[PATCH 2/4] ARM: tegra: pmc: add power on function for secondary CPUs
From: pdeschrijver@nvidia.com (Peter De Schrijver)
Date: 2013-02-22 13:00:51
Also in:
linux-tegra
On Fri, Feb 22, 2013 at 07:44:49AM +0100, Joseph Lo wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- 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.