462 lines
12 KiB
C
462 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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// BRD_REV3 is pulled down to 0 until EVT3, but we are inverting its value
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#define N78_PROTO0A_BOARD (15)
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#define N78_PROTO0B_BOARD (13)
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#define N78_PROTO1_BOARD (12)
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#define N78_EVT1_BOARD (9)
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#define N78_EVT2_BOARD (8)
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// Starting with EVT3, BRD_REV3 is pulled up to 1, but we are inverting its value
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#define N78_EVT3_BOARD (7)
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static u_int32_t n78_get_board_rev(void);
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static uint32_t display_config;
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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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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}
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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/11625584> N78 LDO7 needs to be off for units older than EVT3
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// NOTE: A board is EARLIER than an EVT3, because its board ID is larger (according to #defines above)
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if (n78_get_board_rev() > N78_EVT3_BOARD) {
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unsigned int i;
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const uint8_t pmu_data[] = {
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0x21, 0xB3, // kD1881_ACTIVE2: LDO4, LDO5, LDO8, LDO9, LDO11 enabled
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};
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for (i = 0; i < sizeof(pmu_data); i += 2)
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iic_write(0, 0xe8, &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 = 0x00000964;
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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", "n41", 0);
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}
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bool n78_get_e75(void)
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{
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return env_get_uint("e75", n78_get_board_rev() != N78_PROTO0A_BOARD) != 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 u_int32_t gpio_board_rev;
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static u_int32_t n78_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(GPIO_BOARD_REV3, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PDN);
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gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PDN);
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gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PDN);
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gpio_configure_pupdn(GPIO_BOARD_REV3, GPIO_PDN);
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spin(100); // Wait 100us
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uint32_t brd_rev3_inverted = (gpio_read(GPIO_BOARD_REV3) ? 0UL : 1UL);
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gpio_board_rev =
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(brd_rev3_inverted << 3) |
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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_configure(GPIO_BOARD_REV3, 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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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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#if WITH_HW_DISPLAY_PINOT
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DTNode *clcd_node, *backlight_node;
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#endif
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DTNode *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-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_cpu_voltages(propCnt, propData);
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platform_convert_voltages(2, propCnt, propData);
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}
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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_soc_voltages(propCnt, propData);
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platform_convert_voltages(0, propCnt, propData);
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}
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}
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#if WITH_HW_DISPLAY_PINOT
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// Find the CLCD node
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FindNode(0, "arm-io/clcd", &clcd_node);
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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 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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}
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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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// Updte the speaker calibration data
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if (FindNode(0, "arm-io/i2c0/audio-speaker", &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;
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if (syscfgCopyDataForTag('VPBR', &vpbr, sizeof(vpbr)) == 1) {
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((uint8_t *)propData)[12] = (((uint8_t *)propData)[12] & ~0x1f) | (vpbr & 0x1f);
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}
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uint8_t vbst;
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if (syscfgCopyDataForTag('VBST', &vbst, sizeof(vbst)) == 1) {
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((uint8_t *)propData)[16] = vbst;
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}
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}
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}
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if (FindNode(0, "product", &node)) {
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// N78a: If the NoBC syscfg key present, and it have bit 0 set
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uint32_t sysCfgData;
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int result = syscfgCopyDataForTag('NoBC', (uint8_t *)(&sysCfgData), sizeof(sysCfgData));
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int isn78a = 0;
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if (result == sizeof(sysCfgData) && (sysCfgData & 0x1) ) isn78a = 1;
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// this isn't an N78a, so get rid of the n78a-mode property
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propName = "n78a-mode";
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if (isn78a==0 && FindProperty(node, &propName, &propData, &propSize) ) propName[0] = '~';
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if (isn78a && FindNode(0, "product/camera", &node)) {
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// isp/camera-rear and other product/camera rear camera related properties
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// will be deleted by common code in lib/macho/dt.c.
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// Here, remove the product/camera/auto-focus entry
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propName = "auto-focus";
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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 = "rear-hdr-on";
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if (FindProperty(node, &propName, &propData, &propSize) ) {
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//n78a: set rear-hdr-on to 0
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memset(propData, 0, propSize );
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}
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propName = "rear-burst-image-duration";
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if (FindProperty(node, &propName, &propData, &propSize) ) {
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//n78a: set rear-burst-image-duration to 0
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memset(propData, 0, propSize );
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}
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}
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}
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// if E75 config, reconfigure everything
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if (n78_get_e75()) {
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// enable uart2
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if (FindNode(0, "arm-io/uart2", &node)) {
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propName = "AAPL,ignore";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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}
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// reconfigure uart1
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if (FindNode(0, "arm-io/uart1/iap", &node)) {
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propName = "name";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propData, "debug-console", kPropNameLength);
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}
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propName = "function-dock_parent";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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}
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// enable tristar
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uint32_t tristarPHandle = -1;
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if (FindNode(0, "arm-io/i2c0/tristar", &node)) {
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propName = "AAPL,ignore";
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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 = "AAPL,phandle";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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tristarPHandle = *(uint32_t *)propData;
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}
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}
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// disconnect BRICK_ID from USB
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if (FindNode(0, "arm-io/otgphyctrl", &node)) {
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propName = "function-dmon_voltage";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propName[0] = '~';
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}
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}
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// change dock from 30-pin to 9-pin
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uint32_t dockPHandle = -1;
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if (FindNode(0, "dock", &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propData, "dock,9pin", kPropNameLength);
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}
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propName = "function-read_acc";
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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-acc_detect";
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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 = "interrupt-parent";
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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 = "interrupts";
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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 = "AAPL,phandle";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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dockPHandle = *(uint32_t *)propData;
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}
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}
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// use TriStar for brick detect
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if (FindNode(0, "charger", &node)) {
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propName = "function-usb_dmonitor";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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((uint32_t *)propData)[0] = tristarPHandle;
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}
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}
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}
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// pre-EVT1 Grape clock config
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if (n78_get_board_rev() > N78_EVT1_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, 0x09);
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gpio_configure(GPIO(7, 7), GPIO_CFG_IN);
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}
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// pre-EVT2 codec config
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if (n78_get_board_rev() > N78_EVT2_BOARD) {
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if (FindNode(0, "arm-io/spi2/audio-codec", &node)) {
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propName = "class-h-control";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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((uint32_t *)propData)[0] = 0;
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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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