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omap: cleanup unused davinci mdio arch code
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-omap2 / board-am3517evm.c
blob5225df66ebd5098b7696b144db814ce3e9c76a92
1 /*
2 * linux/arch/arm/mach-omap2/board-am3517evm.c
3 *
4 * Copyright (C) 2009 Texas Instruments Incorporated
5 * Author: Ranjith Lohithakshan <ranjithl@ti.com>
6 *
7 * Based on mach-omap2/board-omap3evm.c
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation version 2.
12 *
13 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
14 * whether express or implied; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 */
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/clk.h>
22 #include <linux/platform_device.h>
23 #include <linux/gpio.h>
24 #include <linux/i2c/pca953x.h>
25 #include <linux/can/platform/ti_hecc.h>
26 #include <linux/davinci_emac.h>
27
28 #include <mach/hardware.h>
29 #include <mach/am35xx.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <plat/board.h>
35 #include <plat/common.h>
36 #include <plat/control.h>
37 #include <plat/usb.h>
38 #include <plat/display.h>
39
40 #include "mux.h"
41
42 #define AM35XX_EVM_MDIO_FREQUENCY (1000000)
43
44 static struct mdio_platform_data am3517_evm_mdio_pdata = {
45 .bus_freq = AM35XX_EVM_MDIO_FREQUENCY,
46 };
47
48 static struct resource am3517_mdio_resources[] = {
49 {
50 .start = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET,
51 .end = AM35XX_IPSS_EMAC_BASE + AM35XX_EMAC_MDIO_OFFSET +
52 SZ_4K - 1,
53 .flags = IORESOURCE_MEM,
54 },
55 };
56
57 static struct platform_device am3517_mdio_device = {
58 .name = "davinci_mdio",
59 .id = 0,
60 .num_resources = ARRAY_SIZE(am3517_mdio_resources),
61 .resource = am3517_mdio_resources,
62 .dev.platform_data = &am3517_evm_mdio_pdata,
63 };
64
65 static struct emac_platform_data am3517_evm_emac_pdata = {
66 .rmii_en = 1,
67 };
68
69 static struct resource am3517_emac_resources[] = {
70 {
71 .start = AM35XX_IPSS_EMAC_BASE,
72 .end = AM35XX_IPSS_EMAC_BASE + 0x2FFFF,
73 .flags = IORESOURCE_MEM,
74 },
75 {
76 .start = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
77 .end = INT_35XX_EMAC_C0_RXTHRESH_IRQ,
78 .flags = IORESOURCE_IRQ,
79 },
80 {
81 .start = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
82 .end = INT_35XX_EMAC_C0_RX_PULSE_IRQ,
83 .flags = IORESOURCE_IRQ,
84 },
85 {
86 .start = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
87 .end = INT_35XX_EMAC_C0_TX_PULSE_IRQ,
88 .flags = IORESOURCE_IRQ,
89 },
90 {
91 .start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
92 .end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ,
93 .flags = IORESOURCE_IRQ,
94 },
95 };
96
97 static struct platform_device am3517_emac_device = {
98 .name = "davinci_emac",
99 .id = -1,
100 .num_resources = ARRAY_SIZE(am3517_emac_resources),
101 .resource = am3517_emac_resources,
102 };
103
104 static void am3517_enable_ethernet_int(void)
105 {
106 u32 regval;
107
108 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
109 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
110 AM35XX_CPGMAC_C0_TX_PULSE_CLR |
111 AM35XX_CPGMAC_C0_MISC_PULSE_CLR |
112 AM35XX_CPGMAC_C0_RX_THRESH_CLR);
113 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
114 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
115 }
116
117 static void am3517_disable_ethernet_int(void)
118 {
119 u32 regval;
120
121 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
122 regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR |
123 AM35XX_CPGMAC_C0_TX_PULSE_CLR);
124 omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
125 regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
126 }
127
128 void am3517_evm_ethernet_init(struct emac_platform_data *pdata)
129 {
130 unsigned int regval;
131
132 pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET;
133 pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET;
134 pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET;
135 pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE;
136 pdata->version = EMAC_VERSION_2;
137 pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR;
138 pdata->interrupt_enable = am3517_enable_ethernet_int;
139 pdata->interrupt_disable = am3517_disable_ethernet_int;
140 am3517_emac_device.dev.platform_data = pdata;
141 platform_device_register(&am3517_emac_device);
142 platform_device_register(&am3517_mdio_device);
143 clk_add_alias(NULL, dev_name(&am3517_mdio_device.dev),
144 NULL, &am3517_emac_device.dev);
145
146 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
147 regval = regval & (~(AM35XX_CPGMACSS_SW_RST));
148 omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
149 regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
