6b13f685e
김민수
BSP 최초 추가
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#include <linux/types.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
#include <linux/platform_data/at24.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/at91sam9_smc.h>
#include <mach/system_rev.h>
#include "at91_aic.h"
#include "at91_shdwc.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
static void __init ek_init_early(void)
{
at91_initialize(18432000);
}
static struct at91_usbh_data __initdata ek_usbh_data = {
.ports = 2,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
static struct at91_udc_data __initdata ek_udc_data = {
.vbus_pin = AT91_PIN_PC5,
.pullup_pin = -EINVAL,
};
static struct at73c213_board_info at73c213_data = {
.ssc_id = 0,
.shortname = "AT91SAM9260-EK external DAC",
};
#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
static void __init at73c213_set_clk(struct at73c213_board_info *info)
{
struct clk *pck0;
struct clk *plla;
pck0 = clk_get(NULL, "pck0");
plla = clk_get(NULL, "plla");
at91_set_B_periph(AT91_PIN_PC1, 0);
clk_set_parent(pck0, plla);
clk_put(plla);
info->dac_clk = pck0;
}
#else
static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
#endif
static struct spi_board_info ek_spi_devices[] = {
#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
{
.modalias = "mtd_dataflash",
.chip_select = 1,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
{
.modalias = "mtd_dataflash",
.chip_select = 0,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#endif
#endif
#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
{
.modalias = "at73c213",
.chip_select = 0,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 1,
.mode = SPI_MODE_1,
.platform_data = &at73c213_data,
},
#endif
};
static struct macb_platform_data __initdata ek_macb_data = {
.phy_irq_pin = AT91_PIN_PA7,
.is_rmii = 1,
};
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
.size = SZ_256K,
},
{
.name = "Partition 2",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
static struct atmel_nand_data __initdata ek_nand_data = {
.ale = 21,
.cle = 22,
.det_pin = -EINVAL,
.rdy_pin = AT91_PIN_PC13,
.enable_pin = AT91_PIN_PC14,
.ecc_mode = NAND_ECC_SOFT,
.on_flash_bbt = 1,
.parts = ek_nand_partition,
.num_parts = ARRAY_SIZE(ek_nand_partition),
};
static struct sam9_smc_config __initdata ek_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 1,
.ncs_write_setup = 0,
.nwe_setup = 1,
.ncs_read_pulse = 3,
.nrd_pulse = 3,
.ncs_write_pulse = 3,
.nwe_pulse = 3,
.read_cycle = 5,
.write_cycle = 5,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
.tdf_cycles = 2,
};
static void __init ek_add_device_nand(void)
{
ek_nand_data.bus_width_16 = board_have_nand_16bit();
if (ek_nand_data.bus_width_16)
ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
else
ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
sam9_smc_configure(0, 3, &ek_nand_smc_config);
at91_add_device_nand(&ek_nand_data);
}
static struct mci_platform_data __initdata ek_mci0_data = {
.slot[1] = {
.bus_width = 4,
.detect_pin = -EINVAL,
.wp_pin = -EINVAL,
},
};
static struct gpio_led ek_leds[] = {
{
.name = "ds5",
.gpio = AT91_PIN_PA6,
.active_low = 1,
.default_trigger = "none",
},
{
.name = "ds1",
.gpio = AT91_PIN_PA9,
.default_trigger = "heartbeat",
}
};
static struct at24_platform_data at24c512 = {
.byte_len = SZ_512K / 8,
.page_size = 128,
.flags = AT24_FLAG_ADDR16,
};
static struct i2c_board_info __initdata ek_i2c_devices[] = {
{
I2C_BOARD_INFO("24c512", 0x50),
.platform_data = &at24c512,
},
};
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button ek_buttons[] = {
{
.gpio = AT91_PIN_PA30,
.code = BTN_3,
.desc = "Button 3",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PA31,
.code = BTN_4,
.desc = "Button 4",
.active_low = 1,
.wakeup = 1,
}
};
static struct gpio_keys_platform_data ek_button_data = {
.buttons = ek_buttons,
.nbuttons = ARRAY_SIZE(ek_buttons),
};
static struct platform_device ek_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ek_button_data,
}
};
static void __init ek_add_device_buttons(void)
{
at91_set_gpio_input(AT91_PIN_PA30, 1);
at91_set_deglitch(AT91_PIN_PA30, 1);
at91_set_gpio_input(AT91_PIN_PA31, 1);
at91_set_deglitch(AT91_PIN_PA31, 1);
platform_device_register(&ek_button_device);
}
#else
static void __init ek_add_device_buttons(void) {}
#endif
static void __init ek_board_init(void)
{
at91_register_uart(0, 0, 0);
at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
| ATMEL_UART_RI);
at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
at91_add_device_serial();
at91_add_device_usbh(&ek_usbh_data);
at91_add_device_udc(&ek_udc_data);
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
ek_add_device_nand();
at91_add_device_eth(&ek_macb_data);
at91_add_device_mci(0, &ek_mci0_data);
at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
at73c213_set_clk(&at73c213_data);
at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
ek_add_device_buttons();
}
MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
.init_time = at91sam926x_pit_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = ek_init_early,
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END
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