[ARM] 5130/4: Support for the at91sam9g20 (61352667) · Commits · e / devices / android_kernel_teracube_2e

arch/arm/mach-at91/Kconfig

+24 −5

Original line number	Diff line number	Diff line
		@@ -30,6 +30,11 @@ config ARCH_AT91SAM9RL
		select GENERIC_TIME
		select GENERIC_CLOCKEVENTS

		config ARCH_AT91SAM9G20
		bool "AT91SAM9G20"
		select GENERIC_TIME
		select GENERIC_CLOCKEVENTS

		config ARCH_AT91CAP9
		bool "AT91CAP9"
		select GENERIC_TIME
		@@ -239,6 +244,20 @@ endif

		# ----------------------------------------------------------

		if ARCH_AT91SAM9G20

		comment "AT91SAM9G20 Board Type"

		config MACH_AT91SAM9G20EK
		bool "Atmel AT91SAM9G20-EK Evaluation Kit"
		depends on ARCH_AT91SAM9G20
		help
		Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit.

		endif

		# ----------------------------------------------------------

		if ARCH_AT91CAP9

		comment "AT91CAP9 Board Type"
		@@ -274,13 +293,13 @@ comment "AT91 Board Options"

		config MTD_AT91_DATAFLASH_CARD
		bool "Enable DataFlash Card support"
		depends on (ARCH_AT91RM9200DK \|\| MACH_AT91RM9200EK \|\| MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91CAP9ADK \|\| MACH_SAM9_L9260 \|\| MACH_ECBAT91)
		depends on (ARCH_AT91RM9200DK \|\| MACH_AT91RM9200EK \|\| MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91SAM9G20EK \|\| MACH_ECBAT91 \|\| MACH_SAM9_L9260 \|\| MACH_AT91CAP9ADK)
		help
		Enable support for the DataFlash card.

		config MTD_NAND_AT91_BUSWIDTH_16
		bool "Enable 16-bit data bus interface to NAND flash"
		depends on (MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91CAP9ADK)
		depends on (MACH_AT91SAM9260EK \|\| MACH_AT91SAM9261EK \|\| MACH_AT91SAM9263EK \|\| MACH_AT91SAM9G20EK \|\| MACH_AT91CAP9ADK)
		help
		On AT91SAM926x boards both types of NAND flash can be present
		(8 and 16 bit data bus width).
		@@ -329,15 +348,15 @@ config AT91_EARLY_USART2

		config AT91_EARLY_USART3
		bool "USART3"
		depends on (ARCH_AT91RM9200 \|\| ARCH_AT91SAM9RL \|\| ARCH_AT91SAM9260)
		depends on (ARCH_AT91RM9200 \|\| ARCH_AT91SAM9RL \|\| ARCH_AT91SAM9260 \|\| ARCH_AT91SAM9G20)

		config AT91_EARLY_USART4
		bool "USART4"
		depends on ARCH_AT91SAM9260
		depends on ARCH_AT91SAM9260 \|\| ARCH_AT91SAM9G20

		config AT91_EARLY_USART5
		bool "USART5"
		depends on ARCH_AT91SAM9260
		depends on ARCH_AT91SAM9260 \|\| ARCH_AT91SAM9G20

		endchoice

arch/arm/mach-at91/Makefile

+4 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_d
		obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o
		obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o
		obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o
		obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o
		obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o
		obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o

		@@ -49,6 +50,9 @@ obj-$(CONFIG_MACH_USB_A9263) += board-usb-a9263.o
		# AT91SAM9RL board-specific support
		obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o

