waddledoo: Initial commit

This is the initial commit for waddledoo, the NPCX796FC variant of
dedede.  This commit adds ADC channels and i2c ports and some
scaffolding such that the board will compile.  More features will be
coming in subsequent commits.

BUG=b:146172102
BRANCH=None
TEST=`make -j BOARD=waddledoo`

Change-Id: I8277f6ce843fc155bd97f7f46fd96ab98cfe0881
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1988596
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Auto-Submit: Aseda Aboagye <aaboagye@chromium.org>

5 files changed, 178 insertions, 0 deletions

diff --git a/board/waddledoo/board.c b/board/waddledoo/board.c
new file mode 100644
index 0000000000..019849bd94
--- /dev/null
+++ b/board/waddledoo/board.c
@@ -0,0 +1,17 @@
+/* Copyright 2020 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.
+ */
+
+/* Waddledoo board-specific configuration */
+
+#include "adc_chip.h"
+#include "common.h"
+#include "compile_time_macros.h"
+#include "gpio.h"
+#include "i2c.h"
+#include "lid_switch.h"
+#include "power_button.h"
+#include "switch.h"
+
+#include "gpio_list.h"
diff --git a/board/waddledoo/board.h b/board/waddledoo/board.h
new file mode 100644
index 0000000000..84a8286a91
--- /dev/null
+++ b/board/waddledoo/board.h
@@ -0,0 +1,49 @@
+/* Copyright 2020 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.
+ */
+
+/* Waddledoo board configuration */
+
+#ifndef __CROS_EC_BOARD_H
+#define __CROS_EC_BOARD_H
+
+#define VARIANT_DEDEDE_EC_NPCX796FC
+#include "baseboard.h"
+
+/*
+ * Remapping of schematic GPIO names to common GPIO names expected (hardcoded)
+ * in the EC code base.
+ */
+#define GPIO_EC_INT_L       GPIO_EC_AP_MKBP_INT_L
+#define GPIO_ENTERING_RW    GPIO_EC_ENTERING_RW
+#define GPIO_PCH_PWRBTN_L   GPIO_EC_AP_PWR_BTN_ODL
+#define GPIO_PCH_WAKE_L     GPIO_EC_AP_WAKE_ODL
+#define GPIO_POWER_BUTTON_L GPIO_H1_EC_PWR_BTN_ODL
+#define GPIO_WP             GPIO_EC_WP_OD
+
+/* I2C configuration */
+#define I2C_PORT_EEPROM     NPCX_I2C_PORT7_0
+#define I2C_PORT_BATTERY    NPCX_I2C_PORT5_0
+#define I2C_PORT_SENSOR     NPCX_I2C_PORT0_0
+#define I2C_PORT_USB_C0     NPCX_I2C_PORT1_0
+#define I2C_PORT_SUB_USB_C1 NPCX_I2C_PORT2_0
+
+#define I2C_ADDR_EEPROM_FLAGS 0x50 /* 7b address */
+
+#ifndef __ASSEMBLER__
+
+#include "gpio_signal.h"
+#include "registers.h"
+
+enum adc_channel {
+	ADC_TEMP_SENSOR_1,     /* ADC0 */
+	ADC_TEMP_SENSOR_2,     /* ADC1 */
+	ADC_SUB_ANALOG,	       /* ADC2 */
