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Commit 4bdb1577 authored by Santosh Shilimkar's avatar Santosh Shilimkar Committed by Russell King
Browse files

ARM: 6755/1: omap4: l2x0: Populate set_debug() function and enable Errata 727915 



Populate the l2x0 set_debug function pointer with OMAP secure call
and enable the PL310 Errata 727915

This patch has dependency on the earlier patch
ARM: l2x0: Errata fix for flush by Way operation can cause data
corruption

Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 2839e06c

arch/arm/mach-omap2/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ config ARCH_OMAP4 
	select CPU_V7

	select ARM_GIC

	select PL310_ERRATA_588369

	select PL310_ERRATA_727915

	select ARM_ERRATA_720789

	select ARCH_HAS_OPP

	select PM_OPP if PM

arch/arm/mach-omap2/omap4-common.c

+7 −0
Original line number Diff line number Diff line
@@ -52,6 +52,12 @@ static void omap4_l2x0_disable(void) 
	omap_smc1(0x102, 0x0);

}



static void omap4_l2x0_set_debug(unsigned long val)

{

	/* Program PL310 L2 Cache controller debug register */

	omap_smc1(0x100, val);

}



static int __init omap_l2_cache_init(void)

{

	u32 aux_ctrl = 0;
@@ -99,6 +105,7 @@ static int __init omap_l2_cache_init(void) 
	 * specific one

	*/

	outer_cache.disable = omap4_l2x0_disable;

	outer_cache.set_debug = omap4_l2x0_set_debug;



	return 0;

}