diff options
37 files changed, 209 insertions, 791 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 32cbbd56590..314bdf1163f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -650,6 +650,7 @@ config ARCH_SHMOBILE_LEGACY select ARCH_SHMOBILE select ARM_PATCH_PHYS_VIRT if MMU select CLKDEV_LOOKUP + select CPU_V7 select GENERIC_CLOCKEVENTS select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP @@ -660,6 +661,7 @@ config ARCH_SHMOBILE_LEGACY select NO_IOPORT_MAP select PINCTRL select PM_GENERIC_DOMAINS if PM + select SH_CLK_CPG select SPARSE_IRQ help Support for Renesas ARM SoC platforms using a non-multiplatform diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 6cc6f7aebda..dd28e1fedbd 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -28,6 +28,11 @@ config OLD_CLK_AT91 bool default AT91_PMC_UNIT && AT91_USE_OLD_CLK +config OLD_IRQ_AT91 + bool + select MULTI_IRQ_HANDLER + select SPARSE_IRQ + config AT91_SAM9_ALT_RESET bool default !ARCH_AT91X40 @@ -45,18 +50,16 @@ config HAVE_AT91_SMD config SOC_AT91SAM9 bool select AT91_SAM9_TIME + select ATMEL_AIC_IRQ if !OLD_IRQ_AT91 select CPU_ARM926T select GENERIC_CLOCKEVENTS - select MULTI_IRQ_HANDLER - select SPARSE_IRQ config SOC_SAMA5 bool select AT91_SAM9_TIME + select ATMEL_AIC5_IRQ select CPU_V7 select GENERIC_CLOCKEVENTS - select MULTI_IRQ_HANDLER - select SPARSE_IRQ select USE_OF menu "Atmel AT91 System-on-Chip" @@ -70,8 +73,7 @@ config ARCH_AT91X40 depends on !MMU select CPU_ARM7TDMI select ARCH_USES_GETTIMEOFFSET - select MULTI_IRQ_HANDLER - select SPARSE_IRQ + select OLD_IRQ_AT91 help Select this if you are using one of Atmel's AT91X40 SoC. @@ -108,11 +110,10 @@ endif if SOC_SAM_V4_V5 config SOC_AT91RM9200 bool "AT91RM9200" + select ATMEL_AIC_IRQ if !OLD_IRQ_AT91 select CPU_ARM920T select GENERIC_CLOCKEVENTS select HAVE_AT91_DBGU0 - select MULTI_IRQ_HANDLER - select SPARSE_IRQ select HAVE_AT91_USB_CLK config SOC_AT91SAM9260 diff --git a/arch/arm/mach-at91/Kconfig.non_dt b/arch/arm/mach-at91/Kconfig.non_dt index 44ace320d2e..b774c3d3c63 100644 --- a/arch/arm/mach-at91/Kconfig.non_dt +++ b/arch/arm/mach-at91/Kconfig.non_dt @@ -14,31 +14,37 @@ config ARCH_AT91RM9200 bool "AT91RM9200" select SOC_AT91RM9200 select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 config ARCH_AT91SAM9260 bool "AT91SAM9260 or AT91SAM9XE or AT91SAM9G20" select SOC_AT91SAM9260 select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 config ARCH_AT91SAM9261 bool "AT91SAM9261 or AT91SAM9G10" select SOC_AT91SAM9261 select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 config ARCH_AT91SAM9263 bool "AT91SAM9263" select SOC_AT91SAM9263 select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 config ARCH_AT91SAM9RL bool "AT91SAM9RL" select SOC_AT91SAM9RL select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 config ARCH_AT91SAM9G45 bool "AT91SAM9G45" select SOC_AT91SAM9G45 select AT91_USE_OLD_CLK + select OLD_IRQ_AT91 endchoice diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 78e9cec282f..d972fd67de8 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,11 +2,12 @@ # Makefile for the linux kernel. # -obj-y := irq.o gpio.o setup.o sysirq_mask.o +obj-y := gpio.o setup.o sysirq_mask.o obj-m := obj-n := obj- := +obj-$(CONFIG_OLD_IRQ_AT91) += irq.o obj-$(CONFIG_OLD_CLK_AT91) += clock.o obj-$(CONFIG_AT91_SAM9_ALT_RESET) += at91sam9_alt_reset.o obj-$(CONFIG_AT91_SAM9G45_RESET) += at91sam9g45_reset.o diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c index 3a185faee79..61ea2144566 100644 --- a/arch/arm/mach-at91/board-dt-rm9200.c +++ b/arch/arm/mach-at91/board-dt-rm9200.c @@ -24,17 +24,6 @@ #include "at91_aic.h" #include "generic.h" - -static const struct of_device_id irq_of_match[] __initconst = { - { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init }, - { /*sentinel*/ } -}; - -static void __init at91rm9200_dt_init_irq(void) -{ - of_irq_init(irq_of_match); -} - static const char *at91rm9200_dt_board_compat[] __initdata = { "atmel,at91rm9200", NULL @@ -43,8 +32,6 @@ static const char *at91rm9200_dt_board_compat[] __initdata = { DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") .init_time = at91rm9200_timer_init, .map_io = at91_map_io, - .handle_irq = at91_aic_handle_irq, .init_early = at91rm9200_dt_initialize, - .init_irq = at91rm9200_dt_init_irq, .dt_compat = at91rm9200_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/board-dt-sam9.c b/arch/arm/mach-at91/board-dt-sam9.c index 575b0be66ca..dfa8d48146f 100644 --- a/arch/arm/mach-at91/board-dt-sam9.c +++ b/arch/arm/mach-at91/board-dt-sam9.c @@ -34,17 +34,6 @@ static void __init sam9_dt_timer_init(void) at91sam926x_pit_init(); } -static const struct of_device_id irq_of_match[] __initconst = { - - { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init }, - { /*sentinel*/ } -}; - -static void __init at91_dt_init_irq(void) -{ - of_irq_init(irq_of_match); -} - static const char *at91_dt_board_compat[] __initdata = { "atmel,at91sam9", NULL @@ -54,8 +43,6 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") /* Maintainer: Atmel */ .init_time = sam9_dt_timer_init, .map_io = at91_map_io, - .handle_irq = at91_aic_handle_irq, .init_early = at91_dt_initialize, - .init_irq = at91_dt_init_irq, .dt_compat = at91_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c index 075ec0576ad..d6fe04bcaab 100644 --- a/arch/arm/mach-at91/board-dt-sama5.c +++ b/arch/arm/mach-at91/board-dt-sama5.c @@ -35,17 +35,6 @@ static void __init sama5_dt_timer_init(void) at91sam926x_pit_init(); } -static const struct of_device_id irq_of_match[] __initconst = { - - { .compatible = "atmel,sama5d3-aic", .data = at91_aic5_of_init }, - { /*sentinel*/ } -}; - -static void __init at91_dt_init_irq(void) -{ - of_irq_init(irq_of_match); -} - static int ksz9021rn_phy_fixup(struct phy_device *phy) { int value; @@ -82,9 +71,7 @@ DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)") /* Maintainer: Atmel */ .init_time = sama5_dt_timer_init, .map_io = at91_map_io, - .handle_irq = at91_aic5_handle_irq, .init_early = at91_dt_initialize, - .init_irq = at91_dt_init_irq, .init_machine = sama5_dt_device_init, .dt_compat = sama5_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/irq.c b/arch/arm/mach-at91/irq.c index 3d192c5aee6..cdb3ec9efd2 100644 --- a/arch/arm/mach-at91/irq.c +++ b/arch/arm/mach-at91/irq.c @@ -48,11 +48,6 @@ void __iomem *at91_aic_base; static struct irq_domain *at91_aic_domain; static