diff options
| -rw-r--r-- | src/soc/intel/apollolake/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/bootblock/fit.c | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/Makefile.inc b/src/soc/intel/apollolake/Makefile.inc index a4ed87f45d..11da0b3815 100644 --- a/src/soc/intel/apollolake/Makefile.inc +++ b/src/soc/intel/apollolake/Makefile.inc @@ -155,7 +155,7 @@ endif # table + pointer, but reserving the pointer is still needed. Otherwise the # IBBL loader thrashes code there. So include fit.c so that the linker # reserves that pointer. -bootblock-y += ../../../cpu/intel/fit/fit.c +bootblock-y += bootblock/fit.c # DSP firmware settings files. ifeq ($(CONFIG_SOC_INTEL_GEMINILAKE),y) diff --git a/src/soc/intel/apollolake/bootblock/fit.c b/src/soc/intel/apollolake/bootblock/fit.c new file mode 100644 index 0000000000..0728f53cbd --- /dev/null +++ b/src/soc/intel/apollolake/bootblock/fit.c @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdint.h> + +/* + * At runtime TXE creates the FIT table in the shared SRAM and patches the bootblock + * at the fixed address 4G - 64 byte with a pointer to this FIT table. In order to be able + * to pre-compute the PCR value for the bootblock this FIT pointer needs to be added to the + * image as well. Since the FIT location is fixed in TXE, this can be done at build time. + */ +__attribute__((used, __section__(".fit_pointer"))) const uint64_t fit_ptr = 0xfffe0000; |