diff options
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/early_me.c | 13 | ||||
| -rw-r--r-- | src/southbridge/intel/bd82x6x/early_me_mrc.c | 13 |
2 files changed, 20 insertions, 6 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_me.c b/src/southbridge/intel/bd82x6x/early_me.c index 47b8708ba7..bda139b1fe 100644 --- a/src/southbridge/intel/bd82x6x/early_me.c +++ b/src/southbridge/intel/bd82x6x/early_me.c @@ -18,6 +18,7 @@ #include <console/console.h> #include <delay.h> #include <device/pci_ids.h> +#include <device/pci_def.h> #include <halt.h> #include <string.h> #include <timestamp.h> @@ -45,11 +46,17 @@ void intel_early_me_status(void) { struct me_hfs hfs; struct me_gmes gmes; + u32 id = pci_read_config32(PCH_ME_DEV, PCI_VENDOR_ID); - pci_read_dword_ptr(&hfs, PCI_ME_HFS); - pci_read_dword_ptr(&gmes, PCI_ME_GMES); + if ((id == 0xffffffff) || (id == 0x00000000) || + (id == 0x0000ffff) || (id == 0xffff0000)) { + printk(BIOS_DEBUG, "Missing Intel ME PCI device.\n"); + } else { + pci_read_dword_ptr(&hfs, PCI_ME_HFS); + pci_read_dword_ptr(&gmes, PCI_ME_GMES); - intel_me_status(&hfs, &gmes); + intel_me_status(&hfs, &gmes); + } } int intel_early_me_init(void) diff --git a/src/southbridge/intel/bd82x6x/early_me_mrc.c b/src/southbridge/intel/bd82x6x/early_me_mrc.c index 8faab62c04..a6562c77a7 100644 --- a/src/southbridge/intel/bd82x6x/early_me_mrc.c +++ b/src/southbridge/intel/bd82x6x/early_me_mrc.c @@ -18,6 +18,7 @@ #include <console/console.h> #include <delay.h> #include <device/pci_ids.h> +#include <device/pci_def.h> #include <halt.h> #include <string.h> #include "me.h" @@ -51,11 +52,17 @@ void intel_early_me_status(void) { struct me_hfs hfs; struct me_gmes gmes; + u32 id = pci_read_config32(PCH_ME_DEV, PCI_VENDOR_ID); - pci_read_dword_ptr(&hfs, PCI_ME_HFS); - pci_read_dword_ptr(&gmes, PCI_ME_GMES); + if ((id == 0xffffffff) || (id == 0x00000000) || + (id == 0x0000ffff) || (id == 0xffff0000)) { + printk(BIOS_DEBUG, "Missing Intel ME PCI device.\n"); + } else { + pci_read_dword_ptr(&hfs, PCI_ME_HFS); + pci_read_dword_ptr(&gmes, PCI_ME_GMES); - intel_me_status(&hfs, &gmes); + intel_me_status(&hfs, &gmes); + } } int intel_early_me_init(void) |