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authorDmitry Artamonow <mad_soft@inbox.ru>2009-11-27 06:10:55 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-06 11:52:56 -0500
commit86e5e38c46b1d188c897f131d3f015ca73677f03 (patch)
tree8d2c1a00e5638395baa3cce8ac94afe73b128cad
parent8715b29db2787f7c70f662b7b4d5b01017c61948 (diff)
ARM: 5820/1: SA1100: h3100/h3600: split h3600.c
Split common h3600.c into three separate files: h3100.c, h3600.c and h3xxx.c (the latter contains common code for h3100/h3600) Copyright boilerplates and #includes are copied intact and will be cleaned up later. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat
-rw-r--r--arch/arm/mach-sa1100/Makefile4
-rw-r--r--arch/arm/mach-sa1100/h3100.c119
-rw-r--r--arch/arm/mach-sa1100/h3600.c333
-rw-r--r--arch/arm/mach-sa1100/h3xxx.c292
-rw-r--r--arch/arm/mach-sa1100/include/mach/h3xxx.h14
5 files changed, 427 insertions, 335 deletions
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index bb7b8198d0c4..89349c1dd7a6 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -25,8 +25,8 @@ led-$(CONFIG_SA1100_CERF) += leds-cerf.o
25 25
26obj-$(CONFIG_SA1100_COLLIE) += collie.o 26obj-$(CONFIG_SA1100_COLLIE) += collie.o
27 27
28obj-$(CONFIG_SA1100_H3100) += h3600.o 28obj-$(CONFIG_SA1100_H3100) += h3100.o h3xxx.o
29obj-$(CONFIG_SA1100_H3600) += h3600.o 29obj-$(CONFIG_SA1100_H3600) += h3600.o h3xxx.o
30 30
31obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o 31obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o
32led-$(CONFIG_SA1100_HACKKIT) += leds-hackkit.o 32led-$(CONFIG_SA1100_HACKKIT) += leds-hackkit.o
diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
new file mode 100644
index 000000000000..4c7778ee57aa
--- /dev/null
+++ b/arch/arm/mach-sa1100/h3100.c
@@ -0,0 +1,119 @@
1/*
2 * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
3 *
4 * Copyright 2000,1 Compaq Computer Corporation.
5 *
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.
9 *
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.
13 *
14 * Author: Jamey Hicks.
15 *
16 * History:
17 *
18 * 2001-10-?? Andrew Christian Added support for iPAQ H3800
19 * and abstracted EGPIO interface.
20 *
21 */
22#include <linux/module.h>
23#include <linux/init.h>
24#include <linux/kernel.h>
25#include <linux/tty.h>
26#include <linux/pm.h>
27#include <linux/device.h>
28#include <linux/mfd/htc-egpio.h>
29#include <linux/mtd/mtd.h>
30#include <linux/mtd/partitions.h>
31#include <linux/serial_core.h>
32#include <linux/gpio.h>
33#include <linux/platform_device.h>
34
35#include <asm/irq.h>
36#include <mach/hardware.h>
37#include <asm/mach-types.h>
38#include <asm/setup.h>
39
40#include <asm/mach/irq.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/flash.h>
43#include <asm/mach/irda.h>
44#include <asm/mach/map.h>
45#include <asm/mach/serial_sa1100.h>
46
47#include <mach/h3xxx.h>
48
49#include "generic.h"
50
51/*
52 * helper for sa1100fb
53 */
54static void h3100_lcd_power(int enable)
55{
56 if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
57 gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
58 gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
59 gpio_free(H3XXX_EGPIO_LCD_ON);
60 }
61}
62
63
64static void __init h3100_map_io(void)
65{
66 h3xxx_map_io();
67
68 sa1100fb_lcd_power = h3100_lcd_power;
69
70 /* Older bootldrs put GPIO2-9 in alternate mode on the
71 assumption that they are used for video */
72 GAFR &= ~0x000001fb;
73}
74
75/*
76 * This turns the IRDA power on or off on the Compaq H3100
77 */
78static int h3100_irda_set_power(struct device *dev, unsigned int state)
79{
80 gpio_set_value(H3100_GPIO_IR_ON, state);
81 return 0;
82}
83
84static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
85{
86 gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
87}
88
89static struct irda_platform_data h3100_irda_data = {
90 .set_power = h3100_irda_set_power,
91 .set_speed = h3100_irda_set_speed,
92};
93
94static struct gpio_default_state h3100_default_gpio[] = {
95 { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
