Hello Scott,
Scott Wood wrote:
> On Wed, Aug 27, 2008 at 01:08:14PM +0200, Heiko Schocher wrote:
>> static void upmnand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int
>> ctrl)
>> {
>> struct nand_chip *this = mtd->priv;
>> + ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
>> + unsigned char byte = (unsigned char) cmd;
>>
>> if (ctrl & NAND_CTRL_CHANGE) {
>> - if ( ctrl & NAND_CLE )
>> - hwctl |= 0x1;
>> - else
>> - hwctl &= ~0x1;
>> - if ( ctrl & NAND_ALE )
>> - hwctl |= 0x2;
>> - else
>> - hwctl &= ~0x2;
>> + if ( ctrl & NAND_CLE ) {
>> + WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS);
>> + return ;
>> + } else
>> + if ( ctrl & NAND_ALE ) {
>> + WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS);
>> + return ;
>
> You shouldn't be writing any bytes unless cmd != NAND_CMD_NONE.
Ah, okay ...
> As Stefan pointed out, is there any reason you can't use
> drivers/mtd/nand/fsl_upm.c?
Yes, as I wrote to Stefan, I have no longer the Hardware and I fear
such a big change ...
bye
Heiko
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