150
151 return ;
152 }
153
154
155
156 #define LCD_PANEL_PWR 176
157 #define LCD_PANEL_BKLIGHT_PWR 182
158 #define LCD_PANEL_PWM 181
159
160 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
161 {
162 I2C_BOARD_INFO("s35390a", 0x30),
163 .type = "s35390a",
164 },
165 };
166
167 /*
168 * RTC - S35390A
169 */
170 #define GPIO_RTCS35390A_IRQ 55
171
172 static void __init am3517_evm_rtc_init(void)
173 {
174 int r;
175
176 omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
177 r = gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
178 if (r < 0) {
179 printk(KERN_WARNING "failed to request GPIO#%d\n",
180 GPIO_RTCS35390A_IRQ);
181 return;
182 }
183 r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
184 if (r < 0) {
185 printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
186 GPIO_RTCS35390A_IRQ);
187 gpio_free(GPIO_RTCS35390A_IRQ);
188 return;
189 }
190 am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
191 }
192
193 /*
194 * I2C GPIO Expander - TCA6416
195 */
196
197 /* Mounted on Base-Board */
198 static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
199 .gpio_base = OMAP_MAX_GPIO_LINES,
200 };
201 static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
202 {
203 I2C_BOARD_INFO("tca6416", 0x21),
204 .platform_data = &am3517evm_gpio_expander_info_0,
205 },
206 };
207
208 /* Mounted on UI Card */
209 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
210 .gpio_base = OMAP_MAX_GPIO_LINES + 16,
211 };
212 static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
213 .gpio_base = OMAP_MAX_GPIO_LINES + 32,
214 };
215 static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
216 {
217 I2C_BOARD_INFO("tca6416", 0x20),
218 .platform_data = &am3517evm_ui_gpio_expander_info_1,
219 },
220 {
221 I2C_BOARD_INFO("tca6416", 0x21),
222 .platform_data = &am3517evm_ui_gpio_expander_info_2,
223 },
224 };
225
226 static int __init am3517_evm_i2c_init(void)
227 {
228 omap_register_i2c_bus(1, 400, NULL, 0);
229 omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
230 ARRAY_SIZE(am3517evm_i2c2_boardinfo));
231 omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
232 ARRAY_SIZE(am3517evm_i2c3_boardinfo));
233
234 return 0;
235 }
236
237 static int lcd_enabled;
238 static int dvi_enabled;
239
240 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
241 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
242 static void __init am3517_evm_display_init(void)
243 {
244 int r;
245
246 omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
247 omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
248 omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
249 /*
250 * Enable GPIO 182 = LCD Backlight Power
251 */
252 r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr");
253 if (r) {
254 printk(KERN_ERR "failed to get lcd_backlight_pwr\n");
255 return;
256 }
257 gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1);
258 /*
259 * Enable GPIO 181 = LCD Panel PWM
260 */
261 r = gpio_request(LCD_PANEL_PWM, "lcd_pwm");
262 if (r) {
263 printk(KERN_ERR "failed to get lcd_pwm\n");
264 goto err_1;
265 }
266 gpio_direction_output(LCD_PANEL_PWM, 1);
267 /*
268 * Enable GPIO 176 = LCD Panel Power enable pin
269 */
270 r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr");
271 if (r) {
272 printk(KERN_ERR "failed to get lcd_panel_pwr\n");
273 goto err_2;
274 }
275 gpio_direction_output(LCD_PANEL_PWR, 1);
276
277 printk(KERN_INFO "Display initialized successfully\n");
278 return;
279
280 err_2:
281 gpio_free(LCD_PANEL_PWM);
282 err_1:
283 gpio_free(LCD_PANEL_BKLIGHT_PWR);
284 }
285 #else
286 static void __init am3517_evm_display_init(void) {}
287 #endif
288
289 static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
290 {
291 if (dvi_enabled) {
292 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
293 return -EINVAL;
294 }
295 gpio_set_value(LCD_PANEL_PWR, 1);
296 lcd_enabled = 1;
297
298 return 0;
299 }
300
301 static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
302 {
303 gpio_set_value(LCD_PANEL_PWR, 0);
304 lcd_enabled = 0;
305 }
306
307 static struct omap_dss_device am3517_evm_lcd_device = {
308 .type = OMAP_DISPLAY_TYPE_DPI,
309 .name = "lcd",
310 .driver_name = "sharp_lq_panel",
311 .phy.dpi.data_lines = 16,
312 .platform_enable = am3517_evm_panel_enable_lcd,
313 .platform_disable = am3517_evm_panel_disable_lcd,
314 };
315
316 static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
317 {
318 return 0;
319 }
320
321 static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
322 {
323 }
324
325 static struct omap_dss_device am3517_evm_tv_device = {
326 .type = OMAP_DISPLAY_TYPE_VENC,
327 .name = "tv",
328 .driver_name = "venc",
329 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