96 { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
97 { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
98 { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
99 { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
100 { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
101};
102
103static void __init h3100_mach_init(void)
104{
105 h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
106 h3xxx_mach_init();
107 sa11x0_register_irda(&h3100_irda_data);
108}
109
110MACHINE_START(H3100, "Compaq iPAQ H3100")
111 .phys_io = 0x80000000,
112 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
113 .boot_params = 0xc0000100,
114 .map_io = h3100_map_io,
115 .init_irq = sa1100_init_irq,
116 .timer = &sa1100_timer,
117 .init_machine = h3100_mach_init,
118MACHINE_END
119
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index dd39f90db0db..65ab286a304d 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -48,337 +48,6 @@
48 48
49#include "generic.h" 49#include "generic.h"
50 50
51struct gpio_default_state {
52 int gpio;
53 int mode;
54 const char *name;
55};
56
57#define GPIO_MODE_IN -1
58#define GPIO_MODE_OUT0 0
59#define GPIO_MODE_OUT1 1
60
61static void h3xxx_init_gpio(struct gpio_default_state *s, size_t n)
62{
63 while (n--) {
64 const char *name = s->name;
65 int err;
66
67 if (!name)
68 name = "[init]";
69 err = gpio_request(s->gpio, name);
70 if (err) {
71 printk(KERN_ERR "gpio%u: unable to request: %d\n",
72 s->gpio, err);
73 continue;
74 }
75 if (s->mode >= 0) {
76 err = gpio_direction_output(s->gpio, s->mode);
77 } else {
78 err = gpio_direction_input(s->gpio);
79 }
80 if (err) {
81 printk(KERN_ERR "gpio%u: unable to set direction: %d\n",
82 s->gpio, err);
83 continue;
84 }
85 if (!s->name)
86 gpio_free(s->gpio);
87 s++;
88 }
89}
90
91
92/*
93 * H3xxx flash support
94 */
95static struct mtd_partition h3xxx_partitions[] = {
96 {
97 .name = "H3XXX boot firmware",
98 .size = 0x00040000,
99 .offset = 0,
100 .mask_flags = MTD_WRITEABLE, /* force read-only */
101 }, {
102 .name = "H3XXX rootfs",
103 .size = MTDPART_SIZ_FULL,
104 .offset = 0x00040000,
105 }
106};
107
108static void h3xxx_set_vpp(int vpp)
109{
110 gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp);
111}
112
113static int h3xxx_flash_init(void)
114{
115 int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp");
116 if (err)
117 return err;
118
119 err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0);
120 if (err)
121 gpio_free(H3XXX_EGPIO_VPP_ON);
122
123 return err;
124}
125
126static void h3xxx_flash_exit(void)
127{
128 gpio_free(H3XXX_EGPIO_VPP_ON);
129}
130
131static struct flash_platform_data h3xxx_flash_data = {
132 .map_name = "cfi_probe",
133 .set_vpp = h3xxx_set_vpp,
134 .init = h3xxx_flash_init,
135 .exit = h3xxx_flash_exit,
136 .parts = h3xxx_partitions,
137 .nr_parts = ARRAY_SIZE(h3xxx_partitions),
138};
139
140static struct resource h3xxx_flash_resource = {
141 .start = SA1100_CS0_PHYS,
142 .end = SA1100_CS0_PHYS + SZ_32M - 1,
143 .flags = IORESOURCE_MEM,
144};
145
146
147/*
148 * H3xxx uart support
149 */
150static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl)
151{
152 if (port->mapbase == _Ser3UTCR0) {
153 gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS));
154 }
155}
156
157static u_int h3xxx_uart_get_mctrl(struct uart_port *port)
158{
159 u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
160
161 if (port->mapbase == _Ser3UTCR0) {
162 /*
163 * DCD and CTS bits are inverted in GPLR by RS232 transceiver
164 */
165 if (gpio_get_value(H3XXX_GPIO_COM_DCD))
166 ret &= ~TIOCM_CD;
167 if (gpio_get_value(H3XXX_GPIO_COM_CTS))
168 ret &= ~TIOCM_CTS;
169 }
170
171 return ret;
172}
173
174static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
175{
176 if (port->mapbase == _Ser3UTCR0)
177 if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) {
178 gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state);
179 gpio_free(H3XXX_EGPIO_RS232_ON);
180 }
181}
182
183/*
184 * Enable/Disable wake up events for this serial port.
