/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include enum mux_id { TOP_AXI_SEL, TOP_SPM_SEL, TOP_SCP_SEL, TOP_BUS_AXIMEM_SEL, TOP_DISP_SEL, TOP_MDP_SEL, TOP_IMG1_SEL, TOP_IMG2_SEL, TOP_IPE_SEL, TOP_DPE_SEL, TOP_CAM_SEL, TOP_CCU_SEL, TOP_DSP_SEL, TOP_DSP7_SEL, TOP_MFG_REF_SEL, TOP_MFG_PLL_SEL, TOP_CAMTG_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_MSDC30_2_SEL, TOP_AUDIO_SEL, TOP_AUD_INTBUS_SEL, TOP_PWRAP_ULPOSC_SEL, TOP_ATB_SEL, TOP_PWRMCU_SEL, TOP_DPI_SEL, TOP_SCAM_SEL, TOP_DISP_PWM_SEL, TOP_USB_TOP_SEL, TOP_SSUSB_XHCI_SEL, TOP_I2C_SEL, TOP_SENINF_SEL, TOP_SENINF1_SEL, TOP_SENINF2_SEL, TOP_SENINF3_SEL, TOP_TL_SEL, TOP_DXCC_SEL, TOP_AUD_ENGEN1_SEL, TOP_AUD_ENGEN2_SEL, TOP_AES_UFSFDE_SEL, TOP_UFS_SEL, TOP_AUD_1_SEL, TOP_AUD_2_SEL, TOP_ADSP_SEL, TOP_DPMAIF_MAIN_SEL, TOP_VENC_SEL, TOP_VDEC_SEL, TOP_CAMTM_SEL, TOP_PWM_SEL, TOP_AUDIO_H_SEL, TOP_SPMI_MST_SEL, TOP_DVFSRC_SEL, TOP_AES_MSDCFDE_SEL, TOP_MCUPM_SEL, TOP_SFLASH_SEL, TOP_NR_MUX }; #define MUX(_id, _reg, _mux_shift, _mux_width) \ [_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 = NULL, \ .upd_shift = 0, \ } #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, 3, clk_cfg_update, 0), MUX_UPD(TOP_SPM_SEL, clk_cfg_0, 8, 2, clk_cfg_update, 1), MUX_UPD(TOP_SCP_SEL, clk_cfg_0, 16, 3, clk_cfg_update, 2), MUX_UPD(TOP_BUS_AXIMEM_SEL, clk_cfg_0, 24, 3, clk_cfg_update, 3), /* CLK_CFG_1 */ MUX_UPD(TOP_DISP_SEL, clk_cfg_1, 0, 4, clk_cfg_update, 4), MUX_UPD(TOP_MDP_SEL, clk_cfg_1, 8, 4, clk_cfg_update, 5), MUX_UPD(TOP_IMG1_SEL, clk_cfg_1, 16, 4, clk_cfg_update, 6), MUX_UPD(TOP_IMG2_SEL, clk_cfg_1, 24, 4, clk_cfg_update, 7), /* CLK_CFG_2 */ MUX_UPD(TOP_IPE_SEL, clk_cfg_2, 0, 4, clk_cfg_update, 8), MUX_UPD(TOP_DPE_SEL, clk_cfg_2, 8, 3, clk_cfg_update, 9), MUX_UPD(TOP_CAM_SEL, clk_cfg_2, 16, 4, clk_cfg_update, 10), MUX_UPD(TOP_CCU_SEL, clk_cfg_2, 24, 4, clk_cfg_update, 11), /* CLK_CFG_3 */ MUX_UPD(TOP_DSP_SEL, clk_cfg_3, 0, 3, clk_cfg_update, 12), /* CLK_CFG_4 */ MUX_UPD(TOP_DSP7_SEL, clk_cfg_4, 0, 3, clk_cfg_update, 16), MUX_UPD(TOP_MFG_REF_SEL, clk_cfg_4, 16, 2, clk_cfg_update, 18), MUX(TOP_MFG_PLL_SEL, clk_cfg_4, 18, 1), MUX_UPD(TOP_CAMTG_SEL, clk_cfg_4, 24, 3, clk_cfg_update, 19), /* CLK_CFG_5 */ MUX_UPD(TOP_CAMTG2_SEL, clk_cfg_5, 0, 3, clk_cfg_update, 20), MUX_UPD(TOP_CAMTG3_SEL, clk_cfg_5, 8, 3, clk_cfg_update, 21), MUX_UPD(TOP_CAMTG4_SEL, clk_cfg_5, 16, 3, clk_cfg_update, 22), MUX_UPD(TOP_CAMTG5_SEL, clk_cfg_5, 24, 3, clk_cfg_update, 23), /* CLK_CFG_6 */ MUX_UPD(TOP_CAMTG6_SEL, clk_cfg_6, 