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-rw-r--r--arch/blackfin/mach-bf537/boards/cm_bf537.c87
-rw-r--r--arch/blackfin/mach-bf537/boards/generic_board.c397
-rw-r--r--arch/blackfin/mach-bf537/boards/pnav10.c53
-rw-r--r--arch/blackfin/mach-bf537/boards/stamp.c142
4 files changed, 569 insertions, 110 deletions
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537.c b/arch/blackfin/mach-bf537/boards/cm_bf537.c
index a8f947b72754..44dea05e1d03 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537.c
@@ -35,7 +35,9 @@
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/usb_isp1362.h>
+#include <linux/pata_platform.h>
#include <linux/irq.h>
+#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
/*
@@ -113,7 +115,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
@@ -125,7 +127,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. */
.platform_data = NULL, /* No spi_driver specific config */
.controller_data = &spi_adc_chip_info,
@@ -136,7 +138,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad1836-spi",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
.controller_data = &ad1836_spi_chip_info,
},
@@ -146,7 +148,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad9960-spi",
.max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 1,
.controller_data = &ad9960_spi_chip_info,
},
@@ -156,7 +158,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc_dummy",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 7,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -165,7 +167,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -174,17 +176,33 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
#endif
};
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+ [0] = {
+ .start = SPI0_REGBASE,
+ .end = SPI0_REGBASE + 0xFF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CH_SPI,
+ .end = CH_SPI,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
/* SPI controller data */
-static struct bfin5xx_spi_master spi_bfin_master_info = {
+static struct bfin5xx_spi_master bfin_spi0_info = {
.num_chipselect = 8,
.enable_dma = 1, /* master has the ability to do dma transfer */
};
-static struct platform_device spi_bfin_master_device = {
- .name = "bfin-spi-master",
- .id = 1, /* Bus number */
+static struct platform_device bfin_spi0_device = {
+ .name = "bfin-spi",
+ .id = 0, /* Bus number */
+ .num_resources = ARRAY_SIZE(bfin_spi0_resource),
+ .resource = bfin_spi0_resource,
.dev = {
- .platform_data = &spi_bfin_master_info, /* Passed to driver */
+ .platform_data = &bfin_spi0_info, /* Passed to driver */
},
};
#endif /* spi master and devices */
@@ -316,6 +334,43 @@ static struct platform_device bfin_mac_device = {
};
#endif
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+#define PATA_INT 64
+
+static struct pata_platform_info bfin_pata_platform_data = {
+ .ioport_shift = 2,
+ .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
+};
+
+static struct resource bfin_pata_resources[] = {
+ {
+ .start = 0x2030C000,
+ .end = 0x2030C01F,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x2030D018,
+ .end = 0x2030D01B,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PATA_INT,
+ .end = PATA_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_pata_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(bfin_pata_resources),
+ .resource = bfin_pata_resources,
+ .dev = {
+ .platform_data = &bfin_pata_platform_data,
+ }
+};
+#endif
+
static struct platform_device *cm_bf537_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
@@ -347,7 +402,11 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- &spi_bfin_master_device,
+ &bfin_spi0_device,
+#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ &bfin_pata_device,
#endif
};
@@ -358,6 +417,10 @@ static int __init cm_bf537_init(void)
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
+#endif
return 0;
}
diff --git a/arch/blackfin/mach-bf537/boards/generic_board.c b/arch/blackfin/mach-bf537/boards/generic_board.c
index 648d984e98d6..5e9d09eb8579 100644
--- a/arch/blackfin/mach-bf537/boards/generic_board.c
+++ b/arch/blackfin/mach-bf537/boards/generic_board.c
@@ -8,7 +8,7 @@
*
* Modified:
* Copyright 2005 National ICT Australia (NICTA)
- * Copyright 2004-2006 Analog Devices Inc.
+ * Copyright 2004-2007 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
@@ -34,20 +34,74 @@
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
+#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb_isp1362.h>
+#endif
+#include <linux/pata_platform.h>
#include <linux/irq.h>
+#include <linux/interrupt.h>
#include <linux/usb_sl811.h>
+#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
+#include <asm/reboot.h>
+#include <linux/spi/ad7877.h>
/*
* Name the Board for the /proc/cpuinfo
*/
-char *bfin_board_name = "UNKNOWN BOARD";
+char *bfin_board_name = "GENERIC Board";
/*
* Driver needs to know address, irq and flag pin.
