[U-Boot] [PATCH v2 07/12] mtd: nand: add Faraday FTNANDC021 NAND controller support

[Kuo-Jung Su]

2013/4/18 Wolfgang Denk <wd at denx.de>:
> Dear Kuo-Jung Su,
>
> In message <1366277139-29728-8-git-send-email-dantesu at gmail.com> you wrote:
> ...
>> +/* Register access macros */
>> +#define NAND_READ(r)         le32_to_cpu(readl(r))
>> +#define NAND_WRITE(v, r)     writel(cpu_to_le32(v), r)
>> +#define NAND_SETBITS(m, r)   setbits_le32(r, m)
>> +#define NAND_CLRBITS(m, r)   clrbits_le32(r, m)
>
> As before: drop these.
>

Got it, thanks

>> +     /* wait until chip ready */
>> +     while (NAND_READ(&regs->srr) & SRR_CHIP_RESET)
>> +             ;
>
> Please add a timeout (and fix similar locations in the rest of the
> code if there are such).
>

Got it, thanks

>> +     switch (priv->bksz / priv->pgsz) {
>> +     case 16:
>> +             bk = 0;
>> +             break;
>> +     case 32:
>> +             bk = 1;
>> +             break;
>> +     case 64:
>> +             bk = 2;
>> +             break;
>> +     case 128:
>> +             bk = 3;
>> +             break;
>> +     }
>
>         bk = ffs(priv->bksz / priv->pgsz) - 4;
>
> ?
>

Got it, thanks

>> +     switch (priv->adrc) {
>> +     case 3:
>> +             ac = 0;
>> +             break;
>> +     case 4:
>> +             ac = 1;
>> +             break;
>> +     case 5:
>> +             ac = 2;
>> +             break;
>> +     }
>
>         ac = priv->adrc - 3;
>
> ?
>
>

Got it, thanks

> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> "You're just jealous." "What, of an overgrown puppy  with  a  single-
> figure IQ?"                      - Terry Pratchett, _Moving Pictures_



--
Best wishes,
Kuo-Jung Su