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