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Diffstat (limited to 'arch/blackfin/mach-bf533/boards/blackstamp.c')
-rw-r--r--arch/blackfin/mach-bf533/boards/blackstamp.c257
1 files changed, 186 insertions, 71 deletions
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index 0765872a8ad..0ccf0cf4daa 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -1,16 +1,10 @@
/*
- * File: arch/blackfin/mach-bf533/blackstamp.c
- * Based on: arch/blackfin/mach-bf533/stamp.c
- * Author: Benjamin Matthews <bmat@lle.rochester.edu>
- * Aidan Williams <aidan@nicta.com.au>
+ * Board Info File for the BlackStamp
*
- * Created: 2008
- * Description: Board Info File for the BlackStamp
- *
- * Copyright 2005 National ICT Australia (NICTA)
* Copyright 2004-2008 Analog Devices Inc.
- *
- * Enter bugs at http://blackfin.uclinux.org/
+ * 2008 Benjamin Matthews <bmat@lle.rochester.edu>
+ * 2005 National ICT Australia (NICTA)
+ * Aidan Williams <aidan@nicta.com.au>
*
* More info about the BlackStamp at:
* http://blackfin.uclinux.org/gf/project/blackstamp/
@@ -26,6 +20,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/irq.h>
+#include <linux/gpio.h>
#include <linux/i2c.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
@@ -37,7 +32,7 @@
*/
const char bfin_board_name[] = "BlackStamp";
-#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
static struct platform_device rtc_device = {
.name = "rtc-bfin",
.id = -1,
@@ -47,7 +42,15 @@ static struct platform_device rtc_device = {
/*
* Driver needs to know address, irq and flag pin.
*/
-#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
+#if IS_ENABLED(CONFIG_SMC91X)
+#include <linux/smc91x.h>
+
+static struct smc91x_platdata smc91x_info = {
+ .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+ .leda = RPC_LED_100_10,
+ .ledb = RPC_LED_TX_RX,
+};
+
static struct resource smc91x_resources[] = {
{
.name = "smc91x-regs",
@@ -66,10 +69,13 @@ static struct platform_device smc91x_device = {
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
+ .dev = {
+ .platform_data = &smc91x_info,
+ },
};
#endif
-#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
+#if IS_ENABLED(CONFIG_MTD_M25P80)
static struct mtd_partition bfin_spi_flash_partitions[] = {
{
.name = "bootloader(spi)",
@@ -97,26 +103,17 @@ static struct flash_platform_data bfin_spi_flash_data = {
/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
.enable_dma = 0, /* use dma transfer with this chip*/
- .bits_per_word = 8,
};
#endif
-#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+#if IS_ENABLED(CONFIG_MMC_SPI)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
- .bits_per_word = 8,
-};
-#endif
-
-#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
-static struct bfin5xx_spi_chip spidev_chip_info = {
- .enable_dma = 0,
- .bits_per_word = 8,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
-#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
+#if IS_ENABLED(CONFIG_MTD_M25P80)
{
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
@@ -129,7 +126,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
-#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+#if IS_ENABLED(CONFIG_MMC_SPI)
{
.modalias = "mmc_spi",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
@@ -140,18 +137,17 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
-#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+#if IS_ENABLED(CONFIG_SPI_SPIDEV)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 7,
- .controller_data = &spidev_chip_info,
},
#endif
};
-#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
/* SPI (0) */
static struct resource bfin_spi0_resource[] = {
[0] = {
@@ -162,6 +158,11 @@ static struct resource bfin_spi0_resource[] = {
[1] = {
.start = CH_SPI,
.end = CH_SPI,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = IRQ_SPI,
+ .end = IRQ_SPI,
.flags = IORESOURCE_IRQ,
}
};
@@ -184,24 +185,58 @@ static struct platform_device bfin_spi0_device = {
};
#endif /* spi master and devices */
-#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#if IS_ENABLED(CONFIG_SERIAL_BFIN)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
{
- .start = 0xFFC00400,
- .end = 0xFFC004FF,
+ .start = BFIN_UART_THR,
+ .end = BFIN_UART_GCTL+2,
.flags = IORESOURCE_MEM,
},
+ {
+ .start = IRQ_UART0_TX,
+ .end = IRQ_UART0_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_UART0_RX,
+ .end = IRQ_UART0_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_UART0_ERROR,
+ .end = IRQ_UART0_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = CH_UART0_TX,
+ .end = CH_UART0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = CH_UART0_RX,
+ .end = CH_UART0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static unsigned short bfin_uart0_peripherals[] = {
+ P_UART0_TX, P_UART0_RX, 0
};
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
.name = "bfin-uart",
- .id = 1,
- .num_resources = ARRAY_SIZE(bfin_uart_resources),
