2 * linux/arch/arm/mach-omap2/usb-ehci.c
4 * This file will contain the board specific details for the
5 * Synopsys EHCI host controller on OMAP3430
7 * Copyright (C) 2007 Texas Instruments
8 * Author: Vikram Pandita <vikram.pandita@ti.com>
11 * Felipe Balbi <felipe.balbi@nokia.com>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
18 #include <linux/types.h>
19 #include <linux/errno.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23 #include <linux/dma-mapping.h>
27 #include <mach/hardware.h>
28 #include <mach/irqs.h>
33 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
35 static struct resource ehci_resources
[] = {
37 .start
= OMAP34XX_EHCI_BASE
,
38 .end
= OMAP34XX_EHCI_BASE
+ SZ_1K
- 1,
39 .flags
= IORESOURCE_MEM
,
42 .start
= OMAP34XX_UHH_CONFIG_BASE
,
43 .end
= OMAP34XX_UHH_CONFIG_BASE
+ SZ_1K
- 1,
44 .flags
= IORESOURCE_MEM
,
47 .start
= OMAP34XX_USBTLL_BASE
,
48 .end
= OMAP34XX_USBTLL_BASE
+ SZ_4K
- 1,
49 .flags
= IORESOURCE_MEM
,
52 .start
= INT_34XX_EHCI_IRQ
,
53 .flags
= IORESOURCE_IRQ
,
57 static u64 ehci_dmamask
= ~(u32
)0;
58 static struct platform_device ehci_device
= {
62 .dma_mask
= &ehci_dmamask
,
63 .coherent_dma_mask
= 0xffffffff,
64 .platform_data
= NULL
,
66 .num_resources
= ARRAY_SIZE(ehci_resources
),
67 .resource
= ehci_resources
,
70 /* MUX settings for EHCI pins */
72 * setup_ehci_io_mux - initialize IO pad mux for USBHOST
74 static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode
*port_mode
)
76 switch (port_mode
[0]) {
77 case EHCI_HCD_OMAP_MODE_PHY
:
78 omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT
);
79 omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT
);
80 omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN
);
81 omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN
);
82 omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN
);
83 omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN
);
84 omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN
);
85 omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN
);
86 omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN
);
87 omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN
);
88 omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN
);
89 omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN
);
91 case EHCI_HCD_OMAP_MODE_TLL
:
92 omap_mux_init_signal("hsusb1_tll_stp",
93 OMAP_PIN_INPUT_PULLUP
);
94 omap_mux_init_signal("hsusb1_tll_clk",
95 OMAP_PIN_INPUT_PULLDOWN
);
96 omap_mux_init_signal("hsusb1_tll_dir",
97 OMAP_PIN_INPUT_PULLDOWN
);
98 omap_mux_init_signal("hsusb1_tll_nxt",
99 OMAP_PIN_INPUT_PULLDOWN
);
100 omap_mux_init_signal("hsusb1_tll_data0",
101 OMAP_PIN_INPUT_PULLDOWN
);
102 omap_mux_init_signal("hsusb1_tll_data1",
103 OMAP_PIN_INPUT_PULLDOWN
);
104 omap_mux_init_signal("hsusb1_tll_data2",
105 OMAP_PIN_INPUT_PULLDOWN
);
106 omap_mux_init_signal("hsusb1_tll_data3",
107 OMAP_PIN_INPUT_PULLDOWN
);
108 omap_mux_init_signal("hsusb1_tll_data4",
109 OMAP_PIN_INPUT_PULLDOWN
);
110 omap_mux_init_signal("hsusb1_tll_data5",
111 OMAP_PIN_INPUT_PULLDOWN
);
112 omap_mux_init_signal("hsusb1_tll_data6",
113 OMAP_PIN_INPUT_PULLDOWN
);
114 omap_mux_init_signal("hsusb1_tll_data7",
115 OMAP_PIN_INPUT_PULLDOWN
);
117 case EHCI_HCD_OMAP_MODE_UNKNOWN
:
123 switch (port_mode
[1]) {
124 case EHCI_HCD_OMAP_MODE_PHY
:
125 omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT
);
126 omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT
);
127 omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN
);
128 omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN
);
129 omap_mux_init_signal("hsusb2_data0",
130 OMAP_PIN_INPUT_PULLDOWN
);
131 omap_mux_init_signal("hsusb2_data1",
132 OMAP_PIN_INPUT_PULLDOWN
);
133 omap_mux_init_signal("hsusb2_data2",
134 OMAP_PIN_INPUT_PULLDOWN
