| Rayagonda Kokatanur | 89bb20b | 2020-07-15 22:49:08 +0530 | [diff] [blame^] | 1 | BCMNS3 QSPI memory layout |
| 2 | ========================= |
| 3 | |
| 4 | BCMNS3 has total 8MB non-volatile SPI flash memory. It is used to store |
| 5 | different images like fip.bin, nitro firmware, DDR shmo value and other backup |
| 6 | images. |
| 7 | |
| 8 | Following is the QSPI flash memory layout. |
| 9 | |
| 10 | /* QSPI layout |
| 11 | * |---------------------------|->0x000000 |
| 12 | * | | |
| 13 | * | | |
| 14 | * | fip.bin | |
| 15 | * | 2MB | |
| 16 | * | | |
| 17 | * ~ ~ |
| 18 | * ~ ~ |
| 19 | * | | |
| 20 | * | | |
| 21 | * | | |
| 22 | * |---------------------------|->0x200000 |
| 23 | * | | |
| 24 | * | | |
| 25 | * | | |
| 26 | * | fip.bin (Mirror) | |
| 27 | * | 2MB | |
| 28 | * ~ ~ |
| 29 | * ~ ~ |
| 30 | * | | |
| 31 | * | | |
| 32 | * | | |
| 33 | * |---------------------------|->0x400000 |
| 34 | * | | |
| 35 | * | Nitro NS3 Config | |
| 36 | * | 1.5M | |
| 37 | * | | |
| 38 | * ~ ~ |
| 39 | * ~ ~ |
| 40 | * | | |
| 41 | * |---------------------------|->0x580000 |
| 42 | * | Nitro NS3 Config | |
| 43 | * | 1.5M | |
| 44 | * | (Mirror) | |
| 45 | * ~ ~ |
| 46 | * ~ ~ |
| 47 | * | | |
| 48 | * |---------------------------|->0x700000 |
| 49 | * | Nitro NS3 bspd Config | |
| 50 | * | 64KB | |
| 51 | * ~ ~ |
| 52 | * ~ ~ |
| 53 | * | | |
| 54 | * |---------------------------|->0x710000 |
| 55 | * | Nitro NS3 bspd Config | |
| 56 | * | 64KB | |
| 57 | * ~ (Mirror) ~ |
| 58 | * ~ ~ |
| 59 | * | | |
| 60 | * |---------------------------|->0x720000 |
| 61 | * | SHMOO | |
| 62 | * | 64KB | |
| 63 | * | | |
| 64 | * ~ ~ |
| 65 | * ~ ~ |
| 66 | * |---------------------------|->0x730000 |
| 67 | * | Meta Data | |
| 68 | * | 832KB | |
| 69 | * | | |
| 70 | * ~ ~ |
| 71 | * ~ ~ |
| 72 | * | | |
| 73 | * |---------------------------| |
| 74 | */ |