Hi Caesar, Doug,
Am Sonntag, 7. Juni 2015, 13:51:24 schrieb Caesar Wang:
> 在 2015年06月07日 11:43, Doug Anderson 写道:
> > Caesar,
> >
> > On Sat, Jun 6, 2015 at 7:51 PM, Caesar Wang wrote:
> >> @@ -150,13 +159,15 @@ static int __cpuinit
> >> rockchip_boot_secondary(unsigned
> >> int cpu,
> >>
> >>
在 2015年06月07日 11:43, Doug Anderson 写道:
Caesar,
On Sat, Jun 6, 2015 at 7:51 PM, Caesar Wang wrote:
@@ -150,13 +159,15 @@ static int __cpuinit rockchip_boot_secondary(unsigned
int cpu,
* sram_base_addr + 4: 0xdeadbeaf
* sram_base_addr + 8: start address for
Caesar,
On Sat, Jun 6, 2015 at 7:51 PM, Caesar Wang wrote:
> @@ -150,13 +159,15 @@ static int __cpuinit rockchip_boot_secondary(unsigned
> int cpu,
> * sram_base_addr + 4: 0xdeadbeaf
> * sram_base_addr + 8: start address for pc
> * */
> -
在 2015年06月06日 04:55, Doug Anderson 写道:
Caesar,
On Fri, Jun 5, 2015 at 10:05 AM, Caesar Wang wrote:
+ if (!on)
+ reset_control_assert(rstc);
+
+ ret = regmap_update_bits(pmu, PMU_PWRDN_CON, BIT(pd), val);
+ if (ret < 0) {
+
Caesar,
On Fri, Jun 5, 2015 at 10:05 AM, Caesar Wang wrote:
> + if (!on)
> + reset_control_assert(rstc);
> +
> + ret = regmap_update_bits(pmu, PMU_PWRDN_CON, BIT(pd), val);
> + if (ret < 0) {
> + pr_err("%s: cou
We need different orderings when turning a core on and turning a core
off. In one case we need to assert reset before turning power off.
In ther other case we need to turn power on and the deassert reset.
In general, the correct flow is:
CPU off:
reset_control_assert
regmap_update_bits(p
We need different orderings when turning a core on and turning a core
off. In one case we need to assert reset before turning power off.
In ther other case we need to turn power on and the deassert reset.
In general, the correct flow is:
CPU off:
reset_control_assert
regmap_update_bits(p
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