| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2009 |
| * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| * |
| * Copyright (C) 2012 Stefan Roese <sr@denx.de> |
| */ |
| |
| #include <common.h> |
| #include <flash.h> |
| #include <init.h> |
| #include <micrel.h> |
| #include <nand.h> |
| #include <net.h> |
| #include <netdev.h> |
| #include <phy.h> |
| #include <rtc.h> |
| #include <asm/io.h> |
| #include <asm/mach-types.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/spr_defs.h> |
| #include <asm/arch/spr_misc.h> |
| #include <linux/mtd/fsmc_nand.h> |
| #include "fpga.h" |
| |
| static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE]; |
| |
| int board_init(void) |
| { |
| /* |
| * X600 is equipped with an M41T82 RTC. This RTC has the |
| * HT bit (Halt Update), which needs to be cleared upon |
| * power-up. Otherwise the RTC is halted. |
| */ |
| rtc_reset(); |
| |
| return spear_board_init(MACH_TYPE_SPEAR600); |
| } |
| |
| int board_late_init(void) |
| { |
| /* |
| * Monitor and env protection on by default |
| */ |
| flash_protect(FLAG_PROTECT_SET, |
| CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + |
| CONFIG_SYS_SPL_LEN + CONFIG_SYS_MONITOR_LEN + |
| 2 * CONFIG_ENV_SECT_SIZE - 1, |
| &flash_info[0]); |
| |
| /* Init FPGA subsystem */ |
| x600_init_fpga(); |
| |
| return 0; |
| } |
| |
| /* |
| * board_nand_init - Board specific NAND initialization |
| * @nand: mtd private chip structure |
| * |
| * Called by nand_init_chip to initialize the board specific functions |
| */ |
| |
| void board_nand_init(void) |
| { |
| struct misc_regs *const misc_regs_p = |
| (struct misc_regs *)CONFIG_SPEAR_MISCBASE; |
| struct nand_chip *nand = &nand_chip[0]; |
| |
| if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS)) |
| fsmc_nand_init(nand); |
| } |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| unsigned short id1, id2; |
| |
| /* check whether KSZ9031 or AR8035 has to be configured */ |
| id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2); |
| id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3); |
| |
| if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) { |
| /* PHY configuration for Micrel KSZ9031 */ |
| printf("PHY KSZ9031 detected - "); |
| |
| phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, 0x1c00); |
| |
| /* control data pad skew - devaddr = 0x02, register = 0x04 */ |
| ksz9031_phy_extended_write(phydev, 0x02, |
| MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, |
| MII_KSZ9031_MOD_DATA_NO_POST_INC, |
| 0x0000); |
| /* rx data pad skew - devaddr = 0x02, register = 0x05 */ |
| ksz9031_phy_extended_write(phydev, 0x02, |
| MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, |
| MII_KSZ9031_MOD_DATA_NO_POST_INC, |
| 0x0000); |
| /* tx data pad skew - devaddr = 0x02, register = 0x05 */ |
| ksz9031_phy_extended_write(phydev, 0x02, |
| MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, |
| MII_KSZ9031_MOD_DATA_NO_POST_INC, |
| 0x0000); |
| /* gtx and rx clock pad skew - devaddr = 0x02, reg = 0x08 */ |
| ksz9031_phy_extended_write(phydev, 0x02, |
| MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, |
| MII_KSZ9031_MOD_DATA_NO_POST_INC, |
| 0x03FF); |
| } else { |
| /* PHY configuration for Vitesse VSC8641 */ |
| printf("PHY VSC8641 detected - "); |
| |
| /* Extended PHY control 1, select GMII */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 23, 0x0020); |
| |
| /* Software reset necessary after GMII mode selction */ |
| phy_reset(phydev); |
| |
| /* Enable extended page register access */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 31, 0x0001); |
| |
| /* 17e: Enhanced LED behavior, needs to be written twice */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x09ff); |
| phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x09ff); |
| |
| /* 16e: Enhanced LED method select */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 16, 0xe0ea); |
| |
| /* Disable extended page register access */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 31, 0x0000); |
| |
| /* Enable clock output pin */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 18, 0x0049); |
| } |
| |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| int ret = 0; |
| |
| if (designware_initialize(CONFIG_SPEAR_ETHBASE, |
| PHY_INTERFACE_MODE_GMII) >= 0) |
| ret++; |
| |
| return ret; |
| } |