141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
/*
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* (C) Copyright 2007
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* Michael Schwingen, michael@schwingen.org
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*
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* (C) Copyright 2006
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* (C) Copyright 2002
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* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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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 <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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#include "actux2_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: IPAC-X */
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writel(0x94d10013, IXP425_EXP_CS1);
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/* CS5: Debug port */
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writel(0x9d520003, IXP425_EXP_CS5);
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/* CS6: HW release register */
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writel(0x81860001, IXP425_EXP_CS6);
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/* CS7: LEDs */
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writel(0x80900003, IXP425_EXP_CS7);
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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_ACTUX2;
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/* adress of boot parameters */
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gd->bd->bi_boot_params = 0x00000100;
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_ETHRST);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DSR);
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GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DCD);
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_ETHRST);
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GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DSR);
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DCD);
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/* Setup GPIOs for Interrupt inputs */
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DBGINT);
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GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_ETHINT);
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/* Setup GPIOs 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(0x011001FF, IXP425_GPIO_GPCLKR);
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udelay(533);
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
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GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_ETHRST);
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ACTUX2_LED1(1);
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ACTUX2_LED2(0);
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ACTUX2_LED3(0);
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ACTUX2_LED4(0);
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return 0;
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}
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/*
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* Check Board Identity
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*/
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int checkboard(void)
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{
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char buf[64];
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int i = getenv_f("serial#", buf, sizeof(buf));
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puts("Board: AcTux-2 rev.");
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putc(ACTUX2_BOARDREL + 'A' - 1);
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if (i > 0) {
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puts(", serial# ");
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puts(buf);
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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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/*************************************************************************
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* get_board_rev() - setup to pass kernel board revision information
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* 0 = reserved
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* 1 = Rev. A
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* 2 = Rev. B
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*************************************************************************/
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u32 get_board_rev(void)
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{
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return ACTUX2_BOARDREL;
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}
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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("NPE0", 29, 31, 0x175C);
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}
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