From 6fa57f0ffdf64586ead5d184781ae6b471e503b9 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 1 May 2007 00:28:53 +0000
Subject: [PATCH] Low level UART support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@196 42af7a65-404d-4744-a932-0658087f49c3
---
 configs/mcu123-lpc214x/defconfig       | 29 ++++++++++++++++++++++++++
 configs/mcu123-lpc214x/include/board.h | 16 ++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/configs/mcu123-lpc214x/defconfig b/configs/mcu123-lpc214x/defconfig
index 73888e9227..8cfc96dc39 100644
--- a/configs/mcu123-lpc214x/defconfig
+++ b/configs/mcu123-lpc214x/defconfig
@@ -78,6 +78,35 @@ CONFIG_BCFG1_SETUP=n
 CONFIG_BCFG2_SETUP=n
 CONFIG_BCFG3_SETUP=n
 
+#
+# LPC214X specific device driver settings
+#
+# CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
+#   console and ttys0 (default is the UART0).
+# CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
+#   This specific the size of the receive buffer
+# CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
+#   being sent.  This specific the size of the transmit buffer
+# CONFIG_UARTn_BAUD - The configure BAUD of the UART.  Must be
+# CONFIG_UARTn_BITS - The number of bits.  Must be either 7 or 8.
+# CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity, 3=mark 1, 4=space 0
+# CONFIG_UARTn_2STOP - Two stop bits
+#
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_UART1_SERIAL_CONSOLE=n
+CONFIG_UART0_TXBUFSIZE=256
+CONFIG_UART1_TXBUFSIZE=256
+CONFIG_UART0_RXBUFSIZE=256
+CONFIG_UART1_RXBUFSIZE=256
+CONFIG_UART0_BAUD=115200
+CONFIG_UART1_BAUD=115200
+CONFIG_UART0_BITS=8
+CONFIG_UART1_BITS=8
+CONFIG_UART0_PARITY=0
+CONFIG_UART1_PARITY=0
+CONFIG_UART0_2STOP=n
+CONFIG_UART1_2STOP=n
+
 #
 # General OS setup
 #
diff --git a/configs/mcu123-lpc214x/include/board.h b/configs/mcu123-lpc214x/include/board.h
index 2ed4d0a8b8..5fd69c3aa9 100644
--- a/configs/mcu123-lpc214x/include/board.h
+++ b/configs/mcu123-lpc214x/include/board.h
@@ -50,6 +50,22 @@
 
 /* Clocking *************************************************/
 
+#define LPC214X_FOSC      12000000
+#define LPC214X_PLL_M     5
+#define LPC214X_MSEL      (PLL_M-1)
+#define LPC214X_PLL_P     2
+
+#define LPC214X_PSEL0     5
+#define LPC214X_PSEL1     6
+
+#define LPC214X_PLLE      0
+#define LPC214X_PLLC      1
+
+#define LPC214X_PLOCK     10
+
+#define LPC214X_PLL_FEED1 0xaa
+#define LPC214X_PLL_FEED2 0x55
+
 /* LED definitions ******************************************/
 
 /************************************************************