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18 changes: 11 additions & 7 deletions src/platform/apollolake/include/platform/lib/memory.h
Original file line number Diff line number Diff line change
Expand Up @@ -125,23 +125,27 @@
#define EXT_MANIFEST_ELF_SIZE 0x2000000

/*
* The HP SRAM Region Apollolake is organised like this :-
* The HP SRAM Region Apollolake is organised like this. Lower
* addresses are first. See also mailbox.h.
*
* +--------------------------------------------------------------------------+
* | Offset | Region | Size |
* +------------------+-------------------------+-----------------------------+
* | SRAM_SW_REG_BASE | SW Registers W0 | SRAM_SW_REG_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_OUTBOX_BASE | Outbox W0 | SRAM_MAILBOX_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_INBOX_BASE | Inbox W1 | SRAM_INBOX_SIZE |
* | SRAM_TRACE_BASE | Trace Buffer W3 | SRAM_TRACE_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_DEBUG_BASE | Debug data W2 | SRAM_DEBUG_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_EXCEPT_BASE | Debug data W2 | SRAM_EXCEPT_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_STREAM_BASE | Stream data W2 | SRAM_STREAM_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_TRACE_BASE | Trace Buffer W3 | SRAM_TRACE_SIZE |
* | SRAM_INBOX_BASE | Inbox W1 | SRAM_INBOX_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_SW_REG_BASE | SW Registers W0 | SRAM_SW_REG_SIZE |
* +------------------+-------------------------+-----------------------------+
* | SRAM_OUTBOX_BASE | Outbox W0 | SRAM_OUTBOX_SIZE |
* +------------------+-------------------------+-----------------------------+
*
* +------------------+-------------------------+-----------------------------+
* | SOF_FW_START | text | |
* | | data | |
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5 changes: 4 additions & 1 deletion src/platform/intel/cavs/include/cavs/lib/mailbox.h
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,10 @@
#include <stdint.h>

/*
* The Window Region on HPSRAM for cAVS platforms is organised like this :-
* The Window Region on HPSRAM for cAVS platforms is organised like
* this. The actual region order is platform-specific, see memory.h
* files.
*
* +--------------------------------------------------------------------------+
* | Offset | Region | Size |
* +---------------------+----------------+-----------------------------------+
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