Hi all,
I've changed upm table for some tests with my NAND flash.
In the normal table we have:
Offset Transaction
------ -----------
0 read data
8 write command
16 write address
24 write data
...
But now this offsets changed, write command and write address I can
change throught this struct:
static struct fsl_upm_nand fun = {
.upm = {
.array = upm_array,
.io_addr = (void *)CFG_NAND_BASE,
},
.width = 1,
.upm_cmd_offset = 8, /// change
here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
.upm_addr_offset = 16, /// change
here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
.dev_ready = dev_ready,
.wait_pattern = 1,
.chip_delay = 50,
};
But read data and write data I didnt found where it is seted, if is.
So when I use functions like in_8() or out_8(), u-boot knows that an
out_8(), for example, should start at offset 24 (write data) in upm.
My question is: how u-boot knows it? Can I change this?
Cheers,
--
Alemao
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