572 lines
17 KiB
C
572 lines
17 KiB
C
/*
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* Copyright (C) 2012-2015 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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#if WITH_HW_DISPLAY_PMU
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#include <drivers/display_pmu.h>
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#endif
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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/paint.h>
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#include <lib/syscfg.h>
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#include <platform.h>
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#include <platform/chipid.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 <platform/soc/hwregbase.h>
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#include <platform/soc/pmgr.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 <platform/soc/display_color_manager_tables.h>
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///////////////////////////////////////////////////////////
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// CHESTNUT LDO assignment
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//
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// LCM SAGE GRAPE
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//
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// DEV1 1 2 3
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// N51-PROTO2 1 1 2
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// N53-PROTO2/2A 2 1 3
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// DEV2/EVT1 2 1 3
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//
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///////////////////////////////////////////////////////////
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#define N51_N53_DEV1_PROTO2_BOARD (0xF)
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#define N53_PROTO2A_BOARD (0xE)
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#define N51_N53_DEV2_BOARD (0xE)
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#define N51_EVT1_MAIN_BOARD (0xE)
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#define N51_EVT1_MESA_BOARD (0xD)
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#define N53_EVT1_MAIN_BOARD N51_EVT1_MESA_BOARD
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#define N51_N53_DEV3_BOARD (0xD) // XXX we got this wrong, should have matched EVT1C.
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#define N51_N53_EVT1A_BOARD (0xC)
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#define N51_N53_EVT1B_BOARD (0xB) // presumably
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#define N51_N53_EVT1C_BOARD (0xA)
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#define N51_N53_EVT2_BOARD (0x9)
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static uint32_t iphone6_get_board_rev(void);
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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 display_config;
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MIB_CONSTANT(kMIBTargetBacklight0I2CBus, kOIDTypeUInt32, 0);
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MIB_CONSTANT(kMIBTargetBacklight0I2CAddress, kOIDTypeUInt32, 0xC6);
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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MIB_CONSTANT(kMIBTargetDisplayCMEngammaTablePtr, kOIDTypeStruct, (void *)linear_rgb_engamma_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMEngammaTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_rgb_engamma_tables));
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MIB_CONSTANT(kMIBTargetDisplayCMDegammaTablePtr, kOIDTypeStruct, (void *)linear_rgb_degamma_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMDegammaTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_rgb_degamma_tables));
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MIB_CONSTANT(kMIBTargetDisplayCMMatrixTablePtr, kOIDTypeStruct, (void *)linear_identity_matrix_tables);
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MIB_CONSTANT(kMIBTargetDisplayCMMatrixTableCount, kOIDTypeUInt32, ARRAY_SIZE(linear_identity_matrix_tables));
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static uint32_t iphone6_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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gpio_board_rev =
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(gpio_read(GPIO_BOARD_REV3) << 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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static bool is_dev1_board()
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{
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// DEV config: board-id == 1
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// DEV1 board-rev == 0xF
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if (((rPMGR_SCRATCH0 >> 16) & 0xf) == 1)
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return (iphone6_get_board_rev() == N51_N53_DEV1_PROTO2_BOARD);
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return false;
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}
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static bool is_n51_proto2_board()
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{
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// N51 board-id == 0
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// Proto2 board-rev == 0xF
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if (((rPMGR_SCRATCH0 >> 16) & 0xf) == 0)
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return (iphone6_get_board_rev() == N51_N53_DEV1_PROTO2_BOARD);
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return false;
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}
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static bool is_n53_proto2_board()
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{
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// N53 board-id == 2
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// Proto2a board-rev == 0xF
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if (((rPMGR_SCRATCH0 >> 16) & 0xf) == 2)
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return (iphone6_get_board_rev() == N51_N53_DEV1_PROTO2_BOARD);
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return false;
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}
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static bool is_mesa_supported()
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{
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// X162 INT line needs to be configured active high only on supported boards
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// Any DEV board and N51_EVT1_MESA_BOARD and all EVT2 boards and forward.
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// Return true if DEV board.
