Dev-param
The DEV parameters are the device settings used by MB1/MB2.
The DEV parameters are the device settings used by MB1/MB2.
File path to configure these params:
| Parameter | Description |
|---|---|
| clock-source-id |
QSPI controller Clock Source 1: CLK_M 3: PLLP_OUT0 4: PLLM_OUT0 5: PLLC_OUT0 6: PLLC4_MUXED |
| clock-source-frequency | Frequency of clock source (in Hz) |
| interface-frequency | QSPI controller frequency (in Hz) |
| enable-ddr-mode |
0: QSPI SDR mode 1: QSPI DDR mode |
| maximum-bus-width |
Maximum QSPI bus width 0: QSPI x1 lane 2: QSPI x4 lane |
| fifo-access-mode |
0: PIO mode 1: DMA mode |
| ready-dummy-cycle | No. of dummy cycles as per QSPI flash |
| trimmer1-val | TX trimmer value |
| trimmer2-val | RX trimmer value |
| Parameter | Description |
|---|---|
| clock-source-id |
SDMMC controller Clock Source 0: PLLP_OUT0 1: PLLC4_OUT2_LJ 2: PLLC4_OUT0_LJ 3: PLLC4_OUT2 4: PLLC4_OUT1 5: PLLC4_OUT1_LJ 6: CLK_M 7: PLLC4_VCO |
| clock-source-frequency | Frequency of clock source (in Hz) |
| best-mode |
Highest supported mode of operation 0: SDR26 1: DDR52 2: HS200 3: HS400 |
| pd-offset | Pull-down offset |
| pu-offset | Pull-up offset |
| enable-strobe-hs400 | Enable HS400 strobe |
| dqs-trim-hs400 | HS400 DQS trim value |
| Parameter | Description |
|---|---|
| max-hs-mode |
Highest HS mode supproted by UFS device 1: HS GEAR1 2: HS GEAR2 3: HS GEAR3 |
| max-pwm-mode |
Highest PWM mode supproted by UFS device 1: PWM GEAR1 2: PWM GEAR2 3: PWM GEAR3 4: PWM GEAR4 |
| max-active-lanes | Maximum number of UFS lanes (1-2) |
| page-align-size | Alignment of pages used for UFS data structures (in bytes) |
| enable-hs-mode |
Whether to enable UFS HS modes 0: disable 1: enable |
| enable-fast-auto-mode |
Enable fast auto mode 0: disable 1: enable |
| enable-hs-rate-a |
Enable HS rate A 0: disable 1: enable |
| enable-hs-rate-b |
Enable HS rate B 0: disable 1: enable |
| init-state |
Initial state of UFS device at MB1 entry 0: UFS not initialized by BootROM 1: UFS is initialized by BootROM (MB1 can skip certain steps) |