forked from luck/tmp_suning_uos_patched
a510b9bacd
as this is only used board old style board old mach code Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
384 lines
8.5 KiB
C
384 lines
8.5 KiB
C
/*
|
|
* linux/arch/arm/mach-at91/board-cpu9krea.c
|
|
*
|
|
* Copyright (C) 2005 SAN People
|
|
* Copyright (C) 2006 Atmel
|
|
* Copyright (C) 2009 Eric Benard - eric@eukrea.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/gpio.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/input.h>
|
|
#include <linux/mtd/physmap.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/at91sam9260_matrix.h>
|
|
#include <mach/at91_matrix.h>
|
|
|
|
#include "at91_aic.h"
|
|
#include "board.h"
|
|
#include "sam9_smc.h"
|
|
#include "generic.h"
|
|
|
|
static void __init cpu9krea_init_early(void)
|
|
{
|
|
/* Initialize processor: 18.432 MHz crystal */
|
|
at91_initialize(18432000);
|
|
}
|
|
|
|
/*
|
|
* USB Host port
|
|
*/
|
|
static struct at91_usbh_data __initdata cpu9krea_usbh_data = {
|
|
.ports = 2,
|
|
.vbus_pin = {-EINVAL, -EINVAL},
|
|
.overcurrent_pin= {-EINVAL, -EINVAL},
|
|
};
|
|
|
|
/*
|
|
* USB Device port
|
|
*/
|
|
static struct at91_udc_data __initdata cpu9krea_udc_data = {
|
|
.vbus_pin = AT91_PIN_PC8,
|
|
.pullup_pin = -EINVAL, /* pull-up driven by UDC */
|
|
};
|
|
|
|
/*
|
|
* MACB Ethernet device
|
|
*/
|
|
static struct macb_platform_data __initdata cpu9krea_macb_data = {
|
|
.phy_irq_pin = -EINVAL,
|
|
.is_rmii = 1,
|
|
};
|
|
|
|
/*
|
|
* NAND flash
|
|
*/
|
|
static struct atmel_nand_data __initdata cpu9krea_nand_data = {
|
|
.ale = 21,
|
|
.cle = 22,
|
|
.rdy_pin = AT91_PIN_PC13,
|
|
.enable_pin = AT91_PIN_PC14,
|
|
.bus_width_16 = 0,
|
|
.det_pin = -EINVAL,
|
|
.ecc_mode = NAND_ECC_SOFT,
|
|
};
|
|
|
|
#ifdef CONFIG_MACH_CPU9260
|
|
static struct sam9_smc_config __initdata cpu9krea_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,
|
|
};
|
|
#else
|
|
static struct sam9_smc_config __initdata cpu9krea_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,
|
|
};
|
|
#endif
|
|
|
|
static void __init cpu9krea_add_device_nand(void)
|
|
{
|
|
sam9_smc_configure(0, 3, &cpu9krea_nand_smc_config);
|
|
at91_add_device_nand(&cpu9krea_nand_data);
|
|
}
|
|
|
|
/*
|
|
* NOR flash
|
|
*/
|
|
static struct physmap_flash_data cpuat9260_nor_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
#define NOR_BASE AT91_CHIPSELECT_0
|
|
#define NOR_SIZE SZ_64M
|
|
|
|
static struct resource nor_flash_resources[] = {
|
|
{
|
|
.start = NOR_BASE,
|
|
.end = NOR_BASE + NOR_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device cpu9krea_nor_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &cpuat9260_nor_data,
|
|
},
|
|
.resource = nor_flash_resources,
|
|
.num_resources = ARRAY_SIZE(nor_flash_resources),
|
|
};
|
|
|
|
#ifdef CONFIG_MACH_CPU9260
|
|
static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = {
|
|
.ncs_read_setup = 0,
|
|
.nrd_setup = 1,
|
|
.ncs_write_setup = 0,
|
|
.nwe_setup = 1,
|
|
|
|
.ncs_read_pulse = 10,
|
|
.nrd_pulse = 10,
|
|
.ncs_write_pulse = 6,
|
|
.nwe_pulse = 6,
|
|
|
|
.read_cycle = 12,
|
|
.write_cycle = 8,
|
|
|
|
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
|
|
| AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
|
|
| AT91_SMC_DBW_16,
|
|
.tdf_cycles = 2,
|
|
};
|
|
#else
|
|
static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = {
|
|
.ncs_read_setup = 0,
|
|
.nrd_setup = 1,
|
|
.ncs_write_setup = 0,
|
|
.nwe_setup = 1,
|
|
|
|
.ncs_read_pulse = 13,
|
|
.nrd_pulse = 13,
|
|
.ncs_write_pulse = 8,
|
|
.nwe_pulse = 8,
|
|
|
|
.read_cycle = 15,
|
|
.write_cycle = 10,
|
|
|
|
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
|
|
| AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
|
|
| AT91_SMC_DBW_16,
|
|
.tdf_cycles = 2,
|
|
};
|
|
#endif
|
|
|
|
static __init void cpu9krea_add_device_nor(void)
|
|
{
|
|
unsigned long csa;
|
|
|
|
csa = at91_matrix_read(AT91_MATRIX_EBICSA);
|
|
at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V);
|
|
|
|
/* configure chip-select 0 (NOR) */
|
|
sam9_smc_configure(0, 0, &cpu9krea_nor_smc_config);
|
|
|
