Openwrt/target/linux/layerscape/patches-5.4/301-arch-0009-arm-add-pgprot_cached-and-pgprot_cached_ns-support.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

27 lines
893 B
Diff

From 395718e9f6445369089dba16fa50182c5e0528f5 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] 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)