Merge branch 'next' of git://git.denx.de/u-boot-nios

arch/nios2/include/asm/gpio.h

@@ -26,6 +26,11 @@ static inline int gpio_request(unsigned gpio, const char *label)
 	return 0;
 }
 
+static inline int gpio_free(unsigned gpio)
+{
+	return 0;
+}
+
 static inline int gpio_direction_input(unsigned gpio)
 {
 	writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
@@ -47,12 +52,19 @@ static inline void gpio_set_value(unsigned gpio, int value)
 {
 	writel(value ? 3 : 2, CONFIG_SYS_GPIO_BASE + (gpio << 2));
 }
+
+static inline int gpio_is_valid(int number)
+{
+	return ((unsigned)number) < CONFIG_SYS_GPIO_WIDTH;
+}
 #else
 extern int gpio_request(unsigned gpio, const char *label);
+extern int gpio_free(unsigned gpio);
 extern int gpio_direction_input(unsigned gpio);
 extern int gpio_direction_output(unsigned gpio, int value);
 extern int gpio_get_value(unsigned gpio);
 extern void gpio_set_value(unsigned gpio, int value);
+extern int gpio_is_valid(int number);
 #endif /* CONFIG_SYS_GPIO_BASE */
 
 #endif /* _ASM_NIOS2_GPIO_H_ */

arch/nios2/include/asm/posix_types.h

@@ -17,7 +17,7 @@ typedef unsigned short	__kernel_ipc_pid_t;
 typedef unsigned short	__kernel_uid_t;
 typedef unsigned short	__kernel_gid_t;
 typedef unsigned long	__kernel_size_t;
-typedef int		__kernel_ssize_t;
+typedef long		__kernel_ssize_t;
 typedef int		__kernel_ptrdiff_t;
 typedef long		__kernel_time_t;
 typedef long		__kernel_suseconds_t;

board/altera/nios2-generic/custom_fpga.h

@@ -50,6 +50,7 @@
 
 /* led_pio.s1 is a altera_avalon_pio */
 #define LED_PIO_BASE 0x82120870
+#define LED_PIO_WIDTH 8
 
 /* high_res_timer.s1 is a altera_avalon_timer */
 #define CONFIG_SYS_TIMER_BASE 0x82120820

board/altera/nios2-generic/gpio.c

@@ -10,6 +10,7 @@
 #ifndef CONFIG_SYS_GPIO_BASE
 
 #define ALTERA_PIO_BASE LED_PIO_BASE
+#define ALTERA_PIO_WIDTH LED_PIO_WIDTH
 #define ALTERA_PIO_DATA (ALTERA_PIO_BASE + 0)
 #define ALTERA_PIO_DIR (ALTERA_PIO_BASE + 4)
 static u32 pio_data_reg;
@@ -20,6 +21,11 @@ int gpio_request(unsigned gpio, const char *label)
 	return 0;
 }
 
+int gpio_free(unsigned gpio)
+{
+	return 0;
+}
+
 int gpio_direction_input(unsigned gpio)
 {
 	u32 mask = 1 << gpio;
@@ -57,4 +63,9 @@ void gpio_set_value(unsigned gpio, int value)
 		pio_data_reg &= ~mask;
 	writel(pio_data_reg, ALTERA_PIO_DATA);
 }
+
+int gpio_is_valid(int number)
+{
+	return ((unsigned)number) < ALTERA_PIO_WIDTH;
+}
 #endif

drivers/spi/altera_spi.c

@@ -70,6 +70,11 @@ void spi_init(void)
 {
 }
 
+void spi_set_speed(struct spi_slave *slave, uint hz)
+{
+	/* altera spi core does not support programmable speed */
+}
+
 struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 				  unsigned int max_hz, unsigned int mode)
 {