437 lines
12 KiB
C
437 lines
12 KiB
C
/*
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* Copyright (C) 2011-2015 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <debug.h>
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#include <drivers/display.h>
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#include <drivers/flash_nor.h>
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#include <drivers/iic.h>
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#include <drivers/power.h>
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#include <lib/devicetree.h>
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#include <lib/env.h>
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#include <lib/mib.h>
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#include <lib/syscfg.h>
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#include <platform.h>
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#include <platform/gpio.h>
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#include <platform/gpiodef.h>
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#include <platform/memmap.h>
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#include <sys.h>
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#include <sys/boot.h>
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#include <sys/menu.h>
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#include <sys/task.h>
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#include <target.h>
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#include <target/powerconfig.h>
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#define P101_PROTO0_BOARD (0)
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#define P101_PROTO2_BOARD (1)
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#define P101_EVT_BOARD (2)
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static u_int32_t ipad3b_get_board_rev(void);
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static void amelia_init();
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 90);
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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#include <drivers/displayport/displayport.h>
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static dp_t dp;
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#endif
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void target_early_init(void)
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{
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}
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void target_late_init(void)
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{
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if (target_config_ap()) {
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// Deprecate Proto0/1
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// Since board revs are shared between dev boards and enclosures,
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// depreate only enclosures
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if (ipad3b_get_board_rev() < P101_PROTO2_BOARD)
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platform_not_supported();
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}
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}
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void target_init(void)
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{
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// Cold-boot defaults for GPIOs where pinconfig.h differs,
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// and it can't wait for the AppleARMFunction creation.
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unsigned int i;
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// <rdar://problem/11580048> P102 use 18.5mA for IRATE setting, not OTP value of 21mA
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if (ipad3b_get_board_rev() <= P101_EVT_BOARD) {
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const uint8_t pmu_data[] = {
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0x23,0x03, // bank 3
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0xd2,0x01, // enter test mode
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0x23,0x01, // bank 1
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0x89,0x21, // WLED_CTRL4 16kHz, 18.5mA
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0x23,0x03, // bank 3
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0xd2,0x00, // exit test mode
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0x23,0x00 // bank 0
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};
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for (i = 0; i < sizeof(pmu_data); i += 2)
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iic_write(0, 0x78, &pmu_data[i], 2);
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}
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// lower VDD_UNDER to 2.9V
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{
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uint8_t pmu_data[] = {
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0x23,0x03, // bank 3
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0xd2,0x01, // enter test mode
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0x23,0x01, // bank 1
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0xd5,0x00, // TRIM/CONF73
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0x23,0x03, // bank 3
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0xd2,0x00, // exit test mode
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0x23,0x00 // bank 0
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};
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for (i = 0; i < sizeof(pmu_data); i += 2) {
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if (i == 6) {
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iic_read(0, 0x78, &pmu_data[i], 1, &pmu_data[i+1], 1, IIC_NORMAL);
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pmu_data[i+1] = (pmu_data[i+1] & ~7) | 2; // VDD_FAULT = 2.9V
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}
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iic_write(0, 0x78, &pmu_data[i], 2);
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}
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}
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#if WITH_HW_FLASH_NOR
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flash_nor_init(SPI_NOR0);
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#endif
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}
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void target_quiesce_hardware(void)
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{
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}
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void target_poweroff(void)
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{
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}
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int target_bootprep(enum boot_target target)
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{
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switch (target) {
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case BOOT_DARWIN:
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case BOOT_DARWIN_RESTORE:
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case BOOT_DIAGS:
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break;
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default:
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; // do nothing
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}
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return 0;
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}
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bool target_should_recover(void)
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{
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return platform_get_request_dfu2() && power_has_usb();
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}
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bool target_should_poweron(bool *cold_button_boot)
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{
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#if WITH_HW_POWER
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if (power_get_boot_flag() == kPowerBootFlagColdButton) *cold_button_boot = true;
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#else
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*cold_button_boot = false;
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#endif
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return !*cold_button_boot || platform_get_request_dfu1();
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}
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bool target_should_poweroff(bool at_boot)
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{
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return platform_get_request_dfu1() && (!at_boot || !power_has_usb());
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}
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#if APPLICATION_IBOOT
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void target_watchdog_tickle(void)
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{
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u_int32_t value = gpio_read(GPIO_WDOG_TICKLE);
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gpio_write(GPIO_WDOG_TICKLE, value ^ 1);
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}
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#endif // APPLICATION_IBOOT
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void * target_get_display_configuration(void)
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{
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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dp.mode = 0x1;
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dp.type = 0x1;
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dp.min_link_rate = 0x6;
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dp.max_link_rate = 0x6;
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dp.lanes = 0x4;
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dp.ssc = 0x0;
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dp.alpm = 0x0;
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dp.vrr_enable = 0x0;
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dp.vrr_on = 0x0;
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return ((void *)(&dp));
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#else
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return NULL;
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#endif
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}
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#if WITH_ENV
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void target_setup_default_environment(void)
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{
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// XXX follow up on 'display-timing' below setting below
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env_set("boot-device", "nand0", 0);
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env_set("display-color-space","RGB888", 0);
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env_set("display-timing", "ipad3", 0);
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}
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#endif
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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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DTNode *node;
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#if WITH_HW_DISPLAY_EDP
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DTNode *clcd_node = NULL, *backlight_node = NULL, *lcd_node = NULL;