struct device_node *at91_aic_np; static unsigned int n_irqs = NR_AIC_IRQS; -static unsigned long at91_aic_caps = 0; - -/* AIC5 introduces a Source Select Register */ -#define AT91_AIC_CAP_AIC5 (1 << 0) -#define has_aic5() (at91_aic_caps & AT91_AIC_CAP_AIC5) #ifdef CONFIG_PM @@ -92,50 +87,14 @@ static int at91_aic_set_wake(struct irq_data *d, unsigned value) void at91_irq_suspend(void) { - int bit = -1; - - if (has_aic5()) { - /* disable enabled irqs */ - while ((bit = find_next_bit(backups, n_irqs, bit + 1)) < n_irqs) { - at91_aic_write(AT91_AIC5_SSR, - bit & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IDCR, 1); - } - /* enable wakeup irqs */ - bit = -1; - while ((bit = find_next_bit(wakeups, n_irqs, bit + 1)) < n_irqs) { - at91_aic_write(AT91_AIC5_SSR, - bit & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IECR, 1); - } - } else { - at91_aic_write(AT91_AIC_IDCR, *backups); - at91_aic_write(AT91_AIC_IECR, *wakeups); - } + at91_aic_write(AT91_AIC_IDCR, *backups); + at91_aic_write(AT91_AIC_IECR, *wakeups); } void at91_irq_resume(void) { - int bit = -1; - - if (has_aic5()) { - /* disable wakeup irqs */ - while ((bit = find_next_bit(wakeups, n_irqs, bit + 1)) < n_irqs) { - at91_aic_write(AT91_AIC5_SSR, - bit & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IDCR, 1); - } - /* enable irqs disabled for suspend */ - bit = -1; - while ((bit = find_next_bit(backups, n_irqs, bit + 1)) < n_irqs) { - at91_aic_write(AT91_AIC5_SSR, - bit & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IECR, 1); - } - } else { - at91_aic_write(AT91_AIC_IDCR, *wakeups); - at91_aic_write(AT91_AIC_IECR, *backups); - } + at91_aic_write(AT91_AIC_IDCR, *wakeups); + at91_aic_write(AT91_AIC_IECR, *backups); } #else @@ -169,21 +128,6 @@ at91_aic_handle_irq(struct pt_regs *regs) handle_IRQ(irqnr, regs); } -asmlinkage void __exception_irq_entry -at91_aic5_handle_irq(struct pt_regs *regs) -{ - u32 irqnr; - u32 irqstat; - - irqnr = at91_aic_read(AT91_AIC5_IVR); - irqstat = at91_aic_read(AT91_AIC5_ISR); - - if (!irqstat) - at91_aic_write(AT91_AIC5_EOICR, 0); - else - handle_IRQ(irqnr, regs); -} - static void at91_aic_mask_irq(struct irq_data *d) { /* Disable interrupt on AIC */ @@ -192,15 +136,6 @@ static void at91_aic_mask_irq(struct irq_data *d) clear_backup(d->hwirq); } -static void __maybe_unused at91_aic5_mask_irq(struct irq_data *d) -{ - /* Disable interrupt on AIC5 */ - at91_aic_write(AT91_AIC5_SSR, d->hwirq & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IDCR, 1); - /* Update ISR cache */ - clear_backup(d->hwirq); -} - static void at91_aic_unmask_irq(struct irq_data *d) { /* Enable interrupt on AIC */ @@ -209,15 +144,6 @@ static void at91_aic_unmask_irq(struct irq_data *d) set_backup(d->hwirq); } -static void __maybe_unused at91_aic5_unmask_irq(struct irq_data *d) -{ - /* Enable interrupt on AIC5 */ - at91_aic_write(AT91_AIC5_SSR, d->hwirq & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IECR, 1); - /* Update ISR cache */ - set_backup(d->hwirq); -} - static void at91_aic_eoi(struct irq_data *d) { /* @@ -227,11 +153,6 @@ static void at91_aic_eoi(struct irq_data *d) at91_aic_write(AT91_AIC_EOICR, 0); } -static void __maybe_unused at91_aic5_eoi(struct irq_data *d) -{ - at91_aic_write(AT91_AIC5_EOICR, 0); -} - static unsigned long *at91_extern_irq; u32 at91_get_extern_irq(void) @@ -282,16 +203,8 @@ static int at91_aic_set_type(struct irq_data *d, unsigned type) if (srctype < 0) return srctype; - if (has_aic5()) { - at91_aic_write(AT91_AIC5_SSR, - d->hwirq & AT91_AIC5_INTSEL_MSK); - smr = at91_aic_read(AT91_AIC5_SMR) & ~AT91_AIC_SRCTYPE; - at91_aic_write(AT91_AIC5_SMR, smr | srctype); - } else { - smr = at91_aic_read(AT91_AIC_SMR(d->hwirq)) - & ~AT91_AIC_SRCTYPE; - at91_aic_write(AT91_AIC_SMR(d->hwirq), smr | srctype); - } + smr = at91_aic_read(AT91_AIC_SMR(d->hwirq)) & ~AT91_AIC_SRCTYPE; + at91_aic_write(AT91_AIC_SMR(d->hwirq), smr | srctype); return 0; } @@ -331,177 +244,6 @@ static void __init at91_aic_hw_init(unsigned int spu_vector) at91_aic_write(AT91_AIC_ICCR, 0xFFFFFFFF); } -static void __init __maybe_unused at91_aic5_hw_init(unsigned int spu_vector) -{ - int i; - - /* - * Perform 8 End Of Interrupt Command to make sure AIC - * will not Lock out nIRQ - */ - for (i = 0; i < 8; i++) - at91_aic_write(AT91_AIC5_EOICR, 0); - - /* - * Spurious Interrupt ID in Spurious Vector Register. - * When there is no current interrupt, the IRQ Vector Register - * reads the value stored in AIC_SPU - */ - at91_aic_write(AT91_AIC5_SPU, spu_vector); - - /* No debugging in AIC: Debug (Protect) Control Register */ - at91_aic_write(AT91_AIC5_DCR, 0); - - /* Disable and clear all interrupts initially */ - for (i = 0; i < n_irqs; i++) { - at91_aic_write(AT91_AIC5_SSR, i & AT91_AIC5_INTSEL_MSK); - at91_aic_write(AT91_AIC5_IDCR, 1); - at91_aic_write(AT91_AIC5_ICCR, 1); - } -} - -#if defined(CONFIG_OF) -static unsigned int *at91_aic_irq_priorities; - -static int at91_aic_irq_map(struct irq_domain *h, unsigned int virq, - irq_hw_number_t hw) -{ - /* Put virq number in Source Vector Register */ - at91_aic_write(AT91_AIC_SVR(hw), virq); - - /* Active Low interrupt, with priority */ - at91_aic_write(AT91_AIC_SMR(hw), - AT91_AIC_SRCTYPE_LOW | at91_aic_irq_priorities[hw]); - - irq_set_chip_and_handler(virq, &at91_aic_chip, handle_fasteoi_irq); - set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); - - return 0; -} - -static int at91_aic5_irq_map(struct irq_domain *h, unsigned int virq, - irq_hw_number_t hw) -{ - at91_aic_write(AT91_AIC5_SSR, hw & AT91_AIC5_INTSEL_MSK); - - /* Put virq number in Source Vector Register */ - at91_aic_write(AT91_AIC5_SVR, virq); - - /* Active Low interrupt, with priority */ - at91_aic_write(AT91_AIC5_SMR, - AT91_AIC_SRCTYPE_LOW | at91_aic_irq_priorities[hw]); - - irq_set_chip_and_handler(virq, &at91_aic_chip, handle_fasteoi_irq); - set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); - - return 0; -} - -static int at91_aic_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, - const u32 *intspec, unsigned int intsize, - irq_hw_number_t *out_hwirq, unsigned int *out_type) -{ - if (WARN_ON(intsize < 3)) - return -EINVAL; - if (WARN_ON(intspec[0] >= n_irqs)) - return -EINVAL; - if (WARN_ON((intspec[2] < AT91_AIC_IRQ_MIN_PRIORITY) - || (intspec[2] > AT91_AIC_IRQ_MAX_PRIORITY))) - return -EINVAL; - - *out_hwirq = intspec[0]; - *out_type = intspec[1] & IRQ_TYPE_SENSE_MASK; - at91_aic_irq_priorities[*out_hwirq] = intspec[2]; - - return 0; -} - -static struct irq_domain_ops at91_aic_irq_ops = { - .map = at91_aic_irq_map, - .xlate = at91_aic_irq_domain_xlate, -}; - -int __init at91_aic_of_common_init(struct device_node *node, - struct device_node *parent) -{ - struct property *prop; - const __be32 *p; - u32 val; - - at91_extern_irq = kzalloc(BITS_TO_LONGS(n_irqs) - * sizeof(*at91_extern_irq), GFP_KERNEL); - if (!at91_extern_irq) - return -ENOMEM; - - if (at91_aic_pm_init()) { - kfree(at91_extern_irq); - return -ENOMEM; - } - - at91_aic_irq_priorities = kzalloc(n_irqs - * sizeof(*at91_aic_irq_priorities), - GFP_KERNEL); - if (!at91_aic_irq_priorities) - return -ENOMEM; - - at91_aic_base = of_iomap(node, 0); - at91_aic_np = node; - - at91_aic_domain = irq_domain_add_linear(at91_aic_np, n_irqs, - &at91_aic_irq_ops, NULL); - if (!at91_aic_domain) - panic("Unable to add AIC irq domain (DT)\n"); - - of_property_for_each_u32(node, "atmel,external-irqs", prop, p, val) { - if (val >= n_irqs) - pr_warn("AIC: external irq %d >= %d skip it\n", - val, n_irqs); - else - set_bit(val, at91_extern_irq); - } - - irq_set_default_host(at91_aic_domain); - - return 0; -} - -int __init at91_aic_of_init(struct device_node *node, - struct device_node *parent) -{ - int err; - - err = at91_aic_of_common_init(node, parent); - if (err) - return err; - - at91_aic_hw_init(n_irqs); - - return 0; -} - -int __init at91_aic5_of_init(struct device_node *node, - struct device_node *parent) -{ - int err; - - at91_aic_caps |= AT91_AIC_CAP_AIC5; - n_irqs = NR_AIC5_IRQS; - at91_aic_chip.irq_ack = at91_aic5_mask_irq; - at91_aic_chip.irq_mask = at91_aic5_mask_irq; - at91_aic_chip.irq_unmask = at91_aic5_unmask_irq; - at91_aic_chip.irq_eoi = at91_aic5_eoi; - at91_aic_irq_ops.map = at91_aic5_irq_map; - - err = at91_aic_of_common_init(node, parent); - if (err) - return err; - - at91_aic5_hw_init(n_irqs); - - return 0; -} -#endif - /* * Initialize the AIC interrupt controller. */ diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index e9555453298..5920373809c 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -206,16 +206,19 @@ static int at91_pm_enter(suspend_state_t state) at91_pinctrl_gpio_suspend(); else at91_gpio_suspend(); - at91_irq_suspend(); - pr_debug("AT91: PM - wake mask %08x, pm state %d\n", - /* remember all the always-wake irqs */ - (at91_pmc_read(AT91_PMC_PCSR) - | (1 << AT91_ID_FIQ) - | (1 << AT91_ID_SYS) - | (at91_get_extern_irq())) - & at91_aic_read(AT91_AIC_IMR), - state); + if (IS_ENABLED(CONFIG_OLD_IRQ_AT91) && at91_aic_base) { + at91_irq_suspend(); + + pr_debug("AT91: PM - wake mask %08x, pm state %d\n", + /* remember all the always-wake irqs */ + (at91_pmc_read(AT91_PMC_PCSR) + | (1 << AT91_ID_FIQ) + | (1 << AT91_ID_SYS) + | (at91_get_extern_irq())) + & at91_aic_read(AT91_AIC_IMR), + state); + } switch (state) { /* @@ -280,12 +283,17 @@ static int at91_pm_enter(suspend_state_t state) goto error; } - pr_debug("AT91: PM - wakeup %08x\n", - at91_aic_read(AT91_AIC_IPR) & at91_aic_read(AT91_AIC_IMR)); + if (IS_ENABLED(CONFIG_OLD_IRQ_AT91) && at91_aic_base) + pr_debug("AT91: PM - wakeup %08x\n", + at91_aic_read(AT91_AIC_IPR) & + at91_aic_read(AT91_AIC_IMR)); error: target_state = PM_SUSPEND_ON; - at91_irq_resume(); + + if (IS_ENABLED(CONFIG_OLD_IRQ_AT91) && at91_aic_base) + at91_irq_resume(); + if (of_have_populated_dt()) at91_pinctrl_gpio_resume(); else diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index f7a07a58ebb..0bf893a574f 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -49,7 +49,8 @@ void __init at91_init_irq_default(void) void __init at91_init_interrupts(unsigned int *priority) { /* Initialize the AIC interrupt controller */ - at91_aic_init(priority, at91_boot_soc.extern_irq); + if (IS_ENABLED(CONFIG_OLD_IRQ_AT91)) + at91_aic_init(priority, at91_boot_soc.extern_irq); /* Enable GPIO interrupts */ at91_gpio_irq_setup(); diff --git a/arch/arm/mach-clps711x/common.c b/arch/arm/mach-clps711x/common.c index 2a6323b1578..671acc5a328 100644 --- a/arch/arm/mach-clps711x/common.c +++ b/arch/arm/mach-clps711x/common.c @@ -19,29 +19,17 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/io.h> + #include <linux/init.h> #include <linux/sizes.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/clk.h> -#include <linux/clkdev.h> -#include <linux/clockchips.h> -#include <linux/clocksource.h> -#include <linux/clk-provider.h> -#include <linux/sched_clock.h> #include <asm/mach/map.h> -#include <asm/mach/time.h> #include <asm/system_misc.h> #include <mach/hardware.h> #include "common.h" -static struct clk *clk_pll, *clk_bus, *clk_uart, *clk_timerl, *clk_timerh, - *clk_tint, *clk_spi; - /* * This maps the generic CLPS711x registers */ @@ -64,129 +52,11 @@ void __init clps711x_init_irq(void) clps711x_intc_init(CLPS711X_PHYS_BASE, SZ_16K); } -static u64 notrace clps711x_sched_clock_read(void) -{ - return ~readw_relaxed(CLPS711X_VIRT_BASE + TC1D); -} - -static void clps711x_clockevent_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) -{ - disable_irq(IRQ_TC2OI); - - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - enable_irq(IRQ_TC2OI); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* Not supported */ - case CLOCK_EVT_MODE_SHUTDOWN: - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_RESUME: - /* Left event sources disabled, no more interrupts appear */ - break; - } -} - -static struct clock_event_device clockevent_clps711x = { - .name = "clps711x-clockevent", - .rating = 300, - .features = CLOCK_EVT_FEAT_PERIODIC, - .set_mode = clps711x_clockevent_set_mode, -}; - -static irqreturn_t clps711x_timer_interrupt(int irq, void *dev_id) -{ - clockevent_clps711x.event_handler(&clockevent_clps711x); - - return IRQ_HANDLED; -} - -static struct irqaction clps711x_timer_irq = { - .name = "clps711x-timer", - .flags = IRQF_TIMER | IRQF_IRQPOLL, - .handler = clps711x_timer_interrupt, -}; - -static void add_fixed_clk(struct clk *clk, const char *name, int rate) -{ - clk = clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); - clk_register_clkdev(clk, name, NULL); -} - void __init clps711x_timer_init(void) { - int osc, ext, pll, cpu, bus, timl, timh, uart, spi; - u32 tmp; - - osc = 3686400; - ext = 13000000; - - tmp = clps_readl(PLLR) >> 24; - if (tmp) - pll = (osc * tmp) / 2; - else - pll = 73728000; /* Default value */ - - tmp = clps_readl(SYSFLG2); - if (tmp & SYSFLG2_CKMODE) { - cpu = ext; - bus = cpu; - spi = 135400; - pll = 0; - } else { - cpu = pll; - if (cpu >= 36864000) - bus = cpu / 2; - else - bus = 36864000 / 2; - spi = cpu / 576; - } - - uart = bus / 10; - - if (tmp & SYSFLG2_CKMODE) { - tmp = clps_readl(SYSCON2); - if (tmp & SYSCON2_OSTB) - timh = ext / 26; - else - timh = 541440; - } else - timh = DIV_ROUND_CLOSEST(cpu, 144); - - timl = DIV_ROUND_CLOSEST(timh, 256); - - /* All clocks are fixed */ - add_fixed_clk(clk_pll, "pll", pll); - add_fixed_clk(clk_bus, "bus", bus); - add_fixed_clk(clk_uart, "uart", uart); - add_fixed_clk(clk_timerl, "timer_lf", timl); - add_fixed_clk(clk_timerh, "timer_hf", timh); - add_fixed_clk(clk_tint, "tint", 64); - add_fixed_clk(clk_spi, "spi", spi); - - pr_info("CPU frequency set at %i Hz.