/* * 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 SFFSDR_PHY_MASK (0x2) #define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ #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, }; static struct emac_platform_data sffsdr_emac_pdata = { .phy_mask = SFFSDR_PHY_MASK, .mdio_max_freq = SFFSDR_MDIO_FREQUENCY, }; 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) { dm644x_init(); } static __init void davinci_sffsdr_init(void) { struct davinci_soc_info *soc_info = &davinci_soc_info; platform_add_devices(davinci_sffsdr_devices, ARRAY_SIZE(davinci_sffsdr_devices)); sffsdr_init_i2c(); davinci_serial_init(&uart_config); soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK; soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY; 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