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Eric Cooper38041db2010-11-24 17:11:32 +05301/*
2 * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
3 *
4 * Based on sheevaplug.c originally written by
5 * Prafulla Wadaskar <prafulla@marvell.com>
6 * (C) Copyright 2009
7 * Marvell Semiconductor <www.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/kirkwood.h>
31#include <asm/arch/mpp.h>
Anatolij Gustschin36aaa912011-10-29 10:09:22 +000032#include <asm/arch/cpu.h>
33#include <asm/io.h>
Eric Cooper38041db2010-11-24 17:11:32 +053034#include "dockstar.h"
35
36DECLARE_GLOBAL_DATA_PTR;
37
38int board_early_init_f(void)
39{
40 /*
41 * default gpio configuration
42 * There are maximum 64 gpios controlled through 2 sets of registers
43 * the below configuration configures mainly initial LED status
44 */
45 kw_config_gpio(DOCKSTAR_OE_VAL_LOW,
46 DOCKSTAR_OE_VAL_HIGH,
47 DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH);
48
49 /* Multi-Purpose Pins Functionality configuration */
50 u32 kwmpp_config[] = {
51 MPP0_NF_IO2,
52 MPP1_NF_IO3,
53 MPP2_NF_IO4,
54 MPP3_NF_IO5,
55 MPP4_NF_IO6,
56 MPP5_NF_IO7,
57 MPP6_SYSRST_OUTn,
58 MPP7_GPO,
59 MPP8_UART0_RTS,
60 MPP9_UART0_CTS,
61 MPP10_UART0_TXD,
62 MPP11_UART0_RXD,
63 MPP12_SD_CLK,
64 MPP13_SD_CMD,
65 MPP14_SD_D0,
66 MPP15_SD_D1,
67 MPP16_SD_D2,
68 MPP17_SD_D3,
69 MPP18_NF_IO0,
70 MPP19_NF_IO1,
71 MPP20_GPIO,
72 MPP21_GPIO,
73 MPP22_GPIO,
74 MPP23_GPIO,
75 MPP24_GPIO,
76 MPP25_GPIO,
77 MPP26_GPIO,
78 MPP27_GPIO,
79 MPP28_GPIO,
80 MPP29_TSMP9,
81 MPP30_GPIO,
82 MPP31_GPIO,
83 MPP32_GPIO,
84 MPP33_GPIO,
85 MPP34_GPIO,
86 MPP35_GPIO,
87 MPP36_GPIO,
88 MPP37_GPIO,
89 MPP38_GPIO,
90 MPP39_GPIO,
91 MPP40_GPIO,
92 MPP41_GPIO,
93 MPP42_GPIO,
94 MPP43_GPIO,
95 MPP44_GPIO,
96 MPP45_GPIO,
97 MPP46_GPIO,
98 MPP47_GPIO,
99 MPP48_GPIO,
100 MPP49_GPIO,
101 0
102 };
103 kirkwood_mpp_conf(kwmpp_config);
104 return 0;
105}
106
107int board_init(void)
108{
109 /*
110 * arch number of board
111 */
112 gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR;
113
114 /* address of boot parameters */
115 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
116
117 return 0;
118}
119
120#ifdef CONFIG_RESET_PHY_R
121/* Configure and enable MV88E1116 PHY */
122void reset_phy(void)
123{
124 u16 reg;
125 u16 devadr;
126 char *name = "egiga0";
127
128 if (miiphy_set_current_dev(name))
129 return;
130
131 /* command to read PHY dev address */
132 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
133 printf("Err..%s could not read PHY dev address\n",
134 __FUNCTION__);
135 return;
136 }
137
138 /*
139 * Enable RGMII delay on Tx and Rx for CPU port
140 * Ref: sec 4.7.2 of chip datasheet
141 */
142 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
143 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
144 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
145 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
146 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
147
148 /* reset the phy */
149 miiphy_reset(name, devadr);
150
151 printf("88E1116 Initialized on %s\n", name);
152}
153#endif /* CONFIG_RESET_PHY_R */
154
155#define GREEN_LED (1 << 14)
156#define ORANGE_LED (1 << 15)
157#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
158#define NEITHER_LED 0
159
160static void set_leds(u32 leds, u32 blinking)
161{
162 struct kwgpio_registers *r = (struct kwgpio_registers *)KW_GPIO1_BASE;
163 u32 oe = readl(&r->oe) | BOTH_LEDS;
164 writel(oe & ~leds, &r->oe); /* active low */
165 u32 bl = readl(&r->blink_en) & ~BOTH_LEDS;
166 writel(bl | blinking, &r->blink_en);
167}
168
169void show_boot_progress(int val)
170{
171 switch (val) {
172 case 15: /* booting Linux */
173 set_leds(BOTH_LEDS, NEITHER_LED);
174 break;
175 case 64: /* Ethernet initialization */
176 set_leds(GREEN_LED, GREEN_LED);
177 break;
178 default:
179 if (val < 0) /* error */
180 set_leds(ORANGE_LED, ORANGE_LED);
181 break;
182 }
183}