652f37c7f9063addf813f4a6d8eb50a2142aeb29
[linux-2.6.git] / arch / arm / mach-omap1 / board-innovator.c
1 /*
2  * linux/arch/arm/mach-omap1/board-innovator.c
3  *
4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
5  *
6  * Copyright (C) 2001 RidgeRun, Inc.
7  * Author: Greg Lonnon <glonnon@ridgerun.com>
8  *
9  * Copyright (C) 2002 MontaVista Software, Inc.
10  *
11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2 as
16  * published by the Free Software Foundation.
17  */
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25
26 #include <asm/hardware.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/flash.h>
30 #include <asm/mach/map.h>
31
32 #include <asm/arch/mux.h>
33 #include <asm/arch/fpga.h>
34 #include <asm/arch/gpio.h>
35 #include <asm/arch/tc.h>
36 #include <asm/arch/usb.h>
37 #include <asm/arch/common.h>
38
39 static struct mtd_partition innovator_partitions[] = {
40         /* bootloader (U-Boot, etc) in first sector */
41         {
42               .name             = "bootloader",
43               .offset           = 0,
44               .size             = SZ_128K,
45               .mask_flags       = MTD_WRITEABLE, /* force read-only */
46         },
47         /* bootloader params in the next sector */
48         {
49               .name             = "params",
50               .offset           = MTDPART_OFS_APPEND,
51               .size             = SZ_128K,
52               .mask_flags       = 0,
53         },
54         /* kernel */
55         {
56               .name             = "kernel",
57               .offset           = MTDPART_OFS_APPEND,
58               .size             = SZ_2M,
59               .mask_flags       = 0
60         },
61         /* rest of flash1 is a file system */
62         {
63               .name             = "rootfs",
64               .offset           = MTDPART_OFS_APPEND,
65               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
66               .mask_flags       = 0
67         },
68         /* file system */
69         {
70               .name             = "filesystem",
71               .offset           = MTDPART_OFS_APPEND,
72               .size             = MTDPART_SIZ_FULL,
73               .mask_flags       = 0
74         }
75 };
76
77 static struct flash_platform_data innovator_flash_data = {
78         .map_name       = "cfi_probe",
79         .width          = 2,
80         .parts          = innovator_partitions,
81         .nr_parts       = ARRAY_SIZE(innovator_partitions),
82 };
83
84 static struct resource innovator_flash_resource = {
85         .start          = OMAP_CS0_PHYS,
86         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
87         .flags          = IORESOURCE_MEM,
88 };
89
90 static struct platform_device innovator_flash_device = {
91         .name           = "omapflash",
92         .id             = 0,
93         .dev            = {
94                 .platform_data  = &innovator_flash_data,
95         },
96         .num_resources  = 1,
97         .resource       = &innovator_flash_resource,
98 };
99
100 #ifdef CONFIG_ARCH_OMAP15XX
101
102 /* Only FPGA needs to be mapped here. All others are done with ioremap */
103 static struct map_desc innovator1510_io_desc[] __initdata = {
104         {
105                 .virtual        = OMAP1510_FPGA_BASE,
106                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
107                 .length         = OMAP1510_FPGA_SIZE,
108                 .type           = MT_DEVICE
109         }
110 };
111
112 static struct resource innovator1510_smc91x_resources[] = {
113         [0] = {
114                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
115                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
116                 .flags  = IORESOURCE_MEM,
117         },
118         [1] = {
119                 .start  = OMAP1510_INT_ETHER,
120                 .end    = OMAP1510_INT_ETHER,
121                 .flags  = IORESOURCE_IRQ,
122         },
123 };
124
125 static struct platform_device innovator1510_smc91x_device = {
126         .name           = "smc91x",
127         .id             = 0,
128         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
129         .resource       = innovator1510_smc91x_resources,
130 };
131
132 static struct platform_device *innovator1510_devices[] __initdata = {
133         &innovator_flash_device,
134         &innovator1510_smc91x_device,
135 };
136
137 #endif /* CONFIG_ARCH_OMAP15XX */
138
139 #ifdef CONFIG_ARCH_OMAP16XX
140
141 static struct resource innovator1610_smc91x_resources[] = {
142         [0] = {
143                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
144                 .end    = INNOVATOR1610_ETHR_START + 0xf,
145                 .flags  = IORESOURCE_MEM,
146         },
147         [1] = {
148                 .start  = OMAP_GPIO_IRQ(0),
149                 .end    = OMAP_GPIO_IRQ(0),
150                 .flags  = IORESOURCE_IRQ,
151         },
152 };
153
154 static struct platform_device innovator1610_smc91x_device = {
155         .name           = "smc91x",
156         .id             = 0,
157         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
158         .resource       = innovator1610_smc91x_resources,
159 };
160
