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-rw-r--r--arch/arm/mach-omap1/board-h3.c277
1 files changed, 264 insertions, 13 deletions
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index d9f386265996..4b8d0ec73cb7 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -21,8 +21,11 @@
21#include <linux/kernel.h> 21#include <linux/kernel.h>
22#include <linux/platform_device.h> 22#include <linux/platform_device.h>
23#include <linux/errno.h> 23#include <linux/errno.h>
24#include <linux/workqueue.h>
24#include <linux/mtd/mtd.h> 25#include <linux/mtd/mtd.h>
26#include <linux/mtd/nand.h>
25#include <linux/mtd/partitions.h> 27#include <linux/mtd/partitions.h>
28#include <linux/input.h>
26 29
27#include <asm/setup.h> 30#include <asm/setup.h>
28#include <asm/page.h> 31#include <asm/page.h>
@@ -33,15 +36,59 @@
33#include <asm/mach/map.h> 36#include <asm/mach/map.h>
34 37
35#include <asm/arch/gpio.h> 38#include <asm/arch/gpio.h>
39#include <asm/arch/gpioexpander.h>
36#include <asm/arch/irqs.h> 40#include <asm/arch/irqs.h>
37#include <asm/arch/mux.h> 41#include <asm/arch/mux.h>
38#include <asm/arch/tc.h> 42#include <asm/arch/tc.h>
43#include <asm/arch/irda.h>
39#include <asm/arch/usb.h> 44#include <asm/arch/usb.h>
45#include <asm/arch/keypad.h>
46#include <asm/arch/dma.h>
40#include <asm/arch/common.h> 47#include <asm/arch/common.h>
41 48
42extern int omap_gpio_init(void); 49extern int omap_gpio_init(void);
43 50
44static struct mtd_partition h3_partitions[] = { 51static int h3_keymap[] = {
52 KEY(0, 0, KEY_LEFT),
53 KEY(0, 1, KEY_RIGHT),
54 KEY(0, 2, KEY_3),
55 KEY(0, 3, KEY_F10),
56 KEY(0, 4, KEY_F5),
57 KEY(0, 5, KEY_9),
58 KEY(1, 0, KEY_DOWN),
59 KEY(1, 1, KEY_UP),
60 KEY(1, 2, KEY_2),
61 KEY(1, 3, KEY_F9),
62 KEY(1, 4, KEY_F7),
63 KEY(1, 5, KEY_0),
64 KEY(2, 0, KEY_ENTER),
65 KEY(2, 1, KEY_6),
66 KEY(2, 2, KEY_1),
67 KEY(2, 3, KEY_F2),
68 KEY(2, 4, KEY_F6),
69 KEY(2, 5, KEY_HOME),
70 KEY(3, 0, KEY_8),
71 KEY(3, 1, KEY_5),
72 KEY(3, 2, KEY_F12),
73 KEY(3, 3, KEY_F3),
74 KEY(3, 4, KEY_F8),
75 KEY(3, 5, KEY_END),
76 KEY(4, 0, KEY_7),
77 KEY(4, 1, KEY_4),
78 KEY(4, 2, KEY_F11),
79 KEY(4, 3, KEY_F1),
80 KEY(4, 4, KEY_F4),
81 KEY(4, 5, KEY_ESC),
82 KEY(5, 0, KEY_F13),
83 KEY(5, 1, KEY_F14),
84 KEY(5, 2, KEY_F15),
85 KEY(5, 3, KEY_F16),
86 KEY(5, 4, KEY_SLEEP),
87 0
88};
89
90
91static struct mtd_partition nor_partitions[] = {
45 /* bootloader (U-Boot, etc) in first sector */ 92 /* bootloader (U-Boot, etc) in first sector */
46 { 93 {
47 .name = "bootloader", 94 .name = "bootloader",
@@ -72,26 +119,80 @@ static struct mtd_partition h3_partitions[] = {
72 } 119 }
73}; 120};
74 121
75static struct flash_platform_data h3_flash_data = { 122static struct flash_platform_data nor_data = {
76 .map_name = "cfi_probe", 123 .map_name = "cfi_probe",
77 .width = 2, 124 .width = 2,
78 .parts = h3_partitions, 125 .parts = nor_partitions,
79 .nr_parts = ARRAY_SIZE(h3_partitions), 126 .nr_parts = ARRAY_SIZE(nor_partitions),
80}; 127};
81 128
82static struct resource h3_flash_resource = { 129static struct resource nor_resource = {
83 /* This is on CS3, wherever it's mapped */ 130 /* This is on CS3, wherever it's mapped */
84 .flags = IORESOURCE_MEM, 131 .flags = IORESOURCE_MEM,
85}; 132};
86 133
87static struct platform_device flash_device = { 134static struct platform_device nor_device = {
88 .name = "omapflash", 135 .name = "omapflash",
89 .id = 0, 136 .id = 0,
90 .dev = { 137 .dev = {
91 .platform_data = &h3_flash_data, 138 .platform_data = &nor_data,
139 },
