Commit 585eb6da authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  [AVR32] Define mmiowb()
  [AVR32] Fix bogus pte_page() definition
  [AVR32] Simplify pte_alloc_one{,_kernel}
  include/asm-avr32/pgalloc.h: kmalloc + memset conversion to kcalloc
  [AVR32] Wire up i2c-gpio on the ATNGW100 board
  [AVR32] leds-gpio for stk1000
parents 844d6c48 cca67164
......@@ -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);
......@@ -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
......@@ -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);
......@@ -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,
......
......@@ -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;
}
......
......@@ -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
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment