The Lyrtech SFFSDR (Small form Factor Software Defined Radio) board is built around a TI DM6446 and a Xilinx Virtex-4 (SX-35) FPGA. This patch adds basic board setup code for the SFFSDR.
Signed-off-by: Hugo Villeneuve <[EMAIL PROTECTED]> --- arch/arm/mach-davinci/Kconfig | 8 ++ arch/arm/mach-davinci/Makefile | 1 + arch/arm/mach-davinci/board-sffsdr.c | 196 ++++++++++++++++++++++++++++++++++ 3 files changed, 205 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-davinci/board-sffsdr.c diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index 43b6359..f82e6f4 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -42,6 +42,14 @@ config MACH_DAVINCI_DM355_EVM Configure this option to specify the whether the board used for development is a DM355 EVM +config MACH_DAVINCI_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_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_DAVINCI diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 8075090..2a339db 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -11,3 +11,4 @@ obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o obj-$(CONFIG_MACH_DAVINCI_DM646X_EVM) += board-dm646x-evm.o obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o +obj-$(CONFIG_MACH_DAVINCI_SFFSDR) += board-sffsdr.o diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c new file mode 100644 index 0000000..a9f1627 --- /dev/null +++ b/arch/arm/mach-davinci/board-sffsdr.c @@ -0,0 +1,196 @@ +/* + * Lyrtech SFFSDR board support. + * + * Copyright (C) 2008 Philip Balister, OpenSDR <[EMAIL PROTECTED]> + * 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/board.h> +#include <mach/emac.h> +#include <mach/i2c.h> +#include <mach/serial.h> +#include <mach/psc.h> + +#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, +}; + +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 = 1, + .resource = &davinci_sffsdr_nandflash_resource, +}; + +/* Get Ethernet address from kernel boot params */ +static u8 davinci_sffsdr_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 davinci_sffsdr_uart_config __initdata = { + .enabled_uarts = (1 << 0), +}; + +static struct davinci_board_config_kernel davinci_sffsdr_config[] __initdata = { + { DAVINCI_TAG_UART, &davinci_sffsdr_uart_config }, +}; + +static void __init davinci_sffsdr_map_io(void) +{ + davinci_map_common_io(); +} + +static __init void davinci_sffsdr_init(void) +{ + davinci_psc_init(); + platform_add_devices(davinci_sffsdr_devices, + ARRAY_SIZE(davinci_sffsdr_devices)); + sffsdr_init_i2c(); + davinci_board_config = davinci_sffsdr_config; + davinci_board_config_size = ARRAY_SIZE(davinci_sffsdr_config); + davinci_serial_init(); + davinci_init_emac(davinci_sffsdr_mac_addr); + setup_usb(0, 0); /* We support only peripheral mode. */ +} + +static int davinci_cpmac_eth_setup(char *str) +{ + int i; + + if (str == NULL) + return 0; + + /* Conversion of a MAC address from a string (AA:BB:CC:DD:EE:FF) + * to a 6 bytes array. */ + for (i = 0; i < 6; i++) + davinci_sffsdr_mac_addr[i] = simple_strtol(&str[i*3], + (char **)NULL, 16); + + return 1; +} +/* Get MAC address from kernel boot parameter eth=AA:BB:CC:DD:EE:FF */ +__setup("eth=", davinci_cpmac_eth_setup); + +static __init void davinci_sffsdr_irq_init(void) +{ + davinci_init_common_hw(); + davinci_irq_init(); +} + +MACHINE_START(SFFSDR, "Lyrtech SFFSDR") + /* Maintainer: Hugo Villeneuve [EMAIL PROTECTED] */ + .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 -- 1.5.5 _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source