1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * K2HK EVM : Board initialization 4 * 5 * (C) Copyright 2012-2014 6 * Texas Instruments Incorporated, <www.ti.com> 7 */ 8 9 #include <common.h> 10 #include <asm/arch/clock.h> 11 #include <asm/arch/hardware.h> 12 #include <asm/ti-common/keystone_net.h> 13 14 unsigned int external_clk[ext_clk_count] = { 15 [sys_clk] = 122880000, 16 [alt_core_clk] = 125000000, 17 [pa_clk] = 122880000, 18 [tetris_clk] = 125000000, 19 [ddr3a_clk] = 100000000, 20 [ddr3b_clk] = 100000000, 21 }; 22 23 unsigned int get_external_clk(u32 clk) 24 { 25 unsigned int clk_freq; 26 27 switch (clk) { 28 case sys_clk: 29 clk_freq = 122880000; 30 break; 31 case alt_core_clk: 32 clk_freq = 125000000; 33 break; 34 case pa_clk: 35 clk_freq = 122880000; 36 break; 37 case tetris_clk: 38 clk_freq = 125000000; 39 break; 40 case ddr3a_clk: 41 clk_freq = 100000000; 42 break; 43 case ddr3b_clk: 44 clk_freq = 100000000; 45 break; 46 default: 47 clk_freq = 0; 48 break; 49 } 50 51 return clk_freq; 52 } 53 54 static struct pll_init_data core_pll_config[NUM_SPDS] = { 55 [SPD800] = CORE_PLL_799, 56 [SPD1000] = CORE_PLL_999, 57 [SPD1200] = CORE_PLL_1200, 58 }; 59 60 s16 divn_val[16] = { 61 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 62 }; 63 64 static struct pll_init_data tetris_pll_config[] = { 65 [SPD800] = TETRIS_PLL_800, 66 [SPD1000] = TETRIS_PLL_1000, 67 [SPD1200] = TETRIS_PLL_1200, 68 [SPD1350] = TETRIS_PLL_1350, 69 [SPD1400] = TETRIS_PLL_1400, 70 }; 71 72 static struct pll_init_data pa_pll_config = 73 PASS_PLL_983; 74 75 struct pll_init_data *get_pll_init_data(int pll) 76 { 77 int speed; 78 struct pll_init_data *data; 79 80 switch (pll) { 81 case MAIN_PLL: 82 speed = get_max_dev_speed(speeds); 83 data = &core_pll_config[speed]; 84 break; 85 case TETRIS_PLL: 86 speed = get_max_arm_speed(speeds); 87 data = &tetris_pll_config[speed]; 88 break; 89 case PASS_PLL: 90 data = &pa_pll_config; 91 break; 92 default: 93 data = NULL; 94 } 95 96 return data; 97 } 98 99 #ifdef CONFIG_BOARD_EARLY_INIT_F 100 int board_early_init_f(void) 101 { 102 init_plls(); 103 104 return 0; 105 } 106 #endif 107 108 #if defined(CONFIG_MULTI_DTB_FIT) 109 int board_fit_config_name_match(const char *name) 110 { 111 if (!strcmp(name, "keystone-k2hk-evm")) 112 return 0; 113 114 return -1; 115 } 116 #endif 117 118 #ifdef CONFIG_SPL_BUILD 119 void spl_init_keystone_plls(void) 120 { 121 init_plls(); 122 } 123 #endif 124