diff options
| -rw-r--r-- | src/soc/intel/skylake/Kconfig | 2 | ||||
| -rw-r--r-- | src/soc/intel/skylake/include/soc/lpc.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/skylake/lpc.c | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig index 1f42927254..2ea20a0803 100644 --- a/src/soc/intel/skylake/Kconfig +++ b/src/soc/intel/skylake/Kconfig @@ -119,7 +119,7 @@ config SERIAL_CPU_INIT config SERIRQ_CONTINUOUS_MODE bool - default y + default n help If you set this option to y, the serial IRQ machine will be operated in continuous mode. diff --git a/src/soc/intel/skylake/include/soc/lpc.h b/src/soc/intel/skylake/include/soc/lpc.h index 4e826d7688..63ffa16d6e 100644 --- a/src/soc/intel/skylake/include/soc/lpc.h +++ b/src/soc/intel/skylake/include/soc/lpc.h @@ -54,4 +54,6 @@ #define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ #define LGMR 0x98 /* LPC Generic Memory Range */ #define BIOS_CNTL 0xdc +#define PCCTL 0xE0 /* PCI Clock Control */ +#define CLKRUN_EN (1 << 0) #endif diff --git a/src/soc/intel/skylake/lpc.c b/src/soc/intel/skylake/lpc.c index 861b5ba76b..f612fda9cc 100644 --- a/src/soc/intel/skylake/lpc.c +++ b/src/soc/intel/skylake/lpc.c @@ -153,6 +153,8 @@ static const struct reg_script pch_misc_init_script[] = { #if !IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE) REG_PCI_RMW8(SERIRQ_CNTL, ~(1 << 6), 0), #endif + /* Enable CLKRUN_EN for power gating LPC */ + REG_PCI_OR8(PCCTL, (CLKRUN_EN)), REG_SCRIPT_END }; |