From: Ye Li Date: Thu, 18 Apr 2019 03:37:43 +0000 (-0700) Subject: MLK-21845-1 imx8mq: restructure clock X-Git-Tag: rel_imx_4.19.35_1.1.0~726 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=14c20366a4b370233044854d1ab06e0a4930b90b;p=u-boot.git MLK-21845-1 imx8mq: restructure clock i.MX8MQ and i.MX8MM use different analog pll design, but they share same ccm design. Add clock_imx8mq.h for i.MX8MQ and keep common part in clock.h Signed-off-by: Peng Fan Signed-off-by: Ye Li --- diff --git a/arch/arm/include/asm/arch-imx8m/clock.h b/arch/arm/include/asm/arch-imx8m/clock.h index bb61514ad5..b384a4702f 100644 --- a/arch/arm/include/asm/arch-imx8m/clock.h +++ b/arch/arm/include/asm/arch-imx8m/clock.h @@ -1,28 +1,29 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* - * Copyright 2017 NXP - * - * Peng Fan + * Copyright 2017-2019 NXP */ -#ifndef _ASM_ARCH_IMX8M_CLOCK_H -#define _ASM_ARCH_IMX8M_CLOCK_H - #include +#ifdef CONFIG_IMX8MQ +#include +#else +#error "Error no clock.h" +#endif + #define MHZ(X) ((X) * 1000000UL) -enum pll_clocks { - ANATOP_ARM_PLL, - ANATOP_GPU_PLL, - ANATOP_SYSTEM_PLL1, - ANATOP_SYSTEM_PLL2, - ANATOP_SYSTEM_PLL3, - ANATOP_AUDIO_PLL1, - ANATOP_AUDIO_PLL2, - ANATOP_VIDEO_PLL1, - ANATOP_VIDEO_PLL2, - ANATOP_DRAM_PLL, +/* Mainly for compatible to imx common code. */ +enum mxc_clock { + MXC_ARM_CLK = 0, + MXC_IPG_CLK, + MXC_CSPI_CLK, + MXC_ESDHC_CLK, + MXC_ESDHC2_CLK, + MXC_ESDHC3_CLK, + MXC_I2C_CLK, + MXC_UART_CLK, + MXC_QSPI_CLK, }; enum clk_slice_type { @@ -35,297 +36,6 @@ enum clk_slice_type { DRAM_SEL_CLOCK_SLICE, }; -enum clk_root_index { - MXC_ARM_CLK = 0, - ARM_A53_CLK_ROOT = 0, - ARM_M4_CLK_ROOT = 1, - VPU_A53_CLK_ROOT = 2, - GPU_CORE_CLK_ROOT = 3, - GPU_SHADER_CLK_ROOT = 4, - MAIN_AXI_CLK_ROOT = 16, - ENET_AXI_CLK_ROOT = 17, - NAND_USDHC_BUS_CLK_ROOT = 18, - VPU_BUS_CLK_ROOT = 19, - DISPLAY_AXI_CLK_ROOT = 20, - DISPLAY_APB_CLK_ROOT = 21, - DISPLAY_RTRM_CLK_ROOT = 22, - USB_BUS_CLK_ROOT = 23, - GPU_AXI_CLK_ROOT = 24, - GPU_AHB_CLK_ROOT = 25, - NOC_CLK_ROOT = 26, - NOC_APB_CLK_ROOT = 27, - AHB_CLK_ROOT = 32, - IPG_CLK_ROOT = 33, - MXC_IPG_CLK = 33, - AUDIO_AHB_CLK_ROOT = 34, - MIPI_DSI_ESC_RX_CLK_ROOT = 36, - DRAM_SEL_CFG = 48, - CORE_SEL_CFG = 49, - DRAM_ALT_CLK_ROOT = 64, - DRAM_APB_CLK_ROOT = 65, - VPU_G1_CLK_ROOT = 66, - VPU_G2_CLK_ROOT = 67, - DISPLAY_DTRC_CLK_ROOT = 68, - DISPLAY_DC8000_CLK_ROOT = 69, - PCIE1_CTRL_CLK_ROOT = 70, - PCIE1_PHY_CLK_ROOT = 71, - PCIE1_AUX_CLK_ROOT = 72, - DC_PIXEL_CLK_ROOT = 73, - LCDIF_PIXEL_CLK_ROOT = 74, - SAI1_CLK_ROOT = 75, - SAI2_CLK_ROOT = 76, - SAI3_CLK_ROOT = 77, - SAI4_CLK_ROOT = 78, - SAI5_CLK_ROOT = 79, - SAI6_CLK_ROOT = 80, - SPDIF1_CLK_ROOT = 81, - SPDIF2_CLK_ROOT = 82, - ENET_REF_CLK_ROOT = 83, - ENET_TIMER_CLK_ROOT = 84, - ENET_PHY_REF_CLK_ROOT = 85, - NAND_CLK_ROOT = 86, - QSPI_CLK_ROOT = 87, - MXC_ESDHC_CLK = 88, - USDHC1_CLK_ROOT = 88, - MXC_ESDHC2_CLK = 89, - USDHC2_CLK_ROOT = 89, - I2C1_CLK_ROOT = 90, - MXC_I2C_CLK = 90, - I2C2_CLK_ROOT = 91, - I2C3_CLK_ROOT = 92, - I2C4_CLK_ROOT = 93, - UART1_CLK_ROOT = 94, - UART2_CLK_ROOT = 95, - UART3_CLK_ROOT = 96, - UART4_CLK_ROOT = 97, - USB_CORE_REF_CLK_ROOT = 98, - USB_PHY_REF_CLK_ROOT = 99, - GIC_CLK_ROOT = 100, - ECSPI1_CLK_ROOT = 101, - ECSPI2_CLK_ROOT = 102, - PWM1_CLK_ROOT = 103, - PWM2_CLK_ROOT = 104, - PWM3_CLK_ROOT = 105, - PWM4_CLK_ROOT = 106, - GPT1_CLK_ROOT = 107, - GPT2_CLK_ROOT = 108, - GPT3_CLK_ROOT = 109, - GPT4_CLK_ROOT = 110, - GPT5_CLK_ROOT = 111, - GPT6_CLK_ROOT = 112, - TRACE_CLK_ROOT = 113, - WDOG_CLK_ROOT = 114, - WRCLK_CLK_ROOT = 115, - IPP_DO_CLKO1 = 116, - IPP_DO_CLKO2 = 117, - MIPI_DSI_CORE_CLK_ROOT = 118, - MIPI_DSI_PHY_REF_CLK_ROOT = 119, - MIPI_DSI_DBI_CLK_ROOT = 120, - OLD_MIPI_DSI_ESC_CLK_ROOT = 121, - MIPI_CSI1_CORE_CLK_ROOT = 122, - MIPI_CSI1_PHY_REF_CLK_ROOT = 123, - MIPI_CSI1_ESC_CLK_ROOT = 124, - MIPI_CSI2_CORE_CLK_ROOT = 125, - MIPI_CSI2_PHY_REF_CLK_ROOT = 126, - MIPI_CSI2_ESC_CLK_ROOT = 127, - PCIE2_CTRL_CLK_ROOT = 128, - PCIE2_PHY_CLK_ROOT = 129, - PCIE2_AUX_CLK_ROOT = 130, - ECSPI3_CLK_ROOT = 131, - OLD_MIPI_DSI_ESC_RX_ROOT = 132, - DISPLAY_HDMI_CLK_ROOT = 133, - CLK_ROOT_MAX, -}; - -enum clk_root_src { - OSC_25M_CLK, - ARM_PLL_CLK, - DRAM_PLL1_CLK, - VIDEO_PLL2_CLK, - VPU_PLL_CLK, - GPU_PLL_CLK, - SYSTEM_PLL1_800M_CLK, - SYSTEM_PLL1_400M_CLK, - SYSTEM_PLL1_266M_CLK, - SYSTEM_PLL1_200M_CLK, - SYSTEM_PLL1_160M_CLK, - SYSTEM_PLL1_133M_CLK, - SYSTEM_PLL1_100M_CLK, - SYSTEM_PLL1_80M_CLK, - SYSTEM_PLL1_40M_CLK, - SYSTEM_PLL2_1000M_CLK, - SYSTEM_PLL2_500M_CLK, - SYSTEM_PLL2_333M_CLK, - SYSTEM_PLL2_250M_CLK, - SYSTEM_PLL2_200M_CLK, - SYSTEM_PLL2_166M_CLK, - SYSTEM_PLL2_125M_CLK, - SYSTEM_PLL2_100M_CLK, - SYSTEM_PLL2_50M_CLK, - SYSTEM_PLL3_CLK, - AUDIO_PLL1_CLK, - AUDIO_PLL2_CLK, - VIDEO_PLL_CLK, - OSC_32K_CLK, - EXT_CLK_1, - EXT_CLK_2, - EXT_CLK_3, - EXT_CLK_4, - OSC_27M_CLK, -}; - -/* CCGR index */ -enum clk_ccgr_index { - CCGR_DVFS = 0, - CCGR_ANAMIX = 1, - CCGR_CPU = 2, - CCGR_CSU = 4, - CCGR_DRAM1 = 5, - CCGR_DRAM2_OBSOLETE = 6, - CCGR_ECSPI1 = 7, - CCGR_ECSPI2 = 8, - CCGR_ECSPI3 = 9, - CCGR_ENET1 = 10, - CCGR_GPIO1 = 11, - CCGR_GPIO2 = 12, - CCGR_GPIO3 = 13, - CCGR_GPIO4 = 14, - CCGR_GPIO5 = 15, - CCGR_GPT1 = 16, - CCGR_GPT2 = 17, - CCGR_GPT3 = 18, - CCGR_GPT4 = 19, - CCGR_GPT5 = 20, - CCGR_GPT6 = 21, - CCGR_HS = 22, - CCGR_I2C1 = 23, - CCGR_I2C2 = 24, - CCGR_I2C3 = 25, - CCGR_I2C4 = 26, - CCGR_IOMUX = 27, - CCGR_IOMUX1 = 28, - CCGR_IOMUX2 = 29, - CCGR_IOMUX3 = 30, - CCGR_IOMUX4 = 31, - CCGR_M4 = 32, - CCGR_MU = 33, - CCGR_OCOTP = 34, - CCGR_OCRAM = 35, - CCGR_OCRAM_S = 36, - CCGR_PCIE = 37, - CCGR_PERFMON1 = 38, - CCGR_PERFMON2 = 39, - CCGR_PWM1 = 40, - CCGR_PWM2 = 41, - CCGR_PWM3 = 42, - CCGR_PWM4 = 43, - CCGR_QOS = 44, - CCGR_DISMIX = 45, - CCGR_MEGAMIX = 46, - CCGR_QSPI = 47, - CCGR_RAWNAND = 48, - CCGR_RDC = 49, - CCGR_ROM = 50, - CCGR_SAI1 = 51, - CCGR_SAI2 = 52, - CCGR_SAI3 = 53, - CCGR_SAI4 = 54, - CCGR_SAI5 = 55, - CCGR_SAI6 = 56, - CCGR_SCTR = 57, - CCGR_SDMA1 = 58, - CCGR_SDMA2 = 59, - CCGR_SEC_DEBUG = 60, - CCGR_SEMA1 = 61, - CCGR_SEMA2 = 62, - CCGR_SIM_DISPLAY = 63, - CCGR_SIM_ENET = 64, - CCGR_SIM_M = 65, - CCGR_SIM_MAIN = 66, - CCGR_SIM_S = 67, - CCGR_SIM_WAKEUP = 68, - CCGR_SIM_USB = 69, - CCGR_SIM_VPU = 70, - CCGR_SNVS = 71, - CCGR_TRACE = 72, - CCGR_UART1 = 73, - CCGR_UART2 = 74, - CCGR_UART3 = 75, - CCGR_UART4 = 76, - CCGR_USB_CTRL1 = 77, - CCGR_USB_CTRL2 = 78, - CCGR_USB_PHY1 = 79, - CCGR_USB_PHY2 = 80, - CCGR_USDHC1 = 81, - CCGR_USDHC2 = 82, - CCGR_WDOG1 = 83, - CCGR_WDOG2 = 84, - CCGR_WDOG3 = 85, - CCGR_VA53 = 86, - CCGR_GPU = 87, - CCGR_HEVC = 88, - CCGR_AVC = 89, - CCGR_VP9 = 90, - CCGR_HEVC_INTER = 91, - CCGR_GIC = 92, - CCGR_DISPLAY = 93, - CCGR_HDMI = 94, - CCGR_HDMI_PHY = 95, - CCGR_XTAL = 96, - CCGR_PLL = 97, - CCGR_TSENSOR = 98, - CCGR_VPU_DEC = 99, - CCGR_PCIE2 = 100, - CCGR_MIPI_CSI1 = 101, - CCGR_MIPI_CSI2 = 102, - CCGR_MAX, -}; - -/* src index */ -enum clk_src_index { - CLK_SRC_CKIL_SYNC_REQ = 0, - CLK_SRC_ARM_PLL_EN = 1, - CLK_SRC_GPU_PLL_EN = 2, - CLK_SRC_VPU_PLL_EN = 3, - CLK_SRC_DRAM_PLL_EN = 4, - CLK_SRC_SYSTEM_PLL1_EN = 5, - CLK_SRC_SYSTEM_PLL2_EN = 6, - CLK_SRC_SYSTEM_PLL3_EN = 7, - CLK_SRC_AUDIO_PLL1_EN = 8, - CLK_SRC_AUDIO_PLL2_EN = 9, - CLK_SRC_VIDEO_PLL1_EN = 10, - CLK_SRC_VIDEO_PLL2_EN = 11, - CLK_SRC_ARM_PLL = 12, - CLK_SRC_GPU_PLL = 13, - CLK_SRC_VPU_PLL = 14, - CLK_SRC_DRAM_PLL = 15, - CLK_SRC_SYSTEM_PLL1_800M = 16, - CLK_SRC_SYSTEM_PLL1_400M = 17, - CLK_SRC_SYSTEM_PLL1_266M = 18, - CLK_SRC_SYSTEM_PLL1_200M = 19, - CLK_SRC_SYSTEM_PLL1_160M = 20, - CLK_SRC_SYSTEM_PLL1_133M = 21, - CLK_SRC_SYSTEM_PLL1_100M = 22, - CLK_SRC_SYSTEM_PLL1_80M = 23, - CLK_SRC_SYSTEM_PLL1_40M = 24, - CLK_SRC_SYSTEM_PLL2_1000M = 25, - CLK_SRC_SYSTEM_PLL2_500M = 26, - CLK_SRC_SYSTEM_PLL2_333M = 27, - CLK_SRC_SYSTEM_PLL2_250M = 28, - CLK_SRC_SYSTEM_PLL2_200M = 29, - CLK_SRC_SYSTEM_PLL2_166M = 30, - CLK_SRC_SYSTEM_PLL2_125M = 31, - CLK_SRC_SYSTEM_PLL2_100M = 32, - CLK_SRC_SYSTEM_PLL2_50M = 33, - CLK_SRC_SYSTEM_PLL3 = 34, - CLK_SRC_AUDIO_PLL1 = 35, - CLK_SRC_AUDIO_PLL2 = 36, - CLK_SRC_VIDEO_PLL1 = 37, - CLK_SRC_VIDEO_PLL2 = 38, - CLK_SRC_OSC_25M = 39, - CLK_SRC_OSC_27M = 40, -}; - enum root_pre_div { CLK_ROOT_PRE_DIV1 = 0, CLK_ROOT_PRE_DIV2, @@ -466,6 +176,29 @@ struct ccm_reg { struct ccm_root ip_root[78]; }; +enum enet_freq { + ENET_25MHZ = 0, + ENET_50MHZ, + ENET_125MHZ, +}; + +#define DRAM_BYPASS_ROOT_CONFIG(_rate, _m, _p, _s, _k) \ + { \ + .clk = (_rate), \ + .alt_root_sel = (_m), \ + .alt_pre_div = (_p), \ + .apb_root_sel = (_s), \ + .apb_pre_div = (_k), \ + } + +struct dram_bypass_clk_setting { + ulong clk; + int alt_root_sel; + enum root_pre_div alt_pre_div; + int apb_root_sel; + enum root_pre_div apb_pre_div; +}; + #define CCGR_CLK_ON_MASK 0x03 #define CLK_SRC_ON_MASK 0x03 @@ -504,116 +237,6 @@ struct ccm_reg { #define CLK_ROOT_POST_DIV_SHIFT 0 #define CLK_ROOT_POST_DIV(n) ((n) & 0x3f) -/* AUDIO PLL1/2 VIDEO PLL1 GPU PLL VPU PLL ARM PLL*/ -#define FRAC_PLL_LOCK_MASK BIT(31) -#define FRAC_PLL_CLKE_MASK BIT(21) -#define FRAC_PLL_PD_MASK BIT(19) -#define FRAC_PLL_REFCLK_SEL_MASK BIT(16) -#define FRAC_PLL_LOCK_SEL_MASK BIT(15) -#define FRAC_PLL_BYPASS_MASK BIT(14) -#define FRAC_PLL_COUNTCLK_SEL_MASK BIT(13) -#define FRAC_PLL_NEWDIV_VAL_MASK BIT(12) -#define FRAC_PLL_NEWDIV_ACK_MASK BIT(11) -#define FRAC_PLL_REFCLK_DIV_VAL(n) (((n) << 5) & (0x3f << 5)) -#define FRAC_PLL_REFCLK_DIV_VAL_MASK (0x3f << 5) -#define FRAC_PLL_REFCLK_DIV_VAL_SHIFT 5 -#define FRAC_PLL_OUTPUT_DIV_VAL_MASK 0x1f -#define FRAC_PLL_OUTPUT_DIV_VAL(n) ((n) & 0x1f) - -#define FRAC_PLL_REFCLK_SEL_OSC_25M (0 << 16) -#define FRAC_PLL_REFCLK_SEL_OSC_27M BIT(16) -#define FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) -#define