2009-01-28 02:19:12 +09:00
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/*
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* (C) Copyright 2004-2008
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* Texas Instruments, <www.ti.com>
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*
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* Author :
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* Sunil Kumar <sunilsaini05@gmail.com>
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* Shashi Ranjan <shashiranjanmca05@gmail.com>
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*
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* Derived from Beagle Board and 3430 SDP code by
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* Richard Woodruff <r-woodruff2@ti.com>
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* Syed Mohammed Khasim <khasim@ti.com>
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*
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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2011-04-19 06:23:35 +09:00
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#ifdef CONFIG_STATUS_LED
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#include <status_led.h>
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#endif
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2009-06-29 02:52:30 +09:00
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#include <twl4030.h>
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2009-01-28 02:19:12 +09:00
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#include <asm/io.h>
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2010-09-20 13:19:48 +09:00
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#include <asm/arch/mmc_host_def.h>
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2009-01-28 02:19:12 +09:00
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#include <asm/arch/mux.h>
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#include <asm/arch/sys_proto.h>
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2011-09-08 23:51:01 +09:00
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#include <asm/gpio.h>
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2009-01-28 02:19:12 +09:00
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#include <asm/mach-types.h>
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2011-04-19 22:30:35 +09:00
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#ifdef CONFIG_USB_EHCI
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#include <usb.h>
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#include <asm/arch/clocks.h>
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#include <asm/arch/clocks_omap3.h>
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#include <asm/arch/ehci_omap3.h>
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/* from drivers/usb/host/ehci-core.h */
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extern struct ehci_hccr *hccr;
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extern volatile struct ehci_hcor *hcor;
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#endif
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2009-01-28 02:19:12 +09:00
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#include "beagle.h"
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2010-07-21 21:41:25 +09:00
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#include <command.h>
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2009-01-28 02:19:12 +09:00
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2011-04-19 22:30:35 +09:00
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#define pr_debug(fmt, args...) debug(fmt, ##args)
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2010-09-21 02:21:33 +09:00
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#define TWL4030_I2C_BUS 0
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#define EXPANSION_EEPROM_I2C_BUS 1
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#define EXPANSION_EEPROM_I2C_ADDRESS 0x50
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#define TINCANTOOLS_ZIPPY 0x01000100
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#define TINCANTOOLS_ZIPPY2 0x02000100
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#define TINCANTOOLS_TRAINER 0x04000100
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#define TINCANTOOLS_SHOWDOG 0x03000100
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#define KBADC_BEAGLEFPGA 0x01000600
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2011-04-19 06:29:35 +09:00
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#define LW_BEAGLETOUCH 0x01000700
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#define BRAINMUX_LCDOG 0x01000800
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#define BRAINMUX_LCDOGTOUCH 0x02000800
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#define BBTOYS_WIFI 0x01000B00
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#define BBTOYS_VGA 0x02000B00
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#define BBTOYS_LCD 0x03000B00
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2010-09-21 02:21:33 +09:00
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#define BEAGLE_NO_EEPROM 0xffffffff
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2010-12-21 10:27:51 +09:00
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DECLARE_GLOBAL_DATA_PTR;
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2010-09-21 02:21:33 +09:00
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static struct {
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unsigned int device_vendor;
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unsigned char revision;
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unsigned char content;
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char fab_revision[8];
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char env_var[16];
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char env_setting[64];
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} expansion_config;
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2009-04-02 12:02:20 +09:00
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/*
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2009-01-28 02:19:12 +09:00
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* Routine: board_init
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* Description: Early hardware init.
