aboutsummaryrefslogtreecommitdiff
path: root/board/Marvell/rd6281a/rd6281a.c
blob: ecdea82d90915005a7e2badb21bb9251760bd37f (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
/*
 * (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 <netdev.h>
#include <asm/arch/kirkwood.h>
#include <asm/arch/mpp.h>
#include "rd6281a.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(RD6281A_OE_VAL_LOW,
			RD6281A_OE_VAL_HIGH,
			RD6281A_OE_LOW, RD6281A_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,
		MPP14_SD_D0,
		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_GPIO,
		MPP30_GE1_10,
		MPP31_GE1_11,
		MPP32_GE1_12,
		MPP33_GE1_13,
		MPP34_GE1_14,
		MPP35_GPIO,
		MPP36_AUDIO_SPDIFI,
		MPP37_AUDIO_SPDIFO,
		MPP38_GPIO,
		MPP39_TDM_SPI_CS0,
		MPP40_TDM_SPI_SCK,
		MPP41_TDM_SPI_MISO,
		MPP42_TDM_SPI_MOSI,
		MPP43_TDM_CODEC_INTn,
		MPP44_GPIO,
		MPP45_TDM_PCLK,
		MPP46_TDM_FS,
		MPP47_TDM_DRX,
		MPP48_TDM_DTX,
		MPP49_GPIO,
		0
	};
	kirkwood_mpp_conf(kwmpp_config);
	return 0;
}

int board_init(void)
{
	/*
	 * arch number of board
	 */
	gd->bd->bi_arch_number = MACH_TYPE_RD88F6281;

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

	return 0;
}

void mv_phy_88e1116_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 */
	if (miiphy_read (name, devadr, MII_BMCR, &reg) != 0) {
		printf("Err..(%s) PHY status read failed\n", __FUNCTION__);
		return;
	}
	if (miiphy_write (name, devadr, MII_BMCR, reg | 0x8000) != 0) {
		printf("Err..(%s) PHY reset failed\n", __FUNCTION__);
		return;
	}

	printf("88E1116 Initialized on %s\n", name);
}

/* Configure and enable Switch and PHY */
void reset_phy(void)
{
	/* configure and initialize switch */
	struct mv88e61xx_config swcfg = {
		.name = "egiga0",
		.vlancfg = MV88E61XX_VLANCFG_ROUTER,
		.rgmii_delay = MV88E61XX_RGMII_DELAY_EN,
		.led_init = MV88E61XX_LED_INIT_EN,
		.portstate = MV88E61XX_PORTSTT_FORWARDING,
		.cpuport = (1 << 5),
		.ports_enabled = 0x3f,
	};

	mv88e61xx_switch_initialize(&swcfg);

	/* configure and initialize PHY */
	mv_phy_88e1116_init("egiga1");
}