X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=rpikern;a=blobdiff_plain;f=doc%2Fnotes.md;fp=doc%2Fnotes.md;h=0d4e804551d7cc0fdcf460bcd8f15fb9116108c6;hp=0000000000000000000000000000000000000000;hb=203b43a75a028e9238307bd6e73768eb8e942071;hpb=e848811902a51b67dedb6f6325dda19a6f21e820 diff --git a/doc/notes.md b/doc/notes.md new file mode 100644 index 0000000..0d4e804 --- /dev/null +++ b/doc/notes.md @@ -0,0 +1,18 @@ +Raspberry Pi2 notes +=================== +The following is not all confirmed. + +Memory map +---------- +RAM is mapped to 0, 40000000 (cache-coherent) and c0000000h (uncached) in VC +space. In the ARM address space is mapped to 0(?). + +I/O base is at 7e000000 in VC address space (rpi1?), and mapped to different +ranges for each model in ARM space. + +Memory map summary: + - load address: 8000h + - I/O base: + * rpi0/1: 20000000h + * rpi2/3: 3f000000h + * rpi4: fe000000h