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

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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Michael Hennerich 2007-10-29 16:55:18 +08:00 committed by Bryan Wu
parent ab472a0484
commit 64307f7db3
3 changed files with 73 additions and 1 deletions
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53
arch/blackfin/mach-bf527/boards/ezkit.c
View file

@ -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

7
include/asm-blackfin/mach-bf527/dma.h
View file

@ -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[];

14
include/asm-blackfin/mach-bf548/portmux.h
View file

@ -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_ */