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Michael Schwingenaebf00f2008-01-16 19:51:14 +01001/*
2 * (C) Copyright 2007
3 * Michael Schwingen, michael@schwingen.org
4 *
5 * (C) Copyright 2006
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
7 *
8 * (C) Copyright 2002
9 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
10 *
11 * (C) Copyright 2002
12 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
13 * Marius Groeger <mgroeger@sysgo.de>
14 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020015 * SPDX-License-Identifier: GPL-2.0+
Michael Schwingenaebf00f2008-01-16 19:51:14 +010016 */
17
18#include <common.h>
19#include <command.h>
20#include <malloc.h>
21#include <asm/arch/ixp425.h>
22#include <asm/io.h>
23
24#include <miiphy.h>
25
26#include "actux2_hw.h"
27
28DECLARE_GLOBAL_DATA_PTR;
29
Michael Schwingenaf050482011-05-23 00:00:05 +020030int board_early_init_f(void)
31{
32 /* CS1: IPAC-X */
33 writel(0x94d10013, IXP425_EXP_CS1);
34 /* CS5: Debug port */
35 writel(0x9d520003, IXP425_EXP_CS5);
36 /* CS6: HW release register */
37 writel(0x81860001, IXP425_EXP_CS6);
38 /* CS7: LEDs */
39 writel(0x80900003, IXP425_EXP_CS7);
40
41 return 0;
42}
43
44int board_init(void)
Michael Schwingenaebf00f2008-01-16 19:51:14 +010045{
Michael Schwingenaebf00f2008-01-16 19:51:14 +010046 /* adress of boot parameters */
47 gd->bd->bi_boot_params = 0x00000100;
48
Michael Schwingenaf050482011-05-23 00:00:05 +020049 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
50 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_ETHRST);
51 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DSR);
52 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DCD);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010053
Michael Schwingenaf050482011-05-23 00:00:05 +020054 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
55 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_ETHRST);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010056
Michael Schwingenaf050482011-05-23 00:00:05 +020057 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DSR);
58 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DCD);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010059
Michael Schwingenaf050482011-05-23 00:00:05 +020060 /* Setup GPIOs for Interrupt inputs */
61 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DBGINT);
62 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_ETHINT);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010063
Michael Schwingenaf050482011-05-23 00:00:05 +020064 /* Setup GPIOs for 33MHz clock output */
65 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
66 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
67 writel(0x011001FF, IXP425_GPIO_GPCLKR);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010068
Michael Schwingenaf050482011-05-23 00:00:05 +020069 udelay(533);
70 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
71 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_ETHRST);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010072
Michael Schwingenaf050482011-05-23 00:00:05 +020073 ACTUX2_LED1(1);
74 ACTUX2_LED2(0);
75 ACTUX2_LED3(0);
76 ACTUX2_LED4(0);
Michael Schwingenaebf00f2008-01-16 19:51:14 +010077
78 return 0;
79}
80
81/*
82 * Check Board Identity
83 */
Michael Schwingenaf050482011-05-23 00:00:05 +020084int checkboard(void)
Michael Schwingenaebf00f2008-01-16 19:51:14 +010085{
Wolfgang Denkf0c0b3a2011-05-04 10:32:28 +000086 char buf[64];
87 int i = getenv_f("serial#", buf, sizeof(buf));
Michael Schwingenaebf00f2008-01-16 19:51:14 +010088
Michael Schwingenaf050482011-05-23 00:00:05 +020089 puts("Board: AcTux-2 rev.");
90 putc(ACTUX2_BOARDREL + 'A' - 1);
Jean-Christophe PLAGNIOL-VILLARDc9bcf752008-02-25 00:03:10 +010091
Wolfgang Denkf0c0b3a2011-05-04 10:32:28 +000092 if (i > 0) {
93 puts(", serial# ");
94 puts(buf);
Jean-Christophe PLAGNIOL-VILLARDc9bcf752008-02-25 00:03:10 +010095 }
Michael Schwingenaf050482011-05-23 00:00:05 +020096 putc('\n');
Michael Schwingenaebf00f2008-01-16 19:51:14 +010097
Michael Schwingenaf050482011-05-23 00:00:05 +020098 return 0;
Michael Schwingenaebf00f2008-01-16 19:51:14 +010099}
100
Michael Schwingenaf050482011-05-23 00:00:05 +0200101int dram_init(void)
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100102{
Michael Schwingenaf050482011-05-23 00:00:05 +0200103 gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
104 return 0;
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100105}
106
107/*************************************************************************
108 * get_board_rev() - setup to pass kernel board revision information
109 * 0 = reserved
110 * 1 = Rev. A
111 * 2 = Rev. B
112 *************************************************************************/
Michael Schwingenaf050482011-05-23 00:00:05 +0200113u32 get_board_rev(void)
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100114{
115 return ACTUX2_BOARDREL;
116}
117
Michael Schwingenaf050482011-05-23 00:00:05 +0200118void reset_phy(void)
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100119{
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100120 /* init IcPlus IP175C ethernet switch to native IP175C mode */
Michael Schwingenaf050482011-05-23 00:00:05 +0200121 miiphy_write("NPE0", 29, 31, 0x175C);
Michael Schwingenaebf00f2008-01-16 19:51:14 +0100122}