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CommitLineData
9d0fc811
DB
1/*
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 *
1a459660 13 * SPDX-License-Identifier: GPL-2.0+
9d0fc811
DB
14 */
15#include <common.h>
b3f4ca11
SG
16#include <dm.h>
17#include <ns16550.h>
df382626 18#include <netdev.h>
2c155130 19#include <twl4030.h>
6ae3900a 20#include <linux/mtd/rawnand.h>
9d0fc811 21#include <asm/io.h>
cd7c5726 22#include <asm/arch/mmc_host_def.h>
9d0fc811 23#include <asm/arch/mux.h>
df382626 24#include <asm/arch/mem.h>
9d0fc811 25#include <asm/arch/sys_proto.h>
84c3b631 26#include <asm/gpio.h>
9d0fc811
DB
27#include <asm/mach-types.h>
28#include "overo.h"
29
8850c5d5 30#ifdef CONFIG_USB_EHCI_HCD
f5c30c1b
SH
31#include <usb.h>
32#include <asm/ehci-omap.h>
33#endif
34
29565326
JR
35DECLARE_GLOBAL_DATA_PTR;
36
d64b5b89
SS
37#define TWL4030_I2C_BUS 0
38#define EXPANSION_EEPROM_I2C_BUS 2
39#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
40
4ed914a2
SH
41#define GUMSTIX_EMPTY_EEPROM 0x0
42
d64b5b89
SS
43#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
ea5940e9
AC
51#define GUMSTIX_ALTO35 0x09000200
52#define GUMSTIX_STAGECOACH 0x0A000200
53#define GUMSTIX_THUMBO 0x0B000200
54#define GUMSTIX_TURTLECORE 0x0C000200
55#define GUMSTIX_ARBOR43C 0x0D000200
d64b5b89
SS
56
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];
4ed914a2 68} expansion_config = {0x0};
ba9a11e4 69
b3f4ca11 70static const struct ns16550_platdata overo_serial = {
2f6ed3b8
AF
71 .base = OMAP34XX_UART3,
72 .reg_shift = 2,
17fa0326
HS
73 .clock = V_NS16550_CLK,
74 .fcr = UART_FCR_DEFVAL,
b3f4ca11
SG
75};
76
77U_BOOT_DEVICE(overo_uart) = {
c7b9686d 78 "ns16550_serial",
b3f4ca11
SG
79 &overo_serial
80};
81
a06e1629
SS
82/*
83 * Routine: get_sdio2_config
84 * Description: Return information about the wifi module connection
85 * Returns 0 if the module connects though a level translator
86 * Returns 1 if the module connects directly
87 */
88int get_sdio2_config(void)
89{
90 int sdio_direct;
91
84c3b631 92 if (!gpio_request(130, "") && !gpio_request(139, "")) {
a06e1629 93
84c3b631
SP
94 gpio_direction_output(130, 0);
95 gpio_direction_input(139);
a06e1629
SS
96
97 sdio_direct = 1;
84c3b631
SP
98 gpio_set_value(130, 0);
99 if (gpio_get_value(139) == 0) {
100 gpio_set_value(130, 1);
101 if (gpio_get_value(139) == 1)
a06e1629
SS
102 sdio_direct = 0;
103 }
104
b5db0a06 105 gpio_direction_input(130);
a06e1629 106 } else {
bae485db 107 puts("Error: unable to acquire sdio2 clk GPIOs\n");
a06e1629
SS
108 sdio_direct = -1;
109 }
110
111 return sdio_direct;
112}
113
d64b5b89
SS
114/*
115 * Routine: get_expansion_id
116 * Description: This function checks for expansion board by checking I2C
117 * bus 2 for the availability of an AT24C01B serial EEPROM.
