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Commit c6e34a4c authored by Arnaud Patard's avatar Arnaud Patard Committed by Sascha Hauer
Browse files

efikamx: add spi nor support 



On efikamx, uboot is stored on a nor spi flash. Add support for it

Signed-off-by: default avatarArnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 0dea1c74

arch/arm/mach-mx5/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -83,6 +83,7 @@ config MACH_MX51_EFIKAMX 
	bool "Support MX51 Genesi Efika MX nettop"

	bool "Support MX51 Genesi Efika MX nettop"

	select IMX_HAVE_PLATFORM_ESDHC

	select IMX_HAVE_PLATFORM_ESDHC

	select IMX_HAVE_PLATFORM_IMX_UART

	select IMX_HAVE_PLATFORM_IMX_UART

	select IMX_HAVE_PLATFORM_SPI_IMX

	help

	help

	  Include support for Genesi Efika MX nettop. This includes specific

	  Include support for Genesi Efika MX nettop. This includes specific

	  configurations for the board and its peripherals.

	  configurations for the board and its peripherals.

arch/arm/mach-mx5/board-mx51_efikamx.c

+58 −0
Original line number Original line Diff line number Diff line
@@ -23,6 +23,8 @@ 
#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/io.h>

#include <linux/io.h>

#include <linux/fsl_devices.h>

#include <linux/fsl_devices.h>

#include <linux/spi/flash.h>

#include <linux/spi/spi.h>





#include <mach/common.h>

#include <mach/common.h>

#include <mach/hardware.h>

#include <mach/hardware.h>
@@ -51,6 +53,9 @@ 




#define EFIKAMX_POWER_KEY	(1*32 + 31)

#define EFIKAMX_POWER_KEY	(1*32 + 31)





#define EFIKAMX_SPI_CS0		(3*32 + 24)

#define EFIKAMX_SPI_CS1		(3*32 + 25)



/* the pci ids pin have pull up. they're driven low according to board id */

/* the pci ids pin have pull up. they're driven low according to board id */

#define MX51_PAD_PCBID0	IOMUX_PAD(0x518, 0x130, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)

#define MX51_PAD_PCBID0	IOMUX_PAD(0x518, 0x130, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)

#define MX51_PAD_PCBID1	IOMUX_PAD(0x51C, 0x134, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)

#define MX51_PAD_PCBID1	IOMUX_PAD(0x51C, 0x134, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
@@ -97,6 +102,14 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = { 




	/* power key */

	/* power key */

	MX51_PAD_PWRKEY,

	MX51_PAD_PWRKEY,



	/* spi */

	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,

	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,

	MX51_PAD_CSPI1_SS0__GPIO_4_24,

	MX51_PAD_CSPI1_SS1__GPIO_4_25,

	MX51_PAD_CSPI1_RDY__ECSPI1_RDY,

	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,

};

};





/* Serial ports */

/* Serial ports */
@@ -242,6 +255,47 @@ static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initcon 
	.nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),

	.nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),

};

};





static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {

	{

	 .name = "u-boot",

	 .offset = 0,

	 .size = SZ_256K,

	},

	{

	  .name = "config",

	  .offset = MTDPART_OFS_APPEND,

	  .size = SZ_64K,

	},

};



static struct flash_platform_data mx51_efikamx_spi_flash_data = {

	.name		= "spi_flash",

	.parts		= mx51_efikamx_spi_nor_partitions,

	.nr_parts	= ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),

	.type		= "sst25vf032b",

};



static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {

	{

		.modalias = "m25p80",

		.max_speed_hz = 25000000,

		.bus_num = 0,

		.chip_select = 1,

		.platform_data = &mx51_efikamx_spi_flash_data,

		.irq = -1,

	},

};



static int mx51_efikamx_spi_cs[] = {

	EFIKAMX_SPI_CS0,

	EFIKAMX_SPI_CS1,

};



static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {

	.chipselect     = mx51_efikamx_spi_cs,

	.num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),

};



static void __init mxc_board_init(void)

static void __init mxc_board_init(void)

{

{

	mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,

	mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
@@ -259,6 +313,10 @@ static void __init mxc_board_init(void) 




	platform_device_register(&mx51_efikamx_leds_device);

	platform_device_register(&mx51_efikamx_leds_device);

	imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);

	imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);



	spi_register_board_info(mx51_efikamx_spi_board_info,

		ARRAY_SIZE(mx51_efikamx_spi_board_info));

	imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);

}

}





static void __init mx51_efikamx_timer_init(void)

static void __init mx51_efikamx_timer_init(void)