1 /* 2 * (C) Copyright 2016 Heiko Stuebner <heiko@sntech.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #ifndef _ASM_ARCH_CRU_RK3066_H 7 #define _ASM_ARCH_CRU_RK3066_H 8 9 #define OSC_HZ (24 * 1000 * 1000) 10 11 #define APLL_HZ (1416 * 1000000) 12 #define APLL_SAFE_HZ (600 * 1000000) 13 #define GPLL_HZ (594 * 1000000) 14 #define CPLL_HZ (384 * 1000000) 15 16 /* The SRAM is clocked off aclk_cpu, so we want to max it out for boot speed */ 17 #define CPU_ACLK_HZ 297000000 18 #define CPU_HCLK_HZ 148500000 19 #define CPU_PCLK_HZ 74250000 20 #define CPU_H2P_HZ 74250000 21 22 #define PERI_ACLK_HZ 148500000 23 #define PERI_HCLK_HZ 148500000 24 #define PERI_PCLK_HZ 74250000 25 26 /* Private data for the clock driver - used by rockchip_get_cru() */ 27 struct rk3066_clk_priv { 28 struct rk3066_grf *grf; 29 struct rk3066_cru *cru; 30 ulong rate; 31 bool has_bwadj; 32 }; 33 34 struct rk3066_cru { 35 struct rk3066_pll { 36 u32 con0; 37 u32 con1; 38 u32 con2; 39 u32 con3; 40 } pll[4]; 41 u32 cru_mode_con; 42 u32 cru_clksel_con[35]; 43 u32 cru_clkgate_con[10]; 44 u32 reserved1[2]; 45 u32 cru_glb_srst_fst_value; 46 u32 cru_glb_srst_snd_value; 47 u32 reserved2[2]; 48 u32 cru_softrst_con[9]; 49 u32 cru_misc_con; 50 u32 reserved3[2]; 51 u32 cru_glb_cnt_th; 52 }; 53 check_member(rk3066_cru, cru_glb_cnt_th, 0x0140); 54 55 /* CRU_CLKSEL0_CON */ 56 enum { 57 /* a9_core_div: core = core_src / (a9_core_div + 1) */ 58 A9_CORE_DIV_SHIFT = 9, 59 A9_CORE_DIV_MASK = 0x1f << A9_CORE_DIV_SHIFT, 60 CORE_PLL_SHIFT = 8, 61 CORE_PLL_MASK = 1 << CORE_PLL_SHIFT, 62 CORE_PLL_SELECT_APLL = 0, 63 CORE_PLL_SELECT_GPLL, 64 65 /* core peri div: core:core_peri = 2:1, 4:1, 8:1 or 16:1 */ 66 CORE_PERI_DIV_SHIFT = 6, 67 CORE_PERI_DIV_MASK = 3 << CORE_PERI_DIV_SHIFT, 68 69 /* aclk_cpu pll selection */ 70 CPU_ACLK_PLL_SHIFT = 5, 71 CPU_ACLK_PLL_MASK = 1 << CPU_ACLK_PLL_SHIFT, 72 CPU_ACLK_PLL_SELECT_APLL = 0, 73 CPU_ACLK_PLL_SELECT_GPLL, 74 75 /* a9_cpu_div: aclk_cpu = cpu_src / (a9_cpu_div + 1) */ 76 A9_CPU_DIV_SHIFT = 0, 77 A9_CPU_DIV_MASK = 0x1f << A9_CPU_DIV_SHIFT, 78 }; 79 80 /* CRU_CLKSEL1_CON */ 81 enum { 82 /* ahb2apb_pclk_div: hclk_cpu:pclk_cpu = 1:1, 2:1 or 4:1 */ 83 AHB2APB_DIV_SHIFT = 14, 84 AHB2APB_DIV_MASK = 3 << AHB2APB_DIV_SHIFT, 85 86 /* cpu_pclk_div: aclk_cpu:pclk_cpu = 1:1, 2:1, 4:1 or 8:1 */ 87 CPU_PCLK_DIV_SHIFT = 12, 88 CPU_PCLK_DIV_MASK = 3 << CPU_PCLK_DIV_SHIFT, 89 90 /* cpu_hclk_div: aclk_cpu:hclk_cpu = 1:1, 2:1 or 4:1 */ 91 CPU_HCLK_DIV_SHIFT = 8, 92 CPU_HCLK_DIV_MASK = 3 << CPU_HCLK_DIV_SHIFT, 93 94 /* core_aclk_div: cire:aclk_core = 1:1, 2:1, 3:1, 4:1 or 8:1 */ 95 CORE_ACLK_DIV_SHIFT = 3, 96 CORE_ACLK_DIV_MASK = 7 << CORE_ACLK_DIV_SHIFT, 97 }; 98 99 /* CRU_CLKSEL10_CON */ 100 enum { 101 PERI_SEL_PLL_SHIFT = 15, 102 PERI_SEL_PLL_MASK = 1 << PERI_SEL_PLL_SHIFT, 103 PERI_SEL_CPLL = 0, 104 PERI_SEL_GPLL, 105 106 /* peri pclk div: aclk_bus:pclk_bus = 1:1, 2:1, 4:1 or 8:1 */ 107 PERI_PCLK_DIV_SHIFT = 12, 108 PERI_PCLK_DIV_MASK = 3 << PERI_PCLK_DIV_SHIFT, 109 110 /* peripheral bus hclk div:aclk_bus: hclk_bus = 1:1, 2:1 or 4:1 */ 111 PERI_HCLK_DIV_SHIFT = 8, 112 PERI_HCLK_DIV_MASK = 3 << PERI_HCLK_DIV_SHIFT, 113 114 /* peri aclk div: aclk_peri = periph_src / (peri_aclk_div + 1) */ 115 PERI_ACLK_DIV_SHIFT = 0, 116 PERI_ACLK_DIV_MASK = 0x1f << PERI_ACLK_DIV_SHIFT, 117 }; 118 /* CRU_CLKSEL11_CON */ 119 enum { 120 MMC0_DIV_SHIFT = 0, 121 MMC0_DIV_MASK = 0x3f << MMC0_DIV_SHIFT, 122 }; 123 124 /* CRU_CLKSEL12_CON */ 125 enum { 126 UART_PLL_SHIFT = 15, 127 UART_PLL_MASK = 1 << UART_PLL_SHIFT, 128 UART_PLL_SELECT_GENERAL = 0, 129 UART_PLL_SELECT_CODEC, 130 131 EMMC_DIV_SHIFT = 8, 132 EMMC_DIV_MASK = 0x3f << EMMC_DIV_SHIFT, 133 134 SDIO_DIV_SHIFT = 0, 135 SDIO_DIV_MASK = 0x3f << SDIO_DIV_SHIFT, 136 }; 137 138 /* CRU_CLKSEL25_CON */ 139 enum { 140 SPI1_DIV_SHIFT = 8, 141 SPI1_DIV_MASK = 0x7f << SPI1_DIV_SHIFT, 142 143 SPI0_DIV_SHIFT = 0, 144 SPI0_DIV_MASK = 0x7f << SPI0_DIV_SHIFT, 145 }; 146 147 /* CRU_MODE_CON */ 148 enum { 149 GPLL_MODE_SHIFT = 12, 150 GPLL_MODE_MASK = 3 << GPLL_MODE_SHIFT, 151 GPLL_MODE_SLOW = 0, 152 GPLL_MODE_NORMAL, 153 GPLL_MODE_DEEP, 154 155 CPLL_MODE_SHIFT = 8, 156 CPLL_MODE_MASK = 3 << CPLL_MODE_SHIFT, 157 CPLL_MODE_SLOW = 0, 158 CPLL_MODE_NORMAL, 159 CPLL_MODE_DEEP, 160 161 DPLL_MODE_SHIFT = 4, 162 DPLL_MODE_MASK = 3 << DPLL_MODE_SHIFT, 163 DPLL_MODE_SLOW = 0, 164 DPLL_MODE_NORMAL, 165 DPLL_MODE_DEEP, 166 167 APLL_MODE_SHIFT = 0, 168 APLL_MODE_MASK = 3 << APLL_MODE_SHIFT, 169 APLL_MODE_SLOW = 0, 170 APLL_MODE_NORMAL, 171 APLL_MODE_DEEP, 172 }; 173 174 /* CRU_APLL_CON0 */ 175 enum { 176 CLKR_SHIFT = 8, 177 CLKR_MASK = 0x3f << CLKR_SHIFT, 178 179 CLKOD_SHIFT = 0, 180 CLKOD_MASK = 0x3f << CLKOD_SHIFT, 181 }; 182 183 /* CRU_APLL_CON1 */ 184 enum { 185 CLKF_SHIFT = 0, 186 CLKF_MASK = 0x1fff << CLKF_SHIFT, 187 }; 188 189 #endif 190