SPRUIV7B May 2022 – September 2023 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
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 5-43.
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 |