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| /rk3399_ARM-atf/plat/mediatek/mt8183/drivers/emi_mpu/ |
| H A D | emi_mpu.c | 95d3c46a2f0db93003bebf5dc3d5568e940a773f Fri Feb 14 02:57:14 UTC 2020 Xi Chen <xixi.chen@mediatek.com> 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>
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