#include <linux/smp.h>
#include <linux/jiffies.h>
#include <linux/clockchips.h>
- #include <linux/irq.h>
+ #include <linux/interrupt.h>
#include <linux/io.h>
+ #include <linux/of_irq.h>
+ #include <linux/of_address.h>
#include <asm/smp_twd.h>
#include <asm/localtimer.h>
#include <asm/hardware/gic.h>
/* set up by the platform code */
- void __iomem *twd_base;
+ static void __iomem *twd_base;
static struct clk *twd_clk;
static unsigned long twd_timer_rate;
static struct clock_event_device __percpu **twd_evt;
+ static int twd_ppi;
static void twd_set_mode(enum clock_event_mode mode,
struct clock_event_device *clk)
* If a local timer interrupt has occurred, acknowledge and return 1.
* Otherwise, return 0.
*/
- int twd_timer_ack(void)
+ static int twd_timer_ack(void)
{
if (__raw_readl(twd_base + TWD_TIMER_INTSTAT)) {
__raw_writel(1, twd_base + TWD_TIMER_INTSTAT);
return 0;
}
- void twd_timer_stop(struct clock_event_device *clk)
+ static void twd_timer_stop(struct clock_event_device *clk)
{
twd_set_mode(CLOCK_EVT_MODE_UNUSED, clk);
disable_percpu_irq(clk->irq);
static int twd_cpufreq_init(void)
{
- if (!IS_ERR(twd_clk))
+ if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
return cpufreq_register_notifier(&twd_cpufreq_nb,
CPUFREQ_TRANSITION_NOTIFIER);
/*
* Setup the local clock events for a CPU.
*/
- void __cpuinit twd_timer_setup(struct clock_event_device *clk)
+ static int __cpuinit twd_timer_setup(struct clock_event_device *clk)
{
struct clock_event_device **this_cpu_clk;
- if (!twd_evt) {
- int err;
-
- twd_evt = alloc_percpu(struct clock_event_device *);
- if (!twd_evt) {
- pr_err("twd: can't allocate memory\n");
- return;
- }
-
- err = request_percpu_irq(clk->irq, twd_handler,
- "twd", twd_evt);
- if (err) {
- pr_err("twd: can't register interrupt %d (%d)\n",
- clk->irq, err);
- return;
- }
- }
-
if (!twd_clk)
twd_clk = twd_get_clock();
clk->rating = 350;
clk->set_mode = twd_set_mode;
clk->set_next_event = twd_set_next_event;
+ clk->irq = twd_ppi;
this_cpu_clk = __this_cpu_ptr(twd_evt);
*this_cpu_clk = clk;
clockevents_config_and_register(clk, twd_timer_rate,
0xf, 0xffffffff);
enable_percpu_irq(clk->irq, 0);
+
+ return 0;
+ }
+
+ static struct local_timer_ops twd_lt_ops __cpuinitdata = {
+ .setup = twd_timer_setup,
+ .stop = twd_timer_stop,
+ };
+
+ static int __init twd_local_timer_common_register(void)
+ {
+ int err;
+
+ twd_evt = alloc_percpu(struct clock_event_device *);
+ if (!twd_evt) {
+ err = -ENOMEM;
+ goto out_free;
+ }
+
+ err = request_percpu_irq(twd_ppi, twd_handler, "twd", twd_evt);
+ if (err) {
+ pr_err("twd: can't register interrupt %d (%d)\n", twd_ppi, err);
+ goto out_free;
+ }
+
+ err = local_timer_register(&twd_lt_ops);
+ if (err)
+ goto out_irq;
+
+ return 0;
+
+ out_irq:
+ free_percpu_irq(twd_ppi, twd_evt);
+ out_free:
+ iounmap(twd_base);
+ twd_base = NULL;
+ free_percpu(twd_evt);
+
+ return err;
}
+
+ int __init twd_local_timer_register(struct twd_local_timer *tlt)
+ {
+ if (twd_base || twd_evt)
+ return -EBUSY;
+
+ twd_ppi = tlt->res[1].start;
+
+ twd_base = ioremap(tlt->res[0].start, resource_size(&tlt->res[0]));
+ if (!twd_base)
+ return -ENOMEM;
+
+ return twd_local_timer_common_register();
+ }
+
+ #ifdef CONFIG_OF
+ const static struct of_device_id twd_of_match[] __initconst = {
+ { .compatible = "arm,cortex-a9-twd-timer", },
+ { .compatible = "arm,cortex-a5-twd-timer", },
+ { .compatible = "arm,arm11mp-twd-timer", },
+ { },
+ };
+
+ void __init twd_local_timer_of_register(void)
+ {
+ struct device_node *np;
+ int err;
+
+ np = of_find_matching_node(NULL, twd_of_match);
+ if (!np) {
+ err = -ENODEV;
+ goto out;
+ }
+
+ twd_ppi = irq_of_parse_and_map(np, 0);
+ if (!twd_ppi) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ twd_base = of_iomap(np, 0);
+ if (!twd_base) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ err = twd_local_timer_common_register();