\n", cpu); - - /* Start Timer1 in free running mode (Low frequency) */ - tmp = clps_readl(SYSCON1) & ~(SYSCON1_TC1S | SYSCON1_TC1M); - clps_writel(tmp, SYSCON1); - - sched_clock_register(clps711x_sched_clock_read, 16, timl); - - clocksource_mmio_init(CLPS711X_VIRT_BASE + TC1D, - "clps711x_clocksource", timl, 300, 16, - clocksource_mmio_readw_down); - - /* Set Timer2 prescaler */ - clps_writew(DIV_ROUND_CLOSEST(timh, HZ), TC2D); - - /* Start Timer2 in prescale mode (High frequency)*/ - tmp = clps_readl(SYSCON1) | SYSCON1_TC2M | SYSCON1_TC2S; - clps_writel(tmp, SYSCON1); - - clockevents_config_and_register(&clockevent_clps711x, timh, 0, 0); - - setup_irq(IRQ_TC2OI, &clps711x_timer_irq); + clps711x_clk_init(CLPS711X_VIRT_BASE); + clps711x_clksrc_init(CLPS711X_VIRT_BASE + TC1D, + CLPS711X_VIRT_BASE + TC2D, IRQ_TC2OI); } void clps711x_restart(enum reboot_mode mode, const char *cmd) diff --git a/arch/arm/mach-clps711x/common.h b/arch/arm/mach-clps711x/common.h index f8818996389..370200b2633 100644 --- a/arch/arm/mach-clps711x/common.h +++ b/arch/arm/mach-clps711x/common.h @@ -16,3 +16,8 @@ extern void clps711x_restart(enum reboot_mode mode, const char *cmd); /* drivers/irqchip/irq-clps711x.c */ void clps711x_intc_init(phys_addr_t, resource_size_t); +/* drivers/clk/clk-clps711x.c */ +void clps711x_clk_init(void __iomem *base); +/* drivers/clocksource/clps711x-timer.c */ +void clps711x_clksrc_init(void __iomem *tc1_base, void __iomem *tc2_base, + unsigned int irq); diff --git a/arch/arm/mach-msm/board-mahimahi.c b/arch/arm/mach-msm/board-mahimahi.c deleted file mode 100644 index 873c3ca3cd7..00000000000 --- a/arch/arm/mach-msm/board-mahimahi.c +++ /dev/null @@ -1,83 +0,0 @@ -/* linux/arch/arm/mach-msm/board-mahimahi.c - * - * Copyright (C) 2009 Google, Inc. - * Copyright (C) 2009 HTC Corporation. - * Author: Dima Zavin <dima@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/memblock.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/setup.h> - -#include <mach/hardware.h> - -#include "board-mahimahi.h" -#include "devices.h" -#include "proc_comm.h" -#include "common.h" - -static uint debug_uart; - -module_param_named(debug_uart, debug_uart, uint, 0); - -static struct platform_device *devices[] __initdata = { -#if !defined(CONFIG_MSM_SERIAL_DEBUGGER) - &msm_device_uart1, -#endif - &msm_device_uart_dm1, - &msm_device_nand, -}; - -static void __init mahimahi_init(void) -{ - platform_add_devices(devices, ARRAY_SIZE(devices)); -} - -static void __init mahimahi_fixup(struct tag *tags, char **cmdline) -{ - memblock_add(PHYS_OFFSET, 219*SZ_1M); - memblock_add(MSM_HIGHMEM_BASE, MSM_HIGHMEM_SIZE); -} - -static void __init mahimahi_map_io(void) -{ - msm_map_common_io(); - msm_clock_init(); -} - -static void __init mahimahi_init_late(void) -{ - smd_debugfs_init(); -} - -void msm_timer_init(void); - -MACHINE_START(MAHIMAHI, "mahimahi") - .atag_offset = 0x100, - .fixup = mahimahi_fixup, - .map_io = mahimahi_map_io, - .init_irq = msm_init_irq, - .init_machine = mahimahi_init, - .init_late = mahimahi_init_late, - .init_time = msm_timer_init, -MACHINE_END diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index 245884319d2..8f5ecdc4f3c 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -124,7 +124,7 @@ struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = { static struct platform_device *devices[] __initdata = { &msm_clock_7x30, &msm_device_gpio_7x30, -#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER) +#if defined(CONFIG_SERIAL_MSM) &msm_device_uart2, #endif &msm_device_smd, diff --git a/arch/arm/mach-msm/board-trout-gpio.c b/arch/arm/mach-msm/board-trout-gpio.c index 2c25050209c..722ad63b7ed 100644 --- a/arch/arm/mach-msm/board-trout-gpio.c +++ b/arch/arm/mach-msm/board-trout-gpio.c @@ -94,7 +94,7 @@ static int trout_gpio_to_irq(struct gpio_chip *chip, unsigned offset) } static struct msm_gpio_chip msm_gpio_banks[] = { -#if defined(CONFIG_MSM_DEBUG_UART1) +#if defined(CONFIG_DEBUG_MSM_UART) && (CONFIG_DEBUG_UART_PHYS == 0xa9a00000) /* H2W pins <-> UART1 */ TROUT_GPIO_BANK("MISC2", 0x00, TROUT_GPIO_MISC2_BASE, 0x40), #else diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index f72b07de215..ba3edd3a46c 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -88,7 +88,7 @@ static void __init trout_map_io(void) msm_map_common_io(); iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc)); -#ifdef CONFIG_MSM_DEBUG_UART3 +#if defined(CONFIG_DEBUG_MSM_UART) && (CONFIG_DEBUG_UART_PHYS == 0xa9c00000) /* route UART3 to the "H2W" extended usb connector */ writeb(0x80, TROUT_CPLD_BASE + 0x00); #endif diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 34e09474636..b042dca1f63 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -57,8 +57,7 @@ static struct map_desc msm_io_desc[] __initdata = { .length = MSM_SHARED_RAM_SIZE, .type = MT_DEVICE, }, -#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ - defined(CONFIG_DEBUG_MSM_UART3) +#if defined(CONFIG_DEBUG_MSM_UART) { /* Must be last: virtual and pfn filled in by debug_ll_addr() */ .length = SZ_4K, @@ -76,8 +75,7 @@ void __init msm_map_common_io(void) * pages are peripheral interface or not. */ asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0)); -#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ - defined(CONFIG_DEBUG_MSM_UART3) +#if defined(CONFIG_DEBUG_MSM_UART) #ifdef CONFIG_MMU debug_ll_addr(&msm_io_desc[size - 1].pfn, &msm_io_desc[size - 1].virtual); diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index 56edeab17b6..09d2a26985d 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -550,7 +550,7 @@ static int __init dns323_identify_rev(void) break; } if (i >= 1000) { - pr_warning("DNS-323: Timeout accessing PHY, assuming rev B1\n"); + pr_warn("DNS-323: Timeout accessing PHY, assuming rev B1\n"); return DNS323_REV_B1; } writel((3 << 21) /* phy ID reg */ | @@ -562,7 +562,7 @@ static int __init dns323_identify_rev(void) break; } if (i >= 1000) { - pr_warning("DNS-323: Timeout reading PHY, assuming rev B1\n"); + pr_warn("DNS-323: Timeout reading PHY, assuming rev B1\n"); return DNS323_REV_B1; } pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff); @@ -577,8 +577,8 @@ static int __init dns323_identify_rev(void) case 0x0e10: /* MV88E1118 */ return DNS323_REV_C1; default: - pr_warning("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n", - reg & 0xffff); + pr_warn("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n", + reg & 0xffff); } return DNS323_REV_B1; } diff --git a/arch/arm/mach-orion5x/terastation_pro2-setup.c b/arch/arm/mach-orion5x/terastation_pro2-setup.c index 6208d125c1b..12086745c9f 100644 --- a/arch/arm/mach-orion5x/terastation_pro2-setup.c +++ b/arch/arm/mach-orion5x/terastation_pro2-setup.c @@ -349,7 +349,7 @@ static void __init tsp2_init(void) gpio_free(TSP2_RTC_GPIO); } if (tsp2_i2c_rtc.irq == 0) - pr_warning("tsp2_init: failed to get RTC IRQ\n"); + pr_warn("tsp2_init: failed to get RTC IRQ\n"); i2c_register_board_info(0, &tsp2_i2c_rtc, 1); /* register Terastation Pro II specific power-off method */ diff --git a/arch/arm/mach-orion5x/ts209-setup.c b/arch/arm/mach-orion5x/ts209-setup.c index 9136797addb..c725b7cb987 100644 --- a/arch/arm/mach-orion5x/ts209-setup.c +++ b/arch/arm/mach-orion5x/ts209-setup.c @@ -314,7 +314,7 @@ static void __init qnap_ts209_init(void) gpio_free(TS209_RTC_GPIO); } if (qnap_ts209_i2c_rtc.irq == 0) - pr_warning("qnap_ts209_init: failed to get RTC IRQ\n"); + pr_warn("qnap_ts209_init: failed to get RTC IRQ\n"); i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1); /* register tsx09 specific power-off method */ diff --git a/arch/arm/mach-orion5x/ts409-setup.c b/arch/arm/mach-orion5x/ts409-setup.c index 5c079d31201..cf2ab531cab 100644 --- a/arch/arm/mach-orion5x/ts409-setup.c +++ b/arch/arm/mach-orion5x/ts409-setup.c @@ -302,7 +302,7 @@ static void __init qnap_ts409_init(void) gpio_free(TS409_RTC_GPIO); } if (qnap_ts409_i2c_rtc.irq == 0) - pr_warning("qnap_ts409_init: failed to get RTC IRQ\n"); + pr_warn("qnap_ts409_init: failed to get RTC IRQ\n"); i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1); platform_device_register(&ts409_leds); diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c index db16dae441e..1b704d35cf5 100644 --- a/arch/arm/mach-orion5x/ts78xx-setup.c +++ b/arch/arm/mach-orion5x/ts78xx-setup.c @@ -403,8 +403,8 @@ static void ts78xx_fpga_supports(void) /* enable devices if magic matches */ switch ((ts78xx_fpga.id >> 8) & 0xffffff) { case TS7800_FPGA_MAGIC: - pr_warning("unrecognised FPGA revision 0x%.2x\n", - ts78xx_fpga.id & 0xff); + pr_warn("unrecognised FPGA revision 0x%.2x\n", + ts78xx_fpga.id & 0xff); ts78xx_fpga.supports.ts_rtc.present = 1; ts78xx_fpga.supports.ts_nand.present = 1; ts78xx_fpga.supports.ts_rng.present = 1; diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 1e6c51c7c2d..efc49dabbf2 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -1,6 +1,30 @@ config ARCH_SHMOBILE bool +config PM_RCAR + bool + +config PM_RMOBILE + bool + +config ARCH_RCAR_GEN1 + bool + select PM_RCAR if PM || SMP + select RENESAS_INTC_IRQPIN + select SYS_SUPPORTS_SH_TMU + +config ARCH_RCAR_GEN2 + bool + select PM_RCAR if PM || SMP + select RENESAS_IRQC + select SYS_SUPPORTS_SH_CMT + +config ARCH_RMOBILE + bool + select PM_RMOBILE if PM && !ARCH_SHMOBILE_MULTI + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_TMU + menuconfig ARCH_SHMOBILE_MULTI bool "Renesas ARM SoCs" if ARCH_MULTI_V7 depends on MMU @@ -28,18 +52,15 @@ config ARCH_R7S72100 config ARCH_R8A7779 bool "R-Car H1 (R8A77790)" - select RENESAS_INTC_IRQPIN - select SYS_SUPPORTS_SH_TMU + select ARCH_RCAR_GEN1 config ARCH_R8A7790 bool "R-Car H2 (R8A77900)" - select RENESAS_IRQC - select SYS_SUPPORTS_SH_CMT + select ARCH_RCAR_GEN2 config ARCH_R8A7791 - bool "R-Car M2 (R8A77910)" - select RENESAS_IRQC - select SYS_SUPPORTS_SH_CMT + bool "R-Car M2-W (R8A77910)" + select ARCH_RCAR_GEN2 comment "Renesas ARM SoCs Board Type" @@ -71,84 +92,60 @@ comment "Renesas ARM SoCs System Type" config ARCH_SH7372 bool "SH-Mobile AP4 (SH7372)" + select ARCH_RMOBILE select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_CPU_SUSPEND if PM || CPU_IDLE - select CPU_V7 - select SH_CLK_CPG select SH_INTC - select SYS_SUPPORTS_SH_CMT - select SYS_SUPPORTS_SH_TMU config ARCH_SH73A0 bool "SH-Mobile AG5 (R8A73A00)" + select ARCH_RMOBILE select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 select I2C - select SH_CLK_CPG select SH_INTC select RENESAS_INTC_IRQPIN - select SYS_SUPPORTS_SH_CMT - select SYS_SUPPORTS_SH_TMU config ARCH_R8A73A4 bool "R-Mobile APE6 (R8A73A40)" + select ARCH_RMOBILE select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 - select SH_CLK_CPG select RENESAS_IRQC - select SYS_SUPPORTS_SH_CMT - select SYS_SUPPORTS_SH_TMU config ARCH_R8A7740 bool "R-Mobile A1 (R8A77400)" + select ARCH_RMOBILE select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 - select SH_CLK_CPG select RENESAS_INTC_IRQPIN - select SYS_SUPPORTS_SH_CMT - select SYS_SUPPORTS_SH_TMU config ARCH_R8A7778 bool "R-Car M1A (R8A77781)" + select ARCH_RCAR_GEN1 select ARCH_WANT_OPTIONAL_GPIOLIB - select CPU_V7 - select SH_CLK_CPG select ARM_GIC - select SYS_SUPPORTS_SH_TMU - select RENESAS_INTC_IRQPIN config ARCH_R8A7779 bool "R-Car H1 (R8A77790)" + select ARCH_RCAR_GEN1 select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 - select SH_CLK_CPG - select RENESAS_INTC_IRQPIN - select SYS_SUPPORTS_SH_TMU config ARCH_R8A7790 bool "R-Car H2 (R8A77900)" + select ARCH_RCAR_GEN2 select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 select MIGHT_HAVE_PCI - select SH_CLK_CPG - select RENESAS_IRQC - select SYS_SUPPORTS_SH_CMT select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE config ARCH_R8A7791 - bool "R-Car M2 (R8A77910)" + bool "R-Car M2-W (R8A77910)" + select ARCH_RCAR_GEN2 select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC - select CPU_V7 select MIGHT_HAVE_PCI - select SH_CLK_CPG - select RENESAS_IRQC - select SYS_SUPPORTS_SH_CMT select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE config ARCH_R7S72100 diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index fe3878a1a69..7b259ce60be 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -8,15 +8,14 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/mach-shmobile/incl obj-y := timer.o console.o # CPU objects -obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o intc-sh7372.o -obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o intc-sh73a0.o +obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o intc-sh7372.o pm-sh7372.o +obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o intc-sh73a0.o pm-sh73a0.o obj-$(CONFIG_ARCH_R8A73A4) += setup-r8a73a4.o -obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o +obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o pm-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o -obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o -obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o -obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o setup-rcar-gen2.o -obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o setup-rcar-gen2.o +obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o pm-r8a7779.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o pm-r8a7790.o +obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o pm-r8a7791.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o @@ -36,8 +35,9 @@ endif # CPU reset vector handling objects cpu-y := platsmp.o headsmp.o -cpu-$(CONFIG_ARCH_R8A7790) += platsmp-apmu.o -cpu-$(CONFIG_ARCH_R8A7791) += platsmp-apmu.o + +# Shared SoC family objects +obj-$(CONFIG_ARCH_RCAR_GEN2) += setup-rcar-gen2.o platsmp-apmu.o $(cpu-y) # SMP objects smp-y := $(cpu-y) @@ -51,15 +51,11 @@ smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o obj-$(CONFIG_SUSPEND) += suspend.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_FREQ) += cpufreq.o -obj-$(CONFIG_ARCH_SH7372) += pm-sh7372.o sleep-sh7372.o pm-rmobile.o -obj-$(CONFIG_ARCH_SH73A0) += pm-sh73a0.o -obj-$(CONFIG_ARCH_R8A7740) += pm-r8a7740.o pm-rmobile.o -obj-$(CONFIG_ARCH_R8A7779) += pm-r8a7779.o pm-rcar.o -obj-$(CONFIG_ARCH_R8A7790) += pm-r8a7790.o pm-rcar.o $(cpu-y) -obj-$(CONFIG_ARCH_R8A7791) += pm-r8a7791.o pm-rcar.o $(cpu-y) +obj-$(CONFIG_PM_RCAR) += pm-rcar.o +obj-$(CONFIG_PM_RMOBILE) += pm-rmobile.o -# IRQ objects -obj-$(CONFIG_ARCH_SH7372) += entry-intc.o +# special sh7372 handling for IRQ objects and low level sleep code +obj-$(CONFIG_ARCH_SH7372) += entry-intc.o sleep-sh7372.o # Board objects ifdef CONFIG_ARCH_SHMOBILE_MULTI diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 6dbaad611a9..e7098353440 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1231,6 +1231,10 @@ clock_error: #define GPIO_PORT8CR IOMEM(0xe6050008) static void __init eva_init(void) { + static struct pm_domain_device domain_devices[] __initdata = { + { "A4LC", &lcdc0_device }, + { "A4LC", &hdmi_lcdc_device }, + }; struct platform_device *usb = NULL; regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, @@ -1316,8 +1320,8 @@ static void __init eva_init(void) platform_add_devices(eva_devices, ARRAY_SIZE(eva_devices)); - rmobile_add_device_to_domain("A4LC", &lcdc0_device); - rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device); + rmobile_add_devices_to_domains(domain_devices, + ARRAY_SIZE(domain_devices)); if (usb) rmobile_add_device_to_domain("A3SP", usb); diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 79f448e93ab..d47b2623267 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -1420,7 +1420,7 @@ static const struct pinctrl_map mackerel_pinctrl_map[] = { #define USCCR1 IOMEM(0xE6058144) static void __init mackerel_init(void) { - struct pm_domain_device domain_devices[] = { + static struct pm_domain_device domain_devices[] __initdata = { { "A4LC", &lcdc_device, }, { "A4LC", &hdmi_lcdc_device, }, { "A4LC", &meram_device, }, diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c index a0d44d537fa..3d507149a6c 100644 --- a/arch/arm/mach-shmobile/pm-r8a7740.c +++ b/arch/arm/mach-shmobile/pm-r8a7740.c @@ -34,23 +34,21 @@ static int r8a7740_pd_a3sp_suspend(void) static struct rmobile_pm_domain r8a7740_pm_domains[] = { { + .genpd.name = "A4LC", + .bit_shift = 1, + }, { .genpd.name = "A4S", .bit_shift = 10, .gov = &pm_domain_always_on_gov, .no_debug = true, .suspend = r8a7740_pd_a4s_suspend, - }, - { + }, { .genpd.name = "A3SP", .bit_shift = 11, .gov = &pm_domain_always_on_gov, .no_debug = true, .suspend = r8a7740_pd_a3sp_suspend, }, - { - .genpd.name = "A4LC", - .bit_shift = 1, - }, }; void __init r8a7740_init_pm_domains(void) diff --git a/arch/arm/mach-shmobile/pm-rcar.c b/arch/arm/mach-shmobile/pm-rcar.c index 34b8a5674f8..00022ee56f8 100644 --- a/arch/arm/mach-shmobile/pm-rcar.c +++ b/arch/arm/mach-shmobile/pm-rcar.c @@ -31,8 +31,6 @@ #define SYSCISR_RETRIES 1000 #define SYSCISR_DELAY_US 1 -#if defined(CONFIG_PM) || defined(CONFIG_SMP) - static void __iomem *rcar_sysc_base; static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */ @@ -137,5 +135,3 @@ void __iomem *rcar_sysc_init(phys_addr_t base) return rcar_sysc_base; } - -#endif /* CONFIG_PM || CONFIG_SMP */ diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index ebdd16e94a8..a88079af791 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -27,7 +27,6 @@ #define PSTR_RETRIES 100 #define PSTR_DELAY_US 10 -#ifdef CONFIG_PM static int rmobile_pd_power_down(struct generic_pm_domain *genpd) { struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd); @@ -151,4 +150,3 @@ void rmobile_add_devices_to_domains(struct pm_domain_device data[], rmobile_add_device_to_domain_td(data[j].domain_name, data[j].pdev, &latencies); } -#endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-rmobile.h b/arch/arm/mach-shmobile/pm-rmobile.h index 690553a0688..8f66b343162 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.h +++ b/arch/arm/mach-shmobile/pm-rmobile.h @@ -36,7 +36,7 @@ struct pm_domain_device { struct platform_device *pdev; }; -#ifdef CONFIG_PM +#ifdef CONFIG_PM_RMOBILE extern void rmobile_init_domains(struct rmobile_pm_domain domains[], int num); extern void rmobile_add_device_to_domain_td(const char *domain_name, struct platform_device *pdev, @@ -58,6 +58,6 @@ extern void rmobile_add_devices_to_domains(struct pm_domain_device data[], static inline void rmobile_add_devices_to_domains(struct pm_domain_device d[], int size) {} -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_RMOBILE */ #endif /* PM_RMOBILE_H */ diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 3d5eacaba3e..30df532fcaa 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -747,6 +747,19 @@ static void r8a7740_i2c_workaround(struct platform_device *pdev) void __init r8a7740_add_standard_devices(void) { + static struct pm_domain_device domain_devices[] __initdata = { + { "A3SP", &scif0_device }, + { "A3SP", &scif1_device }, + { "A3SP", &scif2_device }, + { "A3SP", &scif3_device }, + { "A3SP", &scif4_device }, + { "A3SP", &scif5_device }, + { "A3SP", &scif6_device }, + { "A3SP", &scif7_device }, + { "A3SP", &scif8_device }, + { "A3SP", &i2c1_device }, + }; + /* I2C work-around */ r8a7740_i2c_workaround(&i2c0_device); r8a7740_i2c_workaround(&i2c1_device); @@ -762,17 +775,8 @@ void __init r8a7740_add_standard_devices(void) ARRAY_SIZE(r8a7740_late_devices)); /* add devices to PM domain */ - - rmobile_add_device_to_domain("A3SP", &scif0_device); - rmobile_add_device_to_domain("A3SP", &scif1_device); - rmobile_add_device_to_domain("A3SP", &scif2_device); - rmobile_add_device_to_domain("A3SP", &scif3_device); - rmobile_add_device_to_domain("A3SP", &scif4_device); - rmobile_add_device_to_domain("A3SP", &scif5_device); - rmobile_add_device_to_domain("A3SP", &scif6_device); - rmobile_add_device_to_domain("A3SP", &scif7_device); - rmobile_add_device_to_domain("A3SP", &scif8_device); - rmobile_add_device_to_domain("A3SP", &i2c1_device); + rmobile_add_devices_to_domains(domain_devices, + ARRAY_SIZE(domain_devices)); } void __init r8a7740_add_early_devices(void) diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 9cdfcdfd38f..a04fa5fd00f 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -927,7 +927,7 @@ static struct platform_device *sh7372_late_devices[] __initdata = { void __init sh7372_add_standard_devices(void) { - struct pm_domain_device domain_devices[] = { + static struct pm_domain_device domain_devices[] __initdata = { { "A3RV", &vpu_device, }, { "A4MP", &spu0_device, }, { "A4MP", &spu1_device, }, diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 42d4753683c..d7598aeed80 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -12,81 +12,9 @@ #include <linux/clk-provider.h> #include <linux/clocksource.h> -#include <linux/delay.h> -#include <linux/kernel.h> #include <linux/init.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/of_platform.h> -#include <linux/io.h> -#include <linux/reboot.h> #include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/system_misc.h> - -#define SUN4I_WATCHDOG_CTRL_REG 0x00 -#define SUN4I_WATCHDOG_CTRL_RESTART BIT(0) -#define SUN4I_WATCHDOG_MODE_REG 0x04 -#define SUN4I_WATCHDOG_MODE_ENABLE BIT(0) -#define SUN4I_WATCHDOG_MODE_RESET_ENABLE BIT(1) - -#define SUN6I_WATCHDOG1_IRQ_REG 0x00 -#define SUN6I_WATCHDOG1_CTRL_REG 0x10 -#define SUN6I_WATCHDOG1_CTRL_RESTART BIT(0) -#define SUN6I_WATCHDOG1_CONFIG_REG 0x14 -#define SUN6I_WATCHDOG1_CONFIG_RESTART BIT(0) -#define SUN6I_WATCHDOG1_CONFIG_IRQ BIT(1) -#define SUN6I_WATCHDOG1_MODE_REG 0x18 -#define SUN6I_WATCHDOG1_MODE_ENABLE BIT(0) - -static void __iomem *wdt_base; - -static void sun4i_restart(enum reboot_mode mode, const char *cmd) -{ - if (!wdt_base) - return; - - /* Enable timer and set reset bit in the watchdog */ - writel(SUN4I_WATCHDOG_MODE_ENABLE | SUN4I_WATCHDOG_MODE_RESET_ENABLE, - wdt_base + SUN4I_WATCHDOG_MODE_REG); - - /* - * Restart the watchdog. The default (and lowest) interval - * value for the watchdog is 0.5s. - */ - writel(SUN4I_WATCHDOG_CTRL_RESTART, wdt_base + SUN4I_WATCHDOG_CTRL_REG); - - while (1) { - mdelay(5); - writel(SUN4I_WATCHDOG_MODE_ENABLE | SUN4I_WATCHDOG_MODE_RESET_ENABLE, - wdt_base + SUN4I_WATCHDOG_MODE_REG); - } -} - -static struct of_device_id sunxi_restart_ids[] = { - { .compatible = "allwinner,sun4i-a10-wdt" }, - { /*sentinel*/ } -}; - -static void sunxi_setup_restart(void) -{ - struct device_node *np; - - np = of_find_matching_node(NULL, sunxi_restart_ids); - if (WARN(!np, "unable to setup watchdog restart")) - return; - - wdt_base = of_iomap(np, 0); - WARN(!wdt_base, "failed to map watchdog base address"); -} - -static void __init sunxi_dt_init(void) -{ - sunxi_setup_restart(); - - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -} static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", @@ -96,9 +24,7 @@ static const char * const sunxi_board_dt_compat[] = { }; DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") - .init_machine = sunxi_dt_init, .dt_compat = sunxi_board_dt_compat, - .restart = sun4i_restart, MACHINE_END static const char * const sun6i_board_dt_compat[] = { @@ -126,9 +52,7 @@ static const char * const sun7i_board_dt_compat[] = { }; DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") - .init_machine = sunxi_dt_init, .dt_compat = sun7i_board_dt_compat, - .restart = sun4i_restart, MACHINE_END static const char * const sun8i_board_dt_compat[] = { diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index a8d7ea14f18..8bdbc45c6da 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -178,12 +178,6 @@ static irqreturn_t ch2_irq(int irq, void *handle) return IRQ_NONE; } -static struct irqaction tc_irqaction = { - .name = "tc_clkevt", - .flags = IRQF_TIMER, - .handler = ch2_irq, -}; - static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx) { int ret; @@ -198,15 +192,16 @@ static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx) clkevt.regs = tc->regs; clkevt.clk = t2_clk; - tc_irqaction.dev_id = &clkevt; timer_clock = clk32k_divisor_idx; clkevt.clkevt.cpumask = cpumask_of(0); - ret = setup_irq(irq, &tc_irqaction); - if (ret) + ret = request_irq(irq, ch2_irq, IRQF_TIMER, "tc_clkevt", &clkevt); + if (ret) { + clk_disable_unprepare(t2_clk); return ret; + } clockevents_config_and_register(&clkevt.clkevt, 32768, 1, 0xffff); @@ -279,7 +274,7 @@ static int __init tcb_clksrc_init(void) int i; int ret; - tc = atmel_tc_alloc(CONFIG_ATMEL_TCB_CLKSRC_BLOCK, clksrc.name); + tc = atmel_tc_alloc(CONFIG_ATMEL_TCB_CLKSRC_BLOCK); if (!tc) { pr_debug("can't alloc TC for clocksource\n"); return -ENODEV; diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c index c8d8e38d0d8..0ca05c3ec8d 100644 --- a/drivers/misc/atmel_tclib.c +++ b/drivers/misc/atmel_tclib.c @@ -35,60 +35,31 @@ static LIST_HEAD(tc_list); /** * atmel_tc_alloc - allocate a specified TC block * @block: which block to allocate - * @name: name to be associated with the iomem resource * * Caller allocates a block. If