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/*
* Copyright (C) 2015 Compulab, Ltd.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
#include <asm/emif.h>
#include <power/pmic.h>
#include <power/tps65218.h>
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* setup board specific PMIC */
int power_init_board(void)
{
struct pmic *p;
uchar tps_status = 0;
power_tps65218_init(I2C_PMIC);
p = pmic_get("TPS65218_PMIC");
if (p && !pmic_probe(p)) {
puts("PMIC: TPS65218\n");
/* We don't care if fseal is locked, but we do need it set */
tps65218_lock_fseal();
tps65218_reg_read(TPS65218_STATUS, &tps_status);
if (!(tps_status & TPS65218_FSEAL))
printf("WARNING: RTC not backed by battery!\n");
}
return 0;
}
int board_init(void)
{
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
gpmc_init();
set_i2c_pin_mux();
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
i2c_probe(TPS65218_CHIP_PM);
return 0;
}
#ifdef CONFIG_DRIVER_TI_CPSW
static void cpsw_control(int enabled)
{
return;
}
static struct cpsw_slave_data cpsw_slaves[] = {
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
.phy_addr = 0,
.phy_if = PHY_INTERFACE_MODE_RGMII,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
.phy_addr = 1,
.phy_if = PHY_INTERFACE_MODE_RGMII,
},
};
static struct cpsw_platform_data cpsw_data = {
.mdio_base = CPSW_MDIO_BASE,
.cpsw_base = CPSW_BASE,
.mdio_div = 0xff,
.channels = 8,
.cpdma_reg_ofs = 0x800,
.slaves = 2,
.slave_data = cpsw_slaves,
.ale_reg_ofs = 0xd00,
.ale_entries = 1024,
.host_port_reg_ofs = 0x108,
.hw_stats_reg_ofs = 0x900,
.bd_ram_ofs = 0x2000,
.mac_control = (1 << 5),
.control = cpsw_control,
.host_port_num = 0,
.version = CPSW_CTRL_VERSION_2,
};
#define GPIO_PHY1_RST 170
#define GPIO_PHY2_RST 168
int board_phy_config(struct phy_device *phydev)
{
unsigned short val;
/* introduce tx clock delay */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
val |= 0x0100;
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
if (phydev->drv->config)
return phydev->drv->config(phydev);
return 0;
}
static void board_phy_init(void)
{
set_mdio_pin_mux();
writel(0x40003, 0x44e10a74); /* Mux pin as clkout2 */
writel(0x10006, 0x44df4108); /* Select EXTDEV as clock source */
writel(0x4, 0x44df2e60); /* Set EXTDEV as MNbypass */
/* For revision A */
writel(0x2000009, 0x44df2e6c);
writel(0x38a, 0x44df2e70);
mdelay(10);
gpio_request(GPIO_PHY1_RST, "phy1_rst");
gpio_request(GPIO_PHY2_RST, "phy2_rst");
gpio_direction_output(GPIO_PHY1_RST, 0);
gpio_direction_output(GPIO_PHY2_RST, 0);
mdelay(2);
gpio_set_value(GPIO_PHY1_RST, 1);
gpio_set_value(GPIO_PHY2_RST, 1);
mdelay(2);
}
int board_eth_init(bd_t *bis)
{
int rv;
set_rgmii_pin_mux();
writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel);
board_phy_init();
rv = cpsw_register(&cpsw_data);
if (rv < 0)
printf("Error %d registering CPSW switch\n", rv);
return rv;
}
#endif
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