diff options
Diffstat (limited to 'arch/arm/mach-omap1')
| -rw-r--r-- | arch/arm/mach-omap1/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/ams-delta-fiq.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/board-ams-delta.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/fpga.c | 28 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/irq.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/pm.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/time.c | 101 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/timer32k.c | 13 |
9 files changed, 162 insertions, 56 deletions
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 8d2f2daba0c0..e0a028161dde 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -9,6 +9,7 @@ config ARCH_OMAP730 depends on ARCH_OMAP1 bool "OMAP730 Based System" select CPU_ARM926T + select OMAP_MPU_TIMER select ARCH_OMAP_OTG config ARCH_OMAP850 @@ -22,6 +23,7 @@ config ARCH_OMAP15XX default y bool "OMAP15xx Based System" select CPU_ARM925T + select OMAP_MPU_TIMER config ARCH_OMAP16XX depends on ARCH_OMAP1 diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index 6ee19504845f..ba6009f27677 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -3,12 +3,11 @@ # # Common support -obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o +obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o obj-y += clock.o clock_data.o opp_data.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o -obj-$(CONFIG_OMAP_MPU_TIMER) += time.o obj-$(CONFIG_OMAP_32K_TIMER) += timer32k.o # Power Management diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c index 6c994e2d8879..152b32c15e28 100644 --- a/arch/arm/mach-omap1/ams-delta-fiq.c +++ b/arch/arm/mach-omap1/ams-delta-fiq.c @@ -49,7 +49,7 @@ static irqreturn_t deferred_fiq(int irq, void *dev_id) irq_desc = irq_to_desc(IH_GPIO_BASE); if (irq_desc) - irq_chip = irq_desc->chip; + irq_chip = irq_desc->irq_data.chip; /* * For each handled GPIO interrupt, keep calling its interrupt handler @@ -62,13 +62,15 @@ static irqreturn_t deferred_fiq(int irq, void *dev_id) while (irq_counter[gpio] < fiq_count) { if (gpio != AMS_DELTA_GPIO_PIN_KEYBRD_CLK) { + struct irq_data *d = irq_get_irq_data(irq_num); + /* * It looks like handle_edge_irq() that * OMAP GPIO edge interrupts default to, * expects interrupt already unmasked. */ - if (irq_chip && irq_chip->unmask) - irq_chip->unmask(irq_num); + if (irq_chip && irq_chip->irq_unmask) + irq_chip->irq_unmask(d); } generic_handle_irq(irq_num); diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index bd0495a9ac3b..22cc8c8df6cb 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -179,6 +179,22 @@ static struct omap_board_config_kernel ams_delta_config[] = { { OMAP_TAG_LCD, &ams_delta_lcd_config }, }; +static struct resource ams_delta_nand_resources[] = { + [0] = { + .start = OMAP1_MPUIO_BASE, + .end = OMAP1_MPUIO_BASE + + OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ams_delta_nand_device = { + .name = "ams-delta-nand", + .id = -1, + .num_resources = ARRAY_SIZE(ams_delta_nand_resources), + .resource = ams_delta_nand_resources, +}; + static struct resource ams_delta_kp_resources[] = { [0] = { .start = INT_KEYBOARD, @@ -265,6 +281,7 @@ static struct omap1_cam_platform_data ams_delta_camera_platform_data = { }; static struct platform_device *ams_delta_devices[] __initdata = { + &ams_delta_nand_device, &ams_delta_kp_device, &ams_delta_lcd_device, &ams_delta_led_device, diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c index 8780e75cdc3d..0ace7998aaa5 100644 --- a/arch/arm/mach-omap1/fpga.c +++ b/arch/arm/mach-omap1/fpga.c @@ -30,9 +30,9 @@ #include <plat/fpga.h> #include <mach/gpio.h> -static void fpga_mask_irq(unsigned int irq) +static void fpga_mask_irq(struct irq_data *d) { - irq -= OMAP_FPGA_IRQ_BASE; + unsigned int irq = d->irq - OMAP_FPGA_IRQ_BASE; if (irq < 8) __raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO) @@ -58,14 +58,14 @@ static inline u32 get_fpga_unmasked_irqs(void) } -static void fpga_ack_irq(unsigned int irq) +static void fpga_ack_irq(struct irq_data *d) { /* Don't need to explicitly ACK FPGA interrupts */ } -static void fpga_unmask_irq(unsigned int irq) +static void fpga_unmask_irq(struct irq_data *d) { - irq -= OMAP_FPGA_IRQ_BASE; + unsigned int irq = d->irq - OMAP_FPGA_IRQ_BASE; if (irq < 8) __raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO) | (1 << irq)), @@ -78,10 +78,10 @@ static void fpga_unmask_irq(unsigned int irq) | (1 << (irq - 16))), INNOVATOR_FPGA_IMR2); } -static void fpga_mask_ack_irq(unsigned int irq) +static void fpga_mask_ack_irq(struct irq_data *d) { - fpga_mask_irq(irq); - fpga_ack_irq(irq); + fpga_mask_irq(d); + fpga_ack_irq(d); } void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc) @@ -105,17 +105,17 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc) static struct irq_chip omap_fpga_irq_ack = { .name = "FPGA-ack", - .ack = fpga_mask_ack_irq, - .mask = fpga_mask_irq, - .unmask = fpga_unmask_irq, + .irq_ack = fpga_mask_ack_irq, + .irq_mask = fpga_mask_irq, + .irq_unmask = fpga_unmask_irq, }; static struct irq_chip omap_fpga_irq = { .name = "FPGA", - .ack = fpga_ack_irq, - .mask = fpga_mask_irq, - .unmask = fpga_unmask_irq, + .irq_ack = fpga_ack_irq, + .irq_mask = fpga_mask_irq, + .irq_unmask = fpga_unmask_irq, }; /* diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c index 6bddbc869f4c..47701584df35 100644 --- a/arch/arm/mach-omap1/irq.c +++ b/arch/arm/mach-omap1/irq.c @@ -70,48 +70,48 @@ static inline void irq_bank_writel(unsigned long value, int bank, int offset) omap_writel(value, irq_banks[bank].base_reg + offset); } -static void omap_ack_irq(unsigned int irq) +static void omap_ack_irq(struct irq_data *d) { - if (irq > 31) + if (d->irq > 31) omap_writel(0x1, OMAP_IH2_BASE + IRQ_CONTROL_REG_OFFSET); omap_writel(0x1, OMAP_IH1_BASE + IRQ_CONTROL_REG_OFFSET); } -static void omap_mask_irq(unsigned int irq) +static void omap_mask_irq(struct irq_data *d) { - int bank = IRQ_BANK(irq); + int bank = IRQ_BANK(d->irq); u32 l; l = omap_readl(irq_banks[bank].base_reg + IRQ_MIR_REG_OFFSET); - l |= 1 << IRQ_BIT(irq); + l |= 1 << IRQ_BIT(d->irq); omap_writel(l, irq_banks[bank].base_reg + IRQ_MIR_REG_OFFSET); } -static void omap_unmask_irq(unsigned int irq) +static void omap_unmask_irq(struct irq_data *d) { - int bank = IRQ_BANK(irq); + int bank = IRQ_BANK(d->irq); u32 l; l = omap_readl(irq_banks[bank].base_reg + IRQ_MIR_REG_OFFSET); - l &= ~(1 << IRQ_BIT(irq)); + l &= ~(1 << IRQ_BIT(d->irq)); omap_writel(l, irq_banks[bank].base_reg + IRQ_MIR_REG_OFFSET); } -static void omap_mask_ack_irq(unsigned int irq) +static void omap_mask_ack_irq(struct irq_data *d) { - omap_mask_irq(irq); - omap_ack_irq(irq); + omap_mask_irq(d); + omap_ack_irq(d); } -static int omap_wake_irq(unsigned int irq, unsigned int enable) +static int omap_wake_irq(struct irq_data *d, unsigned int enable) { - int bank = IRQ_BANK(irq); + int bank = IRQ_BANK(d->irq); if (enable) - irq_banks[bank].wake_enable |= IRQ_BIT(irq); + irq_banks[bank].wake_enable |= IRQ_BIT(d->irq); else - irq_banks[bank].wake_enable &= ~IRQ_BIT(irq); + irq_banks[bank].wake_enable &= ~IRQ_BIT(d->irq); return 0; } @@ -168,10 +168,10 @@ static struct omap_irq_bank omap1610_irq_banks[] = { static struct irq_chip omap_irq_chip = { .name = "MPU", - .ack = omap_mask_ack_irq, - .mask = omap_mask_irq, - .unmask = omap_unmask_irq, - .set_wake = omap_wake_irq, + .irq_ack = omap_mask_ack_irq, + .irq_mask = omap_mask_irq, + .irq_unmask = omap_unmask_irq, + .irq_set_wake = omap_wake_irq, }; void __init omap_init_irq(void) @@ -239,9 +239,9 @@ void __init omap_init_irq(void) /* Unmask level 2 handler */ if (cpu_is_omap7xx()) - omap_unmask_irq(INT_7XX_IH2_IRQ); + omap_unmask_irq(irq_get_irq_data(INT_7XX_IH2_IRQ)); else if (cpu_is_omap15xx()) - omap_unmask_irq(INT_1510_IH2_IRQ); + omap_unmask_irq(irq_get_irq_data(INT_1510_IH2_IRQ)); else if (cpu_is_omap16xx()) - omap_unmask_irq(INT_1610_IH2_IRQ); + omap_unmask_irq(irq_get_irq_data(INT_1610_IH2_IRQ)); } diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c index 0cca23a85175..98ba9784aa15 100644 --- a/arch/arm/mach-omap1/pm.c +++ b/arch/arm/mach-omap1/pm.c @@ -647,7 +647,7 @@ static struct irqaction omap_wakeup_irq = { -static struct platform_suspend_ops omap_pm_ops ={ +static const struct platform_suspend_ops omap_pm_ops = { .prepare = omap_pm_prepare, .enter = omap_pm_enter, .finish = omap_pm_finish, diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index ed7a61ff916a..f83fc335c613 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -44,16 +44,21 @@ #include <linux/clocksource.h> #include <linux/clockchips.h> #include <linux/io.h> +#include <linux/sched.h> #include <asm/system.h> #include <mach/hardware.h> #include <asm/leds.h> #include <asm/irq.h> +#include <asm/sched_clock.h> + #include <asm/mach/irq.h> #include <asm/mach/time.h> #include <plat/common.h> +#ifdef CONFIG_OMAP_MPU_TIMER + #define OMAP_MPU_TIMER_BASE OMAP_MPU_TIMER1_BASE #define OMAP_MPU_TIMER_OFFSET 0x100 @@ -67,7 +72,7 @@ typedef struct { ((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \ (n)*OMAP_MPU_TIMER_OFFSET)) -static inline unsigned long omap_mpu_timer_read(int nr) +static inline unsigned long notrace omap_mpu_timer_read(int nr) { volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr); return timer->read_tim; @@ -212,6 +217,32 @@ static struct clocksource clocksource_mpu = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static DEFINE_CLOCK_DATA(cd); + +static inline unsigned long long notrace _omap_mpu_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + return cyc_to_sched_clock(&cd, cyc, (u32)~0); +} + +#ifndef CONFIG_OMAP_32K_TIMER +unsigned long long notrace sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#else +static unsigned long long notrace omap_mpu_sched_clock(void) +{ + return _omap_mpu_sched_clock(); +} +#endif + +static void notrace mpu_update_sched_clock(void) +{ + u32 cyc = mpu_read(&clocksource_mpu); + update_sched_clock(&cd, cyc, (u32)~0); +} + static void __init omap_init_clocksource(unsigned long rate) { static char err[] __initdata = KERN_ERR @@ -219,17 +250,13 @@ static void __init omap_init_clocksource(unsigned long rate) setup_irq(INT_TIMER2, &omap_mpu_timer2_irq); omap_mpu_timer_start(1, ~0, 1); + init_sched_clock(&cd, mpu_update_sched_clock, 32, rate); if (clocksource_register_hz(&clocksource_mpu, rate)) printk(err, clocksource_mpu.name); } -/* - * --------------------------------------------------------------------------- - * Timer initialization - * --------------------------------------------------------------------------- - */ -static void __init omap_timer_init(void) +static void __init omap_mpu_timer_init(void) { struct clk *ck_ref = clk_get(NULL, "ck_ref"); unsigned long rate; @@ -246,6 +273,66 @@ static void __init omap_timer_init(void) omap_init_clocksource(rate); } +#else +static inline void omap_mpu_timer_init(void) +{ + pr_err("Bogus timer, should not happen\n"); +} +#endif /* CONFIG_OMAP_MPU_TIMER */ + +#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER) +static unsigned long long (*preferred_sched_clock)(void); + +unsigned long long notrace sched_clock(void) +{ + if (!preferred_sched_clock) + return 0; + + return preferred_sched_clock(); +} + +static inline void preferred_sched_clock_init(bool use_32k_sched_clock) +{ + if (use_32k_sched_clock) + preferred_sched_clock = omap_32k_sched_clock; + else + preferred_sched_clock = omap_mpu_sched_clock; +} +#else +static inline void preferred_sched_clock_init(bool use_32k_sched_clcok) +{ +} +#endif + +static inline int omap_32k_timer_usable(void) +{ + int res = false; + + if (cpu_is_omap730() || cpu_is_omap15xx()) + return res; + +#ifdef CONFIG_OMAP_32K_TIMER + res = omap_32k_timer_init(); +#endif + + return res; +} + +/* + * --------------------------------------------------------------------------- + * Timer initialization + * --------------------------------------------------------------------------- + */ +static void __init omap_timer_init(void) +{ + if (omap_32k_timer_usable()) { + preferred_sched_clock_init(1); + } else { + omap_mpu_timer_init(); + preferred_sched_clock_init(0); + } +} + struct sys_timer omap_timer = { .init = omap_timer_init, }; diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 20cfbcc6c60c..13d7b8f145bd 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -52,10 +52,9 @@ #include <asm/irq.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> +#include <plat/common.h> #include <plat/dmtimer.h> -struct sys_timer omap_timer; - /* * --------------------------------------------------------------------------- * 32KHz OS timer @@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void) * Timer initialization * --------------------------------------------------------------------------- */ -static void __init omap_timer_init(void) +bool __init omap_32k_timer_init(void) { + omap_init_clocksource_32k(); + #ifdef CONFIG_OMAP_DM_TIMER omap_dm_timer_init(); #endif omap_init_32k_timer(); -} -struct sys_timer omap_timer = { - .init = omap_timer_init, -}; + return true; +} |