Openwrt/target/linux/layerscape/patches-4.4/3010-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch
Yutang Jiang c6c731fe31 layerscape: add 64b/32b target for ls1043ardb device
Add support for NXP layerscape ls1043ardb 64b/32b Dev board.

LS1043a is an SoC with 4x64-bit up to 1.6 GHz ARMv8 A53 cores.
ls1043ardb support features as: 2GB DDR4, 128MB NOR/512MB NAND, USB3.0, eSDHC,
I2C, GPIO, PCIe/Mini-PCIe, 6x1G/1x10G network port, etc.

64b/32b ls1043ardb target is using 4.4 kernel, and rcw/u-boot/fman images from
NXP QorIQ SDK release.

All of 4.4 kernel patches porting from SDK release or upstream.

QorIQ SDK ISOs can be downloaded from this location:
http://www.nxp.com/products/software-and-tools/run-time-software/linux-sdk/linux-sdk-for-qoriq-processors:SDKLINUX

Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
2016-10-31 17:00:10 +01:00

27 lines
902 B
Diff

From 31a5b5189bdd33bb87f88320964a47c0da983af2 Mon Sep 17 00:00:00 2001
From: Jianhua Xie <jianhua.xie@nxp.com>
Date: Fri, 29 Jan 2016 16:40:46 +0800
Subject: [PATCH 10/70] arm: add pgprot_cached and pgprot_cached_ns support
Signed-off-by: Jianhua Xie <jianhua.xie@nxp.com>
---
arch/arm/include/asm/pgtable.h | 7 +++++++
1 file changed, 7 insertions(+)
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -116,6 +116,13 @@ extern pgprot_t pgprot_s2_device;
#define pgprot_noncached(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
+#define pgprot_cached(prot) \
+ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED)
+
+#define pgprot_cached_ns(prot) \
+ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED | \
+ L_PTE_MT_DEV_NONSHARED)
+
#define pgprot_writecombine(prot) \
__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE)