1 /*
2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include <linux/types.h>
22 #include <linux/init.h>
23 #include <linux/kernel.h>
24 #include <linux/memory.h>
25 #include <linux/platform_device.h>
26 #include <linux/gpio.h>
27 #include <linux/smsc911x.h>
28
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/time.h>
33 #include <asm/mach/map.h>
34 #include <mach/common.h>
35 #include <asm/page.h>
36 #include <asm/setup.h>
37 #include <mach/board-mx31lite.h>
38 #include <mach/imx-uart.h>
39 #include <mach/iomux-mx3.h>
40 #include <mach/irqs.h>
41 #include <mach/mxc_nand.h>
42 #include "devices.h"
43
44 /*
45 * This file contains the board-specific initialization routines.
46 */
47
48 static unsigned int mx31lite_pins[] = {
49 /* UART1 */
50 MX31_PIN_CTS1__CTS1,
51 MX31_PIN_RTS1__RTS1,
52 MX31_PIN_TXD1__TXD1,
53 MX31_PIN_RXD1__RXD1,
54 /* LAN9117 IRQ pin */
55 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
56 };
57
58 static struct imxuart_platform_data uart_pdata = {
59 .flags = IMXUART_HAVE_RTSCTS,
60 };
61
62 static struct mxc_nand_platform_data mx31lite_nand_board_info = {
63 .width = 1,
64 .hw_ecc = 1,
65 };
66
67 static struct smsc911x_platform_config smsc911x_config = {
68 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
69 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
70 .flags = SMSC911X_USE_16BIT,
71 };
72
73 static struct resource smsc911x_resources[] = {
74 [0] = {
75 .start = CS4_BASE_ADDR,
76 .end = CS4_BASE_ADDR + 0x100,
77 .flags = IORESOURCE_MEM,
78 },
79 [1] = {
80 .start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
81 .end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
82 .flags = IORESOURCE_IRQ,
83 },
84 };
85
86 static struct platform_device smsc911x_device = {
87 .name = "smsc911x",
88 .id = -1,
89 .num_resources = ARRAY_SIZE(smsc911x_resources),
90 .resource = smsc911x_resources,
91 .dev = {
92 .platform_data = &smsc911x_config,
93 },
94 };
95
96 /*
97 * This structure defines the MX31 memory map.
98 */
99 static struct map_desc mx31lite_io_desc[] __initdata = {
100 {
101 .virtual = SPBA0_BASE_ADDR_VIRT,
102 .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
103 .length = SPBA0_SIZE,
104 .type = MT_DEVICE_NONSHARED
105 }, {
106 .virtual = CS4_BASE_ADDR_VIRT,
107 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
108 .length = CS4_SIZE,
109 .type = MT_DEVICE
110 }
111 };
112
113 /*
114 * Set up static virtual mappings.
115 */
116 void __init mx31lite_map_io(void)
117 {
118 mx31_map_io();
119 iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
120 }
121
122 /*
123 * Board specific initialization.
124 */
125 static void __init mxc_board_init(void)
126 {
127 int ret;
128
129 mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
130 "mx31lite");
131
132 mxc_register_device(&mxc_uart_device0, &uart_pdata);
133 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
134
135 /* SMSC9117 IRQ pin */
136 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
137 if (ret)
138 pr_warning("could not get LAN irq gpio\n");
139 else {
140 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
141 platform_device_register(&smsc911x_device);
142 }
143 }
144
145 static void __init mx31lite_timer_init(void)
146 {
147 mx31_clocks_init(26000000);
148 }
149
150 struct sys_timer mx31lite_timer = {
151 .init = mx31lite_timer_init,
152 };
153
154 /*
155 * The following uses standard kernel macros defined in arch.h in order to
156 * initialize __mach_desc_MX31LITE data structure.
157 */
158
159 MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
160 /* Maintainer: Freescale Semiconductor, Inc. */
161 .phys_io = AIPS1_BASE_ADDR,
162 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
163 .boot_params = PHYS_OFFSET + 0x100,
164 .map_io = mx31lite_map_io,
165 .init_irq = mxc_init_irq,
166 .init_machine = mxc_board_init,
167 .timer = &mx31lite_timer,
168 MACHINE_END
169
|
This page was automatically generated by the
LXR engine.
|