u-boot-brain/board/ti/ks2_evm/board_k2hk.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

103 lines
1.9 KiB
C

/*
* K2HK EVM : Board initialization
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned int external_clk[ext_clk_count] = {
[sys_clk] = 122880000,
[alt_core_clk] = 125000000,
[pa_clk] = 122880000,
[tetris_clk] = 125000000,
[ddr3a_clk] = 100000000,
[ddr3b_clk] = 100000000,
[mcm_clk] = 312500000,
[pcie_clk] = 100000000,
[sgmii_srio_clk] = 156250000,
[xgmii_clk] = 156250000,
[usb_clk] = 100000000,
[rp1_clk] = 123456789
};
static struct pll_init_data core_pll_config[] = {
CORE_PLL_799,
CORE_PLL_999,
CORE_PLL_1200,
};
static struct pll_init_data tetris_pll_config[] = {
TETRIS_PLL_800,
TETRIS_PLL_1000,
TETRIS_PLL_1200,
TETRIS_PLL_1350,
TETRIS_PLL_1400,
};
static struct pll_init_data pa_pll_config =
PASS_PLL_983;
#ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
struct eth_priv_t eth_priv_cfg[] = {
{
.int_name = "K2HK_EMAC",
.rx_flow = 22,
.phy_addr = 0,
.slave_port = 1,
.sgmii_link_type = SGMII_LINK_MAC_PHY,
},
{
.int_name = "K2HK_EMAC1",
.rx_flow = 23,
.phy_addr = 1,
.slave_port = 2,
.sgmii_link_type = SGMII_LINK_MAC_PHY,
},
{
.int_name = "K2HK_EMAC2",
.rx_flow = 24,
.phy_addr = 2,
.slave_port = 3,
.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
},
{
.int_name = "K2HK_EMAC3",
.rx_flow = 25,
.phy_addr = 3,
.slave_port = 4,
.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
},
};
int get_num_eth_ports(void)
{
return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
}
#endif
#ifdef 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);
speed = get_max_arm_speed();
init_pll(&tetris_pll_config[speed]);
return 0;
}
#endif