Visible to Intel only — GUID: iga1439243009284
Ixiasoft
5.10.3. HPS Boot Flash Interface
The HPS includes dedicated I/O. The dedicated I/O [17:4] are used to connect the following boot flash daughtercards:
- NAND Flash (x8) card: 128MB
- QSPI Flash card: 128MB
- SD Micro flash card: 4GB
Bank | Pin Number | Schematic Signal Name | NF1.0 Interface | QSPI Interface | SDMMC Interface |
---|---|---|---|---|---|
Dedicated | E16 | HPS_DIO0 | NAND_ADQ0 | QSPI_CLK | SDMMC_DATA0 |
Dedicated | H16 | HPS_DIO1 | NAND_ADQ1 | QSPI_IO0 | SDMMC_CMD |
Dedicated | K16 | HPS_DIO2 | NAND_WEn | QSPI_SS0 | SDMMC_CCLK |
Dedicated | G16 | HPS_DIO3 | NAND_REn | QSPI_IO1 | SDMMC_DATA1 |
Dedicated | H17 | HPS_DIO4 | NAND_ADQ2 | QSPI_IO2_WPn | SDMMC_DATA2 |
Dedicated | F15 | HPS_DIO5 | NAND_ADQ3 | QSPI_IO3_HOLD | SDMMC_DATA3 |
Dedicated | L17 | HPS_DIO6 | NAND_CLE | Not used | SDMMC_PWR |
Dedicated | N19 | HPS_DIO7 | NAND_ALE | Not used | Not used |
Dedicated | M19 | HPS_DIO8 | NAND_RB | Not used | SDMMC_DATA4 |
Dedicated | E15 | HPS_DIO9 | NAND_CEn | Not used | SDMMC_DATA5 |
Dedicated | J16 | HPS_DIO10 | NAND_ADQ4 | Not used | SDMMC_DATA6 |
Dedicated | L18 | HPS_DIO11 | NAND_ADQ5 | Not used | SDMMC_DATA7 |
Dedicated | M17 | HPS_DIO12 | NAND_ADQ6 | Not used | Not used |
Dedicated | K17 | HPS_DIO13 | NAND_ADQ7 | Not used | Not used |
The flash mode is selected by the BOOTSEL bits defined in the flash daughtercard. BOOTSEL values are 0x02, 0x04 and 0x06.