*/
+#define ISP1761_BASE 0x203C0000
+#define ISP1761_IRQ IRQ_PF7
+
+#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
+static struct resource bfin_isp1761_resources[] = {
+ [0] = {
+ .name = "isp1761-regs",
+ .start = ISP1761_BASE + 0x00000000,
+ .end = ISP1761_BASE + 0x000fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = ISP1761_IRQ,
+ .end = ISP1761_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_isp1761_device = {
+ .name = "isp1761",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_isp1761_resources),
+ .resource = bfin_isp1761_resources,
+};
+
+static struct platform_device *bfin_isp1761_devices[] = {
+ &bfin_isp1761_device,
+};
+
+int __init bfin_isp1761_init(void)
+{
+ unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
+
+ printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+ set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
+
+ return platform_add_devices(bfin_isp1761_devices, num_devices);
+}
+
+void __exit bfin_isp1761_exit(void)
+{
+ platform_device_unregister(&bfin_isp1761_device);
+}
+
+arch_initcall(bfin_isp1761_init);
+#endif
+
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
static struct resource bfin_pcmcia_cf_resources[] = {
{
@@ -59,10 +113,6 @@ static struct resource bfin_pcmcia_cf_resources[] = {
.end = 0x20311FFF,
.flags = IORESOURCE_MEM,
}, {
- .start = IRQ_PROG_INTA,
- .end = IRQ_PROG_INTA,
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
- }, {
.start = IRQ_PF4,
.end = IRQ_PF4,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
@@ -96,14 +146,7 @@ static struct resource smc91x_resources[] = {
.end = 0x20300300 + 16,
.flags = IORESOURCE_MEM,
}, {
- .start = IRQ_PROG_INTB,
- .end = IRQ_PROG_INTB,
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
- }, {
- /*
- * denotes the flag pin and is used directly if
- * CONFIG_IRQCHIP_DEMUX_GPIO is defined.
- */
+
.start = IRQ_PF7,
.end = IRQ_PF7,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
@@ -117,6 +160,28 @@ static struct platform_device smc91x_device = {
};
#endif
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource dm9000_resources[] = {
+ [0] = {
+ .start = 0x203FB800,
+ .end = 0x203FB800 + 8,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_PF9,
+ .end = IRQ_PF9,
+ .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
+ },
+};
+
+static struct platform_device dm9000_device = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm9000_resources),
+ .resource = dm9000_resources,
+};
+#endif
+
#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
static struct resource sl811_hcd_resources[] = {
{
@@ -128,12 +193,8 @@ static struct resource sl811_hcd_resources[] = {
.end = 0x20340004,
.flags = IORESOURCE_MEM,
}, {
- .start = IRQ_PROG_INTA,
- .end = IRQ_PROG_INTA,
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
- }, {
- .start = IRQ_PF0 + CONFIG_USB_SL811_BFIN_GPIO,
- .end = IRQ_PF0 + CONFIG_USB_SL811_BFIN_GPIO,
+ .start = CONFIG_USB_SL811_BFIN_IRQ,
+ .end = CONFIG_USB_SL811_BFIN_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};
@@ -141,21 +202,19 @@ static struct resource sl811_hcd_resources[] = {
#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
void sl811_port_power(struct device *dev, int is_on)
{
- unsigned short mask = (1<<CONFIG_USB_SL811_BFIN_GPIO_VBUS);
-
- bfin_write_PORT_FER(bfin_read_PORT_FER() & ~mask);
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() | mask);
+ gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
+ gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS);
if (is_on)
- bfin_write_FIO_FLAG_S(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 1);
else
- bfin_write_FIO_FLAG_C(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 0);
}
#endif
static struct sl811_platform_data sl811_priv = {
.potpg = 10,
- .power = 250, /* == 500mA */
+ .power = 250, /* == 500mA */
#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
.port_power = &sl811_port_power,
#endif
@@ -170,7 +229,6 @@ static struct platform_device sl811_hcd_device = {
.num_resources = ARRAY_SIZE(sl811_hcd_resources),
.resource = sl811_hcd_resources,
};
-
#endif
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
@@ -184,13 +242,9 @@ static struct resource isp1362_hcd_resources[] = {
.end = 0x20360004,
.flags = IORESOURCE_MEM,
}, {
- .start = IRQ_PROG_INTA,
- .end = IRQ_PROG_INTA,
+ .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
+ .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
- }, {
- .start = IRQ_PF0 + CONFIG_USB_ISP1362_BFIN_GPIO,
- .end = IRQ_PF0 + CONFIG_USB_ISP1362_BFIN_GPIO,
- .flags = IORESOURCE_IRQ,
},
};
@@ -246,7 +300,8 @@ static struct platform_device net2272_bfin_device = {
