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Commit 57a58a2e authored by Cyril Chemparathy's avatar Cyril Chemparathy Committed by Kevin Hilman
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Davinci: tnetv107x evm board initial support 



Added support for tnetv107x evaluation module.

Signed-off-by: default avatarCyril Chemparathy <cyril@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent d92c7962

arch/arm/mach-davinci/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -178,6 +178,13 @@ config DA850_UI_RMII 


endchoice



config MACH_TNETV107X

	bool "TI TNETV107X Reference Platform"

	default ARCH_DAVINCI_TNETV107X

	depends on ARCH_DAVINCI_TNETV107X

	help

	  Say Y here to select the TI TNETV107X Evaluation Module.



config DAVINCI_MUX

	bool "DAVINCI multiplexing support"

	depends on ARCH_DAVINCI

arch/arm/mach-davinci/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o cdce949.o 
obj-$(CONFIG_MACH_DAVINCI_DM365_EVM)	+= board-dm365-evm.o

obj-$(CONFIG_MACH_DAVINCI_DA830_EVM)	+= board-da830-evm.o

obj-$(CONFIG_MACH_DAVINCI_DA850_EVM)	+= board-da850-evm.o

obj-$(CONFIG_MACH_TNETV107X)		+= board-tnetv107x-evm.o



# Power Management

obj-$(CONFIG_CPU_FREQ)			+= cpufreq.o

arch/arm/mach-davinci/board-tnetv107x-evm.c

0 → 100644
+174 −0
Original line number Diff line number Diff line 
/*

 * Texas Instruments TNETV107X EVM Board Support

 *

 * Copyright (C) 2010 Texas Instruments

 *

 * 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 version 2.

 *

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any

 * kind, whether express or implied; without even the implied warranty

 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/console.h>

#include <linux/dma-mapping.h>

#include <linux/interrupt.h>

#include <linux/gpio.h>

#include <linux/delay.h>

#include <linux/platform_device.h>

#include <linux/ratelimit.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>

#include <asm/mach/arch.h>

#include <asm/mach-types.h>



#include <mach/irqs.h>

#include <mach/edma.h>

#include <mach/mux.h>

#include <mach/cp_intc.h>

#include <mach/tnetv107x.h>



#define EVM_MMC_WP_GPIO		21

#define EVM_MMC_CD_GPIO		24



static int initialize_gpio(int gpio, char *desc)

{

	int ret;



	ret = gpio_request(gpio, desc);

	if (ret < 0) {

		pr_err_ratelimited("cannot open %s gpio\n", desc);

		return -ENOSYS;

	}

	gpio_direction_input(gpio);

	return gpio;

}



static int mmc_get_cd(int index)

{

	static int gpio;



	if (!gpio)

		gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect");



	if (gpio < 0)

		return gpio;



	return gpio_get_value(gpio) ? 0 : 1;

}



static int mmc_get_ro(int index)

{

	static int gpio;



	if (!gpio)

		gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect");



	if (gpio < 0)

		return gpio;



	return gpio_get_value(gpio) ? 1 : 0;

}



static struct davinci_mmc_config mmc_config = {

	.get_cd		= mmc_get_cd,

	.get_ro		= mmc_get_ro,

	.wires		= 4,

	.max_freq	= 50000000,

	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,

	.version	= MMC_CTLR_VERSION_1,

};



static const short sdio1_pins[] __initdata = {

	TNETV107X_SDIO1_CLK_1,		TNETV107X_SDIO1_CMD_1,

	TNETV107X_SDIO1_DATA0_1,	TNETV107X_SDIO1_DATA1_1,

	TNETV107X_SDIO1_DATA2_1,	TNETV107X_SDIO1_DATA3_1,

	TNETV107X_GPIO21,		TNETV107X_GPIO24,

	-1

};



static const short uart1_pins[] __initdata = {

	TNETV107X_UART1_RD,		TNETV107X_UART1_TD,

	-1

};



static struct mtd_partition nand_partitions[] = {

	/* bootloader (U-Boot, etc) in first 12 sectors */

	{

		.name		= "bootloader",

		.offset		= 0,

		.size		= (12*SZ_128K),

		.mask_flags	= MTD_WRITEABLE,	/* force read-only */

	},

	/* bootloader params in the next sector */

	{

		.name		= "params",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= SZ_128K,

		.mask_flags	= MTD_WRITEABLE,	/* force read-only */

	},

	/* kernel */

	{

		.name		= "kernel",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= SZ_4M,

		.mask_flags	= 0,

	},

	/* file system */

	{

		.name		= "filesystem",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= MTDPART_SIZ_FULL,

		.mask_flags	= 0,

	}

};



static struct davinci_nand_pdata nand_config = {

	.mask_cle	= 0x4000,

	.mask_ale	= 0x2000,

	.parts		= nand_partitions,

	.nr_parts	= ARRAY_SIZE(nand_partitions),

	.ecc_mode	= NAND_ECC_HW,

	.options	= NAND_USE_FLASH_BBT,

	.ecc_bits	= 1,

};



static struct davinci_uart_config serial_config __initconst = {

	.enabled_uarts	= BIT(1),

};



static struct tnetv107x_device_info evm_device_info __initconst = {

	.serial_config		= &serial_config,

	.mmc_config[1]		= &mmc_config,	/* controller 1 */

	.nand_config[0]		= &nand_config,	/* chip select 0 */

};



static __init void tnetv107x_evm_board_init(void)

{

	davinci_cfg_reg_list(sdio1_pins);

	davinci_cfg_reg_list(uart1_pins);



	tnetv107x_devices_init(&evm_device_info);

}



#ifdef CONFIG_SERIAL_8250_CONSOLE

static int __init tnetv107x_evm_console_init(void)

{

	return add_preferred_console("ttyS", 0, "115200");

}

console_initcall(tnetv107x_evm_console_init);

#endif



MACHINE_START(TNETV107X, "TNETV107X EVM")

	.phys_io	= TNETV107X_IO_BASE,

	.io_pg_offst	= (TNETV107X_IO_VIRT >> 18) & 0xfffc,

	.boot_params	= (TNETV107X_DDR_BASE + 0x100),

	.map_io		= tnetv107x_init,

	.init_irq	= cp_intc_init,

	.timer		= &davinci_timer,

	.init_machine	= tnetv107x_evm_board_init,

MACHINE_END