1 files changed, 131 insertions, 0 deletions
diff --git a/board/honeybuns/board.c b/board/honeybuns/board.c
new file mode 100644
index 0000000000..491c736cfc
--- /dev/null
+++ b/board/honeybuns/board.c
@@ -0,0 +1,131 @@
+/* Copyright 2015 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.
+ */
+/* Honeybuns board configuration */
+
+#include "adc.h"
+#include "adc_chip.h"
+#include "common.h"
+#include "console.h"
+#include "ec_version.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "registers.h"
+#include "task.h"
+#include "timer.h"
+#include "usb.h"
+#include "usb_pd.h"
+#include "util.h"
+
+
+
+void vbus_event(enum gpio_signal signal)
+{
+	ccprintf("VBUS!\n");
+}
+
+
+#include "gpio_list.h"
+
+
+static void honeybuns_test_led_update(void)
+{
+	static int toggle_count;
+	toggle_count++;
+
+	gpio_set_level(GPIO_TP6, toggle_count&1);
+}
+DECLARE_HOOK(HOOK_TICK, honeybuns_test_led_update, HOOK_PRIO_DEFAULT);
+
+/* Initialize board. */
+void board_config_pre_init(void)
+{
+	/* enable SYSCFG clock */
+	STM32_RCC_APB2ENR |= 1 << 0;
+
+	/*
+	 * the DMA mapping is :
+	 *  Chan 2 : TIM1_CH1  (C0 RX)
+	 *  Chan 3 : SPI1_TX   (C0 TX)
+	 *  Chan 4 : USART1_TX
+	 *  Chan 5 : USART1_RX
+	 *  Chan 6 :
+	 *  Chan 7 :
+	 */
+	/* Remap USART DMA to match the USART driver */
+	STM32_SYSCFG_CFGR1 |= (1 << 9) | (1 << 10);
+}
+
+
+/* ADC channels */
+const struct adc_t adc_channels[] = {
+	/* USB PD CC lines sensing. Converted to mV (3300mV/4096). */
+	[ADC_CH_CC1_PD] = {"CC1_PD", 3300, 4096, 0, STM32_AIN(0)},
+	/* VBUS sense via 100k/8.8k voltage divder 3.3V -> 40.8V */
+	[ADC_CH_VIN_DIV_P] = {"VIN_DIV_P", 40800, 4096, 0, STM32_AIN(5)},
+	[ADC_CH_VIN_DIV_N] = {"VIN_DIV_N", 40800, 4096, 0, STM32_AIN(6)},
+};
+BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
+
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+	{"master", I2C_PORT_MASTER, 100,
+		GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA},
+};
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+const void * const usb_strings[] = {
+	[USB_STR_DESC] = usb_string_desc,
+	[USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."),
+	[USB_STR_PRODUCT] = USB_STRING_DESC("Honeybuns"),
+	[USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32),
+	[USB_STR_BB_URL] = USB_STRING_DESC(USB_GOOGLE_TYPEC_URL),
+};
+BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT);
+
+
+
+
+void board_set_usb_mux(int port, enum typec_mux mux, int polarity)
+{
+
+	if (mux == TYPEC_MUX_NONE) {
+		/* put the mux in the high impedance state */
+		gpio_set_level(GPIO_SS_MUX_OE_L, 1);
+		return;
+	}
+
+	if ((mux == TYPEC_MUX_DOCK) || (mux == TYPEC_MUX_USB)) {
+		/* Low selects USB Dock */
+		gpio_set_level(GPIO_SS_MUX_SEL, 0);
+	} else if (mux == TYPEC_MUX_DP) {
+		/* high selects display port */
+		gpio_set_level(GPIO_SS_MUX_SEL, 1);
+	}
+
+	/* clear OE line to make mux active */
+	gpio_set_level(GPIO_SS_MUX_OE_L, 0);
+}
+
+int board_get_usb_mux(int port, const char **dp_str, const char **usb_str)
+{
+	int oe_disabled = gpio_get_level(GPIO_SS_MUX_OE_L);
+	int dp_4lanes = gpio_get_level(GPIO_SS_MUX_SEL);
+
+	if (oe_disabled) {
+		*usb_str = NULL;
+		*dp_str = NULL;
+		return 0;
+	}
+
+	if (dp_4lanes) {
+		*dp_str = "DP_4LANE";
+		*usb_str = NULL;
+	} else {
+		*dp_str = "DP_2LANE";
+		*usb_str = "DOCK";
+	}
+	return 1;
+}