upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/mach-rmobile/memmap-gen3.c

66 lines
1.3 KiB

/*
* Renesas RCar Gen3 memory map tables
*
* Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/armv8/mmu.h>
static struct mm_region r8a7795_mem_map[] = {
{
.virt = 0x0UL,
.phys = 0x0UL,
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
.virt = 0x80000000UL,
.phys = 0x80000000UL,
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
}
};
static struct mm_region r8a7796_mem_map[] = {
{
.virt = 0x0UL,
.phys = 0x0UL,
.size = 0xe0000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
.virt = 0xe0000000UL,
.phys = 0xe0000000UL,
.size = 0xe0000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = r8a7795_mem_map;
void rcar_gen3_memmap_fixup(void)
{
u32 cpu_type = rmobile_get_cpu_type();
switch (cpu_type) {
case RMOBILE_CPU_TYPE_R8A7795:
mem_map = r8a7795_mem_map;
break;
case RMOBILE_CPU_TYPE_R8A7796:
mem_map = r8a7796_mem_map;
break;
}
}