michaelh/zephyr
1
0
Fork 0
Code Releases Activity

soc: intel_apl_adsp: add multi-processing support

Browse source 
This adds multi-processing support for Intel Apollo Lake ADSP.

Some of the start-up code is borrowed from ESP32.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2020-02-26 18:12:11 -08:00 • committed by Anas Nashif
commit fb1e7a563c
9 changed files with 308 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

9
soc/xtensa/intel_apl_adsp/linker.ld
View file

@ -171,7 +171,16 @@ _memmap_cacheattr_bp_allvalid = 0x22222222;
* as cacheattr_set macro sets them both to the same set of
* attributes.
*/
#ifndef CONFIG_SMP
_memmap_cacheattr_intel_apl_adsp = 0xFF42FFF2;
#else
/*
* FIXME: Make 0xA0000000 - 0xBFFFFFFF to bypass cache under SMP
* since there is no data cache manipulation for spinlock, kernel
* object, scheduler, etc...
*/
_memmap_cacheattr_intel_apl_adsp = 0xFF22FFF2;
#endif
PROVIDE(_memmap_cacheattr_reset = _memmap_cacheattr_intel_apl_adsp);
SECTIONS