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Diffstat (limited to 'board/davinci/sonata/sonata.c')
-rw-r--r--board/davinci/sonata/sonata.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/board/davinci/sonata/sonata.c b/board/davinci/sonata/sonata.c
index 7f9d9bb..817970a 100644
--- a/board/davinci/sonata/sonata.c
+++ b/board/davinci/sonata/sonata.c
@@ -25,6 +25,8 @@
*/
#include <common.h>
+#include <nand.h>
+#include <asm/arch/nand_defs.h>
#include <asm/arch/hardware.h>
#include "../common/misc.h"
@@ -72,3 +74,29 @@ int misc_init_r(void)
return(0);
}
+
+#ifdef CONFIG_NAND_DAVINCI
+
+/* Set WP on deselect, write enable on select */
+static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
+{
+#define GPIO_SET_DATA01 0x01c67018
+#define GPIO_CLR_DATA01 0x01c6701c
+#define GPIO_NAND_WP (1 << 4)
+#ifdef SONATA_BOARD_GPIOWP
+ if (chip < 0) {
+ REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
+ } else {
+ REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
+ }
+#endif
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ davinci_nand_init(nand);
+ nand->select_chip = nand_sonata_select_chip;
+ return 0;
+}
+
+#endif /* CONFIG_NAND_DAVINCI */