• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 100 subscribers
  • Views 225 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SK-AM62P-LP: Set A53 clock to maximum

Raj Kumar
Intellectual 348 points
Part Number: SK-AM62P-LP

Tool/software:

Hello TI,

Can you help me to set the A53 clock frequency to maximum in sd card boot mode?

i verified that A53 was running at 1.2Ghz by default and maximum it can go 1.4Ghz so we want to set the frequency to 1.4Ghz.

root@am62pxx-evm:~# k3conf dump processor
|------------------------------------------------------------------------------|
| VERSION INFO                                                                 |
|------------------------------------------------------------------------------|
| K3CONF | (version 0.3-nogit built Sat May 25 16:31:55 UTC 2024)              |
| SoC    | AM62Px SR1.0                                                        |
| SYSFW  | ABI: 3.1 (firmware version 0x0009 '9.2.8--v09.02.08 (Kool Koala))') |
|------------------------------------------------------------------------------|

|--------------------------------------------------------------------------------------|
| Device ID | Processor ID | Processor Name    | Processor State | Processor Frequency |
|--------------------------------------------------------------------------------------|
|   121     |       1      | WKUP_R5FSS0_CORE0 | DEVICE_STATE_ON | 800000000           |
|     9     |       3      | MCU_R5FSS0_CORE0  | DEVICE_STATE_ON | 800000000           |
|   135     |      32      | A53SS0_CORE_0     | DEVICE_STATE_ON | 1200000000          |
|   136     |      33      | A53SS0_CORE_1     | DEVICE_STATE_ON | 1200000000          |
|   137     |      34      | A53SS0_CORE_2     | DEVICE_STATE_ON | 1200000000          |
|   138     |      35      | A53SS0_CORE_3     | DEVICE_STATE_ON | 1200000000          |
|   225     |     128      | HSM0              | DEVICE_STATE_ON | 500000000           |
|--------------------------------------------------------------------------------------|

i have followed soc initialization step in sbl boot and set 1.4Ghz and doesn't effecting in SD card boot mode,which requires a spl boot flow (as per my understanding). so can you please help me to do this?

Thank you.

Raj.