diff options
Diffstat (limited to 'arch/arm/mach-mps/board-mps.c')
| -rw-r--r-- | arch/arm/mach-mps/board-mps.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/arm/mach-mps/board-mps.c b/arch/arm/mach-mps/board-mps.c new file mode 100644 index 000000000000..03c1544893a5 --- /dev/null +++ b/arch/arm/mach-mps/board-mps.c @@ -0,0 +1,191 @@ +/* + * linux/arch/arm/mach-mps/board_mps.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 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 <mach/hardware.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/leds.h> +#include <asm/mach-types.h> +#include <asm/hardware/gic.h> +#include <asm/hardware/nvic.h> +#include <asm/hardware/icst307.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/mmc.h> +#include <asm/mach/time.h> + +#include <mach/platform.h> +#include <mach/irqs.h> + +#include "core.h" +#include "clock.h" + +#if PAGE_OFFSET != PHYS_OFFSET +#error "PAGE_OFFSET != PHYS_OFFSET" +#endif + +static void __init mps_map_io(void) +{ +} + +/* + * MPS AMBA devices + */ + +#define GPIO2_IRQ { IRQ_MPS_GPIO2, NO_IRQ } +#define GPIO3_IRQ { IRQ_MPS_GPIO3, NO_IRQ } + +#define AACI_IRQ { IRQ_MPS_AACI, NO_IRQ } +#define MMCI_IRQ { IRQ_MPS_MMCIA, IRQ_MPS_MMCIB } + +#define SMC_IRQ { NO_IRQ, NO_IRQ } +#define MPMC_IRQ { NO_IRQ, NO_IRQ } +#define CLCD_IRQ { IRQ_MPS_CLCD, NO_IRQ } + +#define SCTL_IRQ { NO_IRQ, NO_IRQ } +#define WATCHDOG_IRQ { IRQ_MPS_WDOG, NO_IRQ } +#define GPIO0_IRQ { IRQ_MPS_GPIO0, NO_IRQ } +#define GPIO1_IRQ { IRQ_MPS_GPIO1, NO_IRQ } +#define RTC_IRQ { IRQ_MPS_RTC, NO_IRQ } + +#define UART0_IRQ { IRQ_MPS_UART0, NO_IRQ } +#define UART1_IRQ { IRQ_MPS_UART1, NO_IRQ } +#define UART2_IRQ { IRQ_MPS_UART2, NO_IRQ } +#define UART3_IRQ { IRQ_MPS_UART3, NO_IRQ } +#define SPI_IRQ { IRQ_MPS_SPI, NO_IRQ } + +/* FPGA Primecells */ +AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); +AMBA_DEVICE(mmc0, "fpga:05", MMCI, &mps_mmc0_plat_data); +AMBA_DEVICE(uart3, "fpga:09", UART3, NULL); + +/* DevChip Primecells */ +AMBA_DEVICE(smc, "dev:00", SMC, NULL); +AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data); +AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); +AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL); +AMBA_DEVICE(rtc, "dev:e8", RTC, NULL); +AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); +AMBA_DEVICE(uart1, "dev:f2", UART1, NULL); +AMBA_DEVICE(uart2, "dev:f3", UART2, NULL); +AMBA_DEVICE(spi, "dev:f4", SPI, NULL); + +static struct amba_device *amba_devs[] __initdata = { + &mmc0_device, + &uart0_device, + &uart1_device, + &uart2_device, + &uart3_device, + &smc_device, + &clcd_device, + &sctl_device, + &wdog_device, + &rtc_device, + &spi_device, + &aaci_device, +}; + +/* + * MPS platform devices + */ +static struct resource mps_flash_resource = { + .start = MPS_FLASH_BASE, + .end = MPS_FLASH_BASE + MPS_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct resource mps_eth_resources[] = { + [0] = { + .start = MPS_ETH_BASE, + .end = MPS_ETH_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MPS_ETH, + .end = IRQ_MPS_ETH, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mps_eth_device = { + .name = "smsc911x", + .id = 0, + .num_resources = ARRAY_SIZE(mps_eth_resources), + .resource = mps_eth_resources, +}; + +static void __init gic_init_irq(void) +{ + nvic_init(); +} + +static void __init timer_init(void) +{ + unsigned int timer_irq; + + timer0_va_base = __io_address(MPS_TIMER0_1_BASE); + timer1_va_base = __io_address(MPS_TIMER0_1_BASE) + 0x20; + timer2_va_base = __io_address(MPS_TIMER2_3_BASE); + timer3_va_base = __io_address(MPS_TIMER2_3_BASE) + 0x20; + + timer_irq = IRQ_MPS_TIMER0_1; + + mps_timer_init(timer_irq); +} + +static struct sys_timer mps_timer = { + .init = timer_init, +}; + +static void __init mps_init(void) +{ + int i; + clk_register(&mps_clcd_clk); + + mps_flash_register(&mps_flash_resource, 1); + platform_device_register(&mps_i2c_device); + platform_device_register(&mps_eth_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 = mps_leds_event; +#endif +} + +MACHINE_START(MPS, "ARM MPS") + .phys_io = MPS_UART0_BASE, + .io_pg_offst = (IO_ADDRESS(MPS_UART0_BASE) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = mps_map_io, + .init_irq = gic_init_irq, + .timer = &mps_timer, + .init_machine = mps_init, +MACHINE_END |