From 914a84e6eefa703efccf7bb49bf870fcab060005 Mon Sep 17 00:00:00 2001
From: Ley Foon Tan <ley.foon.tan@intel.com>
Date: Thu, 24 May 2018 00:17:26 +0800
Subject: [PATCH] arm: socfpga: stratix10: Add MMU support for Stratix10 SoC

Add MMU memory mapping table for Stratix SoC.

Signed-off-by: Chin Liang See <chin.liang.see@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Acked-by: Marek Vasut <marex@denx.de>
---
 arch/arm/mach-socfpga/Makefile        |  1 +
 arch/arm/mach-socfpga/mmu-arm64_s10.c | 71 +++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 arch/arm/mach-socfpga/mmu-arm64_s10.c

diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index 5c22cc2..478afe2 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -32,6 +32,7 @@ ifdef CONFIG_TARGET_SOCFPGA_STRATIX10
 obj-y	+= clock_manager_s10.o
 obj-y	+= mailbox_s10.o
 obj-y	+= misc_s10.o
+obj-y	+= mmu-arm64_s10.o
 obj-y	+= reset_manager_s10.o
 obj-y	+= system_manager_s10.o
 obj-y	+= wrap_pinmux_config_s10.o
diff --git a/arch/arm/mach-socfpga/mmu-arm64_s10.c b/arch/arm/mach-socfpga/mmu-arm64_s10.c
new file mode 100644
index 0000000..670ceb9
--- /dev/null
+++ b/arch/arm/mach-socfpga/mmu-arm64_s10.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/armv8/mmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct mm_region socfpga_stratix10_mem_map[] = {
+	{
+		/* MEM 2GB*/
+		.virt	= 0x0UL,
+		.phys	= 0x0UL,
+		.size	= 0x80000000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+				PTE_BLOCK_INNER_SHARE,
+	}, {
+		/* FPGA 1.5GB */
+		.virt	= 0x80000000UL,
+		.phys	= 0x80000000UL,
+		.size	= 0x60000000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN,
+	}, {
+		/* DEVICE 142MB */
+		.virt	= 0xF7000000UL,
+		.phys	= 0xF7000000UL,
+		.size	= 0x08E00000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN,
+	}, {
+		/* OCRAM 1MB but available 256KB */
+		.virt	= 0xFFE00000UL,
+		.phys	= 0xFFE00000UL,
+		.size	= 0x00100000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+				PTE_BLOCK_INNER_SHARE,
+	}, {
+		/* DEVICE 32KB */
+		.virt	= 0xFFFC0000UL,
+		.phys	= 0xFFFC0000UL,
+		.size	= 0x00008000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN,
+	}, {
+		/* MEM 124GB */
+		.virt	= 0x0100000000UL,
+		.phys	= 0x0100000000UL,
+		.size	= 0x1F00000000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+				PTE_BLOCK_INNER_SHARE,
+	}, {
+		/* DEVICE 4GB */
+		.virt	= 0x2000000000UL,
+		.phys	= 0x2000000000UL,
+		.size	= 0x0100000000UL,
+		.attrs	= PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN,
+	}, {
+		/* List terminator */
+	},
+};
+
+struct mm_region *mem_map = socfpga_stratix10_mem_map;