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2009-04-02 12:02:20 +09:00
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*/
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2009-01-28 02:19:12 +09:00
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int board_init(void)
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{
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gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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/* board id for Linux */
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gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
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/* boot param addr */
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gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
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2011-04-19 06:23:35 +09:00
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#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
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status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
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#endif
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2009-01-28 02:19:12 +09:00
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return 0;
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}
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2009-04-02 12:02:20 +09:00
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/*
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2010-08-13 07:17:37 +09:00
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* Routine: get_board_revision
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* Description: Detect if we are running on a Beagle revision Ax/Bx,
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2010-08-20 12:56:11 +09:00
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* C1/2/3, C4 or xM. This can be done by reading
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2010-08-13 07:17:37 +09:00
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* the level of GPIO173, GPIO172 and GPIO171. This should
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* result in
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* GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
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* GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
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* GPIO173, GPIO172, GPIO171: 1 0 1 => C4
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2010-08-20 12:56:11 +09:00
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* GPIO173, GPIO172, GPIO171: 0 0 0 => xM
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2009-04-02 12:02:20 +09:00
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*/
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2010-08-13 07:17:37 +09:00
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int get_board_revision(void)
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2009-02-13 02:55:41 +09:00
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{
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2010-08-13 07:17:37 +09:00
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int revision;
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2009-02-13 02:55:41 +09:00
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2011-09-08 23:51:01 +09:00
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if (!gpio_request(171, "") &&
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!gpio_request(172, "") &&
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!gpio_request(173, "")) {
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2009-06-03 15:53:57 +09:00
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2011-09-08 23:51:01 +09:00
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gpio_direction_input(171);
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gpio_direction_input(172);
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gpio_direction_input(173);
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2009-06-03 15:53:57 +09:00
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2011-09-08 23:51:01 +09:00
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revision = gpio_get_value(173) << 2 |
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gpio_get_value(172) << 1 |
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gpio_get_value(171);
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2010-08-13 07:17:37 +09:00
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2011-09-08 23:51:01 +09:00
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gpio_free(171);
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gpio_free(172);
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gpio_free(173);
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2010-08-13 07:17:37 +09:00
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} else {
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printf("Error: unable to acquire board revision GPIOs\n");
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revision = -1;
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2009-06-03 15:53:57 +09:00
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}
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2009-02-13 02:55:41 +09:00
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2010-08-13 07:17:37 +09:00
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return revision;
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2009-02-13 02:55:41 +09:00
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}
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2010-09-21 02:21:33 +09:00
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/*
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* Routine: get_expansion_id
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* Description: This function checks for expansion board by checking I2C
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* bus 1 for the availability of an AT24C01B serial EEPROM.
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* returns the device_vendor field from the EEPROM
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*/
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unsigned int get_expansion_id(void)
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{
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i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
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/* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
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if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
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i2c_set_bus_num(TWL4030_I2C_BUS);
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return BEAGLE_NO_EEPROM;
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}
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/* read configuration data */
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i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
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sizeof(expansion_config));
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i2c_set_bus_num(TWL4030_I2C_BUS);
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return expansion_config.device_vendor;
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}
