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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2011-02-22 10:00:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-03-09 00:18:47 +0000
commit4bdb157749a0da065e532f2f46040c178075b06f (patch)
treeed7762765864d1433bc53f57570c05ac5c4ac4a4 /arch/arm
parent2839e06c95d12ada034cf9b63da60334c7c6358b (diff)
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: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/Kconfig1
-rw-r--r--arch/arm/mach-omap2/omap4-common.c7
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 1a2cf6226a5..b69fa0a0299 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -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
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 19268647ce3..9ef8c29dd81 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -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;
}