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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-omap/board-osk.c | |
3 | * | |
4 | * Board specific init for OMAP5912 OSK | |
5 | * | |
6 | * Written by Dirk Behme <dirk.behme@de.bosch.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
14 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
15 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | |
16 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
19 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
20 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License along | |
25 | * with this program; if not, write to the Free Software Foundation, Inc., | |
26 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
27 | */ | |
28 | ||
29 | #include <linux/kernel.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/device.h> | |
32 | ||
33 | #include <asm/hardware.h> | |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | ||
38 | #include <asm/arch/gpio.h> | |
39 | #include <asm/arch/usb.h> | |
40 | #include <asm/arch/mux.h> | |
41 | #include <asm/arch/tc.h> | |
42 | ||
43 | #include "common.h" | |
44 | ||
45 | static struct map_desc osk5912_io_desc[] __initdata = { | |
46 | { OMAP_OSK_NOR_FLASH_BASE, OMAP_OSK_NOR_FLASH_START, OMAP_OSK_NOR_FLASH_SIZE, | |
47 | MT_DEVICE }, | |
48 | }; | |
49 | ||
50 | static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0}; | |
51 | ||
52 | static struct resource osk5912_smc91x_resources[] = { | |
53 | [0] = { | |
54 | .start = OMAP_OSK_ETHR_START, /* Physical */ | |
55 | .end = OMAP_OSK_ETHR_START + 0xf, | |
56 | .flags = IORESOURCE_MEM, | |
57 | }, | |
58 | [1] = { | |
59 | .start = OMAP_GPIO_IRQ(0), | |
60 | .end = OMAP_GPIO_IRQ(0), | |
61 | .flags = IORESOURCE_IRQ, | |
62 | }, | |
63 | }; | |
64 | ||
65 | static struct platform_device osk5912_smc91x_device = { | |
66 | .name = "smc91x", | |
67 | .id = -1, | |
68 | .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), | |
69 | .resource = osk5912_smc91x_resources, | |
70 | }; | |
71 | ||
72 | static struct resource osk5912_cf_resources[] = { | |
73 | [0] = { | |
74 | .start = OMAP_GPIO_IRQ(62), | |
75 | .end = OMAP_GPIO_IRQ(62), | |
76 | .flags = IORESOURCE_IRQ, | |
77 | }, | |
78 | }; | |
79 | ||
80 | static struct platform_device osk5912_cf_device = { | |
81 | .name = "omap_cf", | |
82 | .id = -1, | |
83 | .dev = { | |
84 | .platform_data = (void *) 2 /* CS2 */, | |
85 | }, | |
86 | .num_resources = ARRAY_SIZE(osk5912_cf_resources), | |
87 | .resource = osk5912_cf_resources, | |
88 | }; | |
89 | ||
90 | static struct platform_device *osk5912_devices[] __initdata = { | |
91 | &osk5912_smc91x_device, | |
92 | &osk5912_cf_device, | |
93 | }; | |
94 | ||
95 | static void __init osk_init_smc91x(void) | |
96 | { | |
97 | if ((omap_request_gpio(0)) < 0) { | |
98 | printk("Error requesting gpio 0 for smc91x irq\n"); | |
99 | return; | |
100 | } | |
101 | omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE); | |
102 | ||
103 | /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ | |
104 | EMIFS_CCS(1) |= 0x2; | |
105 | } | |
106 | ||
107 | static void __init osk_init_cf(void) | |
108 | { | |
109 | omap_cfg_reg(M7_1610_GPIO62); | |
110 | if ((omap_request_gpio(62)) < 0) { | |
111 | printk("Error requesting gpio 62 for CF irq\n"); | |
112 | return; | |
113 | } | |
114 | /* it's really active-low */ | |
115 | omap_set_gpio_edge_ctrl(62, OMAP_GPIO_FALLING_EDGE); | |
116 | } | |
117 | ||
118 | void osk_init_irq(void) | |
119 | { | |
120 | omap_init_irq(); | |
121 | omap_gpio_init(); | |
122 | osk_init_smc91x(); | |
123 | osk_init_cf(); | |
124 | } | |
125 | ||
126 | static struct omap_usb_config osk_usb_config __initdata = { | |
127 | /* has usb host connector (A) ... for development it can also | |
128 | * be used, with a NONSTANDARD gender-bending cable/dongle, as | |
129 | * a peripheral. | |
130 | */ | |
131 | #ifdef CONFIG_USB_GADGET_OMAP | |
132 | .register_dev = 1, | |
133 | .hmc_mode = 0, | |
134 | #else | |
135 | .register_host = 1, | |
136 | .hmc_mode = 16, | |
137 | .rwc = 1, | |
138 | #endif | |
139 | .pins[0] = 2, | |
140 | }; | |
141 | ||
142 | static struct omap_board_config_kernel osk_config[] = { | |
143 | { OMAP_TAG_USB, &osk_usb_config }, | |
144 | }; | |
145 | ||
146 | static void __init osk_init(void) | |
147 | { | |
148 | platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); | |
149 | omap_board_config = osk_config; | |
150 | omap_board_config_size = ARRAY_SIZE(osk_config); | |
151 | USB_TRANSCEIVER_CTRL_REG |= (3 << 1); | |
152 | } | |
153 | ||
154 | static void __init osk_map_io(void) | |
155 | { | |
156 | omap_map_io(); | |
157 | iotable_init(osk5912_io_desc, ARRAY_SIZE(osk5912_io_desc)); | |
158 | omap_serial_init(osk_serial_ports); | |
159 | } | |
160 | ||
161 | MACHINE_START(OMAP_OSK, "TI-OSK") | |
162 | MAINTAINER("Dirk Behme <dirk.behme@de.bosch.com>") | |
163 | BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000) | |
164 | BOOT_PARAMS(0x10000100) | |
165 | MAPIO(osk_map_io) | |
166 | INITIRQ(osk_init_irq) | |
167 | INIT_MACHINE(osk_init) | |
168 | .timer = &omap_timer, | |
169 | MACHINE_END |