diff options
Diffstat (limited to 'arch/arm/mach-realview/realview_pba8.c')
| -rw-r--r-- | arch/arm/mach-realview/realview_pba8.c | 207 |
1 files changed, 111 insertions, 96 deletions
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index 34c94435d2d..4e57a859926 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -21,19 +21,22 @@ #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/amba/bus.h> +#include <linux/amba/pl061.h> +#include <linux/amba/mmci.h> +#include <linux/amba/pl022.h> #include <linux/io.h> +#include <linux/irqchip/arm-gic.h> +#include <linux/platform_data/clk-realview.h> +#include <linux/reboot.h> #include <asm/irq.h> -#include <asm/leds.h> #include <asm/mach-types.h> -#include <asm/hardware/gic.h> -#include <asm/hardware/icst307.h> +#include <asm/pgtable.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/mmc.h> #include <asm/mach/time.h> #include <mach/hardware.h> @@ -41,7 +44,6 @@ #include <mach/irqs.h> #include "core.h" -#include "clock.h" static struct map_desc realview_pba8_io_desc[] __initdata = { { @@ -98,77 +100,74 @@ static void __init realview_pba8_map_io(void) iotable_init(realview_pba8_io_desc, ARRAY_SIZE(realview_pba8_io_desc)); } +static struct pl061_platform_data gpio0_plat_data = { + .gpio_base = 0, +}; + +static struct pl061_platform_data gpio1_plat_data = { + .gpio_base = 8, +}; + +static struct pl061_platform_data gpio2_plat_data = { + .gpio_base = 16, +}; + +static struct pl022_ssp_controller ssp0_plat_data = { + .bus_id = 0, + .enable_dma = 0, + .num_chipselect = 1, +}; + /* * RealView PBA8Core AMBA devices */ -#define GPIO2_IRQ { IRQ_PBA8_GPIO2, NO_IRQ } -#define GPIO2_DMA { 0, 0 } -#define GPIO3_IRQ { IRQ_PBA8_GPIO3, NO_IRQ } -#define GPIO3_DMA { 0, 0 } -#define AACI_IRQ { IRQ_PBA8_AACI, NO_IRQ } -#define AACI_DMA { 0x80, 0x81 } +#define GPIO2_IRQ { IRQ_PBA8_GPIO2 } +#define GPIO3_IRQ { IRQ_PBA8_GPIO3 } +#define AACI_IRQ { IRQ_PBA8_AACI } #define MMCI0_IRQ { IRQ_PBA8_MMCI0A, IRQ_PBA8_MMCI0B } -#define MMCI0_DMA { 0x84, 0 } -#define KMI0_IRQ { IRQ_PBA8_KMI0, NO_IRQ } -#define KMI0_DMA { 0, 0 } -#define KMI1_IRQ { IRQ_PBA8_KMI1, NO_IRQ } -#define KMI1_DMA { 0, 0 } -#define PBA8_SMC_IRQ { NO_IRQ, NO_IRQ } -#define PBA8_SMC_DMA { 0, 0 } -#define MPMC_IRQ { NO_IRQ, NO_IRQ } -#define MPMC_DMA { 0, 0 } -#define PBA8_CLCD_IRQ { IRQ_PBA8_CLCD, NO_IRQ } -#define PBA8_CLCD_DMA { 0, 0 } -#define DMAC_IRQ { IRQ_PBA8_DMAC, NO_IRQ } -#define DMAC_DMA { 0, 0 } -#define SCTL_IRQ { NO_IRQ, NO_IRQ } -#define SCTL_DMA { 0, 0 } -#define PBA8_WATCHDOG_IRQ { IRQ_PBA8_WATCHDOG, NO_IRQ } -#define PBA8_WATCHDOG_DMA { 0, 0 } -#define PBA8_GPIO0_IRQ { IRQ_PBA8_GPIO0, NO_IRQ } -#define PBA8_GPIO0_DMA { 0, 0 } -#define GPIO1_IRQ { IRQ_PBA8_GPIO1, NO_IRQ } -#define GPIO1_DMA { 0, 0 } -#define PBA8_RTC_IRQ { IRQ_PBA8_RTC, NO_IRQ } -#define PBA8_RTC_DMA { 0, 0 } -#define SCI_IRQ { IRQ_PBA8_SCI, NO_IRQ } -#define SCI_DMA { 7, 6 } -#define PBA8_UART0_IRQ { IRQ_PBA8_UART0, NO_IRQ } -#define PBA8_UART0_DMA { 15, 14 } -#define PBA8_UART1_IRQ { IRQ_PBA8_UART1, NO_IRQ } -#define