0, 3, clk_cfg_update, 24), MUX_UPD(TOP_UART_SEL, clk_cfg_6, 8, 1, clk_cfg_update, 25), MUX_UPD(TOP_SPI_SEL, clk_cfg_6, 16, 2, clk_cfg_update, 26), MUX_UPD(TOP_MSDC50_0_HCLK_SEL, clk_cfg_6, 24, 2, clk_cfg_update, 27), /* CLK_CFG_7 */ MUX_UPD(TOP_MSDC50_0_SEL, clk_cfg_7, 0, 3, clk_cfg_update, 28), MUX_UPD(TOP_MSDC30_1_SEL, clk_cfg_7, 8, 3, clk_cfg_update, 29), MUX_UPD(TOP_MSDC30_2_SEL, clk_cfg_7, 16, 3, clk_cfg_update, 30), MUX_UPD(TOP_AUDIO_SEL, clk_cfg_7, 24, 2, clk_cfg_update1, 0), /* CLK_CFG_8 */ MUX_UPD(TOP_AUD_INTBUS_SEL, clk_cfg_8, 0, 2, clk_cfg_update1, 1), MUX_UPD(TOP_PWRAP_ULPOSC_SEL, clk_cfg_8, 8, 3, clk_cfg_update1, 2), MUX_UPD(TOP_ATB_SEL, clk_cfg_8, 16, 2, clk_cfg_update1, 3), MUX_UPD(TOP_PWRMCU_SEL, clk_cfg_8, 24, 3, clk_cfg_update1, 4), /* CLK_CFG_9 */ MUX_UPD(TOP_DPI_SEL, clk_cfg_9, 0, 3, clk_cfg_update1, 5), MUX_UPD(TOP_SCAM_SEL, clk_cfg_9, 8, 1, clk_cfg_update1, 6), MUX_UPD(TOP_DISP_PWM_SEL, clk_cfg_9, 16, 3, clk_cfg_update1, 7), MUX_UPD(TOP_USB_TOP_SEL, clk_cfg_9, 24, 2, clk_cfg_update1, 8), /* CLK_CFG_10 */ MUX_UPD(TOP_SSUSB_XHCI_SEL, clk_cfg_10, 0, 2, clk_cfg_update1, 9), MUX_UPD(TOP_I2C_SEL, clk_cfg_10, 8, 2, clk_cfg_update1, 10), MUX_UPD(TOP_SENINF_SEL, clk_cfg_10, 16, 3, clk_cfg_update1, 11), MUX_UPD(TOP_SENINF1_SEL, clk_cfg_10, 24, 3, clk_cfg_update1, 12), /* CLK_CFG_11 */ MUX_UPD(TOP_SENINF2_SEL, clk_cfg_11, 0, 3, clk_cfg_update1, 13), MUX_UPD(TOP_SENINF3_SEL, clk_cfg_11, 8, 3, clk_cfg_update1, 14), MUX_UPD(TOP_TL_SEL, clk_cfg_11, 16, 2, clk_cfg_update1, 15), MUX_UPD(TOP_DXCC_SEL, clk_cfg_11, 24, 2, clk_cfg_update1, 16), /* CLK_CFG_12 */ MUX_UPD(TOP_AUD_ENGEN1_SEL, clk_cfg_12, 0, 2, clk_cfg_update1, 17), MUX_UPD(TOP_AUD_ENGEN2_SEL, clk_cfg_12, 8, 2, clk_cfg_update1, 18), MUX_UPD(TOP_AES_UFSFDE_SEL, clk_cfg_12, 16, 3, clk_cfg_update1, 19), MUX_UPD(TOP_UFS_SEL, clk_cfg_12, 24, 3, clk_cfg_update1, 20), /* CLK_CFG_13 */ MUX_UPD(TOP_AUD_1_SEL, clk_cfg_13, 0, 1, clk_cfg_update1, 21), MUX_UPD(TOP_AUD_2_SEL, clk_cfg_13, 8, 1, clk_cfg_update1, 22), MUX_UPD(TOP_ADSP_SEL, clk_cfg_13, 16, 3, clk_cfg_update1, 23), MUX_UPD(TOP_DPMAIF_MAIN_SEL, clk_cfg_13, 24, 3, clk_cfg_update1, 24), /* CLK_CFG_14 */ MUX_UPD(TOP_VENC_SEL, clk_cfg_14, 0, 4, clk_cfg_update1, 25), MUX_UPD(TOP_VDEC_SEL, clk_cfg_14, 8, 4, clk_cfg_update1, 26), MUX_UPD(TOP_CAMTM_SEL, clk_cfg_14, 16, 2, clk_cfg_update1, 27), MUX_UPD(TOP_PWM_SEL, clk_cfg_14, 24, 1, clk_cfg_update1, 28), /* CLK_CFG_15 */ MUX_UPD(TOP_AUDIO_H_SEL, clk_cfg_15, 0, 2, clk_cfg_update1, 