diff options
Diffstat (limited to 'arch/arm/mach-realview/realview_eb.c')
| -rw-r--r-- | arch/arm/mach-realview/realview_eb.c | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c deleted file mode 100644 index b442fa61e943..000000000000 --- a/arch/arm/mach-realview/realview_eb.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * linux/arch/arm/mach-realview/realview_eb.c - * - * Copyright (C) 2004 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/io.h> -#include <linux/irqchip/arm-gic.h> -#include <linux/platform_data/clk-realview.h> -#include <linux/reboot.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/smp_twd.h> -#include <asm/system_info.h> -#include <asm/outercache.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/time.h> - -#include "board-eb.h" -#include "irqs-eb.h" - -#include "core.h" - -static struct map_desc realview_eb_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_EB_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_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_EB_TIMER0_1_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_TIMER0_1_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB_TIMER2_3_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_TIMER2_3_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -#ifdef CONFIG_DEBUG_LL - { - .virtual = IO_ADDRESS(REALVIEW_EB_UART0_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB_UART0_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - } -#endif -}; - -static struct map_desc realview_eb11mp_io_desc[] __initdata = { - { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_PRIV_MEM_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_PRIV_MEM_BASE), - .length = REALVIEW_EB11MP_PRIV_MEM_SIZE, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_L220_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_L220_BASE), - .length = SZ_8K, - .type = MT_DEVICE, - } -}; - -static void __init realview_eb_map_io(void) -{ - iotable_init(realview_eb_io_desc, ARRAY_SIZE(realview_eb_io_desc)); - if (core_tile_eb11mp() || core_tile_a9mp()) - iotable_init(realview_eb11mp_io_desc, ARRAY_SIZE(realview_eb11mp_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 EB AMBA devices - */ - -/* - * These devices are connected via the core APB bridge - */ -#define GPIO2_IRQ { IRQ_EB_GPIO2 } -#define GPIO3_IRQ { IRQ_EB_GPIO3 } - -#define AACI_IRQ { IRQ_EB_AACI } -#define MMCI0_IRQ { IRQ_EB_MMCI0A, IRQ_EB_MMCI0B } -#define KMI0_IRQ { IRQ_EB_KMI0 } -#define KMI1_IRQ { IRQ_EB_KMI1 } - -/* - * These devices are connected directly to the multi-layer AHB switch - */ -#define EB_SMC_IRQ { } -#define MPMC_IRQ { } -#define EB_CLCD_IRQ { IRQ_EB_CLCD } -#define DMAC_IRQ { IRQ_EB_DMA } - -/* - * These devices are connected via the core APB bridge - */ -#define SCTL_IRQ { } -#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG } -#define EB_GPIO0_IRQ { IRQ_EB_GPIO0 } -#define GPIO1_IRQ { IRQ_EB_GPIO1 } -#define EB_RTC_IRQ { IRQ_EB_RTC } - -/* - * These devices are connected via the DMA APB bridge - */ -#define SCI_IRQ { IRQ_EB_SCI } -#define EB_UART0_IRQ { IRQ_EB_UART0 } -#define EB_UART1_IRQ { IRQ_EB_UART1 } -#define EB_UART2_IRQ { IRQ_EB_UART2 } -#define EB_UART3_IRQ { IRQ_EB_UART3 } -#define EB_SSP_IRQ { IRQ_EB_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", EB_UART3, NULL); - -/* DevChip Primecells */ -AHB_DEVICE(smc, "dev:smc", EB_SMC, NULL); -AHB_DEVICE(clcd, "dev:clcd", EB_CLCD, &clcd_plat_data); -AHB_DEVICE(dmac, "dev:dmac", DMAC, NULL); -AHB_DEVICE(sctl, "dev:sctl", SCTL, NULL); -APB_DEVICE(wdog, "dev:wdog", EB_WATCHDOG, NULL); -APB_DEVICE(gpio0, "dev:gpio0", EB_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", EB_RTC, NULL); -APB_DEVICE(sci0, "dev:sci0", SCI, NULL); -APB_DEVICE(uart0, "dev:uart0", EB_UART0, NULL); -APB_DEVICE(uart1, "dev:uart1", EB_UART1, NULL); -APB_DEVICE(uart2, "dev:uart2", EB_UART2, NULL); -APB_DEVICE(ssp0, "dev:ssp0", EB_SSP, &ssp0_plat_data); - -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 EB platform devices - */ -static struct resource realview_eb_flash_resource = { - .start = REALVIEW_EB_FLASH_BASE, - .end = REALVIEW_EB_FLASH_BASE + REALVIEW_EB_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct resource realview_eb_eth_resources[] = { - [0] = { - .start = REALVIEW_EB_ETH_BASE, - .end = REALVIEW_EB_ETH_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_EB_ETH, - .end = IRQ_EB_ETH, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, - }, -}; - -/* - * Detect and register the correct Ethernet device. RealView/EB rev D - * platforms use the newer SMSC LAN9118 Ethernet chip - */ -static int eth_device_register(void) -{ - void __iomem *eth_addr = ioremap(REALVIEW_EB_ETH_BASE, SZ_4K); - const char *name = NULL; - u32 idrev; - - if (!eth_addr) - return -ENOMEM; - - idrev = readl(eth_addr + 0x50); - if ((idrev & 0xFFFF0000) != 0x01180000) - /* SMSC LAN9118 not present, use LAN91C111 instead */ - name = "smc91x"; - - iounmap(eth_addr); - return realview_eth_register(name, realview_eb_eth_resources); -} - -static struct resource realview_eb_isp1761_resources[] = { - [0] = { - .start = REALVIEW_EB_USB_BASE, - .end = REALVIEW_EB_USB_BASE + SZ_128K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_EB_USB, - .end = IRQ_EB_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource pmu_resources[] = { - [0] = { - .start = IRQ_EB11MP_PMU_CPU0, - .end = IRQ_EB11MP_PMU_CPU0, - .flags = IORESOURCE_IRQ, - }, - [1] = { - .start = IRQ_EB11MP_PMU_CPU1, - .end = IRQ_EB11MP_PMU_CPU1, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_EB11MP_PMU_CPU2, - .end = IRQ_EB11MP_PMU_CPU2, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = IRQ_EB11MP_PMU_CPU3, - .end = IRQ_EB11MP_PMU_CPU3, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device pmu_device = { - .id = -1, - .num_resources = ARRAY_SIZE(pmu_resources), - .resource = pmu_resources, -}; - -static struct resource char_lcd_resources[] = { - { - .start = REALVIEW_CHAR_LCD_BASE, - .end = (REALVIEW_CHAR_LCD_BASE + SZ_4K - 1), - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_EB_CHARLCD, - .end = IRQ_EB_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) -{ - if (core_tile_eb11mp() || core_tile_a9mp()) { - unsigned int pldctrl; - - /* new irq mode */ - writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK)); - pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); - pldctrl |= 0x00800000; - writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + REALVIEW_EB11MP_SYS_PLD_CTRL1); - writel(0x00000000, __io_address(REALVIEW_SYS_LOCK)); - - /* core tile GIC, primary */ - gic_init(0, 29, __io_address(REALVIEW_EB11MP_GIC_DIST_BASE), - __io_address(REALVIEW_EB11MP_GIC_CPU_BASE)); - -#ifndef CONFIG_REALVIEW_EB_ARM11MP_REVB - /* board GIC, secondary */ - gic_init(1, 96, __io_address(REALVIEW_EB_GIC_DIST_BASE), - __io_address(REALVIEW_EB_GIC_CPU_BASE)); - gic_cascade_irq(1, IRQ_EB11MP_EB_IRQ1); -#endif - } else { - /* board GIC, primary */ - gic_init(0, 29, __io_address(REALVIEW_EB_GIC_DIST_BASE), - __io_address(REALVIEW_EB_GIC_CPU_BASE)); - } -} - -/* - * Fix up the IRQ numbers for the RealView EB/ARM11MPCore tile - */ -static void realview_eb11mp_fixup(void) -{ - /* AMBA devices */ - dmac_device.irq[0] = IRQ_EB11MP_DMA; - uart0_device.irq[0] = IRQ_EB11MP_UART0; - uart1_device.irq[0] = IRQ_EB11MP_UART1; - uart2_device.irq[0] = IRQ_EB11MP_UART2; - uart3_device.irq[0] = IRQ_EB11MP_UART3; - clcd_device.irq[0] = IRQ_EB11MP_CLCD; - wdog_device.irq[0] = IRQ_EB11MP_WDOG; - gpio0_device.irq[0] = IRQ_EB11MP_GPIO0; - gpio1_device.irq[0] = IRQ_EB11MP_GPIO1; - gpio2_device.irq[0] = IRQ_EB11MP_GPIO2; - rtc_device.irq[0] = IRQ_EB11MP_RTC; - sci0_device.irq[0] = IRQ_EB11MP_SCI; - ssp0_device.irq[0] = IRQ_EB11MP_SSP; - aaci_device.irq[0] = IRQ_EB11MP_AACI; - mmc0_device.irq[0] = IRQ_EB11MP_MMCI0A; - mmc0_device.irq[1] = IRQ_EB11MP_MMCI0B; - kmi0_device.irq[0] = IRQ_EB11MP_KMI0; - kmi1_device.irq[0] = IRQ_EB11MP_KMI1; - - /* platform devices */ - realview_eb_eth_resources[1].start = IRQ_EB11MP_ETH; - realview_eb_eth_resources[1].end = IRQ_EB11MP_ETH; - realview_eb_isp1761_resources[1].start = IRQ_EB11MP_USB; - realview_eb_isp1761_resources[1].end = IRQ_EB11MP_USB; -} - -#ifdef CONFIG_HAVE_ARM_TWD -static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, - REALVIEW_EB11MP_TWD_BASE, - IRQ_LOCALTIMER); - -static void __init realview_eb_twd_init(void) -{ - if (core_tile_eb11mp() || core_tile_a9mp()) { - int err = twd_local_timer_register(&twd_local_timer); - if (err) - pr_err("twd_local_timer_register failed %d\n", err); - } -} -#else -#define realview_eb_twd_init() do { } while(0) -#endif - -static void __init realview_eb_timer_init(void) -{ - unsigned int timer_irq; - - timer0_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE); - timer1_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE) + 0x20; - timer2_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE); - timer3_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE) + 0x20; - - if (core_tile_eb11mp() || core_tile_a9mp()) - timer_irq = IRQ_EB11MP_TIMER0_1; - else - timer_irq = IRQ_EB_TIMER0_1; - - realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); - realview_timer_init(timer_irq); - realview_eb_twd_init(); -} - -static void realview_eb_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); - if (core_tile_eb11mp()) - __raw_writel(0x0008, reset_ctrl); - dsb(); -} - -static void __init realview_eb_init(void) -{ - int i; - - if (core_tile_eb11mp() || core_tile_a9mp()) { - realview_eb11mp_fixup(); - -#ifdef CONFIG_CACHE_L2X0 - /* - * The PL220 needs to be manually configured as the hardware - * doesn't report the correct sizes. - * 1MB (128KB/way), 8-way associativity, event monitor and - * parity enabled, ignore share bit, no force write allocate - * Bits: .... ...0 0111 1001 0000 .... .... .... - */ - l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); - - /* - * due to a bug in the l220 cache controller, we must not call - * the sync function. stub it out here instead! - */ - outer_cache.sync = NULL; -#endif - pmu_device.name = core_tile_a9mp() ? "armv7-pmu" : "armv6-pmu"; - platform_device_register(&pmu_device); - } - - realview_flash_register(&realview_eb_flash_resource, 1); - platform_device_register(&realview_i2c_device); - platform_device_register(&char_lcd_device); - platform_device_register(&realview_leds_device); - eth_device_register(); - realview_usb_register(realview_eb_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_EB, "ARM-RealView EB") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .smp = smp_ops(realview_smp_ops), - .fixup = realview_fixup, - .map_io = realview_eb_map_io, - .init_early = realview_init_early, - .init_irq = gic_init_irq, - .init_time = realview_eb_timer_init, - .init_machine = realview_eb_init, -#ifdef CONFIG_ZONE_DMA - .dma_zone_size = SZ_256M, -#endif - .restart = realview_eb_restart, -MACHINE_END |