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */
-#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
+#if defined(CONFIG_MTD_M25P80) \
+ || defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
{
.name = "bootloader",
@@ -302,70 +357,198 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
};
#endif
+#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
+static struct bfin5xx_spi_chip spi_mmc_chip_info = {
+ .enable_dma = 1,
+ .bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_PBX)
+static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
+ .ctl_reg = 0x4, /* send zero */
+ .enable_dma = 0,
+ .bits_per_word = 8,
+ .cs_change_per_word = 1,
+};
+#endif
+
+#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
+static struct bfin5xx_spi_chip ad5304_chip_info = {
+ .enable_dma = 0,
+ .bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
+static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
+ .enable_dma = 0,
+ .bits_per_word = 16,
+};
+
+static const struct ad7877_platform_data bfin_ad7877_ts_info = {
+ .model = 7877,
+ .vref_delay_usecs = 50, /* internal, no capacitor */
+ .x_plate_ohms = 419,
+ .y_plate_ohms = 486,
+ .pressure_max = 1000,
+ .pressure_min = 0,
+ .stopacq_polarity = 1,
+ .first_conversion_delay = 3,
+ .acquisition_time = 1,
+ .averaging = 1,
+ .pen_down_acc_interval = 1,
+};
+#endif
+
static struct spi_board_info bfin_spi_board_info[] __initdata = {
-#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
+#if defined(CONFIG_MTD_M25P80) \
+ || defined(CONFIG_MTD_M25P80_MODULE)
{
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
- .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+ .bus_num = 0, /* Framework bus number */
+ .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
.mode = SPI_MODE_3,
},
#endif
-#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
+#if defined(CONFIG_SPI_ADC_BF533) \
+ || defined(CONFIG_SPI_ADC_BF533_MODULE)
{
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. */
.platform_data = NULL, /* No spi_driver specific config */
.controller_data = &spi_adc_chip_info,
},
#endif
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD1836) \
+ || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
{
.modalias = "ad1836-spi",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
.controller_data = &ad1836_spi_chip_info,
},
#endif
-
#if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
{
.modalias = "ad9960-spi",
.max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 1,
.controller_data = &ad9960_spi_chip_info,
},
#endif
+#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
+ {
+ .modalias = "spi_mmc_dummy",
+ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .chip_select = 0,
+ .platform_data = NULL,
+ .controller_data = &spi_mmc_chip_info,
+ .mode = SPI_MODE_3,
+ },
+ {
+ .modalias = "spi_mmc",
+ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .chip_select = CONFIG_SPI_MMC_CS_CHAN,
+ .platform_data = NULL,
+ .controller_data = &spi_mmc_chip_info,
+ .mode = SPI_MODE_3,
+ },
+#endif
+#if defined(CONFIG_PBX)
+ {
+ .modalias = "fxs-spi",
+ .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .chip_select = 8 - CONFIG_J11_JUMPER,
+ .controller_data = &spi_si3xxx_chip_info,
+ .mode = SPI_MODE_3,
+ },
+ {
+ .modalias = "fxo-spi",
+ .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .chip_select = 8 - CONFIG_J19_JUMPER,
+ .controller_data = &spi_si3xxx_chip_info,
+ .mode = SPI_MODE_3,
+ },
+#endif
+#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
+ {
+ .modalias = "ad5304_spi",
+ .max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .chip_select = 2,
+ .platform_data = NULL,
+ .controller_data = &ad5304_chip_info,
+ .mode = SPI_MODE_2,
+ },
+#endif
+#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
+ {
+ .modalias = "ad7877",
+ .platform_data = &bfin_ad7877_ts_info,
+ .irq = IRQ_PF6,
+ .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 1,
+ .chip_select = 1,
+ .controller_data = &spi_ad7877_chip_info,
+ },
+#endif
};
/* SPI controller data */
-static struct bfin5xx_spi_master spi_bfin_master_info = {
+static struct bfin5xx_spi_master bfin_spi0_info = {
.num_chipselect = 8,
.enable_dma = 1, /* master has the ability to do dma transfer */
};
-static struct platform_device spi_bfin_master_device = {
- .name = "bfin-spi-master",
- .id = 1, /* Bus number */
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+ [0] = {
+ .start = SPI0_REGBASE,
+ .end = SPI0_REGBASE + 0xFF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CH_SPI,
+ .end = CH_SPI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_spi0_device = {
+ .name = "bfin-spi",
