summaryrefslogtreecommitdiff
path: root/board/ryu_sh_loader/board.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/ryu_sh_loader/board.c')
-rw-r--r--board/ryu_sh_loader/board.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/board/ryu_sh_loader/board.c b/board/ryu_sh_loader/board.c
new file mode 100644
index 0000000000..80071612c5
--- /dev/null
+++ b/board/ryu_sh_loader/board.c
@@ -0,0 +1,43 @@
+/* Copyright (c) 2014 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.
+ */
+/* ryu sensor hub configuration */
+
+#include "common.h"
+#include "console.h"
+#include "driver/accelgyro_lsm6ds0.h"
+#include "gpio.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "motion_sense.h"
+#include "power.h"
+#include "registers.h"
+#include "task.h"
+#include "util.h"
+
+#include "gpio_list.h"
+
+/* I2C ports */
+const struct i2c_port_t i2c_ports[] = {
+ {"slave", I2C_PORT_SLAVE, 100,
+ GPIO_SLAVE_I2C_SCL, GPIO_SLAVE_I2C_SDA},
+};
+const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
+
+void board_config_pre_init(void)
+{
+ /*
+ * enable SYSCFG clock:
+ * otherwise the SYSCFG peripheral is not clocked during the pre-init
+ * and the register write as no effect.
+ */
+ STM32_RCC_APB2ENR |= 1 << 0;
+ /*
+ * Remap USART DMA to match the USART driver
+ * the DMA mapping is :
+ * Chan 4 : USART1_TX
+ * Chan 5 : USART1_RX
+ */
+ STM32_SYSCFG_CFGR1 |= (1 << 9) | (1 << 10);/* Remap USART1 RX/TX DMA */
+}