diff options
Diffstat (limited to 'src/soc/intel/apollolake/chip.c')
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 68459e602a..00470a201a 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -33,6 +33,7 @@ #include <soc/pci_devs.h> #include <spi-generic.h> #include <soc/pm.h> +#include <soc/p2sb.h> #include "chip.h" @@ -153,6 +154,14 @@ static void soc_init(void *data) range_entry_init(&range, 0x200000, 4ULL*GiB, 0); fsp_silicon_init(&range); + /* + * Keep the P2SB device visible so it and the other devices are + * visible in coreboot for driver support and PCI resource allocation. + * There is a UPD setting for this, but it's more consistent to use + * hide and unhide symmetrically. + */ + p2sb_unhide(); + /* Allocate ACPI NVS in CBMEM */ gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); } @@ -346,8 +355,11 @@ static void fsp_notify_dummy(void *arg) fsp_handle_reset(ret); } /* Call END_OF_FIRMWARE Notify after READY_TO_BOOT Notify */ - if (ph == READY_TO_BOOT) + if (ph == READY_TO_BOOT) { fsp_notify_dummy((void *)END_OF_FIRMWARE); + /* Hide the P2SB device to align with previous behavior. */ + p2sb_hide(); + } } BOOT_STATE_INIT_ENTRY(BS_DEV_RESOURCES, BS_ON_EXIT, fsp_notify_dummy, |