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1 /*
2  * (C) Copyright 2011
3  * Jason Cooper <u-boot@lakedaemon.net>
4  *
5  * Based on work by:
6  * Marvell Semiconductor <www.marvell.com>
7  * Written-by: Siddarth Gore <gores@marvell.com>
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
25  * MA 02110-1301 USA
26  */
27
28 #include <common.h>
29 #include <miiphy.h>
30 #include <asm/arch/cpu.h>
31 #include <asm/arch/kirkwood.h>
32 #include <asm/arch/mpp.h>
33 #include "dreamplug.h"
34
35 DECLARE_GLOBAL_DATA_PTR;
36
37 int board_early_init_f(void)
38 {
39         /*
40          * default gpio configuration
41          * There are maximum 64 gpios controlled through 2 sets of registers
42          * the  below configuration configures mainly initial LED status
43          */
44         kw_config_gpio(DREAMPLUG_OE_VAL_LOW,
45                         DREAMPLUG_OE_VAL_HIGH,
46                         DREAMPLUG_OE_LOW, DREAMPLUG_OE_HIGH);
47
48         /* Multi-Purpose Pins Functionality configuration */
49         static const u32 kwmpp_config[] = {
50                 MPP0_SPI_SCn,           /* SPI Flash */
51                 MPP1_SPI_MOSI,
52                 MPP2_SPI_SCK,
53                 MPP3_SPI_MISO,
54                 MPP4_NF_IO6,
55                 MPP5_NF_IO7,
56                 MPP6_SYSRST_OUTn,
57                 MPP7_GPO,
58                 MPP8_TW_SDA,
59                 MPP9_TW_SCK,
60                 MPP10_UART0_TXD,        /* Serial */
61                 MPP11_UART0_RXD,
62                 MPP12_SD_CLK,           /* SDIO Slot */
63                 MPP13_SD_CMD,
64                 MPP14_SD_D0,
65                 MPP15_SD_D1,
66                 MPP16_SD_D2,
67                 MPP17_SD_D3,
68                 MPP18_NF_IO0,
69                 MPP19_NF_IO1,
70                 MPP20_GE1_0,            /* Gigabit Ethernet */
71                 MPP21_GE1_1,
72                 MPP22_GE1_2,
73                 MPP23_GE1_3,
74                 MPP24_GE1_4,
75                 MPP25_GE1_5,
76                 MPP26_GE1_6,
77                 MPP27_GE1_7,
78                 MPP28_GE1_8,
79                 MPP29_GE1_9,
80                 MPP30_GE1_10,
81                 MPP31_GE1_11,
82                 MPP32_GE1_12,
83                 MPP33_GE1_13,
84                 MPP34_GE1_14,
85                 MPP35_GE1_15,
86                 MPP36_GPIO,             /* 7 external GPIO pins (36 - 45) */
87                 MPP37_GPIO,
88                 MPP38_GPIO,
89                 MPP39_GPIO,
90                 MPP40_TDM_SPI_SCK,
91                 MPP41_TDM_SPI_MISO,
92                 MPP42_TDM_SPI_MOSI,
93                 MPP43_GPIO,
94                 MPP44_GPIO,
95                 MPP45_GPIO,
96                 MPP46_GPIO,
97                 MPP47_GPIO,             /* Bluetooth LED */
98                 MPP48_GPIO,             /* Wifi LED */
99                 MPP49_GPIO,             /* Wifi AP LED */
100                 0
101         };
102         kirkwood_mpp_conf(kwmpp_config, NULL);
103         return 0;
104 }
105
106 int board_init(void)
107 {
108         /* adress of boot parameters */
109         gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
110
111         return 0;
112 }
113
114 #ifdef CONFIG_RESET_PHY_R
115 void mv_phy_88e1116_init(char *name)
116 {
117         u16 reg;
118         u16 devadr;
119
120         if (miiphy_set_current_dev(name))
121                 return;
122
123         /* command to read PHY dev address */
124         if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
125                 printf("Err..%s could not read PHY dev address\n",
126                         __func__);
127                 return;
128         }
129
130         /*
131          * Enable RGMII delay on Tx and Rx for CPU port
132          * Ref: sec 4.7.2 of chip datasheet
133          */
134         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
135         miiphy_read(name, devadr, MV88E1116_MAC_CTRL2_REG, &reg);
136         reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
137         miiphy_write(name, devadr, MV88E1116_MAC_CTRL2_REG, reg);
138         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
139
140         /* reset the phy */
141         miiphy_reset(name, devadr);
142
143         printf("88E1116 Initialized on %s\n", name);
144 }
145
146 void reset_phy(void)
147 {
148         /* configure and initialize both PHY's */
149         mv_phy_88e1116_init("egiga0");
150         mv_phy_88e1116_init("egiga1");
151 }
152 #endif /* CONFIG_RESET_PHY_R */