+	ADC_VSNS_PP1050_ST_S,  /* ADC3 */
+	ADC_VSNS_PP3300_A,     /* ADC9 */
+	ADC_CH_COUNT
+};
+
+#endif /* !__ASSEMBLER__ */
+#endif /* __CROS_EC_BOARD_H */
diff --git a/board/waddledoo/build.mk b/board/waddledoo/build.mk
new file mode 100644
index 0000000000..620016f814
--- /dev/null
+++ b/board/waddledoo/build.mk
@@ -0,0 +1,14 @@
+# -*- makefile -*-
+# Copyright 2020 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.
+#
+# Board specific files build
+#
+
+CHIP:=npcx
+CHIP_FAMILY:=npcx7
+CHIP_VARIANT:=npcx7m6fc
+BASEBOARD:=dedede
+
+board-y=board.o
diff --git a/board/waddledoo/ec.tasklist b/board/waddledoo/ec.tasklist
new file mode 100644
index 0000000000..d2983d770d
--- /dev/null
+++ b/board/waddledoo/ec.tasklist
@@ -0,0 +1,15 @@
+/* Copyright 2020 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.
+ */
+
+/*
+ * See CONFIG_TASK_LIST in config.h for details.
+ */
+
+#define CONFIG_TASK_LIST \
+	TASK_ALWAYS(HOOKS, hook_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_NOTEST(KEYPROTO, keyboard_protocol_task, NULL, TASK_STACK_SIZE) \
+	TASK_ALWAYS(CONSOLE, console_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_ALWAYS(HOSTCMD, host_command_task, NULL, VENTI_TASK_STACK_SIZE) \
+	TASK_ALWAYS(POWERBTN, power_button_task, NULL, VENTI_TASK_STACK_SIZE)
diff --git a/board/waddledoo/gpio.inc b/board/waddledoo/gpio.inc
new file mode 100644
index 0000000000..7b1fea7541
--- /dev/null
+++ b/board/waddledoo/gpio.inc
@@ -0,0 +1,83 @@
+/* -*- mode:c -*-
+ *
+ * Copyright 2020 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.
+ */
+
+/*
+ * Declare symbolic names for all the GPIOs that we care about.
+ * Note: Those with interrupt handlers must be declared first.
+ */
+
+GPIO_INT(H1_EC_PWR_BTN_ODL,	 PIN(0, 1), GPIO_INT_BOTH | GPIO_PULL_UP, power_button_interrupt)
+GPIO_INT(LID_OPEN,		 PIN(D, 2), GPIO_INT_BOTH, lid_interrupt)
+GPIO_INT(EC_WP_OD,		 PIN(A, 1), GPIO_INT_BOTH, switch_interrupt)
+
+/* I2C Ports */
+GPIO(EC_I2C_EEPROM_SCL,	      PIN(B, 3), GPIO_INPUT)
+GPIO(EC_I2C_EEPROM_SDA,	      PIN(B, 2), GPIO_INPUT)
+GPIO(EC_I2C_BATTERY_SCL,      PIN(3, 3), GPIO_INPUT)
+GPIO(EC_I2C_BATTERY_SDA,      PIN(3, 6), GPIO_INPUT)
+GPIO(EC_I2C_SENSOR_SCL,	      PIN(B, 5), GPIO_INPUT)
+GPIO(EC_I2C_SENSOR_SDA,	      PIN(B, 4), GPIO_INPUT)
+GPIO(EC_I2C_USB_C0_SCL,	      PIN(9, 0), GPIO_INPUT)
+GPIO(EC_I2C_USB_C0_SDA,	      PIN(8, 7), GPIO_INPUT)
+GPIO(EC_I2C_SUB_USB_C1_SCL,   PIN(9, 2), GPIO_INPUT)
