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

1/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 * MA 02110-1301 USA
23 */
24
25#include <common.h>
26#include <miiphy.h>
27#include <asm/arch/kirkwood.h>
28#include <asm/arch/mpp.h>
29#include "iconnect.h"
30
31DECLARE_GLOBAL_DATA_PTR;
32
33int board_init(void)
34{
35    /*
36     * default gpio configuration
37     * There are maximum 64 gpios controlled through 2 sets of registers
38     * the below configuration configures mainly initial LED status
39     */
40    kw_config_gpio(ICONNECT_OE_VAL_LOW,
41            ICONNECT_OE_VAL_HIGH,
42            ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
43
44    /* Multi-Purpose Pins Functionality configuration */
45    u32 kwmpp_config[] = {
46        MPP0_NF_IO2,
47        MPP1_NF_IO3,
48        MPP2_NF_IO4,
49        MPP3_NF_IO5,
50        MPP4_NF_IO6,
51        MPP5_NF_IO7,
52        MPP6_SYSRST_OUTn,
53        MPP7_GPO,
54        MPP8_TW_SDA,
55        MPP9_TW_SCK,
56        MPP10_UART0_TXD,
57        MPP11_UART0_RXD,
58        MPP12_GPO,
59        MPP13_SD_CMD,
60        MPP14_SD_D0,
61        MPP15_SD_D1,
62        MPP16_SD_D2,
63        MPP17_SD_D3,
64        MPP18_NF_IO0,
65        MPP19_NF_IO1,
66        MPP20_GE1_0,
67        MPP21_GE1_1,
68        MPP22_GE1_2,
69        MPP23_GE1_3,
70        MPP24_GE1_4,
71        MPP25_GE1_5,
72        MPP26_GE1_6,
73        MPP27_GE1_7,
74        MPP28_GPIO,
75        MPP29_GPIO,
76        MPP30_GE1_10,
77        MPP31_GE1_11,
78        MPP32_GE1_12,
79        MPP33_GE1_13,
80        MPP34_GE1_14,
81        MPP35_GPIO,
82        MPP36_AUDIO_SPDIFI,
83        MPP37_AUDIO_SPDIFO,
84        MPP38_GPIO,
85        MPP39_TDM_SPI_CS0,
86        MPP40_TDM_SPI_SCK,
87        MPP41_GPIO,
88        MPP42_GPIO,
89        MPP43_GPIO,
90        MPP44_GPIO,
91        MPP45_GPIO,
92        MPP46_GPIO,
93        MPP47_GPIO,
94        MPP48_GPIO,
95        MPP49_GPIO,
96        0
97};
98    kirkwood_mpp_conf(kwmpp_config);
99
100    /*
101     * arch number of board
102     */
103    gd->bd->bi_arch_number = MACH_TYPE_ICONNECT;
104
105    /* adress of boot parameters */
106    gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
107
108    return 0;
109}
110
111int dram_init(void)
112{
113    int i;
114
115    for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
116        gd->bd->bi_dram[i].start = kw_sdram_bar(i);
117        gd->bd->bi_dram[i].size = kw_sdram_bs(i);
118    }
119    return 0;
120}
121
122#ifdef CONFIG_RESET_PHY_R
123/* Configure and enable MV88E1116 PHY */
124void reset_phy(void)
125{
126    u16 reg;
127    u16 devadr;
128    char *name = "egiga0";
129
130    if (miiphy_set_current_dev(name))
131        return;
132
133    /* command to read PHY dev address */
134    if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
135        printf("Err..%s could not read PHY dev address\n",
136            __FUNCTION__);
137        return;
138    }
139
140    /*
141     * Enable RGMII delay on Tx and Rx for CPU port
142     * Ref: sec 4.7.2 of chip datasheet
143     */
144    miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
145    miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
146    reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
147    miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
148    miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
149
150    /* reset the phy */
151    miiphy_reset(name, devadr);
152
153    printf("88E1116 Initialized on %s\n", name);
154}
155#endif /* CONFIG_RESET_PHY_R */
156

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