+
+ out:
+ WARN(err, "twd_local_timer_of_register failed (%d)\n", err);
+ }
+ #endif
obj-$(CONFIG_MACH_PCA100) += mach-pca100.o
obj-$(CONFIG_MACH_MXT_TD60) += mach-mxt_td60.o
obj-$(CONFIG_MACH_IMX27IPCAM) += mach-imx27ipcam.o
+obj-$(CONFIG_MACH_IMX27_DT) += imx27-dt.o
# i.MX31 based machines
obj-$(CONFIG_MACH_MX31ADS) += mach-mx31ads.o
AFLAGS_head-v7.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
- obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o
ifeq ($(CONFIG_PM),y)
#include <linux/of_platform.h>
#include <linux/phy.h>
#include <linux/micrel_phy.h>
+ #include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS;
gpio_irq_base -= 32;
- irq_domain_add_simple(np, gpio_irq_base);
+ irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops,
+ NULL);
return 0;
}
static void __init imx6q_timer_init(void)
{
mx6q_clocks_init();
+ twd_local_timer_of_register();
}
static struct sys_timer imx6q_timer = {
static const char *imx6q_dt_compat[] __initdata = {
"fsl,imx6q-arm2",
"fsl,imx6q-sabrelite",
+ "fsl,imx6q",
NULL,
};
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
+ #include <asm/mach/time.h>
#include <plat/gpio-nomadik.h>
#include <plat/mtu.h>
- #include <mach/setup.h>
#include <mach/nand.h>
#include <mach/fsmc.h>
#endif
}
-#define __MEM_4K_RESOURCE(x) \
- .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
+static AMBA_APB_DEVICE(uart0, "uart0", 0, NOMADIK_UART0_BASE,
+ { IRQ_UART0 }, NULL);
-static struct amba_device uart0_device = {
- .dev = { .init_name = "uart0" },
- __MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
- .irq = {IRQ_UART0, NO_IRQ},
-};
-
-static struct amba_device uart1_device = {
- .dev = { .init_name = "uart1" },
- __MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
- .irq = {IRQ_UART1, NO_IRQ},
-};
+static AMBA_APB_DEVICE(uart1, "uart1", 0, NOMADIK_UART1_BASE,
+ { IRQ_UART1 }, NULL);
static struct amba_device *amba_devs[] __initdata = {
&uart0_device,
src_cr |= SRC_CR_INIT_VAL;
writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
- /* Save global pointer to mtu, used by platform timer code */
- mtu_base = io_p2v(NOMADIK_MTU0_BASE);
-
- nmdk_timer_init();
+ nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE));
}
static struct sys_timer nomadik_timer = {
#include <asm/pgtable.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
- #include <asm/localtimer.h>
+ #include <asm/smp_twd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
/*
* These devices are connected via the core APB bridge
*/
-#define GPIO2_IRQ { IRQ_EB_GPIO2, NO_IRQ }
-#define GPIO3_IRQ { IRQ_EB_GPIO3, NO_IRQ }
+#define GPIO2_IRQ { IRQ_EB_GPIO2 }
+#define GPIO3_IRQ { IRQ_EB_GPIO3 }
-#define AACI_IRQ { IRQ_EB_AACI, NO_IRQ }
+#define AACI_IRQ { IRQ_EB_AACI }
#define MMCI0_IRQ { IRQ_EB_MMCI0A, IRQ_EB_MMCI0B }
-#define KMI0_IRQ { IRQ_EB_KMI0, NO_IRQ }
-#define KMI1_IRQ { IRQ_EB_KMI1, NO_IRQ }
+#define KMI0_IRQ { IRQ_EB_KMI0 }
+#define KMI1_IRQ { IRQ_EB_KMI1 }
/*
* These devices are connected directly to the multi-layer AHB switch
*/
-#define EB_SMC_IRQ { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ { NO_IRQ, NO_IRQ }
-#define EB_CLCD_IRQ { IRQ_EB_CLCD, NO_IRQ }
-#define DMAC_IRQ { IRQ_EB_DMA, NO_IRQ }
+#define EB_SMC_IRQ { }
+#define MPMC_IRQ { }
+#define EB_CLCD_IRQ { IRQ_EB_CLCD }
+#define DMAC_IRQ { IRQ_EB_DMA }
/*
* These devices are connected via the core APB bridge
*/
-#define SCTL_IRQ { NO_IRQ, NO_IRQ }
-#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG, NO_IRQ }
-#define EB_GPIO0_IRQ { IRQ_EB_GPIO0, NO_IRQ }
-#define GPIO1_IRQ { IRQ_EB_GPIO1, NO_IRQ }
-#define EB_RTC_IRQ { IRQ_EB_RTC, NO_IRQ }
+#define SCTL_IRQ { }
+#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG }
+#define EB_GPIO0_IRQ { IRQ_EB_GPIO0 }
+#define GPIO1_IRQ { IRQ_EB_GPIO1 }
+#define EB_RTC_IRQ { IRQ_EB_RTC }
/*
