board/ti/ks2_evm/board_k2l.c

   1 /*
   2  * K2L EVM : Board initialization
   3  *
   4  * (C) Copyright 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/ddr3.h>
  12 #include <asm/arch/hardware.h>
  13 #include <asm/ti-common/keystone_net.h>
  14
  15 unsigned int get_external_clk(u32 clk)
  16 {
  17         unsigned int clk_freq;
  18
  19         switch (clk) {
  20         case sys_clk:
  21                 clk_freq = 122880000;
  22                 break;
  23         case alt_core_clk:
  24                 clk_freq = 100000000;
  25                 break;
  26         case pa_clk:
  27                 clk_freq = 122880000;
  28                 break;
  29         case tetris_clk:
  30                 clk_freq = 122880000;
  31                 break;
  32         case ddr3a_clk:
  33                 clk_freq = 100000000;
  34                 break;
  35         default:
  36                 clk_freq = 0;
  37                 break;
  38         }
  39
  40         return clk_freq;
  41 }
  42
  43 static struct pll_init_data core_pll_config[NUM_SPDS] = {
  44         [SPD800]        = CORE_PLL_799,
  45         [SPD1000]       = CORE_PLL_1000,
  46         [SPD1200]       = CORE_PLL_1198,
  47 };
  48
  49 s16 divn_val[16] = {
  50         0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
  51 };
  52
  53 static struct pll_init_data tetris_pll_config[] = {
  54         [SPD800]        = TETRIS_PLL_799,
  55         [SPD1000]       = TETRIS_PLL_1000,
  56         [SPD1200]       = TETRIS_PLL_1198,
  57         [SPD1350]       = TETRIS_PLL_1352,
  58         [SPD1400]       = TETRIS_PLL_1401,
  59 };
  60
  61 static struct pll_init_data pa_pll_config =
  62         PASS_PLL_983;
  63
  64 struct pll_init_data *get_pll_init_data(int pll)
  65 {
  66         int speed;
  67         struct pll_init_data *data;
  68
  69         switch (pll) {
  70         case MAIN_PLL:
  71                 speed = get_max_dev_speed(speeds);
  72                 data = &core_pll_config[speed];
  73                 break;
  74         case TETRIS_PLL:
  75                 speed = get_max_arm_speed(speeds);
  76                 data = &tetris_pll_config[speed];
  77                 break;
  78         case PASS_PLL:
  79                 data = &pa_pll_config;
  80                 break;
  81         default:
  82                 data = NULL;
  83         }
  84
  85         return data;
  86 }
  87
  88 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
  89 struct eth_priv_t eth_priv_cfg[] = {
  90         {
  91                 .int_name        = "K2L_EMAC",
  92                 .rx_flow         = 0,
  93                 .phy_addr        = 0,
  94                 .slave_port      = 1,
  95                 .sgmii_link_type = SGMII_LINK_MAC_PHY,
  96                 .phy_if          = PHY_INTERFACE_MODE_SGMII,
  97         },
  98         {
  99                 .int_name        = "K2L_EMAC1",
 100                 .rx_flow         = 8,
 101                 .phy_addr        = 1,
 102                 .slave_port      = 2,
 103                 .sgmii_link_type = SGMII_LINK_MAC_PHY,
 104                 .phy_if          = PHY_INTERFACE_MODE_SGMII,
 105         },
 106         {
 107                 .int_name        = "K2L_EMAC2",
 108                 .rx_flow         = 16,
 109                 .phy_addr        = 2,
 110                 .slave_port      = 3,
 111                 .sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
 112                 .phy_if          = PHY_INTERFACE_MODE_SGMII,
 113         },
 114         {
 115                 .int_name        = "K2L_EMAC3",
 116                 .rx_flow         = 32,
 117                 .phy_addr        = 3,
 118                 .slave_port      = 4,
 119                 .sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
 120                 .phy_if          = PHY_INTERFACE_MODE_SGMII,
 121         },
 122 };
 123
 124 int get_num_eth_ports(void)
 125 {
 126         return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
 127 }
 128 #endif
 129
 130 #ifdef CONFIG_BOARD_EARLY_INIT_F
 131 int board_early_init_f(void)
 132 {
 133         init_plls();
 134
 135         return 0;
 136 }
 137 #endif
 138
 139 #if defined(CONFIG_MULTI_DTB_FIT)
 140 int board_fit_config_name_match(const char *name)
 141 {
 142         if (!strcmp(name, "keystone-k2l-evm"))
 143                 return 0;
 144
 145         return -1;
 146 }
 147 #endif
 148
 149 #ifdef CONFIG_SPL_BUILD
 150 void spl_init_keystone_plls(void)
 151 {
 152         init_plls();
 153 }
 154 #endif