suspend_ops shmobile_suspend_ops; -struct cpuidle_driver; -extern void shmobile_cpuidle_set_driver(struct cpuidle_driver *drv); #ifdef CONFIG_SUSPEND int shmobile_suspend_init(void); @@ -34,12 +32,6 @@ static inline int shmobile_suspend_init(void) { return 0; } static inline void shmobile_smp_apmu_suspend_init(void) { } #endif -#ifdef CONFIG_CPU_IDLE -int shmobile_cpuidle_init(void); -#else -static inline int shmobile_cpuidle_init(void) { return 0; } -#endif - #ifdef CONFIG_CPU_FREQ int shmobile_cpufreq_init(void); #else @@ -51,7 +43,6 @@ extern void __iomem *shmobile_scu_base; static inline void __init shmobile_init_late(void) { shmobile_suspend_init(); - shmobile_cpuidle_init(); shmobile_cpufreq_init(); } diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c deleted file mode 100644 index 0afeb5c7061c..000000000000 --- a/arch/arm/mach-shmobile/cpuidle.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * CPUIdle support code for SH-Mobile ARM - * - * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/pm.h> -#include <linux/cpuidle.h> -#include <linux/suspend.h> -#include <linux/module.h> -#include <linux/err.h> -#include <asm/cpuidle.h> -#include <asm/io.h> - -static struct cpuidle_driver shmobile_cpuidle_default_driver = { - .name = "shmobile_cpuidle", - .owner = THIS_MODULE, - .states[0] = ARM_CPUIDLE_WFI_STATE, - .safe_state_index = 0, /* C1 */ - .state_count = 1, -}; - -static struct cpuidle_driver *cpuidle_drv = &shmobile_cpuidle_default_driver; - -void __init shmobile_cpuidle_set_driver(struct cpuidle_driver *drv) -{ - cpuidle_drv = drv; -} - -int __init shmobile_cpuidle_init(void) -{ - return cpuidle_register(cpuidle_drv, NULL); -} diff --git a/arch/arm/mach-shmobile/pm-r8a7790.c b/arch/arm/mach-shmobile/pm-r8a7790.c deleted file mode 100644 index 80e8d95e54d3..000000000000 --- a/arch/arm/mach-shmobile/pm-r8a7790.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * r8a7790 Power management support - * - * Copyright (C) 2013 Renesas Electronics Corporation - * Copyright (C) 2011 Renesas Solutions Corp. - * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/kernel.h> -#include <linux/smp.h> -#include <asm/io.h> -#include "common.h" -#include "pm-rcar.h" -#include "r8a7790.h" - -/* RST */ -#define RST 0xe6160000 -#define CA15BAR 0x0020 -#define CA7BAR 0x0030 -#define CA15RESCNT 0x0040 -#define CA7RESCNT 0x0044 - -/* On-chip RAM */ -#define MERAM 0xe8080000 - -/* SYSC */ -#define SYSCIER 0x0c -#define SYSCIMR 0x10 - -#if defined(CONFIG_SMP) - -static void __init r8a7790_sysc_init(void) -{ - void __iomem *base = rcar_sysc_init(0xe6180000); - - /* enable all interrupt sources, but do not use interrupt handler */ - iowrite32(0x0131000e, base + SYSCIER); - iowrite32(0, base + SYSCIMR); -} - -#else /* CONFIG_SMP */ - -static inline void r8a7790_sysc_init(void) {} - -#endif /* CONFIG_SMP */ - -void __init r8a7790_pm_init(void) -{ - void __iomem *p; - u32 bar; - static int once; - - if (once++) - return; - - /* MERAM for jump stub, because BAR requires 256KB aligned address */ - p = ioremap_nocache(MERAM, shmobile_boot_size); - memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); - iounmap(p); - - /* setup reset vectors */ - p = ioremap_nocache(RST, 0x63); - bar = (MERAM >> 8) & 0xfffffc00; - writel_relaxed(bar, p + CA15BAR); - writel_relaxed(bar, p + CA7BAR); - writel_relaxed(bar | 0x10, p + CA15BAR); - writel_relaxed(bar | 0x10, p + CA7BAR); - - /* de-assert reset for all CPUs */ - writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, - p + CA15RESCNT); - writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000, - p + CA7RESCNT); - iounmap(p); - - r8a7790_sysc_init(); - shmobile_smp_apmu_suspend_init(); -} diff --git a/arch/arm/mach-shmobile/pm-r8a7791.c b/arch/arm/mach-shmobile/pm-r8a7791.c deleted file mode 100644 index 25f107bb3657..000000000000 --- a/arch/arm/mach-shmobile/pm-r8a7791.