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

* 'master' of git://git.denx.de/u-boot-nios:
  nios2: Offer ft_board_setup() capability and call fdt_fixup_ethernet().
  board/nios2-generic: Use altera_pio driver and remove board specific driver
  gpio: Add driver for Altera's PIO core
  nios2: Pseudo implement dcache_status/enable/disable()

4 files changed, 9 insertions, 72 deletions

diff --git a/board/altera/nios2-generic/Makefile b/board/altera/nios2-generic/Makefile
index 359f590..59fd465 100644
--- a/board/altera/nios2-generic/Makefile
+++ b/board/altera/nios2-generic/Makefile
@@ -32,7 +32,6 @@ LIB	= $(obj)lib$(BOARD).o
 COBJS-y	:= $(BOARD).o
 COBJS-$(CONFIG_CMD_IDE) += ../common/cfide.o
 COBJS-$(CONFIG_EPLED) += ../common/epled.o
-COBJS-$(CONFIG_GPIO) += gpio.o
 COBJS-$(CONFIG_SEVENSEG) += ../common/sevenseg.o
 
 SOBJS-y	:= text_base.o
diff --git a/board/altera/nios2-generic/custom_fpga.h b/board/altera/nios2-generic/custom_fpga.h
index f7f3853..fd3ec9a 100644
--- a/board/altera/nios2-generic/custom_fpga.h
+++ b/board/altera/nios2-generic/custom_fpga.h
@@ -51,6 +51,7 @@
 /* led_pio.s1 is a altera_avalon_pio */
 #define LED_PIO_BASE 0x82120870
 #define LED_PIO_WIDTH 8
+#define LED_PIO_RSTVAL 0x0
 
 /* high_res_timer.s1 is a altera_avalon_timer */
 #define CONFIG_SYS_TIMER_BASE 0x82120820
diff --git a/board/altera/nios2-generic/gpio.c b/board/altera/nios2-generic/gpio.c
deleted file mode 100644
index 4a30564..0000000
--- a/board/altera/nios2-generic/gpio.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * board gpio driver
- *
- * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
- * Licensed under the GPL-2 or later.
- */
-#include <common.h>
-#include <asm/io.h>
-
-#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;
-static u32 pio_dir_reg;
-
-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;
-	writel(pio_dir_reg &= ~mask, ALTERA_PIO_DIR);
-	return 0;
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
-	u32 mask = 1 << gpio;
-	if (value)
-		pio_data_reg |= mask;
-	else
-		pio_data_reg &= ~mask;
-	writel(pio_data_reg, ALTERA_PIO_DATA);
-	writel(pio_dir_reg |= mask, ALTERA_PIO_DIR);
-	return 0;
-}
-
-int gpio_get_value(unsigned gpio)
-{
-	u32 mask = 1 << gpio;
-	if (pio_dir_reg & mask)
-		return (pio_data_reg & mask) ? 1 : 0;
-	else
-		return (readl(ALTERA_PIO_DATA) & mask) ? 1 : 0;
-}
-
-void gpio_set_value(unsigned gpio, int value)
-{
-	u32 mask = 1 << gpio;
-	if (value)
-		pio_data_reg |= mask;
-	else
-		pio_data_reg &= ~mask;
-	writel(pio_data_reg, ALTERA_PIO_DATA);
-}
-
-int gpio_is_valid(int number)
-{
-	return ((unsigned)number) < ALTERA_PIO_WIDTH;
-}
-#endif
diff --git a/board/altera/nios2-generic/nios2-generic.c b/board/altera/nios2-generic/nios2-generic.c
index 49ef80d..0f88275 100644
--- a/board/altera/nios2-generic/nios2-generic.c
+++ b/board/altera/nios2-generic/nios2-generic.c
@@ -26,6 +26,7 @@
 #include <netdev.h>
 #include <mtd/cfi_flash.h>
 #include <asm/io.h>
+#include <asm/gpio.h>
 
 void text_base_hook(void); /* nop hook for text_base.S */
 
@@ -43,6 +44,13 @@ void early_flash_cmd_reset(void)
 int board_early_init_f(void)
 {
 	text_base_hook();
+#ifdef CONFIG_ALTERA_PIO
+#ifdef LED_PIO_BASE
+	altera_pio_init(LED_PIO_BASE, LED_PIO_WIDTH, 'o',
+			LED_PIO_RSTVAL, (1 << LED_PIO_WIDTH) - 1,
+			"led");
+#endif
+#endif
 #if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
 	early_flash_cmd_reset();
 #endif