+++ /dev/null
-/*
- * linux/arch/arm/mach-at91/board-usb-a926x.c
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/types.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/gpio_keys.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/spi/mmc_spi.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 "at91_aic.h"
-#include "at91_shdwc.h"
-#include "board.h"
-#include "sam9_smc.h"
-#include "generic.h"
-
-
-static void __init ek_init_early(void)
-{
- /* Initialize processor: 12.00 MHz crystal */
- at91_initialize(12000000);
-}
-
-/*
- * USB Host port
- */
-static struct at91_usbh_data __initdata ek_usbh_data = {
- .ports = 2,
- .vbus_pin = {-EINVAL, -EINVAL},
- .overcurrent_pin= {-EINVAL, -EINVAL},
-};
-
-/*
- * USB Device port
- */
-static struct at91_udc_data __initdata ek_udc_data = {
- .vbus_pin = AT91_PIN_PB11,
- .pullup_pin = -EINVAL, /* pull-up driven by UDC */
-};
-
-static void __init ek_add_device_udc(void)
-{
- 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 usb_a9263_spi_devices[] = {
- { /* DataFlash chip */
- .modalias = "mtd_dataflash",
- .chip_select = 0,
- .max_speed_hz = 15 * 1000 * 1000,
- .bus_num = 0,
- }
-};
-
-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(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));
-}
-
-/*
- * MACB Ethernet device
- */
-static struct macb_platform_data __initdata ek_macb_data = {
- .phy_irq_pin = AT91_PIN_PE31,
- .is_rmii = 1,
-};
-
-static void __init ek_add_device_eth(void)
-{
- 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);
-}
-
-/*
- * NAND flash
- */
-static struct mtd_partition __initdata ek_nand_partition[] = {
- {
- .name = "barebox",
- .offset = 0,
- .size = 3 * SZ_128K,
- }, {
- .name = "bareboxenv",
- .offset = MTDPART_OFS_NXTBLK,
- .size = SZ_128K,
- }, {
- .name = "bareboxenv2",
- .offset = MTDPART_OFS_NXTBLK,
- .size = SZ_128K,
- }, {
- .name = "oftree",
- .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,
- }
-};
-
-static struct atmel_nand_data __initdata ek_nand_data = {
- .ale = 21,
- .cle = 22,
- .det_pin = -EINVAL,
- .rdy_pin = AT91_PIN_PA22,
- .enable_pin = AT91_PIN_PD15,
- .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 usb_a9260_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 | AT91_SMC_DBW_8,
- .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() || 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) */
- if (machine_is_usb_a9g20())
- sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config);
- else
- sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config);
-
- at91_add_device_nand(&ek_nand_data);
-}
-
-
-/*
- * GPIO Buttons
- */
-#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
-static struct gpio_keys_button ek_buttons[] = {
- { /* USER PUSH BUTTON */
- .code = KEY_ENTER,
- .gpio = AT91_PIN_PB10,
- .active_low = 1,
- .desc = "user_pb",
- .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_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
- at91_set_deglitch(AT91_PIN_PB10, 1);
-
- platform_device_register(&ek_button_device);
-}
-#else
-static void __init ek_add_device_buttons(void) {}
-#endif
-
-/*
- * LEDs
- */
-static struct gpio_led ek_leds[] = {
- { /* user_led (green) */
- .name = "user_led",
- .gpio = AT91_PIN_PB21,
- .active_low = 1,
- .default_trigger = "heartbeat",
- }
-};
-
-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() || 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 */
- /* DBGU on ttyS0. (Rx & Tx only) */
- at91_register_uart(0, 0, 0);
- at91_add_device_serial();
- /* USB Host */
- at91_add_device_usbh(&ek_usbh_data);
- /* USB Device */
- ek_add_device_udc();
- /* SPI */
- ek_add_device_spi();
- /* Ethernet */
- ek_add_device_eth();
- /* NAND */
- ek_add_device_nand();
- /* Push Buttons */
- ek_add_device_buttons();
- /* LEDs */
- ek_add_device_leds();
-
- 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_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
- | AT91_SHDW_WKMODE0_LOW
- | AT91_SHDW_RTTWKEN);
- }
-}
-
-MACHINE_START(USB_A9263, "CALAO USB_A9263")
- /* Maintainer: calao-systems */
- .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
-
-MACHINE_START(USB_A9260, "CALAO USB_A9260")
- /* Maintainer: calao-systems */
- .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
-
-MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
- /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
- .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
projects / deliverable / linux.git / commitdiff