118 * returns the device_vendor field from the EEPROM
119 */
120unsigned int get_expansion_id(void)
121{
4ed914a2
SH
122 if (expansion_config.device_vendor != 0x0)
123 return expansion_config.device_vendor;
124
d64b5b89
SS
125 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
126
127 /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */
128 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
129 i2c_set_bus_num(TWL4030_I2C_BUS);
130 return GUMSTIX_NO_EEPROM;
131 }
132
133 /* read configuration data */
134 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
135 sizeof(expansion_config));
136
137 i2c_set_bus_num(TWL4030_I2C_BUS);
138
139 return expansion_config.device_vendor;
140}
141
58911517 142/*
9d0fc811
DB
143 * Routine: misc_init_r
144 * Description: Configure board specific parts
58911517 145 */
9d0fc811
DB
146int misc_init_r(void)
147{
ea5940e9
AC
148 unsigned int expansion_id;
149
2c155130 150 twl4030_power_init();
ead39d7a 151 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
9d0fc811 152
c2d5b341 153 printf("Board revision: %d\n", get_board_revision());
a06e1629
SS
154
155 switch (get_sdio2_config()) {
156 case 0:
bae485db 157 puts("Tranceiver detected on mmc2\n");
a06e1629
SS
158 MUX_OVERO_SDIO2_TRANSCEIVER();
159 break;
160 case 1:
bae485db 161 puts("Direct connection on mmc2\n");
a06e1629
SS
162 MUX_OVERO_SDIO2_DIRECT();
163 break;
164 default:
bae485db 165 puts("Unable to detect mmc2 connection type\n");
a06e1629
SS
166 }
167
ea5940e9
AC
168 expansion_id = get_expansion_id();
169 switch (expansion_id) {
d64b5b89
SS
170 case GUMSTIX_SUMMIT:
171 printf("Recognized Summit expansion board (rev %d %s)\n",
172 expansion_config.revision,
173 expansion_config.fab_revision);
4ed914a2 174 MUX_GUMSTIX();
382bee57
SG
175 env_set("defaultdisplay", "dvi");
176 env_set("expansionname", "summit");
d64b5b89
SS
177 break;
178 case GUMSTIX_TOBI:
179 printf("Recognized Tobi expansion board (rev %d %s)\n",
180 expansion_config.revision,
181 expansion_config.fab_revision);
4ed914a2 182 MUX_GUMSTIX();
382bee57
SG
183 env_set("defaultdisplay", "dvi");
184 env_set("expansionname", "tobi");
d64b5b89
SS
185 break;
186 case GUMSTIX_TOBI_DUO:
187 printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
188 expansion_config.revision,
189 expansion_config.fab_revision);
4ed914a2 190 MUX_GUMSTIX();
382bee57 191 env_set("expansionname", "tobiduo");
d64b5b89
SS
192 break;
193 case GUMSTIX_PALO35:
194 printf("Recognized Palo35 expansion board (rev %d %s)\n",
195 expansion_config.revision,
196 expansion_config.fab_revision);
4ed914a2 197 MUX_GUMSTIX();
382bee57
SG
198 env_set("defaultdisplay", "lcd35");
199 env_set("expansionname", "palo35");
d64b5b89
SS
200 break;
201 case GUMSTIX_PALO43:
202 printf("Recognized Palo43 expansion board (rev %d %s)\n",
203 expansion_config.revision,
204 expansion_config.fab_revision);
4ed914a2 205 MUX_GUMSTIX();
382bee57
SG
206 env_set("defaultdisplay", "lcd43");
207 env_set("expansionname", "palo43");
d64b5b89
SS
208 break;
209 case GUMSTIX_CHESTNUT43:
210 printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
211 expansion_config.revision,
212 expansion_config.fab_revision);
4ed914a2 213 MUX_GUMSTIX();
382bee57
SG
214 env_set("defaultdisplay", "lcd43");
215 env_set("expansionname", "chestnut43");
d64b5b89
SS
216 break;
217 case GUMSTIX_PINTO:
