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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130 lines
3.1 KiB
130 lines
3.1 KiB
/*
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* (C) Copyright 2009
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* Michael Schwingen, michael@schwingen.org
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <malloc.h>
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#include <asm/arch/ixp425.h>
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#include <asm/io.h>
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#include <miiphy.h>
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#ifdef CONFIG_PCI
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#include <pci.h>
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#include <asm/arch/ixp425pci.h>
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#endif
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#include "dvlhost_hw.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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/* CS1: LED Latch */
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writel(0xBFFF0002, IXP425_EXP_CS1);
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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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gd->bd->bi_arch_number = MACH_TYPE_DVLHOST;
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/* adress of boot parameters */
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gd->bd->bi_boot_params = 0x00000100;
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/* Setup GPIOs used as output */
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDGTRIGGER);
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DLAN_PAIRING);
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCIRST);
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/*
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* LED latch enable and watchdog enable are tied to the same GPIO,
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* so we need to trigger the watchdog if we want to enable the LEDs.
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*/
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#ifdef CONFIG_HW_WATCHDOG
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDG_LED_EN);
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#else
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_WDG_LED_EN);
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#endif
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDGTRIGGER);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DLAN_PAIRING);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDG_LED_EN);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCIRST);
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/* Setup GPIOs for Interrupt inputs */
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_WLAN);
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_PAIRING);
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_RESET);
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQA);
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQB);
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/* Setup GPIO's for 33MHz clock output */
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
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writel(0x01FF01FF, IXP425_GPIO_GPCLKR);
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/* turn off all LEDs */
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writew(0x0000, DVLHOST_LED_LATCH);
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udelay(533);
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCIRST);
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return 0;
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}
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/* Check Board Identity */
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int checkboard(void)
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{
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char *s = getenv("serial#");
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puts("Board: dLAN 200AV (dvlhost)");
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if (s != NULL) {
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puts(", serial# ");
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puts(s);
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}
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putc('\n');
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
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return 0;
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}
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#ifdef CONFIG_PCI
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struct pci_controller hose;
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void pci_init_board(void)
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{
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pci_ixp_init(&hose);
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}
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#endif
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void reset_phy(void)
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{
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/* init IcPlus IP175C ethernet switch to native IP175C mode */
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miiphy_write("NPE1", 29, 31, 0x175C);
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}
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