blob: 62b50a8a0bb62a651ab9b61baab00888c263c413 [file] [log] [blame]
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>
Olof Johanssondf382622009-09-29 10:22:45 -040016#include <netdev.h>
Tom Rix2c155132009-06-28 12:52:30 -050017#include <twl4030.h>
Andreas Müller137703b2012-01-04 15:26:25 +000018#include <linux/mtd/nand.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010019#include <asm/io.h>
Steve Sakomancd7c5722010-09-19 21:21:07 -070020#include <asm/arch/mmc_host_def.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010021#include <asm/arch/mux.h>
Olof Johanssondf382622009-09-29 10:22:45 -040022#include <asm/arch/mem.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010023#include <asm/arch/sys_proto.h>
Sanjeev Premi84c3b632011-09-08 10:51:01 -040024#include <asm/gpio.h>
Dirk Behme9d0fc812009-01-28 21:39:57 +010025#include <asm/mach-types.h>
26#include "overo.h"
27
John Rigby29565322010-12-20 18:27:51 -070028DECLARE_GLOBAL_DATA_PTR;
29
Steve Sakomand64b5b82010-09-20 08:05:14 -070030#define TWL4030_I2C_BUS 0
31#define EXPANSION_EEPROM_I2C_BUS 2
32#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
33
34#define GUMSTIX_SUMMIT 0x01000200
35#define GUMSTIX_TOBI 0x02000200
36#define GUMSTIX_TOBI_DUO 0x03000200
37#define GUMSTIX_PALO35 0x04000200
38#define GUMSTIX_PALO43 0x05000200
39#define GUMSTIX_CHESTNUT43 0x06000200
40#define GUMSTIX_PINTO 0x07000200
41#define GUMSTIX_GALLOP43 0x08000200
Ash Charlesea5940e2014-05-21 14:04:53 -070042#define GUMSTIX_ALTO35 0x09000200
43#define GUMSTIX_STAGECOACH 0x0A000200
44#define GUMSTIX_THUMBO 0x0B000200
45#define GUMSTIX_TURTLECORE 0x0C000200
46#define GUMSTIX_ARBOR43C 0x0D000200
Steve Sakomand64b5b82010-09-20 08:05:14 -070047
48#define ETTUS_USRP_E 0x01000300
49
50#define GUMSTIX_NO_EEPROM 0xffffffff
51
52static struct {
53 unsigned int device_vendor;
54 unsigned char revision;
55 unsigned char content;
56 char fab_revision[8];
57 char env_var[16];
58 char env_setting[64];
59} expansion_config;
60
Olof Johanssondf382622009-09-29 10:22:45 -040061#if defined(CONFIG_CMD_NET)
62static void setup_net_chip(void);
63#endif
64
Steve Sakomanba9a11e2010-08-12 21:07:02 -070065/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
66static const u32 gpmc_lan_config[] = {
67 NET_LAN9221_GPMC_CONFIG1,
68 NET_LAN9221_GPMC_CONFIG2,
69 NET_LAN9221_GPMC_CONFIG3,
70 NET_LAN9221_GPMC_CONFIG4,
71 NET_LAN9221_GPMC_CONFIG5,
72 NET_LAN9221_GPMC_CONFIG6,
73 /*CONFIG7- computed as params */
74};
75
Tom Rix58911512009-04-01 22:02:20 -050076/*
Dirk Behme9d0fc812009-01-28 21:39:57 +010077 * Routine: board_init
78 * Description: Early hardware init.
Tom Rix58911512009-04-01 22:02:20 -050079 */
Dirk Behme9d0fc812009-01-28 21:39:57 +010080int board_init(void)
81{
Dirk Behme9d0fc812009-01-28 21:39:57 +010082 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
83 /* board id for Linux */
84 gd->bd->bi_arch_number = MACH_TYPE_OVERO;
85 /* boot param addr */
86 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
87
88 return 0;
89}
90
Tom Rix58911512009-04-01 22:02:20 -050091/*
Steve Sakomanc2d5b342010-08-12 15:13:02 -070092 * Routine: get_board_revision
93 * Description: Returns the board revision
94 */
95int get_board_revision(void)
96{
97 int revision;
98
Heiko Schocher6789e842013-10-22 11:03:18 +020099#ifdef CONFIG_SYS_I2C_OMAP34XX
Andreas Müller137703b2012-01-04 15:26:25 +0000100 unsigned char data;
101
102 /* board revisions <= R2410 connect 4030 irq_1 to gpio112 */
103 /* these boards should return a revision number of 0 */
104 /* the code below forces a 4030 RTC irq to ensure that gpio112 is low */
105 i2c_set_bus_num(TWL4030_I2C_BUS);
106 data = 0x01;
107 i2c_write(0x4B, 0x29, 1, &data, 1);
108 data = 0x0c;
109 i2c_write(0x4B, 0x2b, 1, &data, 1);
110 i2c_read(0x4B, 0x2a, 1, &data, 1);
111#endif
112
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400113 if (!gpio_request(112, "") &&
114 !gpio_request(113, "") &&
115 !gpio_request(115, "")) {
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700116
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400117 gpio_direction_input(112);
118 gpio_direction_input(113);
119 gpio_direction_input(115);
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700120
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400121 revision = gpio_get_value(115) << 2 |
122 gpio_get_value(113) << 1 |
123 gpio_get_value(112);
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700124 } else {
Andreas Müllerbae485d2012-01-04 15:26:20 +0000125 puts("Error: unable to acquire board revision GPIOs\n");
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700126 revision = -1;
127 }
128
129 return revision;
130}
131
Andreas Müller137703b2012-01-04 15:26:25 +0000132#ifdef CONFIG_SPL_BUILD
133/*
134 * Routine: get_board_mem_timings
135 * Description: If we use SPL then there is no x-loader nor config header
136 * so we have to setup the DDR timings ourself on both banks.