330 .platform_enable = am3517_evm_panel_enable_tv,
331 .platform_disable = am3517_evm_panel_disable_tv,
332 };
333
334 static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
335 {
336 if (lcd_enabled) {
337 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
338 return -EINVAL;
339 }
340 dvi_enabled = 1;
341
342 return 0;
343 }
344
345 static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
346 {
347 dvi_enabled = 0;
348 }
349
350 static struct omap_dss_device am3517_evm_dvi_device = {
351 .type = OMAP_DISPLAY_TYPE_DPI,
352 .name = "dvi",
353 .driver_name = "generic_panel",
354 .phy.dpi.data_lines = 24,
355 .platform_enable = am3517_evm_panel_enable_dvi,
356 .platform_disable = am3517_evm_panel_disable_dvi,
357 };
358
359 static struct omap_dss_device *am3517_evm_dss_devices[] = {
360 &am3517_evm_lcd_device,
361 &am3517_evm_tv_device,
362 &am3517_evm_dvi_device,
363 };
364
365 static struct omap_dss_board_info am3517_evm_dss_data = {
366 .num_devices = ARRAY_SIZE(am3517_evm_dss_devices),
367 .devices = am3517_evm_dss_devices,
368 .default_device = &am3517_evm_lcd_device,
369 };
370
371 struct platform_device am3517_evm_dss_device = {
372 .name = "omapdss",
373 .id = -1,
374 .dev = {
375 .platform_data = &am3517_evm_dss_data,
376 },
377 };
378
379 /*
380 * Board initialization
381 */
382 static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
383 };
384
385 static struct platform_device *am3517_evm_devices[] __initdata = {
386 &am3517_evm_dss_device,
387 };
388
389 static void __init am3517_evm_init_irq(void)
390 {
391 omap_board_config = am3517_evm_config;
392 omap_board_config_size = ARRAY_SIZE(am3517_evm_config);
393
394 omap2_init_common_hw(NULL, NULL);
395 omap_init_irq();
396 omap_gpio_init();
397 }
398
399 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
400 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
401 #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
402 defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
403 .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
404 #else
405 .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
406 #endif
407 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
408
409 .phy_reset = true,
410 .reset_gpio_port[0] = 57,
411 .reset_gpio_port[1] = -EINVAL,
412 .reset_gpio_port[2] = -EINVAL
413 };
414
415 #ifdef CONFIG_OMAP_MUX
416 static struct omap_board_mux board_mux[] __initdata = {
417 { .reg_offset = OMAP_MUX_TERMINATOR },
418 };
419 #else
420 #define board_mux NULL
421 #endif
422
423
424 static struct resource am3517_hecc_resources[] = {
425 {
426 .start = AM35XX_IPSS_HECC_BASE,
427 .end = AM35XX_IPSS_HECC_BASE + 0x3FFF,
428 .flags = IORESOURCE_MEM,
429 },
430 {
431 .start = INT_35XX_HECC0_IRQ,
432 .end = INT_35XX_HECC0_IRQ,
433 .flags = IORESOURCE_IRQ,
434 },
435 };
436
437 static struct platform_device am3517_hecc_device = {
438 .name = "ti_hecc",
439 .id = -1,
440 .num_resources = ARRAY_SIZE(am3517_hecc_resources),
441 .resource = am3517_hecc_resources,
442 };
443
444 static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
445 .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET,
446 .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET,
447 .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET,
448 .mbx_offset = AM35XX_HECC_MBOX_OFFSET,
449 .int_line = AM35XX_HECC_INT_LINE,
450 .version = AM35XX_HECC_VERSION,
451 };
452
453 static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
454 {
455 am3517_hecc_device.dev.platform_data = pdata;
456 platform_device_register(&am3517_hecc_device);
457 }
458
459 static void __init am3517_evm_init(void)
460 {
461 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
462
463 am3517_evm_i2c_init();
464 platform_add_devices(am3517_evm_devices,
465 ARRAY_SIZE(am3517_evm_devices));
466
467 omap_serial_init();
468
469 /* Configure GPIO for EHCI port */
470 omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
471 usb_ehci_init(&ehci_pdata);
472 am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
473 /* DSS */
474 am3517_evm_display_init();
475
476 /* RTC - S35390A */
477 am3517_evm_rtc_init();
478
479 i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
480 ARRAY_SIZE(am3517evm_i2c1_boardinfo));
481 /*Ethernet*/
482 am3517_evm_ethernet_init(&am3517_evm_emac_pdata);
483 }
484
485 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
486 .phys_io = 0x48000000,
487 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
488 .boot_params = 0x80000100,
489 .map_io = omap3_map_io,
490 .reserve = omap_reserve,
491 .init_irq = am3517_evm_init_irq,
492 .init_machine = am3517_evm_init,
493 .timer = &omap_timer,
494 MACHINE_END
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