diff options
| -rw-r--r-- | src/soc/intel/broadwell/Kconfig | 9 | ||||
| -rw-r--r-- | src/soc/intel/broadwell/lpc.c | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/lynxpoint/Kconfig | 9 | ||||
| -rw-r--r-- | src/southbridge/intel/lynxpoint/lpc.c | 2 |
4 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/Kconfig b/src/soc/intel/broadwell/Kconfig index 2d6176af6b..9be3b1dd1d 100644 --- a/src/soc/intel/broadwell/Kconfig +++ b/src/soc/intel/broadwell/Kconfig @@ -215,4 +215,13 @@ config CHIPSET_BOOTBLOCK_INCLUDE string default "soc/intel/broadwell/bootblock/timestamp.inc" +config BROADWELL_POWER_OPTIMIZER + bool "Enable Power Optimizer" + default y if CHROMEOS + help + Enable the power optimizer for the High Speed I/O + Power Control (HSIOPC). This can break graphics + under Windows, but can improve battery life under + 'mostly idle' conditions. + endif diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c index 7ec9b46708..40297d2006 100644 --- a/src/soc/intel/broadwell/lpc.c +++ b/src/soc/intel/broadwell/lpc.c @@ -260,6 +260,7 @@ static const struct reg_script pch_pm_init_script[] = { REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x33b4, 0x00007001), REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3350, 0x022ddfff), REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3354, 0x00000001), +#if IS_ENABLED(CONFIG_BROADWELL_POWER_OPTIMIZER) /* Power Optimizer */ REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x08000000), REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x08000080), @@ -271,6 +272,7 @@ static const struct reg_script pch_pm_init_script[] = { REG_MMIO_WRITE32(RCBA_BASE_ADDRESS + 0x3a84, 0x00001005), REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33d4, 0x2fff2fb1), REG_MMIO_OR32(RCBA_BASE_ADDRESS + 0x33c8, 0x00008000), +#endif REG_SCRIPT_END }; diff --git a/src/southbridge/intel/lynxpoint/Kconfig b/src/southbridge/intel/lynxpoint/Kconfig index eea0c01043..7615e69cc3 100644 --- a/src/southbridge/intel/lynxpoint/Kconfig +++ b/src/southbridge/intel/lynxpoint/Kconfig @@ -96,4 +96,13 @@ config LOCK_MANAGEMENT_ENGINE bool default n +config LYNXPOINT_POWER_OPTIMIZER + bool "Enable Power Optimizer" + default y if CHROMEOS + help + Enable the power optimizer for the High Speed I/O + Power Control (HSIOPC). This can break graphics + under Windows, but can improve battery life under + 'mostly idle' conditions. + endif diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c index f4c3826aa9..1d20bbbe3b 100644 --- a/src/southbridge/intel/lynxpoint/lpc.c +++ b/src/southbridge/intel/lynxpoint/lpc.c @@ -346,6 +346,7 @@ const struct rcba_config_instruction lpt_lp_pm_rcba[] = { RCBA_RMW_REG_32(0x33b4, 0, 0x00007001), RCBA_RMW_REG_32(0x3350, 0, 0x022ddfff), RCBA_RMW_REG_32(0x3354, 0, 0x00000001), +#if IS_ENABLED(CONFIG_LYNXPOINT_POWER_OPTIMIZER) RCBA_RMW_REG_32(0x33d4, ~0, 0x08000000), /* Power Optimizer */ RCBA_RMW_REG_32(0x33c8, ~0, 0x08000080), /* Power Optimizer */ RCBA_RMW_REG_32(0x2b10, 0, 0x0000883c), /* Power Optimizer */ @@ -353,6 +354,7 @@ const struct rcba_config_instruction lpt_lp_pm_rcba[] = { RCBA_RMW_REG_32(0x2b24, 0, 0x40000005), /* Power Optimizer */ RCBA_RMW_REG_32(0x2b20, 0, 0x0005db01), /* Power Optimizer */ RCBA_RMW_REG_32(0x3a80, 0, 0x05145005), +#endif RCBA_END_CONFIG }; |