diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7779.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7779.c | 102 |
1 files changed, 81 insertions, 21 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index 41bab625341e..b5b2f787da2e 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -22,14 +22,16 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqchip/arm-gic.h> #include <linux/of_platform.h> #include <linux/platform_data/gpio-rcar.h> +#include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> #include <linux/serial_sci.h> -#include <linux/sh_intc.h> #include <linux/sh_timer.h> #include <linux/dma-mapping.h> #include <linux/usb/otg.h> @@ -37,7 +39,6 @@ #include <linux/usb/ehci_pdriver.h> #include <linux/usb/ohci_pdriver.h> #include <linux/pm_runtime.h> -#include <mach/hardware.h> #include <mach/irqs.h> #include <mach/r8a7779.h> #include <mach/common.h> @@ -69,6 +70,60 @@ void __init r8a7779_map_io(void) iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); } +/* IRQ */ +#define INT2SMSKCR0 IOMEM(0xfe7822a0) +#define INT2SMSKCR1 IOMEM(0xfe7822a4) +#define INT2SMSKCR2 IOMEM(0xfe7822a8) +#define INT2SMSKCR3 IOMEM(0xfe7822ac) +#define INT2SMSKCR4 IOMEM(0xfe7822b0) + +#define INT2NTSR0 IOMEM(0xfe700060) +#define INT2NTSR1 IOMEM(0xfe700064) + +static struct renesas_intc_irqpin_config irqpin0_platform_data __initdata = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ + .sense_bitfield_width = 2, +}; + +static struct resource irqpin0_resources[] __initdata = { + DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */ + DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */ + DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */ + DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */ + DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */ + DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ +}; + +void __init r8a7779_init_irq_extpin(int irlm) +{ + void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); + u32 tmp; + + if (!icr0) { + pr_warn("r8a7779: unable to setup external irq pin mode\n"); + return; + } + + tmp = ioread32(icr0); + if (irlm) + tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */ + else + tmp &= ~(1 << 23); /* IRL mode - not supported */ + tmp |= (1 << 21); /* LVLMODE = 1 */ + iowrite32(tmp, icr0); + iounmap(icr0); + + if (irlm) + platform_device_register_resndata( + &platform_bus, "renesas_intc_irqpin", -1, + irqpin0_resources, ARRAY_SIZE(irqpin0_resources), + &irqpin0_platform_data, sizeof(irqpin0_platform_data)); +} + +/* PFC/GPIO */ static struct resource r8a7779_pfc_resources[] = { DEFINE_RES_MEM(0xfffc0000, 0x023c), }; @@ -388,15 +443,6 @@ static struct platform_device sata_device = { }, }; -/* USB PHY */ -static struct resource usb_phy_resources[] __initdata = { - [0] = { - .start = 0xffe70800, - .end = 0xffe70900 - 1, - .flags = IORESOURCE_MEM, - }, -}; - /* USB */ static struct usb_phy *phy; @@ -548,7 +594,7 @@ static struct platform_device ohci1_device = { }; /* Ether */ -static struct resource ether_resources[] = { +static struct resource ether_resources[] __initdata = { { .start = 0xfde00000, .end = 0xfde003ff, @@ -629,14 +675,6 @@ void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata) pdata, sizeof(*pdata)); } -void __init r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata) -{ - platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1, - usb_phy_resources, - ARRAY_SIZE(usb_phy_resources), - pdata, sizeof(*pdata)); -} - void __init r8a7779_add_vin_device(int id, struct rcar_vin_platform_data *pdata) { BUG_ON(id < 0 || id > 3); @@ -697,6 +735,29 @@ void __init r8a7779_init_late(void) } #ifdef CONFIG_USE_OF +static int r8a7779_set_wake(struct irq_data *data, unsigned int on) +{ + return 0; /* always allow wakeup */ +} + +void __init r8a7779_init_irq_dt(void) +{ + gic_arch_extn.irq_set_wake = r8a7779_set_wake; + + irqchip_init(); + + /* route all interrupts to ARM */ + __raw_writel(0xffffffff, INT2NTSR0); + __raw_writel(0x3fffffff, INT2NTSR1); + + /* unmask all known interrupts in INTCS2 */ + __raw_writel(0xfffffff0, INT2SMSKCR0); + __raw_writel(0xfff7ffff, INT2SMSKCR1); + __raw_writel(0xfffbffdf, INT2SMSKCR2); + __raw_writel(0xbffffffc, INT2SMSKCR3); + __raw_writel(0x003fee3f, INT2SMSKCR4); +} + void __init r8a7779_init_delay(void) { shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */ @@ -723,7 +784,6 @@ DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)") .nr_irqs = NR_IRQS_LEGACY, .init_irq = r8a7779_init_irq_dt, .init_machine = r8a7779_add_standard_devices_dt, - .init_time = shmobile_timer_init, .init_late = r8a7779_init_late, .dt_compat = r8a7779_compat_dt, MACHINE_END |