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-rw-r--r--board/LaCie/common/common.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/board/LaCie/common/common.c b/board/LaCie/common/common.c
new file mode 100644
index 0000000..dc5350d
--- /dev/null
+++ b/board/LaCie/common/common.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <miiphy.h>
+
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
+
+#define MV88E1116_LED_FCTRL_REG 10
+#define MV88E1116_CPRSP_CR3_REG 21
+#define MV88E1116_MAC_CTRL_REG 21
+#define MV88E1116_PGADR_REG 22
+#define MV88E1116_RGMII_TXTM_CTRL (1 << 4)
+#define MV88E1116_RGMII_RXTM_CTRL (1 << 5)
+
+void mv_phy_88e1116_init(const char *name)
+{
+ u16 reg;
+ u16 devadr;
+
+ if (miiphy_set_current_dev(name))
+ return;
+
+ /* command to read PHY dev address */
+ if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
+ printf("Err..(%s) could not read PHY dev address\n", __func__);
+ return;
+ }
+
+ /*
+ * Enable RGMII delay on Tx and Rx for CPU port
+ * Ref: sec 4.7.2 of chip datasheet
+ */
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
+ miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
+ reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
+ miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
+
+ /* reset the phy */
+ miiphy_reset(name, devadr);
+
+ printf("88E1116 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 */