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181 lines
4.2 KiB
181 lines
4.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-sa1100/cerf.c |
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* |
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* Apr-2003 : Removed some old PDA crud [FB] |
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* Oct-2003 : Added uart2 resource [FB] |
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* Jan-2004 : Removed io map for flash [FB] |
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*/ |
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#include <linux/init.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/kernel.h> |
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#include <linux/tty.h> |
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#include <linux/platform_data/sa11x0-serial.h> |
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#include <linux/platform_device.h> |
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#include <linux/irq.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/gpio.h> |
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#include <linux/leds.h> |
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#include <mach/hardware.h> |
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#include <asm/setup.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include <asm/mach/map.h> |
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#include <mach/cerf.h> |
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#include <linux/platform_data/mfd-mcp-sa11x0.h> |
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#include <mach/irqs.h> |
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#include "generic.h" |
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static struct resource cerfuart2_resources[] = { |
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[0] = DEFINE_RES_MEM(0x80030000, SZ_64K), |
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}; |
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static struct platform_device cerfuart2_device = { |
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.name = "sa11x0-uart", |
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.id = 2, |
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.num_resources = ARRAY_SIZE(cerfuart2_resources), |
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.resource = cerfuart2_resources, |
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}; |
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/* Compact Flash */ |
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static struct gpiod_lookup_table cerf_cf_gpio_table = { |
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.dev_id = "sa11x0-pcmcia.1", |
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.table = { |
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GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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/* LEDs */ |
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struct gpio_led cerf_gpio_leds[] = { |
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{ |
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.name = "cerf:d0", |
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.default_trigger = "heartbeat", |
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.gpio = 0, |
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}, |
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{ |
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.name = "cerf:d1", |
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.default_trigger = "cpu0", |
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.gpio = 1, |
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}, |
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{ |
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.name = "cerf:d2", |
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.default_trigger = "default-on", |
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.gpio = 2, |
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}, |
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{ |
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.name = "cerf:d3", |
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.default_trigger = "default-on", |
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.gpio = 3, |
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}, |
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}; |
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static struct gpio_led_platform_data cerf_gpio_led_info = { |
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.leds = cerf_gpio_leds, |
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.num_leds = ARRAY_SIZE(cerf_gpio_leds), |
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}; |
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static struct platform_device *cerf_devices[] __initdata = { |
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&cerfuart2_device, |
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}; |
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#ifdef CONFIG_SA1100_CERF_FLASH_32MB |
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# define CERF_FLASH_SIZE 0x02000000 |
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#elif defined CONFIG_SA1100_CERF_FLASH_16MB |
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# define CERF_FLASH_SIZE 0x01000000 |
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#elif defined CONFIG_SA1100_CERF_FLASH_8MB |
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# define CERF_FLASH_SIZE 0x00800000 |
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#else |
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# error "Undefined flash size for CERF" |
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#endif |
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static struct mtd_partition cerf_partitions[] = { |
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{ |
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.name = "Bootloader", |
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.size = 0x00020000, |
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.offset = 0x00000000, |
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}, { |
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.name = "Params", |
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.size = 0x00040000, |
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.offset = 0x00020000, |
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}, { |
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.name = "Kernel", |
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.size = 0x00100000, |
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.offset = 0x00060000, |
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}, { |
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.name = "Filesystem", |
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.size = CERF_FLASH_SIZE-0x00160000, |
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.offset = 0x00160000, |
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} |
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}; |
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static struct flash_platform_data cerf_flash_data = { |
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.map_name = "cfi_probe", |
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.parts = cerf_partitions, |
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.nr_parts = ARRAY_SIZE(cerf_partitions), |
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}; |
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static struct resource cerf_flash_resource = |
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DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); |
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static void __init cerf_init_irq(void) |
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{ |
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sa1100_init_irq(); |
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irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING); |
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} |
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static struct map_desc cerf_io_desc[] __initdata = { |
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{ /* Crystal Ethernet Chip */ |
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.virtual = 0xf0000000, |
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.pfn = __phys_to_pfn(0x08000000), |
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.length = 0x00100000, |
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.type = MT_DEVICE |
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} |
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}; |
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static void __init cerf_map_io(void) |
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{ |
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sa1100_map_io(); |
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iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc)); |
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sa1100_register_uart(0, 3); |
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sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */ |
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sa1100_register_uart(2, 1); |
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} |
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static struct mcp_plat_data cerf_mcp_data = { |
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.mccr0 = MCCR0_ADM, |
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.sclk_rate = 11981000, |
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}; |
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static void __init cerf_init(void) |
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{ |
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sa11x0_ppc_configure_mcp(); |
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platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); |
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gpio_led_register_device(-1, &cerf_gpio_led_info); |
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sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); |
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sa11x0_register_mcp(&cerf_mcp_data); |
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sa11x0_register_pcmcia(1, &cerf_cf_gpio_table); |
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} |
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MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") |
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/* Maintainer: [email protected] */ |
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.map_io = cerf_map_io, |
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.nr_irqs = SA1100_NR_IRQS, |
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.init_irq = cerf_init_irq, |
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.init_time = sa1100_timer_init, |
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.init_machine = cerf_init, |
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.init_late = sa11x0_init_late, |
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.restart = sa11x0_restart, |
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MACHINE_END
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