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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/doc/README.bcmns3 | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/doc/README.bcmns3')
-rw-r--r-- | roms/u-boot/doc/README.bcmns3 | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/roms/u-boot/doc/README.bcmns3 b/roms/u-boot/doc/README.bcmns3 new file mode 100644 index 000000000..c51f91471 --- /dev/null +++ b/roms/u-boot/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 | + * | | + * ~ ~ + * ~ ~ + * | | + * |---------------------------| + */ |