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https://github.com/edk2-porting/linux-next.git
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71b149b3f7
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>
195 lines
4.3 KiB
C
195 lines
4.3 KiB
C
/*
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* KwikByte CAM60 (KB9260)
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*
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* based on board-sam9260ek.c
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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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/spi/flash.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 <mach/at91sam9_smc.h>
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#include "sam9_smc.h"
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#include "generic.h"
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static void __init cam60_init_early(void)
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{
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/* Initialize processor: 10 MHz crystal */
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at91_initialize(10000000);
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}
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/*
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* USB Host
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*/
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static struct at91_usbh_data __initdata cam60_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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* SPI devices.
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*/
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#if defined(CONFIG_MTD_DATAFLASH)
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static struct mtd_partition cam60_spi_partitions[] = {
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{
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.name = "BOOT1",
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.offset = 0,
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.size = 4 * 1056,
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},
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{
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.name = "BOOT2",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 256 * 1056,
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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 = 2222 * 1056,
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},
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{
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.name = "file system",
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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 flash_platform_data cam60_spi_flash_platform_data = {
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.name = "spi_flash",
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.parts = cam60_spi_partitions,
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.nr_parts = ARRAY_SIZE(cam60_spi_partitions)
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};
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#endif
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static struct spi_board_info cam60_spi_devices[] __initdata = {
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#if defined(CONFIG_MTD_DATAFLASH)
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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.platform_data = &cam60_spi_flash_platform_data
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},
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#endif
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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 __initdata macb_platform_data cam60_macb_data = {
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.phy_irq_pin = AT91_PIN_PB5,
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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 cam60_nand_partition[] = {
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{
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.name = "nand_fs",
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.offset = 0,
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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 cam60_nand_data = {
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.ale = 21,
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.cle = 22,
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.det_pin = -EINVAL,
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.rdy_pin = AT91_PIN_PA9,
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.enable_pin = AT91_PIN_PA7,
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.ecc_mode = NAND_ECC_SOFT,
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.parts = cam60_nand_partition,
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.num_parts = ARRAY_SIZE(cam60_nand_partition),
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};
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static struct sam9_smc_config __initdata cam60_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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.read_cycle = 5,
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.write_cycle = 5,
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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 = 2,
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};
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static void __init cam60_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, &cam60_nand_smc_config);
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at91_add_device_nand(&cam60_nand_data);
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}
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static void __init cam60_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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at91_add_device_serial();
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/* SPI */
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at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
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/* Ethernet */
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at91_add_device_eth(&cam60_macb_data);
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/* USB Host */
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/* enable USB power supply circuit */
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at91_set_gpio_output(AT91_PIN_PB18, 1);
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at91_add_device_usbh(&cam60_usbh_data);
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/* NAND */
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cam60_add_device_nand();
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}
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MACHINE_START(CAM60, "KwikByte CAM60")
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/* Maintainer: KwikByte */
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.timer = &at91sam926x_timer,
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.map_io = at91_map_io,
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.init_early = cam60_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = cam60_board_init,
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MACHINE_END
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