From 0d92f2141ac5ef5c80d13e9501890f914525d43c Mon Sep 17 00:00:00 2001 From: Konstantin Porotchkin Date: Mon, 19 Dec 2016 17:04:42 +0200 Subject: arm64: mvebu: Fix A8K memory mapping and add documentation Fix the MMU mapping for A8K device family: - Separate A7K and A8K memory mappings - Fix memory regions by including IO mapping for all 3 PCIe interfaces existing on each connected CP110 controller Add A8K memory mapping documentation with all regions configured by Marvell ATF. Change-Id: I9c930569b1853900f5fba2d5db319b092cc7a2a6 Signed-off-by: Konstantin Porotchkin Signed-off-by: Stefan Roese Cc: Stefan Roese Cc: Nadav Haklai Cc: Neta Zur Hershkovits Cc: Omri Itach Cc: Igal Liberman Cc: Haim Boot Cc: Hanna Hawa --- doc/mvebu/armada-8k-memory.txt | 56 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 doc/mvebu/armada-8k-memory.txt (limited to 'doc') diff --git a/doc/mvebu/armada-8k-memory.txt b/doc/mvebu/armada-8k-memory.txt new file mode 100644 index 0000000..064518e --- /dev/null +++ b/doc/mvebu/armada-8k-memory.txt @@ -0,0 +1,56 @@ + Memory Layout on Armada-8k SoC's + ================================ + +The below desribes the physical memory layout for Marvell's Armada-8k SoC's. + +This assumes that the SoC includes Dual CP configuration, in case the flavor is using +a single CP configuration, then all secondary-CP mappings are invalid. + +All "Reserved" areas below, are kept for future usage. + +Start End Use +-------------------------------------------------------------------------- +0x00000000 0xEFFFFFFF DRAM + +0xF0000000 0xF0FFFFFF AP Internal registers space + +0xF1000000 0xF1FFFFFF Reserved. + +0xF2000000 0xF3FFFFFF CP-0 Internal (configuration) registers + space. + +0xF4000000 0xF5FFFFFF CP-1 Internal (configuration) registers + space. + +0xF6000000 0xF6FFFFFF CP-0 / PCIe#0 Memory space. + +0xF7000000 0xF7FFFFFF CP-0 / PCIe#1 Memory space. + +0xF8000000 0xF8FFFFFF CP-0 / PCIe#2 Memory space. + +0xF9000000 0xF900FFFF CP-0 / PCIe#0 IO space. + +0xF9010000 0xF901FFFF CP-0 / PCIe#1 IO space. + +0xF9020000 0xF902FFFF CP-0 / PCIe#2 IO space. + +0xF9030000 0xF9FFFFFF Reserved. + +0xFA000000 0xFAFFFFFF CP-1 / PCIe#0 Memory space. + +0xFB000000 0xFBFFFFFF CP-1 / PCIe#1 Memory space. + +0xFC000000 0xFCFFFFFF CP-1 / PCIe#2 Memory space. + +0xFD000000 0xFD00FFFF CP-1 / PCIe#0 IO space. + +0xFD010000 0xFD01FFFF CP-1 / PCIe#1 IO space. + +0xFD020000 0xFD02FFFF CP-1 / PCIe#2 IO space. + +0xFD030000 0xFFEFFFFF Reserved. + +0xFFF00000 0xFFFFFFFF Bootrom + +0x100000000 -1 DRAM + -- cgit v1.1