davinci: DM644x: add support for SFFSDR board (f5ce6a67) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/mach-davinci/Kconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,13 @@ config MACH_DAVINCI_EVM
		Configure this option to specify the whether the board used
		for development is a DM644x EVM

		config MACH_SFFSDR
		bool "Lyrtech SFFSDR"
		default n
		depends on ARCH_DAVINCI_DM644x
		help
		Say Y here to select the Lyrtech Small Form Factor
		Software Defined Radio (SFFSDR) board.

		config DAVINCI_MUX
		bool "DAVINCI multiplexing support"

arch/arm/mach-davinci/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -15,3 +15,4 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o

		# Board specific
		obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
		obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o

arch/arm/mach-davinci/board-sffsdr.c

0 → 100644

+180 −0

Original line number	Diff line number	Diff line
		/*
		* Lyrtech SFFSDR board support.
		*
		* Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
		* Copyright (C) 2008 Lyrtech <www.lyrtech.com>
		*
		* Based on DV-EVM platform, original copyright follows:
		*
		* Copyright (C) 2007 MontaVista Software, Inc.
		*
		* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
		*/

		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/init.h>
		#include <linux/dma-mapping.h>
		#include <linux/platform_device.h>
		#include <linux/gpio.h>

		#include <linux/i2c.h>
		#include <linux/i2c/at24.h>
		#include <linux/etherdevice.h>
		#include <linux/mtd/mtd.h>
		#include <linux/mtd/nand.h>
		#include <linux/mtd/partitions.h>
		#include <linux/mtd/physmap.h>
		#include <linux/io.h>

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

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

		#include <mach/dm644x.h>
		#include <mach/common.h>
		#include <mach/i2c.h>
		#include <mach/serial.h>
		#include <mach/psc.h>
		#include <mach/mux.h>

		#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000
		#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000

		struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
		/* U-Boot Environment: Block 0
		* UBL: Block 1
		* U-Boot: Blocks 6-7 (256 kb)
		* Integrity Kernel: Blocks 8-31 (3 Mb)
		* Integrity Data: Blocks 100-END
		*/
		{
		.name = "Linux Kernel",
		.offset = 32 * SZ_128K,
		.size = 16 * SZ_128K, /* 2 Mb */
		.mask_flags = MTD_WRITEABLE, /* Force read-only */
		},
		{
		.name = "Linux ROOT",
		.offset = MTDPART_OFS_APPEND,
		.size = 256 * SZ_128K, /* 32 Mb */
		.mask_flags = 0, /* R/W */
		},
		};

		static struct flash_platform_data davinci_sffsdr_nandflash_data = {
		.parts = davinci_sffsdr_nandflash_partition,
		.nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
		};

		static struct resource davinci_sffsdr_nandflash_resource[] = {
		{
		.start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
		.end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
		.flags = IORESOURCE_MEM,
		}, {
		.start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
		.end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
		.flags = IORESOURCE_MEM,
		},
		};

		static struct platform_device davinci_sffsdr_nandflash_device = {
		.name = "davinci_nand", /* Name of driver */
		.id = 0,
		.dev = {
		.platform_data = &davinci_sffsdr_nandflash_data,
		},
		.num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
		.resource = davinci_sffsdr_nandflash_resource,
		};

		/* Get Ethernet address from kernel boot params */
		static u8 mac_addr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};

		static struct at24_platform_data eeprom_info = {
		.byte_len = (64*1024) / 8,
		.page_size = 32,
		.flags = AT24_FLAG_ADDR16,
		};

		static struct i2c_board_info __initdata i2c_info[] = {
		{
		I2C_BOARD_INFO("24lc64", 0x50),
		.platform_data = &eeprom_info,
		},
		/* Other I2C devices:
		* MSP430, addr 0x23 (not used)
		* PCA9543, addr 0x70 (setup done by U-Boot)
		* ADS7828, addr 0x48 (ADC for voltage monitoring.)
		*/
		};

		static struct davinci_i2c_platform_data i2c_pdata = {
		.bus_freq = 20 /* kHz */,
		.bus_delay = 100 /* usec */,
		};

		static void __init sffsdr_init_i2c(void)
		{
		davinci_init_i2c(&i2c_pdata);
		i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
		}

		static struct platform_device *davinci_sffsdr_devices[] __initdata = {
		&davinci_sffsdr_nandflash_device,
		};

		static struct davinci_uart_config uart_config __initdata = {
		.enabled_uarts = (1 << 0),
		};

		static void __init davinci_sffsdr_map_io(void)
		{
		davinci_map_common_io();
		dm644x_init();
		}

		static __init void davinci_sffsdr_init(void)
		{
		platform_add_devices(davinci_sffsdr_devices,
		ARRAY_SIZE(davinci_sffsdr_devices));
		sffsdr_init_i2c();
		davinci_serial_init(&uart_config);
		setup_usb(0, 0); /* We support only peripheral mode. */

		/* mux VLYNQ pins */
		davinci_cfg_reg(DM644X_VLYNQEN);
		davinci_cfg_reg(DM644X_VLYNQWD);
		}

		static __init void davinci_sffsdr_irq_init(void)
		{
		davinci_irq_init();
		}

		MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
		/* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
		.phys_io = IO_PHYS,
		.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
		.boot_params = (DAVINCI_DDR_BASE + 0x100),
		.map_io = davinci_sffsdr_map_io,
		.init_irq = davinci_sffsdr_irq_init,
		.timer = &davinci_timer,
		.init_machine = davinci_sffsdr_init,
		MACHINE_END