diff options
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r-- | arch/arm/mach-pxa/clock.c | 15 | ||||
-rw-r--r-- | arch/arm/mach-pxa/corgi.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-pxa/devices.h | 11 | ||||
-rw-r--r-- | arch/arm/mach-pxa/dma.c | 44 | ||||
-rw-r--r-- | arch/arm/mach-pxa/generic.c | 93 | ||||
-rw-r--r-- | arch/arm/mach-pxa/generic.h | 6 | ||||
-rw-r--r-- | arch/arm/mach-pxa/idp.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/irq.c | 106 | ||||
-rw-r--r-- | arch/arm/mach-pxa/lpd270.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/lubbock.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pm.c | 47 | ||||
-rw-r--r-- | arch/arm/mach-pxa/poodle.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 62 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 82 | ||||
-rw-r--r-- | arch/arm/mach-pxa/spitz.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-pxa/time.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-pxa/tosa.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/trizeps4.c | 3 |
19 files changed, 260 insertions, 251 deletions
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index 8f7c90a0593..34a31caa6f9 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -12,7 +12,6 @@ #include <asm/arch/pxa-regs.h> #include <asm/hardware.h> -#include <asm/semaphore.h> struct clk { struct list_head node; @@ -25,21 +24,21 @@ struct clk { }; static LIST_HEAD(clocks); -static DECLARE_MUTEX(clocks_sem); +static DEFINE_MUTEX(clocks_mutex); static DEFINE_SPINLOCK(clocks_lock); struct clk *clk_get(struct device *dev, const char *id) { struct clk *p, *clk = ERR_PTR(-ENOENT); - down(&clocks_sem); + mutex_lock(&clocks_mutex); list_for_each_entry(p, &clocks, node) { if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) { clk = p; break; } } - up(&clocks_sem); + mutex_unlock(&clocks_mutex); return clk; } @@ -101,18 +100,18 @@ static struct clk clk_gpio27 = { int clk_register(struct clk *clk) { - down(&clocks_sem); + mutex_lock(&clocks_mutex); list_add(&clk->node, &clocks); - up(&clocks_sem); + mutex_unlock(&clocks_mutex); return 0; } EXPORT_SYMBOL(clk_register); void clk_unregister(struct clk *clk) { - down(&clocks_sem); + mutex_lock(&clocks_mutex); list_del(&clk->node); - up(&clocks_sem); + mutex_unlock(&clocks_mutex); } EXPORT_SYMBOL(clk_unregister); diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index a1a900d1666..aab27297b3c 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -44,6 +44,7 @@ #include <asm/hardware/scoop.h> #include "generic.h" +#include "devices.h" #include "sharpsl.h" @@ -368,7 +369,7 @@ MACHINE_START(CORGI, "SHARP Corgi") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa25x_init_irq, .init_machine = corgi_init, .timer = &pxa_timer, MACHINE_END @@ -380,7 +381,7 @@ MACHINE_START(SHEPHERD, "SHARP Shepherd") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa25x_init_irq, .init_machine = corgi_init, .timer = &pxa_timer, MACHINE_END @@ -392,7 +393,7 @@ MACHINE_START(HUSKY, "SHARP Husky") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_corgi, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa25x_init_irq, .init_machine = corgi_init, .timer = &pxa_timer, MACHINE_END diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h new file mode 100644 index 00000000000..9a6faff8e5a --- /dev/null +++ b/arch/arm/mach-pxa/devices.h @@ -0,0 +1,11 @@ +extern struct platform_device pxamci_device; +extern struct platform_device pxaudc_device; +extern struct platform_device pxafb_device; +extern struct platform_device ffuart_device; +extern struct platform_device btuart_device; +extern struct platform_device stuart_device; +extern struct platform_device hwuart_device; +extern struct platform_device pxai2c_device; +extern struct platform_device pxai2s_device; +extern struct platform_device pxaficp_device; +extern