687 lines
21 KiB
C
687 lines
21 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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#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/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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// Board ID/Board Rev matrix:
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// Board ID: N48 MLB: 1010, N49 MLB: 1110
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// Board Rev 1111: PreProto+Tristar1+Chestnut Combined Rail (Not supported by SW)
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// Board Rev 1101: Proto1+Tristar1+Chestnut Split Rail+d404 display panel
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// Board Rev 1100: Proto1+Tristar2+Chestnut Split Rail+d404 display panel
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// Board Rev 1011: EVT1+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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// Board Rev 1010: EVT2+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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// Board Rev 1001: DVT+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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// Board ID: N48 Dev: 1011, N49 DEV: 1111
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// Board Rev 1111: Dev1+Tristar1+Chestnut Combined Rail+d401 display panel
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// Board Rev 1101: Proto1+Tristar1+Chestnut Split Rail+d404 display panel
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// Board Rev 1100: Proto1+Tristar2+Chestnut Split Rail+d404 display panel
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// Board Rev 1011: EVT1+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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// Board Rev 1010: EVT2+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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// Board Rev 1001: DVT+Tristar2+Chestnut Split Rail+d404 display panel+L81 audio
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#define N48_AP_BOARD_ID (0xA) // AP board ID
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#define N48_DEV_BOARD_ID (0xB) // DEV board ID
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#define N49_AP_BOARD_ID (0xE) // AP board ID
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#define N49_DEV_BOARD_ID (0xF) // DEV board ID
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#define DEV1_BOARD (0xF) // Dev1 + Tristar1 + Chestnut Combined Rail
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#define DEV1A_BOARD (0xE) // Dev1 + Tristar2 + Chestnut Combined Rail
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#define DEV1B_BOARD (0xC) // Dev1 + Tristar2 + Chestnut Split Rail
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#define DEV1C_BOARD (0xB) // Dev1 + Tristar2 + Chestnut Split Rail + L81 audio
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#define PROTO1A_BOARD (0xD) // Proto1 + Tristar1 + Chestnut Split Rail
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#define PROTO1B_BOARD (0xC) // Proto1 + Tristar2 + Chestnut Split Rail
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#define EVT1_BOARD (0xB) // EVT1 + Tristar2 + Chestnut Split Rail + L81 audio
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#define EVT2_BOARD (0xA) // EVT2 + Tristar2 + Chestnut Split Rail + L81 audio
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#define DVT_BOARD (0x9) // DVT + Tristar2 + Chestnut Split Rail + L81 audio
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static u_int32_t iphone5b_get_board_rev(void);
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static bool iphone5b_with_chestnut_split_rail(void);
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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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// Don't panic for these targets because of <rdar://problem/14236421>.
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MIB_CONSTANT(kMIBTargetPanicOnUnknownDclrVersion, kOIDTypeBoolean, false);
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void target_early_init(void)
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{
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}
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void target_late_init(void)
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{
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if (iphone5b_get_board_rev() > DEV1_BOARD) {
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platform_not_supported();
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}
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}
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void target_init(void)
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{
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#if WITH_HW_FLASH_NOR
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flash_nor_init(SPI_NOR0);
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#endif
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// All AP and PMU GPIOS for the radios are set by pinconfig.h
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// and powerconfig.h. While the AP settings are compatible with wake,
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// the BB PMU will be in reset thanks to powerconfig.h providing
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// dedicated cold boot settings. The AppleARMFunctions in the device
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// tree will take care of the rest for a cold boot.
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if (iphone5b_get_board_rev() == EVT1_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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}
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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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#endif
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bool target_has_tristar2(void)
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{
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u_int32_t board_rev = iphone5b_get_board_rev();
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return board_rev != DEV1_BOARD && board_rev != PROTO1A_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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// N48 dev and ap boards have different display PMU rail topologes:
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// Split rail topology (ap boards with D404 display module)
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// LDO1: PP5V7_SAGE_AVDDH
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// LDO2: PP5V7_TO_LCD_AVDDH
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// LDO3: PP5V1_GRAPE_VDDH
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// Combined rail topology (dev boards with D401 display module)
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// LDO1: PP5V7_SAGE_AND_LCM_AVDDH
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// LDO2: PP5V1_GRAPE_VDDH
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// LDO3: Unused
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if (iphone5b_with_chestnut_split_rail()) {
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return (DISPLAY_PMU_LDO(0) | DISPLAY_PMU_LDO(1));
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}
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// The combined rail topology requires only LDO1 to be enabled.
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return DISPLAY_PMU_LDO(0);
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}
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#endif
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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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#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;
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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 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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// Set Chestnut LDO based upon split/combined rail topology.
