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c625327e RL |
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/platform_device.h> | |
22 | #include <linux/gpio.h> | |
5d4292a5 | 23 | #include <linux/i2c/pca953x.h> |
91733631 | 24 | #include <linux/can/platform/ti_hecc.h> |
56881d28 | 25 | #include <linux/davinci_emac.h> |
c625327e RL |
26 | |
27 | #include <mach/hardware.h> | |
e3d4d0a2 | 28 | #include <mach/am35xx.h> |
c625327e RL |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | ||
33 | #include <plat/board.h> | |
34 | #include <plat/common.h> | |
56881d28 | 35 | #include <plat/control.h> |
c625327e | 36 | #include <plat/usb.h> |
c3d33329 | 37 | #include <plat/display.h> |
c625327e | 38 | |
ca5742bd TL |
39 | #include "mux.h" |
40 | ||
56881d28 S |
41 | #define AM35XX_EVM_PHY_MASK (0xF) |
42 | #define AM35XX_EVM_MDIO_FREQUENCY (1000000) | |
43 | ||
44 | static struct emac_platform_data am3517_evm_emac_pdata = { | |
45 | .phy_mask = AM35XX_EVM_PHY_MASK, | |
46 | .mdio_max_freq = AM35XX_EVM_MDIO_FREQUENCY, | |
47 | .rmii_en = 1, | |
48 | }; | |
49 | ||
50 | static struct resource am3517_emac_resources[] = { | |
51 | { | |
52 | .start = AM35XX_IPSS_EMAC_BASE, | |
53 | .end = AM35XX_IPSS_EMAC_BASE + 0x3FFFF, | |
54 | .flags = IORESOURCE_MEM, | |
55 | }, | |
56 | { | |
57 | .start = INT_35XX_EMAC_C0_RXTHRESH_IRQ, | |
58 | .end = INT_35XX_EMAC_C0_RXTHRESH_IRQ, | |
59 | .flags = IORESOURCE_IRQ, | |
60 | }, | |
61 | { | |
62 | .start = INT_35XX_EMAC_C0_RX_PULSE_IRQ, | |
63 | .end = INT_35XX_EMAC_C0_RX_PULSE_IRQ, | |
64 | .flags = IORESOURCE_IRQ, | |
65 | }, | |
66 | { | |
67 | .start = INT_35XX_EMAC_C0_TX_PULSE_IRQ, | |
68 | .end = INT_35XX_EMAC_C0_TX_PULSE_IRQ, | |
69 | .flags = IORESOURCE_IRQ, | |
70 | }, | |
71 | { | |
72 | .start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ, | |
73 | .end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ, | |
74 | .flags = IORESOURCE_IRQ, | |
75 | }, | |
76 | }; | |
77 | ||
78 | static struct platform_device am3517_emac_device = { | |
79 | .name = "davinci_emac", | |
80 | .id = -1, | |
81 | .num_resources = ARRAY_SIZE(am3517_emac_resources), | |
82 | .resource = am3517_emac_resources, | |
83 | }; | |
84 | ||
85 | static void am3517_enable_ethernet_int(void) | |
86 | { | |
87 | u32 regval; | |
88 | ||
89 | regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
90 | regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | | |
91 | AM35XX_CPGMAC_C0_TX_PULSE_CLR | | |
92 | AM35XX_CPGMAC_C0_MISC_PULSE_CLR | | |
93 | AM35XX_CPGMAC_C0_RX_THRESH_CLR); | |
94 | omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
95 | regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
96 | } | |
97 | ||
98 | static void am3517_disable_ethernet_int(void) | |
99 | { | |
100 | u32 regval; | |
101 | ||
102 | regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
103 | regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | | |
104 | AM35XX_CPGMAC_C0_TX_PULSE_CLR); | |
105 | omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
106 | regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
107 | } | |
108 | ||
109 | void am3517_evm_ethernet_init(struct emac_platform_data *pdata) | |
110 | { | |
111 | unsigned int regval; | |
112 | ||
113 | pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET; | |
114 | pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET; | |
115 | pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET; | |
116 | pdata->mdio_reg_offset = AM35XX_EMAC_MDIO_OFFSET; | |
117 | pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE; | |
118 | pdata->version = EMAC_VERSION_2; | |
119 | pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR; | |
120 | pdata->interrupt_enable = am3517_enable_ethernet_int; | |
121 | pdata->interrupt_disable = am3517_disable_ethernet_int; | |
122 | am3517_emac_device.dev.platform_data = pdata; | |
123 | platform_device_register(&am3517_emac_device); | |
124 | ||
125 | regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); | |
126 | regval = regval & (~(AM35XX_CPGMACSS_SW_RST)); | |
