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1 /*
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 *
15 * SPDX-License-Identifier: GPL-2.0+
16 */
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
28 DECLARE_GLOBAL_DATA_PTR;
29
30 int 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
44 int board_init(void)
45 {
46 /* adress of boot parameters */
47 gd->bd->bi_boot_params = 0x00000100;
48
49 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);
53
54 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
55 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_ETHRST);
56
57 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DSR);
58 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DCD);
59
60 /* Setup GPIOs for Interrupt inputs */
61 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DBGINT);
62 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_ETHINT);
63
64 /* 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);
68
69 udelay(533);
70 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
71 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_ETHRST);
72
73 ACTUX2_LED1(1);
74 ACTUX2_LED2(0);
75 ACTUX2_LED3(0);
76 ACTUX2_LED4(0);
77
78 return 0;
79 }
80
81 /*
82 * Check Board Identity
83 */
84 int checkboard(void)
85 {
86 char buf[64];
87 int i = getenv_f("serial#", buf, sizeof(buf));
88
89 puts("Board: AcTux-2 rev.");
90 putc(ACTUX2_BOARDREL + 'A' - 1);
91
92 if (i > 0) {
93 puts(", serial# ");
94 puts(buf);
95 }
96 putc('\n');
97
98 return 0;
99 }
100
101 int dram_init(void)
102 {
103 gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
104 return 0;
105 }
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 *************************************************************************/
113 u32 get_board_rev(void)
114 {
115 return ACTUX2_BOARDREL;
116 }
117
118 void reset_phy(void)
119 {
120 /* init IcPlus IP175C ethernet switch to native IP175C mode */
121 miiphy_write("NPE0", 29, 31, 0x175C);
122 }