431 lines
12 KiB
C
431 lines
12 KiB
C
/*
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* Copyright (C) 2011-2015 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#include <debug.h>
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#include <drivers/display.h>
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#include <drivers/flash_nor.h>
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#include <drivers/iic.h>
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#include <drivers/power.h>
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#include <lib/devicetree.h>
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#include <lib/env.h>
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#include <lib/mib.h>
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#include <lib/syscfg.h>
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#include <platform.h>
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#include <platform/gpio.h>
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#include <platform/gpiodef.h>
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#include <platform/memmap.h>
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#include <sys.h>
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#include <sys/boot.h>
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#include <sys/menu.h>
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#include <sys/task.h>
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#include <target.h>
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#include <target/powerconfig.h>
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#define J2_PROTO0_BOARD (0) // same as REV1 Dev Board
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#define J2_PROTO1_LOCAL_BOARD (1)
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#define J2_PROTO1_CHINA_BOARD (2)
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#define J2_PROTO2_BOARD (3) // DEV2 board also
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#define J2_PRE_EVT_BOARD (4)
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static u_int32_t ipad3_get_board_rev(void);
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static void amelia_init();
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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#include <drivers/displayport/displayport.h>
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static dp_t dp;
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#endif
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 90);
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void target_early_init(void)
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{
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}
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void target_late_init(void)
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{
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if (target_config_ap()) {
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// Deprecate Proto0/1/2 boards
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// Since board revs are shared between dev boards and enclosures,
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// depreate only enclosures
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if (ipad3_get_board_rev() < J2_PRE_EVT_BOARD)
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platform_not_supported();
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}
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}
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void target_init(void)
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{
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// Cold-boot defaults for GPIOs where pinconfig.h differs,
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// and it can't wait for the AppleARMFunction creation.
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#if WITH_HW_FLASH_NOR
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flash_nor_init(SPI_NOR0);
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#endif
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amelia_init();
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}
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void target_quiesce_hardware(void)
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{
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}
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void target_poweroff(void)
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{
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}
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int target_bootprep(enum boot_target target)
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{
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switch (target) {
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case BOOT_DARWIN:
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case BOOT_DARWIN_RESTORE:
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case BOOT_DIAGS:
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break;
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default:
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; // do nothing
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}
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return 0;
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}
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bool target_should_recover(void)
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{
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return platform_get_request_dfu2() && power_has_usb();
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}
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bool target_should_poweron(bool *cold_button_boot)
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{
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#if WITH_HW_POWER
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if (power_get_boot_flag() == kPowerBootFlagColdButton) *cold_button_boot = true;
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#else
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*cold_button_boot = false;
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#endif
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return !*cold_button_boot || platform_get_request_dfu1();
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}
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bool target_should_poweroff(bool at_boot)
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{
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return platform_get_request_dfu1() && (!at_boot || !power_has_usb());
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}
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#if APPLICATION_IBOOT
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void target_watchdog_tickle(void)
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{
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u_int32_t value = gpio_read(GPIO_WDOG_TICKLE);
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gpio_write(GPIO_WDOG_TICKLE, value ^ 1);
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}
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#endif // APPLICATION_IBOOT
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void * target_get_display_configuration(void)
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{
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#if (APPLICATION_IBOOT && (PRODUCT_IBOOT || PRODUCT_IBEC))
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dp.mode = 0x1;
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dp.type = 0x1;
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dp.min_link_rate = 0x6;
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dp.max_link_rate = 0x6;
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dp.lanes = 0x4;
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dp.ssc = 0x0;
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dp.alpm = 0x0;
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dp.vrr_enable = 0x0;
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dp.vrr_on = 0x0;
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return ((void *)(&dp));
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#else
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return NULL;
