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ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs

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The am33xx is capable of handling bch error correction modes, so
enable that feature in the driver.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Daniel Mack 2012-12-14 11:36:43 +01:00 committed by Tony Lindgren
parent 504f3c6d73
commit f50a038089
1 changed files with 5 additions and 4 deletions
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9
arch/arm/mach-omap2/gpmc-nand.c
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@ -92,17 +92,18 @@ static int omap2_nand_gpmc_retime(
static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt) static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
{ {
/* support only OMAP3 class */ /* support only OMAP3 class */
if (!cpu_is_omap34xx()) { if (!cpu_is_omap34xx() && !soc_is_am33xx()) {
pr_err("BCH ecc is not supported on this CPU\n"); pr_err("BCH ecc is not supported on this CPU\n");
return 0; return 0;
} }
/* /*
* For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1. * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1
* Other chips may be added if confirmed to work. * and AM33xx derivates. Other chips may be added if confirmed to work.
*/ */
if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) && if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) &&
(!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0))) { (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)) &&
(!soc_is_am33xx())) {
pr_err("BCH 4-bit mode is not supported on this CPU\n"); pr_err("BCH 4-bit mode is not supported on this CPU\n");
return 0; return 0;
} }