diff options
Diffstat (limited to 'src/soc/intel/cannonlake/lpc.c')
| -rw-r--r-- | src/soc/intel/cannonlake/lpc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/lpc.c b/src/soc/intel/cannonlake/lpc.c index c02d66e54d..69a921feaf 100644 --- a/src/soc/intel/cannonlake/lpc.c +++ b/src/soc/intel/cannonlake/lpc.c @@ -30,6 +30,7 @@ #include <intelblocks/pcr.h> #include <reg_script.h> #include <soc/iomap.h> +#include <soc/lpc.h> #include <soc/pci_devs.h> #include <soc/pcr_ids.h> @@ -68,6 +69,18 @@ void soc_setup_dmi_pcr_io_dec(uint32_t *gen_io_dec) } #if ENV_RAMSTAGE +static void soc_mirror_dmi_pcr_io_dec(void) +{ + uint32_t io_dec_arr[] = { + pci_read_config32(PCH_DEV_LPC, LPC_GEN1_DEC), + pci_read_config32(PCH_DEV_LPC, LPC_GEN2_DEC), + pci_read_config32(PCH_DEV_LPC, LPC_GEN3_DEC), + pci_read_config32(PCH_DEV_LPC, LPC_GEN4_DEC), + }; + /* Mirror these same settings in DMI PCR */ + soc_setup_dmi_pcr_io_dec(&io_dec_arr[0]); +} + static void pch_enable_ioapic(const struct device *dev) { u32 reg32; @@ -202,6 +215,7 @@ void lpc_soc_init(struct device *dev) setup_i8259(); i8259_configure_irq_trigger(9, 1); clock_gate_8254(dev); + soc_mirror_dmi_pcr_io_dec(); } /* Fill up LPC IO resource structure inside SoC directory */ |