As reported in http://marc.info/?l=u-boot&m=137358037827735&w=2 There is no need for the "xMB" variant, as the gpio pins used for identification where never changed from the xMA when the newer silcon was used for the xMB, So rename XM A revision as AB revision and report accordingly Reported-by: Robert Nelson <robertcnelson@gmail.com> Signed-off-by: Nishanth Menon <nm@ti.com>
542 lines
14 KiB
C
542 lines
14 KiB
C
/*
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* (C) Copyright 2004-2011
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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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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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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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#include <twl4030.h>
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#include <linux/mtd/nand.h>
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#include <asm/io.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/mem.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/omap_musb.h>
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#include <asm/errno.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/gadget.h>
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#include <linux/usb/musb.h>
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#include "beagle.h"
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#include <command.h>
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#ifdef CONFIG_USB_EHCI
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#include <usb.h>
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#include <asm/ehci-omap.h>
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#endif
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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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#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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#define BCT_BRETTL3 0x01000F00
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#define BCT_BRETTL4 0x02000F00
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#define LSR_COM6L_ADPT 0x01001300
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#define BEAGLE_NO_EEPROM 0xffffffff
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DECLARE_GLOBAL_DATA_PTR;
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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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/*
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* Routine: board_init
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* Description: Early hardware init.
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*/
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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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#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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return 0;
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}
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/*
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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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* C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading
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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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* GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx
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* GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx
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*/
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static int get_board_revision(void)
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{
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int revision;
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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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gpio_direction_input(171);
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gpio_direction_input(172);
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gpio_direction_input(173);
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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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} else {
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printf("Error: unable to acquire board revision GPIOs\n");
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revision = -1;
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}
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return revision;
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}
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#ifdef CONFIG_SPL_BUILD
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/*
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* Routine: get_board_mem_timings
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* Description: If we use SPL then there is no x-loader nor config header
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* so we have to setup the DDR timings ourself on both banks.
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*/
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void get_board_mem_timings(struct board_sdrc_timings *timings)
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{
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int pop_mfr, pop_id;
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/*
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* We need to identify what PoP memory is on the board so that
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* we know what timings to use. If we can't identify it then
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* we know it's an xM. To map the ID values please see nand_ids.c
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*/
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identify_nand_chip(&pop_mfr, &pop_id);
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timings->mr = MICRON_V_MR_165;
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switch (get_board_revision()) {
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case REVISION_C4:
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if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
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/* 512MB DDR */
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timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
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timings->ctrla = NUMONYX_V_ACTIMA_165;
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timings->ctrlb = NUMONYX_V_ACTIMB_165;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
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break;
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} else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
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/* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
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timings->mcfg = MICRON_V_MCFG_165(128 << 20);
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timings->ctrla = MICRON_V_ACTIMA_165;
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timings->ctrlb = MICRON_V_ACTIMB_165;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
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break;
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} else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
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/* Beagleboard Rev C5, 256MB DDR */
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timings->mcfg = MICRON_V_MCFG_200(256 << 20);
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timings->ctrla = MICRON_V_ACTIMA_200;
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timings->ctrlb = MICRON_V_ACTIMB_200;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
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break;
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}
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case REVISION_XM_AB:
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case REVISION_XM_C:
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if (pop_mfr == 0) {
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/* 256MB DDR */
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timings->mcfg = MICRON_V_MCFG_200(256 << 20);
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timings->ctrla = MICRON_V_ACTIMA_200;
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timings->ctrlb = MICRON_V_ACTIMB_200;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
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} else {
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/* 512MB DDR */
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timings->mcfg = NUMONYX_V_MCFG_165(512 << 20);
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timings->ctrla = NUMONYX_V_ACTIMA_165;
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timings->ctrlb = NUMONYX_V_ACTIMB_165;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
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}
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break;
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default:
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/* Assume 128MB and Micron/165MHz timings to be safe */
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timings->mcfg = MICRON_V_MCFG_165(128 << 20);
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timings->ctrla = MICRON_V_ACTIMA_165;
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timings->ctrlb = MICRON_V_ACTIMB_165;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
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}
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}
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#endif
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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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static 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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/* retry reading configuration data with 16bit addressing */
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if ((expansion_config.device_vendor == 0xFFFFFF00) ||
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(expansion_config.device_vendor == 0xFFFFFFFF)) {
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printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n");
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i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config,
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sizeof(expansion_config));
