hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Santosh Shilimkar 2011-02-22 10:00:44 +01:00 committed by Russell King
parent 2839e06c95
commit 4bdb157749
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-omap2/Kconfig
View File

@ -45,6 +45,7 @@ config ARCH_OMAP4
select CPU_V7 select CPU_V7
select ARM_GIC select ARM_GIC
select PL310_ERRATA_588369 select PL310_ERRATA_588369
select PL310_ERRATA_727915
select ARM_ERRATA_720789 select ARM_ERRATA_720789
select ARCH_HAS_OPP select ARCH_HAS_OPP
select PM_OPP if PM select PM_OPP if PM

7
arch/arm/mach-omap2/omap4-common.c
View File

@ -52,6 +52,12 @@ static void omap4_l2x0_disable(void)
omap_smc1(0x102, 0x0); 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) static int __init omap_l2_cache_init(void)
{ {
u32 aux_ctrl = 0; u32 aux_ctrl = 0;
@ -99,6 +105,7 @@ static int __init omap_l2_cache_init(void)
* specific one * specific one
*/ */
outer_cache.disable = omap4_l2x0_disable; outer_cache.disable = omap4_l2x0_disable;
outer_cache.set_debug = omap4_l2x0_set_debug;
return 0; return 0;
} }