76b2ab76a4
no board configure it as 'n' and it's an issue to merge all defconfigs in one On AT91SAM926x boards both types of NAND flash can be present (8 and 16 bit data bus width). so will pass it via system_rev Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
323 lines
7 KiB
C
323 lines
7 KiB
C
/*
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* linux/arch/arm/mach-at91/board-at572d940hf_ek.c
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*
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* Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
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* Copyright (C) 2005 SAN People
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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/ds1305.h>
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#include <linux/irq.h>
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#include <linux/mtd/physmap.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 <mach/at91sam9_smc.h>
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#include <mach/system_rev.h>
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#include "sam9_smc.h"
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#include "generic.h"
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static void __init eb_map_io(void)
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{
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/* Initialize processor: 12.500 MHz crystal */
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at572d940hf_initialize(12000000);
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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 only) */
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at91_register_uart(AT572D940HF_ID_US0, 1, 0);
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/* USART1 on ttyS2. (Rx & Tx only) */
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at91_register_uart(AT572D940HF_ID_US1, 2, 0);
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/* USART2 on ttyS3. (Tx & Rx only */
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at91_register_uart(AT572D940HF_ID_US2, 3, 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 eb_init_irq(void)
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{
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at572d940hf_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 eb_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 eb_udc_data = {
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.vbus_pin = 0, /* no VBUS detection,UDC always on */
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.pullup_pin = 0, /* pull-up driven by UDC */
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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 eb_mmc_data = {
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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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* MACB Ethernet device
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*/
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static struct at91_eth_data __initdata eb_eth_data = {
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.phy_irq_pin = AT91_PIN_PB25,
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.is_rmii = 1,
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};
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/*
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* NOR flash
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*/
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static struct mtd_partition eb_nor_partitions[] = {
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{
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.name = "Raw Environment",
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.offset = 0,
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.size = SZ_4M,
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.mask_flags = 0,
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},
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{
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.name = "OS FS",
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.offset = MTDPART_OFS_APPEND,
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.size = 3 * SZ_1M,
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.mask_flags = 0,
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},
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{
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.name = "APP FS",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0,
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},
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};
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static void nor_flash_set_vpp(struct map_info* mi, int i) {
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 4,
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.parts = eb_nor_partitions,
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.nr_parts = ARRAY_SIZE(eb_nor_partitions),
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.set_vpp = nor_flash_set_vpp,
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};
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static struct resource nor_flash_resources[] = {
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{
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.start = AT91_CHIPSELECT_0,
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.end = AT91_CHIPSELECT_0 + SZ_16M - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device nor_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.resource = nor_flash_resources,
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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};
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static struct sam9_smc_config __initdata eb_nor_smc_config = {
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.ncs_read_setup = 1,
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.nrd_setup = 1,
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.ncs_write_setup = 1,
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.nwe_setup = 1,
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.ncs_read_pulse = 7,
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.nrd_pulse = 7,
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.ncs_write_pulse = 7,
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.nwe_pulse = 7,
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.read_cycle = 9,
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.write_cycle = 9,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
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.tdf_cycles = 1,
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};
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static void __init eb_add_device_nor(void)
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{
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/* configure chip-select 0 (NOR) */
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sam9_smc_configure(0, &eb_nor_smc_config);
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platform_device_register(&nor_flash);
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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 eb_nand_partition[] = {
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{
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.name = "Partition 1",
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.offset = 0,
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.size = SZ_16M,
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},
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{
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.name = "Partition 2",
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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 mtd_partition * __init nand_partitions(int size, int *num_partitions)
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{
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*num_partitions = ARRAY_SIZE(eb_nand_partition);
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return eb_nand_partition;
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}
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static struct atmel_nand_data __initdata eb_nand_data = {
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.ale = 22,
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.cle = 21,
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/* .det_pin = ... not connected */
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/* .rdy_pin = AT91_PIN_PC16, */
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.enable_pin = AT91_PIN_PA15,
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.partition_info = nand_partitions,
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};
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static struct sam9_smc_config __initdata eb_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 = 1,
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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,
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.tdf_cycles = 12,
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};
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static void __init eb_add_device_nand(void)
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{
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ek_nand_data.bus_width_16 = !board_have_nand_8bit();
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/* setup bus-width (8 or 16) */
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if (eb_nand_data.bus_width_16)
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eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(3, &eb_nand_smc_config);
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at91_add_device_nand(&eb_nand_data);
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}
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/*
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* SPI devices
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*/
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static struct resource rtc_resources[] = {
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[0] = {
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.start = AT572D940HF_ID_IRQ1,
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.end = AT572D940HF_ID_IRQ1,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct ds1305_platform_data ds1306_data = {
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.is_ds1306 = true,
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.en_1hz = false,
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};
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static struct spi_board_info eb_spi_devices[] = {
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{ /* RTC Dallas DS1306 */
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.modalias = "rtc-ds1305",
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.chip_select = 3,
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.mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
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.max_speed_hz = 500000,
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.bus_num = 0,
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.irq = AT572D940HF_ID_IRQ1,
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.platform_data = (void *) &ds1306_data,
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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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};
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static void __init eb_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(&eb_usbh_data);
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/* USB Device */
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at91_add_device_udc(&eb_udc_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* NOR */
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eb_add_device_nor();
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/* NAND */
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eb_add_device_nand();
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/* SPI */
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at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
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/* MMC */
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at91_add_device_mmc(0, &eb_mmc_data);
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/* Ethernet */
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at91_add_device_eth(&eb_eth_data);
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/* mAgic */
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at91_add_device_mAgic();
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}
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MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
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/* Maintainer: Atmel <costa.antonior@gmail.com> */
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.boot_params = AT91_SDRAM_BASE + 0x100,
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.timer = &at91sam926x_timer,
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.map_io = eb_map_io,
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.init_irq = eb_init_irq,
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.init_machine = eb_board_init,
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MACHINE_END
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