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 <image.h>
  10 #include <init.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_BOARD_EARLY_INIT_F
  89 int board_early_init_f(void)
  90 {
  91         init_plls();
  92
  93         return 0;
  94 }
  95 #endif
  96
  97 #if defined(CONFIG_MULTI_DTB_FIT)
  98 int board_fit_config_name_match(const char *name)
  99 {
 100         if (!strcmp(name, "keystone-k2l-evm"))
 101                 return 0;
 102
 103         return -1;
 104 }
 105 #endif
 106
 107 #ifdef CONFIG_SPL_BUILD
 108 void spl_init_keystone_plls(void)
 109 {
 110         init_plls();
 111 }
 112 #endif