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-rw-r--r--arch/arm/mach-pxa/trizeps4.c471
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1/*
2 * linux/arch/arm/mach-pxa/trizeps4.c
3 *
4 * Support for the Keith und Koep Trizeps4 Module Platform.
5 *
6 * Author: Jürgen Schindele
7 * Created: 20 02, 2006
8 * Copyright: Jürgen Schindele
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/init.h>
16#include <linux/kernel.h>
17#include <linux/platform_device.h>
18#include <linux/sysdev.h>
19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/bitops.h>
22#include <linux/fb.h>
23#include <linux/ioport.h>
24#include <linux/delay.h>
25#include <linux/serial_8250.h>
26#include <linux/mtd/mtd.h>
27#include <linux/mtd/partitions.h>
28
29#include <asm/types.h>
30#include <asm/setup.h>
31#include <asm/memory.h>
32#include <asm/mach-types.h>
33#include <asm/hardware.h>
34#include <asm/irq.h>
35#include <asm/sizes.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40#include <asm/mach/flash.h>
41
42#include <asm/arch/pxa-regs.h>
43#include <asm/arch/trizeps4.h>
44#include <asm/arch/audio.h>
45#include <asm/arch/pxafb.h>
46#include <asm/arch/mmc.h>
47#include <asm/arch/irda.h>
48#include <asm/arch/ohci.h>
49
50#include "generic.h"
51
52/********************************************************************************************
53 * ONBOARD FLASH
54 ********************************************************************************************/
55static struct mtd_partition trizeps4_partitions[] = {
56 {
57 .name = "Bootloader",
58 .size = 0x00040000,
59 .offset = 0,
60 .mask_flags = MTD_WRITEABLE /* force read-only */
61 },{
62 .name = "Kernel",
63 .size = 0x00400000,
64 .offset = 0x00040000
65 },{
66 .name = "Filesystem",
67 .size = MTDPART_SIZ_FULL,
68 .offset = 0x00440000
69 }
70};
71
72static struct flash_platform_data trizeps4_flash_data[] = {
73 {
74 .map_name = "cfi_probe",
75 .parts = trizeps4_partitions,
76 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
77 }
78};
79
80static struct resource flash_resource = {
81 .start = PXA_CS0_PHYS,
82 .end = PXA_CS0_PHYS + SZ_64M - 1,
83 .flags = IORESOURCE_MEM,
84};
85
86static struct platform_device flash_device = {
87 .name = "pxa2xx-flash",
88 .id = 0,
89 .dev = {
90 .platform_data = &trizeps4_flash_data,
91 },
92 .resource = &flash_resource,
93 .num_resources = 1,
94};
95
96/********************************************************************************************
97 * DAVICOM DM9000 Ethernet
98 ********************************************************************************************/
99static struct resource dm9000_resources[] = {
100 [0] = {
101 .start = TRIZEPS4_ETH_PHYS+0x300,
102 .end = TRIZEPS4_ETH_PHYS+0x400-1,
103 .flags = IORESOURCE_MEM,
104 },
105 [1] = {
106 .start = TRIZEPS4_ETH_PHYS+0x8300,
107 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
108 .flags = IORESOURCE_MEM,
109 },
110 [2] = {
111 .start = TRIZEPS4_ETH_IRQ,
112 .end = TRIZEPS4_ETH_IRQ,
113 .flags = (IORESOURCE_IRQ | IRQT_RISING),
114 },
115};
116
117static struct platform_device dm9000_device = {
118 .name = "dm9000",
119 .id = -1,
120 .num_resources = ARRAY_SIZE(dm9000_resources),
121 .resource = dm9000_resources,
122};
123
124/********************************************************************************************
125 * PXA270 serial ports
126 ********************************************************************************************/
127static struct plat_serial8250_port tri_serial_ports[] = {
128#ifdef CONFIG_SERIAL_PXA
129 /* this uses the own PXA driver */
130 {
131 0,
132 },
133#else
134 /* this uses the generic 8520 driver */
135 [0] = {
136 .membase = (void *)&FFUART,
137 .irq = IRQ_FFUART,
138 .flags = UPF_BOOT_AUTOCONF,
139 .iotype = UPIO_MEM32,
140 .regshift = 2,
141 .uartclk = (921600*16),
142 },
143 [1] = {
144 .membase = (void *)&BTUART,
145 .irq = IRQ_BTUART,
146 .flags = UPF_BOOT_AUTOCONF,
147 .iotype = UPIO_MEM32,
148 .regshift = 2,
149 .uartclk = (921600*16),
150 },
151 {
152 0,
153 },
154#endif
155};
156
157static struct platform_device uart_devices = {
158 .name = "serial8250",
159 .id = 0,
160 .dev = {
161 .platform_data = tri_serial_ports,
162 },
163 .num_resources = 0,
164 .resource = NULL,
165};
166
167/********************************************************************************************
168 * PXA270 ac97 sound codec
