I am in the middle of NAND debugging on a MPC8544 based system.
In the following code for the mpc8360erdk, why is there
the instruction "out_8(upm->io_addr, 0x0);" in the for loop.
Is that board specific?
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();
}
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