FRAC_PLL_REFCLK_SEL_CLK_PN (3 << 16) - -#define FRAC_PLL_FRAC_DIV_CTL_MASK (0x1ffffff << 7) -#define FRAC_PLL_FRAC_DIV_CTL_SHIFT 7 -#define FRAC_PLL_INT_DIV_CTL_MASK 0x7f -#define FRAC_PLL_INT_DIV_CTL_VAL(n) ((n) & 0x7f) - -/* SYS PLL1/2/3 VIDEO PLL2 DRAM PLL */ -#define SSCG_PLL_LOCK_MASK BIT(31) -#define SSCG_PLL_CLKE_MASK BIT(25) -#define SSCG_PLL_DIV2_CLKE_MASK BIT(23) -#define SSCG_PLL_DIV3_CLKE_MASK BIT(21) -#define SSCG_PLL_DIV4_CLKE_MASK BIT(19) -#define SSCG_PLL_DIV5_CLKE_MASK BIT(17) -#define SSCG_PLL_DIV6_CLKE_MASK BIT(15) -#define SSCG_PLL_DIV8_CLKE_MASK BIT(13) -#define SSCG_PLL_DIV10_CLKE_MASK BIT(11) -#define SSCG_PLL_DIV20_CLKE_MASK BIT(9) -#define SSCG_PLL_VIDEO_PLL2_CLKE_MASK BIT(9) -#define SSCG_PLL_DRAM_PLL_CLKE_MASK BIT(9) -#define SSCG_PLL_PLL3_CLKE_MASK BIT(9) -#define SSCG_PLL_PD_MASK BIT(7) -#define SSCG_PLL_BYPASS1_MASK BIT(5) -#define SSCG_PLL_BYPASS2_MASK BIT(4) -#define SSCG_PLL_LOCK_SEL_MASK BIT(3) -#define SSCG_PLL_COUNTCLK_SEL_MASK BIT(2) -#define SSCG_PLL_REFCLK_SEL_MASK 0x3 -#define SSCG_PLL_REFCLK_SEL_OSC_25M (0 << 16) -#define SSCG_PLL_REFCLK_SEL_OSC_27M BIT(16) -#define SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) -#define SSCG_PLL_REFCLK_SEL_CLK_PN (3 << 16) - -#define SSCG_PLL_SSDS_MASK BIT(8) -#define SSCG_PLL_SSMD_MASK (0x7 << 5) -#define SSCG_PLL_SSMF_MASK (0xf << 1) -#define SSCG_PLL_SSE_MASK 0x1 - -#define SSCG_PLL_REF_DIVR1_MASK (0x7 << 25) -#define SSCG_PLL_REF_DIVR1_SHIFT 25 -#define SSCG_PLL_REF_DIVR1_VAL(n) (((n) << 25) & SSCG_PLL_REF_DIVR1_MASK) -#define SSCG_PLL_REF_DIVR2_MASK (0x3f << 19) -#define SSCG_PLL_REF_DIVR2_SHIFT 19 -#define SSCG_PLL_REF_DIVR2_VAL(n) (((n) << 19) & SSCG_PLL_REF_DIVR2_MASK) -#define SSCG_PLL_FEEDBACK_DIV_F1_MASK (0x3f << 13) -#define SSCG_PLL_FEEDBACK_DIV_F1_SHIFT 13 -#define SSCG_PLL_FEEDBACK_DIV_F1_VAL(n) (((n) << 13) & \ - SSCG_PLL_FEEDBACK_DIV_F1_MASK) -#define SSCG_PLL_FEEDBACK_DIV_F2_MASK (0x3f << 7) -#define SSCG_PLL_FEEDBACK_DIV_F2_SHIFT 7 -#define SSCG_PLL_FEEDBACK_DIV_F2_VAL(n) (((n) << 7) & \ - SSCG_PLL_FEEDBACK_DIV_F2_MASK) -#define SSCG_PLL_OUTPUT_DIV_VAL_MASK (0x3f << 1) -#define SSCG_PLL_OUTPUT_DIV_VAL_SHIFT 1 -#define SSCG_PLL_OUTPUT_DIV_VAL(n) (((n) << 1) & \ - SSCG_PLL_OUTPUT_DIV_VAL_MASK) -#define SSCG_PLL_FILTER_RANGE_MASK 0x1 - -#define HW_DIGPROG_MAJOR_UPPER_MASK (0xff << 16) -#define HW_DIGPROG_MAJOR_LOWER_MASK (0xff << 8) -#define HW_DIGPROG_MINOR_MASK 0xff - -#define HW_OSC_27M_CLKE_MASK BIT(4) -#define HW_OSC_25M_CLKE_MASK BIT(2) -#define HW_OSC_32K_SEL_MASK 0x1 -#define HW_OSC_32K_SEL_RTC 0x1 -#define HW_OSC_32K_SEL_25M_DIV800 0x0 - -#define HW_FRAC_ARM_PLL_DIV_MASK (0x7 << 20) -#define HW_FRAC_ARM_PLL_DIV_SHIFT 20 -#define HW_FRAC_VPU_PLL_DIV_MASK (0x7 << 16) -#define HW_FRAC_VPU_PLL_DIV_SHIFT 16 -#define HW_FRAC_GPU_PLL_DIV_MASK (0x7 << 12) -#define HW_FRAC_GPU_PLL_DIV_SHIFT 12 -#define HW_FRAC_VIDEO_PLL1_DIV_MASK (0x7 << 10) -#define HW_FRAC_VIDEO_PLL1_DIV_SHIFT 10 -#define HW_FRAC_AUDIO_PLL2_DIV_MASK (0x7 << 4) -#define HW_FRAC_AUDIO_PLL2_DIV_SHIFT 4 -#define HW_FRAC_AUDIO_PLL1_DIV_MASK 0x7 -#define HW_FRAC_AUDIO_PLL1_DIV_SHIFT 0 - -#define HW_SSCG_VIDEO_PLL2_DIV_MASK (0x7 << 16) -#define HW_SSCG_VIDEO_PLL2_DIV_SHIFT 16 -#define HW_SSCG_DRAM_PLL_DIV_MASK (0x7 << 14) -#define HW_SSCG_DRAM_PLL_DIV_SHIFT 14 -#define HW_SSCG_SYSTEM_PLL3_DIV_MASK (0x7 << 8) -#define HW_SSCG_SYSTEM_PLL3_DIV_SHIFT 8 -#define HW_SSCG_SYSTEM_PLL2_DIV_MASK (0x7 << 4) -#define HW_SSCG_SYSTEM_PLL2_DIV_SHIFT 4 -#define HW_SSCG_SYSTEM_PLL1_DIV_MASK 0x7 -#define HW_SSCG_SYSTEM_PLL1_DIV_SHIFT 0 - #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_125M_CLK 0x01000000 #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_50M_CLK 0x02000000 #define ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK 0x03000000 @@ -622,34 +245,6 @@ struct ccm_reg { #define ENET1_TIME_CLK_ROOT_FROM_PLL_ENET_MAIN_100M_CLK 0x01000000 #define ENET_PHY_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK 0x01000000 -enum enet_freq { - ENET_25MHZ = 0, - ENET_50MHZ, - ENET_125MHZ, -}; - -enum frac_pll_out_val { - FRAC_PLL_OUT_1000M, - FRAC_PLL_OUT_1600M, -}; - -#define DRAM_BYPASS_ROOT_CONFIG(_rate, _m, _p, _s, _k) \ - { \ - .clk = (_rate), \ - .alt_root_sel = (_m), \ - .alt_pre_div = (_p), \ - .apb_root_sel = (_s), \ - .apb_pre_div = (_k), \ - } - -struct dram_bypass_clk_setting { - ulong clk; - int alt_root_sel; - enum root_pre_div alt_pre_div; - int apb_root_sel; - enum root_pre_div apb_pre_div; -}; - void dram_pll_init(ulong pll_val); void dram_enable_bypass(ulong clk_val); void dram_disable_bypass(void); @@ -661,7 +256,8 @@ void init_nand_clk(void); void init_uart_clk(u32 index); void init_usb_clk(void); void init_wdog_clk(void); -unsigned int mxc_get_clock(enum clk_root_index clk); +void init_clk_ecspi(u32 index); +unsigned int mxc_get_clock(enum mxc_clock clk); int clock_enable(enum clk_ccgr_index index, bool enable); int clock_root_enabled(enum clk_root_index clock_id); int clock_root_cfg(enum clk_root_index clock_id, enum root_pre_div pre_div, @@ -678,4 +274,4 @@ void enable_ocotp_clk(unsigned char enable); int enable_i2c_clk(unsigned char enable, unsigned int i2c_num); int set_clk_enet(enum enet_freq type); void hab_caam_clock_enable(unsigned char enable); -#endif +void enable_usboh3_clk(unsigned char enable); diff --git a/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h b/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h new file mode 100644 index 0000000000..42ece958ee --- /dev/null +++ b/arch/arm/include/asm/arch-imx8m/clock_imx8mq.h @@ -0,0 +1,425 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2017 NXP + * + * Peng Fan + */ + +#ifndef _ASM_ARCH_IMX8M_CLOCK_H +#define _ASM_ARCH_IMX8M_CLOCK_H + +enum pll_clocks { + ANATOP_ARM_PLL, + ANATOP_GPU_PLL, + ANATOP_SYSTEM_PLL1, + ANATOP_SYSTEM_PLL2, + ANATOP_SYSTEM_PLL3, + ANATOP_AUDIO_PLL1, + ANATOP_AUDIO_PLL2, + ANATOP_VIDEO_PLL1, + ANATOP_VIDEO_PLL2, + ANATOP_DRAM_PLL, +}; + +enum clk_root_index { + ARM_A53_CLK_ROOT = 0, + ARM_M4_CLK_ROOT = 1, + VPU_A53_CLK_ROOT = 2, + GPU_CORE_CLK_ROOT = 3, + GPU_SHADER_CLK_ROOT = 4, + MAIN_AXI_CLK_ROOT = 16, + ENET_AXI_CLK_ROOT = 17, + NAND_USDHC_BUS_CLK_ROOT = 18, + VPU_BUS_CLK_ROOT = 19, + DISPLAY_AXI_CLK_ROOT = 20, + DISPLAY_APB_CLK_ROOT = 21, + DISPLAY_RTRM_CLK_ROOT = 22, + USB_BUS_CLK_ROOT = 23, + GPU_AXI_CLK_ROOT = 24, + GPU_AHB_CLK_ROOT = 25, + NOC_CLK_ROOT = 26, + NOC_APB_CLK_ROOT = 27, + AHB_CLK_ROOT = 32, + IPG_CLK_ROOT = 33, + AUDIO_AHB_CLK_ROOT = 34, + MIPI_DSI_ESC_RX_CLK_ROOT = 36, + DRAM_SEL_CFG = 48, + CORE_SEL_CFG = 49, + DRAM_ALT_CLK_ROOT = 64, + DRAM_APB_CLK_ROOT = 65, + VPU_G1_CLK_ROOT = 66, + VPU_G2_CLK_ROOT = 67, + DISPLAY_DTRC_CLK_ROOT = 68, + DISPLAY_DC8000_CLK_ROOT = 69, + PCIE1_CTRL_CLK_ROOT = 70, + PCIE1_PHY_CLK_ROOT = 71, + PCIE1_AUX_CLK_ROOT = 72, + DC_PIXEL_CLK_ROOT = 73, + LCDIF_PIXEL_CLK_ROOT = 74, + SAI1_CLK_ROOT = 75, + SAI2_CLK_ROOT = 76, + SAI3_CLK_ROOT = 77, + SAI4_CLK_ROOT = 78, + SAI5_CLK_ROOT = 79, + SAI6_CLK_ROOT = 80, + SPDIF1_CLK_ROOT = 81, + SPDIF2_CLK_ROOT = 82, + ENET_REF_CLK_ROOT = 83, + ENET_TIMER_CLK_ROOT = 84, + ENET_PHY_REF_CLK_ROOT = 85, + NAND_CLK_ROOT = 86, + QSPI_CLK_ROOT = 87, + USDHC1_CLK_ROOT = 88, + USDHC2_CLK_ROOT = 89, + I2C1_CLK_ROOT = 90, + I2C2_CLK_ROOT = 91, + I2C3_CLK_ROOT = 92, + I2C4_CLK_ROOT = 93, + UART1_CLK_ROOT = 94, + UART2_CLK_ROOT = 95, + UART3_CLK_ROOT = 96, + UART4_CLK_ROOT = 97, + USB_CORE_REF_CLK_ROOT = 98, + USB_PHY_REF_CLK_ROOT = 99, + GIC_CLK_ROOT = 100, + ECSPI1_CLK_ROOT = 101, + ECSPI2_CLK_ROOT = 102, + PWM1_CLK_ROOT = 103, + PWM2_CLK_ROOT = 104, + PWM3_CLK_ROOT = 105, + PWM4_CLK_ROOT = 106, + GPT1_CLK_ROOT = 107, + GPT2_CLK_ROOT = 108, + GPT3_CLK_ROOT = 109, + GPT4_CLK_ROOT = 110, + GPT5_CLK_ROOT = 111, + GPT6_CLK_ROOT = 112, + TRACE_CLK_ROOT = 113, + WDOG_CLK_ROOT = 114, + WRCLK_CLK_ROOT = 115, + IPP_DO_CLKO1 = 116, + IPP_DO_CLKO2 = 117, + MIPI_DSI_CORE_CLK_ROOT = 118, + MIPI_DSI_PHY_REF_CLK_ROOT = 119, + MIPI_DSI_DBI_CLK_ROOT = 120, + OLD_MIPI_DSI_ESC_CLK_ROOT = 121, + MIPI_CSI1_CORE_CLK_ROOT = 122, + MIPI_CSI1_PHY_REF_CLK_ROOT = 123, + MIPI_CSI1_ESC_CLK_ROOT = 124, + MIPI_CSI2_CORE_CLK_ROOT = 125, + MIPI_CSI2_PHY_REF_CLK_ROOT = 126, + MIPI_CSI2_ESC_CLK_ROOT = 127, + PCIE2_CTRL_CLK_ROOT = 128, + PCIE2_PHY_CLK_ROOT = 129, + PCIE2_AUX_CLK_ROOT = 130, + ECSPI3_CLK_ROOT = 131, + OLD_MIPI_DSI_ESC_RX_ROOT = 132, + DISPLAY_HDMI_CLK_ROOT = 133, + CLK_ROOT_MAX, +}; + +enum clk_root_src { + OSC_25M_CLK, + ARM_PLL_CLK, + DRAM_PLL1_CLK, + VIDEO_PLL2_CLK, + VPU_PLL_CLK, + GPU_PLL_CLK, + SYSTEM_PLL1_800M_CLK, + SYSTEM_PLL1_400M_CLK, + SYSTEM_PLL1_266M_CLK, + SYSTEM_PLL1_200M_CLK, + SYSTEM_PLL1_160M_CLK, + SYSTEM_PLL1_133M_CLK, + SYSTEM_PLL1_100M_CLK, + SYSTEM_PLL1_80M_CLK, + SYSTEM_PLL1_40M_CLK, + SYSTEM_PLL2_1000M_CLK, + SYSTEM_PLL2_500M_CLK, + SYSTEM_PLL2_333M_CLK, + SYSTEM_PLL2_250M_CLK, + SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_166M_CLK, + SYSTEM_PLL2_125M_CLK, + SYSTEM_PLL2_100M_CLK, + SYSTEM_PLL2_50M_CLK, + SYSTEM_PLL3_CLK, + AUDIO_PLL1_CLK, + AUDIO_PLL2_CLK, + VIDEO_PLL_CLK, + OSC_32K_CLK, + EXT_CLK_1, + EXT_CLK_2, + EXT_CLK_3, + EXT_CLK_4, + OSC_27M_CLK, +}; + +/* CCGR index */ +enum clk_ccgr_index { + CCGR_DVFS = 0, + CCGR_ANAMIX = 1, + CCGR_CPU = 2, + CCGR_CSU = 4, + CCGR_DRAM1 = 5, + CCGR_DRAM2_OBSOLETE = 6, + CCGR_ECSPI1 = 7, + CCGR_ECSPI2 = 8, + CCGR_ECSPI3 = 9, + CCGR_ENET1 = 10, + CCGR_GPIO1 = 11, + CCGR_GPIO2 = 12, + CCGR_GPIO3 = 13, + CCGR_GPIO4 = 14, + CCGR_GPIO5 = 15, + CCGR_GPT1 = 16, + CCGR_GPT2 = 17, + CCGR_GPT3 = 18, + CCGR_GPT4 = 19, + CCGR_GPT5 = 20, + CCGR_GPT6 = 21, + CCGR_HS = 22, + CCGR_I2C1 = 23, + CCGR_I2C2 = 24, + CCGR_I2C3 = 25, + CCGR_I2C4 = 