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Dirk Behme9d0fc812009-01-28 21:39:57 +01001/*
2 * Maintainer : Steve Sakoman <steve@sakoman.com>
3 *
4 * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
5 * Richard Woodruff <r-woodruff2@ti.com>
6 * Syed Mohammed Khasim <khasim@ti.com>
7 * Sunil Kumar <sunilsaini05@gmail.com>
8 * Shashi Ranjan <shashiranjanmca05@gmail.com>
9 *
10 * (C) Copyright 2004-2008
11 * Texas Instruments, <www.ti.com>
12 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020013 * SPDX-License-Identifier: GPL-2.0+
Dirk Behme9d0fc812009-01-28 21:39:57 +010014 */
15#include <common.h>
Simon Glassb3f4ca12014-10-22 21:37:15 -060016#include <dm.h>
17#include <ns16550.h>
Olof Johanssondf382622009-09-29 10:22:45 -040018#include <netdev.h>
Tom Rix2c155132009-06-28 12:52:30 -050019#include <twl4030.h>
Andreas Müller137703b2012-01-04 15:26:25 +000020#include <linux/mtd/nand.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010021#include <asm/io.h>
Steve Sakomancd7c5722010-09-19 21:21:07 -070022#include <asm/arch/mmc_host_def.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010023#include <asm/arch/mux.h>
Olof Johanssondf382622009-09-29 10:22:45 -040024#include <asm/arch/mem.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010025#include <asm/arch/sys_proto.h>
Sanjeev Premi84c3b632011-09-08 10:51:01 -040026#include <asm/gpio.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010027#include <asm/mach-types.h>
28#include "overo.h"
29
Stefan Herbrechtsmeierf5c30c12014-09-16 17:51:09 +020030#ifdef CONFIG_USB_EHCI
31#include <usb.h>
32#include <asm/ehci-omap.h>
33#endif
34
John Rigby29565322010-12-20 18:27:51 -070035DECLARE_GLOBAL_DATA_PTR;
36
Steve Sakomand64b5b82010-09-20 08:05:14 -070037#define TWL4030_I2C_BUS 0
38#define EXPANSION_EEPROM_I2C_BUS 2
39#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
40
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +020041#define GUMSTIX_EMPTY_EEPROM 0x0
42
Steve Sakomand64b5b82010-09-20 08:05:14 -070043#define GUMSTIX_SUMMIT 0x01000200
44#define GUMSTIX_TOBI 0x02000200
45#define GUMSTIX_TOBI_DUO 0x03000200
46#define GUMSTIX_PALO35 0x04000200
47#define GUMSTIX_PALO43 0x05000200
48#define GUMSTIX_CHESTNUT43 0x06000200
49#define GUMSTIX_PINTO 0x07000200
50#define GUMSTIX_GALLOP43 0x08000200
Ash Charlesea5940e2014-05-21 14:04:53 -070051#define GUMSTIX_ALTO35 0x09000200
52#define GUMSTIX_STAGECOACH 0x0A000200
53#define GUMSTIX_THUMBO 0x0B000200
54#define GUMSTIX_TURTLECORE 0x0C000200
55#define GUMSTIX_ARBOR43C 0x0D000200
Steve Sakomand64b5b82010-09-20 08:05:14 -070056
57#define ETTUS_USRP_E 0x01000300
58
59#define GUMSTIX_NO_EEPROM 0xffffffff
60
61static struct {
62 unsigned int device_vendor;
63 unsigned char revision;
64 unsigned char content;
65 char fab_revision[8];
66 char env_var[16];
67 char env_setting[64];
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +020068} expansion_config = {0x0};
Steve Sakomanba9a11e2010-08-12 21:07:02 -070069
Simon Glassb3f4ca12014-10-22 21:37:15 -060070static const struct ns16550_platdata overo_serial = {
71 OMAP34XX_UART3,
72 2,
73 V_NS16550_CLK
74};
75
76U_BOOT_DEVICE(overo_uart) = {
Thomas Chouc7b96862015-11-19 21:48:12 +080077 "ns16550_serial",
Simon Glassb3f4ca12014-10-22 21:37:15 -060078 &overo_serial
79};
80
Tom Rix58911512009-04-01 22:02:20 -050081/*
Steve Sakomana06e1622010-08-24 10:37:29 -070082 * Routine: get_sdio2_config
83 * Description: Return information about the wifi module connection
84 * Returns 0 if the module connects though a level translator
85 * Returns 1 if the module connects directly
86 */
87int get_sdio2_config(void)
88{
89 int sdio_direct;
90