127 | omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); | |
128 | regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); | |
129 | ||
130 | return ; | |
131 | } | |
132 | ||
133 | ||
134 | ||
c3d33329 VH |
135 | #define LCD_PANEL_PWR 176 |
136 | #define LCD_PANEL_BKLIGHT_PWR 182 | |
137 | #define LCD_PANEL_PWM 181 | |
138 | ||
b91da669 | 139 | static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = { |
f2afbbb8 VH |
140 | { |
141 | I2C_BOARD_INFO("s35390a", 0x30), | |
142 | .type = "s35390a", | |
143 | }, | |
144 | }; | |
145 | ||
146 | /* | |
147 | * RTC - S35390A | |
148 | */ | |
149 | #define GPIO_RTCS35390A_IRQ 55 | |
150 | ||
151 | static void __init am3517_evm_rtc_init(void) | |
152 | { | |
153 | int r; | |
154 | ||
155 | omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP); | |
156 | r = gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq"); | |
157 | if (r < 0) { | |
158 | printk(KERN_WARNING "failed to request GPIO#%d\n", | |
159 | GPIO_RTCS35390A_IRQ); | |
160 | return; | |
161 | } | |
162 | r = gpio_direction_input(GPIO_RTCS35390A_IRQ); | |
163 | if (r < 0) { | |
164 | printk(KERN_WARNING "GPIO#%d cannot be configured as input\n", | |
165 | GPIO_RTCS35390A_IRQ); | |
166 | gpio_free(GPIO_RTCS35390A_IRQ); | |
167 | return; | |
168 | } | |
b91da669 | 169 | am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ); |
f2afbbb8 VH |
170 | } |
171 | ||
5d4292a5 VH |
172 | /* |
173 | * I2C GPIO Expander - TCA6416 | |
174 | */ | |
175 | ||
176 | /* Mounted on Base-Board */ | |
177 | static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = { | |
178 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
179 | }; | |
b91da669 | 180 | static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = { |
5d4292a5 VH |
181 | { |
182 | I2C_BOARD_INFO("tca6416", 0x21), | |
183 | .platform_data = &am3517evm_gpio_expander_info_0, | |
184 | }, | |
185 | }; | |
186 | ||
187 | /* Mounted on UI Card */ | |
188 | static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = { | |
189 | .gpio_base = OMAP_MAX_GPIO_LINES + 16, | |
190 | }; | |
191 | static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = { | |
192 | .gpio_base = OMAP_MAX_GPIO_LINES + 32, | |
193 | }; | |
b91da669 | 194 | static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = { |
5d4292a5 VH |
195 | { |
196 | I2C_BOARD_INFO("tca6416", 0x20), | |
197 | .platform_data = &am3517evm_ui_gpio_expander_info_1, | |
198 | }, | |
199 | { | |
200 | I2C_BOARD_INFO("tca6416", 0x21), | |
201 | .platform_data = &am3517evm_ui_gpio_expander_info_2, | |
202 | }, | |
203 | }; | |
204 | ||
1f738dc3 VH |
205 | static int __init am3517_evm_i2c_init(void) |
206 | { | |
207 | omap_register_i2c_bus(1, 400, NULL, 0); | |
b91da669 | 208 | omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo, |
209 | ARRAY_SIZE(am3517evm_i2c2_boardinfo)); | |
210 | omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo, | |
211 | ARRAY_SIZE(am3517evm_i2c3_boardinfo)); | |
1f738dc3 VH |
212 | |
213 | return 0; | |
214 | } | |
215 | ||
c3d33329 VH |
216 | static int lcd_enabled; |
217 | static int dvi_enabled; | |
218 | ||
de997718 AKG |
219 | #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ |
220 | defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) | |
c3d33329 VH |
221 | static void __init am3517_evm_display_init(void) |
222 | { | |
223 | int r; | |
224 | ||
225 | omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); | |
226 | omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); | |
227 | omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); | |
228 | /* | |
229 | * Enable GPIO 182 = LCD Backlight Power | |
230 | */ | |
231 | r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr"); | |
232 | if (r) { | |
233 | printk(KERN_ERR "failed to get lcd_backlight_pwr\n"); | |
234 | return; | |
235 | } | |
236 | gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1); | |
237 | /* | |
238 | * Enable GPIO 181 = LCD Panel PWM | |
239 | */ | |
240 | r = gpio_request(LCD_PANEL_PWM, "lcd_pwm"); | |
241 | if (r) { | |