185 * Obviously, we only support this on the normal COM port.
186 */
187static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable)
188{
189 int err = -EINVAL;
190
191 if (port->mapbase == _Ser3UTCR0) {
192 if (enable)
193 PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */
194 else
195 PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */
196 err = 0;
197 }
198 return err;
199}
200
201static struct sa1100_port_fns h3xxx_port_fns __initdata = {
202 .set_mctrl = h3xxx_uart_set_mctrl,
203 .get_mctrl = h3xxx_uart_get_mctrl,
204 .pm = h3xxx_uart_pm,
205 .set_wake = h3xxx_uart_set_wake,
206};
207
208/*
209 * EGPIO
210 */
211
212static struct resource egpio_resources[] = {
213 [0] = {
214 .start = H3600_EGPIO_PHYS,
215 .end = H3600_EGPIO_PHYS + 0x4 - 1,
216 .flags = IORESOURCE_MEM,
217 },
218};
219
220static struct htc_egpio_chip egpio_chips[] = {
221 [0] = {
222 .reg_start = 0,
223 .gpio_base = H3XXX_EGPIO_BASE,
224 .num_gpios = 16,
225 .direction = HTC_EGPIO_OUTPUT,
226 .initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */
227 },
228};
229
230static struct htc_egpio_platform_data egpio_info = {
231 .reg_width = 16,
232 .bus_width = 16,
233 .chip = egpio_chips,
234 .num_chips = ARRAY_SIZE(egpio_chips),
235};
236
237static struct platform_device h3xxx_egpio = {
238 .name = "htc-egpio",
239 .id = -1,
240 .resource = egpio_resources,
241 .num_resources = ARRAY_SIZE(egpio_resources),
242 .dev = {
243 .platform_data = &egpio_info,
244 },
245};
246
247static struct platform_device *h3xxx_devices[] = {
248 &h3xxx_egpio,
249};
250
251static void __init h3xxx_mach_init(void)
252{
253 sa1100_register_uart_fns(&h3xxx_port_fns);
254 sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
255 platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));
256}
257
258static struct map_desc h3600_io_desc[] __initdata = {
259 { /* static memory bank 2 CS#2 */
260 .virtual = H3600_BANK_2_VIRT,
261 .pfn = __phys_to_pfn(SA1100_CS2_PHYS),
262 .length = 0x02800000,
263 .type = MT_DEVICE
264 }, { /* static memory bank 4 CS#4 */
265 .virtual = H3600_BANK_4_VIRT,
266 .pfn = __phys_to_pfn(SA1100_CS4_PHYS),
267 .length = 0x00800000,
268 .type = MT_DEVICE
269 }, { /* EGPIO 0 CS#5 */
270 .virtual = H3600_EGPIO_VIRT,
271 .pfn = __phys_to_pfn(H3600_EGPIO_PHYS),
272 .length = 0x01000000,
273 .type = MT_DEVICE
274 }
275};
276
277/*
278 * Common map_io initialization
279 */
280
281static void __init h3xxx_map_io(void)
282{
283 sa1100_map_io();
284 iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));
285
286 sa1100_register_uart(0, 3); /* Common serial port */
287// sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */
288
289 /* Ensure those pins are outputs and driving low */
290 PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
291 PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
292
293 /* Configure suspend conditions */
294 PGSR = 0;
295 PWER = PWER_GPIO0;
296 PCFR = PCFR_OPDE;
297 PSDR = 0;
298
299 GPCR = 0x0fffffff; /* All outputs are set low by default */
300 GPDR = 0; /* Configure all GPIOs as input */
301}
302
