diff options
Diffstat (limited to 'arch/arm/mach-realview/realview_pbx.c')
-rw-r--r-- | arch/arm/mach-realview/realview_pbx.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c deleted file mode 100644 index be1cec5fe3ad..000000000000 --- a/arch/arm/mach-realview/realview_pbx.c +++ /dev/null @@ -1,402 +0,0 @@ -/* - * arch/arm/mach-realview/realview_pbx.c - * - * Copyright (C) 2009 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 version 2 as - * published by the Free Software Foundation. - * - * 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/io.h> -#include <linux/irqchip/arm-gic.h> -#include <linux/platform_data/clk-realview.h> -#include <linux/reboot.h> -#include <linux/memblock.h> - -#include <asm/irq.h> -#include <asm/mach-types.h> -#include <asm/smp_twd.h> -#include <asm/pgtable.h> -#include <asm/hardware/cache-l2x0.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/time.h> - -#include "hardware.h" -#include "board-pbx.h" -#include "irqs-pbx.h" - -#include "core.h" - -static struct map_desc realview_pbx_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_PBX_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_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_PBX_TIMER0_1_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -#ifdef CONFIG_DEBUG_LL - { - .virtual = IO_ADDRESS(REALVIEW_PBX_UART0_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_UART0_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -#endif -}; - -static struct map_desc realview_local_io_desc[] __initdata = { - { - .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_SCU_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_SCU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE), - .pfn = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE), - .length = SZ_8K, - .type = MT_DEVICE, - } -}; - -static void __init realview_pbx_map_io(void) -{ - iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc)); - if (core_tile_pbx11mp() || core_tile_pbxa9mp()) - iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_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 PBXCore AMBA devices - */ - -#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 } -#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 */ -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 */ -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 */ -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, - &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 PB-X platform devices - */ -static struct resource realview_pbx_flash_resources[] = { - [0] = { - .start = REALVIEW_PBX_FLASH0_BASE, - .end = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = REALVIEW_PBX_FLASH1_BASE, - .end = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct resource realview_pbx_smsc911x_resources[] = { - [0] = { - .start = REALVIEW_PBX_ETH_BASE, - .end = REALVIEW_PBX_ETH_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PBX_ETH, - .end = IRQ_PBX_ETH, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource realview_pbx_isp1761_resources[] = { - [0] = { - .start = REALVIEW_PBX_USB_BASE, - .end = REALVIEW_PBX_USB_BASE + SZ_128K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PBX_USB, - .end = IRQ_PBX_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -#ifdef CONFIG_CACHE_L2X0 -static struct resource pmu_resources[] = { - [0] = { - .start = IRQ_PBX_PMU_CPU0, - .end = IRQ_PBX_PMU_CPU0, - .flags = IORESOURCE_IRQ, - }, - [1] = { - .start = IRQ_PBX_PMU_CPU1, - .end = IRQ_PBX_PMU_CPU1, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_PBX_PMU_CPU2, - .end = IRQ_PBX_PMU_CPU2, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = IRQ_PBX_PMU_CPU3, - .end = IRQ_PBX_PMU_CPU3, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device pmu_device = { - .name = "armv7-pmu", - .id = -1, - .num_resources = ARRAY_SIZE(pmu_resources), - .resource = pmu_resources, -}; -#endif - -static void __init gic_init_irq(void) -{ - /* ARM PBX on-board GIC */ - if (core_tile_pbx11mp() || core_tile_pbxa9mp()) { - gic_init(0, 29, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE), - __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE)); - } else { - gic_init(0, IRQ_PBX_GIC_START, - __io_address(REALVIEW_PBX_GIC_DIST_BASE), - __io_address(REALVIEW_PBX_GIC_CPU_BASE)); - } -} - -#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); - timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20; - timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE); - timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20; - - realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); - realview_timer_init(IRQ_PBX_TIMER0_1); - realview_pbx_twd_init(); -} - -static void realview_pbx_fixup(struct tag *tags, char **from) -{ -#ifdef CONFIG_SPARSEMEM - /* - * Memory configuration with SPARSEMEM enabled on RealView PBX (see - * asm/mach/memory.h for more information). - */ - - memblock_add(0, SZ_256M); - memblock_add(0x20000000, SZ_512M); - memblock_add(0x80000000, SZ_256M); -#else - realview_fixup(tags, from); -#endif -} - -static void realview_pbx_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(0x00F0, reset_ctrl); - __raw_writel(0x00F4, reset_ctrl); - dsb(); -} - -static void __init realview_pbx_init(void) -{ - int i; - -#ifdef CONFIG_CACHE_L2X0 - if (core_tile_pbxa9mp()) { - void __iomem *l2x0_base = - __io_address(REALVIEW_PBX_TILE_L220_BASE); - - /* set RAM latencies to 1 cycle for eASIC */ - writel(0, l2x0_base + L310_TAG_LATENCY_CTRL); - writel(0, l2x0_base + L310_DATA_LATENCY_CTRL); - - /* 16KB way size, 8-way associativity, parity disabled - * Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */ - l2x0_init(l2x0_base, 0x02520000, 0xc0000fff); - platform_device_register(&pmu_device); - } -#endif - - realview_flash_register(realview_pbx_flash_resources, - ARRAY_SIZE(realview_pbx_flash_resources)); - realview_eth_register(NULL, realview_pbx_smsc911x_resources); - platform_device_register(&realview_i2c_device); - platform_device_register(&realview_cf_device); - platform_device_register(&realview_leds_device); - realview_usb_register(realview_pbx_isp1761_resources); - - 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_PBX, "ARM-RealView PBX") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .smp = smp_ops(realview_smp_ops), - .fixup = realview_pbx_fixup, - .map_io = realview_pbx_map_io, - .init_early = realview_init_early, - .init_irq = gic_init_irq, - .init_time = realview_pbx_timer_init, - .init_machine = realview_pbx_init, -#ifdef CONFIG_ZONE_DMA - .dma_zone_size = SZ_256M, -#endif - .restart = realview_pbx_restart, -MACHINE_END |