]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/prodrive/alpr/nand.c
rename CFG_ macros to CONFIG_SYS
[karo-tx-uboot.git] / board / prodrive / alpr / nand.c
index d66b08847a59b8e0d912c0307f47962227d37d72..b18c96b297746fc0d053861b09bbe20fef1c8dad 100644 (file)
@@ -26,7 +26,7 @@
 
 #include <common.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if defined(CONFIG_CMD_NAND)
 
 #include <asm/processor.h>
 #include <nand.h>
@@ -56,43 +56,24 @@ static struct alpr_ndfc_regs *alpr_ndfc = NULL;
  *
  * There are 2 NAND devices on the board, a Hynix HY27US08561A (1 GByte).
  */
-static void alpr_nand_hwcontrol(struct mtd_info *mtd, int cmd)
+static void alpr_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-       switch (cmd) {
-       case NAND_CTL_SETCLE:
-               hwctl |= 0x1;
-               break;
-       case NAND_CTL_CLRCLE:
-               hwctl &= ~0x1;
-               break;
-       case NAND_CTL_SETALE:
-               hwctl |= 0x2;
-               break;
-       case NAND_CTL_CLRALE:
-               hwctl &= ~0x2;
-               break;
-       case NAND_CTL_SETNCE:
-               break;
-       case NAND_CTL_CLRNCE:
-               writeb(0x00, &(alpr_ndfc->term));
-               break;
-       }
-}
-
-static void alpr_nand_write_byte(struct mtd_info *mtd, u_char byte)
-{
-       struct nand_chip *nand = mtd->priv;
+       struct nand_chip *this = mtd->priv;
 
-       if (hwctl & 0x1)
-               /*
-                * IO_ADDR_W used as CMD[i] reg to support multiple NAND
-                * chips.
-                */
-               writeb(byte, nand->IO_ADDR_W);
-       else if (hwctl & 0x2) {
-               writeb(byte, &(alpr_ndfc->addr_wait));
-       } else
-               writeb(byte, &(alpr_ndfc->data));
+       if (ctrl & NAND_CTRL_CHANGE) {
+               if ( ctrl & NAND_CLE )
+                       hwctl |= 0x1;
+               else
+                       hwctl &= ~0x1;
+               if ( ctrl & NAND_ALE )
+                       hwctl |= 0x2;
+               else
+                       hwctl &= ~0x2;
+               if ( (ctrl & NAND_NCE) != NAND_NCE)
+                       writeb(0x00, &(alpr_ndfc->term));
+       }
+       if (cmd != NAND_CMD_NONE)
+               writeb(cmd, this->IO_ADDR_W);
 }
 
 static u_char alpr_nand_read_byte(struct mtd_info *mtd)
@@ -156,14 +137,12 @@ static int alpr_nand_dev_ready(struct mtd_info *mtd)
 
 int board_nand_init(struct nand_chip *nand)
 {
-       alpr_ndfc = (struct alpr_ndfc_regs *)CFG_NAND_BASE;
+       alpr_ndfc = (struct alpr_ndfc_regs *)CONFIG_SYS_NAND_BASE;
 
-       nand->eccmode = NAND_ECC_SOFT;
+       nand->ecc.mode = NAND_ECC_SOFT;
 
        /* Reference hardware control function */
-       nand->hwcontrol  = alpr_nand_hwcontrol;
-       /* Set command delay time */
-       nand->write_byte = alpr_nand_write_byte;
+       nand->cmd_ctrl  = alpr_nand_hwcontrol;
        nand->read_byte  = alpr_nand_read_byte;
        nand->write_buf  = alpr_nand_write_buf;
        nand->read_buf   = alpr_nand_read_buf;