137 */
Peter Barada8c4445d2012-11-13 07:40:28 +0000138void get_board_mem_timings(struct board_sdrc_timings *timings)
Andreas Müller137703b2012-01-04 15:26:25 +0000139{
Peter Barada8c4445d2012-11-13 07:40:28 +0000140 timings->mr = MICRON_V_MR_165;
Andreas Müller137703b2012-01-04 15:26:25 +0000141 switch (get_board_revision()) {
142 case REVISION_0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */
Peter Barada8c4445d2012-11-13 07:40:28 +0000143 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
144 timings->ctrla = MICRON_V_ACTIMA_165;
145 timings->ctrlb = MICRON_V_ACTIMB_165;
146 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
Andreas Müller137703b2012-01-04 15:26:25 +0000147 break;
148 case REVISION_1: /* Micron 256MB/512MB, 1/2 banks of 256MB */
Ash Charlesbe4cc452014-05-21 14:04:52 -0700149 case REVISION_4:
Ash Charles802b3c72013-07-24 12:22:35 -0700150 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
151 timings->ctrla = MICRON_V_ACTIMA_200;
152 timings->ctrlb = MICRON_V_ACTIMB_200;
153 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
Andreas Müller137703b2012-01-04 15:26:25 +0000154 break;
155 case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */
Ash Charles802b3c72013-07-24 12:22:35 -0700156 timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
157 timings->ctrla = HYNIX_V_ACTIMA_200;
158 timings->ctrlb = HYNIX_V_ACTIMB_200;
159 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
Andreas Müller137703b2012-01-04 15:26:25 +0000160 break;
Steve Sakoman49720a42013-07-24 12:22:34 -0700161 case REVISION_3: /* Micron 512MB/1024MB, 1/2 banks of 512MB */
162 timings->mcfg = MCFG(512 << 20, 15);
163 timings->ctrla = MICRON_V_ACTIMA_200;
164 timings->ctrlb = MICRON_V_ACTIMB_200;
165 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
166 break;
Andreas Müller137703b2012-01-04 15:26:25 +0000167 default:
Peter Barada8c4445d2012-11-13 07:40:28 +0000168 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
169 timings->ctrla = MICRON_V_ACTIMA_165;
170 timings->ctrlb = MICRON_V_ACTIMB_165;
171 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
Andreas Müller137703b2012-01-04 15:26:25 +0000172 }
173}
174#endif
175
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700176/*
Steve Sakomana06e1622010-08-24 10:37:29 -0700177 * Routine: get_sdio2_config
178 * Description: Return information about the wifi module connection
179 * Returns 0 if the module connects though a level translator
180 * Returns 1 if the module connects directly
181 */
182int get_sdio2_config(void)
183{
184 int sdio_direct;
185
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400186 if (!gpio_request(130, "") && !gpio_request(139, "")) {
Steve Sakomana06e1622010-08-24 10:37:29 -0700187
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400188 gpio_direction_output(130, 0);
189 gpio_direction_input(139);
Steve Sakomana06e1622010-08-24 10:37:29 -0700190
191 sdio_direct = 1;
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400192 gpio_set_value(130, 0);
193 if (gpio_get_value(139) == 0) {
194 gpio_set_value(130, 1);
195 if (gpio_get_value(139) == 1)
Steve Sakomana06e1622010-08-24 10:37:29 -0700196 sdio_direct = 0;
197 }
198
Joe Hershbergerb5db0a02011-10-12 10:31:44 +0000199 gpio_direction_input(130);
Steve Sakomana06e1622010-08-24 10:37:29 -0700200 } else {
Andreas Müllerbae485d2012-01-04 15:26:20 +0000201 puts("Error: unable to acquire sdio2 clk GPIOs\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700202 sdio_direct = -1;
203 }
204
205 return sdio_direct;
206}
207
208/*
Steve Sakomand64b5b82010-09-20 08:05:14 -0700209 * Routine: get_expansion_id
210 * Description: This function checks for expansion board by checking I2C
211 * bus 2 for the availability of an AT24C01B serial EEPROM.
