+++ /dev/null
-/*
- * linux/arch/arm/mach-realview/realview_pb1176.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/device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/pl061.h>
-#include <linux/amba/mmci.h>
-#include <linux/amba/pl022.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/partitions.h>
-#include <linux/io.h>
-#include <linux/irqchip/arm-gic.h>
-#include <linux/platform_data/clk-realview.h>
-#include <linux/reboot.h>
-#include <linux/memblock.h>
-
-#include "hardware.h"
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-#include <asm/pgtable.h>
-#include <asm/hardware/cache-l2x0.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/map.h>
-#include <asm/mach/time.h>
-
-#include "board-pb1176.h"
-#include "irqs-pb1176.h"
-
-#include "core.h"
-
-static struct map_desc realview_pb1176_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_PB1176_GIC_CPU_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE),
- .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE),
- .pfn = __phys_to_pfn(REALVIEW_DC1176_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_PB1176_TIMER0_1_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
- .virtual = IO_ADDRESS(REALVIEW_PB1176_L220_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_L220_BASE),
- .length = SZ_8K,
- .type = MT_DEVICE,
- },
-#ifdef CONFIG_DEBUG_LL
- {
- .virtual = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE),
- .pfn = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE,
- },
-#endif
-};
-
-static void __init realview_pb1176_map_io(void)
-{
- iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_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 PB1176 AMBA devices
- */
-#define GPIO2_IRQ { IRQ_PB1176_GPIO2 }
-#define GPIO3_IRQ { IRQ_PB1176_GPIO3 }
-#define AACI_IRQ { IRQ_PB1176_AACI }
-#define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B }
-#define KMI0_IRQ { IRQ_PB1176_KMI0 }
-#define KMI1_IRQ { IRQ_PB1176_KMI1 }
-#define PB1176_SMC_IRQ { }
-#define MPMC_IRQ { }
-#define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD }
-#define SCTL_IRQ { }
-#define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG }
-#define PB1176_GPIO0_IRQ { IRQ_DC1176_GPIO0 }
-#define GPIO1_IRQ { IRQ_PB1176_GPIO1 }
-#define PB1176_RTC_IRQ { IRQ_DC1176_RTC }
-#define SCI_IRQ { IRQ_PB1176_SCI }
-#define PB1176_UART0_IRQ { IRQ_DC1176_UART0 }
-#define PB1176_UART1_IRQ { IRQ_DC1176_UART1 }
-#define PB1176_UART2_IRQ { IRQ_DC1176_UART2 }
-#define PB1176_UART3_IRQ { IRQ_DC1176_UART3 }
-#define PB1176_UART4_IRQ { IRQ_PB1176_UART4 }
-#define PB1176_SSP_IRQ { IRQ_DC1176_SSP }
-
-/* FPGA Primecells */
-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(uart4, "fpga:uart4", PB1176_UART4, NULL);
-
-/* DevChip Primecells */
-AHB_DEVICE(smc, "dev:smc", PB1176_SMC, NULL);
-AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL);
-APB_DEVICE(wdog, "dev:wdog", PB1176_WATCHDOG, NULL);
-APB_DEVICE(gpio0, "dev:gpio0", PB1176_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", PB1176_RTC, NULL);
-APB_DEVICE(sci0, "dev:sci0", SCI, NULL);
-APB_DEVICE(uart0, "dev:uart0", PB1176_UART0, NULL);
-APB_DEVICE(uart1, "dev:uart1", PB1176_UART1, NULL);
-APB_DEVICE(uart2, "dev:uart2", PB1176_UART2, NULL);
-APB_DEVICE(uart3, "dev:uart3", PB1176_UART3, NULL);
-APB_DEVICE(ssp0, "dev:ssp0", PB1176_SSP, &ssp0_plat_data);
-AHB_DEVICE(clcd, "dev:clcd", PB1176_CLCD, &clcd_plat_data);
-
-static struct amba_device *amba_devs[] __initdata = {
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &uart3_device,
- &uart4_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 PB1176 platform devices
- */
-static struct resource realview_pb1176_flash_resources[] = {
- {
- .start = REALVIEW_PB1176_FLASH_BASE,
- .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
-#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH
- {
- .start = REALVIEW_PB1176_SEC_FLASH_BASE,
- .end = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
-#endif
-};
-
-static struct physmap_flash_data pb1176_rom_pdata = {
- .probe_type = "map_rom",
- .width = 4,
- .nr_parts = 0,
-};
-
-static struct resource pb1176_rom_resources[] = {
- /*
- * This exposes the PB1176 DevChip ROM as an MTD ROM mapping.
- * The reference manual states that this is actually a pseudo-ROM
- * programmed in NVRAM.