303/************************* H3100 *************************/
304
305#ifdef CONFIG_SA1100_H3100
306
307/*
308 * helper for sa1100fb
309 */
310static void h3100_lcd_power(int enable)
311{
312 if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
313 gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
314 gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
315 gpio_free(H3XXX_EGPIO_LCD_ON);
316 }
317}
318
319
320static void __init h3100_map_io(void)
321{
322 h3xxx_map_io();
323
324 sa1100fb_lcd_power = h3100_lcd_power;
325
326 /* Older bootldrs put GPIO2-9 in alternate mode on the
327 assumption that they are used for video */
328 GAFR &= ~0x000001fb;
329}
330
331/*
332 * This turns the IRDA power on or off on the Compaq H3100
333 */
334static int h3100_irda_set_power(struct device *dev, unsigned int state)
335{
336 gpio_set_value(H3100_GPIO_IR_ON, state);
337 return 0;
338}
339
340static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
341{
342 gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
343}
344
345static struct irda_platform_data h3100_irda_data = {
346 .set_power = h3100_irda_set_power,
347 .set_speed = h3100_irda_set_speed,
348};
349
350static struct gpio_default_state h3100_default_gpio[] = {
351 { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
352 { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
353 { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
354 { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
355 { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
356 { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
357};
358
359static void __init h3100_mach_init(void)
360{
361 h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
362 h3xxx_mach_init();
363 sa11x0_register_irda(&h3100_irda_data);
364}
365
366MACHINE_START(H3100, "Compaq iPAQ H3100")
367 .phys_io = 0x80000000,
368 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
369 .boot_params = 0xc0000100,
370 .map_io = h3100_map_io,
371 .init_irq = sa1100_init_irq,
372 .timer = &sa1100_timer,
373 .init_machine = h3100_mach_init,
374MACHINE_END
375
376#endif /* CONFIG_SA1100_H3100 */
377
378/************************* H3600 *************************/
379
380#ifdef CONFIG_SA1100_H3600
381
382/* 51/*
383 * helper for sa1100fb 52 * helper for sa1100fb
384 */ 53 */
@@ -483,5 +152,3 @@ MACHINE_START(H3600, "Compaq iPAQ H3600")
483 .init_machine = h3600_mach_init, 152 .init_machine = h3600_mach_init,
484MACHINE_END 153MACHINE_END
485 154
486#endif /* CONFIG_SA1100_H3600 */
487
diff --git a/arch/arm/mach-sa1100/h3xxx.c b/arch/arm/mach-sa1100/h3xxx.c
new file mode 100644
index 000000000000..bb608d437ff8
--- /dev/null
+++ b/arch/arm/mach-sa1100/h3xxx.c
@@ -0,0 +1,292 @@
1/*
2 * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
3 *
4 * Copyright 2000,1 Compaq Computer Corporation.
5 *
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.
9 *
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.
13 *
14 * Author: Jamey Hicks.
15 *
16 * History:
17 *
18 * 2001-10-?? Andrew Christian Added support for iPAQ H3800
19 * and abstracted EGPIO interface.
