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// 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
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