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propName = "function-lcd_ldo";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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if (iphone5b_with_chestnut_split_rail())
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((uint8_t *)propData)[8] = 1; // V02 -> PP5V7_CHESTNUT_LDO2
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else
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((uint8_t *)propData)[8] = 0; // V01 -> PP5V7_CHESTNUT_LDO1
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}
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}
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#endif
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// Update the highland-park node with acoustic transducer scale data
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if (FindNode(0, "arm-io/highland-park", &node)) {
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propName = "at-scale";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ATSc', propData, propSize);
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}
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}
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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 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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switch ( iphone5b_get_board_rev() ) {
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case DEV1_BOARD:
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case DEV1A_BOARD:
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case PROTO1A_BOARD:
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case PROTO1B_BOARD: // DEV1B_BOARD same as PROTO1B_BOARD
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{
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static const uint8_t l20cfg[]={0x90,0x00,0x01,0x90,0x62,0x03,0x12,0x1e,0x02,0x04,0x0A,0x05,0x6b,0x63,0x06,0x32,0x74,0x03,0x00,0x00 };
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if (FindNode(0, "arm-io/i2c0/audio-speaker", &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propData, "audio-control,cs35l20", kPropNameLength);
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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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memcpy(propData, (void*)l20cfg, sizeof(l20cfg));
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}
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propName = "l67_func-ext_active";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-ext_active", kPropNameLength);
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}
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propName = "l67_func-ext_master";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-ext_master", kPropNameLength);
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}
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}
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// MCLK provides 6MHz for L20 on I2S2_MCLK pin
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if (FindNode(0, "arm-io/i2s2/audio-bluetooth", &node)) {
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propName = "reg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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((uint32_t*)propData)[2] = 0x005b8d80;
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}
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}
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if (FindNode(0, "arm-io/spi3/audio-codec", &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propData, "audio-control,cs42l67", propSize);
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}
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propName = "function-xsp_active";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-vsp_active", kPropNameLength);
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}
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propName = "function-xsp_master";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-vsp_master", kPropNameLength);
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}
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propName = "function-l67_xsp_active";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-xsp_active", kPropNameLength);
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}
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propName = "function-l67_xsp_master";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-xsp_master", kPropNameLength);
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}
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propName = "function-xsp_sidetone_active";
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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 = "l67_aout2-hac";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "aout2-hac", kPropNameLength);
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}
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propName = "mic3-intmic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "ain1-intmic", kPropNameLength);
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}
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propName = "mic2-extmic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "ain2-extmic", kPropNameLength);
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}
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propName = "mic1-intmic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "ain5-intmic", kPropNameLength);
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}
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propName = "mic4-intmic";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "ain6-intmic", kPropNameLength);
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}
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}
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if (FindNode(0, "arm-io/i2s0/audio-codec", &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propData, "audio-data,cs42l67", propSize);
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}
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propName = "reg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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((uint8_t *)propData)[0] = 0x11;
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}
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propName = "l67_func-clock_src_system";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-clock_src_system", kPropNameLength);
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}
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propName = "l67_func-clock_src_baseband";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-clock_src_baseband", kPropNameLength);
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}
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}
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if (FindNode(0, "arm-io/mca0/audio-codec-reference", &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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if (FindNode(0, "arm-io/mca0/audio-codec-sidetone", &node)) {
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propName = "compatible";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "AAPL,ignore", kPropNameLength);
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}
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}
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if (FindNode(0, "arm-io/mca1/audio-codec-voice", &node)) {
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propName = "reg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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((uint8_t *)propData)[0] = 0x01;
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}
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propName = "l67_clock-sources";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "clock-sources", kPropNameLength);
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}
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propName = "l67_func-clock_src_route_i2sM";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-clock_src_route_i2sM", kPropNameLength);
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}
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propName = "l67_func-clock_src_route_bb2w";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-clock_src_route_bb2w", kPropNameLength);
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}
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}
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} break;
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}
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// Update the backlight calibration data
|
|
if (FindNode(0, "backlight", &node)) {
|
|
propName = "backlight-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('BLCl', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update the compass calibration data
|
|
if (FindNode(0, "arm-io/i2c1/compass", &node)) {
|
|
propName = "compass-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('CPAS', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update the compass calibration data
|
|
if (FindNode(0, "arm-io/i2c1/compass1", &node)) {
|
|
propName = "compass-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('CPAS', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update the als calibration data
|
|
if (FindNode(0, "arm-io/i2c2/als", &node)) {
|
|
propName = "alsCalibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('AlsC', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update the gyro calibration data
|
|
if (FindNode(0, "arm-io/i2c0/gyro", &node)) {
|
|
propName = "low-temp-offset";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('LTGO', propData, propSize);
|
|
}
|
|
propName = "high-temp-offset";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('HTGO', propData, propSize);
|
|
}
|
|
propName = "gyro-sensitivity-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('GSCl', propData, propSize);
|
|
}
|
|
propName = "gyro-temp-table";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('GYTT', propData, propSize);
|
|
}
|
|
propName = "gyro-interrupt-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('GICl', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update accelerometer calibration data
|
|
if (FindNode(0, "arm-io/i2c1/accelerometer", &node)) {
|
|
propName = "low-temp-accel-offset";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('LTAO', propData, propSize);
|
|
}
|
|
propName = "accel-sensitivity-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('ASCl', propData, propSize);
|
|
}
|
|
propName = "accel-interrupt-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('AICl', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update accelerometer calibration data
|
|
if (FindNode(0, "arm-io/i2c1/accelerometer1", &node)) {
|
|
propName = "low-temp-accel-offset";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('LTAO', propData, propSize);
|
|
}
|
|
propName = "accel-sensitivity-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('ASCl', propData, propSize);
|
|
}
|
|
propName = "accel-interrupt-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('AICl', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// Update prox calibration data
|
|
if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
|
|
// Set multi-touch compatibility based upon split/combined rail topology.