20 *
21 */
22#include <linux/module.h>
23#include <linux/init.h>
24#include <linux/kernel.h>
25#include <linux/tty.h>
26#include <linux/pm.h>
27#include <linux/device.h>
28#include <linux/mfd/htc-egpio.h>
29#include <linux/mtd/mtd.h>
30#include <linux/mtd/partitions.h>
31#include <linux/serial_core.h>
32#include <linux/gpio.h>
33#include <linux/platform_device.h>
34
35#include <asm/irq.h>
36#include <mach/hardware.h>
37#include <asm/mach-types.h>
38#include <asm/setup.h>
39
40#include <asm/mach/irq.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/flash.h>
43#include <asm/mach/irda.h>
44#include <asm/mach/map.h>
45#include <asm/mach/serial_sa1100.h>
46
47#include <mach/h3xxx.h>
48
49#include "generic.h"
50
51void h3xxx_init_gpio(struct gpio_default_state *s, size_t n)
52{
53 while (n--) {
54 const char *name = s->name;
55 int err;
56
57 if (!name)
58 name = "[init]";
59 err = gpio_request(s->gpio, name);
60 if (err) {
61 printk(KERN_ERR "gpio%u: unable to request: %d\n",
62 s->gpio, err);
63 continue;
64 }
65 if (s->mode >= 0) {
66 err = gpio_direction_output(s->gpio, s->mode);
67 } else {
68 err = gpio_direction_input(s->gpio);
69 }
70 if (err) {
71 printk(KERN_ERR "gpio%u: unable to set direction: %d\n",
72 s->gpio, err);
73 continue;
74 }
75 if (!s->name)
76 gpio_free(s->gpio);
77 s++;
78 }
79}
80
81
82/*
83 * H3xxx flash support
84 */
85static struct mtd_partition h3xxx_partitions[] = {
86 {
87 .name = "H3XXX boot firmware",
88 .size = 0x00040000,
89 .offset = 0,
90 .mask_flags = MTD_WRITEABLE, /* force read-only */
91 }, {
92 .name = "H3XXX rootfs",
93 .size = MTDPART_SIZ_FULL,
94 .offset = 0x00040000,
95 }
96};
97
98static void h3xxx_set_vpp(int vpp)
99{
100 gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp);
101}
102
103static int h3xxx_flash_init(void)
104{
105 int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp");
106 if (err)
107 return err;
108
109 err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0);
110 if (err)
111 gpio_free(H3XXX_EGPIO_VPP_ON);
112
113 return err;
114}
115
116static void h3xxx_flash_exit(void)
117{
118 gpio_free(H3XXX_EGPIO_VPP_ON);
119}
120
121static struct flash_platform_data h3xxx_flash_data = {
122 .map_name = "cfi_probe",
123 .set_vpp = h3xxx_set_vpp,
124 .init = h3xxx_flash_init,
125 .exit = h3xxx_flash_exit,
126 .parts = h3xxx_partitions,
127 .nr_parts = ARRAY_SIZE(h3xxx_partitions),
128};
129
130static struct resource h3xxx_flash_resource = {
131 .start = SA1100_CS0_PHYS,
132 .end = SA1100_CS0_PHYS + SZ_32M - 1,
133 .flags = IORESOURCE_MEM,
134};
135
136
137/*
138 * H3xxx uart support
139 */
140static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl)
141{
142 if (port->mapbase == _Ser3UTCR0) {
143 gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS));
144 }
145}
146
147static u_int h3xxx_uart_get_mctrl(struct uart_port *port)
148{
149 u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
150
151 if (port->mapbase == _Ser3UTCR0) {
152 /*
153 * DCD and CTS bits are inverted in GPLR by RS232 transceiver
154 */
155 if (gpio_get_value(H3XXX_GPIO_COM_DCD))
156 ret &= ~TIOCM_CD;
157 if (gpio_get_value(H3XXX_GPIO_COM_CTS))
158 ret &= ~TIOCM_CTS;
159 }
160
161 return ret;
162}
163
164static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
165{
166 if (port->mapbase == _Ser3UTCR0)
167 if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) {
168 gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state);
169 gpio_free(H3XXX_EGPIO_RS232_ON);
170 }
171}
172
173/*
174 * Enable/Disable wake up events for this serial port.
175 * Obviously, we only support this on the normal COM port.