Sanjeev Premi84c3b632011-09-08 10:51:01 -040091 if (!gpio_request(130, "") && !gpio_request(139, "")) {
Steve Sakomana06e1622010-08-24 10:37:29 -070092
Sanjeev Premi84c3b632011-09-08 10:51:01 -040093 gpio_direction_output(130, 0);
94 gpio_direction_input(139);
Steve Sakomana06e1622010-08-24 10:37:29 -070095
96 sdio_direct = 1;
Sanjeev Premi84c3b632011-09-08 10:51:01 -040097 gpio_set_value(130, 0);
98 if (gpio_get_value(139) == 0) {
99 gpio_set_value(130, 1);
100 if (gpio_get_value(139) == 1)
Steve Sakomana06e1622010-08-24 10:37:29 -0700101 sdio_direct = 0;
102 }
103
Joe Hershbergerb5db0a02011-10-12 10:31:44 +0000104 gpio_direction_input(130);
Steve Sakomana06e1622010-08-24 10:37:29 -0700105 } else {
Andreas Müllerbae485d2012-01-04 15:26:20 +0000106 puts("Error: unable to acquire sdio2 clk GPIOs\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700107 sdio_direct = -1;
108 }
109
110 return sdio_direct;
111}
112
113/*
Steve Sakomand64b5b82010-09-20 08:05:14 -0700114 * Routine: get_expansion_id
115 * Description: This function checks for expansion board by checking I2C
116 * bus 2 for the availability of an AT24C01B serial EEPROM.
117 * returns the device_vendor field from the EEPROM
118 */
119unsigned int get_expansion_id(void)
120{
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200121 if (expansion_config.device_vendor != 0x0)
122 return expansion_config.device_vendor;
123
Steve Sakomand64b5b82010-09-20 08:05:14 -0700124 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
125
126 /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */
127 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
128 i2c_set_bus_num(TWL4030_I2C_BUS);
129 return GUMSTIX_NO_EEPROM;
130 }
131
132 /* read configuration data */
133 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
134 sizeof(expansion_config));
135
136 i2c_set_bus_num(TWL4030_I2C_BUS);
137
138 return expansion_config.device_vendor;
139}
140
141/*
Dirk Behme9d0fc812009-01-28 21:39:57 +0100142 * Routine: misc_init_r
143 * Description: Configure board specific parts
Tom Rix58911512009-04-01 22:02:20 -0500144 */
Dirk Behme9d0fc812009-01-28 21:39:57 +0100145int misc_init_r(void)
146{
Ash Charlesea5940e2014-05-21 14:04:53 -0700147 unsigned int expansion_id;
148
Tom Rix2c155132009-06-28 12:52:30 -0500149 twl4030_power_init();
Grazvydas Ignotasead39d72009-12-10 17:10:21 +0200150 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
Dirk Behme9d0fc812009-01-28 21:39:57 +0100151
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700152 printf("Board revision: %d\n", get_board_revision());
Steve Sakomana06e1622010-08-24 10:37:29 -0700153
154 switch (get_sdio2_config()) {
155 case 0:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000156 puts("Tranceiver detected on mmc2\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700157 MUX_OVERO_SDIO2_TRANSCEIVER();
158 break;
159 case 1:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000160 puts("Direct connection on mmc2\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700161 MUX_OVERO_SDIO2_DIRECT();
162 break;
163 default:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000164 puts("Unable to detect mmc2 connection type\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700165 }
166
Ash Charlesea5940e2014-05-21 14:04:53 -0700167 expansion_id = get_expansion_id();
168 switch (expansion_id) {
Steve Sakomand64b5b82010-09-20 08:05:14 -0700169 case GUMSTIX_SUMMIT:
170 printf("Recognized Summit expansion board (rev %d %s)\n",
171 expansion_config.revision,
172 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200173 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700174 setenv("defaultdisplay", "dvi");
