diff options
| -rw-r--r-- | arch/arm/mach-shmobile/Makefile | 5 | ||||
| -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/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/smp-r8a7790.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/smp-r8a7791.c | 2 |
9 files changed, 122 insertions, 161 deletions
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index d53996e6da97..0ae702b0d45b 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-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o @@ -50,6 +50,7 @@ obj-$(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/pm-r8a7790.c b/arch/arm/mach-shmobile/pm-r8a7790.c deleted file mode 100644 index 23b61f170c22..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(0x013111ef, 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 f7cfb3b72574..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(0x00111003, 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/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/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, |