		# AT91SAM9G20 board-specific support
		obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o

		# AT91CAP9 board-specific support
		obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o

arch/arm/mach-at91/at91sam9260.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,20 @@ static struct map_desc at91sam9260_sram_desc[] __initdata = {
		}
		};

		static struct map_desc at91sam9g20_sram_desc[] __initdata = {
		{
		.virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE,
		.pfn = __phys_to_pfn(AT91SAM9G20_SRAM0_BASE),
		.length = AT91SAM9G20_SRAM0_SIZE,
		.type = MT_DEVICE,
		}, {
		.virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE,
		.pfn = __phys_to_pfn(AT91SAM9G20_SRAM1_BASE),
		.length = AT91SAM9G20_SRAM1_SIZE,
		.type = MT_DEVICE,
		}
		};

		static struct map_desc at91sam9xe_sram_desc[] __initdata = {
		{
		.pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE),
		@@ -307,6 +321,8 @@ void __init at91sam9260_initialize(unsigned long main_clock)

		if (cpu_is_at91sam9xe())
		at91sam9xe_initialize();
		else if (cpu_is_at91sam9g20())
		iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc));
		else
		iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));

arch/arm/mach-at91/at91sam9260_devices.c

+33 −11

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@

		#include <asm/arch/board.h>
		#include <asm/arch/gpio.h>
		#include <asm/arch/cpu.h>
		#include <asm/arch/at91sam9260.h>
		#include <asm/arch/at91sam9260_matrix.h>
		#include <asm/arch/at91sam9_smc.h>
		@@ -320,6 +321,8 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
		csa = at91_sys_read(AT91_MATRIX_EBICSA);
		at91_sys_write(AT91_MATRIX_EBICSA, csa \| AT91_MATRIX_CS3A_SMC_SMARTMEDIA);

		if (cpu_is_at91sam9260()) {
		/* Timing for sam9260 */
		/* set the bus interface characteristics */
		at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) \| AT91_SMC_NCS_WRSETUP_(0)
		\| AT91_SMC_NRDSETUP_(1) \| AT91_SMC_NCS_RDSETUP_(0));
		@@ -334,6 +337,25 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
		else
		mode = AT91_SMC_DBW_8;
		at91_sys_write(AT91_SMC_MODE(3), mode \| AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_TDF_(2));
		}

		if (cpu_is_at91sam9g20()) {
		/* Timing for sam9g20 */
		/* set the bus interface characteristics */
		at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(2) \| AT91_SMC_NCS_WRSETUP_(0)
		\| AT91_SMC_NRDSETUP_(2) \| AT91_SMC_NCS_RDSETUP_(0));

		at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(4) \| AT91_SMC_NCS_WRPULSE_(4)
		\| AT91_SMC_NRDPULSE_(4) \| AT91_SMC_NCS_RDPULSE_(4));

		at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) \| AT91_SMC_NRDCYCLE_(7));

		if (data->bus_width_16)
		mode = AT91_SMC_DBW_16;
		else
		mode = AT91_SMC_DBW_8;
		at91_sys_write(AT91_SMC_MODE(3), mode \| AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_TDF_(3));
		}

		/* enable pin */
		if (data->enable_pin)

arch/arm/mach-at91/board-sam9g20ek.c

0 → 100644

+218 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2005 SAN People
		* Copyright (C) 2008 Atmel
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License as published by
		* the Free Software Foundation; either version 2 of the License, or
		* (at your option) any later version.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#include <linux/types.h>
		#include <linux/init.h>
		#include <linux/mm.h>
		#include <linux/module.h>
		#include <linux/platform_device.h>
		#include <linux/spi/spi.h>
		#include <linux/spi/at73c213.h>
		#include <linux/clk.h>

		#include <asm/hardware.h>
		#include <asm/setup.h>
		#include <asm/mach-types.h>
		#include <asm/irq.h>

		#include <asm/mach/arch.h>
		#include <asm/mach/map.h>
		#include <asm/mach/irq.h>

		#include <asm/arch/board.h>
		#include <asm/arch/gpio.h>

		#include "generic.h"


		static void __init ek_map_io(void)
		{
		/* Initialize processor: 18.432 MHz crystal */
		at91sam9260_initialize(18432000);

		/* DGBU on ttyS0. (Rx & Tx only) */
		at91_register_uart(0, 0, 0);

		/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
		at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS \| ATMEL_UART_RTS
		\| ATMEL_UART_DTR \| ATMEL_UART_DSR \| ATMEL_UART_DCD
		\| ATMEL_UART_RI);

		/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
		at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS \| ATMEL_UART_RTS);

