GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/LaCie/common/common.c

@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <miiphy.h>
+
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
+
+#define MII_MARVELL_PHY_PAGE		22
+
+#define MV88E1116_LED_FCTRL_REG		10
+#define MV88E1116_CPRSP_CR3_REG		21
+#define MV88E1116_MAC_CTRL_REG		21
+#define MV88E1116_RGMII_TXTM_CTRL	(1 << 4)
+#define MV88E1116_RGMII_RXTM_CTRL	(1 << 5)
+
+void mv_phy_88e1116_init(const char *name, u16 phyaddr)
+{
+	u16 reg;
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/*
+	 * Enable RGMII delay on Tx and Rx for CPU port
+	 * Ref: sec 4.7.2 of chip datasheet
+	 */
+	miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
+	miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, &reg);
+	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
+	miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
+	miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
+
+	if (miiphy_reset(name, phyaddr) == 0)
+		printf("88E1116 Initialized on %s\n", name);
+}
+
+void mv_phy_88e1318_init(const char *name, u16 phyaddr)
+{
+	u16 reg;
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/*
+	 * Set control mode 4 for LED[0].
+	 */
+	miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 3);
+	miiphy_read(name, phyaddr, 16, &reg);
+	reg |= 0xf;
+	miiphy_write(name, phyaddr, 16, reg);
+
+	/*
+	 * Enable RGMII delay on Tx and Rx for CPU port
+	 * Ref: sec 4.7.2 of chip datasheet
+	 */
+	miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
+	miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, &reg);
+	reg |= (MV88E1116_RGMII_TXTM_CTRL | MV88E1116_RGMII_RXTM_CTRL);
+	miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
+	miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
+
+	if (miiphy_reset(name, phyaddr) == 0)
+		printf("88E1318 Initialized on %s\n", name);
+}
+#endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */
+
+#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
+int lacie_read_mac_address(uchar *mac_addr)
+{
+	int ret;
+	ushort version;
+
+	/* I2C-0 for on-board EEPROM */
+	i2c_set_bus_num(0);
+
+	/* Check layout version for EEPROM data */
+	ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
+			CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
+			(uchar *) &version, 2);
+	if (ret != 0) {
+		printf("Error: failed to read I2C EEPROM @%02x\n",
+			CONFIG_SYS_I2C_EEPROM_ADDR);
+		return ret;
+	}
+	version = be16_to_cpu(version);
+	if (version < 1 || version > 3) {
+		printf("Error: unknown version %d for EEPROM data\n",
+			version);
+		return -1;
+	}
+
+	/* Read Ethernet MAC address from EEPROM */
+	ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
+			CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6);
+	if (ret != 0)
+		printf("Error: failed to read I2C EEPROM @%02x\n",
+			CONFIG_SYS_I2C_EEPROM_ADDR);
+	return ret;
+}
+#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */