diff options
Diffstat (limited to 'src/soc/amd/common/fsp')
| -rw-r--r-- | src/soc/amd/common/fsp/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/amd/common/fsp/fsp_memmap.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/amd/common/fsp/Makefile.inc b/src/soc/amd/common/fsp/Makefile.inc index cb4b675975..f26fe8f884 100644 --- a/src/soc/amd/common/fsp/Makefile.inc +++ b/src/soc/amd/common/fsp/Makefile.inc @@ -1,7 +1,9 @@ ## SPDX-License-Identifier: GPL-2.0-only ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y) +romstage-y += fsp_memmap.c romstage-y += fsp_reset.c romstage-y += fsp_validate.c +ramstage-y += fsp_memmap.c ramstage-y += fsp_report_resources.c ramstage-y += fsp_reset.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fsp-acpi.c diff --git a/src/soc/amd/common/fsp/fsp_memmap.c b/src/soc/amd/common/fsp/fsp_memmap.c new file mode 100644 index 0000000000..8bed87b111 --- /dev/null +++ b/src/soc/amd/common/fsp/fsp_memmap.c @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <amdblocks/memmap.h> +#include <console/console.h> +#include <fsp/util.h> +#include <FspGuids.h> +#include <memrange.h> +#include <types.h> + +void fsp_get_smm_region(uintptr_t *start, size_t *size) +{ + static uintptr_t smm_start; + static size_t smm_size; + + *start = smm_start; + *size = smm_size; + if (*size && *start) + return; + + struct range_entry tseg; + + if (fsp_find_range_hob(&tseg, AMD_FSP_TSEG_HOB_GUID.b) != CB_SUCCESS) { + printk(BIOS_ERR, "unable to find TSEG HOB\n"); + return; + } + + smm_start = (uintptr_t)range_entry_base(&tseg); + smm_size = range_entry_size(&tseg); + *start = smm_start; + *size = smm_size; +} |