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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 Link mainboard */
#ifndef __BOARD_H
#define __BOARD_H
/* Debug features */
#define CONFIG_ASSERT_HELP
#define CONFIG_CONSOLE_CMDHELP
#define CONFIG_PANIC_HELP
#define CONFIG_TASK_PROFILING
/* Optional features */
/*HEY #define CONFIG_SMART_BATTERY */
/*HEY #define CONFIG_BATTERY_LINK */
/*HEY #define CONFIG_CHARGER_BQ24725 */
#ifdef HAS_TASK_CHIPSET
#define CONFIG_CHIPSET_X86_HASWELL
#endif
#define CONFIG_CUSTOM_KEYSCAN
#define CONFIG_EXTPOWER_GPIO
#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_PWM_FAN
#define CONFIG_TEMP_SENSOR
#define CONFIG_USB_PORT_POWER_DUMB
#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 2
/* 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 charge port */
#define USB_CHARGE_PORT_COUNT 2
/* GPIOs for second UART port */
#define CONFIG_UART1_GPIOS_PC4_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_THERMAL_DATA_READY_L, /* Data ready from I2C thermal sensor */
/* Other inputs */
GPIO_AC_PRESENT, /* AC power present */
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_PCH_BKLTEN, /* Backlight enable signal from PCH */
GPIO_PCH_SLP_A_L, /* SLP_A# signal from PCH */
GPIO_PCH_SLP_ME_CSW_DEV_L, /* SLP_ME_CSW_DEV# signal from PCH */
GPIO_PCH_SLP_S3_L, /* SLP_S3# signal from PCH */
GPIO_PCH_SLP_S4_L, /* SLP_S4# signal from PCH */
GPIO_PCH_SLP_S5_L, /* SLP_S5# signal from PCH */
GPIO_PCH_SLP_SUS_L, /* SLP_SUS# signal from PCH */
GPIO_PCH_SUSWARN_L, /* SUSWARN# signal from PCH */
GPIO_PGOOD_1_5V_DDR, /* Power good on +1.5V_DDR */
GPIO_PGOOD_1_5V_PCH, /* Power good on +1.5V_PCH */
GPIO_PGOOD_1_8VS, /* Power good on +1.8VS */
GPIO_PGOOD_5VALW, /* Power good on +5VALW */
GPIO_PGOOD_CPU_CORE, /* Power good on +CPU_CORE */
GPIO_PGOOD_VCCP, /* Power good on +VCCP */
GPIO_PGOOD_VCCSA, /* Power good on +VCCSA */
GPIO_PGOOD_VGFX_CORE, /* Power good on +VGFX_CORE */
GPIO_RECOVERY_L, /* Recovery signal from servo */
GPIO_USB1_STATUS_L, /* USB charger port 1 status output */
GPIO_USB2_STATUS_L, /* USB charger port 2 status output */
GPIO_WRITE_PROTECT, /* Write protect input */
/* Outputs */
GPIO_CPU_PROCHOT, /* Force CPU to think it's overheated */
GPIO_ENABLE_1_5V_DDR, /* Enable +1.5V_DDR supply */
GPIO_ENABLE_5VALW, /* Enable +5V always on rail */
GPIO_ENABLE_BACKLIGHT, /* Enable backlight power */
GPIO_ENABLE_TOUCHPAD, /* Enable touchpad power */
GPIO_ENABLE_VCORE, /* Enable +CPU_CORE and +VGFX_CORE */
GPIO_ENABLE_VS, /* Enable VS power supplies */
GPIO_ENABLE_WLAN, /* Enable WLAN module power (+3VS_WLAN) */
GPIO_ENTERING_RW, /* Indicate when EC is entering RW code */
GPIO_LIGHTBAR_RESET_L, /* Reset lightbar controllers */
GPIO_PCH_A20GATE, /* A20GATE signal to PCH */
GPIO_PCH_DPWROK, /* DPWROK signal to PCH */
GPIO_PCH_HDA_SDO, /* HDA_SDO signal to PCH; when high, ME
* ignores security descriptor */
GPIO_PCH_WAKE_L, /* Wake signal output 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# signal to PCH */
GPIO_PCH_RSMRST_L, /* Reset PCH resume power plane logic */
GPIO_PCH_RTCRST_L, /* Reset PCH RTC well */
GPIO_PCH_SMI_L, /* System management interrupt to PCH */
GPIO_PCH_SRTCRST_L, /* Reset PCH ME RTC well */
GPIO_PCH_SUSACK_L, /* Acknowledge PCH SUSWARN# signal */
GPIO_RADIO_ENABLE_WLAN, /* Enable WLAN radio */
GPIO_RADIO_ENABLE_BT, /* Enable bluetooth radio */
GPIO_SPI_CS_L, /* SPI chip select */
GPIO_TOUCHSCREEN_RESET_L, /* Reset touch screen */
GPIO_USB1_CTL1, /* USB charger port 1 CTL1 output */
GPIO_USB1_CTL2, /* USB charger port 1 CTL2 output */
GPIO_USB1_CTL3, /* USB charger port 1 CTL3 output */
GPIO_USB1_ENABLE, /* USB charger port 1 enable */
GPIO_USB1_ILIM_SEL, /* USB charger port 1 ILIM_SEL output */
GPIO_USB2_CTL1, /* USB charger port 2 CTL1 output */
GPIO_USB2_CTL2, /* USB charger port 2 CTL2 output */
GPIO_USB2_CTL3, /* USB charger port 2 CTL3 output */
GPIO_USB2_ENABLE, /* USB charger port 2 enable */
GPIO_USB2_ILIM_SEL, /* USB charger port 2 ILIM_SEL output */
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
enum adc_channel {
/* EC internal die temperature in degrees K. */
ADC_CH_EC_TEMP = 0,
/* HEY: Slippy 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 {
/* HEY - need two I2C sensor values */
/* EC internal temperature sensor */
TEMP_SENSOR_EC_INTERNAL,
/* CPU die temperature via PECI */
TEMP_SENSOR_CPU_PECI,
TEMP_SENSOR_COUNT
};
/* HEY: The below stuff is for Link. Pick a different pin for Slippy */
/* 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
/* Known board versions for system_get_board_version(). */
enum board_version {
BOARD_VERSION_PROTO1 = 0,
BOARD_VERSION_EVT = 1,
};
#endif /* !__ASSEMBLER__ */
#endif /* __BOARD_H */
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