FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-28 20:37:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/mach-omap2/gpmc-nand.c
View File

@ -92,17 +92,18 @@ static int omap2_nand_gpmc_retime(
static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
{
/* 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");
return 0;
}
/*
* For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1.
* Other chips may be added if confirmed to work.
* For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1
* and AM33xx derivates. Other chips may be added if confirmed to work.
*/
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");
return 0;
}