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Luca Ceresolifb6e1f12011-04-20 11:02:08 -04001/*
2 * (C) Copyright 2011 Comelit Group SpA
3 * Luca Ceresoli <luca.ceresoli@comelit.it>
4 *
5 * Based on board/ti/beagle/beagle.c:
6 * (C) Copyright 2004-2008
7 * Texas Instruments, <www.ti.com>
8 *
9 * Author :
10 * Sunil Kumar <sunilsaini05@gmail.com>
11 * Shashi Ranjan <shashiranjanmca05@gmail.com>
12 *
13 * Derived from Beagle Board and 3430 SDP code by
14 * Richard Woodruff <r-woodruff2@ti.com>
15 * Syed Mohammed Khasim <khasim@ti.com>
16 *
17 *
18 * See file CREDITS for list of people who contributed to this
19 * project.
20 *
21 * This program is free software; you can redistribute it and/or
22 * modify it under the terms of the GNU General Public License as
23 * published by the Free Software Foundation; either version 2 of
24 * the License, or (at your option) any later version.
25 *
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
30 *
31 * You should have received a copy of the GNU General Public License
32 * along with this program; if not, write to the Free Software
33 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 * MA 02111-1307 USA
35 */
36#include <common.h>
37#include <netdev.h>
38#include <twl4030.h>
39#include <asm/io.h>
Tom Rinieaff60d2011-09-03 21:50:05 -040040#include <asm/arch/mmc_host_def.h>
Luca Ceresolifb6e1f12011-04-20 11:02:08 -040041#include <asm/arch/omap3-regs.h>
42#include <asm/arch/mux.h>
43#include <asm/arch/mem.h>
44#include <asm/arch/sys_proto.h>
Sanjeev Premi84c3b632011-09-08 10:51:01 -040045#include <asm/gpio.h>
Luca Ceresolifb6e1f12011-04-20 11:02:08 -040046#include <asm/mach-types.h>
47#include "dig297.h"
48
49DECLARE_GLOBAL_DATA_PTR;
50
51#ifdef CONFIG_CMD_NET
52static void setup_net_chip(void);
53
54#define NET_LAN9221_RESET_GPIO 12
55
56/* GPMC CS 5 connected to an SMSC LAN9220 ethernet controller */
57#define NET_LAN9220_GPMC_CONFIG1 (DEVICESIZE_16BIT)
58#define NET_LAN9220_GPMC_CONFIG2 (CSWROFFTIME(8) | \
59 CSRDOFFTIME(7) | \
60 ADVONTIME(1))
61#define NET_LAN9220_GPMC_CONFIG3 (ADVWROFFTIME(2) | \
62 ADVRDOFFTIME(2) | \
63 ADVONTIME(1))
64#define NET_LAN9220_GPMC_CONFIG4 (WEOFFTIME(8) | \
65 WEONTIME(1) | \
66 OEOFFTIME(7)| \
67 OEONTIME(1))
68#define NET_LAN9220_GPMC_CONFIG5 (PAGEBURSTACCESSTIME(0) | \
69 RDACCESSTIME(6) | \
70 WRCYCLETIME(0x1D) | \
71 RDCYCLETIME(0x1D))
72#define NET_LAN9220_GPMC_CONFIG6 ((1 << 31) | \
73 WRACCESSTIME(0x1D) | \
74 WRDATAONADMUXBUS(3))
75
76static const u32 gpmc_lan_config[] = {
77 NET_LAN9220_GPMC_CONFIG1,
78 NET_LAN9220_GPMC_CONFIG2,
79 NET_LAN9220_GPMC_CONFIG3,
80 NET_LAN9220_GPMC_CONFIG4,
81 NET_LAN9220_GPMC_CONFIG5,
82 NET_LAN9220_GPMC_CONFIG6,
83 /* CONFIG7: computed by enable_gpmc_cs_config() */
84};
85#endif /* CONFIG_CMD_NET */
86
87/*
88 * Routine: board_init
89 * Description: Early hardware init.
90 */
91int board_init(void)
92{
93 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
94 /* board id for Linux */
95 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_CPS;
96 /* boot param addr */
97 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
98
99 return 0;
100}
101
102/*
103 * Routine: misc_init_r
104 * Description: Configure board specific parts
105 */
106int misc_init_r(void)
107{
108 struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
109 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
110
111 twl4030_power_init();
112 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
113
114 /*
115 * GPIO list
116 * - 159 OUT (GPIO5+31): reset for remote camera interface connector.
117 * - 19 OUT (GPIO1+19): integrated speaker amplifier (1=on, 0=shdn).
118 * - 20 OUT (GPIO1+20): handset amplifier (1=on, 0=shdn).
119 */
120
121 /* Configure GPIOs to output */
122 writel(~(GPIO19 | GPIO20), &gpio1_base->oe);
123 writel(~(GPIO31), &gpio5_base->oe);
124
125 /* Set GPIO values */
126 writel((GPIO19 | GPIO20), &gpio1_base->setdataout);
127 writel(0, &gpio5_base->setdataout);
128
129#if defined(CONFIG_CMD_NET)
130 setup_net_chip();
131#endif
132
133 dieid_num_r();
134
135 return 0;
136}
137
138/*
139 * Routine: set_muxconf_regs
140 * Description: Setting up the configuration Mux registers specific to the
141 * hardware. Many pins need to be moved from protect to primary
142 * mode.
143 */
144void set_muxconf_regs(void)
145{
146 MUX_DIG297();
147}
148
Tom Rinieaff60d2011-09-03 21:50:05 -0400149#ifdef CONFIG_GENERIC_MMC
150int board_mmc_init(bd_t *bis)
151{
152 omap_mmc_init(0);
153 return 0;
154}
155#endif
156
Luca Ceresolifb6e1f12011-04-20 11:02:08 -0400157#ifdef CONFIG_CMD_NET
158/*
159 * Routine: setup_net_chip
160 * Description: Setting up the configuration GPMC registers specific to the
161 * Ethernet hardware.
162 */
163static void setup_net_chip(void)
164{
165 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
166
167 /* Configure GPMC registers */
168 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
169 CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
170
171 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
172 writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
173 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
174 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
175 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
176 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
177 &ctrl_base->gpmc_nadv_ale);
178
179 /* Make GPIO 12 as output pin and send a magic pulse through it */
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400180 if (!gpio_request(NET_LAN9221_RESET_GPIO, "")) {
181 gpio_direction_output(NET_LAN9221_RESET_GPIO, 0);
182 gpio_set_value(NET_LAN9221_RESET_GPIO, 1);
Luca Ceresolifb6e1f12011-04-20 11:02:08 -0400183 udelay(1);
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400184 gpio_set_value(NET_LAN9221_RESET_GPIO, 0);
Luca Ceresolifb6e1f12011-04-20 11:02:08 -0400185 udelay(31000); /* Should be >= 30ms according to datasheet */
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400186 gpio_set_value(NET_LAN9221_RESET_GPIO, 1);
Luca Ceresolifb6e1f12011-04-20 11:02:08 -0400187 }
188}
189#endif /* CONFIG_CMD_NET */
190
191int board_eth_init(bd_t *bis)
192{
193 int rc = 0;
194 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
195 return rc;
196}