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1/*
2 * linux/arch/arm/mach-omap1/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
45static 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
50static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
51
52static 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
65static 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
72static 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
80static 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
90static struct platform_device *osk5912_devices[] __initdata = {
91 &osk5912_smc91x_device,
92 &osk5912_cf_device,
93};
94
95static 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
107static 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
118void osk_init_irq(void)
119{
120 omap_init_irq();
121 omap_gpio_init();
122 osk_init_smc91x();
123 osk_init_cf();
124}
125
126static 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
142static struct omap_board_config_kernel osk_config[] = {
143 { OMAP_TAG_USB, &osk_usb_config },
144};
145
146static 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
154static 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
161MACHINE_START(OMAP_OSK, "TI-OSK")
162 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
163 .phys_ram = 0x10000000,
164 .phys_io = 0xfff00000,
165 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
166 .boot_params = 0x10000100,
167 .map_io = osk_map_io,
168 .init_irq = osk_init_irq,
169 .init_machine = osk_init,
170 .timer = &omap_timer,
171MACHINE_END