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-rw-r--r--arch/blackfin/mach-bf537/boards/stamp.c142
1 files changed, 118 insertions, 24 deletions
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();
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.