board/ti/ks2_evm/board_k2l.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * K2L EVM : Board initialization
   4  *
   5  * (C) Copyright 2014
   6  *     Texas Instruments Incorporated, <www.ti.com>
   7  */
   8
   9 #include <common.h>
  10 #include <image.h>
  11 #include <init.h>
  12 #include <asm/arch/ddr3.h>
  13 #include <asm/arch/hardware.h>
  14 #include <asm/ti-common/keystone_net.h>
  15
  16 unsigned int get_external_clk(u32 clk)
  17 {
  18         unsigned int clk_freq;
  19
  20         switch (clk) {
  21         case sys_clk:
  22                 clk_freq = 122880000;
  23                 break;
  24         case alt_core_clk:
  25                 clk_freq = 100000000;
  26                 break;
  27         case pa_clk:
  28                 clk_freq = 122880000;
  29                 break;
  30         case tetris_clk:
  31                 clk_freq = 122880000;
  32                 break;
  33         case ddr3a_clk:
  34                 clk_freq = 100000000;
  35                 break;
  36         default:
  37                 clk_freq = 0;
  38                 break;
  39         }
  40
  41         return clk_freq;
  42 }
  43
  44 static struct pll_init_data core_pll_config[NUM_SPDS] = {
  45         [SPD800]        = CORE_PLL_799,
  46         [SPD1000]       = CORE_PLL_1000,
  47         [SPD1200]       = CORE_PLL_1198,
  48 };
  49
  50 s16 divn_val[16] = {
  51         0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
  52 };
  53
  54 static struct pll_init_data tetris_pll_config[] = {
  55         [SPD800]        = TETRIS_PLL_799,
  56         [SPD1000]       = TETRIS_PLL_1000,
  57         [SPD1200]       = TETRIS_PLL_1198,
  58         [SPD1350]       = TETRIS_PLL_1352,
  59         [SPD1400]       = TETRIS_PLL_1401,
  60 };
  61
  62 static struct pll_init_data pa_pll_config =
  63         PASS_PLL_983;
  64
  65 struct pll_init_data *get_pll_init_data(int pll)
  66 {
  67         int speed;
  68         struct pll_init_data *data;
  69
  70         switch (pll) {
  71         case MAIN_PLL:
  72                 speed = get_max_dev_speed(speeds);
  73                 data = &core_pll_config[speed];
  74                 break;
  75         case TETRIS_PLL:
  76                 speed = get_max_arm_speed(speeds);
  77                 data = &tetris_pll_config[speed];
  78                 break;
  79         case PASS_PLL:
  80                 data = &pa_pll_config;
  81                 break;
  82         default:
  83                 data = NULL;
  84         }
  85
  86         return data;
  87 }
  88
  89 #ifdef CONFIG_BOARD_EARLY_INIT_F
  90 int board_early_init_f(void)
  91 {
  92         init_plls();
  93
  94         return 0;
  95 }
  96 #endif
  97
  98 #if defined(CONFIG_MULTI_DTB_FIT)
  99 int board_fit_config_name_match(const char *name)
 100 {
 101         if (!strcmp(name, "keystone-k2l-evm"))
 102                 return 0;
 103
 104         return -1;
 105 }
 106 #endif
 107
 108 #ifdef CONFIG_SPL_BUILD
 109 void spl_init_keystone_plls(void)
 110 {
 111         init_plls();
 112 }
 113 #endif