diff options
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dt.c | 9 | ||||
| -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, 31 insertions, 6 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 49d993cee512..8ab5962a63a5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -502,6 +502,7 @@ 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 e9647b80cb59..4cc9edf39865 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -25,11 +25,6 @@ #include <plat/common.h> #include "common.h" -static struct of_device_id kirkwood_dt_match_table[] __initdata = { - { .compatible = "simple-bus", }, - { } -}; - /* * There are still devices that doesn't know about DT yet. Get clock * gates here and add a clock lookup alias, so that old platform @@ -97,6 +92,8 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); + kirkwood_cpufreq_init(); + /* Setup root of clk tree */ kirkwood_of_clk_init(); @@ -159,7 +156,7 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("usi,topkick")) usi_topkick_init(); - of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } static const char * const kirkwood_dt_board_compat[] = { diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index f38922897563..56250e638d9b 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -598,6 +598,29 @@ 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 21da3b1ebd7b..99e769893c35 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 5c82b7dce4e2..d4cbe5e81bb4 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) |