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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Configuration for Peppy mainboard */
#ifndef __BOARD_H
#define __BOARD_H
/* Optional features */
#define CONFIG_BACKLIGHT_X86
#define CONFIG_BATTERY_CHECK_CONNECTED
#define CONFIG_BATTERY_SMART
#define CONFIG_BOARD_VERSION
#define CONFIG_CHARGER
#define CONFIG_CHARGER_BQ24707A
#define CONFIG_CHARGER_DISCHARGE_ON_AC
#ifdef HAS_TASK_CHIPSET
#define CONFIG_CHIPSET_HASWELL
#define CONFIG_CHIPSET_X86
#endif
#define CONFIG_EXTPOWER_GPIO
#define CONFIG_KEYBOARD_BOARD_CONFIG
#ifdef HAS_TASK_KEYPROTO
#define CONFIG_KEYBOARD_PROTOCOL_8042
#endif
#define CONFIG_LID_SWITCH
#define CONFIG_LPC
#define CONFIG_PECI
#define CONFIG_POWER_BUTTON
#define CONFIG_POWER_BUTTON_X86
#define CONFIG_PWM_FAN
#define CONFIG_TEMP_SENSOR
#define CONFIG_TEMP_SENSOR_G781
#define CONFIG_USB_PORT_POWER_DUMB
#define CONFIG_WIRELESS
#ifndef __ASSEMBLER__
/* PWM channels */
#define FAN_CH_CPU 2 /* CPU fan */
#define FAN_CH_BL_DISPLAY 4 /* LVDS backlight (from PCH, cleaned by EC) */
/* I2C ports */
#define I2C_PORT_BATTERY 0
#define I2C_PORT_CHARGER 0
#define I2C_PORT_THERMAL 5
/* There are only two I2C ports used because battery and charger share a port */
#define I2C_PORTS_USED 2
/* 13x8 keyboard scanner uses an entire GPIO bank for row inputs */
#define KB_SCAN_ROW_IRQ LM4_IRQ_GPIOK
#define KB_SCAN_ROW_GPIO LM4_GPIO_K
/* Host connects to keyboard controller module via LPC */
#define HOST_KB_BUS_LPC
/* USB ports */
#define USB_PORT_COUNT 2
/* GPIOs for second UART port */
#define CONFIG_HOST_UART 2
#define CONFIG_HOST_UART_IRQ LM4_IRQ_UART2
#define CONFIG_HOST_UART2_GPIOS_PG4_5
/* GPIO signal definitions. */
enum gpio_signal {
/* Inputs with interrupt handlers are first for efficiency */
GPIO_POWER_BUTTON_L = 0, /* Power button */
GPIO_LID_OPEN, /* Lid switch */
GPIO_AC_PRESENT, /* AC power present */
GPIO_PCH_BKLTEN, /* Backlight enable signal from PCH */
GPIO_PCH_SLP_S0_L, /* SLP_S0# signal from PCH */
GPIO_PCH_SLP_S3_L, /* SLP_S3# signal from PCH */
GPIO_PCH_SLP_S5_L, /* SLP_S5# signal from PCH */
GPIO_PCH_SLP_SUS_L, /* SLP_SUS# signal from PCH */
GPIO_PP1050_PGOOD, /* Power good on 1.05V */
GPIO_PP1350_PGOOD, /* Power good on 1.35V (DRAM) */
GPIO_PP5000_PGOOD, /* Power good on 5V */
GPIO_VCORE_PGOOD, /* Power good on core VR */
GPIO_PCH_EDP_VDD_EN, /* PCH wants EDP enabled */
GPIO_RECOVERY_L, /* Recovery signal from servo */
GPIO_WP_L, /* Write protect input */
/* Other inputs */
GPIO_FAN_ALERT_L, /* From thermal sensor */
GPIO_PCH_SUSWARN_L, /* SUSWARN# signal from PCH */
GPIO_USB1_OC_L, /* USB port overcurrent warning */
GPIO_USB2_OC_L, /* USB port overcurrent warning */
GPIO_BOARD_VERSION1, /* Board version stuffing resistor 1 */
GPIO_BOARD_VERSION2, /* Board version stuffing resistor 2 */
GPIO_BOARD_VERSION3, /* Board version stuffing resistor 3 */
GPIO_CPU_PGOOD, /* Power good to the CPU */
GPIO_BAT_DETECT_L, /* Battery detect. Repurposed BAT_TEMP */
/* Outputs */
GPIO_CPU_PROCHOT, /* Force CPU to think it's overheated */
GPIO_PP1350_EN, /* Enable 1.35V supply */
GPIO_PP3300_DSW_GATED_EN, /* Enable DSW rails */
GPIO_PP3300_DX_EN, /* Enable power to lots of peripherals */
GPIO_PP3300_LTE_EN, /* Enable LTE radio */
GPIO_PP3300_WLAN_EN, /* Enable WiFi power */
GPIO_SUSP_VR_EN, /* Enable 1.05V regulator */
GPIO_VCORE_EN, /* Stuffing option - not connected */
GPIO_PP5000_EN, /* Enable 5V supply */
GPIO_SYS_PWROK, /* EC thinks everything is up and ready */
GPIO_WLAN_OFF_L, /* Disable WiFi radio */
