diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/corgi.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 23 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/hardware.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/mioa701_bootresume.S | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/sleep.S | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/standby.S | 4 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/time.c | 162 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/viper.c | 2 |
13 files changed, 37 insertions, 187 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 648867a8caa8..2fe1824c6dcb 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -4,7 +4,7 @@ # Common support (must be linked before board specific support) obj-y += clock.o devices.o generic.o irq.o \ - time.o reset.o + reset.o obj-$(CONFIG_PM) += pm.o sleep.o standby.o # Generic drivers that other drivers may depend upon diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 43596e0ed051..d897292712eb 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -90,7 +90,7 @@ int __init parse_balloon3_features(char *arg) if (!arg) return 0; - return strict_strtoul(arg, 0, &balloon3_features_present); + return kstrtoul(arg, 0, &balloon3_features_present); } early_param("balloon3_features", parse_balloon3_features); diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 91dd1c7cdbcd..06022b235730 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -514,7 +514,7 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = { .gpio_pullup = CORGI_GPIO_USB_PULLUP, }; -#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER) +#if IS_ENABLED(CONFIG_SPI_PXA2XX) static struct pxa2xx_spi_master corgi_spi_info = { .num_chipselect = 3, }; diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 42254175fcf4..630fa916bbc6 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -25,11 +25,13 @@ #include <asm/mach/map.h> #include <asm/mach-types.h> +#include <mach/irqs.h> #include <mach/reset.h> #include <mach/smemc.h> #include <mach/pxa3xx-regs.h> #include "generic.h" +#include <clocksource/pxa.h> void clear_reset_status(unsigned int mask) { @@ -57,6 +59,15 @@ unsigned long get_clock_tick_rate(void) EXPORT_SYMBOL(get_clock_tick_rate); /* + * For non device-tree builds, keep legacy timer init + */ +void pxa_timer_init(void) +{ + pxa_timer_nodt_init(IRQ_OST0, io_p2v(0x40a00000), + get_clock_tick_rate()); +} + +/* * Get the clock frequency as reflected by CCCR and the turbo flag. * We assume these values have been applied via a fcs. * If info is not 0 we also display the current settings. @@ -79,19 +90,15 @@ EXPORT_SYMBOL(get_clk_frequency_khz); */ static struct map_desc common_io_desc[] __initdata = { { /* Devs */ - .virtual = 0xf2000000, - .pfn = __phys_to_pfn(0x40000000), - .length = 0x02000000, - .type = MT_DEVICE - }, { /* UNCACHED_PHYS_0 */ - .virtual = 0xff000000, - .pfn = __phys_to_pfn(0x00000000), - .length = 0x00100000, + .virtual = (unsigned long)PERIPH_VIRT, + .pfn = __phys_to_pfn(PERIPH_PHYS), + .length = PERIPH_SIZE, .type = MT_DEVICE } }; void __init pxa_map_io(void) { + debug_ll_io_init(); iotable_init(ARRAY_AND_SIZE(common_io_desc)); } diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h index ccb06e485520..8d63c211b22f 100644 --- a/arch/arm/mach-pxa/include/mach/hardware.h +++ b/arch/arm/mach-pxa/include/mach/hardware.h @@ -19,8 +19,8 @@ * Workarounds for at least 2 errata so far require this. * The mapping is set in mach-pxa/generic.c. */ -#define UNCACHED_PHYS_0 0xff000000 -#define UNCACHED_ADDR UNCACHED_PHYS_0 +#define UNCACHED_PHYS_0 0xfe000000 +#define UNCACHED_PHYS_0_SIZE 0x00100000 /* * Intel PXA2xx internal register mapping: diff --git a/arch/arm/mach-pxa/mioa701_bootresume.S b/arch/arm/mach-pxa/mioa701_bootresume.S index 324d25a48c85..81591491ab94 100644 --- a/arch/arm/mach-pxa/mioa701_bootresume.S +++ b/arch/arm/mach-pxa/mioa701_bootresume.S @@ -29,7 +29,7 @@ ENTRY(mioa701_jumpaddr) str r1, [r0] @ Early disable resume for next boot ldr r0, mioa701_jumpaddr @ (Murphy's Law) ldr r0, [r0] - mov pc, r0 + ret r0 2: ENTRY(mioa701_bootstrap_lg) diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index f2c28972084d..66e4a2b6316e 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -331,7 +331,12 @@ static struct map_desc pxa25x_io_desc[] __initdata = { { /* Mem Ctl */ .virtual = (unsigned long)SMEMC_VIRT, .