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![Jean-Christophe PLAGNIOL-VILLARD](/assets/img/avatar_default.png)
There is no need to pinmux the UART so early in the kernel. Move it to the board init. This will also allow to finally move the gpio driver to platform device/driver. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
186 lines
4.6 KiB
C
186 lines
4.6 KiB
C
/*
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* linux/arch/arm/mach-at91/board-snapper9260.c
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*
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* Copyright (C) 2010 Bluewater System Ltd
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*
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* Author: Andre Renaud <andre@bluewatersys.com>
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* Author: Ryan Mallon
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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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*/
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/i2c/pca953x.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/hardware.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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#define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x))
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static void __init snapper9260_init_early(void)
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{
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at91_initialize(18432000);
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}
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static struct at91_usbh_data __initdata snapper9260_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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static struct at91_udc_data __initdata snapper9260_udc_data = {
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.vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
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.vbus_active_low = 1,
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.vbus_polled = 1,
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.pullup_pin = -EINVAL,
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};
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static struct macb_platform_data snapper9260_macb_data = {
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.phy_irq_pin = -EINVAL,
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.is_rmii = 1,
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};
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static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
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{
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.name = "Preboot",
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.offset = 0,
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.size = SZ_128K,
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},
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{
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.name = "Bootloader",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K,
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},
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{
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.name = "Environment",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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},
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{
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.name = "Kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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},
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{
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.name = "Filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct atmel_nand_data __initdata snapper9260_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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.parts = snapper9260_nand_partitions,
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.num_parts = ARRAY_SIZE(snapper9260_nand_partitions),
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.bus_width_16 = 0,
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.enable_pin = -EINVAL,
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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 snapper9260_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 0,
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.ncs_write_setup = 0,
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.nwe_setup = 0,
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.ncs_read_pulse = 5,
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.nrd_pulse = 2,
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.ncs_write_pulse = 5,
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.nwe_pulse = 2,
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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 |
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AT91_SMC_EXNWMODE_DISABLE),
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.tdf_cycles = 1,
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};
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static struct pca953x_platform_data snapper9260_io_expander_data = {
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.gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
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};
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static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
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{
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/* IO expander */
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I2C_BOARD_INFO("max7312", 0x28),
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.platform_data = &snapper9260_io_expander_data,
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},
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{
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/* Audio codec */
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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},
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};
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static struct i2c_board_info __initdata snapper9260_i2c_isl1208 = {
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/* RTC */
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I2C_BOARD_INFO("isl1208", 0x6f),
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};
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static void __init snapper9260_add_device_nand(void)
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{
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at91_set_A_periph(AT91_PIN_PC14, 0);
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sam9_smc_configure(0, 3, &snapper9260_nand_smc_config);
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at91_add_device_nand(&snapper9260_nand_data);
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}
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static void __init snapper9260_board_init(void)
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{
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at91_add_device_i2c(snapper9260_i2c_devices,
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ARRAY_SIZE(snapper9260_i2c_devices));
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snapper9260_i2c_isl1208.irq = gpio_to_irq(AT91_PIN_PA31);
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i2c_register_board_info(0, &snapper9260_i2c_isl1208, 1);
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/* Debug on ttyS0 */
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at91_register_uart(0, 0, 0);
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at91_register_uart(AT91SAM9260_ID_US0, 1,
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ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_register_uart(AT91SAM9260_ID_US1, 2,
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ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
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at91_add_device_serial();
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at91_add_device_usbh(&snapper9260_usbh_data);
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at91_add_device_udc(&snapper9260_udc_data);
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at91_add_device_eth(&snapper9260_macb_data);
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at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
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ATMEL_SSC_TD | ATMEL_SSC_RD));
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snapper9260_add_device_nand();
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}
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MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = snapper9260_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = snapper9260_board_init,
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MACHINE_END
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