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if ( (((rPMGR_SCRATCH0 >> 16) & 0xf) == 1) || (iphone6_get_board_rev() <= N51_EVT1_MESA_BOARD) )
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return true;
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else
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return false;
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}
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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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if(is_mesa_supported()) {
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// Configure the X162 INT line to be active high.
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// Currently doing this for all DEV boards and EVT1 MESA board
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gpio_configure(GPIO_X162_INT, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_X162_INT, GPIO_PDN);
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}
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if (iphone6_get_board_rev() == N51_N53_EVT1A_BOARD) {
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// <rdar://problem/12982626> Switch Tristar to Pulsing Con Detect mode for n5x and n48/n49
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iic_write(0, 0x35, (uint8_t[]){ 0x1e, 0x30 }, 2);
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}
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if ((iphone6_get_board_rev() <= N51_N53_EVT1A_BOARD) && (iphone6_get_board_rev() > N51_N53_EVT1C_BOARD)) {
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// LDO9 (PP2V8_CAM) to 2.85V <rdar://problem/12660594> (Amber >= A1 version)
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// NOTE: Boards with Amber A0 version is handled via power_init pmu_ldo_cold_setup_a0
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iic_write(0, 0xe8, (uint8_t[]){ 0x03, 0x48, 0x5A }, 3);
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}
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if (iphone6_get_board_rev() <= N51_N53_EVT1C_BOARD) {
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// <rdar://problem/13255750> Override pin config to support SOCHOT0 throttler circuit on N5x E1C+
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gpio_configure_pupdn(GPIO_SOCHOT0_IN, GPIO_NO_PUPDN);
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// <rdar://problem/13180654> N5x | Set LDO9 to 2.80V for power throttler circuit
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// LDO9_VSEL = 2.8V (0.6V + 25mV*LDO9_VSEL)
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iic_write(0, 0xe8, (uint8_t[]){ 0x03, 0x48, 0x58 }, 3);
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// <rdar://problem/13766537> N5x EVT2 | Change LDO3 and LDO13 voltages for Amber OTP-AP and older
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// For OTP-AP and older, which is determined by PMU register 0x0001 containing a value 0x16 or lower
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// - We need to overwrite LDO3 with 0x60 (used to be 0x64)
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// - And we need to overwrite LDO13 with 0x64 (used to be 0x60)
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uint8_t addr[2] = {0x00,0x01};
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uint8_t data;
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if (iic_read(0, 0xe8, &addr, sizeof(addr), &data, sizeof(data), IIC_NORMAL) == 0) {
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if (data <= 0x16) {
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iic_write(0, 0xe8, (uint8_t[]){ 0x03, 0x18, 0x60 }, 3);
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iic_write(0, 0xe8, (uint8_t[]){ 0x03, 0x68, 0x64 }, 3);
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}
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}
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}
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else { // pre-EVT2 HW
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// Hack to support Mesa on older HW
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// // <rdar://problem/13503359> N5x EVT2 and beyond - increase drive strength of Mesa SPI_CLK to 8mA (x4), slow slew
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{
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uintptr_t mesa_spi_clk_gpio;
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uint32_t mesa_spi_clk_gpio_val;
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mesa_spi_clk_gpio = (uintptr_t)(GPIO_BASE_ADDR + 0x130); // SPI2_SCLK -> AP_TO_NAVAJO_SPI2_CLK
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mesa_spi_clk_gpio_val = *(volatile uint32_t *)mesa_spi_clk_gpio;
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mesa_spi_clk_gpio_val &= ~(3 << 10); // reset drive strength
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mesa_spi_clk_gpio_val |= (1 << 10); // set drive strength to X2
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*(volatile uint32_t *)mesa_spi_clk_gpio = mesa_spi_clk_gpio_val;
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}
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}
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// <rdar://problem/14181542> N5x AP_DEV: Enable GPIO5 for WLAN_CLK32K instead of CLK32K_OUT
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if (((rPMGR_SCRATCH0 >> 16) & 0xf) == 1) {
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iic_write(0, 0xe8, (uint8_t[]){ 0x04, 0x04, 0x49 }, 3); // GPIO5 Out 32K, Push-Pull, VBUCK3