);
135 omap_mux_init_signal("hsusb2_data3",
136 OMAP_PIN_INPUT_PULLDOWN
);
137 omap_mux_init_signal("hsusb2_data4",
138 OMAP_PIN_INPUT_PULLDOWN
);
139 omap_mux_init_signal("hsusb2_data5",
140 OMAP_PIN_INPUT_PULLDOWN
);
141 omap_mux_init_signal("hsusb2_data6",
142 OMAP_PIN_INPUT_PULLDOWN
);
143 omap_mux_init_signal("hsusb2_data7",
144 OMAP_PIN_INPUT_PULLDOWN
);
146 case EHCI_HCD_OMAP_MODE_TLL
:
147 omap_mux_init_signal("hsusb2_tll_stp",
148 OMAP_PIN_INPUT_PULLUP
);
149 omap_mux_init_signal("hsusb2_tll_clk",
150 OMAP_PIN_INPUT_PULLDOWN
);
151 omap_mux_init_signal("hsusb2_tll_dir",
152 OMAP_PIN_INPUT_PULLDOWN
);
153 omap_mux_init_signal("hsusb2_tll_nxt",
154 OMAP_PIN_INPUT_PULLDOWN
);
155 omap_mux_init_signal("hsusb2_tll_data0",
156 OMAP_PIN_INPUT_PULLDOWN
);
157 omap_mux_init_signal("hsusb2_tll_data1",
158 OMAP_PIN_INPUT_PULLDOWN
);
159 omap_mux_init_signal("hsusb2_tll_data2",
160 OMAP_PIN_INPUT_PULLDOWN
);
161 omap_mux_init_signal("hsusb2_tll_data3",
162 OMAP_PIN_INPUT_PULLDOWN
);
163 omap_mux_init_signal("hsusb2_tll_data4",
164 OMAP_PIN_INPUT_PULLDOWN
);
165 omap_mux_init_signal("hsusb2_tll_data5",
166 OMAP_PIN_INPUT_PULLDOWN
);
167 omap_mux_init_signal("hsusb2_tll_data6",
168 OMAP_PIN_INPUT_PULLDOWN
);
169 omap_mux_init_signal("hsusb2_tll_data7",
170 OMAP_PIN_INPUT_PULLDOWN
);
172 case EHCI_HCD_OMAP_MODE_UNKNOWN
:
178 switch (port_mode
[2]) {
179 case EHCI_HCD_OMAP_MODE_PHY
:
180 printk(KERN_WARNING
"Port3 can't be used in PHY mode\n");
182 case EHCI_HCD_OMAP_MODE_TLL
:
183 omap_mux_init_signal("hsusb3_tll_stp",
184 OMAP_PIN_INPUT_PULLUP
);
185 omap_mux_init_signal("hsusb3_tll_clk",
186 OMAP_PIN_INPUT_PULLDOWN
);
187 omap_mux_init_signal("hsusb3_tll_dir",
188 OMAP_PIN_INPUT_PULLDOWN
);
189 omap_mux_init_signal("hsusb3_tll_nxt",
190 OMAP_PIN_INPUT_PULLDOWN
);
191 omap_mux_init_signal("hsusb3_tll_data0",
192 OMAP_PIN_INPUT_PULLDOWN
);
193 omap_mux_init_signal("hsusb3_tll_data1",
194 OMAP_PIN_INPUT_PULLDOWN
);
195 omap_mux_init_signal("hsusb3_tll_data2",
196 OMAP_PIN_INPUT_PULLDOWN
);
197 omap_mux_init_signal("hsusb3_tll_data3",
198 OMAP_PIN_INPUT_PULLDOWN
);
199 omap_mux_init_signal("hsusb3_tll_data4",
200 OMAP_PIN_INPUT_PULLDOWN
);
201 omap_mux_init_signal("hsusb3_tll_data5",
202 OMAP_PIN_INPUT_PULLDOWN
);
203 omap_mux_init_signal("hsusb3_tll_data6",
204 OMAP_PIN_INPUT_PULLDOWN
);
205 omap_mux_init_signal("hsusb3_tll_data7",
206 OMAP_PIN_INPUT_PULLDOWN
);
208 case EHCI_HCD_OMAP_MODE_UNKNOWN
:
217 void __init
usb_ehci_init(const struct ehci_hcd_omap_platform_data
*pdata
)
219 platform_device_add_data(&ehci_device
, pdata
, sizeof(*pdata
));
221 /* Setup Pin IO MUX for EHCI */
222 if (cpu_is_omap34xx())
223 setup_ehci_io_mux(pdata
->port_mode
);
225 if (platform_device_register(&ehci_device
) < 0) {
226 printk(KERN_ERR
"Unable to register HS-USB (EHCI) device\n");
233 void __init
usb_ehci_init(const struct ehci_hcd_omap_platform_data
*pdata
)
238 #endif /* CONFIG_USB_EHCI_HCD */
240 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
242 static struct resource ohci_resources
[] = {
244 .start
= OMAP34XX_OHCI_BASE
,
245 .end
= OMAP34XX_OHCI_BASE
+ SZ_1K
- 1,
246 .flags
= IORESOURCE_MEM
,
249 .start
= OMAP34XX_UHH_CONFIG_BASE
,
250 .end
= OMAP34XX_UHH_CONFIG_BASE
+ SZ_1K
- 1,
251 .flags
= IORESOURCE_MEM
,
254 .start
= OMAP34XX_USBTLL_BASE
,
255 .end
= OMAP34XX_USBTLL_BASE
+ SZ_4K
- 1,
256 .flags
= IORESOURCE_MEM
,
259 .start
= INT_34XX_OHCI_IRQ
,
260 .flags
= IORESOURCE_IRQ
,
264 static u64 ohci_dmamask
= DMA_BIT_MASK(32);
266 static struct platform_device ohci_device
= {
267 .name
= "ohci-omap3",
270 .dma_mask
= &ohci_dmamask
,
271 .coherent_dma_mask
= 0xffffffff,
273 .num_resources
= ARRAY_SIZE(ohci_resources
),
274 .resource
= ohci_resources
,
277 static void setup_ohci_io_mux(const enum ohci_omap3_port_mode
