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/* Copyright (c) 2012 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.
*/
/* Stellaris EKB-LM4F-EAC board configuration */
#ifndef __BOARD_H
#define __BOARD_H
/* 66.667 Mhz clock frequency */
#define CPU_CLOCK 66666667
/* Fan PWM channels */
#define FAN_CH_KBLIGHT 1 /* Keyboard backlight */
#define FAN_CH_POWER_LED 3 /* Power adapter LED */
#define FAN_CH_CPU 4 /* CPU fan */
/* TODO: these should really only be used inside lpc.c; once they are, remove
* from board header files. */
/* LPC channels */
#define LPC_CH_KERNEL 0 /* Kernel commands */
#define LPC_CH_PORT80 1 /* Port 80 debug output */
#define LPC_CH_CMD_DATA 2 /* Data for kernel/user-mode commands */
#define LPC_CH_KEYBOARD 3 /* 8042 keyboard emulation */
#define LPC_CH_USER 4 /* User-mode commands */
#define LPC_CH_COMX 7 /* UART emulation */
/* LPC pool offsets */
#define LPC_POOL_OFFS_KERNEL 0 /* Kernel commands - 0=in, 1=out */
#define LPC_POOL_OFFS_PORT80 4 /* Port 80 - 4=in, 5=out */
#define LPC_POOL_OFFS_COMX 8 /* UART emulation range - 8-15 */
#define LPC_POOL_OFFS_KEYBOARD 16 /* Keyboard - 16=in, 17=out */
#define LPC_POOL_OFFS_USER 20 /* User commands - 20=in, 21=out */
#define LPC_POOL_OFFS_CMD_DATA 512 /* Data range for commands - 512-1023 */
/* LPC pool data pointers */
#define LPC_POOL_KERNEL (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_KERNEL)
#define LPC_POOL_PORT80 (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_PORT80)
#define LPC_POOL_COMX (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_COMX)
#define LPC_POOL_KEYBOARD (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_KEYBOARD)
#define LPC_POOL_CMD_DATA (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_CMD_DATA)
#define LPC_POOL_USER (LM4_LPC_LPCPOOL + LPC_POOL_OFFS_USER)
/* LPC COMx I/O address (in x86 I/O address space) */
#define LPC_COMX_ADDR 0x2f8 /* COM2, since superIO uses COM1 */
/* ADC inputs */
/* TODO: really just need a lookup table for channels to inputs */
#define ADC_IN0 0 /* Turn POT on badger board */
enum adc_channel
{
/* EC internal die temperature in degrees K. */
ADC_CH_EC_TEMP = 0,
/* Treat BDS pot input as charger current. */
ADC_CH_CHARGER_CURRENT,
ADC_CH_COUNT
};
/* I2C ports */
#define I2C_PORT_BATTERY 5 // port 0 / PB2:3 on Link, open on badger
#define I2C_PORT_CHARGER 5 // port 1 / PA6:7 on Link, user LED on badger
#define I2C_PORT_THERMAL 5 // port 5 / PB6:7 on link, but PG6:7 on badger
/* I2C port speeds in kbps */
#define I2C_SPEED_BATTERY 100
#define I2C_SPEED_CHARGER 100
#define I2C_SPEED_THERMAL 400 /* TODO: TMP007 supports 3.4Mbps
operation; use faster speed? */
/* Keyboard scanner uses an entire GPIO bank for row inputs */
#define KB_SCAN_ROW_IRQ LM4_IRQ_GPIOH
#define KB_SCAN_ROW_GPIO LM4_GPIO_H
/* USB charge port */
#define USB_CHARGE_PORT_COUNT 0
/* GPIO signal list */
enum gpio_signal {
/* Inputs with interrupt handlers are first for efficiency */
GPIO_POWER_BUTTONn = 0, /* Power button */
GPIO_LID_SWITCHn, /* Lid switch */
/* Other inputs */
/* Outputs */
GPIO_DEBUG_LED, /* Debug LED */
/* Signals which aren't implemented on BDS but we'll emulate anyway, to
* make it more convenient to debug other code. */
GPIO_PCH_LID_SWITCHn, /* Lid switch output to PCH */
GPIO_PCH_PWRBTNn, /* Power button output to PCH */
GPIO_PCH_BKLTEN, /* Backlight enable signal from PCH */
GPIO_PCH_SLP_An, /* SLP_A# signal from PCH */
GPIO_PCH_SLP_ME_CSW_DEVn, /* SLP_ME_CSW_DEV# signal from PCH */
GPIO_PCH_SLP_S3n, /* SLP_S3# signal from PCH */
GPIO_PCH_SLP_S4n, /* SLP_S4# signal from PCH */
GPIO_PCH_SLP_S5n, /* SLP_S5# signal from PCH */
GPIO_PCH_SLP_SUSn, /* SLP_SUS# signal from PCH */
GPIO_PCH_SUSWARNn, /* 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_ENABLE_1_5V_DDR, /* Enable +1.5V_DDR supply */
GPIO_ENABLE_BACKLIGHT, /* Enable backlight power */
GPIO_ENABLE_VCORE, /* Enable +CPU_CORE and +VGFX_CORE */
GPIO_ENABLE_VS, /* Enable VS power supplies */
GPIO_PCH_DPWROK, /* DPWROK signal to PCH */
GPIO_PCH_PWROK, /* PWROK / APWROK signals to PCH */
GPIO_PCH_RSMRSTn, /* Reset PCH resume power plane logic */
GPIO_PCH_SUSACKn, /* Acknowledge PCH SUSWARN# signal */
GPIO_SHUNT_1_5V_DDR, /* Shunt +1.5V_DDR; may also enable +3V_TP
* depending on stuffing. */
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
enum temp_sensor_id {
TEMP_SENSOR_EC_INTERNAL = 0, /* EC internal temperature sensor */
TEMP_SENSOR_CASE_DIE,
TEMP_SENSOR_COUNT
};
void configure_board(void);
#endif /* __BOARD_H */
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