* These devices are connected via the DMA APB bridge
*/
-#define SCI_IRQ { IRQ_EB_SCI, NO_IRQ }
-#define EB_UART0_IRQ { IRQ_EB_UART0, NO_IRQ }
-#define EB_UART1_IRQ { IRQ_EB_UART1, NO_IRQ }
-#define EB_UART2_IRQ { IRQ_EB_UART2, NO_IRQ }
-#define EB_UART3_IRQ { IRQ_EB_UART3, NO_IRQ }
-#define EB_SSP_IRQ { IRQ_EB_SSP, NO_IRQ }
+#define SCI_IRQ { IRQ_EB_SCI }
+#define EB_UART0_IRQ { IRQ_EB_UART0 }
+#define EB_UART1_IRQ { IRQ_EB_UART1 }
+#define EB_UART2_IRQ { IRQ_EB_UART2 }
+#define EB_UART3_IRQ { IRQ_EB_UART3 }
+#define EB_SSP_IRQ { IRQ_EB_SSP }
/* FPGA Primecells */
-AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
-AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
-AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
-AMBA_DEVICE(uart3, "fpga:uart3", EB_UART3, NULL);
+APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
+APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
+APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
+APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
+APB_DEVICE(uart3, "fpga:uart3", EB_UART3, NULL);
/* DevChip Primecells */
-AMBA_DEVICE(smc, "dev:smc", EB_SMC, NULL);
-AMBA_DEVICE(clcd, "dev:clcd", EB_CLCD, &clcd_plat_data);
-AMBA_DEVICE(dmac, "dev:dmac", DMAC, NULL);
-AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
-AMBA_DEVICE(wdog, "dev:wdog", EB_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0, "dev:gpio0", EB_GPIO0, &gpio0_plat_data);
-AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
-AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
-AMBA_DEVICE(rtc, "dev:rtc", EB_RTC, NULL);
-AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
-AMBA_DEVICE(uart0, "dev:uart0", EB_UART0, NULL);
-AMBA_DEVICE(uart1, "dev:uart1", EB_UART1, NULL);
-AMBA_DEVICE(uart2, "dev:uart2", EB_UART2, NULL);
-AMBA_DEVICE(ssp0, "dev:ssp0", EB_SSP, &ssp0_plat_data);
+AHB_DEVICE(smc, "dev:smc", EB_SMC, NULL);
+AHB_DEVICE(clcd, "dev:clcd", EB_CLCD, &clcd_plat_data);
+AHB_DEVICE(dmac, "dev:dmac", DMAC, NULL);
+AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
+APB_DEVICE(wdog, "dev:wdog", EB_WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:gpio0", EB_GPIO0, &gpio0_plat_data);
+APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
+APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
+APB_DEVICE(rtc, "dev:rtc", EB_RTC, NULL);
+APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
+APB_DEVICE(uart0, "dev:uart0", EB_UART0, NULL);
+APB_DEVICE(uart1, "dev:uart1", EB_UART1, NULL);
+APB_DEVICE(uart2, "dev:uart2", EB_UART2, NULL);
+APB_DEVICE(ssp0, "dev:ssp0", EB_SSP, &ssp0_plat_data);
static struct amba_device *amba_devs[] __initdata = {
&dmac_device,
realview_eb_isp1761_resources[1].end = IRQ_EB11MP_USB;
}
+ #ifdef CONFIG_HAVE_ARM_TWD
+ static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ REALVIEW_EB11MP_TWD_BASE,
+ IRQ_LOCALTIMER);
+
+ static void __init realview_eb_twd_init(void)
+ {
+ if (core_tile_eb11mp() || core_tile_a9mp()) {
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+ }
+ }
+ #else
+ #define realview_eb_twd_init() do { } while(0)
+ #endif
+
static void __init realview_eb_timer_init(void)
{
unsigned int timer_irq;
timer2_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE);
timer3_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE) + 0x20;
- if (core_tile_eb11mp() || core_tile_a9mp()) {
- #ifdef CONFIG_LOCAL_TIMERS
- twd_base = __io_address(REALVIEW_EB11MP_TWD_BASE);
- #endif
+ if (core_tile_eb11mp() || core_tile_a9mp())
timer_irq = IRQ_EB11MP_TIMER0_1;
- } else
+ else
timer_irq = IRQ_EB_TIMER0_1;
realview_timer_init(timer_irq);
+ realview_eb_twd_init();
}
static struct sys_timer realview_eb_timer = {
#include <asm/pgtable.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
- #include <asm/localtimer.h>
+ #include <asm/smp_twd.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