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * r8a7791 Power management support - * - * Copyright (C) 2014 Renesas Electronics Corporation - * Copyright (C) 2011 Renesas Solutions Corp. - * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/kernel.h> -#include <linux/smp.h> -#include <asm/io.h> -#include "common.h" -#include "pm-rcar.h" -#include "r8a7791.h" - -#define RST 0xe6160000 -#define CA15BAR 0x0020 -#define CA15RESCNT 0x0040 -#define RAM 0xe6300000 - -/* SYSC */ -#define SYSCIER 0x0c -#define SYSCIMR 0x10 - -#if defined(CONFIG_SMP) - -static void __init r8a7791_sysc_init(void) -{ - void __iomem *base = rcar_sysc_init(0xe6180000); - - /* enable all interrupt sources, but do not use interrupt handler */ - iowrite32(0x0131000e, base + SYSCIER); - iowrite32(0, base + SYSCIMR); -} - -#else /* CONFIG_SMP */ - -static inline void r8a7791_sysc_init(void) {} - -#endif /* CONFIG_SMP */ - -void __init r8a7791_pm_init(void) -{ - void __iomem *p; - u32 bar; - static int once; - - if (once++) - return; - - /* RAM for jump stub, because BAR requires 256KB aligned address */ - p = ioremap_nocache(RAM, shmobile_boot_size); - memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); - iounmap(p); - - /* setup reset vectors */ - p = ioremap_nocache(RST, 0x63); - bar = (RAM >> 8) & 0xfffffc00; - writel_relaxed(bar, p + CA15BAR); - writel_relaxed(bar | 0x10, p + CA15BAR); - - /* enable clocks to all CPUs */ - writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, - p + CA15RESCNT); - iounmap(p); - - r8a7791_sysc_init(); - shmobile_smp_apmu_suspend_init(); -} diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c new file mode 100644 index 000000000000..6815781ad116 --- /dev/null +++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c @@ -0,0 +1,115 @@ +/* + * R-Car Generation 2 Power management support + * + * Copyright (C) 2013 - 2015 Renesas Electronics Corporation + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/smp.h> +#include <asm/io.h> +#include "common.h" +#include "pm-rcar.h" +#include "rcar-gen2.h" + +/* RST */ +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA7BAR 0x0030 +#define CA15RESCNT 0x0040 +#define CA7RESCNT 0x0044 + +/* On-chip RAM */ +#define MERAM 0xe8080000 +#define RAM 0xe6300000 + +/* SYSC */ +#define SYSCIER 0x0c +#define SYSCIMR 0x10 + +#if defined(CONFIG_SMP) + +static void __init rcar_gen2_sysc_init(u32 syscier) +{ + void __iomem *base = rcar_sysc_init(0xe6180000); + + /* enable all interrupt sources, but do not use interrupt handler */ + iowrite32(syscier, base + SYSCIER); + iowrite32(0, base + SYSCIMR); +} + +#else /* CONFIG_SMP */ + +static inline void rcar_gen2_sysc_init(u32 syscier) {} + +#endif /* CONFIG_SMP */ + +void __init rcar_gen2_pm_init(void) +{ + void __iomem *p; + u32 bar; + static int once; + struct device_node *np, *cpus; + bool has_a7 = false; + bool has_a15 = false; + phys_addr_t boot_vector_addr = 0; + u32 syscier = 0; + + if (once++) + return; + + cpus = of_find_node_by_path("/cpus"); + if (!cpus) + return; + + for_each_child_of_node(cpus, np) { + if (of_device_is_compatible(np, "arm,cortex-a15")) + has_a15 = true; + else if (of_device_is_compatible(np, "arm,cortex-a7")) + has_a7 = true; + } + + if (of_machine_is_compatible("renesas,r8a7790")) { + boot_vector_addr = MERAM; + syscier = 0x013111ef; + + } else if (of_machine_is_compatible("renesas,r8a7791")) { + boot_vector_addr = RAM; + syscier = 0x00111003; + } + + /* RAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(boot_vector_addr, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (boot_vector_addr >> 8) & 0xfffffc00; + if (has_a15) { + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + + /* de-assert reset for CA15 CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | + 0xa5a50000, p + CA15RESCNT); + } + if (has_a7) { + writel_relaxed(bar, p + CA7BAR); + writel_relaxed(bar | 0x10, p + CA7BAR); + + /* de-assert reset for CA7 CPUs */ + writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | + 0x5a5a0000, p + CA7RESCNT); + } + iounmap(p); + + rcar_gen2_sysc_init(syscier); + shmobile_smp_apmu_suspend_init(); +} diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index