SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
The configuration table for Hyperflash is shown in Table 4-68. Must be preceded with the common boot parameters described in Table 4-54.
Byte Offset | Size (bytes) | Name | Default Value | Description |
---|---|---|---|---|
256 | 1 | Port | 0 | Physical port |
257 | 1 | Mode | 0 | 0 = DDR, otherwise SDR |
258 | 1 | Csel | From pins | Chip select |
259 | 1 | nCsel | From pins | Number of valid chip selects |
260 | 4 | Rsvd | 0 | Reserved |
264 | 2 | RefFreqkHz | 0 | Module reference clock in kHz. 0 = ROM code computes the value |
266 | 2 | Rsvd | 0 | Reserved |
268 | 4 | busFreqkHz | From pins | Hyperflash bus frequency in kHz (83333 or 166666 kHz) |
272 | 4 | Base Address CS0 | 0 | Offset to CS0 memory |
276 | 4 | Base Address CS1 | 0 | Offset to CS1 memory |
280 | 4 | readIndex | 0 | Current active read offset (0 or 1) |
284 | 4 | Read offset 0 | 0x000000 | Read offset 0 |
288 | 4 | Read offset 1 | 0x400000 | Read offset 1 |
292 | 4 | Reserved | 0 | Reserved |
296 | 4 | Reserved | 0 | Reserved |