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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 79788bb19ac0c68cef77bd92d3365bdf2989339d / . / board / Seagate / dockstar / dockstar.c
blob: cab3a83947466a508b63faef75ed2036b90e7791 [file] [log] [blame]
Eric Cooper38041db2010-11-24 17:11:32 +0530[diff] [blame]1/*
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>
32#include "dockstar.h"
33
34DECLARE_GLOBAL_DATA_PTR;
35
36int board_early_init_f(void)
37{
38 /*
39 * default gpio configuration
40 * There are maximum 64 gpios controlled through 2 sets of registers
41 * the below configuration configures mainly initial LED status
42 */
43 kw_config_gpio(DOCKSTAR_OE_VAL_LOW,
44 DOCKSTAR_OE_VAL_HIGH,
45 DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH);
46
47 /* Multi-Purpose Pins Functionality configuration */
48 u32 kwmpp_config[] = {
49 MPP0_NF_IO2,
50 MPP1_NF_IO3,
51 MPP2_NF_IO4,
52 MPP3_NF_IO5,
53 MPP4_NF_IO6,
54 MPP5_NF_IO7,
55 MPP6_SYSRST_OUTn,
56 MPP7_GPO,
57 MPP8_UART0_RTS,
58 MPP9_UART0_CTS,
59 MPP10_UART0_TXD,
60 MPP11_UART0_RXD,
61 MPP12_SD_CLK,
62 MPP13_SD_CMD,
63 MPP14_SD_D0,
64 MPP15_SD_D1,
65 MPP16_SD_D2,
66 MPP17_SD_D3,
67 MPP18_NF_IO0,
68 MPP19_NF_IO1,
69 MPP20_GPIO,
70 MPP21_GPIO,
71 MPP22_GPIO,
72 MPP23_GPIO,
73 MPP24_GPIO,
74 MPP25_GPIO,
75 MPP26_GPIO,
76 MPP27_GPIO,
77 MPP28_GPIO,
78 MPP29_TSMP9,
79 MPP30_GPIO,
80 MPP31_GPIO,
81 MPP32_GPIO,
82 MPP33_GPIO,
83 MPP34_GPIO,
84 MPP35_GPIO,
85 MPP36_GPIO,
86 MPP37_GPIO,
87 MPP38_GPIO,
88 MPP39_GPIO,
89 MPP40_GPIO,
90 MPP41_GPIO,
91 MPP42_GPIO,
92 MPP43_GPIO,
93 MPP44_GPIO,
94 MPP45_GPIO,
95 MPP46_GPIO,
96 MPP47_GPIO,
97 MPP48_GPIO,
98 MPP49_GPIO,
99 0
100 };
101 kirkwood_mpp_conf(kwmpp_config);
102 return 0;
103}
104
105int board_init(void)
106{
107 /*
108 * arch number of board
109 */
110 gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR;
111
112 /* address of boot parameters */
113 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
114
115 return 0;
116}
117
118#ifdef CONFIG_RESET_PHY_R
119/* Configure and enable MV88E1116 PHY */
120void reset_phy(void)
121{
122 u16 reg;
123 u16 devadr;
124 char *name = "egiga0";
125
126 if (miiphy_set_current_dev(name))
127 return;
128
129 /* command to read PHY dev address */
130 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
131 printf("Err..%s could not read PHY dev address\n",
132 __FUNCTION__);
133 return;
134 }
135
136 /*
137 * Enable RGMII delay on Tx and Rx for CPU port
138 * Ref: sec 4.7.2 of chip datasheet
139 */
140 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
141 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
142 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
143 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
144 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
145
146 /* reset the phy */
147 miiphy_reset(name, devadr);
148
149 printf("88E1116 Initialized on %s\n", name);
150}
151#endif /* CONFIG_RESET_PHY_R */
152
153#define GREEN_LED (1 << 14)
154#define ORANGE_LED (1 << 15)
155#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
156#define NEITHER_LED 0
157
158static void set_leds(u32 leds, u32 blinking)
159{
160 struct kwgpio_registers *r = (struct kwgpio_registers *)KW_GPIO1_BASE;
161 u32 oe = readl(&r->oe) | BOTH_LEDS;
162 writel(oe & ~leds, &r->oe); /* active low */
163 u32 bl = readl(&r->blink_en) & ~BOTH_LEDS;
164 writel(bl | blinking, &r->blink_en);
165}
166
167void show_boot_progress(int val)
168{
169 switch (val) {
170 case 15: /* booting Linux */
171 set_leds(BOTH_LEDS, NEITHER_LED);
172 break;
173 case 64: /* Ethernet initialization */
174 set_leds(GREEN_LED, GREEN_LED);
175 break;
176 default:
177 if (val < 0) /* error */
178 set_leds(ORANGE_LED, ORANGE_LED);
179 break;
180 }
181}