Root/package/uboot-kirkwood/files/board/iomega/iconnect/iconnect.c

1/*
2 * Copyright (C) 2009-2012
3 * Wojciech Dubowik <wojciech.dubowik@neratec.com>
4 * Luka Perkov <uboot@lukaperkov.net>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 */
22
23#include <common.h>
24#include <miiphy.h>
25#include <asm/arch/cpu.h>
26#include <asm/arch/kirkwood.h>
27#include <asm/arch/mpp.h>
28#include "iconnect.h"
29
30DECLARE_GLOBAL_DATA_PTR;
31
32int board_early_init_f(void)
33{
34    /*
35     * default gpio configuration
36     * There are maximum 64 gpios controlled through 2 sets of registers
37     * the below configuration configures mainly initial LED status
38     */
39    kw_config_gpio(ICONNECT_OE_VAL_LOW,
40            ICONNECT_OE_VAL_HIGH,
41            ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
42
43    /* Multi-Purpose Pins Functionality configuration */
44    u32 kwmpp_config[] = {
45        MPP0_NF_IO2,
46        MPP1_NF_IO3,
47        MPP2_NF_IO4,
48        MPP3_NF_IO5,
49        MPP4_NF_IO6,
50        MPP5_NF_IO7,
51        MPP6_SYSRST_OUTn,
52        MPP7_GPO,
53        MPP8_TW_SDA,
54        MPP9_TW_SCK,
55        MPP10_UART0_TXD,
56        MPP11_UART0_RXD,
57        MPP12_GPO,
58        MPP13_SD_CMD,
59        MPP14_SD_D0,
60        MPP15_SD_D1,
61        MPP16_SD_D2,
62        MPP17_SD_D3,
63        MPP18_NF_IO0,
64        MPP19_NF_IO1,
65        MPP20_GE1_0,
66        MPP21_GE1_1,
67        MPP22_GE1_2,
68        MPP23_GE1_3,
69        MPP24_GE1_4,
70        MPP25_GE1_5,
71        MPP26_GE1_6,
72        MPP27_GE1_7,
73        MPP28_GPIO,
74        MPP29_GPIO,
75        MPP30_GE1_10,
76        MPP31_GE1_11,
77        MPP32_GE1_12,
78        MPP33_GE1_13,
79        MPP34_GE1_14,
80        MPP35_GPIO,
81        MPP36_AUDIO_SPDIFI,
82        MPP37_AUDIO_SPDIFO,
83        MPP38_GPIO,
84        MPP39_TDM_SPI_CS0,
85        MPP40_TDM_SPI_SCK,
86        MPP41_GPIO,
87        MPP42_GPIO,
88        MPP43_GPIO,
89        MPP44_GPIO,
90        MPP45_GPIO,
91        MPP46_GPIO,
92        MPP47_GPIO,
93        MPP48_GPIO,
94        MPP49_GPIO,
95        0
96    };
97    kirkwood_mpp_conf(kwmpp_config);
98    return 0;
99}
100
101int board_init(void)
102{
103    /* Boot parameters address */
104    gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
105
106    return 0;
107}
108
109#ifdef CONFIG_RESET_PHY_R
110/* Configure and initialize PHY */
111void reset_phy(void)
112{
113    u16 reg;
114    u16 devadr;
115    char *name = "egiga0";
116
117    if (miiphy_set_current_dev(name))
118        return;
119
120    /* command to read PHY dev address */
121    if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
122        printf("Err..(%s) could not read PHY dev address\n", __func__);
123        return;
124    }
125
126    /*
127     * Enable RGMII delay on Tx and Rx for CPU port
128     * Ref: sec 4.7.2 of chip datasheet
129     */
130    miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
131    miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
132    reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
133    miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
134    miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
135
136    /* reset the phy */
137    miiphy_reset(name, devadr);
138
139    debug("88E1116 Initialized on %s\n", name);
140}
141#endif /* CONFIG_RESET_PHY_R */
142

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