140 .num_resources = 1,
141 .resource = &nor_resource,
142};
143
144static struct mtd_partition nand_partitions[] = {
145#if 0
146 /* REVISIT: enable these partitions if you make NAND BOOT work */
147 {
148 .name = "xloader",
149 .offset = 0,
150 .size = 64 * 1024,
151 .mask_flags = MTD_WRITEABLE, /* force read-only */
152 },
153 {
154 .name = "bootloader",
155 .offset = MTDPART_OFS_APPEND,
156 .size = 256 * 1024,
157 .mask_flags = MTD_WRITEABLE, /* force read-only */
158 },
159 {
160 .name = "params",
161 .offset = MTDPART_OFS_APPEND,
162 .size = 192 * 1024,
163 },
164 {
165 .name = "kernel",
166 .offset = MTDPART_OFS_APPEND,
167 .size = 2 * SZ_1M,
168 },
169#endif
170 {
171 .name = "filesystem",
172 .size = MTDPART_SIZ_FULL,
173 .offset = MTDPART_OFS_APPEND,
174 },
175};
176
177/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
178static struct nand_platform_data nand_data = {
179 .options = NAND_SAMSUNG_LP_OPTIONS,
180 .parts = nand_partitions,
181 .nr_parts = ARRAY_SIZE(nand_partitions),
182};
183
184static struct resource nand_resource = {
185 .flags = IORESOURCE_MEM,
186};
187
188static struct platform_device nand_device = {
189 .name = "omapnand",
190 .id = 0,
191 .dev = {
192 .platform_data = &nand_data,
92 }, 193 },
93 .num_resources = 1, 194 .num_resources = 1,
94 .resource = &h3_flash_resource, 195 .resource = &nand_resource,
95}; 196};
96 197
97static struct resource smc91x_resources[] = { 198static struct resource smc91x_resources[] = {
@@ -138,10 +239,136 @@ static struct platform_device intlat_device = {
138 .resource = intlat_resources, 239 .resource = intlat_resources,
139}; 240};
140 241
242static struct resource h3_kp_resources[] = {
243 [0] = {
244 .start = INT_KEYBOARD,
245 .end = INT_KEYBOARD,
246 .flags = IORESOURCE_IRQ,
247 },
248};
249
250static struct omap_kp_platform_data h3_kp_data = {
251 .rows = 8,
252 .cols = 8,
253 .keymap = h3_keymap,
254 .rep = 1,
255};
256
257static struct platform_device h3_kp_device = {
258 .name = "omap-keypad",
259 .id = -1,
260 .dev = {
261 .platform_data = &h3_kp_data,
262 },
263 .num_resources = ARRAY_SIZE(h3_kp_resources),
264 .resource = h3_kp_resources,
265};
266
267
268/* Select between the IrDA and aGPS module
269 */
270static int h3_select_irda(struct device *dev, int state)
271{
272 unsigned char expa;
273 int err = 0;
274
275 if ((err = read_gpio_expa(&expa, 0x26))) {
276 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
277 return err;
278 }
279
280 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
281 if (state & IR_SEL) { /* IrDA */
282 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
283 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
284 return err;
285 }
286 } else {
287 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
288 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
289 return err;
290 }
291 }
292 return err;
293}
294
295static void set_trans_mode(void *data)
296{
297 int *mode = data;
298 unsigned char expa;
299 int err = 0;
300
301 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
302 printk(KERN_ERR "Error reading from I/O expander\n");
303 }
304
305 expa &= ~0x03;
306
307 if (*mode & IR_SIRMODE) {
308 expa |= 0x01;
309 } else { /* MIR/FIR */
310 expa |= 0x03;
311 }
312
313 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
314 printk(KERN_ERR "Error writing to I/O expander\n");
315 }
316}
317
318static int h3_transceiver_mode(struct device *dev, int mode)
319{
320 struct omap_irda_config *irda_config = dev->platform_data;
321
