Add LM3S6965 configuration

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2655 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 144 insertions, 0 deletions

diff --git a/nuttx/configs/lm3s6965-ek/include/board.h b/nuttx/configs/lm3s6965-ek/include/board.h
new file mode 100755
index 000000000..a7062099c
--- /dev/null
+++ b/nuttx/configs/lm3s6965-ek/include/board.h
@@ -0,0 +1,144 @@
+/************************************************************************************
+ * configs/lm3s6965-ek/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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_BOARD_BOARD_H
+#define __ARCH_BOARD_BOARD_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include "lm3s_internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* Clocking *************************************************************************/
+
+/* RCC settings */
+
+#define SYSCON_RCC_XTAL      SYSCON_RCC_XTAL8000KHZ /* Eagle100 on-board crystall is 8.00 MHz */
+#define XTAL_FREQUENCY       8000000
+
+/* Oscillator source is the main oscillator (not internal, internal/4, 30KHz or
+ * 30KHz from hibernate module) */
+
+#define SYSCON_RCC_OSCSRC    SYSCON_RCC_OSCSRC_MOSC
+#define SYSCON_RCC2_OSCSRC   SYSCON_RCC2_OSCSRC2_MOSC
+#define OSCSRC_FREQUENCY     XTAL_FREQUENCY
+
+/* Use system divider = 4; this corresponds to a system clock frequency
+ * of (400 / 2) / 4 = 50MHz
+ */
+
+#define LM3S_SYSDIV          4
+#define SYSCLK_FREQUENCY     50000000  /* 50MHz */
+
+/* Other RCC settings:
+ *
+ * - Main and internal oscillators enabled.
+ * - PLL and sys dividers not bypassed
+ * - PLL not powered down
+ * - No auto-clock gating reset
+ */
+
+#define LM3S_RCC_VALUE (SYSCON_RCC_OSCSRC | SYSCON_RCC_XTAL | SYSCON_RCC_USESYSDIV | SYSCON_RCC_SYSDIV(LM3S_SYSDIV))
+
+/* RCC2 settings -- RCC2 not used.  Other RCC2 settings
+ *
+ * - PLL and sys dividers not bypassed.
+ * - PLL not powered down
+ * - Not using RCC2
+ */
+
+#define LM3S_RCC2_VALUE (SYSCON_RCC2_OSCSRC | SYSCON_RCC2_SYSDIV(LM3S_SYSDIV))
+
+/* LED definitions ******************************************************************/
+
+/* The Eagle-100 has only one user LED: Port E, Bit 1.  Below is the mapping of this
+ * single LED.  From this single LED, we can get the following information:
+ *
+ *   OFF Steady:    The system has failed to boot to the point of enabling interrupts
+ *   ON Steady:     The systems has enabled interrupts, but none have been received
+ *   Dull glow:     The system is taking interrupts
+ *   Slow blinking: The system has panicked
+ */
+                                /* ON   OFF */
+#define LED_STARTED       0     /* OFF  OFF */
+#define LED_HEAPALLOCATE  1     /* OFF  OFF */
+#define LED_IRQSENABLED   2     /* ON   ON */
+#define LED_STACKCREATED  3     /* ON   ON */
+#define LED_INIRQ         4     /* ON   OFF */
+#define LED_SIGNAL        5     /* ON   OFF */
+#define LED_ASSERTION     6     /* ON   OFF */
+#define LED_PANIC         7     /* ON   OFF */
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/************************************************************************************
+ * Name: lm3s_boardinitialize
+ *
+ * Description:
+ *   All LM3S architectures must provide the following entry point.  This entry point
+ *   is called early in the intitialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+extern void lm3s_boardinitialize(void);
+
+/************************************************************************************
+ * Name: lm3s_ethernetmac
+ *
+ * Description:
+ *   For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile
+ *   USER0 and USER1 registers.  If CONFIG_LM3S_BOARDMAC is defined, this function
+ *   will obtain the MAC address from these registers.
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_LM3S_BOARDMAC
+struct ether_addr;
+extern void lm3s_ethernetmac(struct ether_addr *ethaddr);
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif  /* __ARCH_BOARD_BOARD_H */