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157 lines
3.8 KiB
157 lines
3.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* linux/arch/arm/mach-sa1100/shannon.c |
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*/ |
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#include <linux/init.h> |
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#include <linux/device.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_data/sa11x0-serial.h> |
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#include <linux/tty.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/regulator/fixed.h> |
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#include <linux/regulator/machine.h> |
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#include <video/sa1100fb.h> |
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#include <mach/hardware.h> |
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#include <asm/mach-types.h> |
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#include <asm/setup.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 <linux/platform_data/mfd-mcp-sa11x0.h> |
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#include <mach/shannon.h> |
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#include <mach/irqs.h> |
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#include "generic.h" |
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static struct mtd_partition shannon_partitions[] = { |
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{ |
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.name = "BLOB boot loader", |
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.offset = 0, |
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.size = 0x20000 |
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}, |
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{ |
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.name = "kernel", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 0xe0000 |
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}, |
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{ |
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.name = "initrd", |
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.offset = MTDPART_OFS_APPEND, |
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.size = MTDPART_SIZ_FULL |
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} |
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}; |
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static struct flash_platform_data shannon_flash_data = { |
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.map_name = "cfi_probe", |
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.parts = shannon_partitions, |
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.nr_parts = ARRAY_SIZE(shannon_partitions), |
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}; |
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static struct resource shannon_flash_resource = |
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DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M); |
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static struct mcp_plat_data shannon_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 struct sa1100fb_mach_info shannon_lcd_info = { |
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.pixclock = 152500, .bpp = 8, |
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.xres = 640, .yres = 480, |
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.hsync_len = 4, .vsync_len = 3, |
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.left_margin = 2, .upper_margin = 0, |
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.right_margin = 1, .lower_margin = 0, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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.lccr0 = LCCR0_Color | LCCR0_Dual | LCCR0_Pas, |
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.lccr3 = LCCR3_ACBsDiv(512), |
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}; |
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static struct gpiod_lookup_table shannon_pcmcia0_gpio_table = { |
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.dev_id = "sa11x0-pcmcia.0", |
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.table = { |
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GPIO_LOOKUP("gpio", 24, "detect", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio", 26, "ready", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table shannon_pcmcia1_gpio_table = { |
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.dev_id = "sa11x0-pcmcia.1", |
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.table = { |
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GPIO_LOOKUP("gpio", 25, "detect", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio", 27, "ready", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static struct regulator_consumer_supply shannon_cf_vcc_consumers[] = { |
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REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.0"), |
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REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"), |
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}; |
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static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = { |
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.supply_name = "cf-power", |
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.microvolts = 3300000, |
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.enabled_at_boot = 1, |
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}; |
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static struct gpiod_lookup_table shannon_display_gpio_table = { |
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.dev_id = "sa11x0-fb", |
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.table = { |
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GPIO_LOOKUP("gpio", 22, "shannon-lcden", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static void __init shannon_init(void) |
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{ |
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sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata, |
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shannon_cf_vcc_consumers, |
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ARRAY_SIZE(shannon_cf_vcc_consumers), |
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false); |
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sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table); |
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sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table); |
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sa11x0_ppc_configure_mcp(); |
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gpiod_add_lookup_table(&shannon_display_gpio_table); |
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sa11x0_register_lcd(&shannon_lcd_info); |
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sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1); |
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sa11x0_register_mcp(&shannon_mcp_data); |
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} |
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static void __init shannon_map_io(void) |
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{ |
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sa1100_map_io(); |
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sa1100_register_uart(0, 3); |
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sa1100_register_uart(1, 1); |
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Ser1SDCR0 |= SDCR0_SUS; |
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GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); |
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GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET; |
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GPDR &= ~GPIO_UART_RXD; |
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PPAR |= PPAR_UPR; |
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/* reset the codec */ |
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GPCR = SHANNON_GPIO_CODEC_RESET; |
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GPSR = SHANNON_GPIO_CODEC_RESET; |
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} |
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MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)") |
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.atag_offset = 0x100, |
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.map_io = shannon_map_io, |
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.nr_irqs = SA1100_NR_IRQS, |
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.init_irq = sa1100_init_irq, |
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.init_time = sa1100_timer_init, |
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.init_machine = shannon_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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