summaryrefslogtreecommitdiffstats
path: root/recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch
diff options
context:
space:
mode:
authorDenys Dmytriyenko <denys@ti.com>2012-06-11 20:44:56 -0400
committerDenys Dmytriyenko <denys@ti.com>2012-06-11 20:44:56 -0400
commit88867c1d96684925027a0ecc9e25c6ea70040cc6 (patch)
treee1ad8651aa7663850f6dc1108b278f56a2b92a91 /recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch
parenta1e2573369c6714956af561523ba274aa9c185f7 (diff)
downloadmeta-ti-split.tar.gz
extras: move things to extrassplit
Move non-essential, outdated, best-effort pieces, as well, as those requiring extra non-standard dependencies besides oe-core. Signed-off-by: Denys Dmytriyenko <denys@ti.com>
Diffstat (limited to 'recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch')
-rw-r--r--recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch48
1 files changed, 0 insertions, 48 deletions
diff --git a/recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch b/recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch
deleted file mode 100644
index f72c477f..00000000
--- a/recipes-kernel/linux/linux-omap-psp-2.6.32/0039-ARM-Add-option-to-allow-userspace-PLE-access.patch
+++ /dev/null
@@ -1,48 +0,0 @@
1From 2f716593e3f11859bf98c997183c47587c2dba76 Mon Sep 17 00:00:00 2001
2From: Mans Rullgard <mans@mansr.com>
3Date: Tue, 10 Nov 2009 00:41:54 +0000
4Subject: [PATCH 39/45] ARM: Add option to allow userspace PLE access
5
6This adds a Kconfig option to allow userspace to access the L2 preload
7engine (PLE) found in Cortex-A8.
8
9Signed-off-by: Mans Rullgard <mans@mansr.com>
10---
11 arch/arm/kernel/head.S | 4 ++++
12 arch/arm/mm/Kconfig | 8 ++++++++
13 2 files changed, 12 insertions(+), 0 deletions(-)
14
15diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
16index eb62bf9..659ec9e 100644
17--- a/arch/arm/kernel/head.S
18+++ b/arch/arm/kernel/head.S
19@@ -172,6 +172,10 @@ __enable_mmu:
20 #ifdef CONFIG_CPU_ICACHE_DISABLE
21 bic r0, r0, #CR_I
22 #endif
23+#ifdef CONFIG_USER_L2_PLE
24+ mov r5, #3
25+ mcr p15, 0, r5, c11, c1, 0
26+#endif
27 mov r5, #(domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \
28 domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \
29 domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \
30diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
31index dd4698c..564ff7d 100644
32--- a/arch/arm/mm/Kconfig
33+++ b/arch/arm/mm/Kconfig
34@@ -785,3 +785,11 @@ config ARM_L1_CACHE_SHIFT
35 int
36 default 6 if ARCH_OMAP3 || ARCH_S5PC1XX
37 default 5
38+
39+config USER_L2_PLE
40+ bool "Enable userspace access to the L2 PLE"
41+ depends on CPU_V7
42+ default n
43+ help
44+ Enable userspace access to the L2 preload engine (PLE) available
45+ in Cortex-A series ARM processors.
46--
471.6.6.1
48