diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch b/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch deleted file mode 100644 index c09efca570..0000000000 --- a/target/linux/layerscape/patches-5.4/301-arch-0008-arm-add-new-non-shareable-ioremap.patch +++ /dev/null @@ -1,95 +0,0 @@ -From e5bf75ca33946d81c82014168042a64db7c81551 Mon Sep 17 00:00:00 2001 -From: Pan Jiafei <Jiafei.Pan@nxp.com> -Date: Thu, 17 Mar 2016 02:01:03 +0000 -Subject: [PATCH] arm: add new non-shareable ioremap - -Signed-off-by: Pan Jiafei <Jiafei.Pan@nxp.com> -Signed-off-by: Roy Pledge <roy.pledge@nxp.com> ---- - arch/arm/include/asm/io.h | 3 +++ - arch/arm/include/asm/mach/map.h | 4 ++-- - arch/arm/mm/ioremap.c | 7 +++++++ - arch/arm/mm/mmu.c | 9 +++++++++ - 4 files changed, 21 insertions(+), 2 deletions(-) - ---- a/arch/arm/include/asm/io.h -+++ b/arch/arm/include/asm/io.h -@@ -123,6 +123,7 @@ static inline u32 __raw_readl(const vola - #define MT_DEVICE_NONSHARED 1 - #define MT_DEVICE_CACHED 2 - #define MT_DEVICE_WC 3 -+#define MT_MEMORY_RW_NS 4 - /* - * types 4 onwards can be found in asm/mach/map.h and are undefined - * for ioremap -@@ -438,6 +439,8 @@ void __iomem *ioremap_wc(resource_size_t - #define ioremap_wc ioremap_wc - #define ioremap_wt ioremap_wc - -+void __iomem *ioremap_cache_ns(resource_size_t res_cookie, size_t size); -+ - void iounmap(volatile void __iomem *iomem_cookie); - #define iounmap iounmap - ---- a/arch/arm/include/asm/mach/map.h -+++ b/arch/arm/include/asm/mach/map.h -@@ -18,9 +18,9 @@ struct map_desc { - unsigned int type; - }; - --/* types 0-3 are defined in asm/io.h */ -+/* types 0-4 are defined in asm/io.h */ - enum { -- MT_UNCACHED = 4, -+ MT_UNCACHED = 5, - MT_CACHECLEAN, - MT_MINICLEAN, - MT_LOW_VECTORS, ---- a/arch/arm/mm/ioremap.c -+++ b/arch/arm/mm/ioremap.c -@@ -401,6 +401,13 @@ void __iomem *ioremap_wc(resource_size_t - } - EXPORT_SYMBOL(ioremap_wc); - -+void __iomem *ioremap_cache_ns(resource_size_t res_cookie, size_t size) -+{ -+ return arch_ioremap_caller(res_cookie, size, MT_MEMORY_RW_NS, -+ __builtin_return_address(0)); -+} -+EXPORT_SYMBOL(ioremap_cache_ns); -+ - /* - * Remap an arbitrary physical address space into the kernel virtual - * address space as memory. Needed when the kernel wants to execute ---- a/arch/arm/mm/mmu.c -+++ b/arch/arm/mm/mmu.c -@@ -314,6 +314,13 @@ static struct mem_type mem_types[] __ro_ - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -+ [MT_MEMORY_RW_NS] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | -+ L_PTE_XN, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_XN, -+ .domain = DOMAIN_KERNEL, -+ }, - [MT_ROM] = { - .prot_sect = PMD_TYPE_SECT, - .domain = DOMAIN_KERNEL, -@@ -650,6 +657,7 @@ static void __init build_mem_type_table( - } - kern_pgprot |= PTE_EXT_AF; - vecs_pgprot |= PTE_EXT_AF; -+ mem_types[MT_MEMORY_RW_NS].prot_pte |= PTE_EXT_AF | cp->pte; - - /* - * Set PXN for user mappings -@@ -678,6 +686,7 @@ static void __init build_mem_type_table( - mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd; - mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot; -+ mem_types[MT_MEMORY_RW_NS].prot_sect |= ecc_mask | cp->pmd; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask; - mem_types[MT_ROM].prot_sect |= cp->pmd; |