/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file is created based on MT8186 Functional Specification * Chapter number: 3.2 */ #include #include #include #include #include #include #include #include #include enum mux_id { TOP_AXI_SEL, TOP_SCP_SEL, TOP_MFG_SEL, TOP_CAMTG_SEL, TOP_CAMTG1_SEL, TOP_CAMTG2_SEL, TOP_CAMTG3_SEL, TOP_CAMTG4_SEL, TOP_CAMTG5_SEL, TOP_CAMTG6_SEL, TOP_UART_SEL, TOP_SPI_SEL, TOP_MSDC50_0_HCLK_SEL, TOP_MSDC50_0_SEL, TOP_MSDC30_1_SEL, TOP_AUDIO_SEL, TOP_AUD_INTBUS_SEL, TOP_AUD_1_SEL, TOP_AUD_2_SEL, TOP_AUD_ENGEN1_SEL, TOP_AUD_ENGEN2_SEL, TOP_DISP_PWM_SEL, TOP_SSPM_SEL, TOP_DXCC_SEL, TOP_USB_TOP_SEL, TOP_SRCK_SEL, TOP_SPM_SEL, TOP_I2C_SEL, TOP_PWM_SEL, TOP_SENINF_SEL, TOP_SENINF1_SEL, TOP_SENINF2_SEL, TOP_SENINF3_SEL, TOP_AES_MSDCFDE_SEL, TOP_PWRAP_ULPOSC_SEL, TOP_CAMTM_SEL, TOP_VENC_SEL, TOP_CAM_SEL, TOP_IMG1_SEL, TOP_IPE_SEL, TOP_DPMAIF_SEL, TOP_VDEC_SEL, TOP_DISP_SEL, TOP_MDP_SEL, TOP_AUDIO_H_SEL, TOP_UFS_SEL, TOP_AES_FDE_SEL, TOP_AUDIODSP_SEL, TOP_DVFSRC_SEL, TOP_DSI_OCC_SEL, TOP_SPMI_MST_SEL, TOP_SPINOR_SEL, TOP_NNA_SEL, TOP_NNA1_SEL, TOP_NNA2_SEL, TOP_SSUSB_XHCI_SEL, TOP_SSUSB_TOP_1P_SEL, TOP_SSUSB_XHCI_1P_SEL, TOP_WPE_SEL, TOP_MEM_SEL, TOP_DPI_SEL, TOP_U3_OCC_250M_SEL, TOP_U3_OCC_500M_SEL, TOP_ADSP_BUS_SEL, TOP_NR_MUX }; #define MUX(_id, _reg, _mux_shift, _mux_width) \ [_id] = { \ .reg = &mtk_topckgen->_reg, \ .mux_shift = _mux_shift, \ .mux_width = _mux_width, \ } #define MUX_UPD(_id, _reg, _mux_shift, _mux_width, _upd_reg, _upd_shift)\ [_id] = { \ .reg = &mtk_topckgen->_reg, \ .set_reg = &mtk_topckgen->_reg##_set, \ .clr_reg = &mtk_topckgen->_reg##_clr, \ .mux_shift = _mux_shift, \ .mux_width = _mux_width, \ .upd_reg = &mtk_topckgen->_upd_reg, \ .upd_shift = _upd_shift, \ } static const struct mux muxes[] = { /* CLK_CFG_0 */ MUX_UPD(TOP_AXI_SEL, clk_cfg_0, 0, 2, clk_cfg_update, 0), MUX_UPD(TOP_SCP_SEL, clk_cfg_0, 8, 3, clk_cfg_update, 1), MUX_UPD(TOP_MFG_SEL, clk_cfg_0, 16, 2, clk_cfg_update, 2), MUX_UPD(TOP_CAMTG_SEL, clk_cfg_0, 24, 3, clk_cfg_update, 3), /* CLK_CFG_1 */ MUX_UPD(TOP_CAMTG1_SEL, clk_cfg_1, 0, 3, clk_cfg_update, 4), MUX_UPD(TOP_CAMTG2_SEL, clk_cfg_1, 8, 3, clk_cfg_update, 5), MUX_UPD(TOP_CAMTG3_SEL, clk_cfg_1, 16, 3, clk_cfg_update, 6), MUX_UPD(TOP_CAMTG4_SEL, clk_cfg_1, 24, 3, clk_cfg_update, 7), /* CLK_CFG_2 */ MUX_UPD(TOP_CAMTG5_SEL, clk_cfg_2, 0, 3, clk_cfg_update, 