> 34xx TRM Delta G->H notes that the CORE powerdomain has a hardware
> save-and-restore (SAR) control bit for the USBTLL module, similar to
> the USBHOST powerdomain SAR bit. Split the existing core_34xx struct
> powerdomain into two structs, one for ES1 and one for ES2, and add the
> PWRDM_HAS_HDWR_SAR flag to the ES2 powerdomain.
>
> Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> +
> +/* No wkdeps or sleepdeps for 34xx core apparently */
> +static struct powerdomain core_34xx_es2_pwrdm = {
> + .name = "core_pwrdm",
> + .prcm_offs = CORE_MOD,
> + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
> .pwrsts = PWRSTS_OFF_RET_ON,
> .dep_bit = OMAP3430_EN_CORE_SHIFT,
> + .flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
> .banks = 2,
> .pwrsts_mem_ret = {
> [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
TLLSAR is not functional till ES3.1 (and beyound). Is it possible to flag it this way?
If you try and use it your system will deadlock on 2nd OFF mode transition due to hardware bug.
Regards,
Richard W.
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