GPIO_CHARGE_L, /* Allow battery to charge when on AC */
GPIO_ENABLE_BACKLIGHT, /* Enable backlight power */
GPIO_ENABLE_TOUCHPAD, /* Enable touchpad power */
GPIO_ENTERING_RW, /* Indicate when EC is entering RW code */
GPIO_PCH_DPWROK, /* Indicate when VccDSW is good */
GPIO_PCH_HDA_SDO, /* HDA_SDO signal to PCH; when high, ME
* ignores security descriptor */
GPIO_PCH_WAKE_L, /* Wake signal from EC to PCH */
GPIO_PCH_NMI_L, /* Non-maskable interrupt pin to PCH */
GPIO_PCH_PWRBTN_L, /* Power button output to PCH */
GPIO_PCH_PWROK, /* PWROK / APWROK signals to PCH */
GPIO_PCH_RCIN_L, /* RCIN# line to PCH (for 8042 emulation) */
GPIO_PCH_RSMRST_L, /* Reset PCH resume power plane logic */
GPIO_PCH_SMI_L, /* System management interrupt to PCH */
GPIO_TOUCHSCREEN_RESET_L, /* Reset touch screen */
GPIO_EC_EDP_VDD_EN, /* Enable EDP (passthru from PCH) */
GPOI_LPC_CLKRUN_L, /* Dunno. Probably important, though. */
GPIO_USB1_ENABLE, /* USB port 1 output power enable */
GPIO_USB2_ENABLE, /* USB port 2 output power enable */
GPIO_PCH_SUSACK_L, /* Acknowledge PCH SUSWARN# signal */
GPIO_PCH_RTCRST_L, /* Not supposed to be here */
GPIO_PCH_SRTCRST_L, /* Not supposed to be here */
GPIO_BAT_LED0_L, /* Battery charging LED - blue */
GPIO_BAT_LED1_L, /* Battery charging LED - orange */
GPIO_PWR_LED0_L, /* Power LED - blue */
GPIO_PWR_LED1_L, /* Power LED - orange */
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
/* x86 signal definitions */
enum x86_signal {
X86_PGOOD_PP5000 = 0,
X86_PGOOD_PP1350,
X86_PGOOD_PP1050,
X86_PGOOD_VCORE,
X86_PCH_SLP_S0n_DEASSERTED,
X86_PCH_SLP_S3n_DEASSERTED,
X86_PCH_SLP_S5n_DEASSERTED,
X86_PCH_SLP_SUSn_DEASSERTED,
/* Number of X86 signals */
X86_SIGNAL_COUNT
};
/* Charger module */
#define CONFIG_CHARGER_SENSE_RESISTOR 10 /* Charge sense resistor, mOhm */
#define CONFIG_CHARGER_SENSE_RESISTOR_AC 10 /* Input sensor resistor, mOhm */
#define CONFIG_CHARGER_INPUT_CURRENT 3078 /* mA, 90% of power supply rating */
enum adc_channel {
/* EC internal die temperature in degrees K. */
ADC_CH_EC_TEMP = 0,
/* HEY: Peppy MB has only one discrete thermal sensor, but it has two
* values (one internal and one external). Both should be here.
* HEY: There may be a BAT_TEMP sensor on the battery pack too.
*/
/* HEY: Be prepared to read this (ICMNT). */
/* Charger current in mA. */
ADC_CH_CHARGER_CURRENT,
ADC_CH_COUNT
};
enum temp_sensor_id {
#ifdef CONFIG_PECI
/* CPU die temperature via PECI */
TEMP_SENSOR_CPU_PECI = 0,
/* EC internal temperature sensor */
TEMP_SENSOR_EC_INTERNAL,
#else
/* EC internal temperature sensor */
TEMP_SENSOR_EC_INTERNAL = 0,
#endif
/* G781 internal and external sensors */
TEMP_SENSOR_I2C_G781_INTERNAL,
TEMP_SENSOR_I2C_G781_EXTERNAL,
TEMP_SENSOR_COUNT
};
/**
* Board-specific g781 power state.
*/
int board_g781_has_power(void);
/* HEY: The below stuff is for Link. Pick a different pin for Peppy */
/* Target value for BOOTCFG. This is set to PE2/USB1_CTL1, which has an external
* pullup. If this signal is pulled to ground when the EC boots, the EC will get
* into the boot loader and we can recover bricked EC. */
#define BOOTCFG_VALUE 0x7fff88fe
/* Wireless signals */
#define WIRELESS_GPIO_WLAN GPIO_WLAN_OFF_L
#define WIRELESS_GPIO_WWAN GPIO_PP3300_LTE_EN
#define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_WLAN_EN
/* Discharge battery when on AC power for factory test. */
int board_discharge_on_ac(int enable);
#endif /* !__ASSEMBLER__ */
#endif /* __BOARD_H */
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