+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015
+ * Gerald Kerma <dreagle@doukki.net>
+ * Tony Dinh <mibodhi@gmail.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <miiphy.h>
+#include <net.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include "nsa310s.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ /*
+ * default gpio configuration
+ * There are maximum 64 gpios controlled through 2 sets of registers
+ * the below configuration configures mainly initial LED status
+ */
+ mvebu_config_gpio(NSA310S_VAL_LOW, NSA310S_VAL_HIGH,
+ NSA310S_OE_LOW, NSA310S_OE_HIGH);
+
+ /* (all LEDs & power off active high) */
+ /* Multi-Purpose Pins Functionality configuration */
+ static const u32 kwmpp_config[] = {
+ MPP0_NF_IO2,
+ MPP1_NF_IO3,
+ MPP2_NF_IO4,
+ MPP3_NF_IO5,
+ MPP4_NF_IO6,
+ MPP5_NF_IO7,
+ MPP6_SYSRST_OUTn,
+ MPP7_GPO,
+ MPP8_TW_SDA,
+ MPP9_TW_SCK,
+ MPP10_UART0_TXD,
+ MPP11_UART0_RXD,
+ MPP12_GPO,
+ MPP13_GPIO,
+ MPP14_GPIO,
+ MPP15_GPIO,
+ MPP16_GPIO,
+ MPP17_GPIO,
+ MPP18_NF_IO0,
+ MPP19_NF_IO1,
+ MPP20_GPIO,
+ MPP21_GPIO,
+ MPP22_GPIO,
+ MPP23_GPIO,
+ MPP24_GPIO,
+ MPP25_GPIO,
+ MPP26_GPIO,
+ MPP27_GPIO,
+ MPP28_GPIO,
+ MPP29_GPIO,
+ MPP30_GPIO,
+ MPP31_GPIO,
+ MPP32_GPIO,
+ MPP33_GPIO,
+ MPP34_GPIO,
+ MPP35_GPIO,
+ 0
+ };
+ kirkwood_mpp_conf(kwmpp_config, NULL);
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+ return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+ u16 reg;
+ u16 phyaddr;
+ char *name = "egiga0";
+
+ if (miiphy_set_current_dev(name))
+ return;
+
+ /* read PHY dev address */
+ if (miiphy_read(name, 0xee, 0xee, (u16 *) &phyaddr)) {
+ printf("could not read PHY dev address\n");
+ return;
+ }
+
+ /* set RGMII delay */
+ miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_MAC_CTRL_PG);
+ miiphy_read(name, phyaddr, MV88E1318_MAC_CTRL_REG, ®);
+ reg |= (MV88E1318_RGMII_RX_CTRL | MV88E1318_RGMII_TX_CTRL);
+ miiphy_write(name, phyaddr, MV88E1318_MAC_CTRL_REG, reg);
+ miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
+
+ /* reset PHY */
+ if (miiphy_reset(name, phyaddr))
+ return;
+
+ /*
+ * ZyXEL NSA310S uses the 88E1310S Alaska (interface identical to 88E1318)
+ * and has an MCU attached to the LED[2] via tristate interrupt
+ */
+
+ /* switch to LED register page */
+ miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_LED_PG);
+ /* read out LED polarity register */
+ miiphy_read(name, phyaddr, MV88E1318_LED_POL_REG, ®);
+ /* clear 4, set 5 - LED2 low, tri-state */
+ reg &= ~(MV88E1318_LED2_4);
+ reg |= (MV88E1318_LED2_5);
+ /* write back LED polarity register */
+ miiphy_write(name, phyaddr, MV88E1318_LED_POL_REG, reg);
+ /* jump back to page 0, per the PHY chip documenation. */
+ miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
+
+ /* set PHY back to auto-negotiation mode */
+ miiphy_write(name, phyaddr, 0x4, 0x1e1);
+ miiphy_write(name, phyaddr, 0x9, 0x300);
+ /* downshift */
+ miiphy_write(name, phyaddr, 0x10, 0x3860);
+ miiphy_write(name, phyaddr, 0x0, 0x9140);
+}
+#endif /* CONFIG_RESET_PHY_R */
projects / platform / kernel / u-boot.git / commitdiff