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#endif
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}
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#if WITH_ENV
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void target_setup_default_environment(void)
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{
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env_set("boot-device", "nand0", 0);
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env_set("display-color-space","RGB888", 0);
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env_set("display-timing", "ipad3", 0);
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}
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#endif
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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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DTNode *node;
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#if WITH_HW_DISPLAY_EDP
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DTNode *clcd_node = NULL, *backlight_node = NULL, *lcd_node = NULL;
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#endif
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uint32_t propSize, propCnt;
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char *propName;
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void *propData;
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// Update the DWI node with the actual voltages
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if (FindNode(0, "arm-io/dwi", &node)) {
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propName = "voltages-buck0";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propCnt = propSize / sizeof(u_int32_t);
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platform_get_cpu_voltages(propCnt, propData);
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platform_convert_voltages(0, propCnt, propData);
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}
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propName = "voltages-buck2";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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propCnt = propSize / sizeof(u_int32_t);
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platform_get_soc_voltages(propCnt, propData);
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platform_convert_voltages(2, propCnt, propData);
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}
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}
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#if WITH_HW_DISPLAY_EDP
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if (FindNode(0, DP_DTPATH, &node)) {
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extern int edp_update_device_tree(DTNode *edp_node, DTNode *lcd_node, DTNode *clcd_node, DTNode *backlight_node);
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FindNode(0, "arm-io/clcd", &clcd_node);
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FindNode(0, DP_DTPATH "/lcd", &lcd_node);
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FindNode(0, "backlight", &backlight_node);
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edp_update_device_tree(node, lcd_node, clcd_node, backlight_node);
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}
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#endif
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if (target_config_dev()) {
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// Below is needed for DEV1 boards
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// Support for A0 Amelia
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if (ipad3_get_board_rev() <= J2_PROTO1_CHINA_BOARD) {
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// <rdar://problem/9001989>
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if (FindNode(0, "arm-io/dwi", &node)) {
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propName = "dwi-version";
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if (FindProperty(node, &propName, &propData, &propSize))
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((u_int32_t *)propData)[0] = 0;
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}
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}
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// Proto0 and Proto1-Local support
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if (ipad3_get_board_rev() <= J2_PROTO1_LOCAL_BOARD) {
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// update wlan node, HSIC_WLAN_READY pin is different
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if (FindNode(0, WIFI_DTPATH, &node)) {
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propName = "function-device_ready";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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// structure looks like this:
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// UInt32 gpioPHandle;
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// UInt32 gpioSignature;
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// UInt32 gpioIndex;
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// UInt8 gpioDirection;
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// UInt8 gpioPolarity;
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// UInt8 gpioDefault;
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// UInt8 gpioAltFunction;
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((u_int32_t *)propData)[2] = 0x00001205; // GPIO_3V_1 -> HSIC_WLAN_RDY
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}
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propName = "interrupts";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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// structure looks like this:
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// UInt32 vectorNumber;
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// UInt32 vectorType;
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((u_int32_t *)propData)[0] = 0x00000095; // GPIO_3V_1 -> HSIC_WLAN_RDY
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}
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}
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}
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}
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// Update the bottom prox calibration data
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if (FindNode(0, "arm-io/i2c1/prox", &node)) {
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propName = "prox-calibration-blob";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPCl', propData, propSize);
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}
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}
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// Update the compass calibration data
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if (FindNode(0, "arm-io/i2c1/compass", &node)) {
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propName = "compass-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CPAS', propData, propSize);
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}
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}
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// Update als node with calibration data
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if (FindNode(0, "arm-io/i2c2/als", &node)) {
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propName = "backlight-leakage-channel0";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ALC0', propData, propSize);
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}
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propName = "backlight-leakage-channel1";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ALC1', propData, propSize);
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}
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propName = "alsCalibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('AlsC', propData, propSize);
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}
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propName = "als-colorCfg";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ClrC', propData, propSize);
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}
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}
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// Update the gyro calibration data
