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Commit cc2b28ba authored by Andrew Victor's avatar Andrew Victor Committed by Russell King
Browse files

[ARM] 3869/1: AT91: NAND support for DK and KB9202 boards 



This patch adds support for the NAND flash on the Atmel AT91RM9200-DK
and KwikByte KB920x boards.

Signed-off-by: default avatarAndrew Victor <andrew@sanpeople.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 97f0fb68

arch/arm/mach-at91rm9200/board-dk.c

+25 −0
Original line number Diff line number Diff line
@@ -122,6 +122,29 @@ static struct spi_board_info dk_spi_devices[] = { 
#endif

};



static struct mtd_partition __initdata dk_nand_partition[] = {

	{

		.name	= "NAND Partition 1",

		.offset	= 0,

		.size	= MTDPART_SIZ_FULL,

	},

};



static struct mtd_partition *nand_partitions(int size, int *num_partitions)

{

	*num_partitions = ARRAY_SIZE(dk_nand_partition);

	return dk_nand_partition;

}



static struct at91_nand_data __initdata dk_nand_data = {

	.ale		= 22,

	.cle		= 21,

	.det_pin	= AT91_PIN_PB1,

	.rdy_pin	= AT91_PIN_PC2,

	// .enable_pin	= ... not there

	.partition_info	= nand_partitions,

};



static void __init dk_board_init(void)

{

	/* Serial */
@@ -147,6 +170,8 @@ static void __init dk_board_init(void) 
	at91_set_gpio_output(AT91_PIN_PB7, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */

	at91_add_device_mmc(&dk_mmc_data);

#endif

	/* NAND */

	at91_add_device_nand(&dk_nand_data);

	/* VGA */

//	dk_add_device_video();

}

arch/arm/mach-at91rm9200/board-kb9202.c

+25 −0
Original line number Diff line number Diff line
@@ -89,6 +89,29 @@ static struct at91_mmc_data __initdata kb9202_mmc_data = { 
	.wire4		= 1,

};



static struct mtd_partition __initdata kb9202_nand_partition[] = {

	{

		.name	= "nand_fs",

		.offset	= 0,

		.size	= MTDPART_SIZ_FULL,

	},

};



static struct mtd_partition *nand_partitions(int size, int *num_partitions)

{

	*num_partitions = ARRAY_SIZE(kb9202_nand_partition);

	return kb9202_nand_partition;

}



static struct at91_nand_data __initdata kb9202_nand_data = {

	.ale		= 22,

	.cle		= 21,

	// .det_pin	= ... not there

	.rdy_pin	= AT91_PIN_PC29,

	.enable_pin	= AT91_PIN_PC28,

	.partition_info	= nand_partitions,

};



static void __init kb9202_board_init(void)

{

	/* Serial */
@@ -105,6 +128,8 @@ static void __init kb9202_board_init(void) 
	at91_add_device_i2c();

	/* SPI */

	at91_add_device_spi(NULL, 0);

	/* NAND */

	at91_add_device_nand(&kb9202_nand_data);

}



MACHINE_START(KB9200, "KB920x")