PBA8_UART1_DMA { 13, 12 } -#define PBA8_UART2_IRQ { IRQ_PBA8_UART2, NO_IRQ } -#define PBA8_UART2_DMA { 11, 10 } -#define PBA8_UART3_IRQ { IRQ_PBA8_UART3, NO_IRQ } -#define PBA8_UART3_DMA { 0x86, 0x87 } -#define PBA8_SSP_IRQ { IRQ_PBA8_SSP, NO_IRQ } -#define PBA8_SSP_DMA { 9, 8 } +#define KMI0_IRQ { IRQ_PBA8_KMI0 } +#define KMI1_IRQ { IRQ_PBA8_KMI1 } +#define PBA8_SMC_IRQ { } +#define MPMC_IRQ { } +#define PBA8_CLCD_IRQ { IRQ_PBA8_CLCD } +#define DMAC_IRQ { IRQ_PBA8_DMAC } +#define SCTL_IRQ { } +#define PBA8_WATCHDOG_IRQ { IRQ_PBA8_WATCHDOG } +#define PBA8_GPIO0_IRQ { IRQ_PBA8_GPIO0 } +#define GPIO1_IRQ { IRQ_PBA8_GPIO1 } +#define PBA8_RTC_IRQ { IRQ_PBA8_RTC } +#define SCI_IRQ { IRQ_PBA8_SCI } +#define PBA8_UART0_IRQ { IRQ_PBA8_UART0 } +#define PBA8_UART1_IRQ { IRQ_PBA8_UART1 } +#define PBA8_UART2_IRQ { IRQ_PBA8_UART2 } +#define PBA8_UART3_IRQ { IRQ_PBA8_UART3 } +#define PBA8_SSP_IRQ { IRQ_PBA8_SSP } /* FPGA Primecells */ -AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); -AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); -AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); -AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); -AMBA_DEVICE(uart3, "fpga:09", PBA8_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", PBA8_UART3, NULL); /* DevChip Primecells */ -AMBA_DEVICE(smc, "dev:00", PBA8_SMC, NULL); -AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); -AMBA_DEVICE(wdog, "dev:e1", PBA8_WATCHDOG, NULL); -AMBA_DEVICE(gpio0, "dev:e4", PBA8_GPIO0, NULL); -AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); -AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); -AMBA_DEVICE(rtc, "dev:e8", PBA8_RTC, NULL); -AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); -AMBA_DEVICE(uart0, "dev:f1", PBA8_UART0, NULL); -AMBA_DEVICE(uart1, "dev:f2", PBA8_UART1, NULL); -AMBA_DEVICE(uart2, "dev:f3", PBA8_UART2, NULL); -AMBA_DEVICE(ssp0, "dev:f4", PBA8_SSP, NULL); +AHB_DEVICE(smc, "dev:smc", PBA8_SMC, NULL); +AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL); +APB_DEVICE(wdog, "dev:wdog", PBA8_WATCHDOG, NULL); +APB_DEVICE(gpio0, "dev:gpio0", PBA8_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", PBA8_RTC, NULL); +APB_DEVICE(sci0, "dev:sci0", SCI, NULL); +APB_DEVICE(uart0, "dev:uart0", PBA8_UART0, NULL); +APB_DEVICE(uart1, "dev:uart1", PBA8_UART1, NULL); +APB_DEVICE(uart2, "dev:uart2", PBA8_UART2, NULL); +APB_DEVICE(ssp0, "dev:ssp0", PBA8_SSP, &ssp0_plat_data); /* Primecells on the NEC ISSP chip */ -AMBA_DEVICE(clcd, "issp:20", PBA8_CLCD, &clcd_plat_data); -AMBA_DEVICE(dmac, "issp:30", DMAC, NULL); +AHB_DEVICE(clcd, "issp:clcd", PBA8_CLCD, &clcd_plat_data); +AHB_DEVICE(dmac, "issp:dmac", DMAC, NULL); static struct amba_device *amba_devs[] __initdata = { &dmac_device, @@ -221,37 +220,38 @@ static struct resource realview_pba8_smsc911x_resources[] = { }, }; -struct resource realview_pba8_cf_resources[] = { +static struct resource realview_pba8_isp1761_resources[] = { [0] = { - .start = REALVIEW_PBA8_CF_BASE, - .end = REALVIEW_PBA8_CF_BASE + SZ_4K - 1, + .start = REALVIEW_PBA8_USB_BASE, + .end = REALVIEW_PBA8_USB_BASE + SZ_128K - 1, .flags = IORESOURCE_MEM, }, [1] = { - .start = REALVIEW_PBA8_CF_MEM_BASE, - .end = REALVIEW_PBA8_CF_MEM_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - [2] = { - .start = -1, /* FIXME: Find correct irq */ - .end = -1, + .start = IRQ_PBA8_USB, + .end = IRQ_PBA8_USB, .flags = IORESOURCE_IRQ, }, }; -struct platform_device realview_pba8_cf_device = { - .name = "compactflash", - .id = 0, - .num_resources = ARRAY_SIZE(realview_pba8_cf_resources), - .resource = realview_pba8_cf_resources, +static struct resource pmu_resource = { + .start = IRQ_PBA8_PMU, + .end = IRQ_PBA8_PMU, + .flags = IORESOURCE_IRQ, +}; + +static struct platform_device pmu_device = { + .name = "arm-pmu", + .id = -1, + .num_resources = 1, + .resource = &pmu_resource, }; static void __init gic_init_irq(void) { /* ARM PB-A8 on-board GIC */ - gic_cpu_base_addr = __io_address(REALVIEW_PBA8_GIC_CPU_BASE); - gic_dist_init(0, __io_address(REALVIEW_PBA8_GIC_DIST_BASE), IRQ_PBA8_GIC_START); - gic_cpu_init(0, __io_address(REALVIEW_PBA8_GIC_CPU_BASE)); + gic_init(0, IRQ_PBA8_GIC_START, + __io_address(REALVIEW_PBA8_GIC_DIST_BASE), + __io_address(REALVIEW_PBA8_GIC_CPU_BASE)); } static void __init realview_pba8_timer_init(void) @@ -261,12 +261,24 @@ static void __init realview_pba8_timer_init(void) timer2_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE) + 0x20; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(IRQ_PBA8_TIMER0_1); } -static struct sys_timer realview_pba8_timer = { - .init = realview_pba8_timer_init, -}; +static void realview_pba8_restart(enum reboot_mode mode, const char *cmd) +{ + void __iomem *reset_ctrl = __io_address(REALVIEW_SYS_RESETCTL); + void __iomem *lock_ctrl = __io_address(REALVIEW_SYS_LOCK); + + /* + * To reset, we hit the on-board reset register + * in the system FPGA + */ + __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); + __raw_writel(0x0000, reset_ctrl); + __raw_writel(0x0004, reset_ctrl); + dsb(); +} static void __init realview_pba8_init(void) { @@ -276,25 +288,28 @@ static void __init realview_pba8_init(void) ARRAY_SIZE(realview_pba8_flash_resource)); realview_eth_register(NULL, realview_pba8_smsc911x_resources); platform_device_register(&realview_i2c_device); - platform_device_register(&realview_pba8_cf_device); + platform_device_register(&realview_cf_device); + platform_device_register(&realview_leds_device); + realview_usb_register(realview_pba8_isp1761_resources); + platform_device_register(&pmu_device); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_PBA8_UART0_BASE, - .io_pg_offst = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x00000100, + .atag_offset = 0x100, + .fixup = realview_fixup, .map_io = realview_pba8_map_io, + .init_early = realview_init_early, .init_irq = gic_init_irq, - .timer = &realview_pba8_timer, + .init_time = realview_pba8_timer_init, .init_machine = realview_pba8_init, +#ifdef CONFIG_ZONE_DMA + .dma_zone_size = SZ_256M, +#endif + .restart = realview_pba8_restart, MACHINE_END |