mirror of https://gitee.com/openkylin/linux.git
ARM: 5851/1: [AT91] AT572D940HF-EK board support
Add support for the Atmel AT572D940HF-EK board (development board for the AT572D940HF processor). Signed-off-by: Antonio R. Costa <costa.antonior@gmail.com> Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Andrew Victor
Russell King
parent
5e38efae96
commit
c9a8fdd8b3
File diff suppressed because it is too large
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@ -396,6 +396,23 @@ endif
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# ----------------------------------------------------------
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if ARCH_AT572D940HF
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comment "AT572D940HF Board Type"
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config MACH_AT572D940HFEB
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bool "AT572D940HF-EK"
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depends on ARCH_AT572D940HF
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select HAVE_AT91_DATAFLASH_CARD
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select HAVE_NAND_ATMEL_BUSWIDTH_16
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help
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Select this if you are using Atmel's AT572D940HF-EK evaluation kit.
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<http://www.atmel.com/products/diopsis/default.asp>
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endif
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# ----------------------------------------------------------
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if ARCH_AT91X40
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comment "AT91X40 Board Type"
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@ -70,6 +70,9 @@ obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o
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# AT91CAP9 board-specific support
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obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o
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# AT572D940HF board-specific support
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obj-$(CONFIG_MACH_AT572D940HFEB) += board-at572d940hf_ek.o
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# AT91X40 board-specific support
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obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o
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@ -0,0 +1,328 @@
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/*
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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 "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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#if defined(CONFIG_MTD_NAND_AT91_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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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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/* 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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.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 = 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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