* RealView PB11MPCore AMBA devices
*/
-#define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
-#define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
-#define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
+#define GPIO2_IRQ { IRQ_PB11MP_GPIO2 }
+#define GPIO3_IRQ { IRQ_PB11MP_GPIO3 }
+#define AACI_IRQ { IRQ_TC11MP_AACI }
#define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
-#define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
-#define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
-#define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ { NO_IRQ, NO_IRQ }
-#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
-#define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
-#define SCTL_IRQ { NO_IRQ, NO_IRQ }
-#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
-#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
-#define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
-#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
-#define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
-#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
-#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
-#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
-#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
-#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
+#define KMI0_IRQ { IRQ_TC11MP_KMI0 }
+#define KMI1_IRQ { IRQ_TC11MP_KMI1 }
+#define PB11MP_SMC_IRQ { }
+#define MPMC_IRQ { }
+#define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD }
+#define DMAC_IRQ { IRQ_PB11MP_DMAC }
+#define SCTL_IRQ { }
+#define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG }
+#define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0 }
+#define GPIO1_IRQ { IRQ_PB11MP_GPIO1 }
+#define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC }
+#define SCI_IRQ { IRQ_PB11MP_SCI }
+#define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0 }
+#define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1 }
+#define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2 }
+#define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3 }
+#define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP }
/* FPGA Primecells */
-AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
-AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
-AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
-AMBA_DEVICE(uart3, "fpga:uart3", PB11MP_UART3, NULL);
+APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
+APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
+APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
+APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
+APB_DEVICE(uart3, "fpga:uart3", PB11MP_UART3, NULL);
/* DevChip Primecells */
-AMBA_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL);
-AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
-AMBA_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0, "dev:gpio0", PB11MP_GPIO0, &gpio0_plat_data);
-AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
-AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
-AMBA_DEVICE(rtc, "dev:rtc", PB11MP_RTC, NULL);
-AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
-AMBA_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL);
-AMBA_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL);
-AMBA_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL);
-AMBA_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, &ssp0_plat_data);
+AHB_DEVICE(smc, "dev:smc", PB11MP_SMC, NULL);
+AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
+APB_DEVICE(wdog, "dev:wdog", PB11MP_WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:gpio0", PB11MP_GPIO0, &gpio0_plat_data);
+APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
+APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
+APB_DEVICE(rtc, "dev:rtc", PB11MP_RTC, NULL);
+APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
+APB_DEVICE(uart0, "dev:uart0", PB11MP_UART0, NULL);
+APB_DEVICE(uart1, "dev:uart1", PB11MP_UART1, NULL);
+APB_DEVICE(uart2, "dev:uart2", PB11MP_UART2, NULL);
+APB_DEVICE(ssp0, "dev:ssp0", PB11MP_SSP, &ssp0_plat_data);
/* Primecells on the NEC ISSP chip */
-AMBA_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data);
-AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
+AHB_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data);
+AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL);
static struct amba_device *amba_devs[] __initdata = {
&dmac_device,
gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
}
+ #ifdef CONFIG_HAVE_ARM_TWD
+ static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ REALVIEW_TC11MP_TWD_BASE,
+ IRQ_LOCALTIMER);
+
+ static void __init realview_pb11mp_twd_init(void)
+ {
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+ }
+ #else
+ #define realview_pb11mp_twd_init() do {} while(0)
+ #endif
+
static void __init realview_pb11mp_timer_init(void)
{
timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE);
timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20;
- #ifdef CONFIG_LOCAL_TIMERS
- twd_base = __io_address(REALVIEW_TC11MP_TWD_BASE);
- #endif
realview_timer_init(IRQ_TC11MP_TIMER0_1);
+ realview_pb11mp_twd_init();
}
static struct sys_timer realview_pb11mp_timer = {
* RealView PBXCore AMBA devices
*/
-#define GPIO2_IRQ { IRQ_PBX_GPIO2, NO_IRQ }
-#define GPIO3_IRQ { IRQ_PBX_GPIO3, NO_IRQ }
-#define AACI_IRQ { IRQ_PBX_AACI, NO_IRQ }
+#define GPIO2_IRQ { IRQ_PBX_GPIO2 }
+#define GPIO3_IRQ { IRQ_PBX_GPIO3 }
+#define AACI_IRQ { IRQ_PBX_AACI }
#define MMCI0_IRQ { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
-#define KMI0_IRQ { IRQ_PBX_KMI0, NO_IRQ }
-#define KMI1_IRQ { IRQ_PBX_KMI1, NO_IRQ }
-#define PBX_SMC_IRQ { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ { NO_IRQ, NO_IRQ }
-#define PBX_CLCD_IRQ { IRQ_PBX_CLCD, NO_IRQ }
-#define DMAC_IRQ { IRQ_PBX_DMAC, NO_IRQ }
-#define SCTL_IRQ { NO_IRQ, NO_IRQ }
-#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG, NO_IRQ }
-#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0, NO_IRQ }
-#define GPIO1_IRQ { IRQ_PBX_GPIO1, NO_IRQ }
-#define PBX_RTC_IRQ { IRQ_PBX_RTC, NO_IRQ }
-#define SCI_IRQ { IRQ_PBX_SCI, NO_IRQ }
-#define PBX_UART0_IRQ { IRQ_PBX_UART0, NO_IRQ }
-#define PBX_UART1_IRQ { IRQ_PBX_UART1, NO_IRQ }
-#define PBX_UART2_IRQ { IRQ_PBX_UART2, NO_IRQ }
-#define PBX_UART3_IRQ { IRQ_PBX_UART3, NO_IRQ }
-#define PBX_SSP_IRQ { IRQ_PBX_SSP, NO_IRQ }
+#define KMI0_IRQ { IRQ_PBX_KMI0 }
+#define KMI1_IRQ { IRQ_PBX_KMI1 }
+#define PBX_SMC_IRQ { }
+#define MPMC_IRQ { }
+#define PBX_CLCD_IRQ { IRQ_PBX_CLCD }
+#define DMAC_IRQ { IRQ_PBX_DMAC }
+#define SCTL_IRQ { }
+#define PBX_WATCHDOG_IRQ { IRQ_PBX_WATCHDOG }
+#define PBX_GPIO0_IRQ { IRQ_PBX_GPIO0 }
+#define GPIO1_IRQ { IRQ_PBX_GPIO1 }
+#define PBX_RTC_IRQ { IRQ_PBX_RTC }
+#define SCI_IRQ { IRQ_PBX_SCI }
+#define PBX_UART0_IRQ { IRQ_PBX_UART0 }
+#define PBX_UART1_IRQ { IRQ_PBX_UART1 }
+#define PBX_UART2_IRQ { IRQ_PBX_UART2 }
+#define PBX_UART3_IRQ { IRQ_PBX_UART3 }
+#define PBX_SSP_IRQ { IRQ_PBX_SSP }
/* FPGA Primecells */
-AMBA_DEVICE(aaci, "fpga:aaci", AACI, NULL);
-AMBA_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
-AMBA_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
-AMBA_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
+APB_DEVICE(aaci, "fpga:aaci", AACI, NULL);
+APB_DEVICE(mmc0, "fpga:mmc0", MMCI0, &realview_mmc0_plat_data);
+APB_DEVICE(kmi0, "fpga:kmi0", KMI0, NULL);
+APB_DEVICE(kmi1, "fpga:kmi1", KMI1, NULL);
+APB_DEVICE(uart3, "fpga:uart3", PBX_UART3, NULL);
/* DevChip Primecells */
-AMBA_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
-AMBA_DEVICE(sctl, "dev:sctl", SCTL, NULL);
-AMBA_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
-AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
-AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
-AMBA_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
-AMBA_DEVICE(sci0, "dev:sci0", SCI, NULL);
-AMBA_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
-AMBA_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
-AMBA_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
-AMBA_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
+AHB_DEVICE(smc, "dev:smc", PBX_SMC, NULL);
+AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
+APB_DEVICE(wdog, "dev:wdog", PBX_WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:gpio0", PBX_GPIO0, &gpio0_plat_data);
+APB_DEVICE(gpio1, "dev:gpio1", GPIO1, &gpio1_plat_data);
+APB_DEVICE(gpio2, "dev:gpio2", GPIO2, &gpio2_plat_data);
+APB_DEVICE(rtc, "dev:rtc", PBX_RTC, NULL);
+APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
+APB_DEVICE(uart0, "dev:uart0", PBX_UART0, NULL);
+APB_DEVICE(uart1, "dev:uart1", PBX_UART1, NULL);
+APB_DEVICE(uart2, "dev:uart2", PBX_UART2, NULL);
+APB_DEVICE(ssp0, "dev:ssp0", PBX_SSP, &ssp0_plat_data);
/* Primecells on the NEC ISSP chip */
-AMBA_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
-AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
+AHB_DEVICE(clcd, "issp:clcd", PBX_CLCD, &clcd_plat_data);
+AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL);
static struct amba_device *amba_devs[] __initdata = {
&dmac_device,
}
}
+ #ifdef CONFIG_HAVE_ARM_TWD
+ static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ REALVIEW_PBX_TILE_TWD_BASE,
+ IRQ_LOCALTIMER);
+
+ static void __init realview_pbx_twd_init(void)
+ {
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+ }
+ #else
+ #define realview_pbx_twd_init() do { } while(0)
+ #endif
+
static void __init realview_pbx_timer_init(void)
{
timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
- #ifdef CONFIG_LOCAL_TIMERS
- if (core_tile_pbx11mp() || core_tile_pbxa9mp())
- twd_base = __io_address(REALVIEW_PBX_TILE_TWD_BASE);
- #endif
realview_timer_init(IRQ_PBX_TIMER0_1);
+ realview_pbx_twd_init();
}
static struct sys_timer realview_pbx_timer = {
static DEFINE_SPINLOCK(scu_lock);
static unsigned long tmp;
+ static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
+
static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
{
void __iomem *scu_base = scu_base_addr();
{
void __iomem *scu_base = scu_base_addr();
- #ifdef CONFIG_HAVE_ARM_TWD
- /* twd_base needs to be initialized before percpu_timer_setup() */
- twd_base = (void __iomem *)0xf0000600;
- #endif
-
+ shmobile_twd_init(&twd_local_timer);
return scu_get_core_count(scu_base);
}
/* enable cache coherency */
modify_scu_cpu_psr(0, 3 << (cpu * 8));
- if (((__raw_readw(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
+ if (((__raw_readl(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
__raw_writel(1 << cpu, __io(WUPCR)); /* wake up */
else
__raw_writel(1 << cpu, __io(SRESCR)); /* reset */
#include "devices-common.h"
struct amba_device *
- dbx500_add_amba_device(const char *name, resource_size_t base,
- int irq, void *pdata, unsigned int periphid)
+ dbx500_add_amba_device(struct device *parent, const char *name,
+ resource_size_t base, int irq, void *pdata,
+ unsigned int periphid)
{
struct amba_device *dev;
int ret;
- dev = kzalloc(sizeof *dev, GFP_KERNEL);
+ dev = amba_device_alloc(name, base, SZ_4K);
if (!dev)
return ERR_PTR(-ENOMEM);
- dev->dev.init_name = name;
-
- dev->res.start = base;
- dev->res.end = base + SZ_4K - 1;
- dev->res.flags = IORESOURCE_MEM;
-
dev->dma_mask = DMA_BIT_MASK(32);
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
dev->irq[0] = irq;
- dev->irq[1] = NO_IRQ;
dev->periphid = periphid;
dev->dev.platform_data = pdata;
+ dev->dev.parent = parent;
+
- ret = amba_device_register(dev, &iomem_resource);
