diff options
| -rw-r--r-- | src/soc/intel/fsp_broadwell_de/smmrelocate.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/soc/intel/fsp_broadwell_de/smmrelocate.c b/src/soc/intel/fsp_broadwell_de/smmrelocate.c index f8f98c231d..a58744e774 100644 --- a/src/soc/intel/fsp_broadwell_de/smmrelocate.c +++ b/src/soc/intel/fsp_broadwell_de/smmrelocate.c @@ -220,9 +220,13 @@ static void fill_in_relocation_params(pci_devfn_t dev, * encompasses the SMRAM range as well as the IED range. * However, the SMRAM available to the handler is 4MiB since the IEDRAM * lives TSEG_BASE + 4MiB. + * + * Note that address bits 19:0 are ignored and not compared. + * The result is that BASE[19:0] is effectively 00000h and LIMIT is + * effectively FFFFFh. */ tseg_base = northbridge_get_base_reg(dev, TSEG_BASE); - tseg_limit = northbridge_get_base_reg(dev, TSEG_LIMIT); + tseg_limit = northbridge_get_base_reg(dev, TSEG_LIMIT) + 1 * MiB; tseg_size = tseg_limit - tseg_base; params->smram_base = tseg_base; |