* Copyright (C) 2005 SAN People
* Copyright (C) 2007 Atmel Corporation.
* Copyright (C) 2007 Calao-systems
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <linux/spi/spi.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
+#include <linux/spi/mmc_spi.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
.pullup_pin = 0, /* pull-up driven by UDC */
};
-void ek_add_device_udc(void)
+static void __init ek_add_device_udc(void)
{
- if (machine_is_usb_a9260())
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_udc_data.vbus_pin = AT91_PIN_PC5;
at91_add_device_udc(&ek_udc_data);
}
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4
+static int at91_mmc_spi_init(struct device *dev,
+ irqreturn_t (*detect_int)(int, void *), void *data)
+{
+ /* Configure Interrupt pin as input, no pull-up */
+ at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0);
+ return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int,
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ "mmc-spi-detect", data);
+}
+
+static void at91_mmc_spi_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data);
+}
+
+static struct mmc_spi_platform_data at91_mmc_spi_pdata = {
+ .init = at91_mmc_spi_init,
+ .exit = at91_mmc_spi_exit,
+ .detect_delay = 100, /* msecs */
+};
+#endif
+
/*
* SPI devices.
*/
-static struct spi_board_info ek_spi_devices[] = {
+static struct spi_board_info usb_a9263_spi_devices[] = {
#if !defined(CONFIG_MMC_AT91)
{ /* DataFlash chip */
.modalias = "mtd_dataflash",
#endif
};
-void ek_add_device_spi(void)
+static struct spi_board_info usb_a9g20_spi_devices[] = {
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+ {
+ .modalias = "mmc_spi",
+ .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 1,
+ .chip_select = 0,
+ .platform_data = &at91_mmc_spi_pdata,
+ .mode = SPI_MODE_3,
+ },
+#endif
+};
+
+static void __init ek_add_device_spi(void)
{
if (machine_is_usb_a9263())
- at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices));
+ else if (machine_is_usb_a9g20())
+ at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices));
}
/*
.is_rmii = 1,
};
-void ek_add_device_eth(void)
+static void __init ek_add_device_eth(void)
{
- if (machine_is_usb_a9260())
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_macb_data.phy_irq_pin = AT91_PIN_PA31;
at91_add_device_eth(&ek_macb_data);
*/
static struct mtd_partition __initdata ek_nand_partition[] = {
{
- .name = "Uboot & Kernel",
+ .name = "barebox",
.offset = 0,
- .size = SZ_16M,
- },
- {
- .name = "Root FS",
+ .size = 3 * SZ_128K,
+ }, {
+ .name = "bareboxenv",
.offset = MTDPART_OFS_NXTBLK,
- .size = 120 * SZ_1M,
- },
- {
- .name = "FS",
+ .size = SZ_128K,
+ }, {
+ .name = "bareboxenv2",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_128K,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 4 * SZ_1M,
+ }, {
+ .name = "rootfs",
.offset = MTDPART_OFS_NXTBLK,
.size = 120 * SZ_1M,
+ }, {
+ .name = "data",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
}
};
.partition_info = nand_partitions,
};
-static struct sam9_smc_config __initdata ek_nand_smc_config = {
+static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 1,
.ncs_write_setup = 0,
.tdf_cycles = 2,
};
+static struct sam9_smc_config __initdata usb_a9g20_nand_smc_config = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 2,
+ .ncs_write_setup = 0,
+ .nwe_setup = 2,
+
+ .ncs_read_pulse = 4,
+ .nrd_pulse = 4,
+ .ncs_write_pulse = 4,
+ .nwe_pulse = 4,
+
+ .read_cycle = 7,
+ .write_cycle = 7,
+
+ .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+ .tdf_cycles = 3,
+};
+
static void __init ek_add_device_nand(void)
{
- if (machine_is_usb_a9260()) {
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20()) {
ek_nand_data.rdy_pin = AT91_PIN_PC13;
ek_nand_data.enable_pin = AT91_PIN_PC14;
}
/* configure chip-select 3 (NAND) */
- sam9_smc_configure(3, &ek_nand_smc_config);
+ if (machine_is_usb_a9g20())
+ sam9_smc_configure(3, &usb_a9g20_nand_smc_config);
+ else
+ sam9_smc_configure(3, &usb_a9260_nand_smc_config);
at91_add_device_nand(&ek_nand_data);
}
}
};
-void ek_add_device_leds(void)
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("rv3029c2", 0x56),
+ },
+};
+
+static void __init ek_add_device_leds(void)
{
- if (machine_is_usb_a9260())
+ if (machine_is_usb_a9260() || machine_is_usb_a9g20())
ek_leds[0].active_low = 0;
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}
-
static void __init ek_board_init(void)
{
/* Serial */
ek_add_device_eth();
/* NAND */
ek_add_device_nand();
- /* I2C */
- at91_add_device_i2c(NULL, 0);
/* Push Buttons */
ek_add_device_buttons();
/* LEDs */
ek_add_device_leds();
- /* shutdown controller, wakeup button (5 msec low) */
- at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+
+ if (machine_is_usb_a9g20()) {
+ /* I2C */
+ at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
+ } else {
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
+ | AT91_SHDW_WKMODE0_LOW
| AT91_SHDW_RTTWKEN);
+ }
}
MACHINE_START(USB_A9263, "CALAO USB_A9263")
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END
+
+MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
+ /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
+ .timer = &at91sam926x_timer,
+ .map_io = at91_map_io,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = ek_board_init,
+MACHINE_END
projects / platform / kernel / linux-rpi.git / commitdiff