mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
98619dcb77
Enable it on Calao board too as they are in DT too. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
383 lines
8.9 KiB
C
383 lines
8.9 KiB
C
/*
|
|
* 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/board.h>
|
|
#include <mach/at91sam9_smc.h>
|
|
#include <mach/at91_shdwc.h>
|
|
|
|
#include "sam9_smc.h"
|
|
#include "generic.h"
|
|
|
|
|
|
static void __init ek_init_early(void)
|
|
{
|
|
/* Initialize processor: 12.00 MHz crystal */
|
|
at91_initialize(12000000);
|
|
|
|
/* DBGU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* set serial console to ttyS0 (ie, DBGU) */
|
|
at91_set_serial_console(0);
|
|
}
|
|
|
|
/*
|
|
* 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[] = {
|
|
#if !defined(CONFIG_MMC_AT91)
|
|
{ /* DataFlash chip */
|
|
.modalias = "mtd_dataflash",
|
|
.chip_select = 0,
|
|
.max_speed_hz = 15 * 1000 * 1000,
|
|
.bus_num = 0,
|
|
}
|
|
#endif
|
|
};
|
|
|
|
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 = "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 */
|
|
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 */
|
|
.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
|
|
|
|
MACHINE_START(USB_A9260, "CALAO USB_A9260")
|
|
/* Maintainer: calao-systems */
|
|
.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
|
|
|
|
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
|