2 * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
4 * Copyright 2000,1 Compaq Computer Corporation.
6 * Use consistent with the GNU GPL is permitted,
7 * provided that this copyright notice is
8 * preserved in its entirety in all copies and derived works.
10 * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
12 * FITNESS FOR ANY PARTICULAR PURPOSE.
14 * Author: Jamey Hicks.
18 * 2001-10-?? Andrew Christian Added support for iPAQ H3800
19 * and abstracted EGPIO interface.
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/kernel.h>
25 #include <linux/tty.h>
27 #include <linux/device.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/serial_core.h>
33 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
35 #include <asm/setup.h>
37 #include <asm/mach/irq.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/flash.h>
40 #include <asm/mach/irda.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/serial_sa1100.h>
44 #include <mach/h3600.h>
45 #include <mach/h3600_gpio.h>
49 struct ipaq_model_ops ipaq_model_ops;
50 EXPORT_SYMBOL(ipaq_model_ops);
52 static struct mtd_partition h3xxx_partitions[] = {
54 .name = "H3XXX boot firmware",
57 .mask_flags = MTD_WRITEABLE, /* force read-only */
59 #ifdef CONFIG_MTD_2PARTS_IPAQ
60 .name = "H3XXX root jffs2",
61 .size = MTDPART_SIZ_FULL,
64 .name = "H3XXX kernel",
68 .name = "H3XXX params",
72 #ifdef CONFIG_JFFS2_FS
73 .name = "H3XXX root jffs2",
74 .size = MTDPART_SIZ_FULL,
77 .name = "H3XXX initrd",
81 .name = "H3XXX root cramfs",
85 .name = "H3XXX usr cramfs",
89 .name = "H3XXX usr local",
90 .size = MTDPART_SIZ_FULL,
97 static void h3xxx_set_vpp(int vpp)
99 assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, vpp);
102 static struct flash_platform_data h3xxx_flash_data = {
103 .map_name = "cfi_probe",
104 .set_vpp = h3xxx_set_vpp,
105 .parts = h3xxx_partitions,
106 .nr_parts = ARRAY_SIZE(h3xxx_partitions),
109 static struct resource h3xxx_flash_resource = {
110 .start = SA1100_CS0_PHYS,
111 .end = SA1100_CS0_PHYS + SZ_32M - 1,
112 .flags = IORESOURCE_MEM,
116 * This turns the IRDA power on or off on the Compaq H3600
118 static int h3600_irda_set_power(struct device *dev, unsigned int state)
120 assign_h3600_egpio( IPAQ_EGPIO_IR_ON, state );
125 static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
127 if (speed < 4000000) {
128 clr_h3600_egpio(IPAQ_EGPIO_IR_FSEL);
130 set_h3600_egpio(IPAQ_EGPIO_IR_FSEL);
134 static struct irda_platform_data h3600_irda_data = {
135 .set_power = h3600_irda_set_power,
136 .set_speed = h3600_irda_set_speed,
139 static void h3xxx_mach_init(void)
141 sa11x0_set_flash_data(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
142 sa11x0_set_irda_data(&h3600_irda_data);
146 * low-level UART features
149 static void h3600_uart_set_mctrl(struct uart_port *port, u_int mctrl)
151 if (port->mapbase == _Ser3UTCR0) {
152 if (mctrl & TIOCM_RTS)
153 GPCR = GPIO_H3600_COM_RTS;
155 GPSR = GPIO_H3600_COM_RTS;
159 static u_int h3600_uart_get_mctrl(struct uart_port *port)
161 u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
163 if (port->mapbase == _Ser3UTCR0) {
165 /* DCD and CTS bits are inverted in GPLR by RS232 transceiver */
166 if (gplr & GPIO_H3600_COM_DCD)
168 if (gplr & GPIO_H3600_COM_CTS)
175 static void h3600_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
177 if (port->mapbase == _Ser2UTCR0) { /* TODO: REMOVE THIS */
178 assign_h3600_egpio(IPAQ_EGPIO_IR_ON, !state);
179 } else if (port->mapbase == _Ser3UTCR0) {
180 assign_h3600_egpio(IPAQ_EGPIO_RS232_ON, !state);
185 * Enable/Disable wake up events for this serial port.
186 * Obviously, we only support this on the normal COM port.
