diff options
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dt.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 23 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 2 |
5 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d423d58..76fa766 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -501,6 +501,7 @@ config ARCH_DOVE config ARCH_KIRKWOOD bool "Marvell Kirkwood" + select ARCH_HAS_CPUFREQ select ARCH_REQUIRE_GPIOLIB select CPU_FEROCEON select GENERIC_CLOCKEVENTS diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index a8dae11..4cc9edf 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -92,6 +92,8 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); + kirkwood_cpufreq_init(); + /* Setup root of clk tree */ kirkwood_of_clk_init(); diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c2cae69..97882fc 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -604,6 +604,29 @@ void __init kirkwood_audio_init(void) } /***************************************************************************** + * CPU Frequency + ****************************************************************************/ +static struct resource kirkwood_cpufreq_resources[] = { + [0] = { + .start = CPU_CONTROL_PHYS, + .end = CPU_CONTROL_PHYS + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device kirkwood_cpufreq_device = { + .name = "kirkwood-cpufreq", + .id = -1, + .num_resources = ARRAY_SIZE(kirkwood_cpufreq_resources), + .resource = kirkwood_cpufreq_resources, +}; + +void __init kirkwood_cpufreq_init(void) +{ + platform_device_register(&kirkwood_cpufreq_device); +} + +/***************************************************************************** * General ****************************************************************************/ /* diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 21da3b1..99e7698 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -51,6 +51,8 @@ void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)); void kirkwood_audio_init(void); void kirkwood_cpuidle_init(void); +void kirkwood_cpufreq_init(void); + void kirkwood_restart(char, const char *); void kirkwood_clk_init(void); diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 5c82b7d..d4cbe5e 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -17,6 +17,7 @@ #define CPU_CONFIG_ERROR_PROP 0x00000004 #define CPU_CONTROL (BRIDGE_VIRT_BASE + 0x0104) +#define CPU_CONTROL_PHYS (BRIDGE_PHYS_BASE + 0x0104) #define CPU_RESET 0x00000002 #define RSTOUTn_MASK (BRIDGE_VIRT_BASE + 0x0108) @@ -69,6 +70,7 @@ #define CGC_RUNIT (1 << 7) #define CGC_XOR0 (1 << 8) #define CGC_AUDIO (1 << 9) +#define CGC_POWERSAVE (1 << 11) #define CGC_SATA0 (1 << 14) #define CGC_SATA1 (1 << 15) #define CGC_XOR1 (1 << 16) |