/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/mmio.h> #include <soc/dpm.h> #include <soc/mcu_common.h> #include <soc/symbols.h> static struct mtk_mcu dpm_mcu[] = { { .firmware_name = CONFIG_DPM_DM_FIRMWARE, .run_address = (void *)DPM_DM_SRAM_BASE, }, { .firmware_name = CONFIG_DPM_PM_FIRMWARE, .run_address = (void *)DPM_PM_SRAM_BASE, .priv = mtk_dpm, .reset = dpm_reset, }, }; void dpm_reset(struct mtk_mcu *mcu) { struct dpm_regs *dpm = mcu->priv; /* write bootargs */ write32(&dpm->twam_window_len, 0x0); write32(&dpm->twam_mon_type, 0x0); /* free RST */ setbits32(&dpm->sw_rstn, DPM_SW_RSTN_RESET); } int dpm_init(void) { int i; struct mtk_mcu *dpm; if (CONFIG(DPM_FOUR_CHANNEL)) if (dpm_4ch_init()) return -1; /* config DPM SRAM layout */ clrsetbits32(&mtk_dpm->sw_rstn, DPM_MEM_RATIO_MASK, DPM_MEM_RATIO_CFG1); for (i = 0; i < ARRAY_SIZE(dpm_mcu); i++) { dpm = &dpm_mcu[i]; dpm->load_buffer = _dram_dma; dpm->buffer_size = REGION_SIZE(dram_dma); if (mtk_init_mcu(dpm)) return -1; } if (CONFIG(DPM_FOUR_CHANNEL)) if (dpm_4ch_para_setting()) return -1; return 0; }