/* * 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/sysdev.h> #include <linux/amba/bus.h> #include <linux/io.h> #include <mach/hardware.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/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> #include <asm/mach/mmc.h> #include <asm/mach/time.h> #include <mach/board-pb1176.h> #include <mach/irqs.h> #include "core.h" #include "clock.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)); } /* * RealView PB1176 AMBA devices */ #define GPIO2_IRQ { IRQ_PB1176_GPIO2, NO_IRQ } #define GPIO2_DMA { 0, 0 } #define GPIO3_IRQ { IRQ_PB1176_GPIO3, NO_IRQ } #define GPIO3_DMA { 0, 0 } #define AACI_IRQ { IRQ_PB1176_AACI, NO_IRQ } #define AACI_DMA { 0x80, 0x81 } #define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B } #define MMCI0_DMA { 0x84, 0 } #define KMI0_IRQ { IRQ_PB1176_KMI0, NO_IRQ } #define KMI0_DMA { 0, 0 } #define KMI1_IRQ { IRQ_PB1176_KMI1, NO_IRQ } #define KMI1_DMA { 0, 0 } #define PB1176_SMC_IRQ { NO_IRQ, NO_IRQ } #define PB1176_SMC_DMA { 0, 0 } #define MPMC_IRQ { NO_IRQ, NO_IRQ } #define MPMC_DMA { 0, 0 } #define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ } #define PB1176_CLCD_DMA { 0, 0 } #define DMAC_IRQ { IRQ_PB1176_DMAC, NO_IRQ } #define DMAC_DMA { 0, 0 } #define SCTL_IRQ { NO_IRQ, NO_IRQ } #define SCTL_DMA { 0, 0 } #define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG, NO_IRQ } #define PB1176_WATCHDOG_DMA { 0, 0 } #define PB1176_GPIO0_IRQ { IRQ_PB1176_GPIO0, NO_IRQ } #define PB1176_GPIO0_DMA { 0, 0 } #define GPIO1_IRQ { IRQ_PB1176_GPIO1, NO_IRQ } #define GPIO1_DMA { 0, 0 } #define PB1176_RTC_IRQ { IRQ_DC1176_RTC, NO_IRQ } #define PB1176_RTC_DMA { 0, 0 } #define SCI_IRQ { IRQ_PB1176_SCI, NO_IRQ } #define SCI_DMA { 7, 6 } #define PB1176_UART0_IRQ { IRQ_DC1176_UART0, NO_IRQ } #define PB1176_UART0_DMA { 15, 14 } #define PB1176_UART1_IRQ { IRQ_DC1176_UART1, NO_IRQ } #define PB1176_UART1_DMA { 13, 12 } #define PB1176_UART2_IRQ { IRQ_DC1176_UART2, NO_IRQ } #define PB1176_UART2_DMA { 11, 10 } #define PB1176_UART3_IRQ { IRQ_DC1176_UART3, NO_IRQ } #define PB1176_UART3_DMA { 0x86, 0x87 } #define PB1176_SSP_IRQ { IRQ_PB1176_SSP, NO_IRQ } #define PB1176_SSP_DMA { 9, 8 } /* 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", PB1176_UART3, NULL); /* DevChip Primecells */ AMBA_DEVICE(smc, "dev:00", PB1176_SMC, NULL); AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); AMBA_DEVICE(wdog, "dev:e1", PB1176_WATCHDOG, NULL); AMBA_DEVICE(gpio0, "dev:e4", PB1176_GPIO0, NULL); AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); AMBA_DEVICE(rtc, "dev:e8", PB1176_RTC, NULL); AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); AMBA_DEVICE(uart0, "dev:f1", PB1176_UART0, NULL); AMBA_DEVICE(uart1, "dev:f2", PB1176_UART1, NULL); AMBA_DEVICE(uart2, "dev:f3", PB1176_UART2, NULL); AMBA_DEVICE(ssp0, "dev:f4", PB1176_SSP, NULL); /* Primecells on the NEC ISSP chip */ AMBA_DEVICE(clcd, "issp:20", PB1176_CLCD, &clcd_plat_data); //AMBA_DEVICE(dmac, "issp:30", PB1176_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 PB1176 platform devices */ static struct resource realview_pb1176_flash_resource = { .start = REALVIEW_PB1176_FLASH_BASE, .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, .flags = IORESOURCE_MEM, }; 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 void __init gic_init_irq(void) { /* ARM1176 DevChip GIC, primary */ gic_cpu_base_addr = __io_address(REALVIEW_DC1176_GIC_CPU_BASE); gic_dist_init(0, __io_address(REALVIEW_DC1176_GIC_DIST_BASE), IRQ_DC1176_GIC_START); gic_cpu_init(0, gic_cpu_base_addr); /* board GIC, secondary */ gic_dist_init(1, __io_address(REALVIEW_PB1176_GIC_DIST_BASE), IRQ_PB1176_GIC_START); gic_cpu_init(1, __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_timer_init(IRQ_DC1176_TIMER0); } static struct sys_timer realview_pb1176_timer = { .init = realview_pb1176_timer_init, }; static void __init realview_pb1176_init(void) { int i; #ifdef CONFIG_CACHE_L2X0 /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); #endif realview_flash_register(&realview_pb1176_flash_resource, 1); realview_eth_register(NULL, realview_pb1176_smsc911x_resources); 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_PB1176, "ARM-RealView PB1176") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .phys_io = REALVIEW_PB1176_UART0_BASE, .io_pg_offst = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x00000100, .map_io = realview_pb1176_map_io, .init_irq = gic_init_irq, .timer = &realview_pb1176_timer, .init_machine = realview_pb1176_init, MACHINE_END