3 files changed, 198 insertions, 0 deletions

diff --git a/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.c b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.c
new file mode 100644
index 000000000..36a27cb58
--- /dev/null
+++ b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.c
@@ -0,0 +1,49 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include "hal.h"
+
+/**
+ * @brief   PAL setup.
+ * @details Digital I/O ports static configuration as defined in @p board.h.
+ *          This variable is used by the HAL when initializing the PAL driver.
+ */
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+const PALConfig pal_default_config =
+{
+  {VAL_GPIOAODR, VAL_GPIOACRL, VAL_GPIOACRH},
+  {VAL_GPIOBODR, VAL_GPIOBCRL, VAL_GPIOBCRH},
+  {VAL_GPIOCODR, VAL_GPIOCCRL, VAL_GPIOCCRH},
+  {VAL_GPIODODR, VAL_GPIODCRL, VAL_GPIODCRH},
+};
+#endif
+
+/*
+ * Early initialization code.
+ * This initialization must be performed just after stack setup and before
+ * any other initialization.
+ */
+void __early_init(void) {
+  gd32_clock_init();
+}
+
+/*
+ * Board-specific initialization code.
+ */
+void boardInit(void) {
+    /* Free B4 pin by disabling JTAG NJTRST. */
+    AFIO->PCF0 |= AFIO_PCF0_SWJ_CFG_NOJNTRST;
+}
diff --git a/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.h b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.h
new file mode 100644
index 000000000..5ce1b8716
--- /dev/null
+++ b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.h
@@ -0,0 +1,140 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * Setup for a Generic GD32VF103 board.
+ */
+
+/*
+ * Board identifier.
+ */
+#define BOARD_GD32VF103
+#define BOARD_NAME              "Sipeed Longan Nano GD32VF103CBT6"
+#define BOARD_USBFS_NOVBUSSENS
+
+/*
+ * Board frequencies.
+ */
+#define GD32_LXTALCLK              32768
+#define GD32_HXTALCLK            8000000
+
+/*
+ * MCU type, supported types are defined in ./os/hal/platforms/hal_lld.h.
+ */
+#define GD32VF103CB
+
+/*
+ * IO pins assignments
+ */
+#define PIN_GREEN_LED         1
+#define PIN_BLUE_LED          2
+#define PIN_RED_LED           13
+
+#define PIN_DISPLAY_MISO      6
+#define PIN_DISPLAY_MOSI      7
+#define PIN_DISPLAY_SCK       5
+#define PIN_DISPLAY_CS        2
+#define PIN_DISPLAY_DC        0
+#define PIN_DISPLAY_RST       1
+
+#define LINE_GREEN_LED         PAL_LINE(GPIOA, PIN_GREEN_LED)
+#define LINE_BLUE_LED          PAL_LINE(GPIOA, PIN_BLUE_LED)
+#define LINE_RED_LED           PAL_LINE(GPIOC, PIN_RED_LED)
+
+#define LINE_DISPLAY_MISO      PAL_LINE(GPIOA, PIN_DISPLAY_MISO)
+#define LINE_DISPLAY_MOSI      PAL_LINE(GPIOA, PIN_DISPLAY_MOSI)
+#define LINE_DISPLAY_SCK       PAL_LINE(GPIOA, PIN_DISPLAY_SCK)
+#define LINE_DISPLAY_CS        PAL_LINE(GPIOB, PIN_DISPLAY_CS)
+#define LINE_DISPLAY_DC        PAL_LINE(GPIOB, PIN_DISPLAY_DC)
+#define LINE_DISPLAY_RST       PAL_LINE(GPIOB, PIN_DISPLAY_RST)
+/*
+ * I/O ports initial setup, this configuration is established soon after reset
+ * in the initialization code.
+ *
+ * The digits have the following meaning:
+ *   0 - Analog input.
+ *   1 - Push Pull output 10MHz.
+ *   2 - Push Pull output 2MHz.
+ *   3 - Push Pull output 50MHz.
+ *   4 - Digital input.
+ *   5 - Open Drain output 10MHz.
+ *   6 - Open Drain output 2MHz.
+ *   7 - Open Drain output 50MHz.
+ *   8 - Digital input with PullUp or PullDown resistor depending on ODR.
+ *   9 - Alternate Push Pull output 10MHz.
+ *   A - Alternate Push Pull output 2MHz.
+ *   B - Alternate Push Pull output 50MHz.
+ *   C - Reserved.
+ *   D - Alternate Open Drain output 10MHz.
+ *   E - Alternate Open Drain output 2MHz.
+ *   F - Alternate Open Drain output 50MHz.
+ * Please refer to the STM32 Reference Manual for details.
+ */
+
+/*
+ * Port A setup.
+ * Everything input with pull-up except:
+ * A1 - Green LED - Push Pull output 50MHz
+ * A2 - Blue LED - Push Pull output 50MHz
+ * A5 - Display SCK - Alternate Push Pull output 50MHz.
+ * A7 - Display MOSI - Alternate Push Pull output 50MHz.
+ */
+#define VAL_GPIOACRL            0xB8B88338      /*  PA7...PA0 */
+#define VAL_GPIOACRH            0x88888888      /* PA15...PA8 */
+#define VAL_GPIOAODR            0xFFFFFFFF
+
+/*
+ * Port B setup.
+ * Everything input with pull-up except:
+ * B0 - Display DC - Push Pull output 50Mhz.
+ * B1 - Display RST - Push Pull output 50Mhz.
+ * B2 - Display CS - Push Pull output 50Mhz.
+ */
+#define VAL_GPIOBCRL            0x88888333      /*  PB7...PB0 */
+#define VAL_GPIOBCRH            0x88888888      /* PB15...PB8 */
+#define VAL_GPIOBODR            0xFFFFFFFF
+
+/*
+ * Port C setup.
+ * Everything input with pull-up except:
+ * C13 - RED LED - Push Pull output 50MHz
+ */
+#define VAL_GPIOCCRL            0x88888888      /*  PC7...PC0 */
+#define VAL_GPIOCCRH            0x88388888      /* PC15...PC8 */
+#define VAL_GPIOCODR            0xFFFFFFFF
+
+/*
+ * Port D setup.
+ * Everything input with pull-up except:
+ */
+#define VAL_GPIODCRL            0x88888888      /*  PD7...PD0 */
+#define VAL_GPIODCRH            0x88888888      /* PD15...PD8 */
+#define VAL_GPIODODR            0xFFFFFFFF
+
+#if !defined(_FROM_ASM_)
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void boardInit(void);
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FROM_ASM_ */
+
+#endif /* _BOARD_H_ */
diff --git a/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.mk b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.mk
new file mode 100644
index 000000000..960fc2678
--- /dev/null
+++ b/lib/chibios-contrib/os/hal/boards/SIPEED_LONGAN_NANO/board.mk
@@ -0,0 +1,9 @@
+# List of all the board related files.
+BOARDSRC = ${CHIBIOS_CONTRIB}/os/hal/boards/SIPEED_LONGAN_NANO/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS_CONTRIB}/os/hal/boards/SIPEED_LONGAN_NANO
+
+# Shared variables
+ALLCSRC += $(BOARDSRC)
+ALLINC  += $(BOARDINC)