+ ret = amba_device_add(dev, &iomem_resource);
if (ret) {
- kfree(dev);
+ amba_device_put(dev);
return ERR_PTR(ret);
}
}
static struct platform_device *
- dbx500_add_platform_device(const char *name, int id, void *pdata,
- struct resource *res, int resnum)
- {
- struct platform_device *dev;
- int ret;
-
- dev = platform_device_alloc(name, id);
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
- dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
- dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
-
- ret = platform_device_add_resources(dev, res, resnum);
- if (ret)
- goto out_free;
-
- dev->dev.platform_data = pdata;
-
- ret = platform_device_add(dev);
- if (ret)
- goto out_free;
-
- return dev;
-
- out_free:
- platform_device_put(dev);
- return ERR_PTR(ret);
- }
-
- struct platform_device *
- dbx500_add_platform_device_4k1irq(const char *name, int id,
- resource_size_t base,
- int irq, void *pdata)
- {
- struct resource resources[] = {
- [0] = {
- .start = base,
- .end = base + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = irq,
- .end = irq,
- .flags = IORESOURCE_IRQ,
- }
- };
-
- return dbx500_add_platform_device(name, id, pdata, resources,
- ARRAY_SIZE(resources));
- }
-
- static struct platform_device *
- dbx500_add_gpio(int id, resource_size_t addr, int irq,
+ dbx500_add_gpio(struct device *parent, int id, resource_size_t addr, int irq,
struct nmk_gpio_platform_data *pdata)
{
struct resource resources[] = {
}
};
- return platform_device_register_resndata(NULL, "gpio", id,
- resources, ARRAY_SIZE(resources),
- pdata, sizeof(*pdata));
+ return platform_device_register_resndata(
+ parent,
+ "gpio",
+ id,
+ resources,
+ ARRAY_SIZE(resources),
+ pdata,
+ sizeof(*pdata));
}
- void dbx500_add_gpios(resource_size_t *base, int num, int irq,
- struct nmk_gpio_platform_data *pdata)
+ void dbx500_add_gpios(struct device *parent, resource_size_t *base, int num,
+ int irq, struct nmk_gpio_platform_data *pdata)
{
int first = 0;
int i;
pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
pdata->num_gpio = 32;
- dbx500_add_gpio(i, base[i], irq, pdata);
+ dbx500_add_gpio(parent, i, base[i], irq, pdata);
}
}
static void __init ct_ca9x4_map_io(void)
{
iotable_init(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
- #ifdef CONFIG_LOCAL_TIMERS
- twd_base = ioremap(A9_MPCORE_TWD, SZ_32);
- #endif
}
+ #ifdef CONFIG_HAVE_ARM_TWD
+ static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, A9_MPCORE_TWD, IRQ_LOCALTIMER);
+
+ static void __init ca9x4_twd_init(void)
+ {
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+ }
+ #else
+ #define ca9x4_twd_init() do {} while(0)
+ #endif
+
static void __init ct_ca9x4_init_irq(void)
{
gic_init(0, 29, ioremap(A9_MPCORE_GIC_DIST, SZ_4K),
ioremap(A9_MPCORE_GIC_CPU, SZ_256));
+ ca9x4_twd_init();
}
static void ct_ca9x4_clcd_enable(struct clcd_fb *fb)
.remove = versatile_clcd_remove_dma,
};
-static AMBA_DEVICE(clcd, "ct:clcd", CT_CA9X4_CLCDC, &ct_ca9x4_clcd_data);
-static AMBA_DEVICE(dmc, "ct:dmc", CT_CA9X4_DMC, NULL);
-static AMBA_DEVICE(smc, "ct:smc", CT_CA9X4_SMC, NULL);
-static AMBA_DEVICE(gpio, "ct:gpio", CT_CA9X4_GPIO, NULL);
+static AMBA_AHB_DEVICE(clcd, "ct:clcd", 0, CT_CA9X4_CLCDC, IRQ_CT_CA9X4_CLCDC, &ct_ca9x4_clcd_data);
+static AMBA_APB_DEVICE(dmc, "ct:dmc", 0, CT_CA9X4_DMC, IRQ_CT_CA9X4_DMC, NULL);
+static AMBA_APB_DEVICE(smc, "ct:smc", 0, CT_CA9X4_SMC, IRQ_CT_CA9X4_SMC, NULL);
+static AMBA_APB_DEVICE(gpio, "ct:gpio", 0, CT_CA9X4_GPIO, IRQ_CT_CA9X4_GPIO, NULL);
static struct amba_device *ct_ca9x4_amba_devs[] __initdata = {
&clcd_device,
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
+ config ARCH_HAS_CPU_AUTOPROBE
+ def_bool y
+
config HAVE_SETUP_PER_CPU_AREA
def_bool y
select X86_REBOOTFIXUPS
select OF
select OF_EARLY_FLATTREE
+ select IRQ_DOMAIN
---help---
Select for the Intel CE media processor (CE4100) SOC.
