1 /* 2 * K2HK EVM : Board initialization 3 * 4 * (C) Copyright 2012-2014 5 * Texas Instruments Incorporated, <www.ti.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <asm/arch/clock.h> 12 #include <asm/arch/hardware.h> 13 #include <asm/ti-common/keystone_net.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 unsigned int external_clk[ext_clk_count] = { 18 [sys_clk] = 122880000, 19 [alt_core_clk] = 125000000, 20 [pa_clk] = 122880000, 21 [tetris_clk] = 125000000, 22 [ddr3a_clk] = 100000000, 23 [ddr3b_clk] = 100000000, 24 }; 25 26 unsigned int get_external_clk(u32 clk) 27 { 28 unsigned int clk_freq; 29 30 switch (clk) { 31 case sys_clk: 32 clk_freq = 122880000; 33 break; 34 case alt_core_clk: 35 clk_freq = 125000000; 36 break; 37 case pa_clk: 38 clk_freq = 122880000; 39 break; 40 case tetris_clk: 41 clk_freq = 125000000; 42 break; 43 case ddr3a_clk: 44 clk_freq = 100000000; 45 break; 46 case ddr3b_clk: 47 clk_freq = 100000000; 48 break; 49 default: 50 clk_freq = 0; 51 break; 52 } 53 54 return clk_freq; 55 } 56 57 static struct pll_init_data core_pll_config[NUM_SPDS] = { 58 [SPD800] = CORE_PLL_799, 59 [SPD1000] = CORE_PLL_999, 60 [SPD1200] = CORE_PLL_1200, 61 }; 62 63 s16 divn_val[16] = { 64 0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 65 }; 66 67 static struct pll_init_data tetris_pll_config[] = { 68 [SPD800] = TETRIS_PLL_800, 69 [SPD1000] = TETRIS_PLL_1000, 70 [SPD1200] = TETRIS_PLL_1200, 71 [SPD1350] = TETRIS_PLL_1350, 72 [SPD1400] = TETRIS_PLL_1400, 73 }; 74 75 static struct pll_init_data pa_pll_config = 76 PASS_PLL_983; 77 78 struct pll_init_data *get_pll_init_data(int pll) 79 { 80 int speed; 81 struct pll_init_data *data; 82 83 switch (pll) { 84 case MAIN_PLL: 85 speed = get_max_dev_speed(speeds); 86 data = &core_pll_config[speed]; 87 break; 88 case TETRIS_PLL: 89 speed = get_max_arm_speed(speeds); 90 data = &tetris_pll_config[speed]; 91 break; 92 case PASS_PLL: 93 data = &pa_pll_config; 94 break; 95 default: 96 data = NULL; 97 } 98 99 return data; 100 } 101 102 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET 103 struct eth_priv_t eth_priv_cfg[] = { 104 { 105 .int_name = "K2HK_EMAC", 106 .rx_flow = 22, 107 .phy_addr = 0, 108 .slave_port = 1, 109 .sgmii_link_type = SGMII_LINK_MAC_PHY, 110 .phy_if = PHY_INTERFACE_MODE_SGMII, 111 }, 112 { 113 .int_name = "K2HK_EMAC1", 114 .rx_flow = 23, 115 .phy_addr = 1, 116 .slave_port = 2, 117 .sgmii_link_type = SGMII_LINK_MAC_PHY, 118 .phy_if = PHY_INTERFACE_MODE_SGMII, 119 }, 120 { 121 .int_name = "K2HK_EMAC2", 122 .rx_flow = 24, 123 .phy_addr = 2, 124 .slave_port = 3, 125 .sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED, 126 .phy_if = PHY_INTERFACE_MODE_SGMII, 127 }, 128 { 129 .int_name = "K2HK_EMAC3", 130 .rx_flow = 25, 131 .phy_addr = 3, 132 .slave_port = 4, 133 .sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED, 134 .phy_if = PHY_INTERFACE_MODE_SGMII, 135 }, 136 }; 137 138 int get_num_eth_ports(void) 139 { 140 return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t); 141 } 142 #endif 143 144 #ifdef CONFIG_BOARD_EARLY_INIT_F 145 int board_early_init_f(void) 146 { 147 init_plls(); 148 149 return 0; 150 } 151 #endif 152 153 #if defined(CONFIG_MULTI_DTB_FIT) 154 int board_fit_config_name_match(const char *name) 155 { 156 if (!strcmp(name, "keystone-k2hk-evm")) 157 return 0; 158 159 return -1; 160 } 161 #endif 162 163 #ifdef CONFIG_SPL_BUILD 164 void spl_init_keystone_plls(void) 165 { 166 init_plls(); 167 } 168 #endif 169