aboutsummaryrefslogtreecommitdiff
path: root/board/Marvell/openrd/openrd.c
blob: 87939decf3cc49878ed89f3968b97195c0cecb78 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/*
 * (C) Copyright 2009
 * Net Insight <www.netinsight.net>
 * Written-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
 *
 * Based on sheevaplug.c:
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <common.h>
#include <miiphy.h>
#include <asm/arch/kirkwood.h>
#include <asm/arch/mpp.h>
#include "openrd.h"

DECLARE_GLOBAL_DATA_PTR;

int board_early_init_f(void)
{
	/*
	 * default gpio configuration
	 * There are maximum 64 gpios controlled through 2 sets of registers
	 * the  below configuration configures mainly initial LED status
	 */
	kw_config_gpio(OPENRD_OE_VAL_LOW,
			OPENRD_OE_VAL_HIGH,
			OPENRD_OE_LOW, OPENRD_OE_HIGH);

	/* Multi-Purpose Pins Functionality configuration */
	u32 kwmpp_config[] = {
		MPP0_NF_IO2,
		MPP1_NF_IO3,
		MPP2_NF_IO4,
		MPP3_NF_IO5,
		MPP4_NF_IO6,
		MPP5_NF_IO7,
		MPP6_SYSRST_OUTn,
		MPP7_GPO,
		MPP8_TW_SDA,
		MPP9_TW_SCK,
		MPP10_UART0_TXD,
		MPP11_UART0_RXD,
		MPP12_SD_CLK,
		MPP13_SD_CMD, /* Alt UART1_TXD */
		MPP14_SD_D0,  /* Alt UART1_RXD */
		MPP15_SD_D1,
		MPP16_SD_D2,
		MPP17_SD_D3,
		MPP18_NF_IO0,
		MPP19_NF_IO1,
		MPP20_GE1_0,
		MPP21_GE1_1,
		MPP22_GE1_2,
		MPP23_GE1_3,
		MPP24_GE1_4,
		MPP25_GE1_5,
		MPP26_GE1_6,
		MPP27_GE1_7,
		MPP28_GPIO,
		MPP29_TSMP9,
		MPP30_GE1_10,
		MPP31_GE1_11,
		MPP32_GE1_12,
		MPP33_GE1_13,
		MPP34_GPIO,   /* UART1 / SD sel */
		MPP35_TDM_CH0_TX_QL,
		MPP36_TDM_SPI_CS1,
		MPP37_TDM_CH2_TX_QL,
		MPP38_TDM_CH2_RX_QL,
		MPP39_AUDIO_I2SBCLK,
		MPP40_AUDIO_I2SDO,
		MPP41_AUDIO_I2SLRC,
		MPP42_AUDIO_I2SMCLK,
		MPP43_AUDIO_I2SDI,
		MPP44_AUDIO_EXTCLK,
		MPP45_TDM_PCLK,
		MPP46_TDM_FS,
		MPP47_TDM_DRX,
		MPP48_TDM_DTX,
		MPP49_TDM_CH0_RX_QL,
		0
	};

	kirkwood_mpp_conf(kwmpp_config);
	return 0;
}

int board_init(void)
{
	/*
	 * arch number of board
	 */
#if defined(CONFIG_BOARD_IS_OPENRD_BASE)
	gd->bd->bi_arch_number = MACH_TYPE_OPENRD_BASE;
#elif defined(CONFIG_BOARD_IS_OPENRD_CLIENT)
	gd->bd->bi_arch_number = MACH_TYPE_OPENRD_CLIENT;
#elif defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
	gd->bd->bi_arch_number = MACH_TYPE_OPENRD_ULTIMATE;
#endif

	/* adress of boot parameters */
	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
	return 0;
}

#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1116/88E1121 PHY */
void mv_phy_init(char *name)
{
	u16 reg;
	u16 devadr;

	if (miiphy_set_current_dev(name))
		return;

	/* command to read PHY dev address */
	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
		printf("Err..%s could not read PHY dev address\n",
			__FUNCTION__);
		return;
	}

	/*
	 * Enable RGMII delay on Tx and Rx for CPU port
	 * Ref: sec 4.7.2 of chip datasheet
	 */
	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);

	/* reset the phy */
	miiphy_reset(name, devadr);

	printf(PHY_NO" Initialized on %s\n", name);
}

void reset_phy(void)
{
	mv_phy_init("egiga0");

#ifdef CONFIG_BOARD_IS_OPENRD_CLIENT
	/* Kirkwood ethernet driver is written with the assumption that in case
	 * of multiple PHYs, their addresses are consecutive. But unfortunately
	 * in case of OpenRD-Client, PHY addresses are not consecutive.*/
	miiphy_write("egiga1", 0xEE, 0xEE, 24);
#endif

#if defined(CONFIG_BOARD_IS_OPENRD_CLIENT) || \
	defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
	/* configure and initialize both PHY's */
	mv_phy_init("egiga1");
#endif
}
#endif /* CONFIG_RESET_PHY_R */