From: Wolfgang Grandegger <[EMAIL PROTECTED]>
This patch is based on the following patch sent a few minutes ago:
"NAND FSL UPM: driver re-write using the hwcontrol callback"
It is untested, of course. Anton, could you please give it a try.
Signed-off-by: Wolfgang Grandegger <[EMAIL PROTECTED]>
Acked-by: Anton Vorontsov <[EMAIL PROTECTED]>
---
board/freescale/mpc8360erdk/nand.c | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/board/freescale/mpc8360erdk/nand.c
b/board/freescale/mpc8360erdk/nand.c
index e1e790b..8b44a0f 100644
--- a/board/freescale/mpc8360erdk/nand.c
+++ b/board/freescale/mpc8360erdk/nand.c
@@ -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);
}
--
1.5.4.2
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