forked from Minki/linux
bf4289cba0
So we can now choose for the board the ecc mode (ecc soft, soft bch, no ecc and hardware). Set ecc mode in the boards to soft as currently in the driver. Move platform data to a common header include/linux/platform_data/atmel_nand.h Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no> Acked-by: David Woodhouse <dwmw2@infradead.org>
319 lines
7.0 KiB
C
319 lines
7.0 KiB
C
/*
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* Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
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* taskit GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/mm.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/w1-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/board.h>
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#include <mach/at91sam9_smc.h>
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#include "sam9_smc.h"
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#include "generic.h"
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void __init stamp9g20_init_early(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91_initialize(18432000);
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/* DGBU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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/* set serial console to ttyS0 (ie, DBGU) */
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at91_set_serial_console(0);
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}
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static void __init stamp9g20evb_init_early(void)
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{
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stamp9g20_init_early();
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/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR
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| ATMEL_UART_DCD | ATMEL_UART_RI);
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}
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static void __init portuxg20_init_early(void)
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{
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stamp9g20_init_early();
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/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR
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| ATMEL_UART_DCD | ATMEL_UART_RI);
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/* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
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at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
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/* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
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at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
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/* USART4 on ttyS5. (Rx, Tx only) */
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at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
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/* USART5 on ttyS6. (Rx, Tx only) */
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at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
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}
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/*
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* NAND flash
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*/
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static struct atmel_nand_data __initdata nand_data = {
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.ale = 21,
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.cle = 22,
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.rdy_pin = AT91_PIN_PC13,
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.enable_pin = AT91_PIN_PC14,
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.bus_width_16 = 0,
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.det_pin = -EINVAL,
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.ecc_mode = NAND_ECC_SOFT,
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};
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static struct sam9_smc_config __initdata nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 2,
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.ncs_write_setup = 0,
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.nwe_setup = 2,
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.ncs_read_pulse = 4,
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.nrd_pulse = 4,
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.ncs_write_pulse = 4,
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.nwe_pulse = 4,
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.read_cycle = 7,
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.write_cycle = 7,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
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.tdf_cycles = 3,
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};
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static void __init add_device_nand(void)
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{
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(0, 3, &nand_smc_config);
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at91_add_device_nand(&nand_data);
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}
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/*
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* MCI (SD/MMC)
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* det_pin, wp_pin and vcc_pin are not connected
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*/
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#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
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static struct mci_platform_data __initdata mmc_data = {
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.slot[0] = {
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.bus_width = 4,
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.detect_pin = -1,
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.wp_pin = -1,
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},
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};
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#else
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static struct at91_mmc_data __initdata mmc_data = {
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.slot_b = 0,
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.wire4 = 1,
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.det_pin = -EINVAL,
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.wp_pin = -EINVAL,
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.vcc_pin = -EINVAL,
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};
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#endif
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/*
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* USB Host port
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*/
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static struct at91_usbh_data __initdata usbh_data = {
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.ports = 2,
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.vbus_pin = {-EINVAL, -EINVAL},
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.overcurrent_pin= {-EINVAL, -EINVAL},
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};
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata portuxg20_udc_data = {
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.vbus_pin = AT91_PIN_PC7,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
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.vbus_pin = AT91_PIN_PA22,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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/*
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* MACB Ethernet device
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*/
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static struct macb_platform_data __initdata macb_data = {
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.phy_irq_pin = AT91_PIN_PA28,
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.is_rmii = 1,
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};
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/*
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* LEDs
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*/
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static struct gpio_led portuxg20_leds[] = {
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{
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.name = "LED2",
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.gpio = AT91_PIN_PC5,
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.default_trigger = "none",
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}, {
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.name = "LED3",
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.gpio = AT91_PIN_PC4,
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.default_trigger = "none",
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}, {
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.name = "LED4",
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.gpio = AT91_PIN_PC10,
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.default_trigger = "heartbeat",
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}
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};
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static struct gpio_led stamp9g20evb_leds[] = {
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{
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.name = "D8",
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.gpio = AT91_PIN_PB18,
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.active_low = 1,
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.default_trigger = "none",
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}, {
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.name = "D9",
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.gpio = AT91_PIN_PB19,
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.active_low = 1,
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.default_trigger = "none",
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}, {
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.name = "D10",
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.gpio = AT91_PIN_PB20,
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.active_low = 1,
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.default_trigger = "heartbeat",
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}
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};
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/*
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* SPI devices
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*/
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static struct spi_board_info portuxg20_spi_devices[] = {
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{
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.modalias = "spidev",
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.chip_select = 0,
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.max_speed_hz = 1 * 1000 * 1000,
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.bus_num = 0,
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}, {
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.modalias = "spidev",
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.chip_select = 0,
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.max_speed_hz = 1 * 1000 * 1000,
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.bus_num = 1,
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},
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};
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/*
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* Dallas 1-Wire
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*/
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static struct w1_gpio_platform_data w1_gpio_pdata = {
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.pin = AT91_PIN_PA29,
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.is_open_drain = 1,
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};
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static struct platform_device w1_device = {
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.name = "w1-gpio",
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.id = -1,
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.dev.platform_data = &w1_gpio_pdata,
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};
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void add_w1(void)
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{
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at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
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at91_set_multi_drive(w1_gpio_pdata.pin, 1);
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platform_device_register(&w1_device);
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}
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void __init stamp9g20_board_init(void)
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{
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/* Serial */
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at91_add_device_serial();
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/* NAND */
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add_device_nand();
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/* MMC */
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#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
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at91_add_device_mci(0, &mmc_data);
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#else
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at91_add_device_mmc(0, &mmc_data);
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#endif
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/* W1 */
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add_w1();
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}
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static void __init portuxg20_board_init(void)
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{
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stamp9g20_board_init();
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/* USB Host */
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at91_add_device_usbh(&usbh_data);
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/* USB Device */
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at91_add_device_udc(&portuxg20_udc_data);
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/* Ethernet */
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at91_add_device_eth(&macb_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* SPI */
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at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
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/* LEDs */
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at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
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}
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static void __init stamp9g20evb_board_init(void)
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{
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stamp9g20_board_init();
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/* USB Host */
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at91_add_device_usbh(&usbh_data);
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/* USB Device */
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at91_add_device_udc(&stamp9g20evb_udc_data);
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/* Ethernet */
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at91_add_device_eth(&macb_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* LEDs */
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at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
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}
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MACHINE_START(PORTUXG20, "taskit PortuxG20")
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/* Maintainer: taskit GmbH */
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = portuxg20_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = portuxg20_board_init,
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MACHINE_END
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MACHINE_START(STAMP9G20, "taskit Stamp9G20")
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/* Maintainer: taskit GmbH */
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = stamp9g20evb_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = stamp9g20evb_board_init,
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MACHINE_END
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