diff options
Diffstat (limited to 'src/soc/intel/baytrail/northcluster.c')
| -rw-r--r-- | src/soc/intel/baytrail/northcluster.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/soc/intel/baytrail/northcluster.c b/src/soc/intel/baytrail/northcluster.c index eca122c056..e259163616 100644 --- a/src/soc/intel/baytrail/northcluster.c +++ b/src/soc/intel/baytrail/northcluster.c @@ -23,6 +23,7 @@ #include <device/pci.h> #include <device/pci_ids.h> +#include <baytrail/iomap.h> #include <baytrail/iosf.h> #include <baytrail/pci_devs.h> #include <baytrail/ramstage.h> @@ -64,6 +65,11 @@ */ #define RES_IN_KiB(r) ((r) >> 10) +uint32_t nc_read_top_of_low_memory(void) +{ + return iosf_bunit_read(BUNIT_BMBOUND) & ~((1 << 27) - 1); +} + static void nc_read_resources(device_t dev) { unsigned long mmconf; @@ -107,7 +113,7 @@ static void nc_read_resources(device_t dev) reserved_ram_resource(dev, index++, smmrrl, smmrrh - smmrrl); /* All address space between bmbound and smmrrh is unusable. */ - bmbound = RES_IN_KiB(iosf_bunit_read(BUNIT_BMBOUND) & ~((1 << 27) - 1)); + bmbound = RES_IN_KiB(nc_read_top_of_low_memory()); mmio_resource(dev, index++, smmrrh, bmbound - smmrrh); /* The BMBOUND_HI register matches register bits of 31:24 with address |