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 <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 = 122880000;
  21                 break;
  22         case alt_core_clk:
  23                 clk_freq = 100000000;
  24                 break;
  25         case pa_clk:
  26                 clk_freq = 122880000;
  27                 break;
  28         case tetris_clk:
  29                 clk_freq = 122880000;
  30                 break;
  31         case ddr3a_clk:
  32                 clk_freq = 100000000;
  33                 break;
  34         default:
  35                 clk_freq = 0;
  36                 break;
  37         }
  38
  39         return clk_freq;
  40 }
  41
  42 static struct pll_init_data core_pll_config[NUM_SPDS] = {
  43         [SPD800]        = CORE_PLL_799,
  44         [SPD1000]       = CORE_PLL_1000,
  45         [SPD1200]       = CORE_PLL_1198,
  46 };
  47
  48 s16 divn_val[16] = {
  49         0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
  50 };
  51
  52 static struct pll_init_data tetris_pll_config[] = {
  53         [SPD800]        = TETRIS_PLL_799,
  54         [SPD1000]       = TETRIS_PLL_1000,
  55         [SPD1200]       = TETRIS_PLL_1198,
  56         [SPD1350]       = TETRIS_PLL_1352,
  57         [SPD1400]       = TETRIS_PLL_1401,
  58 };
  59
  60 static struct pll_init_data pa_pll_config =
  61         PASS_PLL_983;
  62
  63 struct pll_init_data *get_pll_init_data(int pll)
  64 {
  65         int speed;
  66         struct pll_init_data *data;
  67
  68         switch (pll) {
  69         case MAIN_PLL:
  70                 speed = get_max_dev_speed(speeds);
  71                 data = &core_pll_config[speed];
  72                 break;
  73         case TETRIS_PLL:
  74                 speed = get_max_arm_speed(speeds);
  75                 data = &tetris_pll_config[speed];
  76                 break;
  77         case PASS_PLL:
  78                 data = &pa_pll_config;
  79                 break;
  80         default:
  81                 data = NULL;
  82         }
  83
  84         return data;
  85 }
  86
  87 #ifdef CONFIG_BOARD_EARLY_INIT_F
  88 int board_early_init_f(void)
  89 {
  90         init_plls();
  91
  92         return 0;
  93 }
  94 #endif
  95
  96 #if defined(CONFIG_MULTI_DTB_FIT)
  97 int board_fit_config_name_match(const char *name)
  98 {
  99         if (!strcmp(name, "keystone-k2l-evm"))
 100                 return 0;
 101
 102         return -1;
 103 }
 104 #endif
 105
 106 #ifdef CONFIG_SPL_BUILD
 107 void spl_init_keystone_plls(void)
 108 {
 109         init_plls();
 110 }
 111 #endif