*port_mode
)
279 switch (port_mode
[0]) {
280 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0
:
281 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM
:
282 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0
:
283 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM
:
284 omap_mux_init_signal("mm1_rxdp",
285 OMAP_PIN_INPUT_PULLDOWN
);
286 omap_mux_init_signal("mm1_rxdm",
287 OMAP_PIN_INPUT_PULLDOWN
);
289 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM
:
290 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM
:
291 omap_mux_init_signal("mm1_rxrcv",
292 OMAP_PIN_INPUT_PULLDOWN
);
294 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0
:
295 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0
:
296 omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT
);
298 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0
:
299 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM
:
300 omap_mux_init_signal("mm1_txse0",
301 OMAP_PIN_INPUT_PULLDOWN
);
302 omap_mux_init_signal("mm1_txdat",
303 OMAP_PIN_INPUT_PULLDOWN
);
305 case OMAP_OHCI_PORT_MODE_UNUSED
:
310 switch (port_mode
[1]) {
311 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0
:
312 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM
:
313 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0
:
314 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM
:
315 omap_mux_init_signal("mm2_rxdp",
316 OMAP_PIN_INPUT_PULLDOWN
);
317 omap_mux_init_signal("mm2_rxdm",
318 OMAP_PIN_INPUT_PULLDOWN
);
320 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM
:
321 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM
:
322 omap_mux_init_signal("mm2_rxrcv",
323 OMAP_PIN_INPUT_PULLDOWN
);
325 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0
:
326 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0
:
327 omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT
);
329 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0
:
330 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM
:
331 omap_mux_init_signal("mm2_txse0",
332 OMAP_PIN_INPUT_PULLDOWN
);
333 omap_mux_init_signal("mm2_txdat",
334 OMAP_PIN_INPUT_PULLDOWN
);
336 case OMAP_OHCI_PORT_MODE_UNUSED
:
341 switch (port_mode
[2]) {
342 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0
:
343 case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM
:
344 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0
:
345 case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM
:
346 omap_mux_init_signal("mm3_rxdp",
347 OMAP_PIN_INPUT_PULLDOWN
);
348 omap_mux_init_signal("mm3_rxdm",
349 OMAP_PIN_INPUT_PULLDOWN
);
351 case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM
:
352 case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM
:
353 omap_mux_init_signal("mm3_rxrcv",
354 OMAP_PIN_INPUT_PULLDOWN
);
356 case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0
:
357 case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0
:
358 omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT
);
360 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0
:
361 case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM
:
362 omap_mux_init_signal("mm3_txse0",
363 OMAP_PIN_INPUT_PULLDOWN
);
364 omap_mux_init_signal("mm3_txdat",
365 OMAP_PIN_INPUT_PULLDOWN
);
367 case OMAP_OHCI_PORT_MODE_UNUSED
:
374 void __init
usb_ohci_init(const struct ohci_hcd_omap_platform_data
*pdata
)
376 platform_device_add_data(&ohci_device
, pdata
, sizeof(*pdata
));
378 /* Setup Pin IO MUX for OHCI */
379 if (cpu_is_omap34xx())
380 setup_ohci_io_mux(pdata
->port_mode
);
382 if (platform_device_register(&ohci_device
) < 0) {
383 pr_err("Unable to register FS-USB (OHCI) device\n");
390 void __init
usb_ohci_init(const struct ohci_hcd_omap_platform_data
*pdata
)
394 #endif /* CONFIG_USB_OHCI_HCD */