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authorGregory Nutt <gnutt@nuttx.org>2014-08-26 16:31:47 -0600
committerGregory Nutt <gnutt@nuttx.org>2014-08-26 16:31:47 -0600
commit5e00cc7c21585cac912d9443ddfea0175776fd13 (patch)
tree1964fc1c956410e2decd5c3a72b8d7772f878f64 /nuttx/arch/arm/src/tiva
parentcefe78f6a5595a77dbf1ccc0ecc63dcc559f6e54 (diff)
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CC3200 Launchpad updates
Diffstat (limited to 'nuttx/arch/arm/src/tiva')
-rw-r--r--nuttx/arch/arm/src/tiva/Kconfig4
-rw-r--r--nuttx/arch/arm/src/tiva/tiva_start.c7
-rw-r--r--nuttx/arch/arm/src/tiva/tiva_start.h76
3 files changed, 84 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/tiva/Kconfig b/nuttx/arch/arm/src/tiva/Kconfig
index d346ad2c5..6a469c922 100644
--- a/nuttx/arch/arm/src/tiva/Kconfig
+++ b/nuttx/arch/arm/src/tiva/Kconfig
@@ -91,6 +91,10 @@ config LM_REVA2
Some early silicon returned an increase LDO voltage or 2.75V to work
around a PLL bug
+config TIVA_BOARD_EARLYINIT
+ bool
+ default n
+
menu "Tiva/Stellaris Peripheral Support"
config TIVA_UART0
diff --git a/nuttx/arch/arm/src/tiva/tiva_start.c b/nuttx/arch/arm/src/tiva/tiva_start.c
index ff0e7a10e..f0c66f6d2 100644
--- a/nuttx/arch/arm/src/tiva/tiva_start.c
+++ b/nuttx/arch/arm/src/tiva/tiva_start.c
@@ -52,6 +52,7 @@
#include "tiva_lowputc.h"
#include "tiva_syscontrol.h"
#include "tiva_userspace.h"
+#include "tiva_start.h"
/****************************************************************************
* Pre-processor Definitions
@@ -102,10 +103,10 @@ void __start(void)
#endif
uint32_t *dest;
- /* Configure the uart so that we can get debug output as soon as possible */
+ /* Configure the UART so that we can get debug output as soon as possible */
-#ifdef CONFIG_ARCH_BOARD_CC3200_LAUNCHPAD
- up_earlyconsoleinit();
+#ifdef CONFIG_TIVA_BOARD_EARLYINIT
+ board_earlyinit();
#else
up_clockconfig();
up_lowsetup();
diff --git a/nuttx/arch/arm/src/tiva/tiva_start.h b/nuttx/arch/arm/src/tiva/tiva_start.h
new file mode 100644
index 000000000..ab4a2cd92
--- /dev/null
+++ b/nuttx/arch/arm/src/tiva/tiva_start.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+ * arch/arm/src/tiva/tiva_start.h
+ *
+ * Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_TIVA_TIVA_START_H
+#define __ARCH_ARM_SRC_TIVA_TIVA_START_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_earlyinit
+ *
+ * Description:
+ * If CONFIG_TIVA_BOARD_EARLYINIT, then board-specific logic must provide
+ * the function board_earlyinit() to provide very customized lower-level
+ * board bringup. board_earlyinit() will be called by the start-up logic
+ * instead of up_clockconfig() and up_lowsetup().
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_TIVA_BOARD_EARLYINIT
+void board_earlyinit(void);
+#endif
+
+#endif /* __ARCH_ARM_SRC_TIVA_TIVA_START_H */