432 lines
12 KiB
C
432 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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#include <target/display_gamma_tables.h>
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#define IPAD2B_PROTO0_DEV1_BOARD (0x0)
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#define IPAD2B_PROTO1_BOARD (0x1)
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#define IPAD2B_PROTO2_BOARD (0x2)
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#define IPAD2B_EVT1_BOARD (0x3)
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static uint32_t ipad2b_get_board_rev(void);
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MIB_CONSTANT_PTR(kMIBTargetDisplayGammaTablePtr,kOIDTypeStruct, (void *)ipad2b_display_gamma_tables);
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MIB_CONSTANT(kMIBTargetDisplayGammaTableCount, kOIDTypeUInt32, ARRAY_SIZE(ipad2b_display_gamma_tables));
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 1);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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static uint32_t display_config;
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void target_early_init(void)
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{
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unsigned int i;
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// For proto0, go back to 2.8 V: <rdar://problem/10759719> P105 LDO10 needs to be set to 2.5v for Proto1
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if (ipad2b_get_board_rev() == IPAD2B_PROTO0_DEV1_BOARD) {
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const uint8_t pmu_data[] = {
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0x38, 0x06,
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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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}
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void target_late_init(void)
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{
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}
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void target_init(void)
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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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// <rdar://problem/11492806> P105 EVT: Disable Alison LCM boost soft start to fix some grape fallouts
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// <rdar://problem/11792109> P105's LCM Boost: SW to disable OC every time boot
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if (ipad2b_get_board_rev() <= IPAD2B_EVT1_BOARD) {
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unsigned int i;
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const uint8_t pmu_data[] = {
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0x1e, 0x02, // bank 2
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0xd0, 0x01, // enable test mode
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0xef, 0x10, // disable OC for LCM boost
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0x1e, 0x01, // bank 1
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0xee, 0x0c, // trim_conf15 = 0x0c ; disable soft-start
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0x1e, 0x02, // bank 2
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0xd0, 0x00, // disable test mode
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0x1e, 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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}
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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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display_config = 0x00000944;
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// <rdar://problem/10632067> X124 LVDS panel timing parameters workaround for proto0
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if (ipad2b_get_board_rev() == IPAD2B_PROTO0_DEV1_BOARD) {
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display_config = 0x00000644;
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}
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return ((void *)(&display_config));
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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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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", "ipad2b", 0);
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// <rdar://problem/10632067> X124 LVDS panel timing parameters workaround for proto0
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if (ipad2b_get_board_rev() == IPAD2B_PROTO0_DEV1_BOARD) {
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env_set("display-timing", "ipad2b-p0", 0);
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}
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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, *clcd_node, *backlight_node;
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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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// Find the CLCD node
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FindNode(0, "arm-io/clcd", &clcd_node);
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#if WITH_HW_DISPLAY_PINOT
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if (FindNode(0, "arm-io/mipi-dsim/lcd", &node)) {
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extern int pinot_update_device_tree(DTNode *pinot_node, DTNode *clcd_node, DTNode *backlight_node);
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FindNode(0, "backlight", &backlight_node);
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pinot_update_device_tree(node, clcd_node, backlight_node);
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}
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#endif
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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 bottom prox calibration data
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if (FindNode(0, "arm-io/i2c1/prox", &node)) {
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propName = "prox-bottom-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('PBCl', propData, propSize);
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}
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propName = "prox-temp-base";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('PBTb', propData, propSize);
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}
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propName = "prox-centerpoint-base";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('PBCb', propData, propSize);
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}
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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 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-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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propName = "accel-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('AICl', propData, propSize);
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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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// Updte 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] & 0x1f);
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((uint8_t *)propData)[32] = (((uint8_t *)propData)[12] & ~0x1f) | (vpbr[1] & 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 USB input current limit
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if (FindNode(0, "charger", &node)) {
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propName = "usb-input-limit-max";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = TARGET_MAX_USB_INPUT_CURRENT;
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}
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}
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// pre-Proto2 Grape clock config
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if (ipad2b_get_board_rev() <= IPAD2B_PROTO1_BOARD) {
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if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
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propName = "function-clock_enable";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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propName = "function-clock_enable-pmu";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[21] = '\0';
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}
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}
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// configure PMU GPIO1 to be Grape clock (off until enabled)
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// configure SoC PWM2 to be disabled (
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power_gpio_configure(0, 0x11);
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gpio_configure(GPIO(7, 7), GPIO_CFG_IN);
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}
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// pre-EVT Grape LDO config
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if (ipad2b_get_board_rev() <= IPAD2B_PROTO2_BOARD) {
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if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
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propName = "function-power_ana";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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propName = "function-power_ldo";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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propName = "function-power_ldo-pre-evt";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[18] = '\0';
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}
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}
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}
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// pre-EVT speaker amp interrupt assignments
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if (ipad2b_get_board_rev() <= IPAD2B_PROTO2_BOARD) {
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if (FindNode(0, "arm-io/i2c0/audio-speaker0", &node)) {
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propName = "interrupts";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = 0x07;
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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 = "interrupts";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = 0x2e;
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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 bool gpio_board_rev_valid;
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static uint32_t gpio_board_rev;
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static uint32_t ipad2b_get_board_rev(void)
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{
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if(!gpio_board_rev_valid) {
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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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gpio_board_rev_valid = true;
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}
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return gpio_board_rev;
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}
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