|
|
propName = "compatible";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
if (iphone5b_with_chestnut_split_rail())
|
|
propStr = "multi-touch,n48";
|
|
else
|
|
propStr = "multi-touch,n41";
|
|
|
|
memset(propData, 0, propSize);
|
|
strlcpy(propData, propStr, propSize);
|
|
}
|
|
|
|
// Set Chestnut LDO based upon split/combined rail topology.
|
|
propName = "function-power_ana";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
if (iphone5b_with_chestnut_split_rail())
|
|
((uint8_t *)propData)[8] = 2; // V03 -> PP5V1_CHESTNUT_LDO3
|
|
else
|
|
((uint8_t *)propData)[8] = 1; // V02 -> PP5V1_CHESTNUT_LDO2
|
|
}
|
|
|
|
propName = "prox-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('PxCl', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// vibrator calibration
|
|
if (FindNode(0, "arm-io/pwm/vibrator", &node)) {
|
|
propName = "duty-cycle";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
uint32_t pct;
|
|
if (syscfgCopyDataForTag('VLSg', (void *)&pct, sizeof(pct)) > 0) {
|
|
((uint32_t *)propData)[0] = ((uint64_t)pct << 32) / 100;
|
|
}
|
|
}
|
|
propName = "intensity-config";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
uint32_t pct;
|
|
if (syscfgCopyDataForTag('VLWk', (void *)&pct, sizeof(pct)) > 0) {
|
|
((uint32_t *)propData)[1] = ((uint64_t)pct << 32) / 100;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update charger calibration data
|
|
if (FindNode(0, "charger", &node)) {
|
|
propName = "usb-input-limit-calibration";
|
|
if (FindProperty(node, &propName, &propData, &propSize)) {
|
|
syscfgCopyDataForTag('CBAT', propData, propSize);
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if WITH_HW_DISPLAY_PMU
|
|
display_pmu_update_device_tree("arm-io/i2c0/display-pmu");
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
static bool gpio_board_rev_valid;
|
|
static u_int32_t gpio_board_rev;
|
|
|
|
static u_int32_t iphone5b_get_board_rev(void)
|
|
{
|
|
|
|
if (!gpio_board_rev_valid) {
|
|
gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_IN);
|
|
gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_IN);
|
|
gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_IN);
|
|
gpio_configure(GPIO_BOARD_REV3, GPIO_CFG_IN);
|
|
|
|
gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PDN);
|
|
gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PDN);
|
|
gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PDN);
|
|
gpio_configure_pupdn(GPIO_BOARD_REV3, GPIO_PDN);
|
|
|
|
spin(100); // Wait 100us
|
|
|
|
gpio_board_rev =
|
|
(gpio_read(GPIO_BOARD_REV3) << 3) |
|
|
(gpio_read(GPIO_BOARD_REV2) << 2) |
|
|
(gpio_read(GPIO_BOARD_REV1) << 1) |
|
|
(gpio_read(GPIO_BOARD_REV0) << 0);
|
|
|
|
gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_DFLT);
|
|
gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_DFLT);
|
|
gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_DFLT);
|
|
gpio_configure(GPIO_BOARD_REV3, GPIO_CFG_DFLT);
|
|
|
|
gpio_board_rev_valid = true;
|
|
}
|
|
|
|
return gpio_board_rev;
|
|
}
|
|
|
|
static bool iphone5b_with_chestnut_split_rail(void)
|
|
{
|
|
if ((platform_get_board_id() == N48_DEV_BOARD_ID)
|
|
|| (platform_get_board_id() == N49_DEV_BOARD_ID)) {
|
|
u_int32_t board_rev = iphone5b_get_board_rev();
|
|
if ((board_rev == DEV1_BOARD) || (board_rev == DEV1A_BOARD)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#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):
|
|
// white/black: setenv DClr_override 00020000F7F4F5003C3B3B0000000000
|
|
// yellow/black: setenv DClr_override 0002000089F1FA003C3B3B0000000000
|
|
// pink/black: setenv DClr_override 000200007A76FE003C3B3B0000000000
|
|
// blue/black: setenv DClr_override 00020000E0AB46003C3B3B0000000000
|
|
// green/black: setenv DClr_override 0002000077E8A1003C3B3B0000000000
|
|
|
|
static color_policy_invert_t target_cover_glass_color_table[] = {
|
|
{ RGB( 59, 59, 60), false }, // Black - black background, white 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
|
|
|