1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * K2E EVM : Board initialization 4 * 5 * (C) Copyright 2014 6 * Texas Instruments Incorporated, <www.ti.com> 7 */ 8 9 #include <common.h> 10 #include <asm/arch/ddr3.h> 11 #include <asm/arch/hardware.h> 12 #include <asm/ti-common/keystone_net.h> 13 14 unsigned int get_external_clk(u32 clk) 15 { 16 unsigned int clk_freq; 17 18 switch (clk) { 19 case sys_clk: 20 clk_freq = 100000000; 21 break; 22 case alt_core_clk: 23 clk_freq = 100000000; 24 break; 25 case pa_clk: 26 clk_freq = 100000000; 27 break; 28 case ddr3a_clk: 29 clk_freq = 100000000; 30 break; 31 default: 32 clk_freq = 0; 33 break; 34 } 35 36 return clk_freq; 37 } 38 39 static struct pll_init_data core_pll_config[NUM_SPDS] = { 40 [SPD800] = CORE_PLL_800, 41 [SPD850] = CORE_PLL_850, 42 [SPD1000] = CORE_PLL_1000, 43 [SPD1250] = CORE_PLL_1250, 44 [SPD1350] = CORE_PLL_1350, 45 [SPD1400] = CORE_PLL_1400, 46 [SPD1500] = CORE_PLL_1500, 47 }; 48 49 /* DEV and ARM speed definitions as specified in DEVSPEED register */ 50 int speeds[DEVSPEED_NUMSPDS] = { 51 SPD850, 52 SPD1000, 53 SPD1250, 54 SPD1350, 55 SPD1400, 56 SPD1500, 57 SPD1400, 58 SPD1350, 59 SPD1250, 60 SPD1000, 61 SPD850, 62 SPD800, 63 }; 64 65 s16 divn_val[16] = { 66 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 67 }; 68 69 static struct pll_init_data pa_pll_config = 70 PASS_PLL_1000; 71 72 struct pll_init_data *get_pll_init_data(int pll) 73 { 74 int speed; 75 struct pll_init_data *data; 76 77 switch (pll) { 78 case MAIN_PLL: 79 speed = get_max_dev_speed(speeds); 80 data = &core_pll_config[speed]; 81 break; 82 case PASS_PLL: 83 data = &pa_pll_config; 84 break; 85 default: 86 data = NULL; 87 } 88 89 return data; 90 } 91 92 #if defined(CONFIG_MULTI_DTB_FIT) 93 int board_fit_config_name_match(const char *name) 94 { 95 if (!strcmp(name, "keystone-k2e-evm")) 96 return 0; 97 98 return -1; 99 } 100 #endif 101 102 #if defined(CONFIG_BOARD_EARLY_INIT_F) 103 int board_early_init_f(void) 104 { 105 init_plls(); 106 107 return 0; 108 } 109 #endif 110 111 #ifdef CONFIG_SPL_BUILD 112 void spl_init_keystone_plls(void) 113 { 114 init_plls(); 115 } 116 #endif 117