+ .id = 0, /* Bus number */
+ .num_resources = ARRAY_SIZE(bfin_spi0_resource),
+ .resource = bfin_spi0_resource,
.dev = {
- .platform_data = &spi_bfin_master_info, /* Passed to driver */
+ .platform_data = &bfin_spi0_info, /* Passed to driver */
},
};
#endif /* spi master and devices */
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
static struct platform_device bfin_fb_device = {
- .name = "bf537-fb",
+ .name = "bf537-lq035",
+};
+#endif
+
+#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
+static struct platform_device bfin_fb_adv7393_device = {
+ .name = "bfin-adv7393",
};
#endif
@@ -390,15 +573,86 @@ static struct platform_device bfin_uart_device = {
};
#endif
-static struct platform_device *stamp_devices[] __initdata = {
-#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
- &rtc_device,
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+static struct resource bfin_twi0_resource[] = {
+ [0] = {
+ .start = TWI0_REGBASE,
+ .end = TWI0_REGBASE + 0xFF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TWI,
+ .end = IRQ_TWI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device i2c_bfin_twi_device = {
+ .name = "i2c-bfin-twi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_twi0_resource),
+ .resource = bfin_twi0_resource,
+};
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+static struct platform_device bfin_sport0_uart_device = {
+ .name = "bfin-sport-uart",
+ .id = 0,
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+ .name = "bfin-sport-uart",
+ .id = 1,
+};
+#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+#define PATA_INT 55
+
+static struct pata_platform_info bfin_pata_platform_data = {
+ .ioport_shift = 1,
+ .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
+};
+
+static struct resource bfin_pata_resources[] = {
+ {
+ .start = 0x20314020,
+ .end = 0x2031403F,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x2031401C,
+ .end = 0x2031401F,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PATA_INT,
+ .end = PATA_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_pata_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(bfin_pata_resources),
+ .resource = bfin_pata_resources,
+ .dev = {
+ .platform_data = &bfin_pata_platform_data,
+ }
+};
#endif
+static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
&bfin_pcmcia_cf_device,
#endif
+#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+ &rtc_device,
+#endif
+
#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
&sl811_hcd_device,
#endif
@@ -411,6 +665,10 @@ static struct platform_device *stamp_devices[] __initdata = {
&smc91x_device,
#endif
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+ &dm9000_device,
+#endif
+
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
&bfin_mac_device,
#endif
@@ -420,16 +678,33 @@ static struct platform_device *stamp_devices[] __initdata = {
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- &spi_bfin_master_device,
+ &bfin_spi0_device,
#endif
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
&bfin_fb_device,
#endif
+#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
+ &bfin_fb_adv7393_device,
+#endif
+
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
&bfin_uart_device,
#endif
+
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+ &i2c_bfin_twi_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+ &bfin_sport0_uart_device,
+ &bfin_sport1_uart_device,
+#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ &bfin_pata_device,
+#endif
};
static int __init stamp_init(void)
@@ -437,9 +712,21 @@ static int __init stamp_init(void)
printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
+ spi_register_board_info(bfin_spi_board_info,
+ ARRAY_SIZE(bfin_spi_board_info));
+#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
#endif
return 0;
}
arch_initcall(stamp_init);
+
+void native_machine_restart(char *cmd)
+{
+ /* workaround reboot hang when booting from SPI */
+ if ((bfin_read_SYSCR() & 0x7) == 0x3)
+ bfin_gpio_reset_spi0_ssel1();
+}
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 8806f1230f2d..20507e92a3a4 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -38,6 +38,7 @@
#include <linux/usb_isp1362.h>
#endif
#include <linux/irq.h>
+#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <linux/usb_sl811.h>
@@ -130,15 +131,13 @@ static struct resource sl811_hcd_resources[] = {
#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
void sl811_port_power(struct device *dev, int is_on)
{
- unsigned short mask = (1 << CONFIG_USB_SL811_BFIN_GPIO_VBUS);
-
- bfin_write_PORT_FER(bfin_read_PORT_FER() & ~mask);
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() | mask);
+ gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
+ gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS);
if (is_on)
- bfin_write_FIO_FLAG_S(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 1);
else
- bfin_write_FIO_FLAG_C(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 0);
}
#endif
@@ -323,7 +322,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
@@ -336,7 +335,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. */
.platform_data = NULL, /* No spi_driver specific config */
.controller_data = &spi_adc_chip_info,
@@ -348,7 +347,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad1836-spi",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
.controller_data = &ad1836_spi_chip_info,
},
@@ -357,7 +356,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad9960-spi",
.max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 1,
.controller_data = &ad9960_spi_chip_info,
},
@@ -366,7 +365,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc_dummy",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 7,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -375,7 +374,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -396,24 +395,40 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
};
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+ [0] = {
+ .start = SPI0_REGBASE,
+ .end = SPI0_REGBASE + 0xFF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CH_SPI,
+ .end = CH_SPI,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
/* SPI controller data */
-static struct bfin5xx_spi_master spi_bfin_master_info = {
+static struct bfin5xx_spi_master bfin_spi0_info = {
.num_chipselect = 8,
.enable_dma = 1, /* master has the ability to do dma transfer */
};
-static struct platform_device spi_bfin_master_device = {
- .name = "bfin-spi-master",
- .id = 1, /* Bus number */
+static struct platform_device bfin_spi0_device = {
+ .name = "bfin-spi",
+ .id = 0, /* Bus number */
+ .num_resources = ARRAY_SIZE(bfin_spi0_resource),
+ .resource = bfin_spi0_resource,
.dev = {
- .platform_data = &spi_bfin_master_info, /* Passed to driver */
+ .platform_data = &bfin_spi0_info, /* Passed to driver */
},
};
#endif /* spi master and devices */
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
static struct platform_device bfin_fb_device = {
- .name = "bf537-fb",
+ .name = "bf537-lq035",
};
#endif
@@ -469,7 +484,7 @@ static struct platform_device *stamp_devices[] __initdata = {
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- &spi_bfin_master_device,
+ &bfin_spi0_device,
#endif
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 9c43d7756510..47d7d4a0e73d 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -37,10 +37,13 @@
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb_isp1362.h>
#endif
+#include <linux/pata_platform.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb_sl811.h>
+#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
+#include <asm/reboot.h>
#include <linux/spi/ad7877.h>
/*
@@ -199,15 +202,13 @@ static struct resource sl811_hcd_resources[] = {
#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
void sl811_port_power(struct device *dev, int is_on)
{
- unsigned short mask = (1 << CONFIG_USB_SL811_BFIN_GPIO_VBUS);
-
- bfin_write_PORT_FER(bfin_read_PORT_FER() & ~mask);
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() | mask);
+ gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
+ gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS);
if (is_on)
- bfin_write_FIO_FLAG_S(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 1);
else
- bfin_write_FIO_FLAG_C(mask);
+ gpio_set_value(CONFIG_USB_SL811_BFIN_GPIO_VBUS, 0);
}
#endif
@@ -407,7 +408,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
@@ -420,7 +421,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1, /* Framework bus number */
+ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. */
.platform_data = NULL, /* No spi_driver specific config */
.controller_data = &spi_adc_chip_info,
@@ -432,7 +433,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad1836-spi",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
.controller_data = &ad1836_spi_chip_info,
},
@@ -441,7 +442,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad9960-spi",
.max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 1,
.controller_data = &ad9960_spi_chip_info,
},
@@ -450,7 +451,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc_dummy",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -459,7 +460,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
@@ -470,16 +471,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "fxs-spi",
