aboutsummaryrefslogtreecommitdiff
path: root/board/Marvell/gplugd/gplugd.c
blob: a697c19de53b90da8577a3e5c0291db8ddf9d079 (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
/*
 * (C) Copyright 2011
 * eInfochips Ltd. <www.einfochips.com>
 * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
 *
 * Based on Aspenite:
 * (C) Copyright 2010
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 * Contributor: Mahavir Jain <mjain@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 <mvmfp.h>
#include <asm/arch/cpu.h>
#include <asm/arch/mfp.h>
#include <asm/arch/armada100.h>
#include <asm/gpio.h>
#include <miiphy.h>

#ifdef CONFIG_ARMADA100_FEC
#include <net.h>
#include <netdev.h>
#endif /* CONFIG_ARMADA100_FEC */

DECLARE_GLOBAL_DATA_PTR;

int board_early_init_f(void)
{
	u32 mfp_cfg[] = {
		/* I2C */
		MFP105_CI2C_SDA,
		MFP106_CI2C_SCL,

		/* Enable Console on UART3 */
		MFPO8_UART3_TXD,
		MFPO9_UART3_RXD,

		/* Ethernet PHY Interface */
		MFP086_ETH_TXCLK,
		MFP087_ETH_TXEN,
		MFP088_ETH_TXDQ3,
		MFP089_ETH_TXDQ2,
		MFP090_ETH_TXDQ1,
		MFP091_ETH_TXDQ0,
		MFP092_ETH_CRS,
		MFP093_ETH_COL,
		MFP094_ETH_RXCLK,
		MFP095_ETH_RXER,
		MFP096_ETH_RXDQ3,
		MFP097_ETH_RXDQ2,
		MFP098_ETH_RXDQ1,
		MFP099_ETH_RXDQ0,
		MFP100_ETH_MDC,
		MFP101_ETH_MDIO,
		MFP103_ETH_RXDV,

		/* SSP2 */
		MFP107_SSP2_RXD,
		MFP108_SSP2_TXD,
		MFP110_SSP2_CS,
		MFP111_SSP2_CLK,

		MFP_EOC		/*End of configuration*/
	};
	/* configure MFP's */
	mfp_config(mfp_cfg);
	return 0;
}

int board_init(void)
{
	struct armd1apb2_registers *apb2_regs =
		(struct armd1apb2_registers *)ARMD1_APBC2_BASE;

	/* arch number of Board */
	gd->bd->bi_arch_number = MACH_TYPE_SHEEVAD;
	/* adress of boot parameters */
	gd->bd->bi_boot_params = armd1_sdram_base(0) + 0x100;
	/* Assert PHY_RST# */
	gpio_direction_output(CONFIG_SYS_GPIO_PHY_RST, GPIO_LOW);
	udelay(10);
	/* Deassert PHY_RST# */
	gpio_set_value(CONFIG_SYS_GPIO_PHY_RST, GPIO_HIGH);

	/* Enable SSP2 clock */
	writel(SSP2_APBCLK | SSP2_FNCLK, &apb2_regs->ssp2_clkrst);
	return 0;
}

#ifdef CONFIG_ARMADA100_FEC
int board_eth_init(bd_t *bis)
{
	struct armd1apmu_registers *apmu_regs =
		(struct armd1apmu_registers *)ARMD1_APMU_BASE;

	/* Enable clock of ethernet controller */
	writel(FE_CLK_RST | FE_CLK_ENA, &apmu_regs->fecrc);

	return armada100_fec_register(ARMD1_FEC_BASE);
}

#ifdef CONFIG_RESET_PHY_R
/* Configure and initialize PHY chip 88E3015 */
void reset_phy(void)
{
	u16 phy_adr;
	const char *name = "armd-fec0";

	if (miiphy_set_current_dev(name))
		return;

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

	/* Set Ethernet LED in TX blink mode */
	miiphy_write(name, phy_adr, PHY_LED_MAN_REG, 0x00);
	miiphy_write(name, phy_adr, PHY_LED_PAR_SEL_REG, PHY_LED_VAL);

	/* reset the phy */
	miiphy_reset(name, phy_adr);
	debug("88E3015 Initialized on %s\n", name);
}
#endif /* CONFIG_RESET_PHY_R */
#endif /* CONFIG_ARMADA100_FEC */