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-rw-r--r--arch/blackfin/mach-bf533/boards/H8606.c83
-rw-r--r--arch/blackfin/mach-bf533/boards/ezkit.c52
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c103
3 files changed, 231 insertions, 7 deletions
diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c
index 6bcf4047f89c..a72c7a620fa1 100644
--- a/arch/blackfin/mach-bf533/boards/H8606.c
+++ b/arch/blackfin/mach-bf533/boards/H8606.c
@@ -40,6 +40,7 @@
#endif
#include <linux/pata_platform.h>
#include <linux/irq.h>
+
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/reboot.h>
@@ -303,7 +304,77 @@ static struct platform_device bfin_uart_device = {
};
#endif
-static struct platform_device *stamp_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
+
+#include <linux/serial_8250.h>
+#include <linux/serial.h>
+
+/*
+ * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
+ * running at half system clock, both with interrupt output or-ed to PF8. Change to
+ * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
+ */
+
+static struct plat_serial8250_port serial8250_platform_data [] = {
+ {
+ .membase = 0x20200000,
+ .mapbase = 0x20200000,
+ .irq = IRQ_PF8,
+ .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
+ .iotype = UPIO_MEM,
+ .regshift = 1,
+ .uartclk = 66666667,
+ }, {
+ .membase = 0x20200010,
+ .mapbase = 0x20200010,
+ .irq = IRQ_PF8,
+ .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
+ .iotype = UPIO_MEM,
+ .regshift = 1,
+ .uartclk = 66666667,
+ }, {
+ }
+};
+
+static struct platform_device serial8250_device = {
+ .id = PLAT8250_DEV_PLATFORM,
+ .name = "serial8250",
+ .dev = {
+ .platform_data = serial8250_platform_data,
+ },
+};
+
+#endif
+
+#if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
+
+/*
+ * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
+ * interrupt output wired to PF9. Change to suit different FPGA configuration
+ */
+
+static struct resource opencores_kbd_resources[] = {
+ [0] = {
+ .start = 0x20200030,
+ .end = 0x20300030 + 2,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_PF9,
+ .end = IRQ_PF9,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ },
+};
+
+static struct platform_device opencores_kbd_device = {
+ .id = -1,
+ .name = "opencores-kbd",
+ .resource = opencores_kbd_resources,
+ .num_resources = ARRAY_SIZE(opencores_kbd_resources),
+};
+#endif
+
+static struct platform_device *h8606_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
#endif
@@ -327,13 +398,21 @@ static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
&bfin_uart_device,
#endif
+
+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
+ &serial8250_device,
+#endif
+
+#if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
+ &opencores_kbd_device,
+#endif
};
static int __init H8606_init(void)
{
printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
- platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
+ platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_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));
#endif
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index be852034a68b..c37dd45c8803 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -256,6 +256,50 @@ static struct platform_device bfin_pata_device = {
};
#endif
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+static struct gpio_keys_button bfin_gpio_keys_table[] = {
+ {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
+ {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
+ {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
+ {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
+};
+
+static struct gpio_keys_platform_data bfin_gpio_keys_data = {
+ .buttons = bfin_gpio_keys_table,
+ .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
+};
+
+static struct platform_device bfin_device_gpiokeys = {
+ .name = "gpio-keys",
+ .dev = {
+ .platform_data = &bfin_gpio_keys_data,
+ },
+};
+#endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#include <linux/i2c-gpio.h>
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+ .sda_pin = 1,
+ .scl_pin = 0,
+ .sda_is_open_drain = 0,
+ .scl_is_open_drain = 0,
+ .udelay = 40,
+};
+
+static struct platform_device i2c_gpio_device = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &i2c_gpio_data,
+ },
+};
+#endif
+
static struct platform_device *ezkit_devices[] __initdata = {
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
&smc91x_device,
@@ -280,6 +324,14 @@ static struct platform_device *ezkit_devices[] __initdata = {
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
&bfin_pata_device,
#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+ &bfin_device_gpiokeys,
+#endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+ &i2c_gpio_device,
+#endif
};
static int __init ezkit_init(void)
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 8fde8d832850..ac52b040b336 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -32,6 +32,7 @@
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
@@ -108,6 +109,50 @@ static struct platform_device net2272_bfin_device = {
};
#endif
+static struct mtd_partition stamp_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x20000,
+ .offset = 0,
+ }, {
+ .name = "Kernel",
+ .size = 0xE0000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "RootFS",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+static struct physmap_flash_data stamp_flash_data = {
+ .width = 2,
+ .parts = stamp_partitions,
+ .nr_parts = ARRAY_SIZE(stamp_partitions),
+};
+
+static struct resource stamp_flash_resource[] = {
+ {
+ .name = "cfi_probe",
+ .start = 0x20000000,
+ .end = 0x203fffff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = CONFIG_ENET_FLASH_PIN,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device stamp_flash_device = {
+ .name = "BF5xx-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &stamp_flash_data,
+ },
+ .num_resources = ARRAY_SIZE(stamp_flash_resource),
+ .resource = stamp_flash_resource,
+};
+
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */
@@ -373,6 +418,49 @@ static struct platform_device bfin_pata_device = {
};
#endif
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+static struct gpio_keys_button bfin_gpio_keys_table[] = {
+ {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
+ {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
+ {BTN_2, GPIO_PF8, 1, "gpio-keys: BTN2"},
+};
+
+static struct gpio_keys_platform_data bfin_gpio_keys_data = {
+ .buttons = bfin_gpio_keys_table,
+ .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
+};
+
+static struct platform_device bfin_device_gpiokeys = {
+ .name = "gpio-keys",
+ .dev = {
+ .platform_data = &bfin_gpio_keys_data,
+ },
+};
+#endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#include <linux/i2c-gpio.h>
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+ .sda_pin = 2,
+ .scl_pin = 3,
+ .sda_is_open_drain = 0,
+ .scl_is_open_drain = 0,
+ .udelay = 40,
+};
+
+static struct platform_device i2c_gpio_device = {
+ .name = "i2c-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &i2c_gpio_data,
+ },
+};
+#endif
+
static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
@@ -406,6 +494,15 @@ static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
&bfin_pata_device,
#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+ &bfin_device_gpiokeys,
+#endif
+
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+ &i2c_gpio_device,
+#endif
+ &stamp_flash_device,
};
static int __init stamp_init(void)
@@ -418,12 +515,10 @@ static int __init stamp_init(void)
return ret;
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
-# if defined(CONFIG_BFIN_SHARED_FLASH_ENET)
/* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
SSYNC();
-# endif
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
@@ -440,10 +535,8 @@ arch_initcall(stamp_init);
void native_machine_restart(char *cmd)
{
-#if defined(CONFIG_BFIN_SHARED_FLASH_ENET)
-# define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
+#define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
bfin_write_FIO_INEN(~BIT_TO_SET);
bfin_write_FIO_DIR(BIT_TO_SET);
bfin_write_FIO_FLAG_C(BIT_TO_SET);
-#endif
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.