struct platform_device pxartc_device; diff --git a/arch/arm/mach-pxa/dma.c b/arch/arm/mach-pxa/dma.c index 4440babe7b9..93c4f31f127 100644 --- a/arch/arm/mach-pxa/dma.c +++ b/arch/arm/mach-pxa/dma.c @@ -25,12 +25,15 @@ #include <asm/arch/pxa-regs.h> -static struct dma_channel { +struct dma_channel { char *name; + pxa_dma_prio prio; void (*irq_handler)(int, void *); void *data; -} dma_channels[PXA_DMA_CHANNELS]; +}; +static struct dma_channel *dma_channels; +static int num_dma_channels; int pxa_request_dma (char *name, pxa_dma_prio prio, void (*irq_handler)(int, void *), @@ -47,8 +50,9 @@ int pxa_request_dma (char *name, pxa_dma_prio prio, do { /* try grabbing a DMA channel with the requested priority */ - pxa_for_each_dma_prio (i, prio) { - if (!dma_channels[i].name) { + for (i = 0; i < num_dma_channels; i++) { + if ((dma_channels[i].prio == prio) && + !dma_channels[i].name) { found = 1; break; } @@ -91,7 +95,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id) { int i, dint = DINT; - for (i = 0; i < PXA_DMA_CHANNELS; i++) { + for (i = 0; i < num_dma_channels; i++) { if (dint & (1 << i)) { struct dma_channel *channel = &dma_channels[i]; if (channel->name && channel->irq_handler) { @@ -109,18 +113,32 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id) return IRQ_HANDLED; } -static int __init pxa_dma_init (void) +int __init pxa_init_dma(int num_ch) { - int ret; + int i, ret; - ret = request_irq (IRQ_DMA, dma_irq_handler, 0, "DMA", NULL); - if (ret) + dma_channels = kzalloc(sizeof(struct dma_channel) * num_ch, GFP_KERNEL); + if (dma_channels == NULL) + return -ENOMEM; + + ret = request_irq(IRQ_DMA, dma_irq_handler, IRQF_DISABLED, "DMA", NULL); + if (ret) { printk (KERN_CRIT "Wow! Can't register IRQ for DMA\n"); - return ret; -} + kfree(dma_channels); + return ret; + } -arch_initcall(pxa_dma_init); + /* dma channel priorities on pxa2xx processors: + * ch 0 - 3, 16 - 19 <--> (0) DMA_PRIO_HIGH + * ch 4 - 7, 20 - 23 <--> (1) DMA_PRIO_MEDIUM + * ch 8 - 15, 24 - 31 <--> (2) DMA_PRIO_LOW + */ + for (i = 0; i < num_ch; i++) + dma_channels[i].prio = min((i & 0xf) >> 2, DMA_PRIO_LOW); + + num_dma_channels = num_ch; + return 0; +} EXPORT_SYMBOL(pxa_request_dma); EXPORT_SYMBOL(pxa_free_dma); - diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 64b08b744f9..296539b6359 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -43,6 +43,7 @@ #include <asm/arch/irda.h> #include <asm/arch/i2c.h> +#include "devices.h" #include "generic.h" /* @@ -242,7 +243,7 @@ static struct resource pxamci_resources[] = { static u64 pxamci_dmamask = 0xffffffffUL; -static struct platform_device pxamci_device = { +struct platform_device pxamci_device = { .name = "pxa2xx-mci", .id = -1, .dev = { @@ -281,7 +282,7 @@ static struct resource pxa2xx_udc_resources[] = { static u64 udc_dma_mask = ~(u32)0; -static struct platform_device udc_device = { +struct platform_device pxaudc_device = { .name = "pxa2xx-udc", .id = -1, .resource = pxa2xx_udc_resources, @@ -307,7 +308,7 @@ static struct resource pxafb_resources[] = { static u64 fb_dma_mask = ~(u64)0; -static struct platform_device pxafb_device = { +struct platform_device pxafb_device = { .name = "pxa2xx-fb", .id = -1, .dev = { @@ -328,24 +329,24 @@ void __init set_pxa_fb_parent(struct device *parent_dev) pxafb_device.dev.parent = parent_dev; } -static struct platform_device ffuart_device = { +struct platform_device ffuart_device = { .name = "pxa2xx-uart", .id = 0, }; -static struct platform_device btuart_device = { +struct platform_device btuart_device = { .name = "pxa2xx-uart", .id = 1, }; -static struct platform_device stuart_device = { +struct platform_device stuart_device = { .name = "pxa2xx-uart", .id = 2, }; -static struct platform_device hwuart_device = { +struct platform_device hwuart_device = { .name = "pxa2xx-uart", .id = 3, }; -static struct