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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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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 // WITH_HW_POWER
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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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uint32_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 = 0x00000da2;
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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", "asp_nand", 0);
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env_set("display-color-space","RGB888", 0);
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env_set("display-timing", "n51", 0);
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}
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#endif // WITH_ENV
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bool target_has_tristar2(void)
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{
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return iphone6_get_board_rev() != N51_N53_DEV1_PROTO2_BOARD;
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}
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#if WITH_HW_CHESTNUT
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uint8_t target_get_lcm_ldos(void)
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{
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if (is_n51_proto2_board())
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return DISPLAY_PMU_LDO(0);
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return (DISPLAY_PMU_LDO(0) | DISPLAY_PMU_LDO(1));
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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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#if WITH_HW_DISPLAY_PINOT
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DTNode *disp0_node, *backlight_node;
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#endif
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DTNode *node;
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uint32_t propSize;
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char *propName, *propStr;
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void *propData;
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#if WITH_HW_DISPLAY_PINOT
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// Find the DISP0 (display-subsystem 0) node
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FindNode(0, "arm-io/disp0", &disp0_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, disp0_node, backlight_node);
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// Fix up LCM LDO for dev1 and n51proto2
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if (is_dev1_board() || is_n51_proto2_board()) {
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propName = "function-lcd_ldo";
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if (FindProperty(node, &propName, &propData, &propSize))
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((uint8_t *)propData)[8] = 0; // V01 -> PP5V7_LCM_AVDDH_CHESTNUT
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}
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}
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#endif
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// Update the codec and speaker nodes with acoustic transducer scale data
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{
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uint8_t atscData[20];
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if (syscfgCopyDataForTag('ATSc', atscData, sizeof(atscData)) > 0) {
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// Update codec
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if (FindNode(0, "arm-io/spi3/audio-codec", &node)) {
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propName = "at-scale-imic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[0], sizeof(uint32_t));
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}
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propName = "at-scale-smic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[4], sizeof(uint32_t));
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}
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propName = "at-scale-fmic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[8], sizeof(uint32_t));
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}
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propName = "at-scale-rcvr";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[12], sizeof(uint32_t));
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}
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}
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// Update speaker
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if (FindNode(0, "arm-io/i2c0/audio-speaker", &node)) {
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propName = "at-scale";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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memcpy(propData, &atscData[16], sizeof(uint32_t));
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}
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}
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}
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}
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// Update the als calibration data
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if (FindNode(0, "arm-io/i2c1/als", &node)) {
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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 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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// Update the compass calibration data
