/arch/arm/mach-realview/realview_pb11mp.c
C | 390 lines | 314 code | 37 blank | 39 comment | 1 complexity | 88d90950367ed904d550f59e02e5a2f0 MD5 | raw file
- /*
- * linux/arch/arm/mach-realview/realview_pb11mp.c
- *
- * Copyright (C) 2008 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * 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/init.h>
- #include <linux/platform_device.h>
- #include <linux/sysdev.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 <mach/hardware.h>
- #include <asm/irq.h>
- #include <asm/leds.h>
- #include <asm/mach-types.h>
- #include <asm/pmu.h>
- #include <asm/pgtable.h>
- #include <asm/hardware/gic.h>
- #include <asm/hardware/cache-l2x0.h>
- #include <asm/localtimer.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/flash.h>
- #include <asm/mach/map.h>
- #include <asm/mach/time.h>
- #include <mach/board-pb11mp.h>
- #include <mach/irqs.h>
- #include "core.h"
- static struct map_desc realview_pb11mp_io_desc[] __initdata = {
- {
- .virtual = IO_ADDRESS(REALVIEW_SYS_BASE),
- .pfn = __phys_to_pfn(REALVIEW_SYS_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_CPU_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_CPU_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB11MP_GIC_DIST_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE),
- .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE),
- .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE),
- .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER0_1_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER0_1_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB11MP_TIMER2_3_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB11MP_TIMER2_3_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_TC11MP_L220_BASE),
- .pfn = __phys_to_pfn(REALVIEW_TC11MP_L220_BASE),
- .length = SZ_8K,
- .type = MT_DEVICE,
- },
- #ifdef CONFIG_DEBUG_LL
- {
- .virtual = IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB11MP_UART0_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- },
- #endif
- };
- static void __init realview_pb11mp_map_io(void)
- {
- iotable_init(realview_pb11mp_io_desc, ARRAY_SIZE(realview_pb11mp_io_desc));
- }
- static struct pl061_platform_data gpio0_plat_data = {
- .gpio_base = 0,
- .irq_base = -1,
- };
- static struct pl061_platform_data gpio1_plat_data = {
- .gpio_base = 8,
- .irq_base = -1,
- };
- static struct pl061_platform_data gpio2_plat_data = {
- .gpio_base = 16,
- .irq_base = -1,
- };
- static struct pl022_ssp_controller ssp0_plat_data = {
- .bus_id = 0,
- .enable_dma = 0,
- .num_chipselect = 1,
- };
- /*
- * RealView PB11MPCore AMBA devices
- */
- #define GPIO2_IRQ { IRQ_PB11MP_GPIO2, NO_IRQ }
- #define GPIO2_DMA { 0, 0 }
- #define GPIO3_IRQ { IRQ_PB11MP_GPIO3, NO_IRQ }
- #define GPIO3_DMA { 0, 0 }
- #define AACI_IRQ { IRQ_TC11MP_AACI, NO_IRQ }
- #define AACI_DMA { 0x80, 0x81 }
- #define MMCI0_IRQ { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
- #define MMCI0_DMA { 0x84, 0 }
- #define KMI0_IRQ { IRQ_TC11MP_KMI0, NO_IRQ }
- #define KMI0_DMA { 0, 0 }
- #define KMI1_IRQ { IRQ_TC11MP_KMI1, NO_IRQ }
- #define KMI1_DMA { 0, 0 }
- #define PB11MP_SMC_IRQ { NO_IRQ, NO_IRQ }
- #define PB11MP_SMC_DMA { 0, 0 }
- #define MPMC_IRQ { NO_IRQ, NO_IRQ }
- #define MPMC_DMA { 0, 0 }
- #define PB11MP_CLCD_IRQ { IRQ_PB11MP_CLCD, NO_IRQ }
- #define PB11MP_CLCD_DMA { 0, 0 }
- #define DMAC_IRQ { IRQ_PB11MP_DMAC, NO_IRQ }
- #define DMAC_DMA { 0, 0 }
- #define SCTL_IRQ { NO_IRQ, NO_IRQ }
- #define SCTL_DMA { 0, 0 }
- #define PB11MP_WATCHDOG_IRQ { IRQ_PB11MP_WATCHDOG, NO_IRQ }
- #define PB11MP_WATCHDOG_DMA { 0, 0 }
- #define PB11MP_GPIO0_IRQ { IRQ_PB11MP_GPIO0, NO_IRQ }
- #define PB11MP_GPIO0_DMA { 0, 0 }
- #define GPIO1_IRQ { IRQ_PB11MP_GPIO1, NO_IRQ }
- #define GPIO1_DMA { 0, 0 }
- #define PB11MP_RTC_IRQ { IRQ_TC11MP_RTC, NO_IRQ }
- #define PB11MP_RTC_DMA { 0, 0 }
- #define SCI_IRQ { IRQ_PB11MP_SCI, NO_IRQ }
- #define SCI_DMA { 7, 6 }
- #define PB11MP_UART0_IRQ { IRQ_TC11MP_UART0, NO_IRQ }
- #define PB11MP_UART0_DMA { 15, 14 }
- #define PB11MP_UART1_IRQ { IRQ_TC11MP_UART1, NO_IRQ }
- #define PB11MP_UART1_DMA { 13, 12 }
- #define PB11MP_UART2_IRQ { IRQ_PB11MP_UART2, NO_IRQ }
- #define PB11MP_UART2_DMA { 11, 10 }
- #define PB11MP_UART3_IRQ { IRQ_PB11MP_UART3, NO_IRQ }
- #define PB11MP_UART3_DMA { 0x86, 0x87 }
- #define PB11MP_SSP_IRQ { IRQ_PB11MP_SSP, NO_IRQ }
- #define PB11MP_SSP_DMA { 9, 8 }
- /* 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);