29), MUX_UPD(TOP_SPMI_MST_SEL, clk_cfg_15, 8, 3, clk_cfg_update1, 30), MUX_UPD(TOP_DVFSRC_SEL, clk_cfg_15, 16, 1, clk_cfg_update2, 0), MUX_UPD(TOP_AES_MSDCFDE_SEL, clk_cfg_15, 24, 3, clk_cfg_update2, 1), /* CLK_CFG_16 */ MUX_UPD(TOP_MCUPM_SEL, clk_cfg_16, 0, 2, clk_cfg_update2, 2), MUX_UPD(TOP_SFLASH_SEL, clk_cfg_16, 8, 2, clk_cfg_update2, 3), }; struct mux_sel { enum mux_id id; u32 sel; }; static const struct mux_sel mux_sels[] = { /* CLK_CFG_0 */ { .id = TOP_AXI_SEL, .sel = 2 }, /* 2: mainpll_d7_d2 */ { .id = TOP_SPM_SEL, .sel = 2 }, /* 2: mainpll_d7_d4 */ { .id = TOP_SCP_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_BUS_AXIMEM_SEL, .sel = 3 }, /* 3: mainpll_d5_d2 */ /* CLK_CFG_1 */ { .id = TOP_DISP_SEL, .sel = 8 }, /* 8: mainpll_d4 */ { .id = TOP_MDP_SEL, .sel = 8 }, /* 8: tvdpll_ck */ { .id = TOP_IMG1_SEL, .sel = 1 }, /* 1: univpll_d4 */ { .id = TOP_IMG2_SEL, .sel = 1 }, /* 1: univpll_d4 */ /* CLK_CFG_2 */ { .id = TOP_IPE_SEL, .sel = 1 }, /* 1: mainpll_d4 */ { .id = TOP_DPE_SEL, .sel = 1 }, /* 1: mainpll_d4 */ { .id = TOP_CAM_SEL, .sel = 3 }, /* 3: univpll_d4 */ { .id = TOP_CCU_SEL, .sel = 8 }, /* 8: univpll_d5 */ /* CLK_CFG_3 */ { .id = TOP_DSP_SEL, .sel = 1 }, /* 1: univpll_d6_d2 */ /* CLK_CFG_4 */ { .id = TOP_DSP7_SEL, .sel = 1 }, /* 1: mainpll_d4_d2 */ { .id = TOP_MFG_REF_SEL, .sel = 3 }, /* 3: mainpll_d5_d2 */ { .id = TOP_MFG_PLL_SEL, .sel = 1 }, /* 1: mfgpll */ { .id = TOP_CAMTG_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ /* CLK_CFG_5 */ { .id = TOP_CAMTG2_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ { .id = TOP_CAMTG3_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ { .id = TOP_CAMTG4_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ { .id = TOP_CAMTG5_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ /* CLK_CFG_6 */ { .id = TOP_CAMTG6_SEL, .sel = 1 }, /* 1: univpll_192m_d8 */ { .id = TOP_UART_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_SPI_SEL, .sel = 1 }, /* 1: mainpll_d5_d4 */ { .id = TOP_MSDC50_0_HCLK_SEL, .sel = 1 }, /* 1: mainpll_d4_d2 */ /* CLK_CFG_7 */ { .id = TOP_MSDC50_0_SEL, .sel = 1 }, /* 1: msdcpll_ck */ { .id = TOP_MSDC30_1_SEL, .sel = 4 }, /* 4: msdcpll_d2 */ { .id = TOP_MSDC30_2_SEL, .sel = 4 }, /* 4: msdcpll_d2 */ { .id = TOP_AUDIO_SEL, .sel = 0 }, /* 0: clk26m */ /* CLK_CFG_8 */ { .id = TOP_AUD_INTBUS_SEL, .sel = 1 }, /* 1: mainpll_d4_d4 */ { .id = TOP_PWRAP_ULPOSC_SEL, .sel = 0 }, /* 0: osc_d10 */ { .id = TOP_ATB_SEL, .sel = 1 }, /* 1: mainpll_d4_d2 */ { .id = TOP_PWRMCU_SEL, .sel = 3 }, /* 3: mainpll_d4_d2 */ /* CLK_CFG_9 */ { .id = TOP_DPI_SEL, .sel = 1 }, /* 1: tvdpll_d2 */ { .id = TOP_SCAM_SEL, .sel = 1 }, /* 1: mainpll_d5_d4 */ { .id = TOP_DISP_PWM_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_USB_TOP_SEL, .sel = 1 }, /* 1: univpll_d5_d4 */ /* CLK_CFG_10 */ { .id = TOP_SSUSB_XHCI_SEL, .sel = 1 }, /* 1: univpll_d5_d4 */ { .id = TOP_I2C_SEL, .sel = 2 }, /* 2: univpll_d5_d4 */ { .id = TOP_SENINF_SEL, .sel = 4 }, /* 4: univpll_d7 */ { .id = TOP_SENINF1_SEL, .sel = 4 }, /* 4: univpll_d7 */ /* CLK_CFG_11 */ { .id = TOP_SENINF2_SEL, .sel = 4 }, /* 4: univpll_d7 */ { .id = TOP_SENINF3_SEL, .sel = 4 }, /* 4: univpll_d7 */ { .id = TOP_TL_SEL, .sel = 1 }, /* 1: univpll_192m_d2 */ { .id = TOP_DXCC_SEL, .sel = 1 }, /* 1: mainpll_d4_d2 */ /* CLK_CFG_12 */ { .id = TOP_AUD_ENGEN1_SEL, .sel = 2 }, /* 2: apll1_d4 */ { .id = TOP_AUD_ENGEN2_SEL, .sel = 2 }, /* 2: apll2_d4 */ { .id = TOP_AES_UFSFDE_SEL, .sel = 6 }, /* 6: univpll_d6 */ { .id = TOP_UFS_SEL, .sel = 6 }, /* 6: msdcpll_d2 */ /* CLK_CFG_13 */ { .id = TOP_AUD_1_SEL, .sel = 1 }, /* 1: apll1_ck */ { .id = TOP_AUD_2_SEL, .sel = 1 }, /* 1: apll2_ck */ { .id = TOP_ADSP_SEL, .sel = 7 }, /* 7: adsppll_ck */ { .id = TOP_DPMAIF_MAIN_SEL, .sel = 3 }, /* 3: mainpll_d4_d2 */ /* CLK_CFG_14 */ { .id = TOP_VENC_SEL, .sel = 14 }, /* 14: univpll_d5_d2 */ { .id = TOP_VDEC_SEL, .sel = 4 }, /* 4: mainpll_d5_d2 */ { .id = TOP_CAMTM_SEL, .sel = 2 }, /* 2: univpll_d6_d2 */ { .id = TOP_PWM_SEL, .sel = 0 }, /* 0: clk26m */ /* CLK_CFG_15 */ { .id = TOP_AUDIO_H_SEL, .sel = 3 }, /* 3: apll2_ck */ { .id = TOP_SPMI_MST_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_DVFSRC_SEL, .sel = 0 }, /* 0: clk26m */ { .id = TOP_AES_MSDCFDE_SEL, .sel = 5 }, /* 5: univpll_d6 */ /* CLK_CFG_16 */ { .id = TOP_MCUPM_SEL, .sel = 2 }, /* 2: mainpll_d6_d2 */ { .id = TOP_SFLASH_SEL, .sel = 1 }, /* 1: mainpll_d7_d8 */ }; enum pll_id { APMIXED_ARMPLL_LL, APMIXED_ARMPLL_BL, APMIXED_CCIPLL, APMIXED_MAINPLL, APMIXED_UNIVPLL, APMIXED_USBPLL, APMIXED_MSDCPLL, APMIXED_MMPLL, APMIXED_ADSPPLL, APMIXED_MFGPLL, APMIXED_TVDPLL, APMIXED_APLL1, APMIXED_APLL2, APMIXED_PLL_MAX }; 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_bl0_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_UNIVPLL, univpll_con0, univpll_con3, 23, 22, univpll_con1, 24, univpll_con1, 0, pll_div_rate), PLL(APMIXED_USBPLL, usbpll_con0, usbpll_con2, NO_RSTB_SHIFT, 22, usbpll_con0, 24, usbpll_con0, 