Commit 64307f7d authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
Browse files

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



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent ab472a04

arch/blackfin/mach-bf527/boards/ezkit.c

+53 −0
Original line number Diff line number Diff line
@@ -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

include/asm-blackfin/mach-bf527/dma.h

+6 −1
Original line number Diff line number Diff line
@@ -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[];

include/asm-blackfin/mach-bf548/portmux.h

+14 −0
Original line number Diff line number Diff line
@@ -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_ */