diff options
Diffstat (limited to 'src/soc/intel/common/block/cse/cse.c')
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 9520242d2e..1671970a19 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -503,6 +503,28 @@ int heci_reset(void) return 0; } +bool is_cse_enabled(void) +{ + const struct device *cse_dev = pcidev_path_on_root(PCH_DEVFN_CSE); + + if (!cse_dev || !cse_dev->enabled) { + printk(BIOS_WARNING, "HECI: No CSE device\n"); + return false; + } + + if (pci_read_config16(PCH_DEV_CSE, PCI_VENDOR_ID) == 0xFFFF) { + printk(BIOS_WARNING, "HECI: CSE device is hidden\n"); + return false; + } + + return true; +} + +uint32_t me_read_config32(int offset) +{ + return pci_read_config32(PCH_DEV_CSE, offset); +} + #if ENV_RAMSTAGE static void update_sec_bar(struct device *dev) |