212 * returns the device_vendor field from the EEPROM
213 */
214unsigned int get_expansion_id(void)
215{
216 i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
217
218 /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */
219 if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
220 i2c_set_bus_num(TWL4030_I2C_BUS);
221 return GUMSTIX_NO_EEPROM;
222 }
223
224 /* read configuration data */
225 i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
226 sizeof(expansion_config));
227
228 i2c_set_bus_num(TWL4030_I2C_BUS);
229
230 return expansion_config.device_vendor;
231}
232
233/*
Dirk Behme9d0fc812009-01-28 21:39:57 +0100234 * Routine: misc_init_r
235 * Description: Configure board specific parts
Tom Rix58911512009-04-01 22:02:20 -0500236 */
Dirk Behme9d0fc812009-01-28 21:39:57 +0100237int misc_init_r(void)
238{
Ash Charlesea5940e2014-05-21 14:04:53 -0700239 unsigned int expansion_id;
240
Tom Rix2c155132009-06-28 12:52:30 -0500241 twl4030_power_init();
Grazvydas Ignotasead39d72009-12-10 17:10:21 +0200242 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
Dirk Behme9d0fc812009-01-28 21:39:57 +0100243
Olof Johanssondf382622009-09-29 10:22:45 -0400244#if defined(CONFIG_CMD_NET)
245 setup_net_chip();
246#endif
247
Steve Sakomanc2d5b342010-08-12 15:13:02 -0700248 printf("Board revision: %d\n", get_board_revision());
Steve Sakomana06e1622010-08-24 10:37:29 -0700249
250 switch (get_sdio2_config()) {
251 case 0:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000252 puts("Tranceiver detected on mmc2\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700253 MUX_OVERO_SDIO2_TRANSCEIVER();
254 break;
255 case 1:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000256 puts("Direct connection on mmc2\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700257 MUX_OVERO_SDIO2_DIRECT();
258 break;
259 default:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000260 puts("Unable to detect mmc2 connection type\n");
Steve Sakomana06e1622010-08-24 10:37:29 -0700261 }
262
Ash Charlesea5940e2014-05-21 14:04:53 -0700263 expansion_id = get_expansion_id();
264 switch (expansion_id) {
Steve Sakomand64b5b82010-09-20 08:05:14 -0700265 case GUMSTIX_SUMMIT:
266 printf("Recognized Summit expansion board (rev %d %s)\n",
267 expansion_config.revision,
268 expansion_config.fab_revision);
269 setenv("defaultdisplay", "dvi");
270 break;
271 case GUMSTIX_TOBI:
272 printf("Recognized Tobi expansion board (rev %d %s)\n",
273 expansion_config.revision,
274 expansion_config.fab_revision);
275 setenv("defaultdisplay", "dvi");
276 break;
277 case GUMSTIX_TOBI_DUO:
278 printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
279 expansion_config.revision,
280 expansion_config.fab_revision);
Philip Balister8f7109b2011-10-11 11:23:22 +0000281 /* second lan chip */
282 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
283 0x2B000000, GPMC_SIZE_16M);
Steve Sakomand64b5b82010-09-20 08:05:14 -0700284 break;
285 case GUMSTIX_PALO35:
286 printf("Recognized Palo35 expansion board (rev %d %s)\n",
287 expansion_config.revision,
288 expansion_config.fab_revision);
289 setenv("defaultdisplay", "lcd35");
290 break;
291 case GUMSTIX_PALO43:
292 printf("Recognized Palo43 expansion board (rev %d %s)\n",
293 expansion_config.revision,
294 expansion_config.fab_revision);
295 setenv("defaultdisplay", "lcd43");
296 break;
297 case GUMSTIX_CHESTNUT43:
298 printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
299 expansion_config.revision,
300 expansion_config.fab_revision);
301 setenv("defaultdisplay", "lcd43");
302 break;
303 case GUMSTIX_PINTO:
304 printf("Recognized Pinto expansion board (rev %d %s)\n",
305 expansion_config.revision,
306 expansion_config.fab_revision);
307 break;
308 case GUMSTIX_GALLOP43:
309 printf("Recognized Gallop43 expansion board (rev %d %s)\n",
310 expansion_config.revision,
311 expansion_config.fab_revision);
312 setenv("defaultdisplay", "lcd43");
313 break;
Ash Charlesea5940e2014-05-21 14:04:53 -0700314 case GUMSTIX_ALTO35:
315 printf("Recognized Alto35 expansion board (rev %d %s)\n",
316 expansion_config.revision,
317 expansion_config.fab_revision);