8), MUX_UPD(TOP_CAMTG6_SEL, clk_cfg_2, 8, 3, clk_cfg_update, 9), MUX_UPD(TOP_UART_SEL, clk_cfg_2, 16, 1, clk_cfg_update, 10), MUX_UPD(TOP_SPI_SEL, clk_cfg_2, 24, 3, clk_cfg_update, 11), /* CLK_CFG_3 */ MUX_UPD(TOP_MSDC50_0_HCLK_SEL, clk_cfg_3, 0, 2, clk_cfg_update, 12), MUX_UPD(TOP_MSDC50_0_SEL, clk_cfg_3, 8, 3, clk_cfg_update, 13), MUX_UPD(TOP_MSDC30_1_SEL, clk_cfg_3, 16, 3, clk_cfg_update, 14), MUX_UPD(TOP_AUDIO_SEL, clk_cfg_3, 24, 2, clk_cfg_update, 15), /* CLK_CFG_4 */ MUX_UPD(TOP_AUD_INTBUS_SEL, clk_cfg_4, 0, 2, clk_cfg_update, 16), MUX_UPD(TOP_AUD_1_SEL, clk_cfg_4, 8, 1, clk_cfg_update, 17), MUX_UPD(TOP_AUD_2_SEL, clk_cfg_4, 16, 1, clk_cfg_update, 18), MUX_UPD(TOP_AUD_ENGEN1_SEL, clk_cfg_4, 24, 2, clk_cfg_update, 19), /* CLK_CFG_5 */ MUX_UPD(TOP_AUD_ENGEN2_SEL, clk_cfg_5, 0, 2, clk_cfg_update, 20), MUX_UPD(TOP_DISP_PWM_SEL, clk_cfg_5, 8, 3, clk_cfg_update, 21), MUX_UPD(TOP_SSPM_SEL, clk_cfg_5, 16, 3, clk_cfg_update, 22), MUX_UPD(TOP_DXCC_SEL, clk_cfg_5, 24, 2, clk_cfg_update, 23), /* CLK_CFG_6 */ MUX_UPD(TOP_USB_TOP_SEL, clk_cfg_6, 0, 2, clk_cfg_update, 24), MUX_UPD(TOP_SRCK_SEL, clk_cfg_6, 8, 2, clk_cfg_update, 25), MUX_UPD(TOP_SPM_SEL, clk_cfg_6, 16, 2, clk_cfg_update, 26), MUX_UPD(TOP_I2C_SEL, clk_cfg_6, 24, 2, clk_cfg_update, 27), /* CLK_CFG_7 */ MUX_UPD(TOP_PWM_SEL, clk_cfg_7, 0, 2, clk_cfg_update, 28), MUX_UPD(TOP_SENINF_SEL, clk_cfg_7, 8, 2, clk_cfg_update, 29), MUX_UPD(TOP_SENINF1_SEL, clk_cfg_7, 16, 2, clk_cfg_update, 30), MUX_UPD(TOP_SENINF2_SEL, clk_cfg_7, 24, 2, clk_cfg_update1, 0), /* CLK_CFG_8 */ MUX_UPD(TOP_SENINF3_SEL, clk_cfg_8, 0, 2, clk_cfg_update1, 1), MUX_UPD(TOP_AES_MSDCFDE_SEL, clk_cfg_8, 8, 3, clk_cfg_update1, 2), MUX_UPD(TOP_PWRAP_ULPOSC_SEL, clk_cfg_8, 16, 3, clk_cfg_update1, 3), MUX_UPD(TOP_CAMTM_SEL, clk_cfg_8, 24, 2, clk_cfg_update1, 4), /* CLK_CFG_9 */ MUX_UPD(TOP_VENC_SEL, clk_cfg_9, 0, 3, clk_cfg_update1, 5), MUX_UPD(TOP_CAM_SEL, clk_cfg_9, 8, 4, clk_cfg_update1, 6), MUX_UPD(TOP_IMG1_SEL, clk_cfg_9, 16, 4, clk_cfg_update1, 7), MUX_UPD(TOP_IPE_SEL, clk_cfg_9, 24, 4, clk_cfg_update1, 8), /* CLK_CFG_10 */ MUX_UPD(TOP_DPMAIF_SEL, clk_cfg_10, 0, 3, clk_cfg_update1, 9), MUX_UPD(TOP_VDEC_SEL, clk_cfg_10, 8, 3, clk_cfg_update1, 10), MUX_UPD(TOP_DISP_SEL, clk_cfg_10, 16, 4, clk_cfg_update1, 11), MUX_UPD(TOP_MDP_SEL, clk_cfg_10, 24, 4, clk_cfg_update1, 12), /* CLK_CFG_11 */ MUX_UPD(TOP_AUDIO_H_SEL, clk_cfg_11, 0, 2, clk_cfg_update1, 13), MUX_UPD(TOP_UFS_SEL, clk_cfg_11, 8, 2, clk_cfg_update1, 14), MUX_UPD(TOP_AES_FDE_SEL, clk_cfg_11, 16, 2, clk_cfg_update1, 15), MUX_UPD(TOP_AUDIODSP_SEL, clk_cfg_11, 24, 3, clk_cfg_update1, 16), /* CLK_CFG_12 */ MUX_UPD(TOP_DSI_OCC_SEL, clk_cfg_12, 8, 2, clk_cfg_update1, 18), MUX_UPD(TOP_SPMI_MST_SEL, clk_cfg_12, 16, 3, clk_cfg_update1, 19), /* CLK_CFG_13 */ MUX_UPD(TOP_SPINOR_SEL, clk_cfg_13, 0, 3, clk_cfg_update1, 20), MUX_UPD(TOP_NNA_SEL, clk_cfg_13, 7, 4, clk_cfg_update1, 21), MUX_UPD(TOP_NNA1_SEL, clk_cfg_13, 15, 4, clk_cfg_update1, 22), MUX_UPD(TOP_NNA2_SEL, clk_cfg_13, 23, 4, clk_cfg_update1, 23), /* CLK_CFG_14 */ MUX_UPD(TOP_SSUSB_XHCI_SEL, clk_cfg_14, 0, 2, clk_cfg_update1, 24), MUX_UPD(TOP_SSUSB_TOP_1P_SEL, clk_cfg_14, 6, 2, clk_cfg_update1, 25), MUX_UPD(TOP_SSUSB_XHCI_1P_SEL, clk_cfg_14, 12, 2, clk_cfg_update1, 26), MUX_UPD(TOP_WPE_SEL, clk_cfg_14, 18, 4, clk_cfg_update1, 27), /* CLK_CFG_15 */ MUX_UPD(TOP_DPI_SEL, clk_cfg_15, 0, 3, clk_cfg_update1, 28), MUX_UPD(TOP_U3_OCC_250M_SEL, clk_cfg_15, 7, 1, clk_cfg_update1, 29), MUX_UPD(TOP_U3_OCC_500M_SEL, clk_cfg_15, 12, 1, clk_cfg_update1, 30), MUX_UPD(TOP_ADSP_BUS_SEL, clk_cfg_15, 17, 3, clk_cfg_update1, 31), }; struct mux_sel { enum mux_id id; u32 sel; }; static const struct mux_sel mux_sels[] = { /* CLK_CFG_0 */ { .id = TOP_AXI_SEL, .sel = 1 }, /* 1: mainpll_d7 */ { .id = TOP_SCP_SEL, .sel = 3 }, /* 3: mainpll_d2_d2 */ { .id = TOP_MFG_SEL, .sel = 1 }, /* 1: mfgpll_ck */ { .id = TOP_CAMTG_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ /* CLK_CFG_1 */ { .id = TOP_CAMTG1_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ { .id = TOP_CAMTG2_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ { .id = TOP_CAMTG3_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ { .id = TOP_CAMTG4_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ /* CLK_CFG_2 */ { .id = TOP_CAMTG5_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ { .id = TOP_CAMTG6_SEL, .sel = 2 }, /* 2: univpll_d3_d8 */ { .id = TOP_UART_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_SPI_SEL, .sel = 7 }, /* 7: mainpll_d5 */ /* CLK_CFG_3 */ { .id = TOP_MSDC50_0_HCLK_SEL, .sel = 1 }, /* 1: mainpll_d2_d2 */ { .id = TOP_MSDC50_0_SEL, .sel = 1 }, /* 1: msdcpll_ck */ { .id = TOP_MSDC30_1_SEL, .sel = 1 }, /* 1: msdcpll_d2 */ { .id = TOP_AUDIO_SEL, .sel = 1 }, /* 1: mainpll_d5_d4 */ /* CLK_CFG_4 */ { .id = TOP_AUD_INTBUS_SEL, .sel = 1 }, /* 1: mainpll_d2_d4 */ { .id = TOP_AUD_1_SEL, .sel = 1 }, /* 1: apll1_ck */ { .id = TOP_AUD_2_SEL, .sel = 1 }, /* 1: apll2_ck */ { .id = TOP_AUD_ENGEN1_SEL, .sel = 3 }, /* 3: apll1_d8 */ /* CLK_CFG_5 */ { .id = TOP_AUD_ENGEN2_SEL, .sel = 3 }, /* 3: apll2_d8 */ { .id = TOP_DISP_PWM_SEL, .sel = 1 }, /* 1: univpll_d5_d2 */ { .id = TOP_SSPM_SEL, .sel = 1 }, /* 1: mainpll_d2_d2 */ { .id = TOP_DXCC_SEL, .sel = 1 }, /* 1: mainpll_d2_d2 */ /* CLK_CFG_6 */ { .id = TOP_USB_TOP_SEL, .sel = 2 }, /* 2: univpll_d5_d2 */ { .id = TOP_SRCK_SEL, .sel = 2 }, /* 2: ulposc1_d10 */ { .id = TOP_SPM_SEL, .sel = 3 }, /* 3: mainpll_d7_d2 */ { .id = TOP_I2C_SEL, .sel = 3 }, /* 3: univpll_d5_d2 */ /* CLK_CFG_7 */ { .id = TOP_PWM_SEL, .sel = 3 }, /* 3: univpll_d2_d4 */ { .id = TOP_SENINF_SEL, .sel = 3 }, /* 3: univpll_d3_d2 */ { .id = TOP_SENINF1_SEL, .sel = 3 }, /* 3: univpll_d3_d2 */ { .id = TOP_SENINF2_SEL, .sel = 3 }, /* 3: univpll_d3_d2 */ /* CLK_CFG_8 */ { .id = TOP_SENINF3_SEL, .sel = 3 }, /* 3: univpll_d3_d2 */ { .id = TOP_AES_MSDCFDE_SEL, .sel = 1 }, /* 1: univpll_d3 */ { .id = TOP_PWRAP_ULPOSC_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_CAMTM_SEL, .sel = 2 }, /* 2: univpll_d3_d2 */ /* CLK_CFG_9 */ { .id = TOP_VENC_SEL, .sel = 6 }, /* 6: mainpll_d3 */ { .id = TOP_CAM_SEL, .sel = 7 }, /* 7: univpll_d2_d2 */ { .id = TOP_IMG1_SEL, .sel = 7 }, /* 7: univpll_d2_d2 */ { .id = TOP_IPE_SEL, .sel = 7 }, /* 7: univpll_d2_d2 */ /* CLK_CFG_10 */ { .id = TOP_DPMAIF_SEL, .sel = 1 }, /* 1: univpll_d2_d2 */ { .id = TOP_VDEC_SEL, .sel = 6 }, /* 6: univpll_d2_d2 */ { .id = TOP_DISP_SEL, .sel = 8 }, /* 8: mmpll_ck */ { .id = TOP_MDP_SEL, .sel = 8 }, /* 8: mmpll_ck */ /* CLK_CFG_11 */ { .id = TOP_AUDIO_H_SEL, .sel = 3 }, /* 3: apll2_ck */ { .id = TOP_UFS_SEL, .sel = 1 }, /* 1: mainpll_d7 */ { .id = TOP_AES_FDE_SEL, .sel = 1 }, /* 1: univpll_d3 */ { .id = TOP_AUDIODSP_SEL, .sel = 0 }, /* 0: clk26m */ /* CLK_CFG_12 */ { .id = TOP_DSI_OCC_SEL, .sel = 1 }, /* 1: univpll_d3_d2 */ { .id = TOP_SPMI_MST_SEL, .sel = 2 }, /* 2: ulposc1_d4 */ /* CLK_CFG_13 */ { .id = TOP_SPINOR_SEL, .sel = 3 }, /* 3: univpll_d3_d8 */ { .id = TOP_NNA_SEL, .sel = 14 }, /* 14: nnapll_ck */ { .id = TOP_NNA1_SEL, .sel = 14 }, /* 14: nnapll_ck */ { .id = TOP_NNA2_SEL, .sel = 15 }, /* 15: nna2pll_ck */ /* CLK_CFG_14 */ { .id = TOP_SSUSB_XHCI_SEL, .sel = 2 }, /* 2: univpll_d5_d2 */ { .id = TOP_SSUSB_TOP_1P_SEL, .sel = 2 }, /* 2: univpll_d5_d2 */ { .id = TOP_SSUSB_XHCI_1P_SEL, .sel = 2 }, /* 2: univpll_d5_d2 */ { .id = TOP_WPE_SEL, .sel = 8 }, /* 8: mmpll_ck */ /* CLK_CFG_15 */ { .id = TOP_DPI_SEL, .sel = 1 }, /* 1: tvdpll_ck */ { .id = TOP_U3_OCC_250M_SEL, .sel = 1 }, /* 1: univpll_d5 */ { .id = TOP_U3_OCC_500M_SEL, .sel = 1 }, /* 1: nna2pll_d2 */ { .id = TOP_ADSP_BUS_SEL, .sel = 3 }, /* 3: mainpll_d2_d2 */ }; enum pll_id { APMIXED_ARMPLL_LL, APMIXED_ARMPLL_BL, APMIXED_CCIPLL, APMIXED_MAINPLL, APMIXED_UNIV2PLL, APMIXED_MSDCPLL, APMIXED_MMPLL, APMIXED_NNAPLL, APMIXED_NNA2PLL, APMIXED_ADSPPLL, APMIXED_MFGPLL, APMIXED_TVDPLL, APMIXED_APLL1, APMIXED_APLL2, APMIXED_PLL_MAX }; static const u32 pll_div_rate[] = { 3800UL * MHz, 1900 * MHz, 950 * MHz, 475 * MHz, 237500 * KHz, 0, }; static const struct pll plls[] = { PLL(APMIXED_ARMPLL_LL, armpll_ll_con0, armpll_ll_con3, NO_RSTB_SHIFT, 22, armpll_ll_con1, 24, armpll_ll_con1, 0, pll_div_rate), PLL(APMIXED_ARMPLL_BL, armpll_bl_con0, armpll_bl_con3, NO_RSTB_SHIFT, 22, armpll_bl_con1, 24, armpll_bl_con1, 0, pll_div_rate), PLL(APMIXED_CCIPLL, ccipll_con0, ccipll_con3, NO_RSTB_SHIFT, 22, ccipll_con1, 24, ccipll_con1, 0, pll_div_rate), PLL(APMIXED_MAINPLL, mainpll_con0, mainpll_con3, 23, 22, mainpll_con1, 24, mainpll_con1, 0, pll_div_rate), PLL(APMIXED_UNIV2PLL, univpll_con0, univpll_con3, 23, 22, univpll_con1, 24, univpll_con1, 0, pll_div_rate), PLL(APMIXED_MSDCPLL, msdcpll_con0, msdcpll_con3, NO_RSTB_SHIFT, 22, msdcpll_con1, 24, msdcpll_con1, 0, pll_div_rate), PLL(APMIXED_MMPLL, mmpll_con0, mmpll_con3, NO_RSTB_SHIFT, 22, mmpll_con1, 24, mmpll_con1, 0, pll_div_rate), PLL(APMIXED_NNAPLL, nnapll_con0, nnapll_con3, NO_RSTB_SHIFT, 22, nnapll_con1, 24, nnapll_con1, 0, pll_div_rate), PLL(APMIXED_NNA2PLL, nna2pll_con0, nna2pll_con3, NO_RSTB_SHIFT, 22, nna2pll_con1, 24, nna2pll_con1, 0, pll_div_rate), PLL(APMIXED_ADSPPLL, adsppll_con0, adsppll_con3, NO_RSTB_SHIFT, 22, adsppll_con1, 24, adsppll_con1, 0, pll_div_rate), PLL(APMIXED_MFGPLL, mfgpll_con0, mfgpll_con3, NO_RSTB_SHIFT, 22, mfgpll_con1, 24, mfgpll_con1, 0, pll_div_rate), PLL(APMIXED_TVDPLL, tvdpll_con0, tvdpll_con3, NO_RSTB_SHIFT, 22, tvdpll_con1, 24, tvdpll_con1, 0, pll_div_rate), PLL(APMIXED_APLL1, apll1_con0, apll1_con4, NO_RSTB_SHIFT, 