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// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-sa1100/cerf.c
*
* 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/gpio/machine.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,
};
/* Compact Flash */
static struct gpiod_lookup_table cerf_cf_gpio_table = {
.dev_id = "sa11x0-pcmcia.1",
.table = {
GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW),
{ },
},
};
/* 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_devices[] __initdata = {
&cerfuart2_device,
};
#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);
}
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));
gpio_led_register_device(-1, &cerf_gpio_led_info);
sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
sa11x0_register_mcp(&cerf_mcp_data);
sa11x0_register_pcmcia(1, &cerf_cf_gpio_table);
}
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
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