xref: /openbmc/u-boot/board/d-link/dns325/dns325.c (revision baefb63a)
1 /*
2  * Copyright (C) 2011
3  * Stefan Herbrechtsmeier <stefan@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  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #include <common.h>
14 #include <miiphy.h>
15 #include <netdev.h>
16 #include <asm/arch/cpu.h>
17 #include <asm/arch/soc.h>
18 #include <asm/arch/mpp.h>
19 #include <asm/arch/gpio.h>
20 #include "dns325.h"
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 int board_early_init_f(void)
25 {
26 	/* Gpio configuration */
27 	mvebu_config_gpio(DNS325_OE_VAL_LOW, DNS325_OE_VAL_HIGH,
28 			  DNS325_OE_LOW, DNS325_OE_HIGH);
29 
30 	/* Multi-Purpose Pins Functionality configuration */
31 	static const u32 kwmpp_config[] = {
32 		MPP0_NF_IO2,
33 		MPP1_NF_IO3,
34 		MPP2_NF_IO4,
35 		MPP3_NF_IO5,
36 		MPP4_NF_IO6,
37 		MPP5_NF_IO7,
38 		MPP6_SYSRST_OUTn,
39 		MPP7_GPO,
40 		MPP8_TW_SDA,
41 		MPP9_TW_SCK,
42 		MPP10_UART0_TXD,
43 		MPP11_UART0_RXD,
44 		MPP12_SD_CLK,
45 		MPP13_SD_CMD,
46 		MPP14_SD_D0,
47 		MPP15_SD_D1,
48 		MPP16_SD_D2,
49 		MPP17_SD_D3,
50 		MPP18_NF_IO0,
51 		MPP19_NF_IO1,
52 		MPP20_SATA1_ACTn,	/* sata1(left) status led */
53 		MPP21_SATA0_ACTn,	/* sata0(right) status led */
54 		MPP22_GPIO,
55 		MPP23_GPIO,
56 		MPP24_GPIO,		/* power off out */
57 		MPP25_GPIO,
58 		MPP26_GPIO,		/* power led */
59 		MPP27_GPIO,		/* sata0(right) error led */
60 		MPP28_GPIO,		/* sata1(left) error led */
61 		MPP29_GPIO,		/* usb error led */
62 		MPP30_GPIO,
63 		MPP31_GPIO,
64 		MPP32_GPIO,
65 		MPP33_GPIO,
66 		MPP34_GPIO,		/* power key */
67 		MPP35_GPIO,
68 		MPP36_GPIO,
69 		MPP37_GPIO,
70 		MPP38_GPIO,
71 		MPP39_GPIO,		/* enable sata 0 */
72 		MPP40_GPIO,		/* enable sata 1 */
73 		MPP41_GPIO,		/* hdd0 present */
74 		MPP42_GPIO,		/* hdd1 present */
75 		MPP43_GPIO,		/* usb status led */
76 		MPP44_GPIO,		/* fan status */
77 		MPP45_GPIO,		/* fan high speed */
78 		MPP46_GPIO,		/* fan low speed */
79 		MPP47_GPIO,		/* usb umount */
80 		MPP48_GPIO,		/* factory reset */
81 		MPP49_GPIO,		/* thermal sensor */
82 		0
83 	};
84 	kirkwood_mpp_conf(kwmpp_config, NULL);
85 
86 	kw_gpio_set_blink(DNS325_GPIO_LED_POWER , 1);
87 
88 	kw_gpio_set_value(DNS325_GPIO_SATA0_EN , 1);
89 	return 0;
90 }
91 
92 int board_init(void)
93 {
94 	/* Boot parameters address */
95 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
96 
97 	return 0;
98 }
99 
100 #ifdef CONFIG_RESET_PHY_R
101 /* Configure and initialize PHY */
102 void reset_phy(void)
103 {
104 	u16 reg;
105 	u16 devadr;
106 	char *name = "egiga0";
107 
108 	if (miiphy_set_current_dev(name))
109 		return;
110 
111 	/* command to read PHY dev address */
112 	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
113 		printf("Err..(%s) could not read PHY dev address\n", __func__);
114 		return;
115 	}
116 
117 	/*
118 	 * Enable RGMII delay on Tx and Rx for CPU port
119 	 * Ref: sec 4.7.2 of chip datasheet
120 	 */
121 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
122 	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
123 	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
124 	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
125 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
126 
127 	/* reset the phy */
128 	miiphy_reset(name, devadr);
129 
130 	debug("88E1116 Initialized on %s\n", name);
131 }
132 #endif /* CONFIG_RESET_PHY_R */
133