322 cancel_delayed_work(&irda_config->gpio_expa);
323 PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
324 schedule_work(&irda_config->gpio_expa);
325
326 return 0;
327}
328
329static struct omap_irda_config h3_irda_data = {
330 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
331 .transceiver_mode = h3_transceiver_mode,
332 .select_irda = h3_select_irda,
333 .rx_channel = OMAP_DMA_UART3_RX,
334 .tx_channel = OMAP_DMA_UART3_TX,
335 .dest_start = UART3_THR,
336 .src_start = UART3_RHR,
337 .tx_trigger = 0,
338 .rx_trigger = 0,
339};
340
341static struct resource h3_irda_resources[] = {
342 [0] = {
343 .start = INT_UART3,
344 .end = INT_UART3,
345 .flags = IORESOURCE_IRQ,
346 },
347};
348
349static struct platform_device h3_irda_device = {
350 .name = "omapirda",
351 .id = 0,
352 .dev = {
353 .platform_data = &h3_irda_data,
354 },
355 .num_resources = ARRAY_SIZE(h3_irda_resources),
356 .resource = h3_irda_resources,
357};
358
359static struct platform_device h3_lcd_device = {
360 .name = "lcd_h3",
361 .id = -1,
362};
363
141static struct platform_device *devices[] __initdata = { 364static struct platform_device *devices[] __initdata = {
142 &flash_device, 365 &nor_device,
366 &nand_device,
143 &smc91x_device, 367 &smc91x_device,
144 &intlat_device, 368 &intlat_device,
369 &h3_irda_device,
370 &h3_kp_device,
371 &h3_lcd_device,
145}; 372};
146 373
147static struct omap_usb_config h3_usb_config __initdata = { 374static struct omap_usb_config h3_usb_config __initdata = {
@@ -171,7 +398,6 @@ static struct omap_uart_config h3_uart_config __initdata = {
171}; 398};
172 399
173static struct omap_lcd_config h3_lcd_config __initdata = { 400static struct omap_lcd_config h3_lcd_config __initdata = {
174 .panel_name = "h3",
175 .ctrl_name = "internal", 401 .ctrl_name = "internal",
176}; 402};
177 403
@@ -182,11 +408,36 @@ static struct omap_board_config_kernel h3_config[] = {
182 { OMAP_TAG_LCD, &h3_lcd_config }, 408 { OMAP_TAG_LCD, &h3_lcd_config },
183}; 409};
184 410
411#define H3_NAND_RB_GPIO_PIN 10
412
413static int nand_dev_ready(struct nand_platform_data *data)
414{
415 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
416}
417
185static void __init h3_init(void) 418static void __init h3_init(void)
186{ 419{
187 h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys(); 420 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
188 h3_flash_resource.end += OMAP_CS3_SIZE - 1; 421 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
189 (void) platform_add_devices(devices, ARRAY_SIZE(devices)); 422 * notice whether a NAND chip is enabled at probe time.
423 *
424 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
425 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
426 * to avoid probing every possible flash configuration...
427 */
428 nor_resource.end = nor_resource.start = omap_cs3_phys();
429 nor_resource.end += SZ_32M - 1;
430
431 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
432 nand_resource.end += SZ_4K - 1;
433 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
434 nand_data.dev_ready = nand_dev_ready;
435
436 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
437 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
438 omap_cfg_reg(V2_1710_GPIO10);
439
440 platform_add_devices(devices, ARRAY_SIZE(devices));
190 omap_board_config = h3_config; 441 omap_board_config = h3_config;
191 omap_board_config_size = ARRAY_SIZE(h3_config); 442 omap_board_config_size = ARRAY_SIZE(h3_config);
192 omap_serial_init(); 443 omap_serial_init();