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