resource i2c_resources[] = { +static struct resource pxai2c_resources[] = { { .start = 0x40301680, .end = 0x403016a3, @@ -357,40 +358,19 @@ static struct resource i2c_resources[] = { }, }; -static struct platform_device i2c_device = { +struct platform_device pxai2c_device = { .name = "pxa2xx-i2c", .id = 0, - .resource = i2c_resources, - .num_resources = ARRAY_SIZE(i2c_resources), + .resource = pxai2c_resources, + .num_resources = ARRAY_SIZE(pxai2c_resources), }; -#ifdef CONFIG_PXA27x -static struct resource i2c_power_resources[] = { - { - .start = 0x40f00180, - .end = 0x40f001a3, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_PWRI2C, - .end = IRQ_PWRI2C, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c_power_device = { - .name = "pxa2xx-i2c", - .id = 1, - .resource = i2c_power_resources, - .num_resources = ARRAY_SIZE(i2c_resources), -}; -#endif - void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) { - i2c_device.dev.platform_data = info; + pxai2c_device.dev.platform_data = info; } -static struct resource i2s_resources[] = { +static struct resource pxai2s_resources[] = { { .start = 0x40400000, .end = 0x40400083, @@ -402,16 +382,16 @@ static struct resource i2s_resources[] = { }, }; -static struct platform_device i2s_device = { +struct platform_device pxai2s_device = { .name = "pxa2xx-i2s", .id = -1, - .resource = i2s_resources, - .num_resources = ARRAY_SIZE(i2s_resources), + .resource = pxai2s_resources, + .num_resources = ARRAY_SIZE(pxai2s_resources), }; static u64 pxaficp_dmamask = ~(u32)0; -static struct platform_device pxaficp_device = { +struct platform_device pxaficp_device = { .name = "pxa2xx-ir", .id = -1, .dev = { @@ -425,42 +405,7 @@ void __init pxa_set_ficp_info(struct pxaficp_platform_data *info) pxaficp_device.dev.platform_data = info; } -static struct platform_device pxartc_device = { +struct platform_device pxartc_device = { .name = "sa1100-rtc", .id = -1, }; - -static struct platform_device *devices[] __initdata = { - &pxamci_device, - &udc_device, - &pxafb_device, - &ffuart_device, - &btuart_device, - &stuart_device, - &pxaficp_device, - &i2c_device, -#ifdef CONFIG_PXA27x - &i2c_power_device, -#endif - &i2s_device, - &pxartc_device, -}; - -static int __init pxa_init(void) -{ - int cpuid, ret; - - ret = platform_add_devices(devices, ARRAY_SIZE(devices)); - if (ret) - return ret; - - /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - cpuid = read_cpuid(CPUID_ID); - if (((cpuid >> 4) & 0xfff) == 0x2d0 || - ((cpuid >> 4) & 0xfff) == 0x290) - ret = platform_device_register(&hwuart_device); - - return ret; -} - -subsys_initcall(pxa_init); diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h index e54a8dd63c1..91ab2ad8b34 100644 --- a/arch/arm/mach-pxa/generic.h +++ b/arch/arm/mach-pxa/generic.h @@ -12,8 +12,12 @@ struct sys_timer; extern struct sys_timer pxa_timer; +extern void __init pxa_init_irq_low(void); +extern void __init pxa_init_irq_high(void); +extern void __init pxa_init_irq_gpio(int gpio_nr); +extern void __init pxa25x_init_irq(void); +extern void __init pxa27x_init_irq(void); extern void __init pxa_map_io(void); -extern void __init pxa_init_irq(void); extern unsigned int get_clk_frequency_khz(int info); diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c index 64df44043a6..465108da285 100644 --- a/arch/arm/mach-pxa/idp.c +++ b/arch/arm/mach-pxa/idp.c @@ -38,6 +38,7 @@ #include <asm/arch/mmc.h> #include "generic.h" +#include "devices.h" /* TODO: * - add pxa2xx_audio_ops_t device structure @@ -152,7 +153,7 @@ static void __init idp_init(void) static void __init idp_init_irq(void) { - pxa_init_irq(); + pxa25x_init_irq(); set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE); } diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 4619d5fe606..4b867b0789d 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -30,12 +30,12 @@ static void pxa_mask_low_irq(unsigned int irq) { - ICMR &= ~(1 << (irq + PXA_IRQ_SKIP)); + ICMR &= ~(1 << irq); } static void pxa_unmask_low_irq(unsigned int irq) { - ICMR |= (1 << (irq + PXA_IRQ_SKIP)); + ICMR |= (1 << irq); } static int pxa_set_wake(unsigned int irq, unsigned int on) @@ -67,7 +67,27 @@ static struct irq_chip pxa_internal_chip_low = { .set_wake = pxa_set_wake, }; -#if PXA_INTERNAL_IRQS > 32 +void __init pxa_init_irq_low(void) +{ + int irq; + + /* disable all IRQs */ + ICMR = 0; + + /* all IRQs are IRQ, not FIQ */ + ICLR = 0; + + /* only unmasked interrupts kick us out of idle */ + ICCR = 1; + + for (irq = PXA_IRQ(0); irq <= PXA_IRQ(31); irq++) { + set_irq_chip(irq, &pxa_internal_chip_low); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } +} + +#ifdef CONFIG_PXA27x /* * This is for the second set of internal IRQs as found on the PXA27x. @@ -75,12 +95,12 @@ static struct irq_chip pxa_internal_chip_low = { static void pxa_mask_high_irq(unsigned int irq) { - ICMR2 &= ~(1 << (irq - 32 + PXA_IRQ_SKIP)); + ICMR2 &= ~(1 << (irq - 32)); } static void pxa_unmask_high_irq(unsigned int irq) { - ICMR2 |= (1 << (irq - 32 + PXA_IRQ_SKIP)); + ICMR2 |= (1 << (irq - 32)); } static struct irq_chip pxa_internal_chip_high = { @@ -90,6 +110,19 @@ static struct irq_chip pxa_internal_chip_high = { .unmask = pxa_unmask_high_irq, }; +void __init pxa_init_irq_high(void) +{ + int irq; + + ICMR2 = 0; + ICLR2 = 0; + + for (irq = PXA_IRQ(32); irq < PXA_IRQ(64); irq++) { + set_irq_chip(irq, &pxa_internal_chip_high); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } +} #endif /* Note that if an input/irq line ever gets changed to an output during @@ -217,7 +250,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) do { loop = 0; - mask = GEDR0 & ~3; + mask = GEDR0 & GPIO_IRQ_mask[0] & ~3; if (mask) { GEDR0 = mask; irq = IRQ_GPIO(2); @@ -233,7 +266,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) loop = 1; } - mask = GEDR1; + mask = GEDR1 & GPIO_IRQ_mask[1]; if (mask) { GEDR1 = mask; irq = IRQ_GPIO(32); @@ -248,7 +281,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) loop = 1; } - mask = GEDR2; + mask = GEDR2 & GPIO_IRQ_mask[2]; if (mask) { GEDR2 = mask; irq = IRQ_GPIO(64); @@ -263,8 +296,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) loop = 1; } -#if PXA_LAST_GPIO >= 96 - mask = GEDR3; + mask = GEDR3 & GPIO_IRQ_mask[3]; if (mask) { GEDR3 = mask; irq = IRQ_GPIO(96); @@ -278,7 +310,6 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) } while (mask); loop = 1; } -#endif } while (loop); } @@ -314,64 +345,27 @@ static struct irq_chip pxa_muxed_gpio_chip = { .set_wake = pxa_set_gpio_wake, }; - -void __init pxa_init_irq(void) +void __init pxa_init_irq_gpio(int gpio_nr) { - int irq; - - /* disable all IRQs */ - ICMR = 0; - - /* all IRQs are IRQ, not FIQ */ - ICLR = 0; + int irq, i; /* clear all GPIO edge detects */ - GFER0 = 0; - GFER1 = 0; - GFER2 = 0; - GRER0 = 0; - GRER1 = 0; - GRER2 = 0; - GEDR0 = GEDR0; - GEDR1 = GEDR1; - GEDR2 = GEDR2; - -#ifdef CONFIG_PXA27x - /* And similarly for the extra regs on the PXA27x */ - ICMR2 = 0; - ICLR2 = 0; - GFER3 = 0; - GRER3 = 0; - GEDR3 = GEDR3; -#endif - - /* only unmasked interrupts kick us out of idle */ - ICCR = 1; + for (i = 0; i < gpio_nr; i += 32) { + GFER(i) = 0; + GRER(i) = 0; + GEDR(i) = GEDR(i); + } /* GPIO 0 and 1 must have their mask bit always set */ GPIO_IRQ_mask[0] = 3; - for (irq = PXA_IRQ(PXA_IRQ_SKIP); irq <= PXA_IRQ(31); irq++) { - set_irq_chip(irq, &pxa_internal_chip_low); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } - -#if PXA_INTERNAL_IRQS > 32 - for (irq = PXA_IRQ(32); irq < PXA_IRQ(PXA_INTERNAL_IRQS); irq++) { - set_irq_chip(irq, &pxa_internal_chip_high); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); - } -#endif - for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) { set_irq_chip(irq, &pxa_low_gpio_chip); set_irq_handler(irq, handle_edge_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } - for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(PXA_LAST_GPIO); irq++) { + for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(gpio_nr); irq++) { set_irq_chip(irq, &pxa_muxed_gpio_chip); set_irq_handler(irq, handle_edge_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index e3097664ffe..26116440a7c 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -46,6 +46,7 @@ #include <asm/arch/ohci.h> #include "generic.h" +#include "devices.h" static unsigned int lpd270_irq_enabled; @@ -97,7 +98,7 @@ static void __init lpd270_init_irq(void) { int irq; - pxa_init_irq(); + pxa27x_init_irq(); __raw_writew(0, LPD270_INT_MASK); __raw_writew(0, LPD270_INT_STATUS); diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6377b2e29ff..e70048fd00a 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -48,6 +48,7 @@ #include <asm/arch/mmc.h> #include "generic.h" +#include "devices.h" #define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080) @@ -103,7 +104,7 @@ static void __init lubbock_init_irq(void) { int irq; - pxa_init_irq(); + pxa25x_init_irq(); /* setup extra lubbock irqs */ for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) { diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index ed99a81b98f..b02c79c7e6a 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -46,6 +46,7 @@ #include <asm/arch/ohci.h> #include "generic.h" +#include "devices.h" static unsigned long mainstone_irq_enabled; @@ -89,7 +90,7 @@ static void __init mainstone_init_irq(void) { int irq; - pxa_init_irq(); + pxa27x_init_irq(); /* setup extra Mainstone irqs */ for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) { diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 6bf15ae7384..e66dbc26add 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -77,7 +77,6 @@ int pxa_pm_enter(suspend_state_t state) { unsigned long sleep_save[SLEEP_SAVE_SIZE]; unsigned long checksum = 0; - struct timespec delta, rtc; int i; extern void pxa_cpu_pm_enter(suspend_state_t state); @@ -87,11 +86,6 @@ int pxa_pm_enter(suspend_state_t state) iwmmxt_task_disable(NULL); #endif - /* preserve current time */ - rtc.tv_sec = RCNR; - rtc.tv_nsec = 0; - save_time_delta(&delta, &rtc); - SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2); SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2); SAVE(GRER0); SAVE(GRER1); SAVE(GRER2); @@ -183,10 +177,6 @@ int pxa_pm_enter(suspend_state_t state) RESTORE(PSTR); - /* restore current time */ - rtc.tv_sec = RCNR; - restore_time_delta(&delta, &rtc); - #ifdef DEBUG printk(KERN_DEBUG "*** made it back from resume\n"); #endif @@ -200,40 +190,3 @@ unsigned long sleep_phys_sp(void *sp) { return virt_to_phys(sp); } - -/* - * Called after processes are frozen, but before we shut down devices. - */ -int pxa_pm_prepare(suspend_state_t state) -{ - extern int pxa_cpu_pm_prepare(suspend_state_t state); - - return pxa_cpu_pm_prepare(state); -} - -EXPORT_SYMBOL_GPL(pxa_pm_prepare); - -/* - * Called after devices are re-setup, but before processes are thawed. - */ -int pxa_pm_finish(suspend_state_t state) -{ - return 0; -} - -EXPORT_SYMBOL_GPL(pxa_pm_finish); - -static struct pm_ops pxa_pm_ops = { - .prepare = pxa_pm_prepare, - .enter = pxa_pm_enter, - .finish = pxa_pm_finish, - .valid = pm_valid_only_mem, -}; - -static int __init pxa_pm_init(void) -{ - pm_set_ops(&pxa_pm_ops); - return 0; -} - -device_initcall(pxa_pm_init); diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 34fb80b3702..655668d4d0e 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -45,6 +45,7 @@ #include <asm/mach/sharpsl_param.h> #include "generic.h" +#include "devices.h" #include "sharpsl.h" static struct resource poodle_scoop_resources[] = { @@ -412,7 +413,7 @@ MACHINE_START(POODLE, "SHARP Poodle") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_poodle, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa25x_init_irq, .timer = &pxa_timer, .init_machine = poodle_init, MACHINE_END diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index c1f21739bf7..f36ca448338 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -19,12 +19,17 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/platform_device.h> #include <linux/pm.h> #include <asm/hardware.h> +#include <asm/arch/irqs.