Ash Charles12cc5432014-06-10 12:02:36 -0700175 setenv("expansionname", "summit");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700176 break;
177 case GUMSTIX_TOBI:
178 printf("Recognized Tobi expansion board (rev %d %s)\n",
179 expansion_config.revision,
180 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200181 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700182 setenv("defaultdisplay", "dvi");
Ash Charles12cc5432014-06-10 12:02:36 -0700183 setenv("expansionname", "tobi");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700184 break;
185 case GUMSTIX_TOBI_DUO:
186 printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
187 expansion_config.revision,
188 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200189 MUX_GUMSTIX();
Arun Bharadwaj72c7be92015-04-28 16:17:51 -0700190 setenv("expansionname", "tobiduo");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700191 break;
192 case GUMSTIX_PALO35:
193 printf("Recognized Palo35 expansion board (rev %d %s)\n",
194 expansion_config.revision,
195 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200196 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700197 setenv("defaultdisplay", "lcd35");
Ash Charles2ed43b52015-04-28 16:17:52 -0700198 setenv("expansionname", "palo35");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700199 break;
200 case GUMSTIX_PALO43:
201 printf("Recognized Palo43 expansion board (rev %d %s)\n",
202 expansion_config.revision,
203 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200204 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700205 setenv("defaultdisplay", "lcd43");
Ash Charles12cc5432014-06-10 12:02:36 -0700206 setenv("expansionname", "palo43");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700207 break;
208 case GUMSTIX_CHESTNUT43:
209 printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
210 expansion_config.revision,
211 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200212 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700213 setenv("defaultdisplay", "lcd43");
Ash Charles12cc5432014-06-10 12:02:36 -0700214 setenv("expansionname", "chestnut43");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700215 break;
216 case GUMSTIX_PINTO:
217 printf("Recognized Pinto expansion board (rev %d %s)\n",
218 expansion_config.revision,
219 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200220 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700221 break;
222 case GUMSTIX_GALLOP43:
223 printf("Recognized Gallop43 expansion board (rev %d %s)\n",
224 expansion_config.revision,
225 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200226 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700227 setenv("defaultdisplay", "lcd43");
Ash Charles12cc5432014-06-10 12:02:36 -0700228 setenv("expansionname", "gallop43");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700229 break;
Ash Charlesea5940e2014-05-21 14:04:53 -0700230 case GUMSTIX_ALTO35:
231 printf("Recognized Alto35 expansion board (rev %d %s)\n",
232 expansion_config.revision,
233 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200234 MUX_GUMSTIX();
Ash Charlesea5940e2014-05-21 14:04:53 -0700235 MUX_ALTO35();
236 setenv("defaultdisplay", "lcd35");
Ash Charles12cc5432014-06-10 12:02:36 -0700237 setenv("expansionname", "alto35");
Ash Charlesea5940e2014-05-21 14:04:53 -0700238 break;
239 case GUMSTIX_STAGECOACH:
240 printf("Recognized Stagecoach expansion board (rev %d %s)\n",
241 expansion_config.revision,
242 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200243 MUX_GUMSTIX();
Ash Charlesea5940e2014-05-21 14:04:53 -0700244 break;
245 case GUMSTIX_THUMBO:
246 printf("Recognized Thumbo expansion board (rev %d %s)\n",