- */
- {
- .start = REALVIEW_DC1176_ROM_BASE,
- .end = REALVIEW_DC1176_ROM_BASE + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- }
-};
-
-static struct platform_device pb1176_rom_device = {
- .name = "physmap-flash",
- .id = -1,
- .num_resources = ARRAY_SIZE(pb1176_rom_resources),
- .resource = pb1176_rom_resources,
- .dev = {
- .platform_data = &pb1176_rom_pdata,
- },
-};
-
-static struct resource realview_pb1176_smsc911x_resources[] = {
- [0] = {
- .start = REALVIEW_PB1176_ETH_BASE,
- .end = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_PB1176_ETH,
- .end = IRQ_PB1176_ETH,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource realview_pb1176_isp1761_resources[] = {
- [0] = {
- .start = REALVIEW_PB1176_USB_BASE,
- .end = REALVIEW_PB1176_USB_BASE + SZ_128K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_PB1176_USB,
- .end = IRQ_PB1176_USB,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource pmu_resource = {
- .start = IRQ_DC1176_CORE_PMU,
- .end = IRQ_DC1176_CORE_PMU,
- .flags = IORESOURCE_IRQ,
-};
-
-static struct platform_device pmu_device = {
- .name = "armv6-pmu",
- .id = -1,
- .num_resources = 1,
- .resource = &pmu_resource,
-};
-
-static struct resource char_lcd_resources[] = {
- {
- .start = REALVIEW_CHAR_LCD_BASE,
- .end = (REALVIEW_CHAR_LCD_BASE + SZ_4K - 1),
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_PB1176_CHARLCD,
- .end = IRQ_PB1176_CHARLCD,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device char_lcd_device = {
- .name = "arm-charlcd",
- .id = -1,
- .num_resources = ARRAY_SIZE(char_lcd_resources),
- .resource = char_lcd_resources,
-};
-
-static void __init gic_init_irq(void)
-{
- /* ARM1176 DevChip GIC, primary */
- gic_init(0, IRQ_DC1176_GIC_START,
- __io_address(REALVIEW_DC1176_GIC_DIST_BASE),
- __io_address(REALVIEW_DC1176_GIC_CPU_BASE));
-
- /* board GIC, secondary */
- gic_init(1, IRQ_PB1176_GIC_START,
- __io_address(REALVIEW_PB1176_GIC_DIST_BASE),
- __io_address(REALVIEW_PB1176_GIC_CPU_BASE));
- gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1);
-}
-
-static void __init realview_pb1176_timer_init(void)
-{
- timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE);
- timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20;
- timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE);
- timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20;
-
- realview_clk_init(__io_address(REALVIEW_SYS_BASE), true);
- realview_timer_init(IRQ_DC1176_TIMER0);
-}
-
-static void realview_pb1176_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);
- __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl);
- __raw_writel(REALVIEW_PB1176_SYS_SOFT_RESET, reset_ctrl);
- dsb();
-}
-
-static void realview_pb1176_fixup(struct tag *tags, char **from)
-{
- /*
- * RealView PB1176 only has 128MB of RAM mapped at 0.
- */
- memblock_add(0, SZ_128M);
-}
-
-static void __init realview_pb1176_init(void)
-{
- int i;
-
-#ifdef CONFIG_CACHE_L2X0
- /*
- * The PL220 needs to be manually configured as the hardware
- * doesn't report the correct sizes.
- * 128kB (16kB/way), 8-way associativity, event monitor and
- * parity enabled, ignore share bit, no force write allocate
- * Bits: .... ...0 0111 0011 0000 .... .... ....
- */
- l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
-#endif
-
- realview_flash_register(realview_pb1176_flash_resources,
- ARRAY_SIZE(realview_pb1176_flash_resources));
- platform_device_register(&pb1176_rom_device);
- realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
- platform_device_register(&realview_i2c_device);
- realview_usb_register(realview_pb1176_isp1761_resources);
- platform_device_register(&pmu_device);
- platform_device_register(&char_lcd_device);
- platform_device_register(&realview_leds_device);
-
- for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- struct amba_device *d = amba_devs[i];
- amba_device_register(d, &iomem_resource);
- }
-}
-
-MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
- /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
- .atag_offset = 0x100,
- .fixup = realview_pb1176_fixup,
- .map_io = realview_pb1176_map_io,
- .init_early = realview_init_early,
- .init_irq = gic_init_irq,
- .init_time = realview_pb1176_timer_init,
- .init_machine = realview_pb1176_init,
-#ifdef CONFIG_ZONE_DMA
- .dma_zone_size = SZ_256M,
-#endif
- .restart = realview_pb1176_restart,
-MACHINE_END
projects / linux-2.6-block.git / blobdiff