26, + CCGR_IOMUX = 27, + CCGR_IOMUX1 = 28, + CCGR_IOMUX2 = 29, + CCGR_IOMUX3 = 30, + CCGR_IOMUX4 = 31, + CCGR_M4 = 32, + CCGR_MU = 33, + CCGR_OCOTP = 34, + CCGR_OCRAM = 35, + CCGR_OCRAM_S = 36, + CCGR_PCIE = 37, + CCGR_PERFMON1 = 38, + CCGR_PERFMON2 = 39, + CCGR_PWM1 = 40, + CCGR_PWM2 = 41, + CCGR_PWM3 = 42, + CCGR_PWM4 = 43, + CCGR_QOS = 44, + CCGR_DISMIX = 45, + CCGR_MEGAMIX = 46, + CCGR_QSPI = 47, + CCGR_RAWNAND = 48, + CCGR_RDC = 49, + CCGR_ROM = 50, + CCGR_SAI1 = 51, + CCGR_SAI2 = 52, + CCGR_SAI3 = 53, + CCGR_SAI4 = 54, + CCGR_SAI5 = 55, + CCGR_SAI6 = 56, + CCGR_SCTR = 57, + CCGR_SDMA1 = 58, + CCGR_SDMA2 = 59, + CCGR_SEC_DEBUG = 60, + CCGR_SEMA1 = 61, + CCGR_SEMA2 = 62, + CCGR_SIM_DISPLAY = 63, + CCGR_SIM_ENET = 64, + CCGR_SIM_M = 65, + CCGR_SIM_MAIN = 66, + CCGR_SIM_S = 67, + CCGR_SIM_WAKEUP = 68, + CCGR_SIM_USB = 69, + CCGR_SIM_VPU = 70, + CCGR_SNVS = 71, + CCGR_TRACE = 72, + CCGR_UART1 = 73, + CCGR_UART2 = 74, + CCGR_UART3 = 75, + CCGR_UART4 = 76, + CCGR_USB_CTRL1 = 77, + CCGR_USB_CTRL2 = 78, + CCGR_USB_PHY1 = 79, + CCGR_USB_PHY2 = 80, + CCGR_USDHC1 = 81, + CCGR_USDHC2 = 82, + CCGR_WDOG1 = 83, + CCGR_WDOG2 = 84, + CCGR_WDOG3 = 85, + CCGR_VA53 = 86, + CCGR_GPU = 87, + CCGR_HEVC = 88, + CCGR_AVC = 89, + CCGR_VP9 = 90, + CCGR_HEVC_INTER = 91, + CCGR_GIC = 92, + CCGR_DISPLAY = 93, + CCGR_HDMI = 94, + CCGR_HDMI_PHY = 95, + CCGR_XTAL = 96, + CCGR_PLL = 97, + CCGR_TSENSOR = 98, + CCGR_VPU_DEC = 99, + CCGR_PCIE2 = 100, + CCGR_MIPI_CSI1 = 101, + CCGR_MIPI_CSI2 = 102, + CCGR_MAX, +}; + +/* src index */ +enum clk_src_index { + CLK_SRC_CKIL_SYNC_REQ = 0, + CLK_SRC_ARM_PLL_EN = 1, + CLK_SRC_GPU_PLL_EN = 2, + CLK_SRC_VPU_PLL_EN = 3, + CLK_SRC_DRAM_PLL_EN = 4, + CLK_SRC_SYSTEM_PLL1_EN = 5, + CLK_SRC_SYSTEM_PLL2_EN = 6, + CLK_SRC_SYSTEM_PLL3_EN = 7, + CLK_SRC_AUDIO_PLL1_EN = 8, + CLK_SRC_AUDIO_PLL2_EN = 9, + CLK_SRC_VIDEO_PLL1_EN = 10, + CLK_SRC_VIDEO_PLL2_EN = 11, + CLK_SRC_ARM_PLL = 12, + CLK_SRC_GPU_PLL = 13, + CLK_SRC_VPU_PLL = 14, + CLK_SRC_DRAM_PLL = 15, + CLK_SRC_SYSTEM_PLL1_800M = 16, + CLK_SRC_SYSTEM_PLL1_400M = 17, + CLK_SRC_SYSTEM_PLL1_266M = 18, + CLK_SRC_SYSTEM_PLL1_200M = 19, + CLK_SRC_SYSTEM_PLL1_160M = 20, + CLK_SRC_SYSTEM_PLL1_133M = 21, + CLK_SRC_SYSTEM_PLL1_100M = 22, + CLK_SRC_SYSTEM_PLL1_80M = 23, + CLK_SRC_SYSTEM_PLL1_40M = 24, + CLK_SRC_SYSTEM_PLL2_1000M = 25, + CLK_SRC_SYSTEM_PLL2_500M = 26, + CLK_SRC_SYSTEM_PLL2_333M = 27, + CLK_SRC_SYSTEM_PLL2_250M = 28, + CLK_SRC_SYSTEM_PLL2_200M = 29, + CLK_SRC_SYSTEM_PLL2_166M = 30, + CLK_SRC_SYSTEM_PLL2_125M = 31, + CLK_SRC_SYSTEM_PLL2_100M = 32, + CLK_SRC_SYSTEM_PLL2_50M = 33, + CLK_SRC_SYSTEM_PLL3 = 34, + CLK_SRC_AUDIO_PLL1 = 35, + CLK_SRC_AUDIO_PLL2 = 36, + CLK_SRC_VIDEO_PLL1 = 37, + CLK_SRC_VIDEO_PLL2 = 38, + CLK_SRC_OSC_25M = 39, + CLK_SRC_OSC_27M = 40, +}; + +/* AUDIO PLL1/2 VIDEO PLL1 GPU PLL VPU PLL ARM PLL*/ +#define FRAC_PLL_LOCK_MASK BIT(31) +#define FRAC_PLL_CLKE_MASK BIT(21) +#define FRAC_PLL_PD_MASK BIT(19) +#define FRAC_PLL_REFCLK_SEL_MASK BIT(16) +#define FRAC_PLL_LOCK_SEL_MASK BIT(15) +#define FRAC_PLL_BYPASS_MASK BIT(14) +#define FRAC_PLL_COUNTCLK_SEL_MASK BIT(13) +#define FRAC_PLL_NEWDIV_VAL_MASK BIT(12) +#define FRAC_PLL_NEWDIV_ACK_MASK BIT(11) +#define FRAC_PLL_REFCLK_DIV_VAL(n) (((n) << 5) & (0x3f << 5)) +#define FRAC_PLL_REFCLK_DIV_VAL_MASK (0x3f << 5) +#define FRAC_PLL_REFCLK_DIV_VAL_SHIFT 5 +#define FRAC_PLL_OUTPUT_DIV_VAL_MASK 0x1f +#define FRAC_PLL_OUTPUT_DIV_VAL(n) ((n) & 0x1f) + +#define FRAC_PLL_REFCLK_SEL_OSC_25M (0 << 16) +#define FRAC_PLL_REFCLK_SEL_OSC_27M BIT(16) +#define FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) +#define FRAC_PLL_REFCLK_SEL_CLK_PN (3 << 16) + +#define FRAC_PLL_FRAC_DIV_CTL_MASK (0x1ffffff << 7) +#define FRAC_PLL_FRAC_DIV_CTL_SHIFT 7 +#define FRAC_PLL_INT_DIV_CTL_MASK 0x7f +#define FRAC_PLL_INT_DIV_CTL_VAL(n) ((n) & 0x7f) + +/* SYS PLL1/2/3 VIDEO PLL2 DRAM PLL */ +#define SSCG_PLL_LOCK_MASK BIT(31) +#define SSCG_PLL_CLKE_MASK BIT(25) +#define SSCG_PLL_DIV2_CLKE_MASK BIT(23) +#define SSCG_PLL_DIV3_CLKE_MASK BIT(21) +#define SSCG_PLL_DIV4_CLKE_MASK BIT(19) +#define SSCG_PLL_DIV5_CLKE_MASK BIT(17) +#define SSCG_PLL_DIV6_CLKE_MASK BIT(15) +#define SSCG_PLL_DIV8_CLKE_MASK BIT(13) +#define SSCG_PLL_DIV10_CLKE_MASK BIT(11) +#define SSCG_PLL_DIV20_CLKE_MASK BIT(9) +#define SSCG_PLL_VIDEO_PLL2_CLKE_MASK BIT(9) +#define SSCG_PLL_DRAM_PLL_CLKE_MASK BIT(9) +#define SSCG_PLL_PLL3_CLKE_MASK BIT(9) +#define SSCG_PLL_PD_MASK BIT(7) +#define SSCG_PLL_BYPASS1_MASK BIT(5) +#define SSCG_PLL_BYPASS2_MASK BIT(4) +#define SSCG_PLL_LOCK_SEL_MASK BIT(3) +#define SSCG_PLL_COUNTCLK_SEL_MASK BIT(2) +#define SSCG_PLL_REFCLK_SEL_MASK 0x3 +#define SSCG_PLL_REFCLK_SEL_OSC_25M (0 << 16) +#define SSCG_PLL_REFCLK_SEL_OSC_27M BIT(16) +#define SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M (2 << 16) +#define SSCG_PLL_REFCLK_SEL_CLK_PN (3 << 16) + +#define SSCG_PLL_SSDS_MASK BIT(8) +#define SSCG_PLL_SSMD_MASK (0x7 << 5) +#define SSCG_PLL_SSMF_MASK (0xf << 1) +#define SSCG_PLL_SSE_MASK 0x1 + +#define SSCG_PLL_REF_DIVR1_MASK (0x7 << 25) +#define SSCG_PLL_REF_DIVR1_SHIFT 25 +#define SSCG_PLL_REF_DIVR1_VAL(n) (((n) << 25) & SSCG_PLL_REF_DIVR1_MASK) +#define SSCG_PLL_REF_DIVR2_MASK (0x3f << 19) +#define SSCG_PLL_REF_DIVR2_SHIFT 19 +#define SSCG_PLL_REF_DIVR2_VAL(n) (((n) << 19) & SSCG_PLL_REF_DIVR2_MASK) +#define SSCG_PLL_FEEDBACK_DIV_F1_MASK (0x3f << 13) +#define SSCG_PLL_FEEDBACK_DIV_F1_SHIFT 13 +#define SSCG_PLL_FEEDBACK_DIV_F1_VAL(n) (((n) << 13) & \ + SSCG_PLL_FEEDBACK_DIV_F1_MASK) +#define SSCG_PLL_FEEDBACK_DIV_F2_MASK (0x3f << 7) +#define SSCG_PLL_FEEDBACK_DIV_F2_SHIFT 7 +#define SSCG_PLL_FEEDBACK_DIV_F2_VAL(n) (((n) << 7) & \ + SSCG_PLL_FEEDBACK_DIV_F2_MASK) +#define SSCG_PLL_OUTPUT_DIV_VAL_MASK (0x3f << 1) +#define SSCG_PLL_OUTPUT_DIV_VAL_SHIFT 1 +#define SSCG_PLL_OUTPUT_DIV_VAL(n) (((n) << 1) & \ + SSCG_PLL_OUTPUT_DIV_VAL_MASK) +#define SSCG_PLL_FILTER_RANGE_MASK 0x1 + +#define HW_DIGPROG_MAJOR_UPPER_MASK (0xff << 16) +#define HW_DIGPROG_MAJOR_LOWER_MASK (0xff << 8) +#define HW_DIGPROG_MINOR_MASK 0xff + +#define HW_OSC_27M_CLKE_MASK BIT(4) +#define HW_OSC_25M_CLKE_MASK BIT(2) +#define HW_OSC_32K_SEL_MASK 0x1 +#define HW_OSC_32K_SEL_RTC 0x1 +#define HW_OSC_32K_SEL_25M_DIV800 0x0 + +#define HW_FRAC_ARM_PLL_DIV_MASK (0x7 << 20) +#define HW_FRAC_ARM_PLL_DIV_SHIFT 20 +#define HW_FRAC_VPU_PLL_DIV_MASK (0x7 << 16) +#define HW_FRAC_VPU_PLL_DIV_SHIFT 16 +#define HW_FRAC_GPU_PLL_DIV_MASK (0x7 << 12) +#define HW_FRAC_GPU_PLL_DIV_SHIFT 12 +#define HW_FRAC_VIDEO_PLL1_DIV_MASK (0x7 << 10) +#define HW_FRAC_VIDEO_PLL1_DIV_SHIFT 10 +#define HW_FRAC_AUDIO_PLL2_DIV_MASK (0x7 << 4) +#define HW_FRAC_AUDIO_PLL2_DIV_SHIFT 4 +#define HW_FRAC_AUDIO_PLL1_DIV_MASK 0x7 +#define HW_FRAC_AUDIO_PLL1_DIV_SHIFT 0 + +#define HW_SSCG_VIDEO_PLL2_DIV_MASK (0x7 << 16) +#define HW_SSCG_VIDEO_PLL2_DIV_SHIFT 16 +#define HW_SSCG_DRAM_PLL_DIV_MASK (0x7 << 14) +#define HW_SSCG_DRAM_PLL_DIV_SHIFT 14 +#define HW_SSCG_SYSTEM_PLL3_DIV_MASK (0x7 << 8) +#define HW_SSCG_SYSTEM_PLL3_DIV_SHIFT 8 +#define HW_SSCG_SYSTEM_PLL2_DIV_MASK (0x7 << 4) +#define HW_SSCG_SYSTEM_PLL2_DIV_SHIFT 4 +#define HW_SSCG_SYSTEM_PLL1_DIV_MASK 0x7 +#define HW_SSCG_SYSTEM_PLL1_DIV_SHIFT 0 + +enum frac_pll_out_val { + FRAC_PLL_OUT_1000M, + FRAC_PLL_OUT_1600M, +}; + +#endif diff --git a/arch/arm/mach-imx/imx8m/Makefile b/arch/arm/mach-imx/imx8m/Makefile index ec6ef3865f..e20abf135d 100644 --- a/arch/arm/mach-imx/imx8m/Makefile +++ b/arch/arm/mach-imx/imx8m/Makefile @@ -3,5 +3,6 @@ # Copyright 2017 NXP obj-y += lowlevel_init.o -obj-y += clock.o clock_slice.o soc.o +obj-y += clock_slice.o soc.o +obj-$(CONFIG_IMX8MQ) += clock_imx8mq.o obj-$(CONFIG_VIDEO_IMXDCSS) += video_common.o diff --git a/arch/arm/mach-imx/imx8m/clock.c b/arch/arm/mach-imx/imx8m/clock.c deleted file mode 100644 index 861d1731cc..0000000000 --- a/arch/arm/mach-imx/imx8m/clock.c +++ /dev/null @@ -1,897 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright 2017 NXP - * - * Peng Fan - */ - -#include -#include -#include -#include -#include -#include -#include - -static struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR; - -static u32 decode_frac_pll(enum clk_root_src frac_pll) -{ - u32 pll_cfg0, pll_cfg1, pllout; - u32 pll_refclk_sel, pll_refclk; - u32 divr_val, divq_val, divf_val, divff, divfi; - u32 pllout_div_shift, pllout_div_mask, pllout_div; - - switch (frac_pll) { - case ARM_PLL_CLK: - pll_cfg0 = readl(&ana_pll->arm_pll_cfg0); - pll_cfg1 = readl(&ana_pll->arm_pll_cfg1); - pllout_div_shift = HW_FRAC_ARM_PLL_DIV_SHIFT; - pllout_div_mask = HW_FRAC_ARM_PLL_DIV_MASK; - break; - default: - printf("Frac PLL %d not supporte\n", frac_pll); - return 0; - } - - pllout_div = readl(&ana_pll->frac_pllout_div_cfg); - pllout_div = (pllout_div & pllout_div_mask) >> pllout_div_shift; - - /* Power down */ - if (pll_cfg0 & FRAC_PLL_PD_MASK) - return 0; - - /* output not enabled */ - if ((pll_cfg0 & FRAC_PLL_CLKE_MASK) == 0) - return 0; - - pll_refclk_sel = pll_cfg0 & FRAC_PLL_REFCLK_SEL_MASK; - - if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_OSC_25M) - pll_refclk = 25000000u; - else if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_OSC_27M) - pll_refclk = 27000000u; - else if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M) - pll_refclk = 27000000u; - else - pll_refclk = 0; - - if (pll_cfg0 & FRAC_PLL_BYPASS_MASK) - return pll_refclk; - - divr_val = (pll_cfg0 & FRAC_PLL_REFCLK_DIV_VAL_MASK) >> - FRAC_PLL_REFCLK_DIV_VAL_SHIFT; - divq_val = pll_cfg0 & FRAC_PLL_OUTPUT_DIV_VAL_MASK; - - divff = (pll_cfg1 & FRAC_PLL_FRAC_DIV_CTL_MASK) >> - FRAC_PLL_FRAC_DIV_CTL_SHIFT; - divfi = pll_cfg1 & FRAC_PLL_INT_DIV_CTL_MASK; - - divf_val = 1 + divfi + divff / (1 << 24); - - pllout = pll_refclk / (divr_val + 1) * 8 * divf_val / - ((divq_val + 1) * 2); - - return pllout / (pllout_div + 1); -} - -static u32 decode_sscg_pll(enum clk_root_src sscg_pll) -{ - u32 pll_cfg0, pll_cfg1, pll_cfg2; - u32 pll_refclk_sel, pll_refclk; - u32 divr1, divr2, divf1, divf2, divq, div; - u32 sse; - u32 pll_clke; - u32 pllout_div_shift, pllout_div_mask, pllout_div; - u32 pllout; - - switch (sscg_pll) { - case SYSTEM_PLL1_800M_CLK: - case SYSTEM_PLL1_400M_CLK: - case SYSTEM_PLL1_266M_CLK: - case SYSTEM_PLL1_200M_CLK: - case SYSTEM_PLL1_160M_CLK: - case SYSTEM_PLL1_133M_CLK: - case SYSTEM_PLL1_100M_CLK: - case SYSTEM_PLL1_80M_CLK: - case SYSTEM_PLL1_40M_CLK: - pll_cfg0 = readl(&ana_pll->sys_pll1_cfg0); - pll_cfg1 = readl(&ana_pll->sys_pll1_cfg1); - pll_cfg2 = readl(&ana_pll->sys_pll1_cfg2); - pllout_div_shift = HW_SSCG_SYSTEM_PLL1_DIV_SHIFT; - pllout_div_mask = HW_SSCG_SYSTEM_PLL1_DIV_MASK; - break; - case SYSTEM_PLL2_1000M_CLK: - case SYSTEM_PLL2_500M_CLK: - case SYSTEM_PLL2_333M_CLK: - case SYSTEM_PLL2_250M_CLK: - case SYSTEM_PLL2_200M_CLK: - case SYSTEM_PLL2_166M_CLK: - case SYSTEM_PLL2_125M_CLK: - case SYSTEM_PLL2_100M_CLK: - case SYSTEM_PLL2_50M_CLK: - pll_cfg0 = readl(&ana_pll->sys_pll2_cfg0); - pll_cfg1 = readl(&ana_pll->sys_pll2_cfg1); - pll_cfg2 = readl(&ana_pll->sys_pll2_cfg2); - pllout_div_shift = HW_SSCG_SYSTEM_PLL2_DIV_SHIFT; - pllout_div_mask = HW_SSCG_SYSTEM_PLL2_DIV_MASK; - break; - case SYSTEM_PLL3_CLK: - pll_cfg0 = readl(&ana_pll->sys_pll3_cfg0); - pll_cfg1 = readl(&ana_pll->sys_pll3_cfg1); - pll_cfg2 = readl(&ana_pll->sys_pll3_cfg2); - pllout_div_shift = HW_SSCG_SYSTEM_PLL3_DIV_SHIFT; - pllout_div_mask = HW_SSCG_SYSTEM_PLL3_DIV_MASK; - break; - case DRAM_PLL1_CLK: - pll_cfg0 = readl(&ana_pll->dram_pll_cfg0); - pll_cfg1 = readl(&ana_pll->dram_pll_cfg1); - pll_cfg2 = readl(&ana_pll->dram_pll_cfg2); - pllout_div_shift = HW_SSCG_DRAM_PLL_DIV_SHIFT; - pllout_div_mask = HW_SSCG_DRAM_PLL_DIV_MASK; - break; - default: - printf("sscg pll %d not supporte\n", sscg_pll); - return 0; - } - - switch (sscg_pll) { - case DRAM_PLL1_CLK: - pll_clke = SSCG_PLL_DRAM_PLL_CLKE_MASK; - div = 1; - break; - case SYSTEM_PLL3_CLK: - pll_clke = SSCG_PLL_PLL3_CLKE_MASK; - div = 1; - break; - case SYSTEM_PLL2_1000M_CLK: - case SYSTEM_PLL1_800M_CLK: - pll_clke = SSCG_PLL_CLKE_MASK; - div = 1; - break; - case SYSTEM_PLL2_500M_CLK: - case SYSTEM_PLL1_400M_CLK: - pll_clke = SSCG_PLL_DIV2_CLKE_MASK; - div = 2; - break; - case SYSTEM_PLL2_333M_CLK: - case SYSTEM_PLL1_266M_CLK: - pll_clke = SSCG_PLL_DIV3_CLKE_MASK; - div = 3; - break; - case SYSTEM_PLL2_250M_CLK: - case SYSTEM_PLL1_200M_CLK: - pll_clke = SSCG_PLL_DIV4_CLKE_MASK; - div = 4; - break; - case SYSTEM_PLL2_200M_CLK: - case SYSTEM_PLL1_160M_CLK: - pll_clke = SSCG_PLL_DIV5_CLKE_MASK; - div = 5; - break; - case SYSTEM_PLL2_166M_CLK: - case SYSTEM_PLL1_133M_CLK: - pll_clke = SSCG_PLL_DIV6_CLKE_MASK; - div = 6; - break; - case SYSTEM_PLL2_125M_CLK: - case SYSTEM_PLL1_100M_CLK: - pll_clke = SSCG_PLL_DIV8_CLKE_MASK; - div = 8; - break; - case SYSTEM_PLL2_100M_CLK: - case SYSTEM_PLL1_80M_CLK: - pll_clke = SSCG_PLL_DIV10_CLKE_MASK; - div = 10; - break; - case SYSTEM_PLL2_50M_CLK: - case SYSTEM_PLL1_40M_CLK: - pll_clke = SSCG_PLL_DIV20_CLKE_MASK; - div = 20; - break; - default: - printf("sscg pll %d not supporte\n", sscg_pll); - return 0; - } - - /* Power down */ - if (pll_cfg0 & SSCG_PLL_PD_MASK) - return 0; - - /* output not enabled */ - if ((pll_cfg0 & pll_clke) == 0) - return 0; - - pllout_div = readl(&ana_pll->sscg_pllout_div_cfg); - pllout_div = (pllout_div & pllout_div_mask) >> pllout_div_shift; - - pll_refclk_sel = pll_cfg0 & SSCG_PLL_REFCLK_SEL_MASK; - - if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_OSC_25M) - pll_refclk = 25000000u; - else if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_OSC_27M) - pll_refclk = 27000000u; - else if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M) - pll_refclk = 27000000u; - else - pll_refclk = 0; - - /* We assume bypass1/2 are the same value */ - if ((pll_cfg0 & SSCG_PLL_BYPASS1_MASK) || - (pll_cfg0 & SSCG_PLL_BYPASS2_MASK)) - return pll_refclk; - - divr1 = (pll_cfg2 & SSCG_PLL_REF_DIVR1_MASK) >> - SSCG_PLL_REF_DIVR1_SHIFT; - divr2 = (pll_cfg2 & SSCG_PLL_REF_DIVR2_MASK) >> - SSCG_PLL_REF_DIVR2_SHIFT; - divf1 = (pll_cfg2 & SSCG_PLL_FEEDBACK_DIV_F1_MASK) >> - SSCG_PLL_FEEDBACK_DIV_F1_SHIFT; - divf2 = (pll_cfg2 & SSCG_PLL_FEEDBACK_DIV_F2_MASK) >> - SSCG_PLL_FEEDBACK_DIV_F2_SHIFT; - divq = (pll_cfg2 & SSCG_PLL_OUTPUT_DIV_VAL_MASK) >> - SSCG_PLL_OUTPUT_DIV_VAL_SHIFT; - sse = pll_cfg1 & SSCG_PLL_SSE_MASK; - - if (sse) - sse = 8; - else - sse = 2; - - pllout = pll_refclk / (divr1 + 1) * sse * (divf1 + 1) / - (divr2 + 1) * (divf2 + 1) / (divq + 1); - - return pllout / (pllout_div + 1) / div; -} - -static u32 get_root_src_clk(enum clk_root_src root_src) -{ - switch (root_src) { - case OSC_25M_CLK: - return 25000000; - case OSC_27M_CLK: - return 27000000; - case OSC_32K_CLK: - return 32768; - case ARM_PLL_CLK: - return decode_frac_pll(root_src); - case SYSTEM_PLL1_800M_CLK: - case SYSTEM_PLL1_400M_CLK: - case SYSTEM_PLL1_266M_CLK: - case SYSTEM_PLL1_200M_CLK: - case SYSTEM_PLL1_160M_CLK: - case SYSTEM_PLL1_133M_CLK: - case SYSTEM_PLL1_100M_CLK: - case SYSTEM_PLL1_80M_CLK: - case SYSTEM_PLL1_40M_CLK: - case SYSTEM_PLL2_1000M_CLK: - case SYSTEM_PLL2_500M_CLK: - case SYSTEM_PLL2_333M_CLK: - case SYSTEM_PLL2_250M_CLK: - case SYSTEM_PLL2_200M_CLK: - case SYSTEM_PLL2_166M_CLK: - case SYSTEM_PLL2_125M_CLK: - case SYSTEM_PLL2_100M_CLK: - case SYSTEM_PLL2_50M_CLK: - case SYSTEM_PLL3_CLK: - return decode_sscg_pll(root_src); - default: - return 0; - } - - return 0; -} - -static u32 get_root_clk(enum clk_root_index clock_id) -{ - enum clk_root_src root_src; - u32 post_podf, pre_podf, root_src_clk; - - if (clock_root_enabled(clock_id) <= 0) - return 0; - - if (clock_get_prediv(clock_id, &pre_podf) < 0) - return 0; - - if (clock_get_postdiv(clock_id, &post_podf) < 0) - return 0; - - if (clock_get_src(clock_id, &root_src) < 0) - return 0; - - root_src_clk = get_root_src_clk(root_src); - - return root_src_clk / (post_podf + 1) / (pre_podf + 1); -} - -#ifdef CONFIG_SECURE_BOOT -void hab_caam_clock_enable(unsigned char enable) -{ - /* The CAAM clock is always on for iMX8M */ -} -#endif - -#ifdef CONFIG_MXC_OCOTP -void enable_ocotp_clk(unsigned char enable) -{ - clock_enable(CCGR_OCOTP, !!enable); -} -#endif - -int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) -{ - /* 0 - 3 is valid i2c num */ - if (i2c_num > 3) - return -EINVAL; - - clock_enable(CCGR_I2C1 + i2c_num, !!enable); - - return 0; -} - -unsigned int mxc_get_clock(enum clk_root_index clk) -{ - u32 val; - - if (clk >= CLK_ROOT_MAX) - return 0; - - if (clk == MXC_ARM_CLK) - return get_root_clk(ARM_A53_CLK_ROOT); - - if (clk == MXC_IPG_CLK) { - clock_get_target_val(IPG_CLK_ROOT, &val); - val = val & 0x3; - return get_root_clk(AHB_CLK_ROOT) / (val + 1); - } - - return get_root_clk(clk); -} - -u32 imx_get_uartclk(void) -{ - return mxc_get_clock(UART1_CLK_ROOT); -} - -void mxs_set_lcdclk(u32 base_addr, u32 freq) -{ - /* - * LCDIF_PIXEL_CLK: select 800MHz root clock, - * select pre divider 8, output is 100 MHz - */ - clock_set_target_val(LCDIF_PIXEL_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(4) | - CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV8)); -} - -void init_wdog_clk(void) -{ - clock_enable(CCGR_WDOG1, 0); - clock_enable(CCGR_WDOG2, 0); - clock_enable(CCGR_WDOG3, 0); - clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_enable(CCGR_WDOG1, 1); - clock_enable(CCGR_WDOG2, 1); - clock_enable(CCGR_WDOG3, 1); -} - -void init_usb_clk(void) -{ - if (!is_usb_boot()) { - clock_enable(CCGR_USB_CTRL1, 0); - clock_enable(CCGR_USB_CTRL2, 0); - clock_enable(CCGR_USB_PHY1, 0); - clock_enable(CCGR_USB_PHY2, 0); - /* 500MHz */ - clock_set_target_val(USB_BUS_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1)); - /* 100MHz */ - clock_set_target_val(USB_CORE_REF_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1)); - /* 100MHz */ - clock_set_target_val(USB_PHY_REF_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1)); - clock_enable(CCGR_USB_CTRL1, 1); - clock_enable(CCGR_USB_CTRL2, 1); - clock_enable(CCGR_USB_PHY1, 1); - clock_enable(CCGR_USB_PHY2, 1); - } -} - -void init_nand_clk(void) -{ - /* - * set rawnand root - * sys pll1 400M - */ - clock_enable(CCGR_RAWNAND, 0); - clock_set_target_val(NAND_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(3) | CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV4)); /* 100M */ - clock_enable(CCGR_RAWNAND, 1); -} - -void init_uart_clk(u32 index) -{ - /* Set uart clock root 25M OSC */ - switch (index) { - case 0: - clock_enable(CCGR_UART1, 0); - clock_set_target_val(UART1_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_enable(CCGR_UART1, 1); - return; - case 1: - clock_enable(CCGR_UART2, 0); - clock_set_target_val(UART2_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_enable(CCGR_UART2, 1); - return; - case 2: - clock_enable(CCGR_UART3, 0); - clock_set_target_val(UART3_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_enable(CCGR_UART3, 1); - return; - case 3: - clock_enable(CCGR_UART4, 0); - clock_set_target_val(UART4_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_enable(CCGR_UART4, 1); - return; - default: - printf("Invalid uart index\n"); - return; - } -} - -void init_clk_usdhc(u32 index) -{ - /* - * set usdhc clock root - * sys pll1 400M - */ - switch (index) { - case 0: - clock_enable(CCGR_USDHC1, 0); - clock_set_target_val(USDHC1_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); - clock_enable(CCGR_USDHC1, 1); - return; - case 1: - clock_enable(CCGR_USDHC2, 0); - clock_set_target_val(USDHC2_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); - clock_enable(CCGR_USDHC2, 1); - return; - default: - printf("Invalid usdhc index\n"); - return; - } -} - -int set_clk_qspi(void) -{ - /* - * set qspi root - * sys pll1 100M - */ - clock_enable(CCGR_QSPI, 0); - clock_set_target_val(QSPI_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(7)); - clock_enable(CCGR_QSPI, 1); - - return 0; -} - -#ifdef CONFIG_FEC_MXC -int set_clk_enet(enum enet_freq type) -{ - u32 target; - u32 enet1_ref; - - switch (type) { - case ENET_125MHZ: - enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_125M_CLK; - break; - case ENET_50MHZ: - enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_50M_CLK; - break; - case ENET_25MHZ: - enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK; - break; - default: - return -EINVAL; - } - - /* disable the clock first */ - clock_enable(CCGR_ENET1, 0); - clock_enable(CCGR_SIM_ENET, 0); - - /* set enet axi clock 266Mhz */ - target = CLK_ROOT_ON | ENET_AXI_CLK_ROOT_FROM_SYS1_PLL_266M | - CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1); - clock_set_target_val(ENET_AXI_CLK_ROOT, target); - - target = CLK_ROOT_ON | enet1_ref | - CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1); - clock_set_target_val(ENET_REF_CLK_ROOT, target); - - target = CLK_ROOT_ON | - ENET1_TIME_CLK_ROOT_FROM_PLL_ENET_MAIN_100M_CLK | - CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV4); - clock_set_target_val(ENET_TIMER_CLK_ROOT, target); - - /* enable clock */ - clock_enable(CCGR_SIM_ENET, 1); - clock_enable(CCGR_ENET1, 1); - - return 0; -} -#endif - -u32 imx_get_fecclk(void) -{ - return get_root_clk(ENET_AXI_CLK_ROOT); -} - -static struct dram_bypass_clk_setting imx8mq_dram_bypass_tbl[] = { - DRAM_BYPASS_ROOT_CONFIG(MHZ(100), 2, CLK_ROOT_PRE_DIV1, 2, - CLK_ROOT_PRE_DIV2), - DRAM_BYPASS_ROOT_CONFIG(MHZ(250), 3, CLK_ROOT_PRE_DIV2, 2, - CLK_ROOT_PRE_DIV2), - DRAM_BYPASS_ROOT_CONFIG(MHZ(400), 1, CLK_ROOT_PRE_DIV2, 3, - CLK_ROOT_PRE_DIV2), -}; - -void dram_enable_bypass(ulong clk_val) -{ - int i; - struct dram_bypass_clk_setting *config; - - for (i = 0; i < ARRAY_SIZE(imx8mq_dram_bypass_tbl); i++) { - if (clk_val == imx8mq_dram_bypass_tbl[i].clk) - break; - } - - if (i == ARRAY_SIZE(imx8mq_dram_bypass_tbl)) { - printf("No matched freq table %lu\n", clk_val); - return; - } - - config = &imx8mq_dram_bypass_tbl[i]; - - clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(config->alt_root_sel) | - CLK_ROOT_PRE_DIV(config->alt_pre_div)); - clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(config->apb_root_sel) | - CLK_ROOT_PRE_DIV(config->apb_pre_div)); - clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1)); -} - -void dram_disable_bypass(void) -{ - clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(4) | - CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV5)); -} - -#ifdef CONFIG_SPL_BUILD -void dram_pll_init(ulong pll_val) -{ - u32 val; - void __iomem *pll_control_reg = &ana_pll->dram_pll_cfg0; - void __iomem *pll_cfg_reg2 = &ana_pll->dram_pll_cfg2; - - /* Bypass */ - setbits_le32(pll_control_reg, SSCG_PLL_BYPASS1_MASK); - setbits_le32(pll_control_reg, SSCG_PLL_BYPASS2_MASK); - - switch (pll_val) { - case MHZ(800): - val = readl(pll_cfg_reg2); - val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | - SSCG_PLL_FEEDBACK_DIV_F2_MASK | - SSCG_PLL_FEEDBACK_DIV_F1_MASK | - SSCG_PLL_REF_DIVR2_MASK); - val |= SSCG_PLL_OUTPUT_DIV_VAL(0); - val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(11); - val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); - val |= SSCG_PLL_REF_DIVR2_VAL(29); - writel(val, pll_cfg_reg2); - break; - case MHZ(600): - val = readl(pll_cfg_reg2); - val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | - SSCG_PLL_FEEDBACK_DIV_F2_MASK | - SSCG_PLL_FEEDBACK_DIV_F1_MASK | - SSCG_PLL_REF_DIVR2_MASK); - val |= SSCG_PLL_OUTPUT_DIV_VAL(1); - val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(17); - val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); - val |= SSCG_PLL_REF_DIVR2_VAL(29); - writel(val, pll_cfg_reg2); - break; - case MHZ(400): - val = readl(pll_cfg_reg2); - val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | - SSCG_PLL_FEEDBACK_DIV_F2_MASK | - SSCG_PLL_FEEDBACK_DIV_F1_MASK | - SSCG_PLL_REF_DIVR2_MASK); - val |= SSCG_PLL_OUTPUT_DIV_VAL(1); - val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(11); - val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); - val |= SSCG_PLL_REF_DIVR2_VAL(29); - writel(val, pll_cfg_reg2); - break; - case MHZ(167): - val = readl(pll_cfg_reg2); - val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | - SSCG_PLL_FEEDBACK_DIV_F2_MASK | - SSCG_PLL_FEEDBACK_DIV_F1_MASK | - SSCG_PLL_REF_DIVR2_MASK); - val |= SSCG_PLL_OUTPUT_DIV_VAL(3); - val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(8); - val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(45); - val |= SSCG_PLL_REF_DIVR2_VAL(30); - writel(val, pll_cfg_reg2); - break; - default: - break; - } - - /* Clear power down bit */ - clrbits_le32(pll_control_reg, SSCG_PLL_PD_MASK); - /* Eanble ARM_PLL/SYS_PLL */ - setbits_le32(pll_control_reg, SSCG_PLL_DRAM_PLL_CLKE_MASK); - - /* Clear bypass */ - clrbits_le32(pll_control_reg, SSCG_PLL_BYPASS1_MASK); - __udelay(100); - clrbits_le32(pll_control_reg, SSCG_PLL_BYPASS2_MASK); - /* Wait lock */ - while (!(readl(pll_control_reg) & SSCG_PLL_LOCK_MASK)) - ; -} - -int frac_pll_init(u32 pll, enum frac_pll_out_val val) -{ - void __iomem *pll_cfg0, __iomem *pll_cfg1; - u32 val_cfg0, val_cfg1; - int ret; - - switch (pll) { - case ANATOP_ARM_PLL: - pll_cfg0 = &ana_pll->arm_pll_cfg0; - pll_cfg1 = &ana_pll->arm_pll_cfg1; - - if (val == FRAC_PLL_OUT_1000M) - val_cfg1 = FRAC_PLL_INT_DIV_CTL_VAL(49); - else - val_cfg1 = FRAC_PLL_INT_DIV_CTL_VAL(79); - val_cfg0 = FRAC_PLL_CLKE_MASK | FRAC_PLL_REFCLK_SEL_OSC_25M | - FRAC_PLL_LOCK_SEL_MASK | FRAC_PLL_NEWDIV_VAL_MASK | - FRAC_PLL_REFCLK_DIV_VAL(4) | - FRAC_PLL_OUTPUT_DIV_VAL(0); - break; - default: - return -EINVAL; - } - - /* bypass the clock */ - setbits_le32(pll_cfg0, FRAC_PLL_BYPASS_MASK); - /* Set the value */ - writel(val_cfg1, pll_cfg1); - writel(val_cfg0 | FRAC_PLL_BYPASS_MASK, pll_cfg0); - val_cfg0 = readl(pll_cfg0); - /* unbypass the clock */ - clrbits_le32(pll_cfg0, FRAC_PLL_BYPASS_MASK); - ret = readl_poll_timeout(pll_cfg0, val_cfg0, - val_cfg0 & FRAC_PLL_LOCK_MASK, 1); - if (ret) - printf("%s timeout\n", __func__); - clrbits_le32(pll_cfg0, FRAC_PLL_NEWDIV_VAL_MASK); - - return 0; -} - -int sscg_pll_init(u32 pll) -{ - void __iomem *pll_cfg0, __iomem *pll_cfg1, __iomem *pll_cfg2; - u32 val_cfg0, val_cfg1, val_cfg2, val; - u32 bypass1_mask = 0x20, bypass2_mask = 0x10; - int ret; - - switch (pll) { - case ANATOP_SYSTEM_PLL1: - pll_cfg0 = &ana_pll->sys_pll1_cfg0; - pll_cfg1 = &ana_pll->sys_pll1_cfg1; - pll_cfg2 = &ana_pll->sys_pll1_cfg2; - /* 800MHz */ - val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | - SSCG_PLL_FEEDBACK_DIV_F2_VAL(3); - val_cfg1 = 0; - val_cfg0 = SSCG_PLL_CLKE_MASK | SSCG_PLL_DIV2_CLKE_MASK | - SSCG_PLL_DIV3_CLKE_MASK | SSCG_PLL_DIV4_CLKE_MASK | - SSCG_PLL_DIV5_CLKE_MASK | SSCG_PLL_DIV6_CLKE_MASK | - SSCG_PLL_DIV8_CLKE_MASK | SSCG_PLL_DIV10_CLKE_MASK | - SSCG_PLL_DIV20_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | - SSCG_PLL_REFCLK_SEL_OSC_25M; - break; - case ANATOP_SYSTEM_PLL2: - pll_cfg0 = &ana_pll->sys_pll2_cfg0; - pll_cfg1 = &ana_pll->sys_pll2_cfg1; - pll_cfg2 = &ana_pll->sys_pll2_cfg2; - /* 1000MHz */ - val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | - SSCG_PLL_FEEDBACK_DIV_F2_VAL(4); - val_cfg1 = 0; - val_cfg0 = SSCG_PLL_CLKE_MASK | SSCG_PLL_DIV2_CLKE_MASK | - SSCG_PLL_DIV3_CLKE_MASK | SSCG_PLL_DIV4_CLKE_MASK | - SSCG_PLL_DIV5_CLKE_MASK | SSCG_PLL_DIV6_CLKE_MASK | - SSCG_PLL_DIV8_CLKE_MASK | SSCG_PLL_DIV10_CLKE_MASK | - SSCG_PLL_DIV20_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | - SSCG_PLL_REFCLK_SEL_OSC_25M; - break; - case ANATOP_SYSTEM_PLL3: - pll_cfg0 = &ana_pll->sys_pll3_cfg0; - pll_cfg1 = &ana_pll->sys_pll3_cfg1; - pll_cfg2 = &ana_pll->sys_pll3_cfg2; - /* 800MHz */ - val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | - SSCG_PLL_FEEDBACK_DIV_F2_VAL(3); - val_cfg1 = 0; - val_cfg0 = SSCG_PLL_PLL3_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | - SSCG_PLL_REFCLK_SEL_OSC_25M; - break; - default: - return -EINVAL; - } - - /*bypass*/ - setbits_le32(pll_cfg0, bypass1_mask | bypass2_mask); - /* set value */ - writel(val_cfg2, pll_cfg2); - writel(val_cfg1, pll_cfg1); - /*unbypass1 and wait 70us */ - writel(val_cfg0 | bypass2_mask, pll_cfg1); - - __udelay(70); - - /* unbypass2 and wait lock */ - writel(val_cfg0, pll_cfg1); - ret = readl_poll_timeout(pll_cfg0, val, val & SSCG_PLL_LOCK_MASK, 1); - if (ret) - printf("%s timeout\n", __func__); - - return ret; -} - -int clock_init(void) -{ - u32 grade; - - clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(0)); - - /* - * 8MQ only supports two grades: consumer and industrial. - * We set ARM clock to 1Ghz for consumer, 800Mhz for industrial - */ - grade = get_cpu_temp_grade(NULL, NULL); - if (!grade) { - frac_pll_init(ANATOP_ARM_PLL, FRAC_PLL_OUT_1000M); - clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1)); - } else { - frac_pll_init(ANATOP_ARM_PLL, FRAC_PLL_OUT_1600M); - clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1) | - CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); - } - /* - * According to ANAMIX SPEC - * sys pll1 fixed at 800MHz - * sys pll2 fixed at 1GHz - * Here we only enable the outputs. - */ - setbits_le32(&ana_pll->sys_pll1_cfg0, SSCG_PLL_CLKE_MASK | - SSCG_PLL_DIV2_CLKE_MASK | SSCG_PLL_DIV3_CLKE_MASK | - SSCG_PLL_DIV4_CLKE_MASK | SSCG_PLL_DIV5_CLKE_MASK | - SSCG_PLL_DIV6_CLKE_MASK | SSCG_PLL_DIV8_CLKE_MASK | - SSCG_PLL_DIV10_CLKE_MASK | SSCG_PLL_DIV20_CLKE_MASK); - - setbits_le32(&ana_pll->sys_pll2_cfg0, SSCG_PLL_CLKE_MASK | - SSCG_PLL_DIV2_CLKE_MASK | SSCG_PLL_DIV3_CLKE_MASK | - SSCG_PLL_DIV4_CLKE_MASK | SSCG_PLL_DIV5_CLKE_MASK | - SSCG_PLL_DIV6_CLKE_MASK | SSCG_PLL_DIV8_CLKE_MASK | - SSCG_PLL_DIV10_CLKE_MASK | SSCG_PLL_DIV20_CLKE_MASK); - - clock_set_target_val(NAND_USDHC_BUS_CLK_ROOT, CLK_ROOT_ON | - CLK_ROOT_SOURCE_SEL(1)); - - init_wdog_clk(); - clock_enable(CCGR_TSENSOR, 1); - - return 0; -} -#endif - -/* - * Dump some clockes. - */ -#ifndef CONFIG_SPL_BUILD -int do_imx8m_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, - char * const argv[]) -{ - u32 freq; - - freq = decode_frac_pll(ARM_PLL_CLK); - printf("ARM_PLL %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_800M_CLK); - printf("SYS_PLL1_800 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_400M_CLK); - printf("SYS_PLL1_400 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_266M_CLK); - printf("SYS_PLL1_266 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_200M_CLK); - printf("SYS_PLL1_200 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_160M_CLK); - printf("SYS_PLL1_160 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_133M_CLK); - printf("SYS_PLL1_133 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_100M_CLK); - printf("SYS_PLL1_100 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_80M_CLK); - printf("SYS_PLL1_80 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL1_40M_CLK); - printf("SYS_PLL1_40 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_1000M_CLK); - printf("SYS_PLL2_1000 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_500M_CLK); - printf("SYS_PLL2_500 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_333M_CLK); - printf("SYS_PLL2_333 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_250M_CLK); - printf("SYS_PLL2_250 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_200M_CLK); - printf("SYS_PLL2_200 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_166M_CLK); - printf("SYS_PLL2_166 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_125M_CLK); - printf("SYS_PLL2_125 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_100M_CLK); - printf("SYS_PLL2_100 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL2_50M_CLK); - printf("SYS_PLL2_50 %8d MHz\n", freq / 1000000); - freq = decode_sscg_pll(SYSTEM_PLL3_CLK); - printf("SYS_PLL3 %8d MHz\n", freq / 1000000); - freq = mxc_get_clock(UART1_CLK_ROOT); - printf("UART1 %8d MHz\n", freq / 1000000); - freq = mxc_get_clock(USDHC1_CLK_ROOT); - printf("USDHC1 %8d MHz\n", freq / 1000000); - freq = mxc_get_clock(QSPI_CLK_ROOT); - printf("QSPI %8d MHz\n", freq / 1000000); - return 0; -} - -U_BOOT_CMD( - clocks, CONFIG_SYS_MAXARGS, 1, do_imx8m_showclocks, - "display clocks", - "" -); -#endif diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c new file mode 100644 index 0000000000..3c33890698 --- /dev/null +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -0,0 +1,909 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2017 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include +#include +#include + +static struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR; + +static u32 decode_frac_pll(enum clk_root_src frac_pll) +{ + u32 pll_cfg0, pll_cfg1, pllout; + u32 pll_refclk_sel, pll_refclk; + u32 divr_val, divq_val, divf_val, divff, divfi; + u32 pllout_div_shift, pllout_div_mask, pllout_div; + + switch (frac_pll) { + case ARM_PLL_CLK: + pll_cfg0 = readl(&ana_pll->arm_pll_cfg0); + pll_cfg1 = readl(&ana_pll->arm_pll_cfg1); + pllout_div_shift = HW_FRAC_ARM_PLL_DIV_SHIFT; + pllout_div_mask = HW_FRAC_ARM_PLL_DIV_MASK; + break; + default: + printf("Frac PLL %d not supporte\n", frac_pll); + return 0; + } + + pllout_div = readl(&ana_pll->frac_pllout_div_cfg); + pllout_div = (pllout_div & pllout_div_mask) >> pllout_div_shift; + + /* Power down */ + if (pll_cfg0 & FRAC_PLL_PD_MASK) + return 0; + + /* output not enabled */ + if ((pll_cfg0 & FRAC_PLL_CLKE_MASK) == 0) + return 0; + + pll_refclk_sel = pll_cfg0 & FRAC_PLL_REFCLK_SEL_MASK; + + if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_OSC_25M) + pll_refclk = 25000000u; + else if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_OSC_27M) + pll_refclk = 27000000u; + else if (pll_refclk_sel == FRAC_PLL_REFCLK_SEL_HDMI_PHY_27M) + pll_refclk = 27000000u; + else + pll_refclk = 0; + + if (pll_cfg0 & FRAC_PLL_BYPASS_MASK) + return pll_refclk; + + divr_val = (pll_cfg0 & FRAC_PLL_REFCLK_DIV_VAL_MASK) >> + FRAC_PLL_REFCLK_DIV_VAL_SHIFT; + divq_val = pll_cfg0 & FRAC_PLL_OUTPUT_DIV_VAL_MASK; + + divff = (pll_cfg1 & FRAC_PLL_FRAC_DIV_CTL_MASK) >> + FRAC_PLL_FRAC_DIV_CTL_SHIFT; + divfi = pll_cfg1 & FRAC_PLL_INT_DIV_CTL_MASK; + + divf_val = 1 + divfi + divff / (1 << 24); + + pllout = pll_refclk / (divr_val + 1) * 8 * divf_val / + ((divq_val + 1) * 2); + + return pllout / (pllout_div + 1); +} + +static u32 decode_sscg_pll(enum clk_root_src sscg_pll) +{ + u32 pll_cfg0, pll_cfg1, pll_cfg2; + u32 pll_refclk_sel, pll_refclk; + u32 divr1, divr2, divf1, divf2, divq, div; + u32 sse; + u32 pll_clke; + u32 pllout_div_shift, pllout_div_mask, pllout_div; + u32 pllout; + + switch (sscg_pll) { + case SYSTEM_PLL1_800M_CLK: + case SYSTEM_PLL1_400M_CLK: + case SYSTEM_PLL1_266M_CLK: + case SYSTEM_PLL1_200M_CLK: + case SYSTEM_PLL1_160M_CLK: + case SYSTEM_PLL1_133M_CLK: + case SYSTEM_PLL1_100M_CLK: + case SYSTEM_PLL1_80M_CLK: + case SYSTEM_PLL1_40M_CLK: + pll_cfg0 = readl(&ana_pll->sys_pll1_cfg0); + pll_cfg1 = readl(&ana_pll->sys_pll1_cfg1); + pll_cfg2 = readl(&ana_pll->sys_pll1_cfg2); + pllout_div_shift = HW_SSCG_SYSTEM_PLL1_DIV_SHIFT; + pllout_div_mask = HW_SSCG_SYSTEM_PLL1_DIV_MASK; + break; + case SYSTEM_PLL2_1000M_CLK: + case SYSTEM_PLL2_500M_CLK: + case SYSTEM_PLL2_333M_CLK: + case SYSTEM_PLL2_250M_CLK: + case SYSTEM_PLL2_200M_CLK: + case SYSTEM_PLL2_166M_CLK: + case SYSTEM_PLL2_125M_CLK: + case SYSTEM_PLL2_100M_CLK: + case SYSTEM_PLL2_50M_CLK: + pll_cfg0 = readl(&ana_pll->sys_pll2_cfg0); + pll_cfg1 = readl(&ana_pll->sys_pll2_cfg1); + pll_cfg2 = readl(&ana_pll->sys_pll2_cfg2); + pllout_div_shift = HW_SSCG_SYSTEM_PLL2_DIV_SHIFT; + pllout_div_mask = HW_SSCG_SYSTEM_PLL2_DIV_MASK; + break; + case SYSTEM_PLL3_CLK: + pll_cfg0 = readl(&ana_pll->sys_pll3_cfg0); + pll_cfg1 = readl(&ana_pll->sys_pll3_cfg1); + pll_cfg2 = readl(&ana_pll->sys_pll3_cfg2); + pllout_div_shift = HW_SSCG_SYSTEM_PLL3_DIV_SHIFT; + pllout_div_mask = HW_SSCG_SYSTEM_PLL3_DIV_MASK; + break; + case DRAM_PLL1_CLK: + pll_cfg0 = readl(&ana_pll->dram_pll_cfg0); + pll_cfg1 = readl(&ana_pll->dram_pll_cfg1); + pll_cfg2 = readl(&ana_pll->dram_pll_cfg2); + pllout_div_shift = HW_SSCG_DRAM_PLL_DIV_SHIFT; + pllout_div_mask = HW_SSCG_DRAM_PLL_DIV_MASK; + break; + default: + printf("sscg pll %d not supporte\n", sscg_pll); + return 0; + } + + switch (sscg_pll) { + case DRAM_PLL1_CLK: + pll_clke = SSCG_PLL_DRAM_PLL_CLKE_MASK; + div = 1; + break; + case SYSTEM_PLL3_CLK: + pll_clke = SSCG_PLL_PLL3_CLKE_MASK; + div = 1; + break; + case SYSTEM_PLL2_1000M_CLK: + case SYSTEM_PLL1_800M_CLK: + pll_clke = SSCG_PLL_CLKE_MASK; + div = 1; + break; + case SYSTEM_PLL2_500M_CLK: + case SYSTEM_PLL1_400M_CLK: + pll_clke = SSCG_PLL_DIV2_CLKE_MASK; + div = 2; + break; + case SYSTEM_PLL2_333M_CLK: + case SYSTEM_PLL1_266M_CLK: + pll_clke = SSCG_PLL_DIV3_CLKE_MASK; + div = 3; + break; + case SYSTEM_PLL2_250M_CLK: + case SYSTEM_PLL1_200M_CLK: + pll_clke = SSCG_PLL_DIV4_CLKE_MASK; + div = 4; + break; + case SYSTEM_PLL2_200M_CLK: + case SYSTEM_PLL1_160M_CLK: + pll_clke = SSCG_PLL_DIV5_CLKE_MASK; + div = 5; + break; + case SYSTEM_PLL2_166M_CLK: + case SYSTEM_PLL1_133M_CLK: + pll_clke = SSCG_PLL_DIV6_CLKE_MASK; + div = 6; + break; + case SYSTEM_PLL2_125M_CLK: + case SYSTEM_PLL1_100M_CLK: + pll_clke = SSCG_PLL_DIV8_CLKE_MASK; + div = 8; + break; + case SYSTEM_PLL2_100M_CLK: + case SYSTEM_PLL1_80M_CLK: + pll_clke = SSCG_PLL_DIV10_CLKE_MASK; + div = 10; + break; + case SYSTEM_PLL2_50M_CLK: + case SYSTEM_PLL1_40M_CLK: + pll_clke = SSCG_PLL_DIV20_CLKE_MASK; + div = 20; + break; + default: + printf("sscg pll %d not supporte\n", sscg_pll); + return 0; + } + + /* Power down */ + if (pll_cfg0 & SSCG_PLL_PD_MASK) + return 0; + + /* output not enabled */ + if ((pll_cfg0 & pll_clke) == 0) + return 0; + + pllout_div = readl(&ana_pll->sscg_pllout_div_cfg); + pllout_div = (pllout_div & pllout_div_mask) >> pllout_div_shift; + + pll_refclk_sel = pll_cfg0 & SSCG_PLL_REFCLK_SEL_MASK; + + if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_OSC_25M) + pll_refclk = 25000000u; + else if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_OSC_27M) + pll_refclk = 27000000u; + else if (pll_refclk_sel == SSCG_PLL_REFCLK_SEL_HDMI_PHY_27M) + pll_refclk = 27000000u; + else + pll_refclk = 0; + + /* We assume bypass1/2 are the same value */ + if ((pll_cfg0 & SSCG_PLL_BYPASS1_MASK) || + (pll_cfg0 & SSCG_PLL_BYPASS2_MASK)) + return pll_refclk; + + divr1 = (pll_cfg2 & SSCG_PLL_REF_DIVR1_MASK) >> + SSCG_PLL_REF_DIVR1_SHIFT; + divr2 = (pll_cfg2 & SSCG_PLL_REF_DIVR2_MASK) >> + SSCG_PLL_REF_DIVR2_SHIFT; + divf1 = (pll_cfg2 & SSCG_PLL_FEEDBACK_DIV_F1_MASK) >> + SSCG_PLL_FEEDBACK_DIV_F1_SHIFT; + divf2 = (pll_cfg2 & SSCG_PLL_FEEDBACK_DIV_F2_MASK) >> + SSCG_PLL_FEEDBACK_DIV_F2_SHIFT; + divq = (pll_cfg2 & SSCG_PLL_OUTPUT_DIV_VAL_MASK) >> + SSCG_PLL_OUTPUT_DIV_VAL_SHIFT; + sse = pll_cfg1 & SSCG_PLL_SSE_MASK; + + if (sse) + sse = 8; + else + sse = 2; + + pllout = pll_refclk / (divr1 + 1) * sse * (divf1 + 1) / + (divr2 + 1) * (divf2 + 