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| author | Andrew Lunn <andrew@lunn.ch> | 2013-01-27 11:07:23 +0100 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2013-05-29 19:32:04 +0000 |
| commit | 0e2ee0c0610ec211a9f0ebf3088cbf4da422ebf8 (patch) | |
| tree | 2db5838181e9752de57a872bb80051088464ed87 /arch/arm/mach-kirkwood | |
| parent | 3207792e62498f872d64f12e2fc368aa9d7e3795 (diff) | |
| download | blackbird-op-linux-0e2ee0c0610ec211a9f0ebf3088cbf4da422ebf8.tar.gz blackbird-op-linux-0e2ee0c0610ec211a9f0ebf3088cbf4da422ebf8.zip | |
arm: kirkwood: Instantiate cpufreq driver
Register a platform driver structure for the cpufreq driver.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/mach-kirkwood')
| -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 |
4 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index a8dae114b537..4cc9edf39865 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 c2cae69e6d2b..97882fcbf6ee 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 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) |
