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ARM: tegra: add support for Tegra30 powerdomains

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Add support for the new powerdomains in Tegra30 such as extra CPU cores and
the SATA domain.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Peter De Schrijver 2012-02-10 01:47:48 +02:00 • committed by Olof Johansson
commit 6cafa97d3c
2 changed files with 13 additions and 0 deletions
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10
arch/arm/mach-tegra/include/mach/powergate.h
View file

@ -27,6 +27,16 @@
#define TEGRA_POWERGATE_VDEC 4 #define TEGRA_POWERGATE_VDEC 4
#define TEGRA_POWERGATE_L2 5 #define TEGRA_POWERGATE_L2 5
#define TEGRA_POWERGATE_MPE 6 #define TEGRA_POWERGATE_MPE 6
#define TEGRA_POWERGATE_HEG 7
#define TEGRA_POWERGATE_SATA 8
#define TEGRA_POWERGATE_CPU1 9
#define TEGRA_POWERGATE_CPU2 10
#define TEGRA_POWERGATE_CPU3 11
#define TEGRA_POWERGATE_CELP 12
#define TEGRA_POWERGATE_3D1 13
#define TEGRA_POWERGATE_CPU0 TEGRA_POWERGATE_CPU
#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
int tegra_powergate_is_powered(int id); int tegra_powergate_is_powered(int id);
int tegra_powergate_power_on(int id); int tegra_powergate_power_on(int id);

3
arch/arm/mach-tegra/powergate.c
View file

@ -167,6 +167,9 @@ int __init tegra_powergate_init(void)
case TEGRA20: case TEGRA20:
tegra_num_powerdomains = 7; tegra_num_powerdomains = 7;
break; break;
case TEGRA30:
tegra_num_powerdomains = 14;
break;
default: default:
/* Unknown Tegra variant. Disable powergating */ /* Unknown Tegra variant. Disable powergating */
tegra_num_powerdomains = 0; tegra_num_powerdomains = 0;