Add Broadcom / Netgear changes from RAXE 1.0.0.48

[project/bcm63xx/u-boot.git] / arch / arm / mach-bcmbca / include / mmu_map_v7.h

diff --git a/arch/arm/mach-bcmbca/include/mmu_map_v7.h b/arch/arm/mach-bcmbca/include/mmu_map_v7.h
new file mode 100644 (file)
index 0000000..bc72d67
--- /dev/null
+++ b/arch/arm/mach-bcmbca/include/mmu_map_v7.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2019 Broadcom Ltd.
+ */
+
+#ifndef MMU_MAP_V7_H
+#define MMU_MAP_V7_H
+
+
+/*  MMU and TT (Translation Tables) definitions 
+
+   WBWA == Write-Back, Write-Allocate
+   WBNWA == Write-Back, No Write-Allocate
+   WTNWA == Write-Through, No Write-Allocate
+   NC == Non-Cacheable
+   SO == Strongly-Ordered
+   SD == Sharable-Device
+   NSD == Non-Sharable-Device
+*/
+  
+#define DESC_DOMAIN(x)          ((x << 5) & 0x000001E0)
+
+// section descriptor definitions
+#define SECTION_AP              0xc00
+#define SECTION_XN              0x10
+#define SECTION_PXN             0x1
+#if defined(CONFIG_BCM63138)
+/* A9 does not support PXN */
+#define SECTION_XN_ALL          (SECTION_XN)
+#else
+#define SECTION_XN_ALL          (SECTION_XN|SECTION_PXN)
+#endif
+#define SECTION_SHAREABLE       (1 << 16)
+#define SECTION_SUPER_DESC      (1 << 18)
+#define SECTION_DESC_NS         (1 << 19) 
+// TEX[2] = 1
+#define SECTION_OUTER_NC_INNER_WBWA         0x00004006
+#define SECTION_OUTER_WBNWA_INNER_WBWA      0x00007006
+#define SECTION_OUTER_WTNWA_INNER_WBWA      0x00006006
+#define SECTION_OUTER_WBWA_INNER_NC         0x00005002
+// TEX[2] = 0, OUTER & INNER are same all the time
+#define SECTION_OUTER_WBWA_INNER_WBWA       0x0000100E
+#define SECTION_OUTER_NSD_INNER_NSD         0x00002002
+#define SECTION_OUTER_NC_INNER_NC           0x00001002
+#define SECTION_OUTER_WTNWA_INNER_WTNWA     0x0000000A
+#define SECTION_OUTER_WBNWA_INNER_WBNWA     0x0000000E
+#define SECTION_OUTER_SO_INNER_SO           0x00000002
+#define SECTION_OUTER_SD_INNER_SD           0x00000006
+
+// definition for common section attribute 
+#define SECTION_ATTR_INVALID       0x0  
+#define SECTION_ATTR_CACHED_MEM    \
+       (SECTION_OUTER_WBWA_INNER_WBWA|SECTION_AP|DESC_DOMAIN(0))
+#define SECTION_ATTR_NONCACHED_MEM \
+       (SECTION_OUTER_NC_INNER_NC|SECTION_AP|DESC_DOMAIN(0))
+#define SECTION_ATTR_DEVICE        \
+       (SECTION_OUTER_NSD_INNER_NSD|SECTION_AP|SECTION_XN_ALL|DESC_DOMAIN(0))
+#define SECTION_ATTR_DEVICE_EXEC   \
+       (SECTION_OUTER_NSD_INNER_NSD|SECTION_AP|DESC_DOMAIN(0))
+#define SECTION_SET(__PA__,__ATTR__) ((__PA__&0xfff00000)|(__ATTR__&0xfffff))
+
+struct mm_region {
+       phys_addr_t phys;
+#ifdef CONFIG_ARMV7_LPAE
+       uint64_t virt;
+       uint64_t attrs;
+#else
+       uint32_t virt;
+       uint32_t attrs;
+#endif
+       uint32_t size;
+};
+
+extern struct mm_region *mem_map;
+
+#endif