From 9ff47d75b5c07661ca2547efb770d02089c2a5d7 Mon Sep 17 00:00:00 2001
From: Evangelos Rigas <erigas@rnd2.org>
Date: Wed, 22 May 2019 08:20:36 +0900
Subject: [PATCH] Add support for Gnukey-DS.

---
 board/board-gnukey-ds.h    | 39 ++++++++++++++++++++++++++++++++++++++
 contrib/ackbtn-stm32f103.c |  1 +
 mcu/sys-stm32f103.h        |  1 +
 3 files changed, 41 insertions(+)
 create mode 100644 board/board-gnukey-ds.h

diff --git a/board/board-gnukey-ds.h b/board/board-gnukey-ds.h
new file mode 100644
index 0000000..2b650a0
--- /dev/null
+++ b/board/board-gnukey-ds.h
@@ -0,0 +1,39 @@
+#define BOARD_NAME "Gnukey DS"
+#define BOARD_ID    0x67ee65a3
+/* echo -n "Gnukey DS" | sha256sum | sed -e 's/^.*\(........\)  -$/\1/' */
+
+#define MCU_STM32F1 1
+#define STM32F10X_MD		/* Medium-density device */
+
+#define STM32_PLLXTPRE                  STM32_PLLXTPRE_DIV1
+#define STM32_PLLMUL_VALUE              9 // 8MHz * 9 = 72 MHz
+#define STM32_HSECLK                    8000000
+
+#define GPIO_LED_BASE   GPIOA_BASE
+#define GPIO_LED_SET_TO_EMIT            3
+#define GPIO_USB_BASE   GPIOA_BASE
+#undef  GPIO_OTHER_BASE
+
+/*
+ * Port A setup.
+ * PA0  - input with pull-up: AN0 for NeuG
+ * PA1  - input with pull-up: AN1 for NeuG
+ * PA2  - input with pull-up: Hall effect sensor output
+ * PA3  - Push pull output 10MHz 0 default (LED 1:ON 0:OFF)
+ * PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
+ * PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
+ * ------------------------ Default
+ * PAx  - input with pull-up.
+ */
+#define VAL_GPIO_LED_ODR            0xFFFFE7F7      /* 0/1 Pull Down/Up */
+#define VAL_GPIO_LED_CRL            0x88881888      /*  PA7...PA0 */
+#define VAL_GPIO_LED_CRH            0x88811888      /* PA15...PA8 */
+
+#define RCC_ENR_IOP_EN      RCC_APB2ENR_IOPAEN
+#define RCC_RSTR_IOP_RST    RCC_APB2RSTR_IOPARST
+
+/*
+ * Board specific information other than clock and GPIO initial
+ * setting should not be in board-*.h, but each driver should include
+ * such specific information by itself.
+ */
diff --git a/contrib/ackbtn-stm32f103.c b/contrib/ackbtn-stm32f103.c
index dce7c62..460940f 100644
--- a/contrib/ackbtn-stm32f103.c
+++ b/contrib/ackbtn-stm32f103.c
@@ -57,6 +57,7 @@ ackbtn_init (chopstx_intr_t *intr)
     {
     case BOARD_ID_FST_01:
     case BOARD_ID_FST_01G:
+    case BOARD_ID_GNUKEY_DS:
       /* PA2 can be connected to a hall sensor or a switch */
       afio_exticr_index = 0;
       afio_exticr_extiX_pY = AFIO_EXTICR1_EXTI2_PA;
diff --git a/mcu/sys-stm32f103.h b/mcu/sys-stm32f103.h
index 2492acc..702fea2 100644
--- a/mcu/sys-stm32f103.h
+++ b/mcu/sys-stm32f103.h
@@ -12,6 +12,7 @@
 #define BOARD_ID_ST_DONGLE         0x2cd4e471
 #define BOARD_ID_ST_NUCLEO_F103    0x9b87c16d
 #define BOARD_ID_NITROKEY_START    0xad1e7ebd
+#define BOARD_ID_GNUKEY_DS         0x67ee65a3
 
 extern const uint8_t sys_version[8];
 #if defined(USE_SYS3) || defined(USE_SYS_BOARD_ID)