161 static struct platform_device *innovator1610_devices[] __initdata = {
162         &innovator_flash_device,
163         &innovator1610_smc91x_device,
164 };
165
166 #endif /* CONFIG_ARCH_OMAP16XX */
167
168 static void __init innovator_init_smc91x(void)
169 {
170         if (cpu_is_omap1510()) {
171                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
172                            OMAP1510_FPGA_RST);
173                 udelay(750);
174         } else {
175                 if ((omap_request_gpio(0)) < 0) {
176                         printk("Error requesting gpio 0 for smc91x irq\n");
177                         return;
178                 }
179         }
180 }
181
182 void innovator_init_irq(void)
183 {
184         omap_init_irq();
185         omap_gpio_init();
186 #ifdef CONFIG_ARCH_OMAP15XX
187         if (cpu_is_omap1510()) {
188                 omap1510_fpga_init_irq();
189         }
190 #endif
191         innovator_init_smc91x();
192 }
193
194 #ifdef CONFIG_ARCH_OMAP15XX
195 static struct omap_usb_config innovator1510_usb_config __initdata = {
196         /* for bundled non-standard host and peripheral cables */
197         .hmc_mode       = 4,
198
199         .register_host  = 1,
200         .pins[1]        = 6,
201         .pins[2]        = 6,            /* Conflicts with UART2 */
202
203         .register_dev   = 1,
204         .pins[0]        = 2,
205 };
206
207 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
208         .panel_name     = "inn1510",
209         .ctrl_name      = "internal",
210 };
211 #endif
212
213 #ifdef CONFIG_ARCH_OMAP16XX
214 static struct omap_usb_config h2_usb_config __initdata = {
215         /* usb1 has a Mini-AB port and external isp1301 transceiver */
216         .otg            = 2,
217
218 #ifdef  CONFIG_USB_GADGET_OMAP
219         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
220         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
221 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
222         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
223         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
224 #endif
225
226         .pins[1]        = 3,
227 };
228
229 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
230         .panel_name     = "inn1610",
231         .ctrl_name      = "internal",
232 };
233 #endif
234
235 static struct omap_mmc_config innovator_mmc_config __initdata = {
236         .mmc [0] = {
237                 .enabled        = 1,
238                 .wire4          = 1,
239                 .wp_pin         = OMAP_MPUIO(3),
240                 .power_pin      = -1,   /* FPGA F3 UIO42 */
241                 .switch_pin     = -1,   /* FPGA F4 UIO43 */
242         },
243 };
244
245 static struct omap_uart_config innovator_uart_config __initdata = {
246         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
247 };
248
249 static struct omap_board_config_kernel innovator_config[] = {
250         { OMAP_TAG_USB,         NULL },
251         { OMAP_TAG_LCD,         NULL },
252         { OMAP_TAG_MMC,         &innovator_mmc_config },
253         { OMAP_TAG_UART,        &innovator_uart_config },
254 };
255
256 static void __init innovator_init(void)
257 {
258 #ifdef CONFIG_ARCH_OMAP15XX
259         if (cpu_is_omap1510()) {
260                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
261         }
262 #endif
263 #ifdef CONFIG_ARCH_OMAP16XX
264         if (!cpu_is_omap1510()) {
265                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
266         }
267 #endif
268
269 #ifdef CONFIG_ARCH_OMAP15XX
270         if (cpu_is_omap1510()) {
271                 innovator_config[0].data = &innovator1510_usb_config;
272                 innovator_config[1].data = &innovator1510_lcd_config;
273         }
274 #endif
275 #ifdef CONFIG_ARCH_OMAP16XX
276         if (cpu_is_omap1610()) {
277                 innovator_config[0].data = &h2_usb_config;
278                 innovator_config[1].data = &innovator1610_lcd_config;
279         }
280 #endif
281         omap_board_config = innovator_config;
282         omap_board_config_size = ARRAY_SIZE(innovator_config);
283         omap_serial_init();
284 }
285
286 static void __init innovator_map_io(void)
287 {
288         omap_map_common_io();
289
290 #ifdef CONFIG_ARCH_OMAP15XX
291         if (cpu_is_omap1510()) {
292                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
293                 udelay(10);     /* Delay needed for FPGA */
294
295                 /* Dump the Innovator FPGA rev early - useful info for support. */
296                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
297                        fpga_read(OMAP1510_FPGA_REV_HIGH),
298                        fpga_read(OMAP1510_FPGA_REV_LOW),
299                        fpga_read(OMAP1510_FPGA_BOARD_REV));
300         }
301 #endif
302 }
303
304 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
305         /* Maintainer: MontaVista Software, Inc. */
306         .phys_io        = 0xfff00000,
307         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
308         .boot_params    = 0x10000100,
309         .map_io         = innovator_map_io,
310         .init_irq       = innovator_init_irq,
311         .init_machine   = innovator_init,
312         .timer          = &omap_timer,
313 MACHINE_END