upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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142 lines
3.6 KiB
142 lines
3.6 KiB
/*
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* Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
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*
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* Based on Kirkwood support:
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <command.h>
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#include <asm/arch/kirkwood.h>
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#include <asm/arch/mpp.h>
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#include <asm/arch/gpio.h>
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#include "netspace_v2.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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/* Gpio configuration */
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kw_config_gpio(NETSPACE_V2_OE_VAL_LOW, NETSPACE_V2_OE_VAL_HIGH,
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NETSPACE_V2_OE_LOW, NETSPACE_V2_OE_HIGH);
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/* Multi-Purpose Pins Functionality configuration */
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u32 kwmpp_config[] = {
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MPP0_SPI_SCn,
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MPP1_SPI_MOSI,
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MPP2_SPI_SCK,
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MPP3_SPI_MISO,
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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, /* Fan speed (bit 1) */
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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, /* Red led */
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MPP14_GPIO, /* USB fuse */
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MPP16_GPIO, /* SATA 0 power */
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MPP17_GPIO, /* SATA 1 power */
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MPP18_NF_IO0,
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MPP19_NF_IO1,
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MPP20_SATA1_ACTn,
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MPP21_SATA0_ACTn,
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MPP22_GPIO, /* Fan speed (bit 0) */
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MPP23_GPIO, /* Fan power */
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MPP24_GPIO, /* USB mode select */
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MPP25_GPIO, /* Fan rotation fail */
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MPP26_GPIO, /* USB vbus-in detection */
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MPP28_GPIO, /* USB enable vbus-out */
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MPP29_GPIO, /* Blue led (slow register) */
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MPP30_GPIO, /* Blue led (command register) */
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MPP31_GPIO, /* Board power off */
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MPP32_GPIO, /* Button (0 = Released, 1 = Pushed) */
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MPP33_GPIO, /* Fan speed (bit 2) */
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0
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};
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kirkwood_mpp_conf(kwmpp_config);
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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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/* Machine number */
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gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
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/* Boot parameters address */
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gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
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return 0;
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}
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void mv_phy_88e1116_init(char *name)
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{
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u16 reg;
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u16 devadr;
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if (miiphy_set_current_dev(name))
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return;
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/* command to read PHY dev address */
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if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
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printf("Err..(%s) could not read PHY dev address\n", __func__);
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return;
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}
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/*
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* Enable RGMII delay on Tx and Rx for CPU port
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* Ref: sec 4.7.2 of chip datasheet
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*/
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
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miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
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reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
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miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
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/* reset the phy */
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if (miiphy_read(name, devadr, MII_BMCR, ®) != 0) {
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printf("Err..(%s) PHY status read failed\n", __func__);
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return;
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}
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if (miiphy_write(name, devadr, MII_BMCR, reg | 0x8000) != 0) {
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printf("Err..(%s) PHY reset failed\n", __func__);
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return;
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}
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debug("88E1116 Initialized on %s\n", name);
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}
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/* Configure and initialize PHY */
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void reset_phy(void)
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{
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mv_phy_88e1116_init("egiga0");
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}
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/* Return GPIO button status */
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static int
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do_read_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return kw_gpio_get_value(NETSPACE_V2_GPIO_BUTTON);
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}
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U_BOOT_CMD(button, 1, 1, do_read_button,
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"Return GPIO button status 0=off 1=on", "");
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