From: jinghua <jinghua@marvell.com>
Date: Fri, 30 Apr 2021 13:29:47 +0000 (+0200)
Subject: arm64: mvebu: a8k: align memory regions
X-Git-Tag: v2021.10~180^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=762f9fba0f748c1f7fd3e0ed52c2baebfa6d1bff;p=platform%2Fkernel%2Fu-boot.git

arm64: mvebu: a8k: align memory regions

1. RAM: base address 0x0 size 2Gbytes
2. MMIO: base address 0xf0000000 size 1Gbytes

Signed-off-by: Ofir Fedida <ofedida@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
---

diff --git a/arch/arm/mach-mvebu/armada8k/cpu.c b/arch/arm/mach-mvebu/armada8k/cpu.c
index 474327a..9953171 100644
--- a/arch/arm/mach-mvebu/armada8k/cpu.c
+++ b/arch/arm/mach-mvebu/armada8k/cpu.c
@@ -8,6 +8,7 @@
 #include <dm.h>
 #include <fdtdec.h>
 #include <linux/libfdt.h>
+#include <linux/sizes.h>
 #include <asm/io.h>
 #include <asm/system.h>
 #include <asm/arch/cpu.h>
@@ -23,62 +24,22 @@
 #define BOOT_MODE_MASK			0x3f
 #define BOOT_MODE_OFFSET		4
 
-/*
- * The following table includes all memory regions for Armada 7k and
- * 8k SoCs. The Armada 7k is missing the CP110 slave regions here. Lets
- * define these regions at the beginning of the struct so that they
- * can be easier removed later dynamically if an Armada 7k device is detected.
- * For a detailed memory map, please see doc/mvebu/armada-8k-memory.txt
- */
-#define ARMADA_7K8K_COMMON_REGIONS_START	2
 static struct mm_region mvebu_mem_map[] = {
 	/* Armada 80x0 memory regions include the CP1 (slave) units */
 	{
-		/* SRAM, MMIO regions - CP110 slave region */
-		.phys = 0xf4000000UL,
-		.virt = 0xf4000000UL,
-		.size = 0x02000000UL,	/* 32MiB internal registers */
-		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
-			 PTE_BLOCK_NON_SHARE
-	},
-	{
-		/* PCI CP1 regions */
-		.phys = 0xfa000000UL,
-		.virt = 0xfa000000UL,
-		.size = 0x04000000UL,	/* 64MiB CP110 slave PCI space */
-		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
-			 PTE_BLOCK_NON_SHARE
-	},
-	/* Armada 80x0 and 70x0 common memory regions start here */
-	{
 		/* RAM */
 		.phys = 0x0UL,
 		.virt = 0x0UL,
-		.size = 0x80000000UL,
+		.size = SZ_2G,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	},
 	{
-		/* SRAM, MMIO regions - AP806 region */
-		.phys = 0xf0000000UL,
-		.virt = 0xf0000000UL,
-		.size = 0x01000000UL,	/* 16MiB internal registers */
-		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
-			 PTE_BLOCK_NON_SHARE
-	},
-	{
-		/* SRAM, MMIO regions - CP110 master region */
-		.phys = 0xf2000000UL,
-		.virt = 0xf2000000UL,
-		.size = 0x02000000UL,	/* 32MiB internal registers */
-		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
-			 PTE_BLOCK_NON_SHARE
-	},
-	{
-		/* PCI CP0 regions */
-		.phys = 0xf6000000UL,
-		.virt = 0xf6000000UL,
-		.size = 0x04000000UL,	/* 64MiB CP110 master PCI space */
+		/* MMIO regions */
+		.phys = SOC_REGS_PHY_BASE,
+		.virt = SOC_REGS_PHY_BASE,
+		.size = SZ_1G,
+
 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
 			 PTE_BLOCK_NON_SHARE
 	},
@@ -91,15 +52,6 @@ struct mm_region *mem_map = mvebu_mem_map;
 
 void enable_caches(void)
 {
-	/*
-	 * Armada 7k is not equipped with the CP110 slave CP. In case this
-	 * code runs on an Armada 7k device, lets remove the CP110 slave
-	 * entries from the memory mapping by moving the start to the
-	 * common regions.
-	 */
-	if (of_machine_is_compatible("marvell,armada7040"))
-		mem_map = &mvebu_mem_map[ARMADA_7K8K_COMMON_REGIONS_START];
-
 	icache_enable();
 	dcache_enable();
 }