1) / (divq + 1); + + return pllout / (pllout_div + 1) / div; +} + +static u32 get_root_src_clk(enum clk_root_src root_src) +{ + switch (root_src) { + case OSC_25M_CLK: + return 25000000; + case OSC_27M_CLK: + return 27000000; + case OSC_32K_CLK: + return 32768; + case ARM_PLL_CLK: + return decode_frac_pll(root_src); + case SYSTEM_PLL1_800M_CLK: + case SYSTEM_PLL1_400M_CLK: + case SYSTEM_PLL1_266M_CLK: + case SYSTEM_PLL1_200M_CLK: + case SYSTEM_PLL1_160M_CLK: + case SYSTEM_PLL1_133M_CLK: + case SYSTEM_PLL1_100M_CLK: + case SYSTEM_PLL1_80M_CLK: + case SYSTEM_PLL1_40M_CLK: + case SYSTEM_PLL2_1000M_CLK: + case SYSTEM_PLL2_500M_CLK: + case SYSTEM_PLL2_333M_CLK: + case SYSTEM_PLL2_250M_CLK: + case SYSTEM_PLL2_200M_CLK: + case SYSTEM_PLL2_166M_CLK: + case SYSTEM_PLL2_125M_CLK: + case SYSTEM_PLL2_100M_CLK: + case SYSTEM_PLL2_50M_CLK: + case SYSTEM_PLL3_CLK: + return decode_sscg_pll(root_src); + default: + return 0; + } + + return 0; +} + +static u32 get_root_clk(enum clk_root_index clock_id) +{ + enum clk_root_src root_src; + u32 post_podf, pre_podf, root_src_clk; + + if (clock_root_enabled(clock_id) <= 0) + return 0; + + if (clock_get_prediv(clock_id, &pre_podf) < 0) + return 0; + + if (clock_get_postdiv(clock_id, &post_podf) < 0) + return 0; + + if (clock_get_src(clock_id, &root_src) < 0) + return 0; + + root_src_clk = get_root_src_clk(root_src); + + return root_src_clk / (post_podf + 1) / (pre_podf + 1); +} + +#ifdef CONFIG_SECURE_BOOT +void hab_caam_clock_enable(unsigned char enable) +{ + /* The CAAM clock is always on for iMX8M */ +} +#endif + +#ifdef CONFIG_MXC_OCOTP +void enable_ocotp_clk(unsigned char enable) +{ + clock_enable(CCGR_OCOTP, !!enable); +} +#endif + +int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) +{ + /* 0 - 3 is valid i2c num */ + if (i2c_num > 3) + return -EINVAL; + + clock_enable(CCGR_I2C1 + i2c_num, !!enable); + + return 0; +} + +unsigned int mxc_get_clock(enum mxc_clock clk) +{ + u32 val; + + switch (clk) { + case MXC_ARM_CLK: + return get_root_clk(ARM_A53_CLK_ROOT); + case MXC_IPG_CLK: + clock_get_target_val(IPG_CLK_ROOT, &val); + val = val & 0x3; + return get_root_clk(AHB_CLK_ROOT) / (val + 1); + case MXC_CSPI_CLK: + return get_root_clk(ECSPI1_CLK_ROOT); + case MXC_ESDHC_CLK: + return get_root_clk(USDHC1_CLK_ROOT); + case MXC_ESDHC2_CLK: + return get_root_clk(USDHC2_CLK_ROOT); + case MXC_I2C_CLK: + return get_root_clk(I2C1_CLK_ROOT); + case MXC_UART_CLK: + return get_root_clk(UART1_CLK_ROOT); + case MXC_QSPI_CLK: + return get_root_clk(QSPI_CLK_ROOT); + default: + printf("Unsupported mxc_clock %d\n", clk); + break; + } + + return 0; +} + +u32 imx_get_uartclk(void) +{ + return mxc_get_clock(MXC_UART_CLK); +} + +void mxs_set_lcdclk(u32 base_addr, u32 freq) +{ + /* + * LCDIF_PIXEL_CLK: select 800MHz root clock, + * select pre divider 8, output is 100 MHz + */ + clock_set_target_val(LCDIF_PIXEL_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(4) | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV8)); +} + +void init_wdog_clk(void) +{ + clock_enable(CCGR_WDOG1, 0); + clock_enable(CCGR_WDOG2, 0); + clock_enable(CCGR_WDOG3, 0); + clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_WDOG1, 1); + clock_enable(CCGR_WDOG2, 1); + clock_enable(CCGR_WDOG3, 1); +} + +void init_usb_clk(void) +{ + if (!is_usb_boot()) { + clock_enable(CCGR_USB_CTRL1, 0); + clock_enable(CCGR_USB_CTRL2, 0); + clock_enable(CCGR_USB_PHY1, 0); + clock_enable(CCGR_USB_PHY2, 0); + /* 500MHz */ + clock_set_target_val(USB_BUS_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + /* 100MHz */ + clock_set_target_val(USB_CORE_REF_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + /* 100MHz */ + clock_set_target_val(USB_PHY_REF_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + clock_enable(CCGR_USB_CTRL1, 1); + clock_enable(CCGR_USB_CTRL2, 1); + clock_enable(CCGR_USB_PHY1, 1); + clock_enable(CCGR_USB_PHY2, 1); + } +} + +void init_nand_clk(void) +{ + /* + * set rawnand root + * sys pll1 400M + */ + clock_enable(CCGR_RAWNAND, 0); + clock_set_target_val(NAND_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(3) | CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV4)); /* 100M */ + clock_enable(CCGR_RAWNAND, 1); +} + +void init_uart_clk(u32 index) +{ + /* Set uart clock root 25M OSC */ + switch (index) { + case 0: + clock_enable(CCGR_UART1, 0); + clock_set_target_val(UART1_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART1, 1); + return; + case 1: + clock_enable(CCGR_UART2, 0); + clock_set_target_val(UART2_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART2, 1); + return; + case 2: + clock_enable(CCGR_UART3, 0); + clock_set_target_val(UART3_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART3, 1); + return; + case 3: + clock_enable(CCGR_UART4, 0); + clock_set_target_val(UART4_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART4, 1); + return; + default: + printf("Invalid uart index\n"); + return; + } +} + +void init_clk_usdhc(u32 index) +{ + /* + * set usdhc clock root + * sys pll1 400M + */ + switch (index) { + case 0: + clock_enable(CCGR_USDHC1, 0); + clock_set_target_val(USDHC1_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); + clock_enable(CCGR_USDHC1, 1); + return; + case 1: + clock_enable(CCGR_USDHC2, 0); + clock_set_target_val(USDHC2_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); + clock_enable(CCGR_USDHC2, 1); + return; + default: + printf("Invalid usdhc index\n"); + return; + } +} + +int set_clk_qspi(void) +{ + /* + * set qspi root + * sys pll1 100M + */ + clock_enable(CCGR_QSPI, 0); + clock_set_target_val(QSPI_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(7)); + clock_enable(CCGR_QSPI, 1); + + return 0; +} + +#ifdef CONFIG_FEC_MXC +int set_clk_enet(enum enet_freq type) +{ + u32 target; + u32 enet1_ref; + + switch (type) { + case ENET_125MHZ: + enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_125M_CLK; + break; + case ENET_50MHZ: + enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_50M_CLK; + break; + case ENET_25MHZ: + enet1_ref = ENET1_REF_CLK_ROOT_FROM_PLL_ENET_MAIN_25M_CLK; + break; + default: + return -EINVAL; + } + + /* disable the clock first */ + clock_enable(CCGR_ENET1, 0); + clock_enable(CCGR_SIM_ENET, 0); + + /* set enet axi clock 266Mhz */ + target = CLK_ROOT_ON | ENET_AXI_CLK_ROOT_FROM_SYS1_PLL_266M | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1); + clock_set_target_val(ENET_AXI_CLK_ROOT, target); + + target = CLK_ROOT_ON | enet1_ref | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1); + clock_set_target_val(ENET_REF_CLK_ROOT, target); + + target = CLK_ROOT_ON | + ENET1_TIME_CLK_ROOT_FROM_PLL_ENET_MAIN_100M_CLK | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV4); + clock_set_target_val(ENET_TIMER_CLK_ROOT, target); + + /* enable clock */ + clock_enable(CCGR_SIM_ENET, 1); + clock_enable(CCGR_ENET1, 1); + + return 0; +} +#endif + +u32 imx_get_fecclk(void) +{ + return get_root_clk(ENET_AXI_CLK_ROOT); +} + +static struct dram_bypass_clk_setting imx8mq_dram_bypass_tbl[] = { + DRAM_BYPASS_ROOT_CONFIG(MHZ(100), 2, CLK_ROOT_PRE_DIV1, 2, + CLK_ROOT_PRE_DIV2), + DRAM_BYPASS_ROOT_CONFIG(MHZ(250), 3, CLK_ROOT_PRE_DIV2, 2, + CLK_ROOT_PRE_DIV2), + DRAM_BYPASS_ROOT_CONFIG(MHZ(400), 1, CLK_ROOT_PRE_DIV2, 3, + CLK_ROOT_PRE_DIV2), +}; + +void dram_enable_bypass(ulong clk_val) +{ + int i; + struct dram_bypass_clk_setting *config; + + for (i = 0; i < ARRAY_SIZE(imx8mq_dram_bypass_tbl); i++) { + if (clk_val == imx8mq_dram_bypass_tbl[i].clk) + break; + } + + if (i == ARRAY_SIZE(imx8mq_dram_bypass_tbl)) { + printf("No matched freq table %lu\n", clk_val); + return; + } + + config = &imx8mq_dram_bypass_tbl[i]; + + clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(config->alt_root_sel) | + CLK_ROOT_PRE_DIV(config->alt_pre_div)); + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(config->apb_root_sel) | + CLK_ROOT_PRE_DIV(config->apb_pre_div)); + clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); +} + +void dram_disable_bypass(void) +{ + clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(4) | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV5)); +} + +#ifdef CONFIG_SPL_BUILD +void dram_pll_init(ulong pll_val) +{ + u32 val; + void __iomem *pll_control_reg = &ana_pll->dram_pll_cfg0; + void __iomem *pll_cfg_reg2 = &ana_pll->dram_pll_cfg2; + + /* Bypass */ + setbits_le32(pll_control_reg, SSCG_PLL_BYPASS1_MASK); + setbits_le32(pll_control_reg, SSCG_PLL_BYPASS2_MASK); + + switch (pll_val) { + case MHZ(800): + val = readl(pll_cfg_reg2); + val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | + SSCG_PLL_FEEDBACK_DIV_F2_MASK | + SSCG_PLL_FEEDBACK_DIV_F1_MASK | + SSCG_PLL_REF_DIVR2_MASK); + val |= SSCG_PLL_OUTPUT_DIV_VAL(0); + val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(11); + val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); + val |= SSCG_PLL_REF_DIVR2_VAL(29); + writel(val, pll_cfg_reg2); + break; + case MHZ(600): + val = readl(pll_cfg_reg2); + val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | + SSCG_PLL_FEEDBACK_DIV_F2_MASK | + SSCG_PLL_FEEDBACK_DIV_F1_MASK | + SSCG_PLL_REF_DIVR2_MASK); + val |= SSCG_PLL_OUTPUT_DIV_VAL(1); + val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(17); + val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); + val |= SSCG_PLL_REF_DIVR2_VAL(29); + writel(val, pll_cfg_reg2); + break; + case MHZ(400): + val = readl(pll_cfg_reg2); + val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | + SSCG_PLL_FEEDBACK_DIV_F2_MASK | + SSCG_PLL_FEEDBACK_DIV_F1_MASK | + SSCG_PLL_REF_DIVR2_MASK); + val |= SSCG_PLL_OUTPUT_DIV_VAL(1); + val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(11); + val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(39); + val |= SSCG_PLL_REF_DIVR2_VAL(29); + writel(val, pll_cfg_reg2); + break; + case MHZ(167): + val = readl(pll_cfg_reg2); + val &= ~(SSCG_PLL_OUTPUT_DIV_VAL_MASK | + SSCG_PLL_FEEDBACK_DIV_F2_MASK | + SSCG_PLL_FEEDBACK_DIV_F1_MASK | + SSCG_PLL_REF_DIVR2_MASK); + val |= SSCG_PLL_OUTPUT_DIV_VAL(3); + val |= SSCG_PLL_FEEDBACK_DIV_F2_VAL(8); + val |= SSCG_PLL_FEEDBACK_DIV_F1_VAL(45); + val |= SSCG_PLL_REF_DIVR2_VAL(30); + writel(val, pll_cfg_reg2); + break; + default: + break; + } + + /* Clear power down bit */ + clrbits_le32(pll_control_reg, SSCG_PLL_PD_MASK); + /* Eanble ARM_PLL/SYS_PLL */ + setbits_le32(pll_control_reg, SSCG_PLL_DRAM_PLL_CLKE_MASK); + + /* Clear bypass */ + clrbits_le32(pll_control_reg, SSCG_PLL_BYPASS1_MASK); + __udelay(100); + clrbits_le32(pll_control_reg, SSCG_PLL_BYPASS2_MASK); + /* Wait lock */ + while (!