board/ti/ks2_evm/board_k2e.c

   1 /*
   2  * K2E 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
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 unsigned int external_clk[ext_clk_count] = {
  17         [sys_clk]       = 100000000,
  18         [alt_core_clk]  = 100000000,
  19         [pa_clk]        = 100000000,
  20         [ddr3_clk]      = 100000000,
  21         [mcm_clk]       = 312500000,
  22         [pcie_clk]      = 100000000,
  23         [sgmii_clk]     = 156250000,
  24         [xgmii_clk]     = 156250000,
  25         [usb_clk]       = 100000000,
  26 };
  27
  28 static struct pll_init_data core_pll_config[] = {
  29         CORE_PLL_800,
  30         CORE_PLL_850,
  31         CORE_PLL_1000,
  32         CORE_PLL_1250,
  33         CORE_PLL_1350,
  34         CORE_PLL_1400,
  35         CORE_PLL_1500,
  36 };
  37
  38
  39 static struct pll_init_data pa_pll_config =
  40         PASS_PLL_1000;
  41
  42 #if defined(CONFIG_BOARD_EARLY_INIT_F)
  43 int board_early_init_f(void)
  44 {
  45         int speed;
  46
  47         speed = get_max_dev_speed();
  48         init_pll(&core_pll_config[speed]);
  49
  50         init_pll(&pa_pll_config);
  51
  52         return 0;
  53 }
  54 #endif
  55
  56 #ifdef CONFIG_SPL_BUILD
  57 static struct pll_init_data spl_pll_config[] = {
  58         CORE_PLL_800,
  59 };
  60
  61 void spl_init_keystone_plls(void)
  62 {
  63         init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
  64 }
  65 #endif