diff options
| author | Bibek Basu <bbasu@nvidia.com> | 2014-11-06 16:34:09 +0530 |
|---|---|---|
| committer | Winnie Hsu <whsu@nvidia.com> | 2014-11-21 13:46:32 -0800 |
| commit | e9b32d4342a9ee9308729ae0c725d421869a0538 (patch) | |
| tree | b75923e1184e8620e4a7e8650b306fb96d606d9c /arch/arm/mach-tegra/common.c | |
| parent | 2c1ad0be0a4ef9a83f8fbdbb19dbc72cb83f7420 (diff) | |
arm: tegra12: add support for CD575M 24x7 Chip
Added DVFS support for CD575M Always on behaviour.
With this personality configuration for the chip,the
lifetime of the chip increases to 5 Yrs
Operating Temp : -25 to 105 degC
CPU DVFS: Max Freq 1938Mhz. Max Voltage 1.12V
SOC DVFS: Max Voltage0 1.01V EMC dvfs max freq 792Mhz
GPU DVFS: Max Freq 804Mhz and Ma Voltage 1.09V
Bug 1563635
Change-Id: If7fec38b83ae4de8c5435006207fa3cf717384c0
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/594855
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 271e8228a865..de7173b67cb0 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -333,6 +333,7 @@ static int emc_max_dvfs; static unsigned int memory_type; static int usb_port_owner_info; static int lane_owner_info; +static int chip_personality; #ifdef CONFIG_ARCH_TEGRA_11x_SOC static __initdata struct tegra_clk_init_table tegra11x_clk_init_table[] = { @@ -1157,6 +1158,21 @@ int tegra_get_sku_override(void) return sku_override; } +static int __init tegra_chip_personality(char *id) +{ + char *p = id; + + chip_personality = memparse(p, &p); + + return 0; +} +early_param("chip_personality", tegra_chip_personality); + +int tegra_get_chip_personality(void) +{ + return chip_personality; +} + #ifndef CONFIG_NVMAP_USE_CMA_FOR_CARVEOUT static int __init tegra_vpr_arg(char *options) { |