From: Hugo Villeneuve <[EMAIL PROTECTED]>
ARM DaVinci: Add support for the Lyrtech SFFSDR board
The Lyrtech SFFSDR (Small form Factor Software Defined Radio) board is built
around a TI DM6446 and a Xilinx Virtex-4 FPGA
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 | 225 ++++++++++++++++++++++++++++++++++
3 files changed, 234 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index fd3f8bd..8c13092 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -18,6 +18,14 @@ config MACH_DAVINCI_EVM
Configure this option to specify the whether the board used
for development is a DaVinci EVM
+config MACH_DAVINCI_SFFSDR
+ bool "Lyrtech SFFSDR"
+ default n
+ depends on ARCH_DAVINCI644x
+ help
+ Say Y here to select the Lyrtech Small Form Factor
+ Software Defined Radio (SFFSDR) board.
+
config DAVINCI_MCBSP
bool
prompt "DaVinci McBSP Driver" if SOUND_DAVINCI=n
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 945ee80..28232c4 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -9,4 +9,5 @@ obj-y := time.o irq.o clock.o serial.o io.o
id.o psc.o \
# Board specific
obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o
+obj-$(CONFIG_MACH_DAVINCI_SFFSDR) += board-sffsdr.o
obj-$(CONFIG_DAVINCI_MCBSP) += mcbsp.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..d02890f
--- /dev/null
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -0,0 +1,225 @@
+/*
+ * 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/i2c.h>
+#include <linux/gpio.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 <asm/setup.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/common.h>
+#include <mach/board.h>
+#include <mach/emac.h>
+#include <mach/i2c.h>
+
+/* other misc. init functions */
+void __init davinci_psc_init(void);
+void __init davinci_irq_init(void);
+void __init davinci_map_common_io(void);
+void __init davinci_init_common_hw(void);
+
+#if defined(CONFIG_MTD_NAND_DAVINCI)
+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,
+};
+#endif
+
+#if defined(CONFIG_TI_DAVINCI_EMAC)
+/* Get Ethernet address from kernel boot params */
+static u8 davinci_sffsdr_mac_addr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+#endif /* CONFIG_TI_DAVINCI_EMAC) */
+
+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
+ * PCA9543, addr 0x70 (setup done by U-Boot)
+ * ADS7828, addr 0x48 (ADC for voltage monitoring.)
+ */
+};
+
+/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
+ * which requires 100 usec of idle bus after i2c writes sent to it.
+ */
+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 = {
+#if defined(CONFIG_MTD_NAND_DAVINCI)
+ &davinci_sffsdr_nandflash_device,
+#endif
+};
+
+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();
+
+#if defined(CONFIG_TI_DAVINCI_EMAC)
+ davinci_init_emac(davinci_sffsdr_mac_addr);
+#endif /* CONFIG_TI_DAVINCI_EMAC) */
+
+#if defined(CONFIG_USB_MUSB_HDRC)
+ /* The SFFSDR supports only peripheral mode. */
+ setup_usb(0, 0);
+#endif /* CONFIG_USB_SUPPORT */
+}
+
+#if defined(CONFIG_TI_DAVINCI_EMAC)
+
+/* Conversion of a MAC address from a string (AA:BB:CC:DD:EE:FF)
+ * to a 6 bytes array. */
+int davinci_sffsdr_convert_macaddr(char *mac_addr_str, u8 *mac_addr_array)
+{
+ int i;
+
+ if (mac_addr_str == NULL)
+ return -EFAULT;
+
+ for (i = 0; i < 6; i++)
+ mac_addr_array[i] = simple_strtol(&mac_addr_str[i*3],
+ (char **)NULL, 16);
+
+ return 0;
+}
+
+static int davinci_cpmac_eth_setup(char *str)
+{
+ /* The first char passed from the bootloader is '=', so ignore it */
+ davinci_sffsdr_convert_macaddr(&str[1], davinci_sffsdr_mac_addr);
+
+ return 1;
+}
+
+__setup("eth", davinci_cpmac_eth_setup);
+#endif /* CONFIG_TI_DAVINCI_EMAC) */
+
+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
_______________________________________________
Davinci-linux-open-source mailing list
[email protected]
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
