From a1c8e97c12b616565a00d66519ae33de23783028 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Thu, 27 Nov 2014 06:12:35 -0600
Subject: [PATCH] Enable support for STM32F102. 
 https://github.com/PX4/NuttX/pull/28.diff

---
 arch/arm/include/stm32/chip.h | 37 +++++++++++++++++++++++++++++++++++
 arch/arm/src/stm32/Kconfig    | 15 ++++++++++++++
 arch/arm/src/stm32/chip.h     |  4 ++++
 3 files changed, 56 insertions(+)

diff --git a/arch/arm/include/stm32/chip.h b/arch/arm/include/stm32/chip.h
index ae2e44767a..ec22d39878 100644
--- a/arch/arm/include/stm32/chip.h
+++ b/arch/arm/include/stm32/chip.h
@@ -534,6 +534,43 @@
 #  define STM32_NRNG                     0   /* No random number generator (RNG) */
 #  define STM32_NDCMI                    0   /* No digital camera interface (DCMI) */
 
+
+/* STM32 F102x8/102xB Medium Density USB Access Family ***************************/
+#elif defined(CONFIG_ARCH_CHIP_STM32F102CB)
+#  undef  CONFIG_STM32_STM32L15XX            /* STM32L151xx and STM32L152xx family */
+#  undef  CONFIG_STM32_ENERGYLITE            /* STM32L EnergyLite vamily */
+#  define CONFIG_STM32_STM32F10XX        1   /* STM32F10xx family */
+#  undef  CONFIG_STM32_LOWDENSITY            /* STM32F100x, STM32F101x, STM32F102x and STM32F103x w/ 16/32 Kbytes */
+#  define CONFIG_STM32_MEDIUMDENSITY     1   /* STM32F100x, STM32F101x, STM32F102x and STM32F103x w/ 64/128 Kbytes */
+#  undef  CONFIG_STM32_HIGHDENSITY           /* STM32F100x, STM32F101x, and STM32F103x w/ 256/512 Kbytes */
+#  undef  CONFIG_STM32_VALUELINE             /* STM32F100x */
+#  define CONFIG_STM32_USBACCESSLINE     1   /* STM32F102xx */
+#  undef  CONFIG_STM32_CONNECTIVITYLINE      /* STM32F105x and STM32F107x */
+#  undef  CONFIG_STM32_STM32F20XX            /* STM32F205x and STM32F207x */
+#  undef  CONFIG_STM32_STM32F30XX            /* STM32F30xxx family */
+#  undef  CONFIG_STM32_STM32F40XX            /* STM32F405xx and STM32407xx families */
+#  define STM32_NFSMC                    1   /* FSMC */
+#  define STM32_NATIM                    0   /* No advanced timer TIM1 */
+#  define STM32_NGTIM                    3   /* 16-bit general timers TIM2,3,4 */
+#  define STM32_NBTIM                    0   /* No basic timers */
+#  define STM32_NDMA                     1   /* DMA */
+#  define STM32_NSPI                     2   /* SPI1-2 */
+#  define STM32_NI2S                     0   /* No I2S */
+#  define STM32_NUSART                   3   /* USART1-3 */
+#  define STM32_NI2C                     2   /* I2C1-2 */
+#  define STM32_NCAN                     0   /* No CAN */
+#  define STM32_NSDIO                    0   /* No SDIO */
+#  define STM32_NLCD                     0   /* No LCD */
+#  define STM32_NUSBOTG                  0   /* No USB OTG FS/HS */
+#  define STM32_NGPIO                    37  /* GPIOA-D */
+#  define STM32_NADC                     1   /* ADC1 */
+#  define STM32_NDAC                     0   /* No DAC */
+#  define STM32_NCAPSENSE                0   /* No capacitive sensing channels */
+#  define STM32_NCRC                     1   /* CRC1 */
+#  define STM32_NETHERNET                0   /* No ethernet */
+#  define STM32_NRNG                     0   /* No random number generator (RNG) */
+#  define STM32_NDCMI                    0   /* No digital camera interface (DCMI) */
+
 /* STM32 F103 Low Density Family *************************************************/
 
 /* STM32F103C4 & STM32F103C6 */
diff --git a/arch/arm/src/stm32/Kconfig b/arch/arm/src/stm32/Kconfig
index 61c78e2f2b..33c08b2ac7 100644
--- a/arch/arm/src/stm32/Kconfig
+++ b/arch/arm/src/stm32/Kconfig
@@ -251,6 +251,13 @@ config ARCH_CHIP_STM32F100VE
 	select STM32_VALUELINE
 	select STM32_HIGHDENSITY
 
+config ARCH_CHIP_STM32F102CB
+	bool "STM32F102CB"
+	select ARCH_CORTEXM3
+	select STM32_STM32F10XX
+	select STM32_USBACCESSLINE
+	select STM32_MEDIUMDENSITY
+
 config ARCH_CHIP_STM32F103T8
 	bool "STM32F103T8"
 	select ARCH_CORTEXM3
@@ -673,6 +680,14 @@ config STM32_PERFORMANCELINE
 	select STM32_HAVE_ADC2
 	select STM32_HAVE_CAN1
 
+config STM32_USBACCESSLINE
+	bool
+	default n
+	select STM32_HAVE_USBDEV
+	select STM32_HAVE_FSMC
+	select STM32_HAVE_USART3
+	select STM32_HAVE_SPI2
+
 config STM32_HIGHDENSITY
 	bool
 	default n
diff --git a/arch/arm/src/stm32/chip.h b/arch/arm/src/stm32/chip.h
index 87225ce0c8..17d9cc9f89 100644
--- a/arch/arm/src/stm32/chip.h
+++ b/arch/arm/src/stm32/chip.h
@@ -69,6 +69,10 @@
 #  if defined(CONFIG_STM32_VALUELINE)
 #    include "chip/stm32f100_pinmap.h"
 
+/* STM32 F102 USB Access Medium Density Family */
+#  elif defined(CONFIG_ARCH_CHIP_STM32F102CB)
+#    include "chip/stm32f102_pinmap.h"
+
 /* STM32 F103 Low / Medium Density Family */
 #  elif defined(CONFIG_ARCH_CHIP_STM32F103C4) || \
         defined(CONFIG_ARCH_CHIP_STM32F103C8) || \