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2011-04-20 04:01:13 +09:00
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/*
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* Configure DSS to display background color on DVID
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* Configure VENC to display color bar on S-Video
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*/
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void beagle_display_init(void)
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{
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omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
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switch (get_board_revision()) {
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case REVISION_AXBX:
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case REVISION_CX:
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case REVISION_C4:
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omap3_dss_panel_config(&dvid_cfg);
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break;
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case REVISION_XM_A:
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case REVISION_XM_B:
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case REVISION_XM_C:
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default:
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omap3_dss_panel_config(&dvid_cfg_xm);
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break;
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}
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}
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2009-04-02 12:02:20 +09:00
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/*
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2009-01-28 02:19:12 +09:00
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* Routine: misc_init_r
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* Description: Configure board specific parts
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2009-04-02 12:02:20 +09:00
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*/
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2009-01-28 02:19:12 +09:00
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int misc_init_r(void)
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{
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2009-08-08 16:30:21 +09:00
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struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
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struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
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2011-04-20 22:52:26 +09:00
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struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
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2011-04-19 06:27:00 +09:00
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/* Enable i2c2 pullup resisters */
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writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
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2009-01-28 02:19:12 +09:00
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2010-08-13 07:17:37 +09:00
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switch (get_board_revision()) {
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case REVISION_AXBX:
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printf("Beagle Rev Ax/Bx\n");
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setenv("beaglerev", "AxBx");
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break;
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case REVISION_CX:
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printf("Beagle Rev C1/C2/C3\n");
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setenv("beaglerev", "Cx");
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MUX_BEAGLE_C();
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break;
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case REVISION_C4:
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printf("Beagle Rev C4\n");
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2010-08-20 12:56:11 +09:00
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setenv("beaglerev", "C4");
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2010-08-13 07:17:37 +09:00
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MUX_BEAGLE_C();
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/* Set VAUX2 to 1.8V for EHCI PHY */
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2010-08-20 12:56:11 +09:00
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twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
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TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
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TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
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TWL4030_PM_RECEIVER_DEV_GRP_P1);
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break;
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2011-04-19 06:28:32 +09:00
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case REVISION_XM_A:
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2010-08-20 12:56:11 +09:00
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printf("Beagle xM Rev A\n");
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setenv("beaglerev", "xMA");
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2011-04-19 06:28:32 +09:00
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MUX_BEAGLE_XM();
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/* Set VAUX2 to 1.8V for EHCI PHY */
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twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
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TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
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TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
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TWL4030_PM_RECEIVER_DEV_GRP_P1);
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break;
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case REVISION_XM_B:
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printf("Beagle xM Rev B\n");
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setenv("beaglerev", "xMB");
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2010-08-20 12:56:11 +09:00
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MUX_BEAGLE_XM();
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/* Set VAUX2 to 1.8V for EHCI PHY */
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2011-06-17 16:37:37 +09:00
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twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
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TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
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TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
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TWL4030_PM_RECEIVER_DEV_GRP_P1);
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break;
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case REVISION_XM_C:
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printf("Beagle xM Rev C\n");