|
platform_device_register(&cpu9krea_nor_flash);
|
|
}
|
|
|
|
/*
|
|
* LEDs
|
|
*/
|
|
static struct gpio_led cpu9krea_leds[] = {
|
|
{ /* LED1 */
|
|
.name = "LED1",
|
|
.gpio = AT91_PIN_PC11,
|
|
.active_low = 1,
|
|
.default_trigger = "timer",
|
|
},
|
|
{ /* LED2 */
|
|
.name = "LED2",
|
|
.gpio = AT91_PIN_PC12,
|
|
.active_low = 1,
|
|
.default_trigger = "heartbeat",
|
|
},
|
|
{ /* LED3 */
|
|
.name = "LED3",
|
|
.gpio = AT91_PIN_PC7,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
},
|
|
{ /* LED4 */
|
|
.name = "LED4",
|
|
.gpio = AT91_PIN_PC9,
|
|
.active_low = 1,
|
|
.default_trigger = "none",
|
|
}
|
|
};
|
|
|
|
static struct i2c_board_info __initdata cpu9krea_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("ds1339", 0x68),
|
|
},
|
|
};
|
|
|
|
/*
|
|
* GPIO Buttons
|
|
*/
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
static struct gpio_keys_button cpu9krea_buttons[] = {
|
|
{
|
|
.gpio = AT91_PIN_PC3,
|
|
.code = BTN_0,
|
|
.desc = "BP1",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.gpio = AT91_PIN_PB20,
|
|
.code = BTN_1,
|
|
.desc = "BP2",
|
|
.active_low = 1,
|
|
.wakeup = 1,
|
|
}
|
|
};
|
|
|
|
static struct gpio_keys_platform_data cpu9krea_button_data = {
|
|
.buttons = cpu9krea_buttons,
|
|
.nbuttons = ARRAY_SIZE(cpu9krea_buttons),
|
|
};
|
|
|
|
static struct platform_device cpu9krea_button_device = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.num_resources = 0,
|
|
.dev = {
|
|
.platform_data = &cpu9krea_button_data,
|
|
}
|
|
};
|
|
|
|
static void __init cpu9krea_add_device_buttons(void)
|
|
{
|
|
at91_set_gpio_input(AT91_PIN_PC3, 1); /* BP1 */
|
|
at91_set_deglitch(AT91_PIN_PC3, 1);
|
|
at91_set_gpio_input(AT91_PIN_PB20, 1); /* BP2 */
|
|
at91_set_deglitch(AT91_PIN_PB20, 1);
|
|
|
|
platform_device_register(&cpu9krea_button_device);
|
|
}
|
|
#else
|
|
static void __init cpu9krea_add_device_buttons(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* MCI (SD/MMC)
|
|
*/
|
|
static struct mci_platform_data __initdata cpu9krea_mci0_data = {
|
|
.slot[0] = {
|
|
.bus_width = 4,
|
|
.detect_pin = AT91_PIN_PA29,
|
|
.wp_pin = -EINVAL,
|
|
},
|
|
};
|
|
|
|
static void __init cpu9krea_board_init(void)
|
|
{
|
|
/* NOR */
|
|
cpu9krea_add_device_nor();
|
|
/* Serial */
|
|
/* DGBU on ttyS0. (Rx & Tx only) */
|
|
at91_register_uart(0, 0, 0);
|
|
|
|
/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
|
|
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);
|
|
|
|
/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
|
|
at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS |
|
|
ATMEL_UART_RTS);
|
|
|
|
/* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */
|
|
at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS |
|
|
ATMEL_UART_RTS);
|
|
|
|
/* USART3 on ttyS4. (Rx, Tx) */
|
|
at91_register_uart(AT91SAM9260_ID_US3, 4, 0);
|
|
|
|
/* USART4 on ttyS5. (Rx, Tx) */
|
|
at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
|
|
|
|
/* USART5 on ttyS6. (Rx, Tx) */
|
|
at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
|
|
at91_add_device_serial();
|
|
/* USB Host */
|
|
at91_add_device_usbh(&cpu9krea_usbh_data);
|
|
/* USB Device */
|
|
at91_add_device_udc(&cpu9krea_udc_data);
|
|
/* NAND */
|
|
cpu9krea_add_device_nand();
|
|
/* Ethernet */
|
|
at91_add_device_eth(&cpu9krea_macb_data);
|
|
/* MMC */
|
|
at91_add_device_mci(0, &cpu9krea_mci0_data);
|
|
/* I2C */
|
|
at91_add_device_i2c(cpu9krea_i2c_devices,
|
|
ARRAY_SIZE(cpu9krea_i2c_devices));
|
|
/* LEDs */
|
|
at91_gpio_leds(cpu9krea_leds, ARRAY_SIZE(cpu9krea_leds));
|
|
/* Push Buttons */
|
|
cpu9krea_add_device_buttons();
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_CPU9260
|
|
MACHINE_START(CPUAT9260, "Eukrea CPU9260")
|
|
#else
|
|
MACHINE_START(CPUAT9G20, "Eukrea CPU9G20")
|
|
#endif
|
|
/* Maintainer: Eric Benard - EUKREA Electromatique */
|
|
.timer = &at91sam926x_timer,
|
|
.map_io = at91_map_io,
|
|
.handle_irq = at91_aic_handle_irq,
|
|
.init_early = cpu9krea_init_early,
|
|
.init_irq = at91_init_irq_default,
|
|
.init_machine = cpu9krea_board_init,
|
|
MACHINE_END
|