mediatek: mt8183: protect 4GB~8GB dram memory

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LuminaSensum / arm-trusted-firmware

Browse code mediatek: mt8183: protect 4GB~8GB dram memory The offset there is the virtual address space on the bus side (1-9GB for 8GB RAM), and that emi_mpu_set_region_protection will translate to the physical memory space (0-8GB). 8GB is 33-bit (the memory bus width is 33-bit on this platform), so 0x23FFFFFFFUL-EMI_PHY_OFFSET = 0x1_FFFF_FFFF. Change-Id: I7be4759ed7546f7e15a5868b6f08988928c34075 Signed-off-by: Xi Chen <xixi.chen@mediatek.com> WIP_v2.3-LS master v2.4-LS v2.3-rc2 v2.3-rc1 v2.3-rc0 v2.3
1 parent 572fcdd commit 95d3c46a2f0db93003bebf5dc3d5568e940a773f Xi Chen authored on 13 Feb 2020 kenny liang committed on 14 Feb 2020

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The offset there is the virtual address space on the bus side (1-9GB for 8GB RAM),
and that emi_mpu_set_region_protection will translate to the physical memory space (0-8GB).

8GB is 33-bit (the memory bus width is 33-bit on this platform),
so 0x23FFFFFFFUL-EMI_PHY_OFFSET = 0x1_FFFF_FFFF.

Change-Id: I7be4759ed7546f7e15a5868b6f08988928c34075
Signed-off-by: Xi Chen <xixi.chen@mediatek.com>

WIP_v2.3-LS master v2.4-LS v2.3-rc2 v2.3-rc1 v2.3-rc0 v2.3

1 parent 572fcdd commit 95d3c46a2f0db93003bebf5dc3d5568e940a773f

Xi Chen authored on 13 Feb 2020

kenny liang committed on 14 Feb 2020

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Ignore Space Show notes View plat/mediatek/mt8183/drivers/emi_mpu/emi_mpu.c

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