32, apll1_con1, 24, apll1_con2, 0, pll_div_rate), PLL(APMIXED_APLL2, apll2_con0, apll2_con4, NO_RSTB_SHIFT, 32, apll2_con1, 24, apll2_con2, 0, pll_div_rate), }; struct rate { enum pll_id id; u32 rate; }; static const struct rate rates[] = { { .id = APMIXED_ARMPLL_LL, .rate = ARMPLL_LL_HZ }, { .id = APMIXED_ARMPLL_BL, .rate = ARMPLL_BL_HZ }, { .id = APMIXED_CCIPLL, .rate = CCIPLL_HZ }, { .id = APMIXED_MAINPLL, .rate = MAINPLL_HZ }, { .id = APMIXED_UNIV2PLL, .rate = UNIV2PLL_HZ }, { .id = APMIXED_MSDCPLL, .rate = MSDCPLL_HZ }, { .id = APMIXED_MMPLL, .rate = MMPLL_HZ }, { .id = APMIXED_NNAPLL, .rate = NNAPLL_HZ }, { .id = APMIXED_NNA2PLL, .rate = NNA2PLL_HZ }, { .id = APMIXED_ADSPPLL, .rate = ADSPPLL_HZ }, { .id = APMIXED_MFGPLL, .rate = MFGPLL_HZ }, { .id = APMIXED_TVDPLL, .rate = TVDPLL_HZ }, { .id = APMIXED_APLL1, .rate = APLL1_HZ }, { .id = APMIXED_APLL2, .rate = APLL2_HZ }, }; void pll_set_pcw_change(const struct pll *pll) { setbits32(pll->div_reg, PLL_PCW_CHG); } void mt_pll_init(void) { int i; /* enable clock square */ setbits32(&mtk_apmixed->ap_pll_con0, BIT(0)); udelay(PLL_CKSQ_ON_DELAY); /* enable clock square1 low-pass filter */ setbits32(&mtk_apmixed->ap_pll_con0, BIT(1)); /* xPLL PWR ON */ for (i = 0; i < APMIXED_PLL_MAX; i++) setbits32(plls[i].pwr_reg, PLL_PWR_ON); udelay(PLL_PWR_ON_DELAY); /* xPLL ISO Disable */ for (i = 0; i < APMIXED_PLL_MAX; i++) clrbits32(plls[i].pwr_reg, PLL_ISO); udelay(PLL_ISO_DELAY); /* disable glitch free if rate < 374MHz */ for (i = 0; i < ARRAY_SIZE(rates); i++) { if (rates[i].rate < 374 * MHz) clrbits32(plls[rates[i].id].reg, GLITCH_FREE_EN); } /* xPLL Frequency Set */ for (i = 0; i < ARRAY_SIZE(rates); i++) pll_set_rate(&plls[rates[i].id], rates[i].rate); /* AUDPLL Tuner Frequency Set */ write32(&mtk_apmixed->apll1_tuner_con0, read32(&mtk_apmixed->apll1_con2) + 1); write32(&mtk_apmixed->apll2_tuner_con0, read32(&mtk_apmixed->apll2_con2) + 1); /* xPLL Frequency Enable */ for (i = 0; i < APMIXED_PLL_MAX; i++) setbits32(plls[i].reg, MT8186_PLL_EN); /* wait for PLL stable */ udelay(PLL_EN_DELAY); /* xPLL DIV Enable & RSTB */ for (i = 0; i < APMIXED_PLL_MAX; i++) { if (plls[i].rstb_shift != NO_RSTB_SHIFT) { setbits32(plls[i].reg, PLL_DIV_EN); setbits32(plls[i].reg, 1 << plls[i].rstb_shift); } } /* MCUCFG CLKMUX */ setbits32(&mtk_topckgen->clk_misc_cfg_0, ARMPLL_DIVIDER_PLL1_EN); setbits32(&mtk_topckgen->clk_misc_cfg_0, ARMPLL_DIVIDER_PLL2_EN); clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg1, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL); clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg1, MCU_MUX_MASK, MCU_MUX_SRC_PLL); clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL); write32(&mt8186_infracfg_ao->infra_bus_dcm_ctrl, 0x805f0603); write32(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, 0xb07f0603); /* dcm_infracfg_ao_audio_bus and dcm_infracfg_ao_icusb_bus */ SET32_BITFIELDS(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, INFRACFG_AO_AUDIO_BUS_REG0, 0, INFRACFG_AO_ICUSB_BUS_REG0, 0, INFRACFG_AO_AUDIO_BUS_REG0, 1, INFRACFG_AO_ICUSB_BUS_REG0, 1); /* dcm_infracfg_ao_infra_bus */ SET32_BITFIELDS(&mt8186_infracfg_ao->infra_bus_dcm_ctrl, INFRACFG_AO_INFRA_BUS_REG0_0, 0, INFRACFG_AO_INFRA_BUS_REG0_1, 0, INFRACFG_AO_INFRA_BUS_REG0_2, 0, INFRACFG_AO_INFRA_BUS_REG0_0, 0x603, INFRACFG_AO_INFRA_BUS_REG0_1, 0xF, INFRACFG_AO_INFRA_BUS_REG0_2, 1); /* dcm_infracfg_ao_p2p_rx_clk */ SET32_BITFIELDS(&mt8186_infracfg_ao->p2p_rx_clk_on, INFRACFG_AO_P2P_RX_CLK_REG0_MASK_0, 0, INFRACFG_AO_P2P_RX_CLK_REG0_MASK_1, 0, INFRACFG_AO_P2P_RX_CLK_REG0_MASK_1, 1); /* dcm_infracfg_ao_peri_bus */ SET32_BITFIELDS(&mt8186_infracfg_ao->peri_bus_dcm_ctrl, INFRACFG_AO_PERI_BUS_REG0_0, 0, INFRACFG_AO_PERI_BUS_REG0_1, 0, INFRACFG_AO_PERI_BUS_REG0_2, 0, INFRACFG_AO_PERI_BUS_REG0_0, 3, INFRACFG_AO_PERI_BUS_REG0_1, 0xFF07C, INFRACFG_AO_PERI_BUS_REG0_2, 1); for (i = 0; i < ARRAY_SIZE(mux_sels); i++) mux_set_sel(&muxes[mux_sels[i].id], mux_sels[i].sel); /* [4] SCP_CORE_CK_CG, [5] SEJ_CG */ write32(&mt8186_infracfg_ao->module_sw_cg_0_clr, 0x00000030); /* [7] DVFSRC_CG, [20] DEVICE_APC_CG */ write32(&mt8186_infracfg_ao->module_sw_cg_1_clr, 0x00100080); /* [15] SEJ_F13M_CK_CG, [16] AES_TOP0_BCLK_CK_CG */ write32(&mt8186_infracfg_ao->module_sw_cg_3_clr, 0x00018000); } void mt_pll_raise_little_cpu_freq(u32 freq) { /* switch clock source to intermediate clock */ clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_26M); /* disable armpll_ll frequency output */ clrbits32(plls[APMIXED_ARMPLL_LL].reg, MT8186_PLL_EN); /* raise armpll_ll frequency */ pll_set_rate(&plls[APMIXED_ARMPLL_LL], freq); /* enable armpll_ll frequency output */ setbits32(plls[APMIXED_ARMPLL_LL].reg, MT8186_PLL_EN); udelay(PLL_EN_DELAY); /* switch