On Fri, Feb 22, 2013 at 07:44:49AM +0100, Joseph Lo wrote:
> Adding the power on function for secondary CPUs in PMC driver, this can
> help us to remove legacy powergate driver and add generic power domain
> support later.
>
> Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
> ---
> arch/arm/mach-tegra/pmc.c | 105 +++++++++++++++++++++++++++++++++++++++++++++-
> arch/arm/mach-tegra/pmc.h | 4 ++
> 2 files changed, 107 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c
> index 2315e25..a2446c2 100644
> --- a/arch/arm/mach-tegra/pmc.c
> +++ b/arch/arm/mach-tegra/pmc.c
> @@ -21,8 +21,26 @@
> #include <linux/of.h>
> #include <linux/of_address.h>
>
> -#define PMC_CTRL 0x0
> -#define PMC_CTRL_INTR_LOW (1 << 17)
> +#define PMC_CTRL 0x0
> +#define PMC_CTRL_INTR_LOW (1 << 17)
> +#define PMC_PWRGATE_TOGGLE 0x30
> +#define PMC_PWRGATE_TOGGLE_START (1 << 8)
> +#define PMC_REMOVE_CLAMPING 0x34
> +#define PMC_PWRGATE_STATUS 0x38
> +
> +#define TEGRA_POWERGATE_PCIE 3
> +#define TEGRA_POWERGATE_VDEC 4
> +#define TEGRA_POWERGATE_CPU1 9
> +#define TEGRA_POWERGATE_CPU2 10
> +#define TEGRA_POWERGATE_CPU3 11
> +
> +static u8 tegra_cpu_domains[] = {
> + 0xFF, /* not available for CPU0 */
On Tegra114 we can also powergate CPU0, so this needs to be defined then.
Cheers,
Peter.
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