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>
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 3e884f3..bf1bedc 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 @@
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 @@
#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
diff --git a/include/asm-blackfin/mach-bf527/dma.h b/include/asm-blackfin/mach-bf527/dma.h
index a41627a..2dfee12 100644
--- a/include/asm-blackfin/mach-bf527/dma.h
+++ b/include/asm-blackfin/mach-bf527/dma.h
@@ -35,7 +35,6 @@
#define MAX_BLACKFIN_DMA_CHANNEL 16
#define CH_PPI 0 /* PPI receive/transmit or NFC */
-#define CH_NFC 0 /* PPI receive/transmit or NFC */
#define CH_EMAC_RX 1 /* Ethernet MAC receive or HOSTDP */
#define CH_EMAC_HOSTDP 1 /* Ethernet MAC receive or HOSTDP */
#define CH_EMAC_TX 2 /* Ethernet MAC transmit or NFC */
@@ -54,6 +53,12 @@
#define CH_MEM_STREAM1_DEST 14 /* TX */
#define CH_MEM_STREAM1_SRC 15 /* RX */
+#if defined(CONFIG_BF527_NAND_D_PORTF)
+#define CH_NFC CH_PPI /* PPI receive/transmit or NFC */
+#elif defined(CONFIG_BF527_NAND_D_PORTH)
+#define CH_NFC CH_EMAC_TX /* PPI receive/transmit or NFC */
+#endif
+
extern int channel2irq(unsigned int channel);
extern struct dma_register *base_addr[];
diff --git a/include/asm-blackfin/mach-bf548/portmux.h b/include/asm-blackfin/mach-bf548/portmux.h
index b382deb..6b48512 100644
--- a/include/asm-blackfin/mach-bf548/portmux.h
+++ b/include/asm-blackfin/mach-bf548/portmux.h
@@ -267,4 +267,18 @@
#define P_AMC_BG (P_DEFINED | P_IDENT(GPIO_PJ12) | P_FUNCT(0))
#define P_AMC_BGH (P_DEFINED | P_IDENT(GPIO_PJ13) | P_FUNCT(0))
+
+#define P_NAND_D0 (P_DONTCARE)
+#define P_NAND_D1 (P_DONTCARE)
+#define P_NAND_D2 (P_DONTCARE)
+#define P_NAND_D3 (P_DONTCARE)
+#define P_NAND_D4 (P_DONTCARE)
+#define P_NAND_D5 (P_DONTCARE)
+#define P_NAND_D6 (P_DONTCARE)
+#define P_NAND_D7 (P_DONTCARE)
+#define P_NAND_WE (P_DONTCARE)
+#define P_NAND_RE (P_DONTCARE)
+#define P_NAND_CLE (P_DONTCARE)
+#define P_NAND_ALE (P_DONTCARE)
+
#endif /* _MACH_PORTMUX_H_ */