SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
GPMC NAND Boot Parameter Table shows the boot parameter table for GPMC NAND boot. Must be preceded with the common boot parameters described in Table 4-38.
| Byte Offset | Size (bytes) | Name | Default Value | Description |
|---|---|---|---|---|
| 256 | 4 | Ref Clk kHz | From pins | Specifies the module ref clock. |
| 260 | 4 | Page Size | 0 | Page size in bytes 2048 or 4096 |
| 264 | 1 | Chip Select | 0 | Chip Select |
| 265 | 1 | Ad Mux | 0 | Address/data multiplexing |
| 266 | 1 | Data Bus Width | 8 | Data bus width. Valid values are 8 and 16 |
| 267 | 1 | AD rows | 0 | Number of Row address |
| 268 | 1 | AD columns | 0 | Number of Column address cycles |
| 269 | 1 | ECC Nibbles | 0 | Size of BCH remainder in nibbles. 0 if no ECC, 26 for BCH8 |
| 270 | 2 | Current Valid Block | 0xFFFF | Block number of last known good block |
| 272 | 2 | Pages per Block | 0 | Number of pages in a block |
| 274 | 2 | Reserved | 0 | Reserved |
| 276 | 4 | Current Read Index | 0 | Active read index |
| 280 | 4 | Read Offset[0] | 0 | Offsets from base of GPMC NAND memory |
| 284 | 4 | Read Offset[1] | 0x400000 | Offsets from base of GPMC NAND memory |