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setenv("beaglerev", "xMC");
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MUX_BEAGLE_XM();
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/* Set VAUX2 to 1.8V for EHCI PHY */
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2010-08-13 07:17:37 +09:00
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twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
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TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
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TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
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TWL4030_PM_RECEIVER_DEV_GRP_P1);
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break;
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default:
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printf("Beagle unknown 0x%02x\n", get_board_revision());
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2011-04-19 06:28:32 +09:00
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MUX_BEAGLE_XM();
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/* Set VAUX2 to 1.8V for EHCI PHY */
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twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
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TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
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TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
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TWL4030_PM_RECEIVER_DEV_GRP_P1);
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2010-08-13 07:17:37 +09:00
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}
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2010-09-21 02:21:33 +09:00
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switch (get_expansion_id()) {
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case TINCANTOOLS_ZIPPY:
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printf("Recognized Tincantools Zippy board (rev %d %s)\n",
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expansion_config.revision,
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expansion_config.fab_revision);
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MUX_TINCANTOOLS_ZIPPY();
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setenv("buddy", "zippy");
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break;
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case TINCANTOOLS_ZIPPY2:
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printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
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expansion_config.revision,
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expansion_config.fab_revision);
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MUX_TINCANTOOLS_ZIPPY();
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setenv("buddy", "zippy2");
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break;
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case TINCANTOOLS_TRAINER:
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printf("Recognized Tincantools Trainer board (rev %d %s)\n",
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expansion_config.revision,
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expansion_config.fab_revision);
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MUX_TINCANTOOLS_ZIPPY();
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MUX_TINCANTOOLS_TRAINER();
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setenv("buddy", "trainer");
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break;
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case TINCANTOOLS_SHOWDOG:
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printf("Recognized Tincantools Showdow board (rev %d %s)\n",
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expansion_config.revision,
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expansion_config.fab_revision);
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/* Place holder for DSS2 definition for showdog lcd */
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setenv("defaultdisplay", "showdoglcd");
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setenv("buddy", "showdog");
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break;
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case KBADC_BEAGLEFPGA:
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printf("Recognized KBADC Beagle FPGA board\n");
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MUX_KBADC_BEAGLEFPGA();
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|
|
setenv("buddy", "beaglefpga");
|
|
|
|
break;
|
2011-04-19 06:29:35 +09:00
|
|
|
case LW_BEAGLETOUCH:
|
|
|
|
printf("Recognized Liquidware BeagleTouch board\n");
|
|
|
|
setenv("buddy", "beagletouch");
|
|
|
|
break;
|
|
|
|
case BRAINMUX_LCDOG:
|
|
|
|
printf("Recognized Brainmux LCDog board\n");
|
|
|
|
setenv("buddy", "lcdog");
|
|
|
|
break;
|
|
|
|
case BRAINMUX_LCDOGTOUCH:
|
|
|
|
printf("Recognized Brainmux LCDog Touch board\n");
|
|
|
|
setenv("buddy", "lcdogtouch");
|
|
|
|
break;
|
|
|
|
case BBTOYS_WIFI:
|
|
|
|
printf("Recognized BeagleBoardToys WiFi board\n");
|
|
|
|
MUX_BBTOYS_WIFI()
|
|
|
|
setenv("buddy", "bbtoys-wifi");
|
|
|
|
break;;
|
|
|
|
case BBTOYS_VGA:
|
|
|
|
printf("Recognized BeagleBoardToys VGA board\n");
|
|
|
|
break;;
|
|
|
|
case BBTOYS_LCD:
|
|
|
|
printf("Recognized BeagleBoardToys LCD board\n");
|
|
|
|
break;;
|
2010-09-21 02:21:33 +09:00
|
|
|
case BEAGLE_NO_EEPROM:
|
|
|
|
printf("No EEPROM on expansion board\n");
|
|
|
|
setenv("buddy", "none");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
printf("Unrecognized expansion board: %x\n",
|
|
|
|
expansion_config.device_vendor);
|
|
|
|
setenv("buddy", "unknown");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (expansion_config.content == 1)
|
|
|
|
setenv(expansion_config.env_var, expansion_config.env_setting);
|
|
|
|
|
2009-06-29 02:52:30 +09:00
|
|
|
twl4030_power_init();
|
2011-08-25 07:17:31 +09:00
|
|
|
switch (get_board_revision()) {
|
|
|
|
case REVISION_XM_A:
|
|
|
|
case REVISION_XM_B:
|
|
|
|
twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
|
|
|
|
break;
|
|
|
|
}
|
2009-01-28 02:19:12 +09:00
|
|
|
|
2011-02-24 22:16:44 +09:00
|
|
|
/* Set GPIO states before they are made outputs */
|
2009-01-28 02:19:12 +09:00
|
|
|
writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
|
|
|
|
&gpio6_base->setdataout);
|
|
|
|
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
|
|
|
|
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
|
|
|
|
|
2011-02-24 22:16:44 +09:00
|
|
|
/* Configure GPIOs to output */
|
|
|
|
writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
|
|
|
|
writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
|
|
|
|
GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
|
|
|
|
|
2009-03-13 03:30:50 +09:00
|
|
|
dieid_num_r();
|
2011-04-20 04:01:13 +09:00
|
|
|
beagle_display_init();
|
|
|
|
omap3_dss_enable();
|
2009-03-13 03:30:50 +09:00
|
|
|
|
2009-01-28 02:19:12 +09:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-04-02 12:02:20 +09:00
|
|
|
/*
|
2009-01-28 02:19:12 +09:00
|
|
|
* Routine: set_muxconf_regs
|
|
|
|
* Description: Setting up the configuration Mux registers specific to the
|
|
|
|
* hardware. Many pins need to be moved from protect to primary
|
|
|
|
* mode.
