diff options
Diffstat (limited to 'src/cpu/intel/fit')
| -rw-r--r-- | src/cpu/intel/fit/Kconfig | 12 | ||||
| -rw-r--r-- | src/cpu/intel/fit/fit.inc | 30 | ||||
| -rw-r--r-- | src/cpu/intel/fit/fit.lds | 6 |
3 files changed, 48 insertions, 0 deletions
diff --git a/src/cpu/intel/fit/Kconfig b/src/cpu/intel/fit/Kconfig new file mode 100644 index 0000000000..9b57556827 --- /dev/null +++ b/src/cpu/intel/fit/Kconfig @@ -0,0 +1,12 @@ +config CPU_INTEL_FIRMWARE_INTERFACE_TABLE + def_bool n + help + This option selects building a Firmware Interface Table (FIT). + +config CPU_INTEL_NUM_FIT_ENTRIES + int + default 4 + depends on CPU_INTEL_FIRMWARE_INTERFACE_TABLE + help + This option selects the number of empty entries in the FIT table. + diff --git a/src/cpu/intel/fit/fit.inc b/src/cpu/intel/fit/fit.inc new file mode 100644 index 0000000000..e4595c0d6d --- /dev/null +++ b/src/cpu/intel/fit/fit.inc @@ -0,0 +1,30 @@ +.section ".fit_pointer", "a", @progbits + .code32 +.global fit_pointer +fit_pointer: +.long fit_table +.long 0 +.previous + +.section ".rom.data", "a", @progbits +.align 16 +.global fit_table +.global fit_table_end +fit_table: +/* Address for type 0 is '_FIT_ ' */ +.long 0x5449465f +.long 0x2020205f +/* + * There is 1 entry in the table. Other tools will have to update the size + * and checksum when adding entries. + */ +.long 0x00000001 +/* Version */ +.word 0x0100 +/* Type 0 with checksum valid. */ +.byte 0x80 +/* Checksum byte - must add to zero. */ +.byte 0x7d +.fill CONFIG_CPU_INTEL_NUM_FIT_ENTRIES*16 +fit_table_end: +.previous diff --git a/src/cpu/intel/fit/fit.lds b/src/cpu/intel/fit/fit.lds new file mode 100644 index 0000000000..9ccfe82c5f --- /dev/null +++ b/src/cpu/intel/fit/fit.lds @@ -0,0 +1,6 @@ +SECTIONS { + . = 0xffffffc0; + .fit_pointer (.): { + *(.fit_pointer) + } +} |