- .resource = bfin_uart_resources,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_uart0_resources),
+ .resource = bfin_uart0_resources,
+ .dev = {
+ .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+ },
};
#endif
+#endif
-#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#if IS_ENABLED(CONFIG_BFIN_SIR)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
{
@@ -230,19 +265,78 @@ static struct platform_device bfin_sir0_device = {
#endif
#endif
-#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+ {
+ .start = SPORT0_TCR1,
+ .end = SPORT0_MRCS3+4,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_SPORT0_RX,
+ .end = IRQ_SPORT0_RX+1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_SPORT0_ERROR,
+ .end = IRQ_SPORT0_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static unsigned short bfin_sport0_peripherals[] = {
+ P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+ P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
+};
+
static struct platform_device bfin_sport0_uart_device = {
.name = "bfin-sport-uart",
.id = 0,
+ .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+ .resource = bfin_sport0_uart_resources,
+ .dev = {
+ .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+ },
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+ {
+ .start = SPORT1_TCR1,
+ .end = SPORT1_MRCS3+4,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_SPORT1_RX,
+ .end = IRQ_SPORT1_RX+1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_SPORT1_ERROR,
+ .end = IRQ_SPORT1_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static unsigned short bfin_sport1_peripherals[] = {
+ P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+ P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
};
static struct platform_device bfin_sport1_uart_device = {
.name = "bfin-sport-uart",
.id = 1,
+ .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+ .resource = bfin_sport1_uart_resources,
+ .dev = {
+ .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+ },
};
#endif
+#endif
-#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
#include <linux/input.h>
#include <linux/gpio_keys.h>
@@ -265,25 +359,12 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
-static struct resource bfin_gpios_resources = {
- .start = 0,
- .end = MAX_BLACKFIN_GPIOS - 1,
- .flags = IORESOURCE_IRQ,
-};
-
-static struct platform_device bfin_gpios_device = {
- .name = "simple-gpio",
- .id = -1,
- .num_resources = 1,
- .resource = &bfin_gpios_resources,
-};
-
-#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#if IS_ENABLED(CONFIG_I2C_GPIO)
#include <linux/i2c-gpio.h>
static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = 8,
- .scl_pin = 9,
+ .sda_pin = GPIO_PF8,
+ .scl_pin = GPIO_PF9,
.sda_is_open_drain = 0,
.scl_is_open_drain = 0,
.udelay = 40,
@@ -333,43 +414,47 @@ static struct platform_device *stamp_devices[] __initdata = {
&bfin_dpmc,
-#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
&rtc_device,
#endif
-#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
+#if IS_ENABLED(CONFIG_SMC91X)
&smc91x_device,
#endif
-#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
&bfin_spi0_device,
#endif
-#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
- &bfin_uart_device,
+#if IS_ENABLED(CONFIG_SERIAL_BFIN)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
#endif
-#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#if IS_ENABLED(CONFIG_BFIN_SIR)
#ifdef CONFIG_BFIN_SIR0
&bfin_sir0_device,
#endif
#endif
-#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
&bfin_sport1_uart_device,
#endif
+#endif
-#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
&bfin_device_gpiokeys,
#endif
-#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+#if IS_ENABLED(CONFIG_I2C_GPIO)
&i2c_gpio_device,
#endif
-
- &bfin_gpios_device,
};
static int __init blackstamp_init(void)
@@ -385,11 +470,17 @@ static int __init blackstamp_init(void)
if (ret < 0)
return ret;
-#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
- /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
- bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
- bfin_write_FIO_FLAG_S(PF0);
- SSYNC();
+#if IS_ENABLED(CONFIG_SMC91X)
+ /*
+ * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
+ * the bfin-async-map driver takes care of flipping between
+ * flash and ethernet when necessary.
+ */
+ ret = gpio_request(GPIO_PF0, "enet_cpld");
+ if (!ret) {
+ gpio_direction_output(GPIO_PF0, 1);
+ gpio_free(GPIO_PF0);
+ }
#endif
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
@@ -397,3 +488,27 @@ static int __init blackstamp_init(void)
}
arch_initcall(blackstamp_init);
+
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+ &bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+ &bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+ printk(KERN_INFO "register early platform devices\n");
+ early_platform_add_devices(stamp_early_devices,
+ ARRAY_SIZE(stamp_early_devices));
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 02:48:18 +0000