Basic UART/console functionality

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1697 42af7a65-404d-4744-a932-0658087f49c3

configs/mx1ads/include/board.h

@@ -48,7 +48,26 @@
 /************************************************************************************
  * Definitions
  ************************************************************************************/
- 
+
+/* Clock settings */
+
+#define IMX_SYS_CLK_FREQ    16780000
+#define IMX_SYSPLL_CLK_FREQ 16000000
+#define IMX_PERCLK1_FREQ    96000000
+
+/* MPCTL */
+
+#define IMX_MPCTL0_VALUE    0x04632410 /* For 150MHz MCU PLL clock */
+#define IMX_MPCTL0_VALUE    0x03AA11B9 /* For 150 MHz ARM clock with 32.768 KHz crystal */
+
+/* SPCTL */
+
+#define IMX_SPCTL0_VALUE    0x07AA16A6; /* For 96MHz peripheral clock with 32.768 KHz crystal */
+
+/* PDCR */
+
+#define IMX_PCDR_VALUE      0x00000055
+
 /* LED definitions ******************************************************************/
 
 /* The MX1ADS has only one usable LED: Port A, bit 2 */

configs/mx1ads/ostest/defconfig

@@ -76,8 +76,10 @@ CONFIG_ARCH_STACKDUMP=y
 #
 # IMX specific device driver settings
 #
+# CONFIG_UARTn_DISABLE - select to disable all support for
+#   the UART
 # CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
-#   console and ttys0 (default is the UART0).
+#   console and ttys0 (default is the UART1).
 # CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
 #   This specific the size of the receive buffer
 # CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
@@ -87,27 +89,30 @@ CONFIG_ARCH_STACKDUMP=y
 # CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
 # CONFIG_UARTn_2STOP - Two stop bits
 #
-CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_UART1_DISABLE=n
-CONFIG_UART1_SERIAL_CONSOLE=n
+CONFIG_UART2_DISABLE=y
+CONFIG_UART3_DISABLE=y
+CONFIG_UART1_SERIAL_CONSOLE=y
 CONFIG_UART2_SERIAL_CONSOLE=n
-CONFIG_UART0_TXBUFSIZE=256
+CONFIG_UART3_SERIAL_CONSOLE=n
 CONFIG_UART1_TXBUFSIZE=256
 CONFIG_UART2_TXBUFSIZE=256
-CONFIG_UART0_RXBUFSIZE=256
+CONFIG_UART3_TXBUFSIZE=256
 CONFIG_UART1_RXBUFSIZE=256
 CONFIG_UART2_RXBUFSIZE=256
-CONFIG_UART0_BAUD=115200
+CONFIG_UART3_RXBUFSIZE=256
 CONFIG_UART1_BAUD=115200
 CONFIG_UART2_BAUD=115200
-CONFIG_UART0_BITS=8
+CONFIG_UART3_BAUD=115200
 CONFIG_UART1_BITS=8
 CONFIG_UART2_BITS=8
-CONFIG_UART0_PARITY=0
+CONFIG_UART3_BITS=8
 CONFIG_UART1_PARITY=0
 CONFIG_UART2_PARITY=0
-CONFIG_UART0_2STOP=0
+CONFIG_UART3_PARITY=0
 CONFIG_UART1_2STOP=0
 CONFIG_UART2_2STOP=0
+CONFIG_UART3_2STOP=0
 
 #
 # General build options

configs/mx1ads/src/up_leds.c

@@ -54,22 +54,6 @@
  * Private Functions
  ****************************************************************************/
 
-/****************************************************************************
- * Name: imx_ledon
- ****************************************************************************/
-
-static inline void imx_ledon(void)
-{
-}
-
-/****************************************************************************
- * Name: imx_ledoff
- ****************************************************************************/
-
-static void imx_ledoff(void)
-{
-}
-
 /****************************************************************************
  * Public Funtions
  ****************************************************************************/