[PATCH 3/4] ARM: mach-omap2: apply the errata at run time rather
Tony Lindgren
tony at atomide.com
Mon Jan 21 13:22:37 EST 2013
* srinidhi kasagar <srinidhi.kasagar at stericsson.com> [130121 05:19]:
Forgot to complete the subject and add the description?
Regards,
Tony
> Signed-off-by: srinidhi kasagar <srinidhi.kasagar at stericsson.com>
> ---
> arch/arm/mach-omap2/sleep44xx.S | 25 +++++++++++++++++++++----
> 1 files changed, 21 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S
> index 88ff83a..071ca1f 100644
> --- a/arch/arm/mach-omap2/sleep44xx.S
> +++ b/arch/arm/mach-omap2/sleep44xx.S
> @@ -157,11 +157,19 @@ skip_scu_gp_set:
> ldrne r0, [r8, #L2X0_SAVE_OFFSET1] @ memory.
> cmp r0, #3
> bne do_WFI
> -#ifdef CONFIG_PL310_ERRATA_727915
> + /* Check for PL310_ERRATA_727915 */
> + bl l2x0_get_rtl_release
> + cmp r0, #0x4
> + beq dosmc
> + cmp r0, #0x5
> + beq dosmc
> + b nosmc
> +dosmc:
> mov r0, #0x03
> mov r12, #OMAP4_MON_L2X0_DBG_CTRL_INDEX
> DO_SMC
> -#endif
> +
> +nosmc:
> bl omap4_get_l2cache_base
> mov r2, r0
> ldr r0, =0xffff
> @@ -171,11 +179,20 @@ wait:
> ldr r1, =0xffff
> ands r0, r0, r1
> bne wait
> -#ifdef CONFIG_PL310_ERRATA_727915
> +
> + /* Check for PL310_ERRATA_727915 */
> + bl l2x0_get_rtl_release
> + cmp r0, #0x4
> + beq dosmc2
> + cmp r0, #0x5
> + beq dosmc2
> + b nosmc2
> +dosmc2:
> mov r0, #0x00
> mov r12, #OMAP4_MON_L2X0_DBG_CTRL_INDEX
> DO_SMC
> -#endif
> +
> +nosmc2:
> l2x_sync:
> bl omap4_get_l2cache_base
> mov r2, r0
> --
> 1.7.2.dirty
>
> --
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