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1da177e4 | 1 | /* |
dbdf9ced | 2 | * linux/arch/arm/mach-omap1/board-osk.c |
1da177e4 LT |
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> | |
d052d1be | 31 | #include <linux/platform_device.h> |
7c38cf02 TL |
32 | #include <linux/interrupt.h> |
33 | ||
34 | #include <linux/mtd/mtd.h> | |
35 | #include <linux/mtd/partitions.h> | |
1da177e4 LT |
36 | |
37 | #include <asm/hardware.h> | |
38 | #include <asm/mach-types.h> | |
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
7c38cf02 | 41 | #include <asm/mach/flash.h> |
1da177e4 LT |
42 | |
43 | #include <asm/arch/gpio.h> | |
44 | #include <asm/arch/usb.h> | |
45 | #include <asm/arch/mux.h> | |
46 | #include <asm/arch/tc.h> | |
d48af15e | 47 | #include <asm/arch/common.h> |
1da177e4 | 48 | |
7c38cf02 TL |
49 | static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0}; |
50 | ||
51 | static struct mtd_partition osk_partitions[] = { | |
52 | /* bootloader (U-Boot, etc) in first sector */ | |
53 | { | |
54 | .name = "bootloader", | |
55 | .offset = 0, | |
56 | .size = SZ_128K, | |
57 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
58 | }, | |
59 | /* bootloader params in the next sector */ | |
60 | { | |
61 | .name = "params", | |
62 | .offset = MTDPART_OFS_APPEND, | |
63 | .size = SZ_128K, | |
64 | .mask_flags = 0, | |
65 | }, { | |
66 | .name = "kernel", | |
67 | .offset = MTDPART_OFS_APPEND, | |
68 | .size = SZ_2M, | |
69 | .mask_flags = 0 | |
70 | }, { | |
71 | .name = "filesystem", | |
72 | .offset = MTDPART_OFS_APPEND, | |
73 | .size = MTDPART_SIZ_FULL, | |
74 | .mask_flags = 0 | |
75 | } | |
1da177e4 LT |
76 | }; |
77 | ||
7c38cf02 TL |
78 | static struct flash_platform_data osk_flash_data = { |
79 | .map_name = "cfi_probe", | |
80 | .width = 2, | |
81 | .parts = osk_partitions, | |
82 | .nr_parts = ARRAY_SIZE(osk_partitions), | |
83 | }; | |
84 | ||
85 | static struct resource osk_flash_resource = { | |
86 | /* this is on CS3, wherever it's mapped */ | |
87 | .flags = IORESOURCE_MEM, | |
88 | }; | |
89 | ||
90 | static struct platform_device osk5912_flash_device = { | |
91 | .name = "omapflash", | |
92 | .id = 0, | |
93 | .dev = { | |
94 | .platform_data = &osk_flash_data, | |
95 | }, | |
96 | .num_resources = 1, | |
97 | .resource = &osk_flash_resource, | |
98 | }; | |
1da177e4 LT |
99 | |
100 | static struct resource osk5912_smc91x_resources[] = { | |
101 | [0] = { | |
102 | .start = OMAP_OSK_ETHR_START, /* Physical */ | |
103 | .end = OMAP_OSK_ETHR_START + 0xf, | |
104 | .flags = IORESOURCE_MEM, | |
105 | }, | |
106 | [1] = { | |
107 | .start = OMAP_GPIO_IRQ(0), | |
108 | .end = OMAP_GPIO_IRQ(0), | |
109 | .flags = IORESOURCE_IRQ, | |
110 | }, | |
111 | }; | |
112 | ||
113 | static struct platform_device osk5912_smc91x_device = { | |
114 | .name = "smc91x", | |
115 | .id = -1, | |
116 | .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), | |
117 | .resource = osk5912_smc91x_resources, | |
118 | }; | |
119 | ||
120 | static struct resource osk5912_cf_resources[] = { | |
121 | [0] = { | |
122 | .start = OMAP_GPIO_IRQ(62), | |
123 | .end = OMAP_GPIO_IRQ(62), | |
124 | .flags = IORESOURCE_IRQ, | |
125 | }, | |
126 | }; | |
127 | ||
128 | static struct platform_device osk5912_cf_device = { | |
129 | .name = "omap_cf", | |
130 | .id = -1, | |
131 | .dev = { | |
132 | .platform_data = (void *) 2 /* CS2 */, | |
133 | }, | |
134 | .num_resources = ARRAY_SIZE(osk5912_cf_resources), | |
135 | .resource = osk5912_cf_resources, | |
136 | }; | |
137 | ||
7c38cf02 TL |
138 | static struct platform_device osk5912_mcbsp1_device = { |
139 | .name = "omap_mcbsp", | |
140 | .id = 1, | |
141 | }; | |
142 | ||
1da177e4 | 143 | static struct platform_device *osk5912_devices[] __initdata = { |
7c38cf02 | 144 | &osk5912_flash_device, |
1da177e4 LT |
145 | &osk5912_smc91x_device, |
146 | &osk5912_cf_device, | |
7c38cf02 | 147 | &osk5912_mcbsp1_device, |
1da177e4 LT |
148 | }; |
149 | ||
150 | static void __init osk_init_smc91x(void) | |
151 | { | |
152 | if ((omap_request_gpio(0)) < 0) { | |
153 | printk("Error requesting gpio 0 for smc91x irq\n"); | |
154 | return; | |
155 | } | |
1da177e4 LT |
156 | |
157 | /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ | |
158 | EMIFS_CCS(1) |= 0x2; | |
159 | } | |
160 | ||
161 | static void __init osk_init_cf(void) | |
162 | { | |
163 | omap_cfg_reg(M7_1610_GPIO62); | |
164 | if ((omap_request_gpio(62)) < 0) { | |
165 | printk("Error requesting gpio 62 for CF irq\n"); | |
166 | return; | |
167 | } | |
7c38cf02 TL |
168 | /* the CF I/O IRQ is really active-low */ |
169 | set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING); | |
1da177e4 LT |
170 | } |
171 | ||
7c38cf02 | 172 | static void __init osk_init_irq(void) |
1da177e4 LT |
173 | { |
174 | omap_init_irq(); | |
175 | omap_gpio_init(); | |
176 | osk_init_smc91x(); | |
177 | osk_init_cf(); | |
178 | } | |
179 | ||
180 | static struct omap_usb_config osk_usb_config __initdata = { | |
181 | /* has usb host connector (A) ... for development it can also | |
182 | * be used, with a NONSTANDARD gender-bending cable/dongle, as | |
183 | * a peripheral. | |
184 | */ | |
185 | #ifdef CONFIG_USB_GADGET_OMAP | |
186 | .register_dev = 1, | |
187 | .hmc_mode = 0, | |
188 | #else | |
189 | .register_host = 1, | |
190 | .hmc_mode = 16, | |
191 | .rwc = 1, | |
192 | #endif | |
193 | .pins[0] = 2, | |
194 | }; | |
195 | ||
196 | static struct omap_board_config_kernel osk_config[] = { | |
197 | { OMAP_TAG_USB, &osk_usb_config }, | |
198 | }; | |
199 | ||
7c38cf02 TL |
200 | #ifdef CONFIG_OMAP_OSK_MISTRAL |
201 | ||
202 | #ifdef CONFIG_PM | |
203 | static irqreturn_t | |
204 | osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs) | |
205 | { | |
206 | return IRQ_HANDLED; | |
207 | } | |
208 | #endif | |
209 | ||
210 | static void __init osk_mistral_init(void) | |
211 | { | |
212 | /* FIXME here's where to feed in framebuffer, touchpad, and | |
213 | * keyboard setup ... not in the drivers for those devices! | |
214 | * | |
215 | * NOTE: we could actually tell if there's a Mistral board | |
216 | * attached, e.g. by trying to read something from the ads7846. | |
217 | * But this is too early for that... | |
218 | */ | |
219 | ||
220 | /* the sideways button (SW1) is for use as a "wakeup" button */ | |
221 | omap_cfg_reg(N15_1610_MPUIO2); | |
222 | if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { | |
223 | int ret = 0; | |
224 | omap_set_gpio_direction(OMAP_MPUIO(2), 1); | |
225 | set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING); | |
226 | #ifdef CONFIG_PM | |
227 | /* share the IRQ in case someone wants to use the | |
228 | * button for more than wakeup from system sleep. | |
229 | */ | |
230 | ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), | |
231 | &osk_mistral_wake_interrupt, | |
232 | SA_SHIRQ, "mistral_wakeup", | |
233 | &osk_mistral_wake_interrupt); | |
234 | if (ret != 0) { | |
235 | omap_free_gpio(OMAP_MPUIO(2)); | |
236 | printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", | |
237 | ret); | |
238 | } else | |
239 | enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2))); | |
240 | #endif | |
241 | } else | |
242 | printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); | |
243 | } | |
244 | #else | |
245 | static void __init osk_mistral_init(void) { } | |
246 | #endif | |
247 | ||
1da177e4 LT |
248 | static void __init osk_init(void) |
249 | { | |
7c38cf02 TL |
250 | osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); |
251 | osk_flash_resource.end += SZ_32M - 1; | |
1da177e4 LT |
252 | platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); |
253 | omap_board_config = osk_config; | |
254 | omap_board_config_size = ARRAY_SIZE(osk_config); | |
255 | USB_TRANSCEIVER_CTRL_REG |= (3 << 1); | |
7c38cf02 TL |
256 | |
257 | osk_mistral_init(); | |
1da177e4 LT |
258 | } |
259 | ||
260 | static void __init osk_map_io(void) | |
261 | { | |
d48af15e | 262 | omap_map_common_io(); |
1da177e4 LT |
263 | omap_serial_init(osk_serial_ports); |
264 | } | |
265 | ||
266 | MACHINE_START(OMAP_OSK, "TI-OSK") | |
e9dea0c6 RK |
267 | /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ |
268 | .phys_ram = 0x10000000, | |
269 | .phys_io = 0xfff00000, | |
270 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
271 | .boot_params = 0x10000100, | |
272 | .map_io = osk_map_io, | |
273 | .init_irq = osk_init_irq, | |
274 | .init_machine = osk_init, | |
1da177e4 LT |
275 | .timer = &omap_timer, |
276 | MACHINE_END |