188 static int h3600_uart_set_wake(struct uart_port *port, u_int enable)
192 if (port->mapbase == _Ser3UTCR0) {
194 PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */
196 PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */
202 static struct sa1100_port_fns h3600_port_fns __initdata = {
203 .set_mctrl = h3600_uart_set_mctrl,
204 .get_mctrl = h3600_uart_get_mctrl,
206 .set_wake = h3600_uart_set_wake,
210 * helper for sa1100fb
212 static void h3xxx_lcd_power(int enable)
214 assign_h3600_egpio(IPAQ_EGPIO_LCD_POWER, enable);
217 static struct map_desc h3600_io_desc[] __initdata = {
218 { /* static memory bank 2 CS#2 */
219 .virtual = H3600_BANK_2_VIRT,
220 .pfn = __phys_to_pfn(SA1100_CS2_PHYS),
221 .length = 0x02800000,
223 }, { /* static memory bank 4 CS#4 */
224 .virtual = H3600_BANK_4_VIRT,
225 .pfn = __phys_to_pfn(SA1100_CS4_PHYS),
226 .length = 0x00800000,
228 }, { /* EGPIO 0 CS#5 */
229 .virtual = H3600_EGPIO_VIRT,
230 .pfn = __phys_to_pfn(H3600_EGPIO_PHYS),
231 .length = 0x01000000,
237 * Common map_io initialization
240 static void __init h3xxx_map_io(void)
243 iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));
245 sa1100_register_uart_fns(&h3600_port_fns);
246 sa1100_register_uart(0, 3); /* Common serial port */
247 // sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */
249 /* Ensure those pins are outputs and driving low */
250 PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
251 PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
253 /* Configure suspend conditions */
255 PWER = PWER_GPIO0 | PWER_RTC;
259 sa1100fb_lcd_power = h3xxx_lcd_power;
262 static __inline__ void do_blank(int setp)
264 if (ipaq_model_ops.blank_callback)
265 ipaq_model_ops.blank_callback(1-setp);
268 /************************* H3100 *************************/
270 #ifdef CONFIG_SA1100_H3100
272 #define H3100_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT)
273 static unsigned int h3100_egpio = 0;
275 static void h3100_control_egpio(enum ipaq_egpio_type x, int setp)
277 unsigned int egpio = 0;
282 case IPAQ_EGPIO_LCD_POWER:
283 egpio |= EGPIO_H3600_LCD_ON;
284 gpio |= GPIO_H3100_LCD_3V_ON;
287 case IPAQ_EGPIO_LCD_ENABLE:
289 case IPAQ_EGPIO_CODEC_NRESET:
290 egpio |= EGPIO_H3600_CODEC_NRESET;
292 case IPAQ_EGPIO_AUDIO_ON:
293 gpio |= GPIO_H3100_AUD_PWR_ON
296 case IPAQ_EGPIO_QMUTE:
297 gpio |= GPIO_H3100_QMUTE;
299 case IPAQ_EGPIO_OPT_NVRAM_ON:
300 egpio |= EGPIO_H3600_OPT_NVRAM_ON;
302 case IPAQ_EGPIO_OPT_ON:
303 egpio |= EGPIO_H3600_OPT_ON;
305 case IPAQ_EGPIO_CARD_RESET:
306 egpio |= EGPIO_H3600_CARD_RESET;
308 case IPAQ_EGPIO_OPT_RESET:
309 egpio |= EGPIO_H3600_OPT_RESET;
311 case IPAQ_EGPIO_IR_ON:
312 gpio |= GPIO_H3100_IR_ON;
314 case IPAQ_EGPIO_IR_FSEL:
315 gpio |= GPIO_H3100_IR_FSEL;
317 case IPAQ_EGPIO_RS232_ON:
318 egpio |= EGPIO_H3600_RS232_ON;
320 case IPAQ_EGPIO_VPP_ON:
321 egpio |= EGPIO_H3600_VPP_ON;
326 local_irq_save(flags);
328 h3100_egpio |= egpio;
331 h3100_egpio &= ~egpio;
334 H3100_EGPIO = h3100_egpio;
335 local_irq_restore(flags);
339 static unsigned long h3100_read_egpio(void)
344 static int h3100_pm_callback(int req)
346 if (ipaq_model_ops.pm_callback_aux)
347 return ipaq_model_ops.pm_callback_aux(req);
351 static struct ipaq_model_ops h3100_model_ops __initdata = {
352 .generic_name = "3100",
353 .control = h3100_control_egpio,
354 .read = h3100_read_egpio,
355 .pm_callback = h3100_pm_callback
358 #define H3100_DIRECT_EGPIO (GPIO_H3100_BT_ON \
361 | GPIO_H3100_LCD_3V_ON \
362 | GPIO_H3100_AUD_ON \