		/* set serial console to ttyS0 (ie, DBGU) */
		at91_set_serial_console(0);
		}

		static void __init ek_init_irq(void)
		{
		at91sam9260_init_interrupts(NULL);
		}


		/*
		* USB Host port
		*/
		static struct at91_usbh_data __initdata ek_usbh_data = {
		.ports = 2,
		};

		/*
		* USB Device port
		*/
		static struct at91_udc_data __initdata ek_udc_data = {
		.vbus_pin = AT91_PIN_PC5,
		.pullup_pin = 0, /* pull-up driven by UDC */
		};


		/*
		* SPI devices.
		*/
		static struct spi_board_info ek_spi_devices[] = {
		#if !defined(CONFIG_MMC_AT91)
		{ /* DataFlash chip */
		.modalias = "mtd_dataflash",
		.chip_select = 1,
		.max_speed_hz = 15 * 1000 * 1000,
		.bus_num = 0,
		},
		#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
		{ /* DataFlash card */
		.modalias = "mtd_dataflash",
		.chip_select = 0,
		.max_speed_hz = 15 * 1000 * 1000,
		.bus_num = 0,
		},
		#endif
		#endif
		};


		/*
		* MACB Ethernet device
		*/
		static struct at91_eth_data __initdata ek_macb_data = {
		.phy_irq_pin = AT91_PIN_PA7,
		.is_rmii = 1,
		};


		/*
		* NAND flash
		*/
		static struct mtd_partition __initdata ek_nand_partition[] = {
		{
		.name = "Bootstrap",
		.offset = 0,
		.size = 4 * 1024 * 1024,
		},
		{
		.name = "Partition 1",
		.offset = 4 * 1024 * 1024,
		.size = 60 * 1024 * 1024,
		},
		{
		.name = "Partition 2",
		.offset = 64 * 1024 * 1024,
		.size = MTDPART_SIZ_FULL,
		},
		};

		static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
		{
		*num_partitions = ARRAY_SIZE(ek_nand_partition);
		return ek_nand_partition;
		}

		/* det_pin is not connected */
		static struct at91_nand_data __initdata ek_nand_data = {
		.ale = 21,
		.cle = 22,
		.rdy_pin = AT91_PIN_PC13,
		.enable_pin = AT91_PIN_PC14,
		.partition_info = nand_partitions,
		#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
		.bus_width_16 = 1,
		#else
		.bus_width_16 = 0,
		#endif
		};


		/*
		* MCI (SD/MMC)
		* det_pin, wp_pin and vcc_pin are not connected
		*/
		static struct at91_mmc_data __initdata ek_mmc_data = {
		.slot_b = 1,
		.wire4 = 1,
		};


		/*
		* LEDs
		*/
		static struct gpio_led ek_leds[] = {
		{ /* "bottom" led, green, userled1 to be defined */
		.name = "ds5",
		.gpio = AT91_PIN_PA6,
		.active_low = 1,
		.default_trigger = "none",
		},
		{ /* "power" led, yellow */
		.name = "ds1",
		.gpio = AT91_PIN_PA9,
		.default_trigger = "heartbeat",
		}
		};

		static void __init ek_board_init(void)
		{
		/* Serial */
		at91_add_device_serial();
		/* USB Host */
		at91_add_device_usbh(&ek_usbh_data);
		/* USB Device */
		at91_add_device_udc(&ek_udc_data);
		/* SPI */
		at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
		/* NAND */
		at91_add_device_nand(&ek_nand_data);
		/* Ethernet */
		at91_add_device_eth(&ek_macb_data);
		/* MMC */
		at91_add_device_mmc(0, &ek_mmc_data);
		/* I2C */
		at91_add_device_i2c(NULL, 0);
		/* LEDs */
		at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
		}

		MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
		/* Maintainer: Atmel */
		.phys_io = AT91_BASE_SYS,
		.io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
		.boot_params = AT91_SDRAM_BASE + 0x100,
		.timer = &at91sam926x_timer,
		.map_io = ek_map_io,
		.init_irq = ek_init_irq,
		.init_machine = ek_board_init,
		MACHINE_END