242 | printk(KERN_ERR "failed to get lcd_pwm\n"); | |
243 | goto err_1; | |
244 | } | |
245 | gpio_direction_output(LCD_PANEL_PWM, 1); | |
246 | /* | |
247 | * Enable GPIO 176 = LCD Panel Power enable pin | |
248 | */ | |
249 | r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr"); | |
250 | if (r) { | |
251 | printk(KERN_ERR "failed to get lcd_panel_pwr\n"); | |
252 | goto err_2; | |
253 | } | |
254 | gpio_direction_output(LCD_PANEL_PWR, 1); | |
255 | ||
256 | printk(KERN_INFO "Display initialized successfully\n"); | |
257 | return; | |
258 | ||
259 | err_2: | |
260 | gpio_free(LCD_PANEL_PWM); | |
261 | err_1: | |
262 | gpio_free(LCD_PANEL_BKLIGHT_PWR); | |
263 | } | |
de997718 AKG |
264 | #else |
265 | static void __init am3517_evm_display_init(void) {} | |
266 | #endif | |
c3d33329 VH |
267 | |
268 | static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev) | |
269 | { | |
270 | if (dvi_enabled) { | |
271 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); | |
272 | return -EINVAL; | |
273 | } | |
274 | gpio_set_value(LCD_PANEL_PWR, 1); | |
275 | lcd_enabled = 1; | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
280 | static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) | |
281 | { | |
282 | gpio_set_value(LCD_PANEL_PWR, 0); | |
283 | lcd_enabled = 0; | |
284 | } | |
285 | ||
286 | static struct omap_dss_device am3517_evm_lcd_device = { | |
287 | .type = OMAP_DISPLAY_TYPE_DPI, | |
288 | .name = "lcd", | |
289 | .driver_name = "sharp_lq_panel", | |
290 | .phy.dpi.data_lines = 16, | |
291 | .platform_enable = am3517_evm_panel_enable_lcd, | |
292 | .platform_disable = am3517_evm_panel_disable_lcd, | |
293 | }; | |
294 | ||
295 | static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) | |
296 | { | |
297 | return 0; | |
298 | } | |
299 | ||
300 | static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) | |
301 | { | |
302 | } | |
303 | ||
304 | static struct omap_dss_device am3517_evm_tv_device = { | |
305 | .type = OMAP_DISPLAY_TYPE_VENC, | |
306 | .name = "tv", | |
307 | .driver_name = "venc", | |
308 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, | |
309 | .platform_enable = am3517_evm_panel_enable_tv, | |
310 | .platform_disable = am3517_evm_panel_disable_tv, | |
311 | }; | |
312 | ||
313 | static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev) | |
314 | { | |
315 | if (lcd_enabled) { | |
316 | printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); | |
317 | return -EINVAL; | |
318 | } | |
319 | dvi_enabled = 1; | |
320 | ||
321 | return 0; | |
322 | } | |
323 | ||
324 | static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev) | |
325 | { | |
326 | dvi_enabled = 0; | |
327 | } | |
328 | ||
329 | static struct omap_dss_device am3517_evm_dvi_device = { | |
330 | .type = OMAP_DISPLAY_TYPE_DPI, | |
331 | .name = "dvi", | |
332 | .driver_name = "generic_panel", | |
333 | .phy.dpi.data_lines = 24, | |
334 | .platform_enable = am3517_evm_panel_enable_dvi, | |
335 | .platform_disable = am3517_evm_panel_disable_dvi, | |
336 | }; | |
337 | ||
338 | static struct omap_dss_device *am3517_evm_dss_devices[] = { | |
339 | &am3517_evm_lcd_device, | |
340 | &am3517_evm_tv_device, | |
341 | &am3517_evm_dvi_device, | |
342 | }; | |
343 | ||
344 | static struct omap_dss_board_info am3517_evm_dss_data = { | |
345 | .num_devices = ARRAY_SIZE(am3517_evm_dss_devices), | |
346 | .devices = am3517_evm_dss_devices, | |
347 | .default_device = &am3517_evm_lcd_device, | |
348 | }; | |
349 | ||
350 | struct platform_device am3517_evm_dss_device = { | |
351 | .name = "omapdss", | |
352 | .id = -1, | |
353 | .dev = { | |
354 | .platform_data = &am3517_evm_dss_data, | |
355 | }, | |
356 | }; | |
357 | ||
c625327e RL |
358 | /* |
359 | * Board initialization | |
360 | */ | |
361 | static struct omap_board_config_kernel am3517_evm_config[] __initdata = { | |
362 | }; | |
363 | ||
364 | static struct platform_device *am3517_evm_devices[] __initdata = { | |
c3d33329 | 365 | &am3517_evm_dss_device, |
c625327e RL |
366 | }; |
367 | ||
368 | static void __init am3517_evm_init_irq(void) | |