+GPIO(EC_I2C_SUB_USB_C1_SDA,   PIN(9, 1), GPIO_INPUT)
+
+/* Extra Sub-board I/O pins */
+GPIO(EC_SUB_IO_1,  PIN(3, 7), GPIO_OUT_LOW)
+GPIO(EC_SUB_IO_2,  PIN(3, 4), GPIO_OUT_LOW)
+
+/* Misc Enables */
+GPIO(EN_VCCIO_EXT,   PIN(6, 1), GPIO_OUT_LOW)
+GPIO(EN_VCCST,	     PIN(A, 7), GPIO_OUT_LOW)
+GPIO(EN_PP3300_PEN,  PIN(6, 3), GPIO_OUT_LOW)
+GPIO(EN_PP3300_A,    PIN(0, 3), GPIO_OUT_LOW)
+GPIO(EN_PP5000_U,    PIN(A, 4), GPIO_OUT_LOW)
+GPIO(EN_SLP_Z,	     PIN(8, 3), GPIO_OUT_LOW)
+GPIO(EN_KB_BL,	     PIN(6, 0), GPIO_OUT_LOW)
+GPIO(EN_BL_OD,	     PIN(D, 3), GPIO_ODR_LOW)
+GPIO(IMVP9_PE,	     PIN(E, 0), GPIO_OUT_LOW)
+
+/* Power Sequencing */
+GPIO(EC_AP_PSYS,	     PIN(B, 7), GPIO_OUT_LOW)
+GPIO(EC_AP_RSMRST_L,         PIN(A, 6), GPIO_OUT_LOW)
+GPIO(EC_AP_PWR_BTN_ODL,      PIN(C, 1), GPIO_ODR_HIGH)
+GPIO(EC_AP_RTCRST,           PIN(7, 6), GPIO_OUT_LOW)
+GPIO(EC_AP_WAKE_ODL,         PIN(7, 4), GPIO_ODR_HIGH)
+GPIO(EC_AP_DPWROK,	     PIN(A, 3), GPIO_OUT_LOW)
+GPIO(EC_AP_PCH_PWROK_OD,     PIN(9, 4), GPIO_ODR_LOW)
+GPIO(EC_AP_VCCST_PWRGD_OD,   PIN(B, 1), GPIO_ODR_LOW)
+GPIO(EC_AP_SYS_PWROK,	     PIN(0, 2), GPIO_OUT_LOW)
+GPIO(EC_AP_MKBP_INT_L,	     PIN(7, 0), GPIO_OUT_HIGH)
+GPIO(EC_PROCHOT_ODL,	     PIN(F, 1), GPIO_ODR_HIGH | GPIO_PULL_UP | GPIO_SEL_1P8V)
+GPIO(EC_ENTERING_RW,	     PIN(E, 3), GPIO_OUT_LOW)
+GPIO(ALL_SYS_PWRGD,	     PIN(A, 0), GPIO_OUT_LOW)
+GPIO(SYS_RST_ODL,	     PIN(C, 5), GPIO_ODR_HIGH)
+GPIO(RSMRST_PWRGD_L,	     PIN(C, 6), GPIO_OUT_HIGH)
+GPIO(CCD_MODE_ODL,	     PIN(E, 5), GPIO_INPUT)
+
+GPIO(USB_C0_RST_ODL,	     PIN(9, 7), GPIO_OUT_HIGH) /* currently unused */
+GPIO(EC_AP_USB_C1_HDMI_HPD,  PIN(9, 6), GPIO_OUT_LOW)
+GPIO(EC_AP_USB_C0_HPD,	     PIN(9, 3), GPIO_OUT_LOW)
+GPIO(HDMI_SEL_L,	     PIN(7, 2), GPIO_OUT_HIGH)
+
+/* Alternate Functions */
+/* ADC */
+ALTERNATE(PIN_MASK(F, BIT(0)), 0, MODULE_ADC, 0) /* ADC9 */
+ALTERNATE(PIN_MASK(4, 0x3C), 0, MODULE_ADC, 0)   /* ADC0-3 */
+
+/* PWM */
+ALTERNATE(PIN_MASK(C, 0x1C), 0, MODULE_PWM, 0)   /* PWM0-2 */
+ALTERNATE(PIN_MASK(8, BIT(0)), 0, MODULE_PWM, 0) /* PWM3 */
+
+/* UART */
+ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0)  /* UART1 */
+
+/* I2C */
+ALTERNATE(PIN_MASK(B, 0x3C), 0, MODULE_I2C, 0)   /* I2C7,I2C0 */
+ALTERNATE(PIN_MASK(3, 0x48), 0, MODULE_I2C, 0)   /* I2C5 */
+ALTERNATE(PIN_MASK(9, 0x07), 0, MODULE_I2C, 0)   /* I2C2, I2C1 SCL */
+ALTERNATE(PIN_MASK(8, 0x80), 0, MODULE_I2C, 0)   /* I2C1 SDA */