u-boot-brain/board/ti/ks2_evm/board_k2e.c
Vitaly Andrianov 61f66fd5a8 keystone2: use EFUSE_BOOTROM information to configure PLLs
This patch reads EFUSE_BOOTROM register to see the maximum supported
clock for CORE and TETRIS PLLs and configure them accordingly.

Acked-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
2014-08-25 10:48:12 -04:00

55 lines
967 B
C

/*
* K2E EVM : Board initialization
*
* (C) Copyright 2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/ddr3.h>
#include <asm/arch/hardware.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned int external_clk[ext_clk_count] = {
[sys_clk] = 100000000,
[alt_core_clk] = 100000000,
[pa_clk] = 100000000,
[ddr3_clk] = 100000000,
[mcm_clk] = 312500000,
[pcie_clk] = 100000000,
[sgmii_clk] = 156250000,
[xgmii_clk] = 156250000,
[usb_clk] = 100000000,
};
static struct pll_init_data core_pll_config[] = {
CORE_PLL_800,
CORE_PLL_850,
CORE_PLL_1000,
CORE_PLL_1250,
CORE_PLL_1350,
CORE_PLL_1400,
CORE_PLL_1500,
};
static struct pll_init_data pa_pll_config =
PASS_PLL_1000;
#if defined(CONFIG_BOARD_EARLY_INIT_F)
int board_early_init_f(void)
{
int speed;
speed = get_max_dev_speed();
init_pll(&core_pll_config[speed]);
init_pll(&pa_pll_config);
return 0;
}
#endif