This option compiles in support for the CE4100 SOC for settop
select GPIOLIB
select OF
select OF_PROMTREE
+ select IRQ_DOMAIN
---help---
Add support for detecting the unique features of the OLPC
XO hardware.
void *function;
};
+#define ___cat(a,b) a ## b
+#define __cat(a,b) ___cat(a,b)
+
+/* we need some special handling for this host tool running eventually on
+ * Darwin. The Mach-O section handling is a bit different than ELF section
+ * handling. The differnces in detail are:
+ * a) we have segments which have sections
+ * b) we need a API call to get the respective section symbols */
+#if defined(__MACH__)
+#include <mach-o/getsect.h>
+
+#define INIT_SECTION(name) do { \
+ unsigned long name ## _len; \
+ char *__cat(pstart_,name) = getsectdata("__TEXT", \
+ #name, &__cat(name,_len)); \
+ char *__cat(pstop_,name) = __cat(pstart_,name) + \
+ __cat(name, _len); \
+ __cat(__start_,name) = (void *)__cat(pstart_,name); \
+ __cat(__stop_,name) = (void *)__cat(pstop_,name); \
+ } while (0)
+#define SECTION(name) __attribute__((section("__TEXT, " #name)))
+
+struct devtable **__start___devtable, **__stop___devtable;
+#else
+#define INIT_SECTION(name) /* no-op for ELF */
+#define SECTION(name) __attribute__((section(#name)))
+
/* We construct a table of pointers in an ELF section (pointers generally
* go unpadded by gcc). ld creates boundary syms for us. */
extern struct devtable *__start___devtable[], *__stop___devtable[];
-#define ___cat(a,b) a ## b
-#define __cat(a,b) ___cat(a,b)
+#endif /* __MACH__ */
#if __GNUC__ == 3 && __GNUC_MINOR__ < 3
# define __used __attribute__((__unused__))
(type *)NULL, \
(char *)NULL)), \
sizeof(type), (function) }; \
- static struct devtable *__attribute__((section("__devtable"))) \
- __used __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
+ static struct devtable *SECTION(__devtable) __used \
+ __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
#define ADD(str, sep, cond, field) \
do { \
}
ADD_TO_DEVTABLE("amba", struct amba_id, do_amba_entry);
+ /* LOOKS like x86cpu:vendor:VVVV:family:FFFF:model:MMMM:feature:*,FEAT,*
+ * All fields are numbers. It would be nicer to use strings for vendor
+ * and feature, but getting those out of the build system here is too
+ * complicated.
+ */
+
+ static int do_x86cpu_entry(const char *filename, struct x86_cpu_id *id,
+ char *alias)
+ {
+ id->feature = TO_NATIVE(id->feature);
+ id->family = TO_NATIVE(id->family);
+ id->model = TO_NATIVE(id->model);
+ id->vendor = TO_NATIVE(id->vendor);
+
+ strcpy(alias, "x86cpu:");
+ ADD(alias, "vendor:", id->vendor != X86_VENDOR_ANY, id->vendor);
+ ADD(alias, ":family:", id->family != X86_FAMILY_ANY, id->family);
+ ADD(alias, ":model:", id->model != X86_MODEL_ANY, id->model);
+ ADD(alias, ":feature:*,", id->feature != X86_FEATURE_ANY, id->feature);
+ strcat(alias, ",*");
+ return 1;
+ }
+ ADD_TO_DEVTABLE("x86cpu", struct x86_cpu_id, do_x86cpu_entry);
+
/* Does namelen bytes of name exactly match the symbol? */
static bool sym_is(const char *name, unsigned namelen, const char *symbol)
{
do_pnp_card_entries(symval, sym->st_size, mod);
else {
struct devtable **p;
+ INIT_SECTION(__devtable);
for (p = __start___devtable; p < __stop___devtable; p++) {
if (sym_is(name, namelen, (*p)->device_id)) {
projects / linux-flexiantxendom0-3.2.10.git / commitdiff