218 printf("Recognized Pinto expansion board (rev %d %s)\n",
219 expansion_config.revision,
220 expansion_config.fab_revision);
4ed914a2 221 MUX_GUMSTIX();
d64b5b89
SS
222 break;
223 case GUMSTIX_GALLOP43:
224 printf("Recognized Gallop43 expansion board (rev %d %s)\n",
225 expansion_config.revision,
226 expansion_config.fab_revision);
4ed914a2 227 MUX_GUMSTIX();
382bee57
SG
228 env_set("defaultdisplay", "lcd43");
229 env_set("expansionname", "gallop43");
d64b5b89 230 break;
ea5940e9
AC
231 case GUMSTIX_ALTO35:
232 printf("Recognized Alto35 expansion board (rev %d %s)\n",
233 expansion_config.revision,
234 expansion_config.fab_revision);
4ed914a2 235 MUX_GUMSTIX();
ea5940e9 236 MUX_ALTO35();
382bee57
SG
237 env_set("defaultdisplay", "lcd35");
238 env_set("expansionname", "alto35");
ea5940e9
AC
239 break;
240 case GUMSTIX_STAGECOACH:
241 printf("Recognized Stagecoach expansion board (rev %d %s)\n",
242 expansion_config.revision,
243 expansion_config.fab_revision);
4ed914a2 244 MUX_GUMSTIX();
ea5940e9
AC
245 break;
246 case GUMSTIX_THUMBO:
247 printf("Recognized Thumbo expansion board (rev %d %s)\n",
248 expansion_config.revision,
249 expansion_config.fab_revision);
4ed914a2 250 MUX_GUMSTIX();
ea5940e9
AC
251 break;
252 case GUMSTIX_TURTLECORE:
253 printf("Recognized Turtlecore expansion board (rev %d %s)\n",
254 expansion_config.revision,
255 expansion_config.fab_revision);
4ed914a2 256 MUX_GUMSTIX();
ea5940e9
AC
257 break;
258 case GUMSTIX_ARBOR43C:
259 printf("Recognized Arbor43C expansion board (rev %d %s)\n",
260 expansion_config.revision,
261 expansion_config.fab_revision);
4ed914a2 262 MUX_GUMSTIX();
ea5940e9 263 MUX_ARBOR43C();
382bee57
SG
264 env_set("defaultdisplay", "lcd43");
265 env_set("expansionname", "arbor43c");
ea5940e9 266 break;
d64b5b89
SS
267 case ETTUS_USRP_E:
268 printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
269 expansion_config.revision,
270 expansion_config.fab_revision);
4ed914a2 271 MUX_GUMSTIX();
d64b5b89 272 MUX_USRP_E();
382bee57 273 env_set("defaultdisplay", "dvi");
d64b5b89
SS
274 break;
275 case GUMSTIX_NO_EEPROM:
4ed914a2
SH
276 case GUMSTIX_EMPTY_EEPROM:
277 puts("No or empty EEPROM on expansion board\n");
278 MUX_GUMSTIX();
382bee57 279 env_set("expansionname", "tobi");
d64b5b89
SS
280 break;
281 default:
ea5940e9
AC
282 printf("Unrecognized expansion board 0x%08x\n", expansion_id);
283 break;
d64b5b89
SS
284 }
285
286 if (expansion_config.content == 1)
382bee57 287 env_set(expansion_config.env_var, expansion_config.env_setting);
d64b5b89 288
679f82c3 289 omap_die_id_display();
e6a6a704 290
12cc5437 291 if (get_cpu_family() == CPU_OMAP34XX)
382bee57 292 env_set("boardname", "overo");
12cc5437 293 else
382bee57 294 env_set("boardname", "overo-storm");
12cc5437 295
9d0fc811
DB
296 return 0;
297}
298
fe5d488f 299#if defined(CONFIG_CMD_NET)
113429a2
SH
300/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
301static const u32 gpmc_lan_config[] = {
302 NET_LAN9221_GPMC_CONFIG1,
303 NET_LAN9221_GPMC_CONFIG2,
304 NET_LAN9221_GPMC_CONFIG3,
305 NET_LAN9221_GPMC_CONFIG4,
306 NET_LAN9221_GPMC_CONFIG5,
307 NET_LAN9221_GPMC_CONFIG6,
308 /*CONFIG7- computed as params */
309};
310
df382626
OJ
311/*
312 * Routine: setup_net_chip
313 * Description: Setting up the configuration GPMC registers specific to the
314 * Ethernet hardware.