clock source back to armpll_ll */ clrsetbits32(&mtk_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL); } void mt_pll_raise_cci_freq(u32 freq) { /* switch clock source to intermediate clock */ clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_26M); /* disable ccipll frequency output */ clrbits32(plls[APMIXED_CCIPLL].reg, MT8186_PLL_EN); /* raise ccipll frequency */ pll_set_rate(&plls[APMIXED_CCIPLL], freq); /* enable ccipll frequency output */ setbits32(plls[APMIXED_CCIPLL].reg, MT8186_PLL_EN); udelay(PLL_EN_DELAY); /* switch clock source back to ccipll */ clrsetbits32(&mtk_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL); } u32 mt_fmeter_get_freq_khz(enum fmeter_type type, u32 id) { u32 output, count, clk_dbg_cfg, clk_misc_cfg_0, clk26cali_0, clk26cali_1; /* backup */ clk_dbg_cfg = read32(&mtk_topckgen->clk_dbg_cfg); clk_misc_cfg_0 = read32(&mtk_topckgen->clk_misc_cfg_0); clk26cali_0 = read32(&mtk_topckgen->clk26cali_0); clk26cali_1 = read32(&mtk_topckgen->clk26cali_1); /* set up frequency meter */ if (type == FMETER_ABIST) { SET32_BITFIELDS(&mtk_topckgen->clk_dbg_cfg, CLK_DBG_CFG_ABIST_CK_SEL, id, CLK_DBG_CFG_CKGEN_CK_SEL, 0, CLK_DBG_CFG_METER_CK_SEL, 0); SET32_BITFIELDS(&mtk_topckgen->clk_misc_cfg_0, CLK_MISC_CFG_0_METER_DIV, 1); } else if (type == FMETER_CKGEN) { SET32_BITFIELDS(&mtk_topckgen->clk_dbg_cfg, CLK_DBG_CFG_ABIST_CK_SEL, 0, CLK_DBG_CFG_CKGEN_CK_SEL, id, CLK_DBG_CFG_METER_CK_SEL, 1); SET32_BITFIELDS(&mtk_topckgen->clk_misc_cfg_0, CLK_MISC_CFG_0_METER_DIV, 0); } else { die("unsupported fmeter type\n"); } /* enable frequency meter */ SET32_BITFIELDS(&mtk_topckgen->clk26cali_0, CLK26CALI_0_ENABLE, 1); /* trigger frequency meter */ SET32_BITFIELDS(&mtk_topckgen->clk26cali_0, CLK26CALI_0_TRIGGER, 1); /* wait frequency meter until finished */ if (wait_us(200, !READ32_BITFIELD(&mtk_topckgen->clk26cali_0, CLK26CALI_0_TRIGGER))) { count = read32(&mtk_topckgen->clk26cali_1) & 0xffff; output = (count * 26000) / 1024; /* KHz */ } else { output = 0; } /* restore */ write32(&mtk_topckgen->clk_dbg_cfg, clk_dbg_cfg); write32(&mtk_topckgen->clk_misc_cfg_0, clk_misc_cfg_0); write32(&mtk_topckgen->clk26cali_0, clk26cali_0); write32(&mtk_topckgen->clk26cali_1, clk26cali_1); if (type == FMETER_ABIST) return output * 2; else if (type == FMETER_CKGEN) return output; return 0; }