From: Wolfgang Grandegger wg@grandegger.com
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 wg@grandegger.com Acked-by: Anton Vorontsov avorontsov@ru.mvista.com --- 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); }