247 expansion_config.revision,
248 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200249 MUX_GUMSTIX();
Ash Charlesea5940e2014-05-21 14:04:53 -0700250 break;
251 case GUMSTIX_TURTLECORE:
252 printf("Recognized Turtlecore expansion board (rev %d %s)\n",
253 expansion_config.revision,
254 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200255 MUX_GUMSTIX();
Ash Charlesea5940e2014-05-21 14:04:53 -0700256 break;
257 case GUMSTIX_ARBOR43C:
258 printf("Recognized Arbor43C expansion board (rev %d %s)\n",
259 expansion_config.revision,
260 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200261 MUX_GUMSTIX();
Ash Charlesea5940e2014-05-21 14:04:53 -0700262 MUX_ARBOR43C();
263 setenv("defaultdisplay", "lcd43");
Ash Charlesda9ed5a2015-04-28 16:17:50 -0700264 setenv("expansionname", "arbor43c");
Ash Charlesea5940e2014-05-21 14:04:53 -0700265 break;
Steve Sakomand64b5b82010-09-20 08:05:14 -0700266 case ETTUS_USRP_E:
267 printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
268 expansion_config.revision,
269 expansion_config.fab_revision);
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200270 MUX_GUMSTIX();
Steve Sakomand64b5b82010-09-20 08:05:14 -0700271 MUX_USRP_E();
272 setenv("defaultdisplay", "dvi");
273 break;
274 case GUMSTIX_NO_EEPROM:
Stefan Herbrechtsmeier4ed914a2014-09-16 17:51:08 +0200275 case GUMSTIX_EMPTY_EEPROM:
276 puts("No or empty EEPROM on expansion board\n");
277 MUX_GUMSTIX();
Ash Charles12cc5432014-06-10 12:02:36 -0700278 setenv("expansionname", "tobi");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700279 break;
280 default:
Ash Charlesea5940e2014-05-21 14:04:53 -0700281 printf("Unrecognized expansion board 0x%08x\n", expansion_id);
282 break;
Steve Sakomand64b5b82010-09-20 08:05:14 -0700283 }
284
285 if (expansion_config.content == 1)
286 setenv(expansion_config.env_var, expansion_config.env_setting);
287
Paul Kocialkowski679f82c2015-08-27 19:37:13 +0200288 omap_die_id_display();
Dirk Behmee6a6a702009-03-12 19:30:50 +0100289
Ash Charles12cc5432014-06-10 12:02:36 -0700290 if (get_cpu_family() == CPU_OMAP34XX)
291 setenv("boardname", "overo");
292 else
293 setenv("boardname", "overo-storm");
294
Dirk Behme9d0fc812009-01-28 21:39:57 +0100295 return 0;
296}
297
Arun Bharadwajfe5d4882015-04-28 16:55:29 -0700298#if defined(CONFIG_CMD_NET)
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200299/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
300static const u32 gpmc_lan_config[] = {
301 NET_LAN9221_GPMC_CONFIG1,
302 NET_LAN9221_GPMC_CONFIG2,
303 NET_LAN9221_GPMC_CONFIG3,
304 NET_LAN9221_GPMC_CONFIG4,
305 NET_LAN9221_GPMC_CONFIG5,
306 NET_LAN9221_GPMC_CONFIG6,
307 /*CONFIG7- computed as params */
308};
309
Olof Johanssondf382622009-09-29 10:22:45 -0400310/*
311 * Routine: setup_net_chip
312 * Description: Setting up the configuration GPMC registers specific to the
313 * Ethernet hardware.
314 */
315static void setup_net_chip(void)
316{
317 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
318
Olof Johanssondf382622009-09-29 10:22:45 -0400319 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
320 writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
321 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
322 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
323 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
324 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
325 &ctrl_base->gpmc_nadv_ale);
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200326}
Olof Johanssondf382622009-09-29 10:22:45 -0400327
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200328/*
329 * Routine: reset_net_chip
330 * Description: Reset the Ethernet hardware.