c0293ae4b013..9f190528a556 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -462,7 +462,7 @@ static struct cpuidle_driver sh7372_cpuidle_driver = { static void __init sh7372_cpuidle_init(void) { - shmobile_cpuidle_set_driver(&sh7372_cpuidle_driver); + return cpuidle_register(cpuidle_drv, NULL); } #else static void __init sh7372_cpuidle_init(void) {} diff --git a/arch/arm/mach-shmobile/r8a7790.h b/arch/arm/mach-shmobile/r8a7790.h index bf73a850aaed..1a46d026052c 100644 --- a/arch/arm/mach-shmobile/r8a7790.h +++ b/arch/arm/mach-shmobile/r8a7790.h @@ -1,7 +1,6 @@ #ifndef __ASM_R8A7790_H__ #define __ASM_R8A7790_H__ -void r8a7790_pm_init(void); extern struct smp_operations r8a7790_smp_ops; #endif /* __ASM_R8A7790_H__ */ diff --git a/arch/arm/mach-shmobile/r8a7791.h b/arch/arm/mach-shmobile/r8a7791.h index 6cf11eb69d10..7ca0b7d0f59b 100644 --- a/arch/arm/mach-shmobile/r8a7791.h +++ b/arch/arm/mach-shmobile/r8a7791.h @@ -1,7 +1,6 @@ #ifndef __ASM_R8A7791_H__ #define __ASM_R8A7791_H__ -void r8a7791_pm_init(void); extern struct smp_operations r8a7791_smp_ops; #endif /* __ASM_R8A7791_H__ */ diff --git a/arch/arm/mach-shmobile/rcar-gen2.h b/arch/arm/mach-shmobile/rcar-gen2.h index ce53cb5f53a1..8a66b4aae035 100644 --- a/arch/arm/mach-shmobile/rcar-gen2.h +++ b/arch/arm/mach-shmobile/rcar-gen2.h @@ -5,5 +5,6 @@ void rcar_gen2_timer_init(void); #define MD(nr) BIT(nr) u32 rcar_gen2_read_mode_pins(void); void rcar_gen2_reserve(void); +void rcar_gen2_pm_init(void); #endif /* __ASM_RCAR_GEN2_H__ */ diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index dd64caf79216..9832e48396a4 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -842,13 +842,6 @@ static void __init r8a7740_generic_init(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -#define RESCNT2 IOMEM(0xe6188020) -static void r8a7740_restart(enum reboot_mode mode, const char *cmd) -{ - /* Do soft power on reset */ - writel(1 << 31, RESCNT2); -} - static const char *r8a7740_boards_compat_dt[] __initdata = { "renesas,r8a7740", NULL, @@ -861,7 +854,6 @@ DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)") .init_machine = r8a7740_generic_init, .init_late = shmobile_init_late, .dt_compat = r8a7740_boards_compat_dt, - .restart = r8a7740_restart, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c index d1fa625e61f5..51464cc6d65b 100644 --- a/arch/arm/mach-shmobile/setup-rcar-gen2.c +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c @@ -50,9 +50,7 @@ u32 rcar_gen2_read_mode_pins(void) void __init rcar_gen2_timer_init(void) { -#if defined(CONFIG_ARM_ARCH_TIMER) || defined(CONFIG_COMMON_CLK) u32 mode = rcar_gen2_read_mode_pins(); -#endif #ifdef CONFIG_ARM_ARCH_TIMER void __iomem *base; int extal_mhz = 0; @@ -128,9 +126,7 @@ void __init rcar_gen2_timer_init(void) iounmap(base); #endif /* CONFIG_ARM_ARCH_TIMER */ -#ifdef CONFIG_COMMON_CLK rcar_gen2_clocks_init(mode); -#endif #ifdef CONFIG_ARCH_SHMOBILE_MULTI clocksource_of_init(); #endif diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c index 9c3da1345b8b..f8be41575d7c 100644 --- a/arch/arm/mach-shmobile/smp-r8a7790.c +++ b/arch/arm/mach-shmobile/smp-r8a7790.c @@ -23,6 +23,7 @@ #include "common.h" #include "platsmp-apmu.h" #include "pm-rcar.h" +#include "rcar-gen2.h" #include "r8a7790.h" static struct rcar_sysc_ch r8a7790_ca15_scu = { @@ -54,7 +55,7 @@ static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus) ARRAY_SIZE(r8a7790_apmu_config)); /* turn on power to SCU */ - r8a7790_pm_init(); + rcar_gen2_pm_init(); rcar_sysc_power_up(&r8a7790_ca15_scu); rcar_sysc_power_up(&r8a7790_ca7_scu); } diff --git a/arch/arm/mach-shmobile/smp-r8a7791.c b/arch/arm/mach-shmobile/smp-r8a7791.c index 7e49e0a52e32..6658682d5c9e 100644 --- a/arch/arm/mach-shmobile/smp-r8a7791.c +++ b/arch/arm/mach-shmobile/smp-r8a7791.c @@ -39,7 +39,7 @@ static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus) r8a7791_apmu_config, ARRAY_SIZE(r8a7791_apmu_config)); - r8a7791_pm_init(); + rcar_gen2_pm_init(); } static int r8a7791_smp_boot_secondary(unsigned int cpu, |