diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 111 |
1 files changed, 82 insertions, 29 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index bac21a554c9..255f33a3903 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -20,22 +20,29 @@ #include <linux/mv643xx_i2c.h> #include <linux/timex.h> #include <linux/kexec.h> +#include <linux/reboot.h> #include <net/dsa.h> #include <asm/page.h> #include <asm/mach/map.h> #include <asm/mach/time.h> +#include <asm/hardware/cache-feroceon-l2.h> #include <mach/kirkwood.h> #include <mach/bridge-regs.h> #include <linux/platform_data/asoc-kirkwood.h> -#include <plat/cache-feroceon-l2.h> #include <linux/platform_data/mmc-mvsdio.h> #include <linux/platform_data/mtd-orion_nand.h> #include <linux/platform_data/usb-ehci-orion.h> #include <plat/common.h> #include <plat/time.h> -#include <plat/addr-map.h> #include <linux/platform_data/dma-mv_xor.h> #include "common.h" +#include "pm.h" + +/* These can go away once Kirkwood uses the mvebu-mbus DT binding */ +#define KIRKWOOD_MBUS_NAND_TARGET 0x01 +#define KIRKWOOD_MBUS_NAND_ATTR 0x2f +#define KIRKWOOD_MBUS_SRAM_TARGET 0x03 +#define KIRKWOOD_MBUS_SRAM_ATTR 0x01 /***************************************************************************** * I/O Address Mapping @@ -264,7 +271,7 @@ void __init kirkwood_clk_init(void) orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1); orion_clkdev_add("0", "pcie", pex0); orion_clkdev_add("1", "pcie", pex1); - orion_clkdev_add(NULL, "kirkwood-i2s", audio); + orion_clkdev_add(NULL, "mvebu-audio", audio); orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", runit); orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".1", runit); @@ -499,6 +506,28 @@ void __init kirkwood_wdt_init(void) orion_wdt_init(); } +/***************************************************************************** + * CPU idle + ****************************************************************************/ +static struct resource kirkwood_cpuidle_resource[] = { + { + .flags = IORESOURCE_MEM, + .start = DDR_OPERATION_BASE, + .end = DDR_OPERATION_BASE + 3, + }, +}; + +static struct platform_device kirkwood_cpuidle = { + .name = "kirkwood_cpuidle", + .id = -1, + .resource = kirkwood_cpuidle_resource, + .num_resources = 1, +}; + +void __init kirkwood_cpuidle_init(void) +{ + platform_device_register(&kirkwood_cpuidle); +} /***************************************************************************** * Time handling @@ -506,13 +535,6 @@ void __init kirkwood_wdt_init(void) void __init kirkwood_init_early(void) { orion_time_set_base(TIMER_VIRT_BASE); - - /* - * Some Kirkwood devices allocate their coherent buffers from atomic - * context. Increase size of atomic coherent pool to make sure such - * the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); } int kirkwood_tclk; @@ -530,7 +552,7 @@ static int __init kirkwood_find_tclk(void) return 166666667; } -static void __init kirkwood_timer_init(void) +void __init kirkwood_timer_init(void) { kirkwood_tclk = kirkwood_find_tclk(); @@ -538,14 +560,10 @@ static void __init kirkwood_timer_init(void) IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); } -struct sys_timer kirkwood_timer = { - .init = kirkwood_timer_init, -}; - /***************************************************************************** * Audio ****************************************************************************/ -static struct resource kirkwood_i2s_resources[] = { +static struct resource kirkwood_audio_resources[] = { [0] = { .start = AUDIO_PHYS_BASE, .end = AUDIO_PHYS_BASE + SZ_16K - 1, @@ -558,29 +576,46 @@ static struct resource kirkwood_i2s_resources[] = { }, }; -static struct kirkwood_asoc_platform_data kirkwood_i2s_data = { +static struct kirkwood_asoc_platform_data kirkwood_audio_data = { .burst = 128, }; -static struct platform_device kirkwood_i2s_device = { - .name = "kirkwood-i2s", +static struct platform_device kirkwood_audio_device = { + .name = "mvebu-audio", .id = -1, - .num_resources = ARRAY_SIZE(kirkwood_i2s_resources), - .resource = kirkwood_i2s_resources, + .num_resources = ARRAY_SIZE(kirkwood_audio_resources), + .resource = kirkwood_audio_resources, .dev = { - .platform_data = &kirkwood_i2s_data, + .platform_data = &kirkwood_audio_data, }, }; -static struct platform_device kirkwood_pcm_device = { - .name = "kirkwood-pcm-audio", +void __init kirkwood_audio_init(void) +{ + platform_device_register(&kirkwood_audio_device); +} + +/***************************************************************************** + * 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_audio_init(void) +void __init kirkwood_cpufreq_init(void) { - platform_device_register(&kirkwood_i2s_device); - platform_device_register(&kirkwood_pcm_device); + platform_device_register(&kirkwood_cpufreq_device); } /***************************************************************************** @@ -632,6 +667,18 @@ char * __init kirkwood_id(void) } } +void __init kirkwood_setup_wins(void) +{ + mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_NAND_TARGET, + KIRKWOOD_MBUS_NAND_ATTR, + KIRKWOOD_NAND_MEM_PHYS_BASE, + KIRKWOOD_NAND_MEM_SIZE); + mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_SRAM_TARGET, + KIRKWOOD_MBUS_SRAM_ATTR, + KIRKWOOD_SRAM_PHYS_BASE, + KIRKWOOD_SRAM_SIZE); +} + void __init kirkwood_l2_init(void) { #ifdef CONFIG_CACHE_FEROCEON_L2 @@ -657,7 +704,11 @@ void __init kirkwood_init(void) */ writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG); - kirkwood_setup_cpu_mbus(); + BUG_ON(mvebu_mbus_init("marvell,kirkwood-mbus", + BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, + DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ)); + + kirkwood_setup_wins(); kirkwood_l2_init(); @@ -671,12 +722,14 @@ void __init kirkwood_init(void) kirkwood_xor1_init(); kirkwood_crypto_init(); + kirkwood_pm_init(); + kirkwood_cpuidle_init(); #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; #endif } -void kirkwood_restart(char mode, const char *cmd) +void kirkwood_restart(enum reboot_mode mode, const char *cmd) { /* * Enable soft reset to assert RSTOUTn. |