363 | GPIO_H3100_AUD_PWR_ON \
365 | GPIO_H3100_IR_FSEL)
367 static void __init h3100_map_io(void)
371 /* Initialize h3100-specific values here */
372 GPCR = 0x0fffffff; /* All outputs are set low by default */
373 GPDR = GPIO_H3600_COM_RTS | GPIO_H3600_L3_CLOCK |
374 GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA |
375 GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0 |
378 /* Older bootldrs put GPIO2-9 in alternate mode on the
379 assumption that they are used for video */
380 GAFR &= ~H3100_DIRECT_EGPIO;
382 H3100_EGPIO = h3100_egpio;
383 ipaq_model_ops = h3100_model_ops;
386 MACHINE_START(H3100, "Compaq iPAQ H3100")
387 .phys_io = 0x80000000,
388 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
389 .boot_params = 0xc0000100,
390 .map_io = h3100_map_io,
391 .init_irq = sa1100_init_irq,
392 .timer = &sa1100_timer,
393 .init_machine = h3xxx_mach_init,
396 #endif /* CONFIG_SA1100_H3100 */
398 /************************* H3600 *************************/
400 #ifdef CONFIG_SA1100_H3600
402 #define H3600_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT)
403 static unsigned int h3600_egpio = EGPIO_H3600_RS232_ON;
405 static void h3600_control_egpio(enum ipaq_egpio_type x, int setp)
407 unsigned int egpio = 0;
411 case IPAQ_EGPIO_LCD_POWER:
412 egpio |= EGPIO_H3600_LCD_ON |
413 EGPIO_H3600_LCD_PCI |
414 EGPIO_H3600_LCD_5V_ON |
418 case IPAQ_EGPIO_LCD_ENABLE:
420 case IPAQ_EGPIO_CODEC_NRESET:
421 egpio |= EGPIO_H3600_CODEC_NRESET;
423 case IPAQ_EGPIO_AUDIO_ON:
424 egpio |= EGPIO_H3600_AUD_AMP_ON |
425 EGPIO_H3600_AUD_PWR_ON;
427 case IPAQ_EGPIO_QMUTE:
428 egpio |= EGPIO_H3600_QMUTE;
430 case IPAQ_EGPIO_OPT_NVRAM_ON:
431 egpio |= EGPIO_H3600_OPT_NVRAM_ON;
433 case IPAQ_EGPIO_OPT_ON:
434 egpio |= EGPIO_H3600_OPT_ON;
436 case IPAQ_EGPIO_CARD_RESET:
437 egpio |= EGPIO_H3600_CARD_RESET;
439 case IPAQ_EGPIO_OPT_RESET:
440 egpio |= EGPIO_H3600_OPT_RESET;
442 case IPAQ_EGPIO_IR_ON:
443 egpio |= EGPIO_H3600_IR_ON;
445 case IPAQ_EGPIO_IR_FSEL:
446 egpio |= EGPIO_H3600_IR_FSEL;
448 case IPAQ_EGPIO_RS232_ON:
449 egpio |= EGPIO_H3600_RS232_ON;
451 case IPAQ_EGPIO_VPP_ON:
452 egpio |= EGPIO_H3600_VPP_ON;
457 local_irq_save(flags);
459 h3600_egpio |= egpio;
461 h3600_egpio &= ~egpio;
462 H3600_EGPIO = h3600_egpio;
463 local_irq_restore(flags);
467 static unsigned long h3600_read_egpio(void)
472 static int h3600_pm_callback(int req)
474 if (ipaq_model_ops.pm_callback_aux)
475 return ipaq_model_ops.pm_callback_aux(req);
479 static struct ipaq_model_ops h3600_model_ops __initdata = {
480 .generic_name = "3600",
481 .control = h3600_control_egpio,
482 .read = h3600_read_egpio,
483 .pm_callback = h3600_pm_callback
486 static void __init h3600_map_io(void)
490 /* Initialize h3600-specific values here */
492 GPCR = 0x0fffffff; /* All outputs are set low by default */
493 GPDR = GPIO_H3600_COM_RTS | GPIO_H3600_L3_CLOCK |
494 GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA |
495 GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0 |
496 GPIO_LDD15 | GPIO_LDD14 | GPIO_LDD13 | GPIO_LDD12 |
497 GPIO_LDD11 | GPIO_LDD10 | GPIO_LDD9 | GPIO_LDD8;
499 H3600_EGPIO = h3600_egpio; /* Maintains across sleep? */
500 ipaq_model_ops = h3600_model_ops;
503 MACHINE_START(H3600, "Compaq iPAQ H3600")
504 .phys_io = 0x80000000,
505 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
506 .boot_params = 0xc0000100,
507 .map_io = h3600_map_io,
508 .init_irq = sa1100_init_irq,
509 .timer = &sa1100_timer,
510 .init_machine = h3xxx_mach_init,
513 #endif /* CONFIG_SA1100_H3600 */