/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2017 NXP * * Peng Fan */ #include #ifdef CONFIG_IMX8MQ #include #elif defined(CONFIG_IMX8MM) || defined(CONFIG_IMX8MN) || \ defined(CONFIG_IMX8MP) #include #else #error "Error no clock.h" #endif #define MHZ(X) ((X) * 1000000UL) /* 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 { CORE_CLOCK_SLICE, BUS_CLOCK_SLICE, IP_CLOCK_SLICE, AHB_CLOCK_SLICE, IPG_CLOCK_SLICE, CORE_SEL_CLOCK_SLICE, DRAM_SEL_CLOCK_SLICE, }; enum root_pre_div { CLK_ROOT_PRE_DIV1 = 0, CLK_ROOT_PRE_DIV2, CLK_ROOT_PRE_DIV3, CLK_ROOT_PRE_DIV4, CLK_ROOT_PRE_DIV5, CLK_ROOT_PRE_DIV6, CLK_ROOT_PRE_DIV7, CLK_ROOT_PRE_DIV8, }; enum root_post_div { CLK_ROOT_POST_DIV1 = 0, CLK_ROOT_POST_DIV2, CLK_ROOT_POST_DIV3, CLK_ROOT_POST_DIV4, CLK_ROOT_POST_DIV5, CLK_ROOT_POST_DIV6, CLK_ROOT_POST_DIV7, CLK_ROOT_POST_DIV8, CLK_ROOT_POST_DIV9, CLK_ROOT_POST_DIV10, CLK_ROOT_POST_DIV11, CLK_ROOT_POST_DIV12, CLK_ROOT_POST_DIV13, CLK_ROOT_POST_DIV14, CLK_ROOT_POST_DIV15, CLK_ROOT_POST_DIV16, CLK_ROOT_POST_DIV17, CLK_ROOT_POST_DIV18, CLK_ROOT_POST_DIV19, CLK_ROOT_POST_DIV20, CLK_ROOT_POST_DIV21, CLK_ROOT_POST_DIV22, CLK_ROOT_POST_DIV23, CLK_ROOT_POST_DIV24, CLK_ROOT_POST_DIV25, CLK_ROOT_POST_DIV26, CLK_ROOT_POST_DIV27, CLK_ROOT_POST_DIV28, CLK_ROOT_POST_DIV29, CLK_ROOT_POST_DIV30, CLK_ROOT_POST_DIV31, CLK_ROOT_POST_DIV32, CLK_ROOT_POST_DIV33, CLK_ROOT_POST_DIV34, CLK_ROOT_POST_DIV35, CLK_ROOT_POST_DIV36, CLK_ROOT_POST_DIV37, CLK_ROOT_POST_DIV38, CLK_ROOT_POST_DIV39, CLK_ROOT_POST_DIV40, CLK_ROOT_POST_DIV41, CLK_ROOT_POST_DIV42, CLK_ROOT_POST_DIV43, CLK_ROOT_POST_DIV44, CLK_ROOT_POST_DIV45, CLK_ROOT_POST_DIV46, CLK_ROOT_POST_DIV47, CLK_ROOT_POST_DIV48, CLK_ROOT_POST_DIV49, CLK_ROOT_POST_DIV50, CLK_ROOT_POST_DIV51, CLK_ROOT_POST_DIV52, CLK_ROOT_POST_DIV53, CLK_ROOT_POST_DIV54, CLK_ROOT_POST_DIV55, CLK_ROOT_POST_DIV56, CLK_ROOT_POST_DIV57, CLK_ROOT_POST_DIV58, CLK_ROOT_POST_DIV59, CLK_ROOT_POST_DIV60, CLK_ROOT_POST_DIV61, CLK_ROOT_POST_DIV62, CLK_ROOT_POST_DIV63, CLK_ROOT_POST_DIV64, }; struct clk_root_map { enum clk_root_index entry; enum clk_slice_type slice_type; u32 slice_index; u8 src_mux[8]; }; struct ccm_ccgr { u32 ccgr; u32 ccgr_set; u32 ccgr_clr; u32 ccgr_tog; }; struct ccm_root { u32 target_root; u32 target_root_set; u32 target_root_clr; u32 target_root_tog; u32 misc; u32 misc_set; u32 misc_clr; u32 misc_tog; u32 nm_post; u32 nm_post_root_set; u32 nm_post_root_clr; u32 nm_post_root_tog; u32 nm_pre; u32 nm_pre_root_set; u32 nm_pre_root_clr; u32 nm_pre_root_tog; u32 db_post; u32 db_post_root_set; u32 db_post_root_clr; u32 db_post_root_tog; u32 db_pre; u32 db_pre_root_set; u32 db_pre_root_clr; u32 db_pre_root_tog; u32 reserved[4]; u32 