369 | { | |
370 | omap_board_config = am3517_evm_config; | |
371 | omap_board_config_size = ARRAY_SIZE(am3517_evm_config); | |
372 | ||
373 | omap2_init_common_hw(NULL, NULL); | |
374 | omap_init_irq(); | |
375 | omap_gpio_init(); | |
376 | } | |
377 | ||
6f69a181 | 378 | static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
c625327e | 379 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, |
de997718 AKG |
380 | #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ |
381 | defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) | |
382 | .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
383 | #else | |
c625327e | 384 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, |
de997718 | 385 | #endif |
c625327e RL |
386 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
387 | ||
388 | .phy_reset = true, | |
389 | .reset_gpio_port[0] = 57, | |
390 | .reset_gpio_port[1] = -EINVAL, | |
391 | .reset_gpio_port[2] = -EINVAL | |
392 | }; | |
393 | ||
ca5742bd TL |
394 | #ifdef CONFIG_OMAP_MUX |
395 | static struct omap_board_mux board_mux[] __initdata = { | |
396 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
397 | }; | |
398 | #else | |
399 | #define board_mux NULL | |
400 | #endif | |
401 | ||
91733631 S |
402 | |
403 | static struct resource am3517_hecc_resources[] = { | |
404 | { | |
405 | .start = AM35XX_IPSS_HECC_BASE, | |
406 | .end = AM35XX_IPSS_HECC_BASE + 0x3FFF, | |
407 | .flags = IORESOURCE_MEM, | |
408 | }, | |
409 | { | |
410 | .start = INT_35XX_HECC0_IRQ, | |
411 | .end = INT_35XX_HECC0_IRQ, | |
412 | .flags = IORESOURCE_IRQ, | |
413 | }, | |
414 | }; | |
415 | ||
416 | static struct platform_device am3517_hecc_device = { | |
417 | .name = "ti_hecc", | |
418 | .id = -1, | |
419 | .num_resources = ARRAY_SIZE(am3517_hecc_resources), | |
420 | .resource = am3517_hecc_resources, | |
421 | }; | |
422 | ||
423 | static struct ti_hecc_platform_data am3517_evm_hecc_pdata = { | |
424 | .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, | |
425 | .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, | |
426 | .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, | |
427 | .mbx_offset = AM35XX_HECC_MBOX_OFFSET, | |
428 | .int_line = AM35XX_HECC_INT_LINE, | |
429 | .version = AM35XX_HECC_VERSION, | |
430 | }; | |
431 | ||
432 | static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata) | |
433 | { | |
434 | am3517_hecc_device.dev.platform_data = pdata; | |
435 | platform_device_register(&am3517_hecc_device); | |
436 | } | |
437 | ||
c625327e RL |
438 | static void __init am3517_evm_init(void) |
439 | { | |
ca5742bd | 440 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
5241b6b3 | 441 | |
442 | am3517_evm_i2c_init(); | |
c625327e RL |
443 | platform_add_devices(am3517_evm_devices, |
444 | ARRAY_SIZE(am3517_evm_devices)); | |
445 | ||
446 | omap_serial_init(); | |
fec3eebd AKG |
447 | |
448 | /* Configure GPIO for EHCI port */ | |
449 | omap_mux_init_gpio(57, OMAP_PIN_OUTPUT); | |
c625327e | 450 | usb_ehci_init(&ehci_pdata); |
91733631 | 451 | am3517_evm_hecc_init(&am3517_evm_hecc_pdata); |
c3d33329 VH |
452 | /* DSS */ |
453 | am3517_evm_display_init(); | |
f2afbbb8 VH |
454 | |
455 | /* RTC - S35390A */ | |
456 | am3517_evm_rtc_init(); | |
457 | ||
b91da669 | 458 | i2c_register_board_info(1, am3517evm_i2c1_boardinfo, |
459 | ARRAY_SIZE(am3517evm_i2c1_boardinfo)); | |
56881d28 S |
460 | /*Ethernet*/ |
461 | am3517_evm_ethernet_init(&am3517_evm_emac_pdata); | |
c625327e RL |
462 | } |
463 | ||
464 | static void __init am3517_evm_map_io(void) | |
465 | { | |
466 | omap2_set_globals_343x(); | |
6fbd55d0 | 467 | omap34xx_map_common_io(); |
c625327e RL |
468 | } |
469 | ||
470 | MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") | |
471 | .phys_io = 0x48000000, | |
472 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, | |
473 | .boot_params = 0x80000100, | |
474 | .map_io = am3517_evm_map_io, | |
475 | .init_irq = am3517_evm_init_irq, | |
476 | .init_machine = am3517_evm_init, | |
477 | .timer = &omap_timer, | |
478 | MACHINE_END |