it is available, a pointer to a * pre-initialized struct atmel_tc is returned. The caller can access * the registers directly through the "regs" field. */ -struct atmel_tc *atmel_tc_alloc(unsigned block, const char *name) +struct atmel_tc *atmel_tc_alloc(unsigned block) { struct atmel_tc *tc; struct platform_device *pdev = NULL; - struct resource *r; - size_t size; spin_lock(&tc_list_lock); list_for_each_entry(tc, &tc_list, node) { - if (tc->pdev->dev.of_node) { - if (of_alias_get_id(tc->pdev->dev.of_node, "tcb") - == block) { - pdev = tc->pdev; - break; - } - } else if (tc->pdev->id == block) { + if (tc->allocated) + continue; + + if ((tc->pdev->dev.of_node && tc->id == block) || + (tc->pdev->id == block)) { pdev = tc->pdev; + tc->allocated = true; break; } } - - if (!pdev || tc->iomem) - goto fail; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) - goto fail; - - size = resource_size(r); - r = request_mem_region(r->start, size, name); - if (!r) - goto fail; - - tc->regs = ioremap(r->start, size); - if (!tc->regs) - goto fail_ioremap; - - tc->iomem = r; - -out: spin_unlock(&tc_list_lock); - return tc; -fail_ioremap: - release_mem_region(r->start, size); -fail: - tc = NULL; - goto out; + return pdev ? tc : NULL; } EXPORT_SYMBOL_GPL(atmel_tc_alloc); @@ -96,19 +67,14 @@ EXPORT_SYMBOL_GPL(atmel_tc_alloc); * atmel_tc_free - release a specified TC block * @tc: Timer/counter block that was returned by atmel_tc_alloc() * - * This reverses the effect of atmel_tc_alloc(), unmapping the I/O - * registers, invalidating the resource returned by that routine and - * making the TC available to other drivers. + * This reverses the effect of atmel_tc_alloc(), invalidating the resource + * returned by that routine and making the TC available to other drivers. */ void atmel_tc_free(struct atmel_tc *tc) { spin_lock(&tc_list_lock); - if (tc->regs) { - iounmap(tc->regs); - release_mem_region(tc->iomem->start, resource_size(tc->iomem)); - tc->regs = NULL; - tc->iomem = NULL; - } + if (tc->allocated) + tc->allocated = false; spin_unlock(&tc_list_lock); } EXPORT_SYMBOL_GPL(atmel_tc_free); @@ -142,25 +108,27 @@ static int __init tc_probe(struct platform_device *pdev) struct atmel_tc *tc; struct clk *clk; int irq; - - if (!platform_get_resource(pdev, IORESOURCE_MEM, 0)) - return -EINVAL; + struct resource *r; + unsigned int i; irq = platform_get_irq(pdev, 0); if (irq < 0) return -EINVAL; - tc = kzalloc(sizeof(struct atmel_tc), GFP_KERNEL); + tc = devm_kzalloc(&pdev->dev, sizeof(struct atmel_tc), GFP_KERNEL); if (!tc) return -ENOMEM; tc->pdev = pdev; - clk = clk_get(&pdev->dev, "t0_clk"); - if (IS_ERR(clk)) { - kfree(tc); - return -EINVAL; - } + clk = devm_clk_get(&pdev->dev, "t0_clk"); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + tc->regs = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(tc->regs)) + return PTR_ERR(tc->regs); /* Now take SoC information if available */ if (pdev->dev.of_node) { @@ -168,13 +136,17 @@ static int __init tc_probe(struct platform_device *pdev) match = of_match_node(atmel_tcb_dt_ids, pdev->dev.of_node); if (match) tc->tcb_config = match->data; + + tc->id = of_alias_get_id(tc->pdev->dev.of_node, "tcb"); + } else { + tc->id = pdev->id; } tc->clk[0] = clk; - tc->clk[1] = clk_get(&pdev->dev, "t1_clk"); + tc->clk[1] = devm_clk_get(&pdev->dev, "t1_clk"); if (IS_ERR(tc->clk[1])) tc->clk[1] = clk; - tc->clk[2] = clk_get(&pdev->dev, "t2_clk"); + tc->clk[2] = devm_clk_get(&pdev->dev, "t2_clk"); if (IS_ERR(tc->clk[2])) tc->clk[2] = clk; @@ -186,18 +158,33 @@ static int __init tc_probe(struct platform_device *pdev) if (tc->irq[2] < 0) tc->irq[2] = irq; + for (i = 0; i < 3; i++) + writel(ATMEL_TC_ALL_IRQ, tc->regs + ATMEL_TC_REG(i, IDR)); + spin_lock(&tc_list_lock); list_add_tail(&tc->node, &tc_list); spin_unlock(&tc_list_lock); + platform_set_drvdata(pdev, tc); + return 0; } +static void tc_shutdown(struct platform_device *pdev) +{ + int i; + struct atmel_tc *tc = platform_get_drvdata(pdev); + + for (i = 0; i < 3; i++) + writel(ATMEL_TC_ALL_IRQ, tc->regs + ATMEL_TC_REG(i, IDR)); +} + static struct platform_driver tc_driver = { .driver = { .name = "atmel_tcb", .of_match_table = of_match_ptr(atmel_tcb_dt_ids), }, + .shutdown = tc_shutdown, }; static int __init tc_init(void) diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index f3dcd02390f..d56e5b71743 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -379,7 +379,7 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) return err; } - tc = atmel_tc_alloc(tcblock, "tcb-pwm"); + tc = atmel_tc_alloc(tcblock); if (tc == NULL) { dev_err(&pdev->dev, "failed to allocate Timer Counter Block\n"); return -ENOMEM; diff --git a/include/linux/atmel_tc.h b/include/linux/atmel_tc.h index 89a931babec..b87c1c7c242 100644 --- a/include/linux/atmel_tc.h +++ b/include/linux/atmel_tc.h @@ -44,12 +44,13 @@ struct atmel_tcb_config { /** * struct atmel_tc - information about a Timer/Counter Block * @pdev: physical device - * @iomem: resource associated with the I/O register * @regs: mapping through which the I/O registers can be accessed + * @id: block id * @tcb_config: configuration data from SoC * @irq: irq for each of the three channels * @clk: internal clock source for each of the three channels * @node: list node, for tclib internal use + * @allocated: if already used, for tclib internal use * * On some platforms, each TC channel has its own clocks and IRQs, * while on others, all TC channels share the same clock and IRQ. @@ -61,15 +62,16 @@ struct atmel_tcb_config { */ struct atmel_tc { struct platform_device *pdev; - struct resource *iomem; void __iomem *regs; + int id; const struct atmel_tcb_config *tcb_config; int irq[3]; struct clk *clk[3]; struct list_head node; + bool allocated; }; -extern struct atmel_tc *atmel_tc_alloc(unsigned block, const char *name); +extern struct atmel_tc *atmel_tc_alloc(unsigned block); extern void atmel_tc_free(struct atmel_tc *tc); /* platform-specific ATMEL_TC_TIMER_CLOCKx divisors (0 means 32KiHz) */ @@ -258,5 +260,10 @@ extern const u8 atmel_tc_divisors[5]; #define ATMEL_TC_LDRAS (1 << 5) /* RA loading */ #define ATMEL_TC_LDRBS (1 << 6) /* RB loading */ #define ATMEL_TC_ETRGS (1 << 7) /* external trigger */ +#define ATMEL_TC_ALL_IRQ (ATMEL_TC_COVFS | ATMEL_TC_LOVRS | \ + ATMEL_TC_CPAS | ATMEL_TC_CPBS | \ + ATMEL_TC_CPCS | ATMEL_TC_LDRAS | \ + ATMEL_TC_LDRBS | ATMEL_TC_ETRGS) \ + /* all IRQs */ #endif |