sunxi/nand: Add support to the SPL for loading u-boot from internal NAND memory

[platform/kernel/u-boot.git] / board / sunxi / board.c

diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index ed60e74..f27967b 100644 (file)
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -22,6 +22,9 @@
 #ifdef CONFIG_AXP221_POWER
 #include <axp221.h>
 #endif
+#ifdef CONFIG_NAND_SUNXI
+#include <nand.h>
+#endif
 #include <asm/arch/clock.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/display.h>
@@ -315,6 +318,21 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
+#ifdef CONFIG_NAND
+void board_nand_init(void)
+{
+       unsigned int pin;
+       static u8 ports[] = CONFIG_NAND_SUNXI_GPC_PORTS;
+
+       /* Configure AHB muxes to connect output pins with NAND controller */
+       for (pin = 0; pin < 16; pin++)
+               sunxi_gpio_set_cfgpin(SUNXI_GPC(pin), SUNXI_GPC_NAND);
+
+       for (pin = 0; pin < ARRAY_SIZE(ports); pin++)
+               sunxi_gpio_set_cfgpin(SUNXI_GPC(ports[pin]), SUNXI_GPC_NAND);
+}
+#endif
+
 void i2c_init_board(void)
 {
 #ifdef CONFIG_I2C0_ENABLE