.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
- .chip_select = 3,
+ .bus_num = 0,
+ .chip_select = 8 - CONFIG_J11_JUMPER,
.controller_data = &spi_si3xxx_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "fxo-spi",
.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
- .chip_select = 2,
+ .bus_num = 0,
+ .chip_select = 8 - CONFIG_J19_JUMPER,
.controller_data = &spi_si3xxx_chip_info,
.mode = SPI_MODE_3,
},
@@ -488,7 +489,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
{
.modalias = "ad5304_spi",
.max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 1,
+ .bus_num = 0,
.chip_select = 2,
.platform_data = NULL,
.controller_data = &ad5304_chip_info,
@@ -509,23 +510,45 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
};
/* SPI controller data */
-static struct bfin5xx_spi_master spi_bfin_master_info = {
+static struct bfin5xx_spi_master bfin_spi0_info = {
.num_chipselect = 8,
.enable_dma = 1, /* master has the ability to do dma transfer */
};
-static struct platform_device spi_bfin_master_device = {
- .name = "bfin-spi-master",
- .id = 1, /* Bus number */
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+ [0] = {
+ .start = SPI0_REGBASE,
+ .end = SPI0_REGBASE + 0xFF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CH_SPI,
+ .end = CH_SPI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_spi0_device = {
+ .name = "bfin-spi",
+ .id = 0, /* Bus number */
+ .num_resources = ARRAY_SIZE(bfin_spi0_resource),
+ .resource = bfin_spi0_resource,
.dev = {
- .platform_data = &spi_bfin_master_info, /* Passed to driver */
+ .platform_data = &bfin_spi0_info, /* Passed to driver */
},
};
#endif /* spi master and devices */
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
static struct platform_device bfin_fb_device = {
- .name = "bf537-fb",
+ .name = "bf537-lq035",
+};
+#endif
+
+#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
+static struct platform_device bfin_fb_adv7393_device = {
+ .name = "bfin-adv7393",
};
#endif
@@ -551,9 +574,24 @@ static struct platform_device bfin_uart_device = {
#endif
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+static struct resource bfin_twi0_resource[] = {
+ [0] = {
+ .start = TWI0_REGBASE,
+ .end = TWI0_REGBASE,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TWI,
+ .end = IRQ_TWI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct platform_device i2c_bfin_twi_device = {
.name = "i2c-bfin-twi",
.id = 0,
+ .num_resources = ARRAY_SIZE(bfin_twi0_resource),
+ .resource = bfin_twi0_resource,
};
#endif
@@ -569,6 +607,43 @@ static struct platform_device bfin_sport1_uart_device = {
};
#endif
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+#define PATA_INT 55
+
+static struct pata_platform_info bfin_pata_platform_data = {
+ .ioport_shift = 1,
+ .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
+};
+
+static struct resource bfin_pata_resources[] = {
+ {
+ .start = 0x20314020,
+ .end = 0x2031403F,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x2031401C,
+ .end = 0x2031401F,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PATA_INT,
+ .end = PATA_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_pata_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(bfin_pata_resources),
+ .resource = bfin_pata_resources,
+ .dev = {
+ .platform_data = &bfin_pata_platform_data,
+ }
+};
+#endif
+
static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
&bfin_pcmcia_cf_device,
@@ -603,13 +678,17 @@ static struct platform_device *stamp_devices[] __initdata = {
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
- &spi_bfin_master_device,
+ &bfin_spi0_device,
#endif
#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
&bfin_fb_device,
#endif
+#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
+ &bfin_fb_adv7393_device,
+#endif
+
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
&bfin_uart_device,
#endif
@@ -622,6 +701,10 @@ static struct platform_device *stamp_devices[] __initdata = {
&bfin_sport0_uart_device,
&bfin_sport1_uart_device,
#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ &bfin_pata_device,
+#endif
};
static int __init stamp_init(void)
@@ -632,7 +715,18 @@ static int __init stamp_init(void)
spi_register_board_info(bfin_spi_board_info,
ARRAY_SIZE(bfin_spi_board_info));
#endif
+
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+ irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
+#endif
return 0;
}
arch_initcall(stamp_init);
+
+void native_machine_restart(char *cmd)
+{
+ /* workaround reboot hang when booting from SPI */
+ if ((bfin_read_SYSCR() & 0x7) == 0x3)
+ bfin_gpio_reset_spi0_ssel1();
+}
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