MPC8360ERDK: adapt NAND interface for the re-written FSL NAND UPM driver
authorWolfgang Grandegger <wg@grandegger.com>
Mon, 2 Jun 2008 13:09:55 +0000 (15:09 +0200)
committerScott Wood <scottwood@freescale.com>
Thu, 12 Jun 2008 16:24:27 +0000 (11:24 -0500)
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
board/freescale/mpc8360erdk/nand.c

index e1e790b34fa660f20ea5263bbc2c614ab0410e78..8b44a0f38c3c4b7d5eedb5406cfe7c016db4b0e1 100644 (file)
@@ -39,6 +39,24 @@ static const u32 upm_array[] = {
        0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 60 to 63 */
 };
 
+static void upm_setup(struct fsl_upm *upm)
+{
+       int i;
+
+       /* write upm array */
+       out_be32(upm->mxmr, MxMR_OP_WARR);
+
+       for (i = 0; i < 64; i++) {
+               out_be32(upm->mdr, upm_array[i]);
+               out_8(upm->io_addr, 0x0);
+       }
+
+       /* normal operation */
+       out_be32(upm->mxmr, MxMR_OP_NORM);
+       while (in_be32(upm->mxmr) != MxMR_OP_NORM)
+               eieio();
+}
+
 static int dev_ready(void)
 {
        if (in_be32(&im->qepio.ioport[4].pdat) & 0x00002000) {
@@ -52,10 +70,9 @@ static int dev_ready(void)
 
 static struct fsl_upm_nand fun = {
        .upm = {
-               .array = upm_array,
                .io_addr = (void *)CFG_NAND_BASE,
        },
-       .width = 1,
+       .width = 8,
        .upm_cmd_offset = 8,
        .upm_addr_offset = 16,
        .dev_ready = dev_ready,
@@ -68,5 +85,8 @@ int board_nand_init(struct nand_chip *nand)
        fun.upm.mxmr = &im->lbus.mamr;
        fun.upm.mdr = &im->lbus.mdr;
        fun.upm.mar = &im->lbus.mar;
+
+       upm_setup(&fun.upm);
+
        return fsl_upm_nand_init(nand, &fun);
 }