|
2009-04-02 12:02:20 +09:00
|
|
|
*/
|
2009-01-28 02:19:12 +09:00
|
|
|
void set_muxconf_regs(void)
|
|
|
|
{
|
|
|
|
MUX_BEAGLE();
|
|
|
|
}
|
2010-09-20 13:19:48 +09:00
|
|
|
|
|
|
|
#ifdef CONFIG_GENERIC_MMC
|
|
|
|
int board_mmc_init(bd_t *bis)
|
|
|
|
{
|
|
|
|
omap_mmc_init(0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
2011-04-19 22:30:35 +09:00
|
|
|
|
|
|
|
#ifdef CONFIG_USB_EHCI
|
|
|
|
|
|
|
|
#define GPIO_PHY_RESET 147
|
|
|
|
|
|
|
|
/* Reset is needed otherwise the kernel-driver will throw an error. */
|
|
|
|
int ehci_hcd_stop(void)
|
|
|
|
{
|
|
|
|
pr_debug("Resetting OMAP3 EHCI\n");
|
2011-09-08 23:51:01 +09:00
|
|
|
gpio_set_value(GPIO_PHY_RESET, 0);
|
2011-04-19 22:30:35 +09:00
|
|
|
writel(OMAP_UHH_SYSCONFIG_SOFTRESET, OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG);
|
2011-06-17 16:26:17 +09:00
|
|
|
/* disable USB clocks */
|
|
|
|
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
|
|
|
|
sr32(&prcm_base->iclken_usbhost, 0, 1, 0);
|
|
|
|
sr32(&prcm_base->fclken_usbhost, 0, 2, 0);
|
|
|
|
sr32(&prcm_base->iclken3_core, 2, 1, 0);
|
|
|
|
sr32(&prcm_base->fclken3_core, 2, 1, 0);
|
2011-04-19 22:30:35 +09:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Call usb_stop() before starting the kernel */
|
|
|
|
void show_boot_progress(int val)
|
|
|
|
{
|
|
|
|
if(val == 15)
|
|
|
|
usb_stop();
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the OMAP3 EHCI controller and PHY on the BeagleBoard.
|
|
|
|
* Based on "drivers/usb/host/ehci-omap.c" from Linux 2.6.37.
|
|
|
|
* See there for additional Copyrights.
|
|
|
|
*/
|
|
|
|
int ehci_hcd_init(void)
|
|
|
|
{
|
|
|
|
pr_debug("Initializing OMAP3 ECHI\n");
|
|
|
|
|
|
|
|
/* Put the PHY in RESET */
|
2011-09-08 23:51:01 +09:00
|
|
|
gpio_request(GPIO_PHY_RESET, "");
|
|
|
|
gpio_direction_output(GPIO_PHY_RESET, 0);
|
|
|
|
gpio_set_value(GPIO_PHY_RESET, 0);
|
2011-04-19 22:30:35 +09:00
|
|
|
|
|
|
|
/* Hold the PHY in RESET for enough time till DIR is high */
|
|
|
|
/* Refer: ISSUE1 */
|
|
|
|
udelay(10);
|
|
|
|
|
|
|
|
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
|
|
|
|
/* Enable USBHOST_L3_ICLK (USBHOST_MICLK) */
|
|
|
|
sr32(&prcm_base->iclken_usbhost, 0, 1, 1);
|
|
|
|
/*
|
|
|
|
* Enable USBHOST_48M_FCLK (USBHOST_FCLK1)
|
|
|
|
* and USBHOST_120M_FCLK (USBHOST_FCLK2)
|
|
|
|
*/
|
|
|
|
sr32(&prcm_base->fclken_usbhost, 0, 2, 3);
|
|
|
|
/* Enable USBTTL_ICLK */
|
|
|
|
sr32(&prcm_base->iclken3_core, 2, 1, 1);
|
|
|
|
/* Enable USBTTL_FCLK */
|
|
|
|
sr32(&prcm_base->fclken3_core, 2, 1, 1);
|
|
|
|
pr_debug("USB clocks enabled\n");
|
|
|
|
|
|
|
|
/* perform TLL soft reset, and wait until reset is complete */
|
|
|
|
writel(OMAP_USBTLL_SYSCONFIG_SOFTRESET,
|
|
|
|
OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG);
|
|
|
|
/* Wait for TLL reset to complete */
|
|
|
|
while (!(readl(OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSSTATUS)
|
|
|
|
& OMAP_USBTLL_SYSSTATUS_RESETDONE));
|
|
|
|