169 ********************************************************************************************/
170static struct platform_device ac97_audio_device = {
171 .name = "pxa2xx-ac97",
172 .id = -1,
173};
174
175static struct platform_device * trizeps4_devices[] __initdata = {
176 &flash_device,
177 &uart_devices,
178 &dm9000_device,
179 &ac97_audio_device,
180};
181
182#ifdef CONFIG_MACH_TRIZEPS4_CONXS
183static short trizeps_conxs_bcr;
184
185/* PCCARD power switching supports only 3,3V */
186void board_pcmcia_power(int power)
187{
188 if (power) {
189 /* switch power on, put in reset and enable buffers */
190 trizeps_conxs_bcr |= power;
191 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
192 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
193 ConXS_BCR = trizeps_conxs_bcr;
194 /* wait a little */
195 udelay(2000);
196 /* take reset away */
197 trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
198 ConXS_BCR = trizeps_conxs_bcr;
199 udelay(2000);
200 } else {
201 /* put in reset */
202 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
203 ConXS_BCR = trizeps_conxs_bcr;
204 udelay(1000);
205 /* switch power off */
206 trizeps_conxs_bcr &= ~(0xf);
207 ConXS_BCR = trizeps_conxs_bcr;
208
209 }
210 pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
211}
212
213/* backlight power switching for LCD panel */
214static void board_backlight_power(int on)
215{
216 if (on) {
217 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
218 } else {
219 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
220 }
221 pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
222 ConXS_BCR = trizeps_conxs_bcr;
223}
224
225/* Powersupply for MMC/SD cardslot */
226static void board_mci_power(struct device *dev, unsigned int vdd)
227{
228 struct pxamci_platform_data* p_d = dev->platform_data;
229
230 if (( 1 << vdd) & p_d->ocr_mask) {
231 pr_debug("%s: on\n", __FUNCTION__);
232 /* FIXME fill in values here */
233 } else {
234 pr_debug("%s: off\n", __FUNCTION__);
235 /* FIXME fill in values here */
236 }
237}
238
239static short trizeps_conxs_ircr;
240
241/* Switch modes and Power for IRDA receiver */
242static void board_irda_mode(struct device *dev, int mode)
243{
244 unsigned long flags;
245
246 local_irq_save(flags);
247 if (mode & IR_SIRMODE) {
248 /* Slow mode */
249 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
250 } else if (mode & IR_FIRMODE) {
251 /* Fast mode */
252 trizeps_conxs_ircr |= ConXS_IRCR_MODE;
253 }
254 if (mode & IR_OFF) {
255 trizeps_conxs_ircr |= ConXS_IRCR_SD;
256 } else {
257 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
258 }
259 /* FIXME write values to register */
260 local_irq_restore(flags);
261}
262
263#else
264/* for other baseboards define dummies */
265void board_pcmcia_power(int power) {;}
266#define board_backlight_power NULL
267#define board_mci_power NULL
268#define board_irda_mode NULL
269
270#endif /* CONFIG_MACH_TRIZEPS4_CONXS */
271EXPORT_SYMBOL(board_pcmcia_power);
272
273static int trizeps4_mci_init(struct device *dev, irqreturn_t (*mci_detect_int)(int, void *, struct pt_regs *), void *data)
274{
275 int err;
276 /* setup GPIO for PXA27x MMC controller */
277 pxa_gpio_mode(GPIO32_MMCCLK_MD);
278 pxa_gpio_mode(GPIO112_MMCCMD_MD);
279 pxa_gpio_mode(GPIO92_MMCDAT0_MD);
280 pxa_gpio_mode(GPIO109_MMCDAT1_MD);
281 pxa_gpio_mode(GPIO110_MMCDAT2_MD);
282 pxa_gpio_mode(GPIO111_MMCDAT3_MD);
283
284 pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
285
286 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, SA_INTERRUPT | SA_TRIGGER_RISING, "MMC card detect", data);
287 if (err) {
288 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
289 return -1;
290 }
291 return 0;
292}
293
294static void trizeps4_mci_exit(struct device *dev, void *data)
295{
296 free_irq(TRIZEPS4_MMC_IRQ, data);
297}
298
299static struct pxamci_platform_data trizeps4_mci_platform_data = {
300 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
301 .init = trizeps4_mci_init,
302 .exit = trizeps4_mci_exit,
303 .setpower = board_mci_power,
304};
305
306static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
307 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
308 .transceiver_mode = board_irda_mode,
309};
310
311static int trizeps4_ohci_init(struct device *dev)
312{
313 /* setup Port1 GPIO pin. */
314 pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
315 pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