(readl(pll_control_reg) & SSCG_PLL_LOCK_MASK)) + ; +} + +int frac_pll_init(u32 pll, enum frac_pll_out_val val) +{ + void __iomem *pll_cfg0, __iomem *pll_cfg1; + u32 val_cfg0, val_cfg1; + int ret; + + switch (pll) { + case ANATOP_ARM_PLL: + pll_cfg0 = &ana_pll->arm_pll_cfg0; + pll_cfg1 = &ana_pll->arm_pll_cfg1; + + if (val == FRAC_PLL_OUT_1000M) + val_cfg1 = FRAC_PLL_INT_DIV_CTL_VAL(49); + else + val_cfg1 = FRAC_PLL_INT_DIV_CTL_VAL(79); + val_cfg0 = FRAC_PLL_CLKE_MASK | FRAC_PLL_REFCLK_SEL_OSC_25M | + FRAC_PLL_LOCK_SEL_MASK | FRAC_PLL_NEWDIV_VAL_MASK | + FRAC_PLL_REFCLK_DIV_VAL(4) | + FRAC_PLL_OUTPUT_DIV_VAL(0); + break; + default: + return -EINVAL; + } + + /* bypass the clock */ + setbits_le32(pll_cfg0, FRAC_PLL_BYPASS_MASK); + /* Set the value */ + writel(val_cfg1, pll_cfg1); + writel(val_cfg0 | FRAC_PLL_BYPASS_MASK, pll_cfg0); + val_cfg0 = readl(pll_cfg0); + /* unbypass the clock */ + clrbits_le32(pll_cfg0, FRAC_PLL_BYPASS_MASK); + ret = readl_poll_timeout(pll_cfg0, val_cfg0, + val_cfg0 & FRAC_PLL_LOCK_MASK, 1); + if (ret) + printf("%s timeout\n", __func__); + clrbits_le32(pll_cfg0, FRAC_PLL_NEWDIV_VAL_MASK); + + return 0; +} + +int sscg_pll_init(u32 pll) +{ + void __iomem *pll_cfg0, __iomem *pll_cfg1, __iomem *pll_cfg2; + u32 val_cfg0, val_cfg1, val_cfg2, val; + u32 bypass1_mask = 0x20, bypass2_mask = 0x10; + int ret; + + switch (pll) { + case ANATOP_SYSTEM_PLL1: + pll_cfg0 = &ana_pll->sys_pll1_cfg0; + pll_cfg1 = &ana_pll->sys_pll1_cfg1; + pll_cfg2 = &ana_pll->sys_pll1_cfg2; + /* 800MHz */ + val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | + SSCG_PLL_FEEDBACK_DIV_F2_VAL(3); + val_cfg1 = 0; + val_cfg0 = SSCG_PLL_CLKE_MASK | SSCG_PLL_DIV2_CLKE_MASK | + SSCG_PLL_DIV3_CLKE_MASK | SSCG_PLL_DIV4_CLKE_MASK | + SSCG_PLL_DIV5_CLKE_MASK | SSCG_PLL_DIV6_CLKE_MASK | + SSCG_PLL_DIV8_CLKE_MASK | SSCG_PLL_DIV10_CLKE_MASK | + SSCG_PLL_DIV20_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | + SSCG_PLL_REFCLK_SEL_OSC_25M; + break; + case ANATOP_SYSTEM_PLL2: + pll_cfg0 = &ana_pll->sys_pll2_cfg0; + pll_cfg1 = &ana_pll->sys_pll2_cfg1; + pll_cfg2 = &ana_pll->sys_pll2_cfg2; + /* 1000MHz */ + val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | + SSCG_PLL_FEEDBACK_DIV_F2_VAL(4); + val_cfg1 = 0; + val_cfg0 = SSCG_PLL_CLKE_MASK | SSCG_PLL_DIV2_CLKE_MASK | + SSCG_PLL_DIV3_CLKE_MASK | SSCG_PLL_DIV4_CLKE_MASK | + SSCG_PLL_DIV5_CLKE_MASK | SSCG_PLL_DIV6_CLKE_MASK | + SSCG_PLL_DIV8_CLKE_MASK | SSCG_PLL_DIV10_CLKE_MASK | + SSCG_PLL_DIV20_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | + SSCG_PLL_REFCLK_SEL_OSC_25M; + break; + case ANATOP_SYSTEM_PLL3: + pll_cfg0 = &ana_pll->sys_pll3_cfg0; + pll_cfg1 = &ana_pll->sys_pll3_cfg1; + pll_cfg2 = &ana_pll->sys_pll3_cfg2; + /* 800MHz */ + val_cfg2 = SSCG_PLL_FEEDBACK_DIV_F1_VAL(3) | + SSCG_PLL_FEEDBACK_DIV_F2_VAL(3); + val_cfg1 = 0; + val_cfg0 = SSCG_PLL_PLL3_CLKE_MASK | SSCG_PLL_LOCK_SEL_MASK | + SSCG_PLL_REFCLK_SEL_OSC_25M; + break; + default: + return -EINVAL; + } + + /*bypass*/ + setbits_le32(pll_cfg0, bypass1_mask | bypass2_mask); + /* set value */ + writel(val_cfg2, pll_cfg2); + writel(val_cfg1, pll_cfg1); + /*unbypass1 and wait 70us */ + writel(val_cfg0 | bypass2_mask, pll_cfg1); + + __udelay(70); + + /* unbypass2 and wait lock */ + writel(val_cfg0, pll_cfg1); + ret = readl_poll_timeout(pll_cfg0, val, val & SSCG_PLL_LOCK_MASK, 1); + if (ret) + printf("%s timeout\n", __func__); + + return ret; +} + +int clock_init(void) +{ + u32 grade; + + clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + + /* + * 8MQ only supports two grades: consumer and industrial. + * We set ARM clock to 1Ghz for consumer, 800Mhz for industrial + */ + grade = get_cpu_temp_grade(NULL, NULL); + if (!grade) { + frac_pll_init(ANATOP_ARM_PLL, FRAC_PLL_OUT_1000M); + clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV1)); + } else { + frac_pll_init(ANATOP_ARM_PLL, FRAC_PLL_OUT_1600M); + clock_set_target_val(ARM_A53_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1) | + CLK_ROOT_POST_DIV(CLK_ROOT_POST_DIV2)); + } + /* + * According to ANAMIX SPEC + * sys pll1 fixed at 800MHz + * sys pll2 fixed at 1GHz + * Here we only enable the outputs. + */ + setbits_le32(&ana_pll->sys_pll1_cfg0, SSCG_PLL_CLKE_MASK | + SSCG_PLL_DIV2_CLKE_MASK | SSCG_PLL_DIV3_CLKE_MASK | + SSCG_PLL_DIV4_CLKE_MASK | SSCG_PLL_DIV5_CLKE_MASK | + SSCG_PLL_DIV6_CLKE_MASK | SSCG_PLL_DIV8_CLKE_MASK | + SSCG_PLL_DIV10_CLKE_MASK | SSCG_PLL_DIV20_CLKE_MASK); + + setbits_le32(&ana_pll->sys_pll2_cfg0, SSCG_PLL_CLKE_MASK | + SSCG_PLL_DIV2_CLKE_MASK | SSCG_PLL_DIV3_CLKE_MASK | + SSCG_PLL_DIV4_CLKE_MASK | SSCG_PLL_DIV5_CLKE_MASK | + SSCG_PLL_DIV6_CLKE_MASK | SSCG_PLL_DIV8_CLKE_MASK | + SSCG_PLL_DIV10_CLKE_MASK | SSCG_PLL_DIV20_CLKE_MASK); + + clock_set_target_val(NAND_USDHC_BUS_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + + init_wdog_clk(); + clock_enable(CCGR_TSENSOR, 1); + + return 0; +} +#endif + +/* + * Dump some clockes. + */ +#ifndef CONFIG_SPL_BUILD +int do_imx8m_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + u32 freq; + + freq = decode_frac_pll(ARM_PLL_CLK); + printf("ARM_PLL %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_800M_CLK); + printf("SYS_PLL1_800 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_400M_CLK); + printf("SYS_PLL1_400 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_266M_CLK); + printf("SYS_PLL1_266 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_200M_CLK); + printf("SYS_PLL1_200 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_160M_CLK); + printf("SYS_PLL1_160 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_133M_CLK); + printf("SYS_PLL1_133 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_100M_CLK); + printf("SYS_PLL1_100 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_80M_CLK); + printf("SYS_PLL1_80 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL1_40M_CLK); + printf("SYS_PLL1_40 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_1000M_CLK); + printf("SYS_PLL2_1000 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_500M_CLK); + printf("SYS_PLL2_500 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_333M_CLK); + printf("SYS_PLL2_333 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_250M_CLK); + printf("SYS_PLL2_250 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_200M_CLK); + printf("SYS_PLL2_200 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_166M_CLK); + printf("SYS_PLL2_166 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_125M_CLK); + printf("SYS_PLL2_125 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_100M_CLK); + printf("SYS_PLL2_100 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL2_50M_CLK); + printf("SYS_PLL2_50 %8d MHz\n", freq / 1000000); + freq = decode_sscg_pll(SYSTEM_PLL3_CLK); + printf("SYS_PLL3 %8d MHz\n", freq / 1000000); + freq = mxc_get_clock(MXC_UART_CLK); + printf("UART1 %8d MHz\n", freq / 1000000); + freq = mxc_get_clock(MXC_ESDHC_CLK); + printf("USDHC1 %8d MHz\n", freq / 1000000); + freq = mxc_get_clock(MXC_QSPI_CLK); + printf("QSPI %8d MHz\n", freq / 1000000); + return 0; +} + +U_BOOT_CMD( + clocks, CONFIG_SYS_MAXARGS, 1, do_imx8m_showclocks, + "display clocks", + "" +); +#endif diff --git a/board/freescale/imx8mq_arm2/spl.c b/board/freescale/imx8mq_arm2/spl.c index 6b095ae7e9..fbc4b30e0d 100644 --- a/board/freescale/imx8mq_arm2/spl.c +++ b/board/freescale/imx8mq_arm2/spl.c @@ -121,7 +121,7 @@ int board_mmc_init(bd_t *bis) switch (i) { case 0: init_clk_usdhc(0); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(USDHC1_CLK_ROOT); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); imx_iomux_v3_setup_multiple_pads( usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); gpio_request(USDHC1_PWR_GPIO, "usdhc1_reset"); @@ -131,7 +131,7 @@ int board_mmc_init(bd_t *bis) break; case 1: init_clk_usdhc(1); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(USDHC2_CLK_ROOT); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); imx_iomux_v3_setup_multiple_pads( usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); gpio_request(USDHC2_PWR_GPIO, "usdhc2_reset"); diff --git a/board/freescale/imx8mq_evk/spl.c b/board/freescale/imx8mq_evk/spl.c index e6cbc34b0d..fd70a41cac 100644 --- a/board/freescale/imx8mq_evk/spl.c +++ b/board/freescale/imx8mq_evk/spl.c @@ -119,7 +119,7 @@ int board_mmc_init(bd_t *bis) switch (i) { case 0: init_clk_usdhc(0); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(USDHC1_CLK_ROOT); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); gpio_request(USDHC1_PWR_GPIO, "usdhc1_reset"); @@ -129,7 +129,7 @@ int board_mmc_init(bd_t *bis) break; case 1: init_clk_usdhc(1); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(USDHC2_CLK_ROOT); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); gpio_request(USDHC2_PWR_GPIO, "usdhc2_reset");