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pm.h> +#include <asm/arch/dma.h> #include "generic.h" +#include "devices.h" /* * Various clock factors driven by the CCCR register. @@ -105,18 +110,6 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz); #ifdef CONFIG_PM -int pxa_cpu_pm_prepare(suspend_state_t state) -{ - switch (state) { - case PM_SUSPEND_MEM: - break; - default: - return -EINVAL; - } - - return 0; -} - void pxa_cpu_pm_enter(suspend_state_t state) { extern void pxa_cpu_suspend(unsigned int); @@ -133,4 +126,49 @@ void pxa_cpu_pm_enter(suspend_state_t state) } } +static struct pm_ops pxa25x_pm_ops = { + .enter = pxa_pm_enter, + .valid = pm_valid_only_mem, +}; +#endif + +void __init pxa25x_init_irq(void) +{ + pxa_init_irq_low(); + pxa_init_irq_gpio(85); +} + +static struct platform_device *pxa25x_devices[] __initdata = { + &pxamci_device, + &pxaudc_device, + &pxafb_device, + &ffuart_device, + &btuart_device, + &stuart_device, + &pxai2c_device, + &pxai2s_device, + &pxaficp_device, + &pxartc_device, +}; + +static int __init pxa25x_init(void) +{ + int ret = 0; + + if (cpu_is_pxa21x() || cpu_is_pxa25x()) { + if ((ret = pxa_init_dma(16))) + return ret; +#ifdef CONFIG_PM + pm_set_ops(&pxa25x_pm_ops); #endif + ret = platform_add_devices(pxa25x_devices, + ARRAY_SIZE(pxa25x_devices)); + } + /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ + if (cpu_is_pxa25x()) + ret = platform_device_register(&hwuart_device); + + return ret; +} + +subsys_initcall(pxa25x_init); diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index c64bab49efc..aa5bb02c897 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -19,10 +19,14 @@ #include <asm/hardware.h> #include <asm/irq.h> +#include <asm/arch/irqs.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/ohci.h> +#include <asm/arch/pm.h> +#include <asm/arch/dma.h> #include "generic.h" +#include "devices.h" /* Crystal clock: 13MHz */ #define BASE_CLK 13000000 @@ -122,17 +126,6 @@ EXPORT_SYMBOL(get_lcdclk_frequency_10khz); #ifdef CONFIG_PM -int pxa_cpu_pm_prepare(suspend_state_t state) -{ - switch (state) { - case PM_SUSPEND_MEM: - case PM_SUSPEND_STANDBY: - return 0; - default: - return -EINVAL; - } -} - void pxa_cpu_pm_enter(suspend_state_t state) { extern void pxa_cpu_standby(void); @@ -140,9 +133,9 @@ void pxa_cpu_pm_enter(suspend_state_t state) extern void pxa_cpu_resume(void); if (state == PM_SUSPEND_STANDBY) - CKEN = CKEN_MEMC | CKEN_OSTIMER | CKEN_LCD | CKEN_PWM0; + CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER) | (1 << CKEN_LCD) | (1 << CKEN_PWM0); else - CKEN = CKEN_MEMC | CKEN_OSTIMER; + CKEN = (1 << CKEN_MEMC) | (1 << CKEN_OSTIMER); /* ensure voltage-change sequencer not initiated, which hangs */ PCFR &= ~PCFR_FVC; @@ -162,6 +155,15 @@ void pxa_cpu_pm_enter(suspend_state_t state) } } +static int pxa27x_pm_valid(suspend_state_t state) +{ + return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; +} + +static struct pm_ops pxa27x_pm_ops = { + .enter = pxa_pm_enter, + .valid = pxa27x_pm_valid, +}; #endif /* @@ -183,7 +185,7 @@ static struct resource pxa27x_ohci_resources[] = { }, }; -static struct platform_device ohci_device = { +static struct platform_device pxaohci_device = { .name = "pxa27x-ohci", .id = -1, .dev = { @@ -196,16 +198,62 @@ static struct platform_device ohci_device = { void __init