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https://github.com/ARM-software/arm-trusted-firmware.git
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01ce1d5d2f
When the system is in idle or suspend state, SPM will turn off some unused system resources. This patch enables this feature to achieve power saving. Signed-off-by: Wenzhen Yu <wenzhen.yu@mediatek.com> Change-Id: Ia9764b91073c4765d41fe7fcd8e4a21372c290f1
157 lines
4.4 KiB
C
157 lines
4.4 KiB
C
/*
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* Copyright (c) 2025, Mediatek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MT_SPM_TRACE_H
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#define MT_SPM_TRACE_H
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#include <lib/mmio.h>
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#include <platform_def.h>
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enum mt_spm_sysram_type {
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MT_SPM_SYSRAM_COMMON,
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MT_SPM_SYSRAM_SUSPEND,
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MT_SPM_SYSRAM_LP,
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};
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/* SPM trace common type */
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enum mt_spm_trace_common_type {
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MT_SPM_TRACE_COMM_HAED,
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MT_SPM_TRACE_COMM_FP,
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MT_SPM_TRACE_COMM_RC_LAST_TIME_H,
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MT_SPM_TRACE_COMM_RC_LAST_TIME_L,
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MT_SPM_TRACE_COMM_RC_INFO,
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MT_SPM_TRACE_COMM_RC_FP,
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MT_SPM_TRACE_COMM_RC_VALID,
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};
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/* SPM trace suspend type */
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enum mt_spm_trace_suspend_type {
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MT_SPM_TRACE_SUSPEND_WAKE_SRC,
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};
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/*
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* SPM sram usage with mcdi sram
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* start offset : 0x500
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*/
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#define MT_SPM_SYSRAM_BASE (MTK_LPM_SRAM_BASE + 0x500)
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#define MT_SPM_SYSRAM_COMM_BASE MT_SPM_SYSRAM_BASE
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#define MT_SPM_SYSRAM_COMM_SZ 0x20
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#define MT_SPM_SYSRAM_SUSPEND_BASE \
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(MT_SPM_SYSRAM_BASE + MT_SPM_SYSRAM_COMM_SZ)
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#define MT_SPM_SYSRAM_SUSPEND_SZ 0xe0
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#define MT_SPM_SYSRAM_LP_BASE \
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(MT_SPM_SYSRAM_SUSPEND_BASE + MT_SPM_SYSRAM_SUSPEND_SZ)
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#define MT_SPM_SYSRAM_SLOT(slot) ((slot) << 2u)
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#ifndef MTK_PLAT_SPM_TRACE_UNSUPPORT
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#define MT_SPM_SYSRAM_W(_s, type, val, _sz) \
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mt_spm_sysram_write(_s, type, val, _sz)
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#define MT_SPM_SYSRAM_R_U32(addr, val) ({ \
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unsigned int *r_val = (unsigned int *)val; \
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if (r_val) \
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*r_val = mmio_read_32(addr); })
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#define MT_SPM_SYSRAM_R(_s, type, val) \
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mt_spm_sysram_read(_s, type, val)
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/* SPM trace common */
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#define MT_SPM_TRACE_INIT(_magic) ({ \
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mt_spm_sysram_init(_magic); })
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#define MT_SPM_TRACE_COMMON_U32_WR(_type, _val) ({ \
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mmio_write_32((MT_SPM_SYSRAM_COMM_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_COMMON_WR(_type, val, _sz) ({ \
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int ret = MT_SPM_SYSRAM_W(MT_SPM_SYSRAM_COMMON, \
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_type, val, _sz); ret; })
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#define MT_SPM_TRACE_COMMON_U32_RD(_type, _val) ({ \
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MT_SPM_SYSRAM_R_U32((MT_SPM_SYSRAM_COMM_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_COMMON_RD(_type, _val) ({ \
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int ret = MT_SPM_SYSRAM_R(MT_SPM_SYSRAM_COMMON, \
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_type, _val); ret; })
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/* SPM trace suspend */
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#define MT_SPM_TRACE_SUSPEND_U32_WR(_type, _val) ({ \
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mmio_write_32((MT_SPM_SYSRAM_SUSPEND_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_SUSPEND_WR(_type, _val, _sz) ({ \
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int ret = MT_SPM_SYSRAM_W(MT_SPM_SYSRAM_SUSPEND, \
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_type, _val, _sz); ret; })
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#define MT_SPM_TRACE_SUSPEND_U32_RD(_type, _val) ({\
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MT_SPM_SYSRAM_R_U32((MT_SPM_SYSRAM_SUSPEND_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_SUSPEND_RD(_type, _val) ({ \
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int ret = MT_SPM_SYSRAM_R(MT_SPM_SYSRAM_SUSPEND, \
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_type, _val); ret; })
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/* SPM trace low power */
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#define MT_SPM_TRACE_LP_U32_WR(_type, _val) ({ \
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mmio_write_32((MT_SPM_SYSRAM_LP_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_LP_WR(_type, _val, _sz) ({ \
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int ret = MT_SPM_SYSRAM_W(MT_SPM_SYSRAM_LP, \
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_type, _val, _sz); ret; })
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#define MT_SPM_TRACE_LP_U32_RD(_type, _val) ({ \
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MT_SPM_SYSRAM_R_U32((MT_SPM_SYSRAM_LP_BASE + \
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MT_SPM_SYSRAM_SLOT(_type)), _val); })
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#define MT_SPM_TRACE_LP_RD(_type, _val) ({ \
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int ret = MT_SPM_SYSRAM_R(MT_SPM_SYSRAM_LP, \
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_type, _val); ret; })
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#define MT_SPM_TRACE_LP_RINGBUF(_pval, _sz) ({ \
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int ret = mt_spm_sysram_lp_ringbuf_add(_pval, _sz); ret; })
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int mt_spm_sysram_lp_ringbuf_add(const void *val, unsigned int sz);
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int mt_spm_sysram_write(int section, int type, const void *val,
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unsigned int sz);
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int mt_spm_sysram_read(int section, int type, void *val);
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int mt_spm_sysram_init(unsigned int magic);
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#else
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/* SPM trace common */
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#define MT_SPM_TRACE_INIT(_magic)
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#define MT_SPM_TRACE_COMMON_U32_WR(type, val)
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#define MT_SPM_TRACE_COMMON_WR(val)
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#define MT_SPM_TRACE_COMMON_U32_RD(type, val)
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#define MT_SPM_TRACE_COMMON_RD(val)
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/* SPM trace suspend */
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#define MT_SPM_TRACE_SUSPEND_U32_WR(type, val)
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#define MT_SPM_TRACE_SUSPEND_WR(val)
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#define MT_SPM_TRACE_SUSPEND_U32_RD(type, val)
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#define MT_SPM_TRACE_SUSPEND_RD(val)
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/* SPM trace low power */
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#define MT_SPM_TRACE_LP_U32_WR(type, val)
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#define MT_SPM_TRACE_LP_WR(val)
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#define MT_SPM_TRACE_LP_U32_RD(type, val)
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#define MT_SPM_TRACE_LP_RD(val)
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#define MT_SPM_TRACE_LP_RINGBUF(pval, sz)
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#define mt_spm_sysram_lp_ringbuf_add(_val, _sz)
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#define mt_spm_sysram_write(_s, _type, _val, _sz)
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#define mt_spm_sysram_read(_s, _type, _val)
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#define mt_spm_sysram_init(_magic)
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#endif
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#endif /* MT_SPM_TRACE_H */
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