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE), - .length = 0x00200000, + .length = SMEMC_SIZE, + .type = MT_DEVICE + }, { /* UNCACHED_PHYS_0 */ + .virtual = UNCACHED_PHYS_0, + .pfn = __phys_to_pfn(0x00000000), + .length = UNCACHED_PHYS_0_SIZE, .type = MT_DEVICE }, }; diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 301471a07a10..b040d7d14888 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -402,12 +402,12 @@ static struct map_desc pxa27x_io_desc[] __initdata = { { /* Mem Ctl */ .virtual = (unsigned long)SMEMC_VIRT, .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE), - .length = 0x00200000, + .length = SMEMC_SIZE, .type = MT_DEVICE - }, { /* IMem ctl */ - .virtual = 0xfe000000, - .pfn = __phys_to_pfn(0x58000000), - .length = 0x00100000, + }, { /* UNCACHED_PHYS_0 */ + .virtual = UNCACHED_PHYS_0, + .pfn = __phys_to_pfn(0x00000000), + .length = UNCACHED_PHYS_0_SIZE, .type = MT_DEVICE }, }; diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 87011f3de69d..593ccd35ca97 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -416,7 +416,7 @@ static struct map_desc pxa3xx_io_desc[] __initdata = { { /* Mem Ctl */ .virtual = (unsigned long)SMEMC_VIRT, .pfn = __phys_to_pfn(PXA3XX_SMEMC_BASE), - .length = 0x00200000, + .length = SMEMC_SIZE, .type = MT_DEVICE } }; diff --git a/arch/arm/mach-pxa/sleep.S b/arch/arm/mach-pxa/sleep.S index 1e544be9905d..6c5b3ffd2cd3 100644 --- a/arch/arm/mach-pxa/sleep.S +++ b/arch/arm/mach-pxa/sleep.S @@ -157,7 +157,7 @@ pxa_cpu_do_suspend: @ Do not reorder... @ Intel PXA270 Specification Update notes problems performing @ external accesses after SDRAM is put in self-refresh mode - @ (see Errata 39 ...hangs when entering self-refresh mode) + @ (see Errata 38 ...hangs when entering self-refresh mode) @ force address lines low by reading at physical address 0 ldr r3, [r2] diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S index 29f5f5c180b7..eab1645bb4ad 100644 --- a/arch/arm/mach-pxa/standby.S +++ b/arch/arm/mach-pxa/standby.S @@ -29,7 +29,7 @@ ENTRY(pxa_cpu_standby) .align 5 1: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby str r1, [r0] @ make sure PSSR_PH/STS are clear - mov pc, lr + ret lr #endif @@ -108,7 +108,7 @@ ENTRY(pm_enter_standby_start) bic r0, r0, #0x20000000 str r0, [r1, #PXA3_DMCIER] - mov pc, lr + ret lr ENTRY(pm_enter_standby_end) #endif diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c deleted file mode 100644 index fca174e3865d..000000000000 --- a/arch/arm/mach-pxa/time.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * arch/arm/mach-pxa/time.c - * - * PXA clocksource, clockevents, and OST interrupt handlers. - * Copyright (c) 2007 by Bill Gatliff <bgat@billgatliff.com>. - * - * Derived from Nicolas Pitre's PXA timer handler Copyright (c) 2001 - * by MontaVista Software, Inc. (Nico, your code rocks!) