forked from Minki/linux
a745a62243
The at91sam9260 and at91sam9263 EK boards have 64 KiB I2C EEPROMs. This patch declares them in the board init code so the new at24 driver will use them. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
278 lines
6.1 KiB
C
278 lines
6.1 KiB
C
/*
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* linux/arch/arm/mach-at91/board-sam9260ek.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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*
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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/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/at73c213.h>
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#include <linux/clk.h>
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#include <linux/i2c/at24.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/gpio.h>
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#include "generic.h"
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static void __init ek_map_io(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91sam9260_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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/* 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 | ATMEL_UART_DCD
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| 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, ATMEL_UART_CTS | ATMEL_UART_RTS);
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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 ek_init_irq(void)
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{
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at91sam9260_init_interrupts(NULL);
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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 ek_usbh_data = {
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.ports = 2,
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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 ek_udc_data = {
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.vbus_pin = AT91_PIN_PC5,
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.pullup_pin = 0, /* pull-up driven by UDC */
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};
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/*
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* Audio
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*/
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static struct at73c213_board_info at73c213_data = {
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.ssc_id = 0,
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.shortname = "AT91SAM9260-EK external DAC",
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};
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#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
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static void __init at73c213_set_clk(struct at73c213_board_info *info)
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{
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struct clk *pck0;
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struct clk *plla;
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pck0 = clk_get(NULL, "pck0");
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plla = clk_get(NULL, "plla");
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/* AT73C213 MCK Clock */
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at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
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clk_set_parent(pck0, plla);
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clk_put(plla);
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info->dac_clk = pck0;
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}
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#else
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static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
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#endif
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/*
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* SPI devices.
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*/
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static struct spi_board_info ek_spi_devices[] = {
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#if !defined(CONFIG_MMC_AT91)
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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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#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
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{ /* DataFlash card */
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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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},
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#endif
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#endif
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#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
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{ /* AT73C213 DAC */
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.modalias = "at73c213",
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.chip_select = 0,
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.max_speed_hz = 10 * 1000 * 1000,
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.bus_num = 1,
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.mode = SPI_MODE_1,
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.platform_data = &at73c213_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 at91_eth_data __initdata ek_macb_data = {
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.phy_irq_pin = AT91_PIN_PA7,
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.is_rmii = 1,
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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 ek_nand_partition[] = {
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{
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.name = "Partition 1",
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.offset = 0,
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.size = 256 * 1024,
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},
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{
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.name = "Partition 2",
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.offset = 256 * 1024,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
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{
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*num_partitions = ARRAY_SIZE(ek_nand_partition);
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return ek_nand_partition;
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}
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static struct atmel_nand_data __initdata ek_nand_data = {
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.ale = 21,
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.cle = 22,
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// .det_pin = ... not connected
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.rdy_pin = AT91_PIN_PC13,
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.enable_pin = AT91_PIN_PC14,
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.partition_info = nand_partitions,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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#else
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.bus_width_16 = 0,
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#endif
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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 ek_mmc_data = {
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.slot_b = 1,
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.wire4 = 1,
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// .det_pin = ... not connected
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// .wp_pin = ... not connected
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// .vcc_pin = ... not connected
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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 ek_leds[] = {
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{ /* "bottom" led, green, userled1 to be defined */
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.name = "ds5",
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.gpio = AT91_PIN_PA6,
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.active_low = 1,
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.default_trigger = "none",
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},
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{ /* "power" led, yellow */
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.name = "ds1",
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.gpio = AT91_PIN_PA9,
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.default_trigger = "heartbeat",
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}
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};
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/*
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* I2C devices
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*/
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static struct at24_platform_data at24c512 = {
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.byte_len = SZ_512K / 8,
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.page_size = 128,
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.flags = AT24_FLAG_ADDR16,
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};
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static struct i2c_board_info __initdata ek_i2c_devices[] = {
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{
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I2C_BOARD_INFO("24c512", 0x50),
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.platform_data = &at24c512,
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},
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/* more devices can be added using expansion connectors */
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};
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static void __init ek_board_init(void)
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{
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/* Serial */
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at91_add_device_serial();
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/* USB Host */
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at91_add_device_usbh(&ek_usbh_data);
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/* USB Device */
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at91_add_device_udc(&ek_udc_data);
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/* SPI */
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at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
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/* NAND */
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at91_add_device_nand(&ek_nand_data);
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/* Ethernet */
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at91_add_device_eth(&ek_macb_data);
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/* MMC */
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at91_add_device_mmc(0, &ek_mmc_data);
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/* I2C */
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at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
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/* SSC (to AT73C213) */
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at73c213_set_clk(&at73c213_data);
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at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
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/* LEDs */
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at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
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}
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MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
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/* Maintainer: Atmel */
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.phys_io = AT91_BASE_SYS,
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.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
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.boot_params = AT91_SDRAM_BASE + 0x100,
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.timer = &at91sam926x_timer,
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.map_io = ek_map_io,
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.init_irq = ek_init_irq,
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.init_machine = ek_board_init,
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MACHINE_END
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