pr_debug("TLL reset done\n");
|
|
|
|
|
|
|
|
writel(OMAP_USBTLL_SYSCONFIG_ENAWAKEUP |
|
|
|
|
OMAP_USBTLL_SYSCONFIG_SIDLEMODE |
|
|
|
|
OMAP_USBTLL_SYSCONFIG_CACTIVITY,
|
|
|
|
OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG);
|
|
|
|
|
|
|
|
/* Put UHH in NoIdle/NoStandby mode */
|
|
|
|
writel(OMAP_UHH_SYSCONFIG_ENAWAKEUP
|
|
|
|
| OMAP_UHH_SYSCONFIG_SIDLEMODE
|
|
|
|
| OMAP_UHH_SYSCONFIG_CACTIVITY
|
|
|
|
| OMAP_UHH_SYSCONFIG_MIDLEMODE,
|
|
|
|
OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG);
|
|
|
|
|
|
|
|
/* setup burst configurations */
|
|
|
|
writel(OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN
|
|
|
|
| OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN
|
|
|
|
| OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN,
|
|
|
|
OMAP3_UHH_BASE + OMAP_UHH_HOSTCONFIG);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Refer ISSUE1:
|
|
|
|
* Hold the PHY in RESET for enough time till
|
|
|
|
* PHY is settled and ready
|
|
|
|
*/
|
|
|
|
udelay(10);
|
2011-09-08 23:51:01 +09:00
|
|
|
gpio_set_value(GPIO_PHY_RESET, 1);
|
2011-04-19 22:30:35 +09:00
|
|
|
|
|
|
|
hccr = (struct ehci_hccr *)(OMAP3_EHCI_BASE);
|
|
|
|
hcor = (struct ehci_hcor *)(OMAP3_EHCI_BASE + 0x10);
|
|
|
|
|
|
|
|
pr_debug("OMAP3 EHCI init done\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* CONFIG_USB_EHCI */
|
2010-07-21 21:41:25 +09:00
|
|
|
|
|
|
|
/*
|
|
|
|
* This command returns the status of the user button on beagle xM
|
|
|
|
* Input - none
|
|
|
|
* Returns - 1 if button is held down
|
|
|
|
* 0 if button is not held down
|
|
|
|
*/
|
2011-09-22 10:53:22 +09:00
|
|
|
int do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
2010-07-21 21:41:25 +09:00
|
|
|
{
|
|
|
|
int button = 0;
|
|
|
|
int gpio;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* pass address parameter as argv[0] (aka command name),
|
|
|
|
* and all remaining args
|
|
|
|
*/
|
|
|
|
switch (get_board_revision()) {
|
|
|
|
case REVISION_AXBX:
|
|
|
|
case REVISION_CX:
|
|
|
|
case REVISION_C4:
|
|
|
|
gpio = 7;
|
|
|
|
break;
|
|
|
|
case REVISION_XM_A:
|
|
|
|
case REVISION_XM_B:
|
|
|
|
case REVISION_XM_C:
|
|
|
|
default:
|
|
|
|
gpio = 4;
|
|
|
|
break;
|
|
|
|
}
|
2011-09-08 23:51:01 +09:00
|
|
|
gpio_request(gpio, "");
|
|
|
|
gpio_direction_input(gpio);
|
2010-07-21 21:41:25 +09:00
|
|
|
printf("The user button is currently ");
|
2011-09-08 23:51:01 +09:00
|
|
|
if (gpio_get_value(gpio))
|
2010-07-21 21:41:25 +09:00
|
|
|
{
|
|
|
|
button = 1;
|
|
|
|
printf("PRESSED.\n");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
button = 0;
|
|
|
|
printf("NOT pressed.\n");
|
|
|
|
}
|
|
|
|
|
2011-09-08 23:51:01 +09:00
|
|
|
gpio_free(gpio);
|
2010-07-21 21:41:25 +09:00
|
|
|
|
|
|
|
return !button;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
U_BOOT_CMD(
|
|
|
|
userbutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
|
|
|
|
"Return the status of the BeagleBoard USER button",
|
|
|
|
""
|
|
|
|
);
|