331 */
332static void reset_net_chip(void)
333{
Olof Johanssondf382622009-09-29 10:22:45 -0400334 /* Make GPIO 64 as output pin and send a magic pulse through it */
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400335 if (!gpio_request(64, "")) {
336 gpio_direction_output(64, 0);
337 gpio_set_value(64, 1);
Olof Johanssondf382622009-09-29 10:22:45 -0400338 udelay(1);
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400339 gpio_set_value(64, 0);
Olof Johanssondf382622009-09-29 10:22:45 -0400340 udelay(1);
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400341 gpio_set_value(64, 1);
Olof Johanssondf382622009-09-29 10:22:45 -0400342 }
343}
Olof Johanssondf382622009-09-29 10:22:45 -0400344
345int board_eth_init(bd_t *bis)
346{
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200347 unsigned int expansion_id;
Olof Johanssondf382622009-09-29 10:22:45 -0400348 int rc = 0;
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200349
Olof Johanssondf382622009-09-29 10:22:45 -0400350#ifdef CONFIG_SMC911X
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200351 expansion_id = get_expansion_id();
352 switch (expansion_id) {
353 case GUMSTIX_TOBI_DUO:
354 /* second lan chip */
355 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
356 0x2B000000, GPMC_SIZE_16M);
357 /* no break */
358 case GUMSTIX_TOBI:
359 case GUMSTIX_CHESTNUT43:
360 case GUMSTIX_STAGECOACH:
361 case GUMSTIX_NO_EEPROM:
362 case GUMSTIX_EMPTY_EEPROM:
363 /* first lan chip */
364 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
365 0x2C000000, GPMC_SIZE_16M);
366
367 setup_net_chip();
368 reset_net_chip();
369
370 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
371 break;
372 default:
373 break;
374 }
Olof Johanssondf382622009-09-29 10:22:45 -0400375#endif
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200376
Olof Johanssondf382622009-09-29 10:22:45 -0400377 return rc;
378}
Stefan Herbrechtsmeier113429a2014-09-16 17:51:07 +0200379#endif
Steve Sakomancd7c5722010-09-19 21:21:07 -0700380
Arun Bharadwajfe5d4882015-04-28 16:55:29 -0700381#if defined(CONFIG_GENERIC_MMC)
Steve Sakomancd7c5722010-09-19 21:21:07 -0700382int board_mmc_init(bd_t *bis)
383{
Nikita Kiryanove3913f52012-12-03 02:19:47 +0000384 return omap_mmc_init(0, 0, 0, -1, -1);
Steve Sakomancd7c5722010-09-19 21:21:07 -0700385}
386#endif
Stefan Herbrechtsmeierf5c30c12014-09-16 17:51:09 +0200387
Paul Kocialkowskiaac54502014-11-08 20:55:47 +0100388#if defined(CONFIG_GENERIC_MMC)
389void board_mmc_power_init(void)
390{
391 twl4030_power_mmc_init(0);
392}
393#endif
394
Arun Bharadwajfe5d4882015-04-28 16:55:29 -0700395#if defined(CONFIG_USB_EHCI)
Stefan Herbrechtsmeierf5c30c12014-09-16 17:51:09 +0200396static struct omap_usbhs_board_data usbhs_bdata = {
397 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
398 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
399 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
400};
401
402#define GUMSTIX_GPIO_USBH_CPEN 168
403int ehci_hcd_init(int index, enum usb_init_type init,
404 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
405{
406 /* Enable USB power */
407 if (!gpio_request(GUMSTIX_GPIO_USBH_CPEN, "usbh_cpen"))
408 gpio_direction_output(GUMSTIX_GPIO_USBH_CPEN, 1);
409
410 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
411}
412
413int ehci_hcd_stop(void)
414{
415 /* Disable USB power */
416 gpio_set_value(GUMSTIX_GPIO_USBH_CPEN, 0);
417 gpio_free(GUMSTIX_GPIO_USBH_CPEN);
418
419 return omap_ehci_hcd_stop();
420}
421
422#endif /* CONFIG_USB_EHCI */