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-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c103
1 files changed, 98 insertions, 5 deletions
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 @@
32#include <linux/platform_device.h> 32#include <linux/platform_device.h>
33#include <linux/mtd/mtd.h> 33#include <linux/mtd/mtd.h>
34#include <linux/mtd/partitions.h> 34#include <linux/mtd/partitions.h>
35#include <linux/mtd/physmap.h>
35#include <linux/spi/spi.h> 36#include <linux/spi/spi.h>
36#include <linux/spi/flash.h> 37#include <linux/spi/flash.h>
37#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) 38#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
@@ -108,6 +109,50 @@ static struct platform_device net2272_bfin_device = {
108}; 109};
109#endif 110#endif
110 111
112static struct mtd_partition stamp_partitions[] = {
113 {
114 .name = "Bootloader",
115 .size = 0x20000,
116 .offset = 0,
117 }, {
118 .name = "Kernel",
119 .size = 0xE0000,
120 .offset = MTDPART_OFS_APPEND,
121 }, {
122 .name = "RootFS",
123 .size = MTDPART_SIZ_FULL,
124 .offset = MTDPART_OFS_APPEND,
125 }
126};
127
128static struct physmap_flash_data stamp_flash_data = {
129 .width = 2,
130 .parts = stamp_partitions,
131 .nr_parts = ARRAY_SIZE(stamp_partitions),
132};
133
134static struct resource stamp_flash_resource[] = {
135 {
136 .name = "cfi_probe",
137 .start = 0x20000000,
138 .end = 0x203fffff,
139 .flags = IORESOURCE_MEM,
140 }, {
141 .start = CONFIG_ENET_FLASH_PIN,
142 .flags = IORESOURCE_IRQ,
143 }
144};
145
146static struct platform_device stamp_flash_device = {
147 .name = "BF5xx-Flash",
148 .id = 0,
149 .dev = {
150 .platform_data = &stamp_flash_data,
151 },
152 .num_resources = ARRAY_SIZE(stamp_flash_resource),
153 .resource = stamp_flash_resource,
154};
155
111#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) 156#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
112/* all SPI peripherals info goes here */ 157/* all SPI peripherals info goes here */
113 158
@@ -373,6 +418,49 @@ static struct platform_device bfin_pata_device = {
373}; 418};
374#endif 419#endif
375 420
421#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
422#include <linux/input.h>
423#include <linux/gpio_keys.h>
424
425static struct gpio_keys_button bfin_gpio_keys_table[] = {
426 {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
427 {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
428 {BTN_2, GPIO_PF8, 1, "gpio-keys: BTN2"},
429};
430
431static struct gpio_keys_platform_data bfin_gpio_keys_data = {
432 .buttons = bfin_gpio_keys_table,
433 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
434};
435
436static struct platform_device bfin_device_gpiokeys = {
437 .name = "gpio-keys",
438 .dev = {
439 .platform_data = &bfin_gpio_keys_data,
440 },
441};
442#endif
443
444#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
445#include <linux/i2c-gpio.h>
446
447static struct i2c_gpio_platform_data i2c_gpio_data = {
448 .sda_pin = 2,
449 .scl_pin = 3,
450 .sda_is_open_drain = 0,
451 .scl_is_open_drain = 0,
452 .udelay = 40,
453};
454
455static struct platform_device i2c_gpio_device = {
456 .name = "i2c-gpio",
457 .id = 0,
458 .dev = {
459 .platform_data = &i2c_gpio_data,
460 },
461};
462#endif
463
376static struct platform_device *stamp_devices[] __initdata = { 464static struct platform_device *stamp_devices[] __initdata = {
377#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) 465#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
378 &rtc_device, 466 &rtc_device,
@@ -406,6 +494,15 @@ static struct platform_device *stamp_devices[] __initdata = {
406#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) 494#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
407 &bfin_pata_device, 495 &bfin_pata_device,
408#endif 496#endif
497
498#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
499 &bfin_device_gpiokeys,
500#endif
501
502#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
503 &i2c_gpio_device,
504#endif
505 &stamp_flash_device,
409}; 506};
410 507
411static int __init stamp_init(void) 508static int __init stamp_init(void)
@@ -418,12 +515,10 @@ static int __init stamp_init(void)
418 return ret; 515 return ret;
419 516
420#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) 517#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
421# if defined(CONFIG_BFIN_SHARED_FLASH_ENET)
422 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */ 518 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
423 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN)); 519 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
424 bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN); 520 bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
425 SSYNC(); 521 SSYNC();
426# endif
427#endif 522#endif
428 523
429#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) 524#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
@@ -440,10 +535,8 @@ arch_initcall(stamp_init);
440 535
441void native_machine_restart(char *cmd) 536void native_machine_restart(char *cmd)
442{ 537{
443#if defined(CONFIG_BFIN_SHARED_FLASH_ENET) 538#define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
444# define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
445 bfin_write_FIO_INEN(~BIT_TO_SET); 539 bfin_write_FIO_INEN(~BIT_TO_SET);
446 bfin_write_FIO_DIR(BIT_TO_SET); 540 bfin_write_FIO_DIR(BIT_TO_SET);
447 bfin_write_FIO_FLAG_C(BIT_TO_SET); 541 bfin_write_FIO_FLAG_C(BIT_TO_SET);
448#endif
449} 542}