Fix build error: undefined reference to 'nand_read_buf'

diff --git a/drivers/mtd/nand/am33xx_nand.c b/drivers/mtd/nand/am33xx_nand.c
index 14602ee26380fabc8415f87135bdbdbe2de3b347..8c5545b7ac169178691c4b485c83fbd176601227 100644 (file)
--- a/drivers/mtd/nand/am33xx_nand.c
+++ b/drivers/mtd/nand/am33xx_nand.c
@@ -814,6 +814,31 @@ static int am33xx_spl_dev_ready(struct mtd_info *mtd)
 }
 #endif
 
+#ifdef CONFIG_SPL_BUILD
+/*
+ * usually implemented in nand_base.c which is not compiled in SPL_BUILD
+ */
+void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+       int i;
+       struct nand_chip *chip = mtd->priv;
+
+       for (i = 0; i < len; i++)
+               buf[i] = readb(chip->IO_ADDR_R);
+}
+
+void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+       int i;
+       struct nand_chip *chip = mtd->priv;
+       u16 *p = (u16 *) buf;
+       len >>= 1;
+
+       for (i = 0; i < len; i++)
+               p[i] = readw(chip->IO_ADDR_R);
+}
+#endif
+
 /*
  * Board-specific NAND initialization. The following members of the
  * argument are board-specific: