Blackfin arch: add NFC driver support in BF527-EZKIT board

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 3e884f3a8182..bf1bedcc8868 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -41,9 +41,11 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/usb_sl811.h>
+#include <asm/cplb.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
+#include <asm/nand.h>
 #include <linux/spi/ad7877.h>
 
 /*
@@ -102,6 +104,53 @@ void __exit bfin_isp1761_exit(void)
 arch_initcall(bfin_isp1761_init);
 #endif
 
+#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
+static struct mtd_partition partition_info[] = {
+        {
+                .name = "Linux Kernel",
+                .offset = 0,
+                .size = 4 * SIZE_1M,
+        },
+        {
+                .name = "File System",
+                .offset = 4 * SIZE_1M,
+                .size = (256 - 4) * SIZE_1M,
+        },
+};
+
+static struct bf5xx_nand_platform bf5xx_nand_platform = {
+        .page_size = NFC_PG_SIZE_256,
+        .data_width = NFC_NWIDTH_8,
+        .partitions = partition_info,
+        .nr_partitions = ARRAY_SIZE(partition_info),
+        .rd_dly = 3,
+        .wr_dly = 3,
+};
+
+static struct resource bf5xx_nand_resources[] = {
+        {
+                .start = NFC_CTL,
+                .end = NFC_DATA_RD + 2,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .start = CH_NFC,
+                .end = CH_NFC,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device bf5xx_nand_device = {
+        .name = "bf5xx-nand",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
+        .resource = bf5xx_nand_resources,
+        .dev = {
+                .platform_data = &bf5xx_nand_platform,
+        },
+};
+#endif
+
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
 static struct resource bfin_pcmcia_cf_resources[] = {
         {
@@ -650,6 +699,10 @@ static struct platform_device bfin_pata_device = {
 #endif
 
 static struct platform_device *stamp_devices[] __initdata = {
+#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
+        &bf5xx_nand_device,
+#endif
+
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
         &bfin_pcmcia_cf_device,
 #endif