diff options
| -rw-r--r-- | arch/avr32/boards/atngw100/setup.c | 18 | ||||
| -rw-r--r-- | arch/avr32/boards/atstk1000/Kconfig | 26 | ||||
| -rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 62 | ||||
| -rw-r--r-- | include/asm-avr32/io.h | 2 | ||||
| -rw-r--r-- | include/asm-avr32/pgalloc.h | 30 | ||||
| -rw-r--r-- | include/asm-avr32/pgtable.h | 4 |
6 files changed, 112 insertions, 30 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c index 2edcecdea8b..ef801563bbf 100644 --- a/arch/avr32/boards/atngw100/setup.c +++ b/arch/avr32/boards/atngw100/setup.c @@ -9,6 +9,7 @@ */ #include <linux/clk.h> #include <linux/etherdevice.h> +#include <linux/i2c-gpio.h> #include <linux/init.h> #include <linux/linkage.h> #include <linux/platform_device.h> @@ -123,6 +124,19 @@ static struct platform_device ngw_gpio_leds = { } }; +static struct i2c_gpio_platform_data i2c_gpio_data = { + .sda_pin = GPIO_PIN_PA(6), + .scl_pin = GPIO_PIN_PA(7), +}; + +static struct platform_device i2c_gpio_device = { + .name = "i2c-gpio", + .id = 0, + .dev = { + .platform_data = &i2c_gpio_data, + }, +}; + static int __init atngw100_init(void) { unsigned i; @@ -147,6 +161,10 @@ static int __init atngw100_init(void) } platform_device_register(&ngw_gpio_leds); + at32_select_gpio(i2c_gpio_data.sda_pin, 0); + at32_select_gpio(i2c_gpio_data.scl_pin, 0); + platform_device_register(&i2c_gpio_device); + return 0; } postcore_initcall(atngw100_init); diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig index 71bc7d364fb..718578f6406 100644 --- a/arch/avr32/boards/atstk1000/Kconfig +++ b/arch/avr32/boards/atstk1000/Kconfig @@ -50,4 +50,30 @@ config BOARD_ATSTK1002_SPI1 GPIO lines and accessed through the J1 jumper block. Say "y" here to configure that SPI controller. +config BOARD_ATSTK1002_J2_LED + bool + default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB + +choice + prompt "LEDs connected to J2:" + depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM + optional + help + Select this if you have jumpered the J2 jumper block to the + LED0..LED7 amber leds, or to the RGB leds, using a ten-pin + IDC cable. A default "heartbeat" trigger is provided, but + you can of course override this. + +config BOARD_ATSTK1002_J2_LED8 + bool "LED0..LED7" + help + Select this if J2 is jumpered to LED0..LED7 amber leds. + +config BOARD_ATSTK1002_J2_RGB + bool "RGB leds" + help + Select this if J2 is jumpered to the RGB leds. + +endchoice + endif # stk 1002 diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index cb93eabb9c6..c9981b731ef 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -11,6 +11,7 @@ #include <linux/etherdevice.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/leds.h> #include <linux/platform_device.h> #include <linux/string.h> #include <linux/types.h> @@ -120,6 +121,65 @@ static void __init set_hw_addr(struct platform_device *pdev) clk_put(pclk); } +#ifdef CONFIG_BOARD_ATSTK1002_J2_LED + +static struct gpio_led stk_j2_led[] = { +#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8 +#define LEDSTRING "J2 jumpered to LED8" + { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), }, + { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), }, + { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), }, + { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), }, + { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), }, + { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), }, + { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), }, + { .name = "led7:amber", .gpio = GPIO_PIN_PB(30), + .default_trigger = "heartbeat", }, +#else /* RGB */ +#define LEDSTRING "J2 jumpered to RGB LEDs" + { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), }, + { .name = "g1:green", .gpio = GPIO_PIN_PB(10), }, + { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), }, + + { .name = "r2:red", .gpio = GPIO_PIN_PB( 9), + .default_trigger = "heartbeat", }, + { .name = "g2:green", .gpio = GPIO_PIN_PB(13), }, + { .name = "b2:blue", .gpio = GPIO_PIN_PB(15), + .default_trigger = "heartbeat", }, + /* PB16, PB30 unused */ +#endif +}; + +static struct gpio_led_platform_data stk_j2_led_data = { + .num_leds = ARRAY_SIZE(stk_j2_led), + .leds = stk_j2_led, +}; + +static struct platform_device stk_j2_led_dev = { + .name = "leds-gpio", + .id = 2, /* gpio block J2 */ + .dev = { + .platform_data = &stk_j2_led_data, + }, +}; + +static void setup_j2_leds(void) +{ + unsigned i; + + for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++) + at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT); + + printk("STK1002: " LEDSTRING "\n"); + platform_device_register(&stk_j2_led_dev); +} + +#else +static void setup_j2_leds(void) +{ +} +#endif + void __init setup_board(void) { #ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM @@ -185,6 +245,8 @@ static int __init atstk1002_init(void) at32_add_device_ssc(0, ATMEL_SSC_TX); #endif + setup_j2_leds(); + return 0; } postcore_initcall(atstk1002_init); diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h index e30d4b3bd83..64bb92bb677 100644 --- a/include/asm-avr32/io.h +++ b/include/asm-avr32/io.h @@ -255,6 +255,8 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val, memset((void __force *)addr, val, count); } +#define mmiowb() + #define IO_SPACE_LIMIT 0xffffffff extern void __iomem *__ioremap(unsigned long offset, size_t size, diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h index bb82e70cde8..0e680f47209 100644 --- a/include/asm-avr32/pgalloc.h +++ b/include/asm-avr32/pgalloc.h @@ -27,13 +27,7 @@ static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, */ static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) { - unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); - pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL); - - if (pgd) - memset(pgd, 0, pgd_size); - - return pgd; + return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL); } static inline void pgd_free(pgd_t *pgd) @@ -44,18 +38,9 @@ static inline void pgd_free(pgd_t *pgd) static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - int count = 0; pte_t *pte; - do { - pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT); - if (pte) - clear_page(pte); - else { - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(HZ); - } - } while (!pte && (count++ < 10)); + pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT); return pte; } @@ -63,18 +48,9 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { - int count = 0; struct page *pte; - do { - pte = alloc_pages(GFP_KERNEL, 0); - if (pte) - clear_page(page_address(pte)); - else { - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(HZ); - } - } while (!pte && (count++ < 10)); + pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); return pte; } diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h index c07bdd10b89..018f6e2a024 100644 --- a/include/asm-avr32/pgtable.h +++ b/include/asm-avr32/pgtable.h @@ -32,8 +32,6 @@ #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) #define FIRST_USER_ADDRESS 0 -#define PTE_PHYS_MASK 0x1ffff000 - #ifndef __ASSEMBLY__ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; extern void paging_init(void); @@ -265,7 +263,7 @@ static inline pte_t pte_mkyoung(pte_t pte) * trivial. */ #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) -#define pte_page(x) phys_to_page(pte_val(x) & PTE_PHYS_MASK) +#define pte_page(x) (pfn_to_page(pte_pfn(x))) /* * Mark the prot value as uncacheable and unbufferable |