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, 23, 22, mmpll_con1, 24, mmpll_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_UNIVPLL, .rate = UNIVPLL_HZ }, { .id = APMIXED_USBPLL, .rate = USBPLL_HZ }, { .id = APMIXED_MSDCPLL, .rate = MSDCPLL_HZ }, { .id = APMIXED_MMPLL, .rate = MMPLL_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 square1 low-pass filter */ setbits32(&mtk_apmixed->ap_pll_con0, 0x2); /* reduce PLL current */ SET32_BITFIELDS(&mtk_apmixed->ap_pllgp1_con1, PLLGP1_LVRREF, 1); SET32_BITFIELDS(&mtk_apmixed->ap_pllgp2_con1, PLLGP2_LVRREF, 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); /* xPLL Frequency Set */ for (i = 0; i < ARRAY_SIZE(rates); i++) pll_set_rate(&plls[rates[i].id], rates[i].rate); /* xPLL Frequency Enable */ for (i = 0; i < APMIXED_PLL_MAX; i++) { if (i == APMIXED_USBPLL) setbits32(plls[APMIXED_USBPLL].pwr_reg, USBPLL_EN); else setbits32(plls[i].reg, 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 */ clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg1, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_DIV_MASK, MCU_DIV_1); clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL); clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg1, MCU_MUX_MASK, MCU_MUX_SRC_PLL); clrsetbits32(&mt8192_mcucfg->bus_plldiv_cfg, MCU_MUX_MASK, MCU_MUX_SRC_PLL); /* enable infrasys DCM */ setbits32(&mt8192_infracfg->infra_bus_dcm_ctrl, 0x3 << 21); /* initialize SPM request */ setbits32(&mtk_topckgen->clk_scp_cfg_0, 0x3ff); clrsetbits32(&mtk_topckgen->clk_scp_cfg_1, 0x100c, 0x3); /* * TOP CLKMUX -- DO NOT CHANGE WITHOUT ADJUSTING CONSTANTS! */ for (i = 0; i < ARRAY_SIZE(mux_sels); i++) mux_set_sel(&muxes[mux_sels[i].id], mux_sels[i].sel); /* enable [14] dramc_pll104m_ck */ setbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 14); } void mt_pll_raise_little_cpu_freq(u32 freq) { /* enable [4] intermediate clock armpll_divider_pll1_ck */ setbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4); /* switch ca55 clock source to intermediate clock */ clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_DIV_PLL1); /* disable armpll_ll frequency output */ clrbits32(plls[APMIXED_ARMPLL_LL].reg, 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, PLL_EN); udelay(PLL_EN_DELAY); /* switch ca55 clock source back to armpll_ll */ clrsetbits32(&mt8192_mcucfg->cpu_plldiv_cfg0, MCU_MUX_MASK, MCU_MUX_SRC_PLL); /* disable [4] intermediate clock armpll_divider_pll1_ck */ clrbits32(&mtk_topckgen->clk_misc_cfg_0, 1 << 4); }