diff options
| author | Tom Rini <[email protected]> | 2020-07-29 14:24:17 -0400 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2020-07-29 14:24:17 -0400 |
| commit | 8da75b1ddf966bd8457a2b5bf59dec0bfc9a1cd6 (patch) | |
| tree | 41d2ef5d35c09e393409d18fa329848774580592 /doc | |
| parent | 423e08cb77015beab6a81595765ec1faa34bedde (diff) | |
| parent | 2ae7adc659f7fca9ea65df4318e5bca2b8274310 (diff) | |
Merge branch '2020-07-29-add-brcm-ns3-support'
- Add initial Broadcom NS3 SoC support.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.bcmns3 | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/doc/README.bcmns3 b/doc/README.bcmns3 new file mode 100644 index 00000000000..c51f91471f6 --- /dev/null +++ b/doc/README.bcmns3 @@ -0,0 +1,74 @@ +BCMNS3 QSPI memory layout +========================= + +BCMNS3 has total 8MB non-volatile SPI flash memory. It is used to store +different images like fip.bin, nitro firmware, DDR shmo value and other backup +images. + +Following is the QSPI flash memory layout. + +/* QSPI layout + * |---------------------------|->0x000000 + * | | + * | | + * | fip.bin | + * | 2MB | + * | | + * ~ ~ + * ~ ~ + * | | + * | | + * | | + * |---------------------------|->0x200000 + * | | + * | | + * | | + * | fip.bin (Mirror) | + * | 2MB | + * ~ ~ + * ~ ~ + * | | + * | | + * | | + * |---------------------------|->0x400000 + * | | + * | Nitro NS3 Config | + * | 1.5M | + * | | + * ~ ~ + * ~ ~ + * | | + * |---------------------------|->0x580000 + * | Nitro NS3 Config | + * | 1.5M | + * | (Mirror) | + * ~ ~ + * ~ ~ + * | | + * |---------------------------|->0x700000 + * | Nitro NS3 bspd Config | + * | 64KB | + * ~ ~ + * ~ ~ + * | | + * |---------------------------|->0x710000 + * | Nitro NS3 bspd Config | + * | 64KB | + * ~ (Mirror) ~ + * ~ ~ + * | | + * |---------------------------|->0x720000 + * | SHMOO | + * | 64KB | + * | | + * ~ ~ + * ~ ~ + * |---------------------------|->0x730000 + * | Meta Data | + * | 832KB | + * | | + * ~ ~ + * ~ ~ + * | | + * |---------------------------| + */ |