board/ti/ks2_evm/board_k2g.c

   1 /*
   2  * K2G EVM : Board initialization
   3  *
   4  * (C) Copyright 2015
   5  *     Texas Instruments Incorporated, <www.ti.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9 #include <common.h>
  10 #include <asm/arch/clock.h>
  11 #include "mux-k2g.h"
  12
  13 #define SYS_CLK         24000000
  14
  15 unsigned int external_clk[ext_clk_count] = {
  16         [sys_clk]       =       SYS_CLK,
  17         [pa_clk]        =       SYS_CLK,
  18         [tetris_clk]    =       SYS_CLK,
  19         [ddr3a_clk]     =       SYS_CLK,
  20         [uart_clk]      =       SYS_CLK,
  21 };
  22
  23 static struct pll_init_data main_pll_config = {MAIN_PLL, 100, 1, 4};
  24 static struct pll_init_data tetris_pll_config = {TETRIS_PLL, 100, 1, 4};
  25 static struct pll_init_data uart_pll_config = {UART_PLL, 64, 1, 4};
  26 static struct pll_init_data nss_pll_config = {NSS_PLL, 250, 3, 2};
  27 static struct pll_init_data ddr3_pll_config = {DDR3A_PLL, 250, 3, 10};
  28
  29 struct pll_init_data *get_pll_init_data(int pll)
  30 {
  31         struct pll_init_data *data = NULL;
  32
  33         switch (pll) {
  34         case MAIN_PLL:
  35                 data = &main_pll_config;
  36                 break;
  37         case TETRIS_PLL:
  38                 data = &tetris_pll_config;
  39                 break;
  40         case NSS_PLL:
  41                 data = &nss_pll_config;
  42                 break;
  43         case UART_PLL:
  44                 data = &uart_pll_config;
  45                 break;
  46         case DDR3_PLL:
  47                 data = &ddr3_pll_config;
  48                 break;
  49         default:
  50                 data = NULL;
  51         }
  52
  53         return data;
  54 }
  55
  56 s16 divn_val[16] = {
  57         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
  58 };
  59
  60 #ifdef CONFIG_BOARD_EARLY_INIT_F
  61 int board_early_init_f(void)
  62 {
  63         init_plls();
  64
  65         k2g_mux_config();
  66
  67         return 0;
  68 }
  69 #endif
  70
  71 #ifdef CONFIG_SPL_BUILD
  72 void spl_init_keystone_plls(void)
  73 {
  74         init_plls();
  75 }
  76 #endif