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}
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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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#ifdef CONFIG_VIDEO_OMAP3
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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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static 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_AB:
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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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/*
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* Enable DVI power
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*/
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static void beagle_dvi_pup(void)
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{
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uchar val;
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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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gpio_request(170, "");
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gpio_direction_output(170, 0);
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gpio_set_value(170, 1);
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break;
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case REVISION_XM_AB:
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case REVISION_XM_C:
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default:
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#define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
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#define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
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i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
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val |= 4;
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i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
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i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
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val |= 4;
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i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
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break;
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}
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}
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#endif
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#ifdef CONFIG_USB_MUSB_OMAP2PLUS
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static struct musb_hdrc_config musb_config = {
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.multipoint = 1,
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.dyn_fifo = 1,
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.num_eps = 16,
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.ram_bits = 12,
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};
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static struct omap_musb_board_data musb_board_data = {
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.interface_type = MUSB_INTERFACE_ULPI,
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};
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static struct musb_hdrc_platform_data musb_plat = {
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#if defined(CONFIG_MUSB_HOST)
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.mode = MUSB_HOST,
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#elif defined(CONFIG_MUSB_GADGET)
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.mode = MUSB_PERIPHERAL,
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#else
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#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
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#endif
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.config = &musb_config,
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.power = 100,
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.platform_ops = &omap2430_ops,
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.board_data = &musb_board_data,
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};
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#endif
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/*
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* Routine: misc_init_r
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* Description: Configure board specific parts
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*/
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int misc_init_r(void)
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{
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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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struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
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/* Enable i2c2 pullup resisters */
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writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
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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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setenv("beaglerev", "C4");
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MUX_BEAGLE_C();
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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_AB:
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printf("Beagle xM Rev A/B\n");
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setenv("beaglerev", "xMAB");
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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_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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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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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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}
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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");
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break;
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case LW_BEAGLETOUCH:
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printf("Recognized Liquidware BeagleTouch board\n");
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setenv("buddy", "beagletouch");
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break;
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case BRAINMUX_LCDOG:
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printf("Recognized Brainmux LCDog board\n");
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setenv("buddy", "lcdog");
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break;
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case BRAINMUX_LCDOGTOUCH:
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printf("Recognized Brainmux LCDog Touch board\n");
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setenv("buddy", "lcdogtouch");
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break;
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case BBTOYS_WIFI:
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printf("Recognized BeagleBoardToys WiFi board\n");
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MUX_BBTOYS_WIFI()
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setenv("buddy", "bbtoys-wifi");
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break;;
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case BBTOYS_VGA:
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printf("Recognized BeagleBoardToys VGA board\n");
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break;;
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case BBTOYS_LCD:
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printf("Recognized BeagleBoardToys LCD board\n");
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break;;
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case BCT_BRETTL3:
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printf("Recognized bct electronic GmbH brettl3 board\n");
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break;
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case BCT_BRETTL4:
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printf("Recognized bct electronic GmbH brettl4 board\n");
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break;
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case LSR_COM6L_ADPT:
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printf("Recognized LSR COM6L Adapter Board\n");
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MUX_BBTOYS_WIFI()
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setenv("buddy", "lsr-com6l-adpt");
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break;
|
|
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);
|
|
|
|
twl4030_power_init();
|
|
switch (get_board_revision()) {
|
|
case REVISION_XM_AB:
|
|
twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
|
|
break;
|
|
default:
|
|
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
|
|
break;
|
|
}
|
|
|
|
/* Set GPIO states before they are made outputs */
|
|
writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
|
|
&gpio6_base->setdataout);
|
|
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
|
|
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
|
|
|
|
/* 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);
|
|
|
|
dieid_num_r();
|
|
|
|
#ifdef CONFIG_VIDEO_OMAP3
|
|
beagle_dvi_pup();
|
|
beagle_display_init();
|
|
omap3_dss_enable();
|
|
#endif
|
|
|
|
#ifdef CONFIG_USB_MUSB_OMAP2PLUS
|
|
musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
void set_muxconf_regs(void)
|
|
{
|
|
MUX_BEAGLE();
|
|
}
|
|
|
|
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
|
|
int board_mmc_init(bd_t *bis)
|
|
{
|
|
return omap_mmc_init(0, 0, 0, -1, -1);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
|
|
/* Call usb_stop() before starting the kernel */
|
|
void show_boot_progress(int val)
|
|
{
|
|
if (val == BOOTSTAGE_ID_RUN_OS)
|
|
usb_stop();
|
|
}
|
|
|
|
static struct omap_usbhs_board_data usbhs_bdata = {
|
|
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
|
|
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
|
|
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
|
|
};
|
|
|
|
int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
|
|
{
|
|
return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor);
|
|
}
|
|
|
|
int ehci_hcd_stop(int index)
|
|
{
|
|
return omap_ehci_hcd_stop();
|
|
}
|
|
|
|
#endif /* CONFIG_USB_EHCI */
|
|
|
|
#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
return usb_eth_initialize(bis);
|
|
}
|
|
#endif
|