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Prafulla Wadaskar55dd4ba2009-07-16 20:58:00 +05301/*
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 "sheevaplug.h"
30
31DECLARE_GLOBAL_DATA_PTR;
32
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +053033int board_early_init_f(void)
Prafulla Wadaskar55dd4ba2009-07-16 20:58:00 +053034{
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(SHEEVAPLUG_OE_VAL_LOW,
41 SHEEVAPLUG_OE_VAL_HIGH,
42 SHEEVAPLUG_OE_LOW, SHEEVAPLUG_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_UART0_RTS,
55 MPP9_UART0_CTS,
56 MPP10_UART0_TXD,
57 MPP11_UART0_RXD,
58 MPP12_SD_CLK,
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_GPIO,
67 MPP21_GPIO,
68 MPP22_GPIO,
69 MPP23_GPIO,
70 MPP24_GPIO,
71 MPP25_GPIO,
72 MPP26_GPIO,
73 MPP27_GPIO,
74 MPP28_GPIO,
75 MPP29_TSMP9,
76 MPP30_GPIO,
77 MPP31_GPIO,
78 MPP32_GPIO,
79 MPP33_GPIO,
80 MPP34_GPIO,
81 MPP35_GPIO,
82 MPP36_GPIO,
83 MPP37_GPIO,
84 MPP38_GPIO,
85 MPP39_GPIO,
86 MPP40_GPIO,
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);
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +053099 return 0;
100}
Prafulla Wadaskar55dd4ba2009-07-16 20:58:00 +0530101
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +0530102int board_init(void)
103{
Prafulla Wadaskar55dd4ba2009-07-16 20:58:00 +0530104 /*
105 * arch number of board
106 */
107 gd->bd->bi_arch_number = MACH_TYPE_SHEEVAPLUG;
108
109 /* adress of boot parameters */
110 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
111
112 return 0;
113}
114
Prafulla Wadaskar55dd4ba2009-07-16 20:58:00 +0530115#ifdef CONFIG_RESET_PHY_R
116/* Configure and enable MV88E1116 PHY */
117void reset_phy(void)
118{
119 u16 reg;
120 u16 devadr;
121 char *name = "egiga0";
122
123 if (miiphy_set_current_dev(name))
124 return;
125
126 /* command to read PHY dev address */
127 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
128 printf("Err..%s could not read PHY dev address\n",
129 __FUNCTION__);
130 return;
131 }
132
133 /*
134 * Enable RGMII delay on Tx and Rx for CPU port
135 * Ref: sec 4.7.2 of chip datasheet
136 */
137 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
138 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
139 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
140 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
141 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
142
143 /* reset the phy */
144 miiphy_reset(name, devadr);
145
146 printf("88E1116 Initialized on %s\n", name);
147}
148#endif /* CONFIG_RESET_PHY_R */