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authorAndrew Victor <andrew@sanpeople.com>2006-09-28 10:27:00 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-09-28 11:53:55 +0100
commitcc2b28ba61b0a6bdfcf18274b8b883b98486eca4 (patch)
tree63b6c8c1be3708399d116a4b84485516bf0a90a8 /arch
parent97f0fb68f142b477773c05140da27c1dbd31a2ab (diff)
downloadlinaro-lsk-cc2b28ba61b0a6bdfcf18274b8b883b98486eca4.tar.gz
[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: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-at91rm9200/board-dk.c25
-rw-r--r--arch/arm/mach-at91rm9200/board-kb9202.c25
2 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
index 54c32d00b61..c699f3984d4 100644
--- a/arch/arm/mach-at91rm9200/board-dk.c
+++ b/arch/arm/mach-at91rm9200/board-dk.c
@@ -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();
}
diff --git a/arch/arm/mach-at91rm9200/board-kb9202.c b/arch/arm/mach-at91rm9200/board-kb9202.c
index 55b08f9b953..272fe43bcec 100644
--- a/arch/arm/mach-at91rm9200/board-kb9202.c
+++ b/arch/arm/mach-at91rm9200/board-kb9202.c
@@ -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")