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RK3588 board reset on reboot
It's a complete laptop with the RK3588 chip.
https://mntre.com/
I had the issue countless times.
On 7/15/26 16:05, pasta wrote:
> out of curiosity, what board or other special stuff are you using?
> i've probably rebooted always my rk3588 (rock5b) more than a thousand
> times and never seen the message you are talking about
>
> On Wed, Jul 15, 2026 at 01:47:34PM +0000, Jan Schreiber wrote:
>> When rebooting a RK3588 more often than not I a serial output that wants
>> me to reset the board. When using following patch it does reboot
>> reliably.
>>
>> Values are found the RK3588 TRM Part 1.
>>
>> diff --git sys/dev/fdt/rkclock.c sys/dev/fdt/rkclock.c
>> index 5cf37730bbd..3237e698bb7 100644
>> --- sys/dev/fdt/rkclock.c
>> +++ sys/dev/fdt/rkclock.c
>> @@ -235,6 +235,8 @@
>> #define RK3588_CRU_CLKSEL_CON(i) (0x00300 + (i) * 4)
>> #define RK3588_CRU_GATE_CON(i) (0x00800 + (i) * 4)
>> #define RK3588_CRU_SOFTRST_CON(i) (0x00a00 + (i) * 4)
>> +#define RK3588_CRU_GLB_SRST_FST 0x00c08
>> +#define RK3588_GLB_SRST_FST_VAL 0xfdb9
>>
>> #define RK3588_PHPTOPCRU_PPLL_CON(i) (0x08200 + (i) * 4)
>> #define RK3588_PHPTOPCRU_SOFTRST_CON(i) (0x08a00 + (i) * 4)
>> @@ -4987,11 +4989,28 @@ const uint32_t rk3588_gates[78] = {
>> [66] = 0x00000004,
>> };
>>
>> +extern void (*cpuresetfn)(void);
>> +struct rkclock_softc *rk3588_cru_sc;
>> +
>> +void
>> +rk3588_cpureset(void)
>> +{
>> + struct rkclock_softc *sc = rk3588_cru_sc;
>> +
>> + if (sc != NULL)
>> + HWRITE4(sc, RK3588_CRU_GLB_SRST_FST, RK3588_GLB_SRST_FST_VAL);
>> + for (;;)
>> + continue;
>> +}
>> +
>> void
>> rk3588_init(struct rkclock_softc *sc)
>> {
>> int i;
>>
>> + rk3588_cru_sc = sc;
>> + cpuresetfn = rk3588_cpureset;
>> +
>> /* The code below assumes all clocks are enabled. Check this!. */
>> for (i = 0; i < nitems(rk3588_gates); i++) {
>> if (HREAD4(sc, RK3588_CRU_GATE_CON(i)) != rk3588_gates[i]) {
>>
RK3588 board reset on reboot