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/ti-aemif.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 unsigned int external_clk[ext_clk_count] = {
  18         [sys_clk]       = 122880000,
  19         [alt_core_clk]  = 100000000,
  20         [pa_clk]        = 122880000,
  21         [tetris_clk]    = 122880000,
  22         [ddr3_clk]      = 100000000,
  23         [pcie_clk]      = 100000000,
  24         [sgmii_clk]     = 156250000,
  25         [usb_clk]       = 100000000,
  26 };
  27
  28 static struct pll_init_data core_pll_config[] = {
  29         CORE_PLL_799,
  30         CORE_PLL_1000,
  31         CORE_PLL_1198,
  32 };
  33
  34 static struct pll_init_data tetris_pll_config[] = {
  35         TETRIS_PLL_799,
  36         TETRIS_PLL_1000,
  37         TETRIS_PLL_1198,
  38         TETRIS_PLL_1352,
  39         TETRIS_PLL_1401,
  40 };
  41
  42 static struct pll_init_data pa_pll_config =
  43         PASS_PLL_983;
  44
  45 #ifdef CONFIG_BOARD_EARLY_INIT_F
  46 int board_early_init_f(void)
  47 {
  48         int speed;
  49
  50         speed = get_max_dev_speed();
  51         init_pll(&core_pll_config[speed]);
  52
  53         init_pll(&pa_pll_config);
  54
  55         speed = get_max_arm_speed();
  56         init_pll(&tetris_pll_config[speed]);
  57
  58         return 0;
  59 }
  60 #endif
  61
  62 #ifdef CONFIG_SPL_BUILD
  63 static struct pll_init_data spl_pll_config[] = {
  64         CORE_PLL_799,
  65         TETRIS_PLL_491,
  66 };
  67
  68 void spl_init_keystone_plls(void)
  69 {
  70         init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
  71 }
  72 #endif