pxa_set_ohci_info(struct pxaohci_platform_data *info) { - ohci_device.dev.platform_data = info; + pxaohci_device.dev.platform_data = info; } +static struct resource i2c_power_resources[] = { + { + .start = 0x40f00180, + .end = 0x40f001a3, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PWRI2C, + .end = IRQ_PWRI2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device pxai2c_power_device = { + .name = "pxa2xx-i2c", + .id = 1, + .resource = i2c_power_resources, + .num_resources = ARRAY_SIZE(i2c_power_resources), +}; + static struct platform_device *devices[] __initdata = { - &ohci_device, + &pxamci_device, + &pxaudc_device, + &pxafb_device, + &ffuart_device, + &btuart_device, + &stuart_device, + &pxai2c_device, + &pxai2c_power_device, + &pxai2s_device, + &pxaficp_device, + &pxartc_device, + &pxaohci_device, }; +void __init pxa27x_init_irq(void) +{ + pxa_init_irq_low(); + pxa_init_irq_high(); + pxa_init_irq_gpio(128); +} + static int __init pxa27x_init(void) { - return platform_add_devices(devices, ARRAY_SIZE(devices)); + int ret = 0; + if (cpu_is_pxa27x()) { + if ((ret = pxa_init_dma(32))) + return ret; +#ifdef CONFIG_PM + pm_set_ops(&pxa27x_pm_ops); +#endif + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); + } + return ret; } subsys_initcall(pxa27x_init); diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 3cbac63bed3..bae47e145de 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -48,6 +48,7 @@ #include <asm/hardware/scoop.h> #include "generic.h" +#include "devices.h" #include "sharpsl.h" /* @@ -560,7 +561,7 @@ MACHINE_START(SPITZ, "SHARP Spitz") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa27x_init_irq, .init_machine = spitz_init, .timer = &pxa_timer, MACHINE_END @@ -572,7 +573,7 @@ MACHINE_START(BORZOI, "SHARP Borzoi") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa27x_init_irq, .init_machine = spitz_init, .timer = &pxa_timer, MACHINE_END @@ -584,7 +585,7 @@ MACHINE_START(AKITA, "SHARP Akita") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_spitz, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa27x_init_irq, .init_machine = akita_init, .timer = &pxa_timer, MACHINE_END diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 5248abe334d..6f91fd2d061 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -30,11 +30,6 @@ #include <asm/arch/pxa-regs.h> -static inline unsigned long pxa_get_rtc_time(void) -{ - return RCNR; -} - static int pxa_set_rtc(void) { unsigned long current_time = xtime.tv_sec; @@ -122,10 +117,6 @@ static void __init pxa_timer_init(void) set_rtc = pxa_set_rtc; - tv.tv_nsec = 0; - tv.tv_sec = pxa_get_rtc_time(); - do_settimeofday(&tv); - OIER = 0; /* disable any timer interrupts */ OSSR = 0xf; /* clear status on all timers */ setup_irq(IRQ_OST0, &pxa_timer_irq); diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 72738771fb5..240fd042083 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -42,7 +42,7 @@ #include <asm/mach/sharpsl_param.h> #include "generic.h" - +#include "devices.h" /* * SCOOP Device @@ -332,7 +332,7 @@ MACHINE_START(TOSA, "SHARP Tosa") .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .fixup = fixup_tosa, .map_io = pxa_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa25x_init_irq, .init_machine = tosa_init, .timer = &pxa_timer, MACHINE_END diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 28c79bd0a3a..e4ba43bdf85 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -49,6 +49,7 @@ #include <asm/arch/ohci.h> #include "generic.h" +#include "devices.h" /******************************************************************************************** * ONBOARD FLASH @@ -503,7 +504,7 @@ MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, .init_machine = trizeps4_init, .map_io = trizeps4_map_io, - .init_irq = pxa_init_irq, + .init_irq = pxa27x_init_irq, .timer = &pxa_timer, MACHINE_END |