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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>
219 lines
5.2 KiB
C
219 lines
5.2 KiB
C
/*
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* linux/arch/arm/mach-at91/board-afeb-9260v1.c
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*
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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* Copyright (C) 2008 Sergey Lapin
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*
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* A custom board designed as open hardware; PCBs and various information
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* is available at http://groups.google.com/group/arm9fpga-evolution-board/
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* Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
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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/types.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.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/clk.h>
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#include <linux/dma-mapping.h>
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#include <mach/hardware.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/board.h>
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#include "generic.h"
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static void __init afeb9260_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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}
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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 afeb9260_usbh_data = {
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.ports = 1,
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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 afeb9260_udc_data = {
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.vbus_pin = AT91_PIN_PC5,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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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 afeb9260_spi_devices[] = {
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 1,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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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 afeb9260_macb_data = {
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.phy_irq_pin = AT91_PIN_PA9,
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.is_rmii = 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 mtd_partition __initdata afeb9260_nand_partition[] = {
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{
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.name = "bootloader",
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.offset = 0,
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.size = (640 * SZ_1K),
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_NXTBLK,
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.size = SZ_2M,
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},
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_NXTBLK,
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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 afeb9260_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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.ecc_mode = NAND_ECC_SOFT,
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.parts = afeb9260_nand_partition,
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.num_parts = ARRAY_SIZE(afeb9260_nand_partition),
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.det_pin = -EINVAL,
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};
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/*
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* MCI (SD/MMC)
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*/
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static struct at91_mmc_data __initdata afeb9260_mmc_data = {
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.det_pin = AT91_PIN_PC9,
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.wp_pin = AT91_PIN_PC4,
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.slot_b = 1,
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.wire4 = 1,
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.vcc_pin = -EINVAL,
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};
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static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
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{
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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}, {
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I2C_BOARD_INFO("fm3130", 0x68),
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}, {
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I2C_BOARD_INFO("24c64", 0x50),
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},
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};
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/*
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* IDE (CF True IDE mode)
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*/
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static struct at91_cf_data afeb9260_cf_data = {
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.chipselect = 4,
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.irq_pin = AT91_PIN_PA6,
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.det_pin = -EINVAL,
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.vcc_pin = -EINVAL,
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.rst_pin = AT91_PIN_PA7,
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.flags = AT91_CF_TRUE_IDE,
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};
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static void __init afeb9260_board_init(void)
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{
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/* Serial */
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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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,
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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, RTS, CTS) */
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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_add_device_serial();
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/* USB Host */
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at91_add_device_usbh(&afeb9260_usbh_data);
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/* USB Device */
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at91_add_device_udc(&afeb9260_udc_data);
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/* SPI */
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at91_add_device_spi(afeb9260_spi_devices,
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ARRAY_SIZE(afeb9260_spi_devices));
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/* NAND */
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at91_add_device_nand(&afeb9260_nand_data);
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/* Ethernet */
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at91_add_device_eth(&afeb9260_macb_data);
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/* Standard function's pin assignments are not
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* appropriate for us and generic code provide
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* no API to configure these pins any other way */
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at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
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at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
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/* MMC */
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at91_add_device_mmc(0, &afeb9260_mmc_data);
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/* I2C */
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at91_add_device_i2c(afeb9260_i2c_devices,
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ARRAY_SIZE(afeb9260_i2c_devices));
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/* Audio */
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at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
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/* IDE */
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at91_add_device_cf(&afeb9260_cf_data);
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}
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MACHINE_START(AFEB9260, "Custom afeb9260 board")
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/* Maintainer: Sergey Lapin <slapin@ossfans.org> */
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = afeb9260_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = afeb9260_board_init,
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MACHINE_END
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