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.
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.
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.
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
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>
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>
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>
45 * This file contains the module-specific initialization routines.
48 static unsigned int mx31lite_pins[] = {
50 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
53 static struct mxc_nand_platform_data mx31lite_nand_board_info = {
58 static struct smsc911x_platform_config smsc911x_config = {
59 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
60 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
61 .flags = SMSC911X_USE_16BIT,
64 static struct resource smsc911x_resources[] = {
66 .start = CS4_BASE_ADDR,
67 .end = CS4_BASE_ADDR + 0x100,
68 .flags = IORESOURCE_MEM,
70 .start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
71 .end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
72 .flags = IORESOURCE_IRQ,
76 static struct platform_device smsc911x_device = {
79 .num_resources = ARRAY_SIZE(smsc911x_resources),
80 .resource = smsc911x_resources,
82 .platform_data = &smsc911x_config,
87 * This structure defines the MX31 memory map.
89 static struct map_desc mx31lite_io_desc[] __initdata = {
91 .virtual = SPBA0_BASE_ADDR_VIRT,
92 .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
94 .type = MT_DEVICE_NONSHARED
96 .virtual = CS4_BASE_ADDR_VIRT,
97 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
104 * Set up static virtual mappings.
106 void __init mx31lite_map_io(void)
109 iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
112 static int mx31lite_baseboard;
113 core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444);
115 static void __init mxc_board_init(void)
119 switch (mx31lite_baseboard) {
120 case MX31LITE_NOBOARD:
126 printk(KERN_ERR "Illegal mx31lite_baseboard type %d\n",
130 mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
133 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
135 /* SMSC9117 IRQ pin */
136 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
138 pr_warning("could not get LAN irq gpio\n");
140 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
141 platform_device_register(&smsc911x_device);
145 static void __init mx31lite_timer_init(void)
147 mx31_clocks_init(26000000);
150 struct sys_timer mx31lite_timer = {
151 .init = mx31lite_timer_init,
154 MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM")
155 /* Maintainer: Freescale Semiconductor, Inc. */
156 .phys_io = AIPS1_BASE_ADDR,
157 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
158 .boot_params = PHYS_OFFSET + 0x100,
159 .map_io = mx31lite_map_io,
160 .init_irq = mx31_init_irq,
161 .init_machine = mxc_board_init,
162 .timer = &mx31lite_timer,