[U-Boot] [POWERPC] TQM8272: Fix compiling error for the TQM8272 board.

Heiko Schocher hs at denx.de
Thu Aug 28 05:35:48 CEST 2008


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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