316
317 /* Set the Power Control Polarity Low and Power Sense
318 Polarity Low to active low. */
319 UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
320 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
321
322 return 0;
323}
324
325static void trizeps4_ohci_exit(struct device *dev)
326{
327 ;
328}
329
330static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
331 .port_mode = PMM_PERPORT_MODE,
332 .init = trizeps4_ohci_init,
333 .exit = trizeps4_ohci_exit,
334};
335
336static struct map_desc trizeps4_io_desc[] __initdata = {
337 { /* ConXS CFSR */
338 .virtual = TRIZEPS4_CFSR_VIRT,
339 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
340 .length = 0x00001000,
341 .type = MT_DEVICE
342 },
343 { /* ConXS BCR */
344 .virtual = TRIZEPS4_BOCR_VIRT,
345 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
346 .length = 0x00001000,
347 .type = MT_DEVICE
348 },
349 { /* ConXS IRCR */
350 .virtual = TRIZEPS4_IRCR_VIRT,
351 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
352 .length = 0x00001000,
353 .type = MT_DEVICE
354 },
355 { /* ConXS DCR */
356 .virtual = TRIZEPS4_DICR_VIRT,
357 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
358 .length = 0x00001000,
359 .type = MT_DEVICE
360 },
361 { /* ConXS UPSR */
362 .virtual = TRIZEPS4_UPSR_VIRT,
363 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
364 .length = 0x00001000,
365 .type = MT_DEVICE
366 }
367};
368
369static struct pxafb_mach_info sharp_lcd __initdata = {
370 .pixclock = 78000,
371 .xres = 640,
372 .yres = 480,
373 .bpp = 8,
374 .hsync_len = 4,
375 .left_margin = 4,
376 .right_margin = 4,
377 .vsync_len = 2,
378 .upper_margin = 0,
379 .lower_margin = 0,
380 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
381 .cmap_greyscale = 0,
382 .cmap_inverse = 0,
383 .cmap_static = 0,
384 .lccr0 = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
385 .lccr3 = 0x0340ff02,
386 .pxafb_backlight_power = board_backlight_power,
387};
388
389static void __init trizeps4_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi)
390{
391}
392
393static void __init trizeps4_init(void)
394{
395 platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
396
397 set_pxa_fb_info(&sharp_lcd);
398
399 pxa_set_mci_info(&trizeps4_mci_platform_data);
400 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
401 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
402}
403
404static void __init trizeps4_map_io(void)
405{
406 pxa_map_io();
407 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
408
409 /* for DiskOnChip */
410 pxa_gpio_mode(GPIO15_nCS_1_MD);
411
412 /* for off-module PIC on ConXS board */
413 pxa_gpio_mode(GPIO_PIC | GPIO_IN);
414
415 /* UCB1400 irq */
416 pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
417
418 /* for DM9000 LAN */
419 pxa_gpio_mode(GPIO78_nCS_2_MD);
420 pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
421
422 /* for PCMCIA device */
423 pxa_gpio_mode(GPIO_PCD | GPIO_IN);
424 pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
425
426 /* for I2C adapter */
427 pxa_gpio_mode(GPIO117_I2CSCL_MD);
428 pxa_gpio_mode(GPIO118_I2CSDA_MD);
429
430 /* MMC_DET s.o. */
431 pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
432
433 /* whats that for ??? */
434 pxa_gpio_mode(GPIO79_nCS_3_MD);
435
436 pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */
437 pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */
438
439#ifdef CONFIG_MACH_TRIZEPS4_CONXS
440#ifdef CONFIG_IDE_PXA_CF
441 /* if boot direct from compact flash dont disable power */
442 trizeps_conxs_bcr = 0x0009;
443#else
444 /* this is the reset value */
445 trizeps_conxs_bcr = 0x00A0;
446#endif
447 ConXS_BCR = trizeps_conxs_bcr;
448#endif
449
450 PWER = 0x00000002;
451 PFER = 0x00000000;
452 PRER = 0x00000002;
453 PGSR0 = 0x0158C000;
454 PGSR1 = 0x00FF0080;
455 PGSR2 = 0x0001C004;
456 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
457 PCFR |= PCFR_OPDE;
458}
459
460MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
461 /* MAINTAINER("Jürgen Schindele") */
462 .phys_io = 0x40000000,
463 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
464 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
465 .fixup = trizeps4_fixup,
466 .init_machine = trizeps4_init,
467 .map_io = trizeps4_map_io,
468 .init_irq = pxa_init_irq,
469 .timer = &pxa_timer,
470MACHINE_END
471
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