diff options
| -rw-r--r-- | chipset_enable.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/chipset_enable.c b/chipset_enable.c index a499ba01..5716ebf8 100644 --- a/chipset_enable.c +++ b/chipset_enable.c @@ -1013,10 +1013,18 @@ static int enable_flash_vt_vx(struct pci_dev *dev, const char *name) switch(dev->device_id) { case 0x8353: /* VX800/VX820 */ spi0_mm_base = pci_read_long(dev, 0xbc) << 8; + if (spi0_mm_base == 0x0) { + msg_pdbg ("MMIO not enabled!\n"); + return ERROR_FATAL; + } break; case 0x8409: /* VX855/VX875 */ case 0x8410: /* VX900 */ mmio_base = pci_read_long(dev, 0xbc) << 8; + if (mmio_base == 0x0) { + msg_pdbg ("MMIO not enabled!\n"); + return ERROR_FATAL; + } mmio_base_physmapped = physmap("VIA VX MMIO register", mmio_base, SPI_CNTL_LEN); if (mmio_base_physmapped == ERROR_PTR) return ERROR_FATAL; |