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ace: power: replace pseudo-assembly movi

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When switching off memory banks we cannot use movi with arbitrary
immediate arguments, they will be converted by the compiler to memory
accesses. Only constants within the allowed range should be used.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2024-06-28 16:29:12 +02:00 committed by Anas Nashif
parent 4ffb813110
commit fb53d2ef8d
1 changed files with 14 additions and 7 deletions
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21
soc/intel/intel_adsp/ace/asm_memory_management.h
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@ -12,9 +12,11 @@
#ifdef _ASMLANGUAGE
/* These definitions should be placed elsewhere, but I can't find a good place for them. */
#define LSPGCTL 0x71D80
#define MAX_MEMORY_SEGMENTS 1
#define EBB_SEGMENT_SIZE 32
#define LSPGCTL 0x71D80
#define LSPGCTL_HIGH (LSPGCTL >> 12)
#define LSPGCTL_LOW ((LSPGCTL >> 4) & 0xff)
#define MAX_MEMORY_SEGMENTS 1
#define EBB_SEGMENT_SIZE 32
#define PLATFORM_HPSRAM_EBB_COUNT 22
.macro m_ace_hpsram_power_change segment_index, mask, ax, ay, az, au, aw
@ -29,12 +31,15 @@
.else
.err
.endif
.set ebb_index, \segment_index << 5
.set i, 0 /* i = bank bit in segment */
rsr.sar \aw /* store old sar value */
movi \az, (0x17A800 + 0x0008 * ebb_index)/* SHIM_HSPGCTL(ebb_index) */
/* SHIM_HSPGCTL(ebb_index): 0x17a800 >> 11 == 0x2f5 */
movi \az, 0x2f5
slli \az, \az, 0xb
/* 8 * (\segment_index << 5) == (\segment_index << 5) << 3 == \segment_index << 8 */
addmi \az, \az, \segment_index
movi \au, i_end - 1 /* au = banks count in segment */
2 :
/* au = current bank in segment */
@ -57,7 +62,9 @@
.macro m_ace_lpsram_power_down_entire ax, ay, az, au
movi \au, 8 /* LPSRAM_EBB_QUANTITY */
movi \az, LSPGCTL
movi \az, LSPGCTL_LOW
addmi \az, \az, LSPGCTL_HIGH
slli \az, \az, 4
movi \ay, 1
2 :