315 */
316static void setup_net_chip(void)
317{
318 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
319
df382626
OJ
320 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
321 writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
322 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
323 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
324 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
325 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
326 &ctrl_base->gpmc_nadv_ale);
113429a2 327}
df382626 328
113429a2
SH
329/*
330 * Routine: reset_net_chip
331 * Description: Reset the Ethernet hardware.
332 */
333static void reset_net_chip(void)
334{
df382626 335 /* Make GPIO 64 as output pin and send a magic pulse through it */
84c3b631
SP
336 if (!gpio_request(64, "")) {
337 gpio_direction_output(64, 0);
338 gpio_set_value(64, 1);
df382626 339 udelay(1);
84c3b631 340 gpio_set_value(64, 0);
df382626 341 udelay(1);
84c3b631 342 gpio_set_value(64, 1);
df382626
OJ
343 }
344}
df382626
OJ
345
346int board_eth_init(bd_t *bis)
347{
113429a2 348 unsigned int expansion_id;
df382626 349 int rc = 0;
113429a2 350
df382626 351#ifdef CONFIG_SMC911X
113429a2
SH
352 expansion_id = get_expansion_id();
353 switch (expansion_id) {
354 case GUMSTIX_TOBI_DUO:
355 /* second lan chip */
356 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
357 0x2B000000, GPMC_SIZE_16M);
358 /* no break */
359 case GUMSTIX_TOBI:
360 case GUMSTIX_CHESTNUT43:
361 case GUMSTIX_STAGECOACH:
362 case GUMSTIX_NO_EEPROM:
363 case GUMSTIX_EMPTY_EEPROM:
364 /* first lan chip */
365 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
366 0x2C000000, GPMC_SIZE_16M);
367
368 setup_net_chip();
369 reset_net_chip();
370
371 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
372 break;
373 default:
374 break;
375 }
df382626 376#endif
113429a2 377
df382626
OJ
378 return rc;
379}
113429a2 380#endif
cd7c5726 381
4aa2ba3a 382#if defined(CONFIG_MMC)
cd7c5726
SS
383int board_mmc_init(bd_t *bis)
384{
e3913f56 385 return omap_mmc_init(0, 0, 0, -1, -1);
cd7c5726
SS
386}
387#endif
f5c30c1b 388
4aa2ba3a 389#if defined(CONFIG_MMC)
aac5450e
PK
390void board_mmc_power_init(void)
391{
392 twl4030_power_mmc_init(0);
393}
394#endif
395
8850c5d5 396#if defined(CONFIG_USB_EHCI_HCD)
f5c30c1b
SH
397static struct omap_usbhs_board_data usbhs_bdata = {
398 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
399 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
400 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
401};
402
403#define GUMSTIX_GPIO_USBH_CPEN 168
404int ehci_hcd_init(int index, enum usb_init_type init,
405 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
406{
407 /* Enable USB power */
408 if (!gpio_request(GUMSTIX_GPIO_USBH_CPEN, "usbh_cpen"))
409 gpio_direction_output(GUMSTIX_GPIO_USBH_CPEN, 1);
410
411 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
412}
413
414int ehci_hcd_stop(void)
415{
416 /* Disable USB power */
417 gpio_set_value(GUMSTIX_GPIO_USBH_CPEN, 0);
418 gpio_free(GUMSTIX_GPIO_USBH_CPEN);
419
420 return omap_ehci_hcd_stop();
421}
422
8850c5d5 423#endif /* CONFIG_USB_EHCI_HCD */