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#endif
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uint32_t propSize, propCnt;
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char *propName;
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void *propData;
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// Update the DWI node with the actual voltages
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if (FindNode(0, "arm-io/dwi", &node)) {
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propName = "voltages-buck0";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propCnt = propSize / sizeof(u_int32_t);
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platform_get_cpu_voltages(propCnt, propData);
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platform_convert_voltages(0, propCnt, propData);
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}
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propName = "voltages-buck2";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propCnt = propSize / sizeof(u_int32_t);
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platform_get_soc_voltages(propCnt, propData);
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platform_convert_voltages(2, propCnt, propData);
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}
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}
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#if WITH_HW_DISPLAY_EDP
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if (FindNode(0, DP_DTPATH, &node)) {
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extern int edp_update_device_tree(DTNode *edp_node, DTNode *lcd_node, DTNode *clcd_node, DTNode *backlight_node);
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FindNode(0, "arm-io/clcd", &clcd_node);
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FindNode(0, DP_DTPATH "/lcd", &lcd_node);
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FindNode(0, "backlight", &backlight_node);
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edp_update_device_tree(node, lcd_node, clcd_node, backlight_node);
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}
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#endif
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// Update the bottom prox calibration data
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if (FindNode(0, "arm-io/i2c1/prox", &node)) {
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propName = "prox-calibration-blob";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPCl', propData, propSize);
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}
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}
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// Update the backlight calibration data
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if (FindNode(0, "backlight", &node)) {
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propName = "backlight-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('BLCl', propData, propSize);
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}
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}
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// Update the compass calibration data
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if (FindNode(0, "arm-io/i2c1/compass", &node)) {
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propName = "compass-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPAS', propData, propSize);
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}
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}
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// Update als node with calibration data
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if (FindNode(0, "arm-io/i2c2/als", &node)) {
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propName = "backlight-leakage-channel0";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ALC0', propData, propSize);
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}
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propName = "backlight-leakage-channel1";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ALC1', propData, propSize);
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}
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propName = "alsCalibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('AlsC', propData, propSize);
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}
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propName = "als-colorCfg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ClrC', propData, propSize);
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}
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}
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// Update the gyro calibration data
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if (FindNode(0, "arm-io/i2c2/gyro", &node)) {
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propName = "low-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTGO', propData, propSize);
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}
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propName = "high-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('HTGO', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-sens-matrix-inverse";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCi', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update the gyro1 calibration data
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if (FindNode(0, "arm-io/i2c2/gyro1", &node)) {
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propName = "low-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTGO', propData, propSize);
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}
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propName = "high-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('HTGO', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-sens-matrix-inverse";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCi', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update accelerometer calibration data
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if (FindNode(0, "arm-io/i2c2/accelerometer", &node)) {
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propName = "low-temp-accel-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTAO', propData, propSize);
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}
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propName = "accel-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ASCl', propData, propSize);
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}
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}
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// Update the speaker calibration data
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if (FindNode(0, "arm-io/i2c0/audio-speaker0", &node)) {
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propName = "speaker-rdc";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('SRdc', propData, propSize);
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}
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propName = "speaker-config";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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uint8_t vpbr[2];
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if (syscfgCopyDataForTag('VPBR', vpbr, sizeof(vpbr)) == 2) {
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((uint8_t *)propData)[12] = (((uint8_t *)propData)[12] & ~0x1f) | ((vpbr[0] - 6) & 0x1f);
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((uint8_t *)propData)[32] = (((uint8_t *)propData)[12] & ~0x1f) | ((vpbr[1] - 6) & 0x1f);
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}
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uint8_t vbst[2];
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if (syscfgCopyDataForTag('VBST', vbst, sizeof(vbst)) == 2) {
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((uint8_t *)propData)[16] = vbst[0];
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((uint8_t *)propData)[36] = vbst[1];
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}
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}
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}
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// Update camera calibration data
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if (FindNode(0, "arm-io/isp", &node)) {
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propName = "camera-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CmCl', propData, propSize);
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}
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}
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// Dev1 audio config
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if (target_config_dev()) {
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if (ipad3b_get_board_rev() < P101_PROTO2_BOARD) {
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// disable speaker nodes
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if (FindNode(0, "arm-io/i2c0/audio-speaker0", &node)) {
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propName = "reg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "AAPL,ignore", kPropNameLength);
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}
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}
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if (FindNode(0, "arm-io/i2c0/audio-speaker1", &node)) {
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propName = "reg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "AAPL,ignore", kPropNameLength);
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}
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}
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// restore built-in speaker
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if (FindNode(0, "arm-io/spi1/audio-codec", &node)) {
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propName = "function-spkr_mute_xxx";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-spkr_mute", kPropNameLength);
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}
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propName = "aout1-speaker_xxx";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "aout1-speaker", kPropNameLength);
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}
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propName = "aout2-speaker_xxx";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "aout2-speaker", kPropNameLength);
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}
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}
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}
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}
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return 0;
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}
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#endif
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static u_int32_t ipad3b_get_board_rev(void)
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{
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u_int32_t gpio_board_rev;
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PUP);
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spin(100); // Wait 100us
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gpio_board_rev =
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(gpio_read(GPIO_BOARD_REV2) << 2) |
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(gpio_read(GPIO_BOARD_REV1) << 1) |
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(gpio_read(GPIO_BOARD_REV0) << 0);
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_DFLT);
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return (gpio_board_rev & 0x7);
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}
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