- /* 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);
- /* Primecells on the NEC ISSP chip */
- AMBA_DEVICE(clcd, "issp:clcd", PB11MP_CLCD, &clcd_plat_data);
- AMBA_DEVICE(dmac, "issp:dmac", DMAC, NULL);
- static struct amba_device *amba_devs[] __initdata = {
- &dmac_device,
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &uart3_device,
- &smc_device,
- &clcd_device,
- &sctl_device,
- &wdog_device,
- &gpio0_device,
- &gpio1_device,
- &gpio2_device,
- &rtc_device,
- &sci0_device,
- &ssp0_device,
- &aaci_device,
- &mmc0_device,
- &kmi0_device,
- &kmi1_device,
- };
- /*
- * RealView PB11MPCore platform devices
- */
- static struct resource realview_pb11mp_flash_resource[] = {
- [0] = {
- .start = REALVIEW_PB11MP_FLASH0_BASE,
- .end = REALVIEW_PB11MP_FLASH0_BASE + REALVIEW_PB11MP_FLASH0_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = REALVIEW_PB11MP_FLASH1_BASE,
- .end = REALVIEW_PB11MP_FLASH1_BASE + REALVIEW_PB11MP_FLASH1_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- };
- static struct resource realview_pb11mp_smsc911x_resources[] = {
- [0] = {
- .start = REALVIEW_PB11MP_ETH_BASE,
- .end = REALVIEW_PB11MP_ETH_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TC11MP_ETH,
- .end = IRQ_TC11MP_ETH,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct resource realview_pb11mp_isp1761_resources[] = {
- [0] = {
- .start = REALVIEW_PB11MP_USB_BASE,
- .end = REALVIEW_PB11MP_USB_BASE + SZ_128K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_TC11MP_USB,
- .end = IRQ_TC11MP_USB,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct resource pmu_resources[] = {
- [0] = {
- .start = IRQ_TC11MP_PMU_CPU0,
- .end = IRQ_TC11MP_PMU_CPU0,
- .flags = IORESOURCE_IRQ,
- },
- [1] = {
- .start = IRQ_TC11MP_PMU_CPU1,
- .end = IRQ_TC11MP_PMU_CPU1,
- .flags = IORESOURCE_IRQ,
- },
- [2] = {
- .start = IRQ_TC11MP_PMU_CPU2,
- .end = IRQ_TC11MP_PMU_CPU2,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = IRQ_TC11MP_PMU_CPU3,
- .end = IRQ_TC11MP_PMU_CPU3,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device pmu_device = {
- .name = "arm-pmu",
- .id = ARM_PMU_DEVICE_CPU,
- .num_resources = ARRAY_SIZE(pmu_resources),
- .resource = pmu_resources,
- };
- static void __init gic_init_irq(void)
- {
- unsigned int pldctrl;
- /* new irq mode with no DCC */
- writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
- pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
- pldctrl |= 2 << 22;
- writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_PB11MP_SYS_PLD_CTRL1);
- writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
- /* ARM11MPCore test chip GIC, primary */
- gic_init(0, 29, __io_address(REALVIEW_TC11MP_GIC_DIST_BASE),
- __io_address(REALVIEW_TC11MP_GIC_CPU_BASE));
- /* board GIC, secondary */
- gic_init(1, IRQ_PB11MP_GIC_START,
- __io_address(REALVIEW_PB11MP_GIC_DIST_BASE),
- __io_address(REALVIEW_PB11MP_GIC_CPU_BASE));
- gic_cascade_irq(1, IRQ_TC11MP_PB_IRQ1);
- }
- static void __init realview_pb11mp_timer_init(void)
- {
- timer0_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE);
- timer1_va_base = __io_address(REALVIEW_PB11MP_TIMER0_1_BASE) + 0x20;
- 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);
- }
- static struct sys_timer realview_pb11mp_timer = {
- .init = realview_pb11mp_timer_init,
- };
- static void realview_pb11mp_reset(char mode)
- {
- 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);
- }
- static void __init realview_pb11mp_init(void)
- {
- int i;
- #ifdef CONFIG_CACHE_L2X0
- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
- * Bits: .... ...0 0111 1001 0000 .... .... .... */
- l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
- #endif
- realview_flash_register(realview_pb11mp_flash_resource,
- ARRAY_SIZE(realview_pb11mp_flash_resource));
- realview_eth_register(NULL, realview_pb11mp_smsc911x_resources);
- platform_device_register(&realview_i2c_device);
- platform_device_register(&realview_cf_device);
- realview_usb_register(realview_pb11mp_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
- realview_reset = realview_pb11mp_reset;
- }
- MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
- /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
- .boot_params = PHYS_OFFSET + 0x00000100,
- .fixup = realview_fixup,
- .map_io = realview_pb11mp_map_io,
- .init_irq = gic_init_irq,
- .timer = &realview_pb11mp_timer,
- .init_machine = realview_pb11mp_init,
- MACHINE_END