access_ctrl; u32 access_ctrl_root_set; u32 access_ctrl_root_clr; u32 access_ctrl_root_tog; }; struct ccm_reg { u32 reserved_0[4096]; struct ccm_ccgr ccgr_array[192]; u32 reserved_1[3328]; struct ccm_root core_root[5]; u32 reserved_2[352]; struct ccm_root bus_root[12]; u32 reserved_3[128]; struct ccm_root ahb_ipg_root[4]; u32 reserved_4[384]; struct ccm_root dram_sel; struct ccm_root core_sel; u32 reserved_5[448]; 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 #define CLK_ROOT_ON BIT(28) #define CLK_ROOT_OFF (0 << 28) #define CLK_ROOT_ENABLE_MASK BIT(28) #define CLK_ROOT_ENABLE_SHIFT 28 #define CLK_ROOT_SOURCE_SEL(n) (((n) & 0x7) << 24) /* For SEL, only use 1 bit */ #define CLK_ROOT_SRC_MUX_MASK 0x07000000 #define CLK_ROOT_SRC_MUX_SHIFT 24 #define CLK_ROOT_SRC_0 0x00000000 #define CLK_ROOT_SRC_1 0x01000000 #define CLK_ROOT_SRC_2 0x02000000 #define CLK_ROOT_SRC_3 0x03000000 #define CLK_ROOT_SRC_4 0x04000000 #define CLK_ROOT_SRC_5 0x05000000 #define CLK_ROOT_SRC_6 0x06000000 #define CLK_ROOT_SRC_7 0x07000000 #define CLK_ROOT_PRE_DIV_MASK (0x00070000) #define CLK_ROOT_PRE_DIV_SHIFT 16 #define CLK_ROOT_PRE_DIV(n) (((n) << 16) & 0x00070000) #define CLK_ROOT_AUDO_SLOW_EN 0x1000 #define CLK_ROOT_AUDO_DIV_MASK 0x700 #define CLK_ROOT_AUDO_DIV_SHIFT 0x8 #define CLK_ROOT_AUDO_DIV(n) (((n) << 8) & 0x700) /* For CORE: mask is 0x7; For IPG: mask is 0x3 */ #define CLK_ROOT_POST_DIV_MASK 0x3f #define CLK_ROOT_CORE_POST_DIV_MASK 0x7 #define CLK_ROOT_IPG_POST_DIV_MASK 0x3 #define CLK_ROOT_POST_DIV_SHIFT 0 #define CLK_ROOT_POST_DIV(n) ((n) & 0x3f) #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 #define ENET_AXI_CLK_ROOT_FROM_PLL_SYS_PFD4_CLK 0x07000000 #define ENET_AXI_CLK_ROOT_FROM_SYS1_PLL_266M 0x01000000 #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 void dram_pll_init(ulong pll_val); void dram_enable_bypass(ulong clk_val); void dram_disable_bypass(void); u32 imx_get_fecclk(void); u32 imx_get_uartclk(void); int clock_init(void); void init_clk_usdhc(u32 index); 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 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, enum root_post_div post_div, enum clk_root_src clock_src); int clock_set_target_val(enum clk_root_index clock_id, u32 val); int clock_get_target_val(enum clk_root_index clock_id, u32 *val); int clock_get_prediv(enum clk_root_index clock_id, enum root_pre_div *pre_div); int clock_get_postdiv(enum clk_root_index clock_id, enum root_post_div *post_div); int clock_get_src(enum clk_root_index clock_id, enum clk_root_src *p_clock_src); void mxs_set_lcdclk(u32 base_addr, u32 freq); int set_clk_qspi(void); 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);