diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-04-01 13:21:34 (GMT) |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-04-10 02:02:03 (GMT) |
| commit | ca0d29e4f06095fd39f3125aef8f427aa1728ee5 (patch) | |
| tree | 78db952d55e398ea0d05b4128c5307c874925269 /arch/x86/include | |
| parent | bb416465fde8393bcbf1f64847b5e3cb021d5c81 (diff) | |
| download | u-boot-ca0d29e4f06095fd39f3125aef8f427aa1728ee5.tar.xz | |
x86: Introduce minimal PMU driver for Intel MID platforms
This simple PMU driver allows to tyrn power on and off for selected
devices. In particularly Intel Tangier needs to power on SDHCI
controllers in order to access to them during board initialization.
In the future it might be expanded to cover other Intel MID platforms,
that's why it's located under arch/x86/lib and called pmu.c.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/pmu.h | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 0ee13b1..c00687a 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -54,6 +54,7 @@ enum { X86_NONE, X86_SYSCON_ME, /* Intel Management Engine */ X86_SYSCON_PINCONF, /* Intel x86 pin configuration */ + X86_SYSCON_PMU, /* Power Management Unit */ X86_SYSCON_SCU, /* System Controller Unit */ }; diff --git a/arch/x86/include/asm/pmu.h b/arch/x86/include/asm/pmu.h new file mode 100644 index 0000000..96b968f --- /dev/null +++ b/arch/x86/include/asm/pmu.h @@ -0,0 +1,11 @@ +/* + * Copyright (c) 2017 Intel Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _X86_ASM_PMU_IPC_H_ +#define _X86_ASM_PMU_IPC_H_ + +int pmu_turn_power(unsigned int lss, bool on); + +#endif /* _X86_ASM_PMU_IPC_H_ */ |