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/clockchips.h> -#include <linux/sched_clock.h> - -#include <asm/div64.h> -#include <asm/mach/irq.h> -#include <asm/mach/time.h> -#include <mach/regs-ost.h> -#include <mach/irqs.h> - -/* - * This is PXA's sched_clock implementation. This has a resolution - * of at least 308 ns and a maximum value of 208 days. - * - * The return value is guaranteed to be monotonic in that range as - * long as there is always less than 582 seconds between successive - * calls to sched_clock() which should always be the case in practice. - */ - -static u64 notrace pxa_read_sched_clock(void) -{ - return readl_relaxed(OSCR); -} - - -#define MIN_OSCR_DELTA 16 - -static irqreturn_t -pxa_ost0_interrupt(int irq, void *dev_id) -{ - struct clock_event_device *c = dev_id; - - /* Disarm the compare/match, signal the event. */ - writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER); - writel_relaxed(OSSR_M0, OSSR); - c->event_handler(c); - - return IRQ_HANDLED; -} - -static int -pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev) -{ - unsigned long next, oscr; - - writel_relaxed(readl_relaxed(OIER) | OIER_E0, OIER); - next = readl_relaxed(OSCR) + delta; - writel_relaxed(next, OSMR0); - oscr = readl_relaxed(OSCR); - - return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0; -} - -static void -pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev) -{ - switch (mode) { - case CLOCK_EVT_MODE_ONESHOT: - writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER); - writel_relaxed(OSSR_M0, OSSR); - break; - - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - /* initializing, released, or preparing for suspend */ - writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER); - writel_relaxed(OSSR_M0, OSSR); - break; - - case CLOCK_EVT_MODE_RESUME: - case CLOCK_EVT_MODE_PERIODIC: - break; - } -} - -#ifdef CONFIG_PM -static unsigned long osmr[4], oier, oscr; - -static void pxa_timer_suspend(struct clock_event_device *cedev) -{ - osmr[0] = readl_relaxed(OSMR0); - osmr[1] = readl_relaxed(OSMR1); - osmr[2] = readl_relaxed(OSMR2); - osmr[3] = readl_relaxed(OSMR3); - oier = readl_relaxed(OIER); - oscr = readl_relaxed(OSCR); -} - -static void pxa_timer_resume(struct clock_event_device *cedev) -{ - /* - * Ensure that we have at least MIN_OSCR_DELTA between match - * register 0 and the OSCR, to guarantee that we will receive - * the one-shot timer interrupt. We adjust OSMR0 in preference - * to OSCR to guarantee that OSCR is monotonically incrementing. - */ - if (osmr[0] - oscr < MIN_OSCR_DELTA) - osmr[0] += MIN_OSCR_DELTA; - - writel_relaxed(osmr[0], OSMR0); - writel_relaxed(osmr[1], OSMR1); - writel_relaxed(osmr[2], OSMR2); - writel_relaxed(osmr[3], OSMR3); - writel_relaxed(oier, OIER); - writel_relaxed(oscr, OSCR); -} -#else -#define pxa_timer_suspend NULL -#define pxa_timer_resume NULL -#endif - -static struct clock_event_device ckevt_pxa_osmr0 = { - .name = "osmr0", - .features = CLOCK_EVT_FEAT_ONESHOT, - .rating = 200, - .set_next_event = pxa_osmr0_set_next_event, - .set_mode = pxa_osmr0_set_mode, - .suspend = pxa_timer_suspend, - .resume = pxa_timer_resume, -}; - -static struct irqaction pxa_ost0_irq = { - .name = "ost0", - .flags = IRQF_TIMER | IRQF_IRQPOLL, - .handler = pxa_ost0_interrupt, - .dev_id = &ckevt_pxa_osmr0, -}; - -void __init pxa_timer_init(void) -{ - unsigned long clock_tick_rate = get_clock_tick_rate(); - - writel_relaxed(0, OIER); - writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR); - - sched_clock_register(pxa_read_sched_clock, 32, clock_tick_rate); - - ckevt_pxa_osmr0.cpumask = cpumask_of(0); - - setup_irq(IRQ_OST0, &pxa_ost0_irq); - - clocksource_mmio_init(OSCR, "oscr0", clock_tick_rate, 200, 32, - clocksource_mmio_readl_up); - clockevents_config_and_register(&ckevt_pxa_osmr0, clock_tick_rate, - MIN_OSCR_DELTA * 2, 0x7fffffff); -} diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 41f27f667ca8..de3b08073fe7 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -769,7 +769,7 @@ static unsigned long viper_tpm; static int __init viper_tpm_setup(char *str) { - return strict_strtoul(str, 10, &viper_tpm) >= 0; + return kstrtoul(str, 10, &viper_tpm) >= 0; } __setup("tpm=", viper_tpm_setup); |