The issue addressed by this workaround is fixed in ES1.1.
Signed-off-by: Mans Rullgard <mans.rullg...@linaro.org>
---
arch/arm/mach-omap2/omap4-common.c | 12 ++----------
1 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-omap2/omap4-common.c
b/arch/arm/mach-omap2/omap4-common.c
index 5df70fb..e0120d5 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -190,25 +190,17 @@ static int __init omap_l2_cache_init(void)
omap_smc1(0x113, por_ctrl);
}
- if (cpu_is_omap446x()) {
- writel_relaxed(0xa5a5, l2cache_base + 0x900);
- writel_relaxed(0xa5a5, l2cache_base + 0x908);
- writel_relaxed(0xa5a5, l2cache_base + 0x904);
- writel_relaxed(0xa5a5, l2cache_base + 0x90C);
- }
-
/*
- * FIXME: Temporary WA for OMAP4460 stability issue.
+ * Workaround for OMAP4460 ES1.0 stability issue.
* Lock-down specific L2 cache ways which makes effective
* L2 size as 512 KB instead of 1 MB
*/
- if (cpu_is_omap446x()) {
+ if (omap_rev() == OMAP4460_REV_ES1_0) {
lockdown = 0xa5a5;
writel_relaxed(lockdown, l2cache_base + L2X0_LOCKDOWN_WAY_D0);
writel_relaxed(lockdown, l2cache_base + L2X0_LOCKDOWN_WAY_D1);
writel_relaxed(lockdown, l2cache_base + L2X0_LOCKDOWN_WAY_I0);
writel_relaxed(lockdown, l2cache_base + L2X0_LOCKDOWN_WAY_I1);
- goto skip_aux_por_api;
}
skip_aux_por_api:
--
1.7.7.4
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