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if (FindNode(0, "arm-io/uart2/oscar/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 the X162 calibration data
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if (FindNode(0, "arm-io/spi2/mesa", &node)) {
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propName = "calibration-blob";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('FSCl', propData, propSize);
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}
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propName = "modulation-ratio";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('NvMR', 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/uart2/oscar/gyro", &node)) {
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propName = "gyro-orientation";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GRot', 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/uart2/oscar/accelerometer", &node)) {
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propName = "accel-orientation";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ARot', propData, propSize);
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}
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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);
|
|
}
|
|
}
|
|
|
|
// Update prox calibration data
|
|
if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
|
|
propName = "prox-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize))
|
|
syscfgCopyDataForTag('PxCl', propData, propSize);
|
|
}
|
|
|
|
// Update charger calibration data
|
|
if (FindNode(0, "charger", &node)) {
|
|
propName = "usb-input-limit-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize))
|
|
syscfgCopyDataForTag('CBAT', propData, propSize);
|
|
}
|
|
|
|
// Update vibrator calibration data
|
|
if (FindNode(0, "arm-io/i2c0/pmu/vib-pwm/vibrator", &node)) {
|
|
uint32_t strong_vset;
|
|
uint32_t weak_vset;
|
|
|
|
propName = "reg";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
if (syscfgCopyDataForTag('VLSg', (void *)&strong_vset, sizeof(strong_vset)) > 0)
|
|
((uint32_t *)propData)[0] = strong_vset;
|
|
}
|
|
propName = "intensity-config";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
if (syscfgCopyDataForTag('VLWk', (void *)&weak_vset, sizeof(strong_vset)) > 0)
|
|
((uint32_t *)propData)[1] = (((uint64_t)weak_vset << 32) + (strong_vset-1)) / strong_vset; // round up
|
|
}
|
|
}
|
|
|
|
// Multi-touch support
|
|
if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
|
|
propName = "compatible";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
propStr = NULL;
|
|
|
|
if (is_dev1_board())
|
|
propStr = "multi-touch,n41";
|
|
else if (is_n51_proto2_board())
|
|
propStr = "multi-touch,n51-p251";
|
|
|
|
if (propStr != NULL) {
|
|
memset(propData, 0, propSize);
|
|
strlcpy(propData, propStr, propSize);
|
|
}
|
|
}
|
|
|
|
// Set Grape LDOs for proto2 board
|
|
if (is_n51_proto2_board()) {
|
|
propName = "function-power_ana";
|
|
if (FindProperty(node, &propName, &propData, &propSize))
|
|
((uint8_t *)propData)[8] = 0x01; // V02 -> PP5V1_GRAPE_VDDH
|
|
}
|
|
}
|
|
|
|
// Display-pmu Sage LDO
|
|
if (is_dev1_board()) {
|
|
if (FindNode(0, "arm-io/i2c0/display-pmu", &node)) {
|
|
propName = "sage-ldo";
|
|
if (FindProperty(node, &propName, &propData, &propSize))
|
|
*(uint32_t *)propData = 0x01; // V02 -> PP5V7_SAGE_AVDDH_CHESTNUT
|
|
}
|
|
}
|
|
|
|
// TriStar 1 on older systems
|
|
if (!target_has_tristar2()) {
|
|
if (FindNode(0, "arm-io/i2c0/tristar", &node)) {
|
|
propName = "compatible";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
strlcpy(propData, "tristar,cbtl1608", kPropNameLength);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Pre-E1C Camera AVDD LDO is coming from PMU LDO9
|
|
if ((target_config_ap() && iphone6_get_board_rev() > N51_N53_EVT1C_BOARD) ||
|
|
(!target_config_ap() && iphone6_get_board_rev() > N51_N53_DEV3_BOARD)) {
|
|
if (FindNode(0, "arm-io/isp", &node)) {
|
|
propName = "function-cam_avdd_ldo";
|
|
if (FindProperty(node, &propName, &propData, &propSize))
|
|
propName[0] = '~';
|
|
}
|
|
}
|
|
|
|
#if WITH_HW_DISPLAY_PMU
|
|
display_pmu_update_device_tree("arm-io/i2c0/display-pmu");
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif // WITH_DEVICETREE
|
|
|
|
#if WITH_PAINT
|
|
|
|
// The default background is expected to to be black and the artwork is expected
|
|
// to be white. This arrangement will be inverted depending upon the cover glass
|
|
// color of the device.
|
|
|
|
// Sample DClr_override values for testing devices without DClr syscfg entries (enclosure/cover glass):
|
|
// gray/black: setenv DClr_override 000200009B9899003C3B3B0000000000
|
|
// gold/white: setenv DClr_override 00020000B3C5D400E3E4E10000000000
|
|
// silver/white: setenv DClr_override 00020000D8D9D700E3E4E10000000000
|
|
|
|
static color_policy_invert_t target_cover_glass_color_table[] = {
|
|
{ RGB( 59, 59, 60), false }, // Black - black background, white logo
|
|
{ RGB(225, 228, 227), true }, // White - white background, black logo
|
|
};
|
|
|
|
color_policy_t *target_color_map_init(enum colorspace cs, color_policy_t *color_policy)
|
|
{
|
|
// Must have a color policy structure passed in.
|
|
if (color_policy == NULL)
|
|
goto fail;
|
|
|
|
// We only support the RGB888 colorspace.
|
|
if (cs != CS_RGB888)
|
|
goto fail;
|
|
|
|
color_policy->policy_type = COLOR_MAP_POLICY_INVERT;
|
|
color_policy->color_table = (void *)target_cover_glass_color_table;
|
|
color_policy->color_count = ARRAY_SIZE(target_cover_glass_color_table);
|
|
color_policy->map_color = NULL; // Use standard remapper
|
|
|
|
return color_policy;
|
|
|
|
fail:
|
|
return NULL;
|
|
}
|
|
#endif // WITH_PAINT
|