444 lines
12 KiB
C
444 lines
12 KiB
C
/*
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* Copyright (C) 2010-2015 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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// These are sequential revision numbers, reordered from the hardware straps
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#define N94_ILLEGAL_BOARD (255)
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#define N94_PROTO1_BOARD (10)
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#define N94_PROTO1a_BOARD (9)
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#define N94_PROTO2_BOARD (8)
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#define N94_PROTO3_BOARD (7)
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#define N94_PROTO3a_BOARD (6)
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#define N94_EVT1_BOARD (5)
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#define N94_EVT1a_BOARD (4)
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#define N94_EVT2_BOARD (3)
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#define N94_DVT_BOARD (2)
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#define N94_PVT_BOARD (1)
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#define N94_PRQ_BOARD (0)
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// Convert the 4-bit hardware board rev to a monotonic software rev
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static u_int8_t hw_rev_to_sw[] = {
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N94_PRQ_BOARD,
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N94_DVT_BOARD,
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N94_EVT1_BOARD,
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N94_PROTO3a_BOARD, // also DEV3a, N78 D300 DEV
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N94_PROTO3_BOARD, // also PreProto3, DEV3
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N94_PROTO2_BOARD,
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N94_PROTO1_BOARD, // and DEV2
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N94_PROTO1a_BOARD, // and DEV1
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N94_PVT_BOARD,
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N94_ILLEGAL_BOARD,
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N94_ILLEGAL_BOARD,
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N94_ILLEGAL_BOARD,
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N94_ILLEGAL_BOARD,
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N94_ILLEGAL_BOARD,
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N94_EVT2_BOARD, // and DEV4 (probably)
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N94_EVT1a_BOARD,
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};
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static u_int32_t n94_get_board_rev(void);
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static u_int32_t display_config;
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MIB_CONSTANT(kMIBTargetOsPictureScale, kOIDTypeUInt32, 2);
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MIB_CONSTANT(kMIBTargetPictureRotate, kOIDTypeInt32, 0);
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void target_early_init(void)
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{
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// OTP-AO matching code for TellurideNanshan DVT: <rdar://problem/9876366>
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if (N94_DVT_BOARD == n94_get_board_rev()) {
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uint8_t pmu_setup[][2] = {
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// buck0 and buck2 controls are set in powerconfig.h for all revs
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{ 0x18, 0x01 }, // BANKSEL=1
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{ 0xe0, 0x01 }, // Enable test mode
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{ 0xa9, 0x48 }, // 0us blanking time
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{ 0xd2, 0x33 }, // 0-180 phasing
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{ 0xa3, 0xa2 }, // reduce charger headroom by 50mV
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{ 0xe0, 0x00 }, // Disable test mode
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{ 0x18, 0x00 }, // BANKSEL=0
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};
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int entries = sizeof(pmu_setup) / (2*sizeof(uint8_t)), index;
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for (index = 0; index < entries; index++)
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iic_write(0, 0xe8, pmu_setup[index], 2);
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}
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}
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void target_late_init(void)
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{
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if (target_config_dev()) {
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if (n94_get_board_rev() >= N94_PROTO2_BOARD)
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platform_not_supported();
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} else {
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if (n94_get_board_rev() >= N94_EVT1_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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}
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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 = 0x00000963;
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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", "n94", 0);
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}
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#endif
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u_int32_t target_lookup_backlight_cal(int index)
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{
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return (index == 2) ? 0x09 : 0;
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}
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#if WITH_DEVICETREE
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int target_update_device_tree(void)
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{
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u_int32_t board_rev = n94_get_board_rev();
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#if WITH_HW_DISPLAY_PINOT
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DTNode *clcd_node, *backlight_node;
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#endif
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DTNode *node;
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uint32_t propSize, propCnt;
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char *propName;
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void *propData;
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// Update the DWI node with the actual voltages
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if (FindNode(0, "arm-io/dwi", &node)) {
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propName = "voltages-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_PINOT
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// Find the CLCD node
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FindNode(0, "arm-io/clcd", &clcd_node);
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if (FindNode(0, "arm-io/mipi-dsim/lcd", &node)) {
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extern int pinot_update_device_tree(DTNode *pinot_node, DTNode *clcd_node, DTNode *backlight_node);
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FindNode(0, "backlight", &backlight_node);
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pinot_update_device_tree(node, clcd_node, backlight_node);
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}
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#endif
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if (board_rev > N94_EVT1a_BOARD)
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{
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// old headset circutry
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if (FindNode(0, "arm-io/i2c0/headset-switch", &node)) {
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propName = "function-ext_switch";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "unused-ext_switch", kPropNameLength);
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}
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}
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if (FindNode(0, "arm-io/i2c0/audio0", &node)) {
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propName = "unused-hpout_ref_control";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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strlcpy(propName, "function-hpout_ref_control", kPropNameLength);
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}
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}
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}
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else if (board_rev > N94_EVT1_BOARD)
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{
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// old headset circutry
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if (FindNode(0, "arm-io/i2c0/headset-switch", &node)) {
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propName = "switch-config";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = 0;
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}
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}
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if (FindNode(0, "arm-io/i2c0/audio0", &node)) {
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propName = "headphone-pop-workaround";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = 1;
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}
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}
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}
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else if (board_rev > N94_DVT_BOARD)
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{
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if (FindNode(0, "arm-io/i2c0/headset-switch", &node)) {
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propName = "switch-config";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData = 0x1a;
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}
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}
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}
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if (board_rev > N94_PRQ_BOARD)
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{
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if (FindNode(0, "arm-io/i2c0/audio0", &node)) {
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propName = "headphone-pop-workaround";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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*(uint32_t *)propData |= 0x8;
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}
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}
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}
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if (board_rev > N94_PROTO3a_BOARD) {
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// <rdar://problem/8777592>
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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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// Pulldown on BB_WAKE_AP, removed for <rdar://problem/8929181>
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power_gpio_configure(1, 0xBB);
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}
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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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if (FindNode(0, "arm-io/i2c0/audio0", &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 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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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 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 the gyro calibration data
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if (FindNode(0, "arm-io/i2c2/gyro", &node)) {
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propName = "low-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('LTGO', propData, propSize);
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}
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propName = "high-temp-offset";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('HTGO', propData, propSize);
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}
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propName = "gyro-sensitivity-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GSCl', propData, propSize);
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}
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propName = "gyro-temp-table";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GYTT', propData, propSize);
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}
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propName = "gyro-interrupt-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('GICl', propData, propSize);
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}
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}
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// Update the gyro 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-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 prox calibration data
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if (FindNode(0, "arm-io/spi1/multi-touch", &node)) {
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propName = "prox-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('PxCl', propData, propSize);
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}
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}
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// Update charger calibration data
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if (FindNode(0, "charger", &node)) {
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propName = "usb-input-limit-calibration";
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if (FindProperty(node, &propName, &propData, &propSize)) {
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syscfgCopyDataForTag('CBAT', 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 n94_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(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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// Convert and sanity-check
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gpio_board_rev = hw_rev_to_sw[gpio_board_rev & 0xf];
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if (N94_ILLEGAL_BOARD == gpio_board_rev)
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panic("Illegal board revision");
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return (gpio_board_rev);
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}
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