diff options
Diffstat (limited to 'arch/arm/mach-rpc/riscpc.c')
| -rw-r--r-- | arch/arm/mach-rpc/riscpc.c | 106 |
1 files changed, 78 insertions, 28 deletions
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index a10268618f7..09d602b10d5 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -17,14 +17,19 @@ #include <linux/sched.h> #include <linux/device.h> #include <linux/serial_8250.h> +#include <linux/ata_platform.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <linux/reboot.h> #include <asm/elf.h> -#include <asm/io.h> #include <asm/mach-types.h> -#include <asm/hardware.h> +#include <mach/hardware.h> +#include <asm/hardware/iomd.h> #include <asm/page.h> #include <asm/domain.h> #include <asm/setup.h> +#include <asm/system_misc.h> #include <asm/mach/map.h> #include <asm/mach/arch.h> @@ -61,9 +66,22 @@ static int __init parse_tag_acorn(const struct tag *tag) __tagtable(ATAG_ACORN, parse_tag_acorn); static struct map_desc rpc_io_desc[] __initdata = { - { SCREEN_BASE, SCREEN_START, 2*1048576, MT_DEVICE }, /* VRAM */ - { (u32)IO_BASE, IO_START, IO_SIZE , MT_DEVICE }, /* IO space */ - { EASI_BASE, EASI_START, EASI_SIZE, MT_DEVICE } /* EASI space */ + { /* VRAM */ + .virtual = SCREEN_BASE, + .pfn = __phys_to_pfn(SCREEN_START), + .length = 2*1048576, + .type = MT_DEVICE + }, { /* IO space */ + .virtual = (u32)IO_BASE, + .pfn = __phys_to_pfn(IO_START), + .length = IO_SIZE , + .type = MT_DEVICE + }, { /* EASI space */ + .virtual = (unsigned long)EASI_BASE, + .pfn = __phys_to_pfn(EASI_START), + .length = EASI_SIZE, + .type = MT_DEVICE + } }; static void __init rpc_map_io(void) @@ -73,7 +91,7 @@ static void __init rpc_map_io(void) /* * Turn off floppy. */ - outb(0xc, 0x3f2); + writeb(0xc, PCIO_BASE + (0x3f2 << 2)); /* * RiscPC can't handle half-word loads and stores @@ -82,15 +100,9 @@ static void __init rpc_map_io(void) } static struct resource acornfb_resources[] = { - { /* VIDC */ - .start = 0x03400000, - .end = 0x035fffff, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_VSYNCPULSE, - .end = IRQ_VSYNCPULSE, - .flags = IORESOURCE_IRQ, - }, + /* VIDC */ + DEFINE_RES_MEM(0x03400000, 0x00200000), + DEFINE_RES_IRQ(IRQ_VSYNCPULSE), }; static struct platform_device acornfb_device = { @@ -104,11 +116,7 @@ static struct platform_device acornfb_device = { }; static struct resource iomd_resources[] = { - { - .start = 0x03200000, - .end = 0x0320ffff, - .flags = IORESOURCE_MEM, - }, + DEFINE_RES_MEM(0x03200000, 0x10000), }; static struct platform_device iomd_device = { @@ -118,18 +126,25 @@ static struct platform_device iomd_device = { .resource = iomd_resources, }; +static struct resource iomd_kart_resources[] = { + DEFINE_RES_IRQ(IRQ_KEYBOARDRX), + DEFINE_RES_IRQ(IRQ_KEYBOARDTX), +}; + static struct platform_device kbd_device = { .name = "kart", .id = -1, .dev = { .parent = &iomd_device.dev, }, + .num_resources = ARRAY_SIZE(iomd_kart_resources), + .resource = iomd_kart_resources, }; static struct plat_serial8250_port serial_platform_data[] = { { .mapbase = 0x03010fe0, - .irq = 10, + .irq = IRQ_SERIALPORT, .uartclk = 1843200, .regshift = 2, .iotype = UPIO_MEM, @@ -140,37 +155,72 @@ static struct plat_serial8250_port serial_platform_data[] = { static struct platform_device serial_device = { .name = "serial8250", - .id = 0, + .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = serial_platform_data, }, }; +static struct pata_platform_info pata_platform_data = { + .ioport_shift = 2, +}; + +static struct resource pata_resources[] = { + DEFINE_RES_MEM(0x030107c0, 0x20), + DEFINE_RES_MEM(0x03010fd8, 0x04), + DEFINE_RES_IRQ(IRQ_HARDDISK), +}; + +static struct platform_device pata_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(pata_resources), + .resource = pata_resources, + .dev = { + .platform_data = &pata_platform_data, + .coherent_dma_mask = ~0, /* grumble */ + }, +}; + static struct platform_device *devs[] __initdata = { &iomd_device, &kbd_device, &serial_device, &acornfb_device, + &pata_device, +}; + +static struct i2c_board_info i2c_rtc = { + I2C_BOARD_INFO("pcf8583", 0x50) }; static int __init rpc_init(void) { + i2c_register_board_info(0, &i2c_rtc, 1); return platform_add_devices(devs, ARRAY_SIZE(devs)); } arch_initcall(rpc_init); -extern struct sys_timer ioc_timer; +static void rpc_restart(enum reboot_mode mode, const char *cmd) +{ + iomd_writeb(0, IOMD_ROMCR0); + + /* + * Jump into the ROM + */ + soft_restart(0); +} + +void ioc_timer_init(void); MACHINE_START(RISCPC, "Acorn-RiscPC") /* Maintainer: Russell King */ - .phys_ram = 0x10000000, - .phys_io = 0x03000000, - .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc, - .boot_params = 0x10000100, + .atag_offset = 0x100, .reserve_lp0 = 1, .reserve_lp1 = 1, .map_io = rpc_map_io, .init_irq = rpc_init_irq, - .timer = &ioc_timer, + .init_time = ioc_timer_init, + .restart = rpc_restart, MACHINE_END |