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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 /arch/arm/mach-sa1100/h3600.c
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 (limited to 'arch/arm/mach-sa1100/h3600.c')
-rw-r--r--arch/arm/mach-sa1100/h3600.c333
1 files changed, 0 insertions, 333 deletions
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
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