318 MUX_ALTO35();
319 setenv("defaultdisplay", "lcd35");
320 break;
321 case GUMSTIX_STAGECOACH:
322 printf("Recognized Stagecoach expansion board (rev %d %s)\n",
323 expansion_config.revision,
324 expansion_config.fab_revision);
325 break;
326 case GUMSTIX_THUMBO:
327 printf("Recognized Thumbo expansion board (rev %d %s)\n",
328 expansion_config.revision,
329 expansion_config.fab_revision);
330 break;
331 case GUMSTIX_TURTLECORE:
332 printf("Recognized Turtlecore expansion board (rev %d %s)\n",
333 expansion_config.revision,
334 expansion_config.fab_revision);
335 break;
336 case GUMSTIX_ARBOR43C:
337 printf("Recognized Arbor43C expansion board (rev %d %s)\n",
338 expansion_config.revision,
339 expansion_config.fab_revision);
340 MUX_ARBOR43C();
341 setenv("defaultdisplay", "lcd43");
342 break;
Steve Sakomand64b5b82010-09-20 08:05:14 -0700343 case ETTUS_USRP_E:
344 printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
345 expansion_config.revision,
346 expansion_config.fab_revision);
347 MUX_USRP_E();
348 setenv("defaultdisplay", "dvi");
349 break;
350 case GUMSTIX_NO_EEPROM:
Andreas Müllerbae485d2012-01-04 15:26:20 +0000351 puts("No EEPROM on expansion board\n");
Steve Sakomand64b5b82010-09-20 08:05:14 -0700352 break;
353 default:
Ash Charlesea5940e2014-05-21 14:04:53 -0700354 printf("Unrecognized expansion board 0x%08x\n", expansion_id);
355 break;
Steve Sakomand64b5b82010-09-20 08:05:14 -0700356 }
357
358 if (expansion_config.content == 1)
359 setenv(expansion_config.env_var, expansion_config.env_setting);
360
Dirk Behmee6a6a702009-03-12 19:30:50 +0100361 dieid_num_r();
362
Dirk Behme9d0fc812009-01-28 21:39:57 +0100363 return 0;
364}
365
Tom Rix58911512009-04-01 22:02:20 -0500366/*
Dirk Behme9d0fc812009-01-28 21:39:57 +0100367 * Routine: set_muxconf_regs
368 * Description: Setting up the configuration Mux registers specific to the
369 * hardware. Many pins need to be moved from protect to primary
370 * mode.
Tom Rix58911512009-04-01 22:02:20 -0500371 */
Dirk Behme9d0fc812009-01-28 21:39:57 +0100372void set_muxconf_regs(void)
373{
374 MUX_OVERO();
375}
Olof Johanssondf382622009-09-29 10:22:45 -0400376
377#if defined(CONFIG_CMD_NET)
378/*
379 * Routine: setup_net_chip
380 * Description: Setting up the configuration GPMC registers specific to the
381 * Ethernet hardware.
382 */
383static void setup_net_chip(void)
384{
385 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
386
Steve Sakomanba9a11e2010-08-12 21:07:02 -0700387 /* first lan chip */
388 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
389 GPMC_SIZE_16M);
390
Olof Johanssondf382622009-09-29 10:22:45 -0400391 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
392 writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
393 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
394 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
395 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
396 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
397 &ctrl_base->gpmc_nadv_ale);
398
399 /* Make GPIO 64 as output pin and send a magic pulse through it */
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400400 if (!gpio_request(64, "")) {
401 gpio_direction_output(64, 0);
402 gpio_set_value(64, 1);
Olof Johanssondf382622009-09-29 10:22:45 -0400403 udelay(1);
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400404 gpio_set_value(64, 0);
Olof Johanssondf382622009-09-29 10:22:45 -0400405 udelay(1);
Sanjeev Premi84c3b632011-09-08 10:51:01 -0400406 gpio_set_value(64, 1);
Olof Johanssondf382622009-09-29 10:22:45 -0400407 }
408}
409#endif
410
411int board_eth_init(bd_t *bis)
412{
413 int rc = 0;
414#ifdef CONFIG_SMC911X
415 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
416#endif
417 return rc;
418}
Steve Sakomancd7c5722010-09-19 21:21:07 -0700419
Andreas Müller137703b2012-01-04 15:26:25 +0000420#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
Steve Sakomancd7c5722010-09-19 21:21:07 -0700421int board_mmc_init(bd_t *bis)
422{
Nikita Kiryanove3913f52012-12-03 02:19:47 +0000423 return omap_mmc_init(0, 0, 0, -1, -1);
Steve Sakomancd7c5722010-09-19 21:21:07 -0700424}
425#endif