ARM: MX3: add NOR flash support for lilly-1131
[linux-2.6] / arch / arm / mach-mx3 / mx31lilly.c
1 /*
2  *  LILLY-1131 module support
3  *
4  *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
5  *
6  *  based on code for other MX31 boards,
7  *
8  *    Copyright 2005-2007 Freescale Semiconductor
9  *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10  *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
25  */
26
27 #include <linux/types.h>
28 #include <linux/init.h>
29 #include <linux/clk.h>
30 #include <linux/platform_device.h>
31 #include <linux/interrupt.h>
32 #include <linux/smsc911x.h>
33 #include <linux/mtd/physmap.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/time.h>
38 #include <asm/mach/map.h>
39
40 #include <mach/hardware.h>
41 #include <mach/common.h>
42 #include <mach/iomux-mx3.h>
43 #include <mach/board-mx31lilly.h>
44
45 #include "devices.h"
46
47 /*
48  * This file contains module-specific initialization routines for LILLY-1131.
49  * Initialization of peripherals found on the baseboard is implemented in the
50  * appropriate baseboard support code.
51  */
52
53 /* SMSC ethernet support */
54
55 static struct resource smsc91x_resources[] = {
56         {
57                 .start  = CS4_BASE_ADDR,
58                 .end    = CS4_BASE_ADDR + 0xffff,
59                 .flags  = IORESOURCE_MEM,
60         },
61         {
62                 .start  = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
63                 .end    = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
64                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
65         }
66 };
67
68 static struct smsc911x_platform_config smsc911x_config = {
69         .phy_interface  = PHY_INTERFACE_MODE_MII,
70         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
71         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
72         .flags          = SMSC911X_USE_32BIT |
73                           SMSC911X_SAVE_MAC_ADDRESS |
74                           SMSC911X_FORCE_INTERNAL_PHY,
75 };
76
77 static struct platform_device smsc91x_device = {
78         .name           = "smsc911x",
79         .id             = -1,
80         .num_resources  = ARRAY_SIZE(smsc91x_resources),
81         .resource       = smsc91x_resources,
82         .dev            = {
83                 .platform_data = &smsc911x_config,
84         }
85 };
86
87 /* NOR flash */
88 static struct physmap_flash_data nor_flash_data = {
89         .width  = 2,
90 };
91
92 static struct resource nor_flash_resource = {
93         .start  = 0xa0000000,
94         .end    = 0xa1ffffff,
95         .flags  = IORESOURCE_MEM,
96 };
97
98 static struct platform_device physmap_flash_device = {
99         .name   = "physmap-flash",
100         .id     = 0,
101         .dev    = {
102                 .platform_data  = &nor_flash_data,
103         },
104         .resource = &nor_flash_resource,
105         .num_resources = 1,
106 };
107
108 static struct platform_device *devices[] __initdata = {
109         &smsc91x_device,
110         &physmap_flash_device,
111 };
112
113 static int mx31lilly_baseboard;
114 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
115
116 static void __init mx31lilly_board_init(void)
117 {
118         switch (mx31lilly_baseboard) {
119         case MX31LILLY_NOBOARD:
120                 break;
121         case MX31LILLY_DB:
122                 mx31lilly_db_init();
123                 break;
124         default:
125                 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
126                         mx31lilly_baseboard);
127         }
128
129         mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
130
131         platform_add_devices(devices, ARRAY_SIZE(devices));
132 }
133
134 static void __init mx31lilly_timer_init(void)
135 {
136         mx31_clocks_init(26000000);
137 }
138
139 static struct sys_timer mx31lilly_timer = {
140         .init   = mx31lilly_timer_init,
141 };
142
143 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
144         .phys_io        = AIPS1_BASE_ADDR,
145         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
146         .boot_params    = PHYS_OFFSET + 0x100,
147         .map_io         = mx31_map_io,
148         .init_irq       = mxc_init_irq,
149         .init_machine   = mx31lilly_board_init,
150         .timer          = &mx31lilly_timer,
151 MACHINE_END
152