176 */
177static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable)
178{
179 int err = -EINVAL;
180
181 if (port->mapbase == _Ser3UTCR0) {
182 if (enable)
183 PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */
184 else
185 PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */
186 err = 0;
187 }
188 return err;
189}
190
191static struct sa1100_port_fns h3xxx_port_fns __initdata = {
192 .set_mctrl = h3xxx_uart_set_mctrl,
193 .get_mctrl = h3xxx_uart_get_mctrl,
194 .pm = h3xxx_uart_pm,
195 .set_wake = h3xxx_uart_set_wake,
196};
197
198/*
199 * EGPIO
200 */
201
202static struct resource egpio_resources[] = {
203 [0] = {
204 .start = H3600_EGPIO_PHYS,
205 .end = H3600_EGPIO_PHYS + 0x4 - 1,
206 .flags = IORESOURCE_MEM,
207 },
208};
209
210static struct htc_egpio_chip egpio_chips[] = {
211 [0] = {
212 .reg_start = 0,
213 .gpio_base = H3XXX_EGPIO_BASE,
214 .num_gpios = 16,
215 .direction = HTC_EGPIO_OUTPUT,
216 .initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */
217 },
218};
219
220static struct htc_egpio_platform_data egpio_info = {
221 .reg_width = 16,
222 .bus_width = 16,
223 .chip = egpio_chips,
224 .num_chips = ARRAY_SIZE(egpio_chips),
225};
226
227static struct platform_device h3xxx_egpio = {
228 .name = "htc-egpio",
229 .id = -1,
230 .resource = egpio_resources,
231 .num_resources = ARRAY_SIZE(egpio_resources),
232 .dev = {
233 .platform_data = &egpio_info,
234 },
235};
236
237static struct platform_device *h3xxx_devices[] = {
238 &h3xxx_egpio,
239};
240
241void __init h3xxx_mach_init(void)
242{
243 sa1100_register_uart_fns(&h3xxx_port_fns);
244 sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
245 platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));
246}
247
248static struct map_desc h3600_io_desc[] __initdata = {
249 { /* static memory bank 2 CS#2 */
250 .virtual = H3600_BANK_2_VIRT,
251 .pfn = __phys_to_pfn(SA1100_CS2_PHYS),
252 .length = 0x02800000,
253 .type = MT_DEVICE
254 }, { /* static memory bank 4 CS#4 */
255 .virtual = H3600_BANK_4_VIRT,
256 .pfn = __phys_to_pfn(SA1100_CS4_PHYS),
257 .length = 0x00800000,
258 .type = MT_DEVICE
259 }, { /* EGPIO 0 CS#5 */
260 .virtual = H3600_EGPIO_VIRT,
261 .pfn = __phys_to_pfn(H3600_EGPIO_PHYS),
262 .length = 0x01000000,
263 .type = MT_DEVICE
264 }
265};
266
267/*
268 * Common map_io initialization
269 */
270
271void __init h3xxx_map_io(void)
272{
273 sa1100_map_io();
274 iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));
275
276 sa1100_register_uart(0, 3); /* Common serial port */
277// sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */
278
279 /* Ensure those pins are outputs and driving low */
280 PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
281 PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
282
283 /* Configure suspend conditions */
284 PGSR = 0;
285 PWER = PWER_GPIO0;
286 PCFR = PCFR_OPDE;
287 PSDR = 0;
288
289 GPCR = 0x0fffffff; /* All outputs are set low by default */
290 GPDR = 0; /* Configure all GPIOs as input */
291}
292
diff --git a/arch/arm/mach-sa1100/include/mach/h3xxx.h b/arch/arm/mach-sa1100/include/mach/h3xxx.h
index 7f1e130be949..d8a6e7cee676 100644
--- a/arch/arm/mach-sa1100/include/mach/h3xxx.h
+++ b/arch/arm/mach-sa1100/include/mach/h3xxx.h
@@ -87,4 +87,18 @@
87#define H3600_EGPIO_LCD_5V_ON (H3XXX_EGPIO_BASE + 14) /* enable 5V to LCD. active high. */ 87#define H3600_EGPIO_LCD_5V_ON (H3XXX_EGPIO_BASE + 14) /* enable 5V to LCD. active high. */
88#define H3600_EGPIO_LVDD_ON (H3XXX_EGPIO_BASE + 15) /* enable 9V and -6.5V to LCD. */ 88#define H3600_EGPIO_LVDD_ON (H3XXX_EGPIO_BASE + 15) /* enable 9V and -6.5V to LCD. */
89 89
90struct gpio_default_state {
91 int gpio;
92 int mode;
93 const char *name;
94};
95
96#define GPIO_MODE_IN -1
97#define GPIO_MODE_OUT0 0
98#define GPIO_MODE_OUT1 1
99
100void h3xxx_init_gpio(struct gpio_default_state *s, size_t n);
101void __init h3xxx_map_io(void);
102void __init h3xxx_mach_init(void);
103
90#endif /* _INCLUDE_H3XXX_H_ */ 104#endif /* _INCLUDE_H3XXX_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-19 22:04:00 -0400