diff options
Diffstat (limited to 'kernel/arch/arm/mach-sa1100/cerf.c')
| -rw-r--r-- | kernel/arch/arm/mach-sa1100/cerf.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-sa1100/cerf.c b/kernel/arch/arm/mach-sa1100/cerf.c new file mode 100644 index 000000000..2d25ececb --- /dev/null +++ b/kernel/arch/arm/mach-sa1100/cerf.c @@ -0,0 +1,181 @@ +/* + * linux/arch/arm/mach-sa1100/cerf.c + * + * 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. + * + * Apr-2003 : Removed some old PDA crud [FB] + * Oct-2003 : Added uart2 resource [FB] + * Jan-2004 : Removed io map for flash [FB] + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/tty.h> +#include <linux/platform_data/sa11x0-serial.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/gpio.h> +#include <linux/leds.h> + +#include <mach/hardware.h> +#include <asm/setup.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> +#include <asm/mach/map.h> + +#include <mach/cerf.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> +#include <mach/irqs.h> +#include "generic.h" + +static struct resource cerfuart2_resources[] = { + [0] = DEFINE_RES_MEM(0x80030000, SZ_64K), +}; + +static struct platform_device cerfuart2_device = { + .name = "sa11x0-uart", + .id = 2, + .num_resources = ARRAY_SIZE(cerfuart2_resources), + .resource = cerfuart2_resources, +}; + +/* LEDs */ +struct gpio_led cerf_gpio_leds[] = { + { + .name = "cerf:d0", + .default_trigger = "heartbeat", + .gpio = 0, + }, + { + .name = "cerf:d1", + .default_trigger = "cpu0", + .gpio = 1, + }, + { + .name = "cerf:d2", + .default_trigger = "default-on", + .gpio = 2, + }, + { + .name = "cerf:d3", + .default_trigger = "default-on", + .gpio = 3, + }, + +}; + +static struct gpio_led_platform_data cerf_gpio_led_info = { + .leds = cerf_gpio_leds, + .num_leds = ARRAY_SIZE(cerf_gpio_leds), +}; + +static struct platform_device cerf_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &cerf_gpio_led_info, + } +}; + + +static struct platform_device *cerf_devices[] __initdata = { + &cerfuart2_device, + &cerf_leds, +}; + +#ifdef CONFIG_SA1100_CERF_FLASH_32MB +# define CERF_FLASH_SIZE 0x02000000 +#elif defined CONFIG_SA1100_CERF_FLASH_16MB +# define CERF_FLASH_SIZE 0x01000000 +#elif defined CONFIG_SA1100_CERF_FLASH_8MB +# define CERF_FLASH_SIZE 0x00800000 +#else +# error "Undefined flash size for CERF" +#endif + +static struct mtd_partition cerf_partitions[] = { + { + .name = "Bootloader", + .size = 0x00020000, + .offset = 0x00000000, + }, { + .name = "Params", + .size = 0x00040000, + .offset = 0x00020000, + }, { + .name = "Kernel", + .size = 0x00100000, + .offset = 0x00060000, + }, { + .name = "Filesystem", + .size = CERF_FLASH_SIZE-0x00160000, + .offset = 0x00160000, + } +}; + +static struct flash_platform_data cerf_flash_data = { + .map_name = "cfi_probe", + .parts = cerf_partitions, + .nr_parts = ARRAY_SIZE(cerf_partitions), +}; + +static struct resource cerf_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); + +static void __init cerf_init_irq(void) +{ + sa1100_init_irq(); + irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING); +} + +static struct map_desc cerf_io_desc[] __initdata = { + { /* Crystal Ethernet Chip */ + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(0x08000000), + .length = 0x00100000, + .type = MT_DEVICE + } +}; + +static void __init cerf_map_io(void) +{ + sa1100_map_io(); + iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc)); + + sa1100_register_uart(0, 3); + sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */ + sa1100_register_uart(2, 1); + + /* set some GPDR bits here while it's safe */ + GPDR |= CERF_GPIO_CF_RESET; +} + +static struct mcp_plat_data cerf_mcp_data = { + .mccr0 = MCCR0_ADM, + .sclk_rate = 11981000, +}; + +static void __init cerf_init(void) +{ + sa11x0_ppc_configure_mcp(); + platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); + sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); + sa11x0_register_mcp(&cerf_mcp_data); +} + +MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") + /* Maintainer: support@intrinsyc.com */ + .map_io = cerf_map_io, + .nr_irqs = SA1100_NR_IRQS, + .init_irq = cerf_init_irq, + .init_time = sa1100_timer_init, + .init_machine = cerf_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, +MACHINE_END |