xref: /openbmc/u-boot/board/d-link/dns325/dns325.c (revision bf48fcb6)
1 /*
2  * Copyright (C) 2011
3  * Stefan Herbrechtsmeier <stefan@code.herbrechtsmeier.net>
4  *
5  * Based on Kirkwood support:
6  * (C) Copyright 2009
7  * Marvell Semiconductor <www.marvell.com>
8  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
9  *
10  * See file CREDITS for list of people who contributed to this
11  * project.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation; either version 2 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
26  * MA 02110-1301 USA
27  */
28 
29 #include <common.h>
30 #include <miiphy.h>
31 #include <netdev.h>
32 #include <asm/arch/cpu.h>
33 #include <asm/arch/kirkwood.h>
34 #include <asm/arch/mpp.h>
35 #include <asm/arch/gpio.h>
36 #include "dns325.h"
37 
38 DECLARE_GLOBAL_DATA_PTR;
39 
40 int board_early_init_f(void)
41 {
42 	/* Gpio configuration */
43 	kw_config_gpio(DNS325_OE_VAL_LOW, DNS325_OE_VAL_HIGH,
44 			DNS325_OE_LOW, DNS325_OE_HIGH);
45 
46 	/* Multi-Purpose Pins Functionality configuration */
47 	static const u32 kwmpp_config[] = {
48 		MPP0_NF_IO2,
49 		MPP1_NF_IO3,
50 		MPP2_NF_IO4,
51 		MPP3_NF_IO5,
52 		MPP4_NF_IO6,
53 		MPP5_NF_IO7,
54 		MPP6_SYSRST_OUTn,
55 		MPP7_GPO,
56 		MPP8_TW_SDA,
57 		MPP9_TW_SCK,
58 		MPP10_UART0_TXD,
59 		MPP11_UART0_RXD,
60 		MPP12_SD_CLK,
61 		MPP13_SD_CMD,
62 		MPP14_SD_D0,
63 		MPP15_SD_D1,
64 		MPP16_SD_D2,
65 		MPP17_SD_D3,
66 		MPP18_NF_IO0,
67 		MPP19_NF_IO1,
68 		MPP20_SATA1_ACTn,	/* sata1(left) status led */
69 		MPP21_SATA0_ACTn,	/* sata0(right) status led */
70 		MPP22_GPIO,
71 		MPP23_GPIO,
72 		MPP24_GPIO,		/* power off out */
73 		MPP25_GPIO,
74 		MPP26_GPIO,		/* power led */
75 		MPP27_GPIO,		/* sata0(right) error led */
76 		MPP28_GPIO,		/* sata1(left) error led */
77 		MPP29_GPIO,		/* usb error led */
78 		MPP30_GPIO,
79 		MPP31_GPIO,
80 		MPP32_GPIO,
81 		MPP33_GPIO,
82 		MPP34_GPIO,		/* power key */
83 		MPP35_GPIO,
84 		MPP36_GPIO,
85 		MPP37_GPIO,
86 		MPP38_GPIO,
87 		MPP39_GPIO,		/* enable sata 0 */
88 		MPP40_GPIO,		/* enable sata 1 */
89 		MPP41_GPIO,		/* hdd0 present */
90 		MPP42_GPIO,		/* hdd1 present */
91 		MPP43_GPIO,		/* usb status led */
92 		MPP44_GPIO,		/* fan status */
93 		MPP45_GPIO,		/* fan high speed */
94 		MPP46_GPIO,		/* fan low speed */
95 		MPP47_GPIO,		/* usb umount */
96 		MPP48_GPIO,		/* factory reset */
97 		MPP49_GPIO,		/* thermal sensor */
98 		0
99 	};
100 	kirkwood_mpp_conf(kwmpp_config, NULL);
101 
102 	kw_gpio_set_blink(DNS325_GPIO_LED_POWER , 1);
103 
104 	kw_gpio_set_value(DNS325_GPIO_SATA0_EN , 1);
105 	return 0;
106 }
107 
108 int board_init(void)
109 {
110 	/* Boot parameters address */
111 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
112 
113 	return 0;
114 }
115 
116 #ifdef CONFIG_RESET_PHY_R
117 /* Configure and initialize PHY */
118 void reset_phy(void)
119 {
120 	u16 reg;
121 	u16 devadr;
122 	char *name = "egiga0";
123 
124 	if (miiphy_set_current_dev(name))
125 		return;
126 
127 	/* command to read PHY dev address */
128 	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
129 		printf("Err..(%s) could not read PHY dev address\n", __func__);
130 		return;
131 	}
132 
133 	/*
134 	 * Enable RGMII delay on Tx and Rx for CPU port
135 	 * Ref: sec 4.7.2 of chip datasheet
136 	 */
137 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
138 	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
139 	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
140 	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
141 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
142 
143 	/* reset the phy */
144 	miiphy_reset(name, devadr);
145 
146 	debug("88E1116 Initialized on %s\n", name);
147 }
148 #endif /* CONFIG_RESET_PHY_R */
149