3 * Michael Schwingen, michael@schwingen.org
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
9 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
12 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
13 * Marius Groeger <mgroeger@sysgo.de>
15 * See file CREDITS for list of people who contributed to this
18 * This program is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU General Public License as
20 * published by the Free Software Foundation; either version 2 of
21 * the License, or (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
37 #include <asm/arch/ixp425.h>
42 #include "actux2_hw.h"
44 DECLARE_GLOBAL_DATA_PTR;
46 int board_early_init_f(void)
49 writel(0x94d10013, IXP425_EXP_CS1);
51 writel(0x9d520003, IXP425_EXP_CS5);
52 /* CS6: HW release register */
53 writel(0x81860001, IXP425_EXP_CS6);
55 writel(0x80900003, IXP425_EXP_CS7);
62 gd->bd->bi_arch_number = MACH_TYPE_ACTUX2;
64 /* adress of boot parameters */
65 gd->bd->bi_boot_params = 0x00000100;
67 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
68 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_ETHRST);
69 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DSR);
70 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DCD);
72 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
73 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_ETHRST);
75 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DSR);
76 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DCD);
78 /* Setup GPIOs for Interrupt inputs */
79 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DBGINT);
80 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_ETHINT);
82 /* Setup GPIOs for 33MHz clock output */
83 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
84 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
85 writel(0x011001FF, IXP425_GPIO_GPCLKR);
88 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
89 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_ETHRST);
100 * Check Board Identity
105 int i = getenv_f("serial#", buf, sizeof(buf));
107 puts("Board: AcTux-2 rev.");
108 putc(ACTUX2_BOARDREL + 'A' - 1);
121 gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
125 /*************************************************************************
126 * get_board_rev() - setup to pass kernel board revision information
130 *************************************************************************/
131 u32 get_board_rev(void)
133 return ACTUX2_BOARDREL;
138 /* init IcPlus IP175C ethernet switch to native IP175C mode */
139 miiphy_write("NPE0", 29, 31, 0x175C);