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Commit ceac2651 authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
Browse files

Blackfin arch: Add MTD Partitions for MTD_DATAFLASH, increase max SPI SCLK 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent b8e6c91c

arch/blackfin/mach-bf537/boards/stamp.c

+26 −1
Original line number Diff line number Diff line
@@ -584,6 +584,30 @@ static struct bfin5xx_spi_chip spidev_chip_info = { 


#if defined(CONFIG_MTD_DATAFLASH) \

	|| defined(CONFIG_MTD_DATAFLASH_MODULE)



static struct mtd_partition bfin_spi_dataflash_partitions[] = {

	{

		.name = "bootloader(spi)",

		.size = 0x00040000,

		.offset = 0,

		.mask_flags = MTD_CAP_ROM

	}, {

		.name = "linux kernel(spi)",

		.size = 0xe0000,

		.offset = MTDPART_OFS_APPEND,

	}, {

		.name = "file system(spi)",

		.size = MTDPART_SIZ_FULL,

		.offset = MTDPART_OFS_APPEND,

	}

};



static struct flash_platform_data bfin_spi_dataflash_data = {

	.name = "SPI Dataflash",

	.parts = bfin_spi_dataflash_partitions,

	.nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),

};



/* DataFlash chip */

static struct bfin5xx_spi_chip data_flash_chip_info = {

	.enable_dma = 0,         /* use dma transfer with this chip*/
@@ -609,9 +633,10 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { 
	|| defined(CONFIG_MTD_DATAFLASH_MODULE)

	{	/* DataFlash chip */

		.modalias = "mtd_dataflash",

		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */

		.max_speed_hz = 33250000,     /* max spi clock (SCK) speed in HZ */

		.bus_num = 0, /* Framework bus number */

		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/

		.platform_data = &bfin_spi_dataflash_data,

		.controller_data = &data_flash_chip_info,

		.mode = SPI_MODE_3,

	},