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if (FindNode(0, "arm-io/i2c2/gyro", &node)) {
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propName = "low-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTGO', propData, propSize);
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}
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propName = "high-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('HTGO', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-sens-matrix-inverse";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCi', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update the gyro1 calibration data
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if (FindNode(0, "arm-io/i2c2/gyro1", &node)) {
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propName = "low-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTGO', propData, propSize);
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}
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propName = "high-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('HTGO', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-sens-matrix-inverse";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCi', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update accelerometer calibration data
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if (FindNode(0, "arm-io/i2c2/accelerometer", &node)) {
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propName = "low-temp-accel-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTAO', propData, propSize);
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}
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propName = "accel-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('ASCl', propData, propSize);
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}
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}
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// Update camera calibration data
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if (FindNode(0, "arm-io/isp", &node)) {
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propName = "camera-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CmCl', propData, propSize);
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}
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}
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return 0;
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}
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#endif
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static u_int32_t ipad3_get_board_rev(void)
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{
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u_int32_t gpio_board_rev;
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_IN);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_IN);
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gpio_configure_pupdn(GPIO_BOARD_REV0, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV1, GPIO_PUP);
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gpio_configure_pupdn(GPIO_BOARD_REV2, GPIO_PUP);
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spin(100); // Wait 100us
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gpio_board_rev =
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(gpio_read(GPIO_BOARD_REV2) << 2) |
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(gpio_read(GPIO_BOARD_REV1) << 1) |
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(gpio_read(GPIO_BOARD_REV0) << 0);
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gpio_configure(GPIO_BOARD_REV0, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV1, GPIO_CFG_DFLT);
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gpio_configure(GPIO_BOARD_REV2, GPIO_CFG_DFLT);
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return (gpio_board_rev & 0x7);
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}
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static void amelia_init()
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{
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uint32_t board_rev;
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struct pmu_iic_data {
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uint8_t addr;
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uint8_t data;
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};
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struct pmu_iic_data amelia_a0_data[] = {
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{ 0x22, 0x02 }, // BANKSEL: select bank 2
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{ 0xd0, 0x01 }, // TESTMODE: enable test mode
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{ 0x22, 0x01 }, // BANKSEL: select bank 1
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{ 0xa9, 0x00 }, // WLED_CONTROL4: set WLED to IDAC always, WLED_IRATE to 17.5mA
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{ 0x22, 0x02 }, // BANKSEL: select bank 2
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{ 0xd0, 0x00 }, // TESTMODE: disable test mode
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{ 0x22, 0x00 }, // BANKSEL: select bank 1
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};
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struct pmu_iic_data amelia_a1_data[] = {
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{ 0x22, 0x02 }, // BANKSEL: select bank 2
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{ 0xd0, 0x01 }, // TESTMODE: enable test mode
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{ 0x22, 0x01 }, // BANKSEL: select bank 1
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{ 0xa9, 0x79 }, // WLED_CONTROL4: set WLED to IDAC always, WLED_IRATE to 18.5mA
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{ 0xaa, 0x86 }, // WLED_CONTROL5: set ALT_MIN_IDAC_CODE
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{ 0xab, 0x00 }, // WLED_CONTROL6: set ALT_PWM_START_CODE
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{ 0xac, 0x18 }, // WLED_CONTROL7: set ALT_DITHER_EN and ALT_DITHER_ALLOW
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{ 0xb2, 0xee }, // BUCK_CTRL0: operate into Synchronous mode (forced PWM mode)
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{ 0xb4, 0xee }, // BUCK_CTRL2: operate into Synchronous mode (forced PWM mode)
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{ 0x22, 0x02 }, // BANKSEL: select bank 2
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{ 0xd0, 0x00 }, // TESTMODE: disable test mode
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{ 0x22, 0x00 }, // BANKSEL: select bank 1
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};
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struct pmu_iic_data *data;
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uint8_t entries;
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uint8_t i;
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board_rev = ipad3_get_board_rev();
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// <rdar://problem/9059055> J1/J2 default display brightness too high
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// <rdar://problem/9126569> J1/J2 Pre-Proto MLBs and Dev Board Rev.1 Brightness Too High
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// <rdar://problem/9478595> Switch J1/J2 backlight over to enhanced hybrid mode
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if (target_config_dev() && (board_rev == J2_PROTO0_BOARD || board_rev == J2_PROTO1_LOCAL_BOARD)) {
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data = amelia_a0_data;
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entries = sizeof(amelia_a0_data)/sizeof(amelia_a0_data[0]);
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} else {
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data = amelia_a1_data;
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entries = sizeof(amelia_a1_data)/sizeof(amelia_a1_data[0]);
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}
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// Amelia I2C bus: 0, Amelia Write address: 0x78
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for (i = 0; i < entries; i++)
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iic_write(0, 0x78, (const void *)&data[i], 2);
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}
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