158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* linux/arch/arm/mach-sa1100/shannon.c
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/device.h>
|
|
#include <linux/gpio/machine.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_data/sa11x0-serial.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/regulator/fixed.h>
|
|
#include <linux/regulator/machine.h>
|
|
|
|
#include <video/sa1100fb.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/setup.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
#include <asm/mach/map.h>
|
|
#include <linux/platform_data/mfd-mcp-sa11x0.h>
|
|
#include <mach/shannon.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#include "generic.h"
|
|
|
|
static struct mtd_partition shannon_partitions[] = {
|
|
{
|
|
.name = "BLOB boot loader",
|
|
.offset = 0,
|
|
.size = 0x20000
|
|
},
|
|
{
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 0xe0000
|
|
},
|
|
{
|
|
.name = "initrd",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL
|
|
}
|
|
};
|
|
|
|
static struct flash_platform_data shannon_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.parts = shannon_partitions,
|
|
.nr_parts = ARRAY_SIZE(shannon_partitions),
|
|
};
|
|
|
|
static struct resource shannon_flash_resource =
|
|
DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M);
|
|
|
|
static struct mcp_plat_data shannon_mcp_data = {
|
|
.mccr0 = MCCR0_ADM,
|
|
.sclk_rate = 11981000,
|
|
};
|
|
|
|
static struct sa1100fb_mach_info shannon_lcd_info = {
|
|
.pixclock = 152500, .bpp = 8,
|
|
.xres = 640, .yres = 480,
|
|
|
|
.hsync_len = 4, .vsync_len = 3,
|
|
.left_margin = 2, .upper_margin = 0,
|
|
.right_margin = 1, .lower_margin = 0,
|
|
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
|
|
.lccr0 = LCCR0_Color | LCCR0_Dual | LCCR0_Pas,
|
|
.lccr3 = LCCR3_ACBsDiv(512),
|
|
};
|
|
|
|
static struct gpiod_lookup_table shannon_pcmcia0_gpio_table = {
|
|
.dev_id = "sa11x0-pcmcia.0",
|
|
.table = {
|
|
GPIO_LOOKUP("gpio", 24, "detect", GPIO_ACTIVE_LOW),
|
|
GPIO_LOOKUP("gpio", 26, "ready", GPIO_ACTIVE_HIGH),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static struct gpiod_lookup_table shannon_pcmcia1_gpio_table = {
|
|
.dev_id = "sa11x0-pcmcia.1",
|
|
.table = {
|
|
GPIO_LOOKUP("gpio", 25, "detect", GPIO_ACTIVE_LOW),
|
|
GPIO_LOOKUP("gpio", 27, "ready", GPIO_ACTIVE_HIGH),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static struct regulator_consumer_supply shannon_cf_vcc_consumers[] = {
|
|
REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.0"),
|
|
REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"),
|
|
};
|
|
|
|
static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = {
|
|
.supply_name = "cf-power",
|
|
.microvolts = 3300000,
|
|
.enabled_at_boot = 1,
|
|
};
|
|
|
|
static struct gpiod_lookup_table shannon_display_gpio_table = {
|
|
.dev_id = "sa11x0-fb",
|
|
.table = {
|
|
GPIO_LOOKUP("gpio", 22, "shannon-lcden", GPIO_ACTIVE_HIGH),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
static void __init shannon_init(void)
|
|
{
|
|
sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata,
|
|
shannon_cf_vcc_consumers,
|
|
ARRAY_SIZE(shannon_cf_vcc_consumers),
|
|
false);
|
|
sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table);
|
|
sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table);
|
|
sa11x0_ppc_configure_mcp();
|
|
gpiod_add_lookup_table(&shannon_display_gpio_table);
|
|
sa11x0_register_lcd(&shannon_lcd_info);
|
|
sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
|
|
sa11x0_register_mcp(&shannon_mcp_data);
|
|
}
|
|
|
|
static void __init shannon_map_io(void)
|
|
{
|
|
sa1100_map_io();
|
|
|
|
sa1100_register_uart(0, 3);
|
|
sa1100_register_uart(1, 1);
|
|
|
|
Ser1SDCR0 |= SDCR0_SUS;
|
|
GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
|
|
GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
|
|
GPDR &= ~GPIO_UART_RXD;
|
|
PPAR |= PPAR_UPR;
|
|
|
|
/* reset the codec */
|
|
GPCR = SHANNON_GPIO_CODEC_RESET;
|
|
GPSR = SHANNON_GPIO_CODEC_RESET;
|
|
}
|
|
|
|
MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
|
|
.atag_offset = 0x100,
|
|
.map_io = shannon_map_io,
|
|
.nr_irqs = SA1100_NR_IRQS,
|
|
.init_irq = sa1100_init_irq,
|
|
.init_time = sa1100_timer_init,
|
|
.init_machine = shannon_init,
|
|
.init_late = sa11x0_init_late,
|
|
.restart = sa11x0_restart,
|
|
MACHINE_END
|