[adm5120] refactor kernel code (part 1), mark it as broken now

[openwrt/svn-archive/archive.git] / target / linux / adm5120-2.6 / files / include / asm-mips / mach-adm5120 / adm5120_uart.h

diff --git a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_uart.h b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_uart.h
new file mode 100755 (executable)
index 0000000..54aacff
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_uart.h
@@ -0,0 +1,75 @@
+/*
+ *  ADM5120 UART definitions
+ *
+ *  This header file defines the hardware registers of the ADM5120 SoC
+ *  built-in UARTs.
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the
+ *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _ADM5120_UART_H_
+#define _ADM5120_UART_H_
+
+#define UART_BAUDDIV(clk, baud) ((clk/(16 * (baud)))-1)
+
+#define UART_REG_DATA  0x00
+#define UART_REG_RSR   0x04
+#define UART_REG_ECR   UART_REG_RSR
+#define UART_REG_LCRH  0x08
+#define UART_REG_LCRM  0x0C
+#define UART_REG_LCRL  0x10
+#define UART_REG_CTRL  0x14
+#define UART_REG_FLAG  0x18
+
+/* Receive Status Register bits */
+#define UART_RSR_FE    ( 1 << 0 )
+#define UART_RSR_PE    ( 1 << 1 )
+#define UART_RSR_BE    ( 1 << 2 )
+#define UART_RSR_OE    ( 1 << 3 )
+#define UART_RSR_ERR   ( UART_RSR_FE | UART_RSR_PE | UART_RSR_BE )
+
+#define UART_ECR_ALL   0xFF
+
+/* Line Control High register bits */
+#define UART_LCRH_BRK  ( 1 << 0 ) /* send break */
+#define UART_LCRH_PEN  ( 1 << 1 ) /* parity enable */
+#define UART_LCRH_EPS  ( 1 << 2 ) /* even parity select */
+#define UART_LCRH_STP1 ( 0 << 3 ) /* one stop bits select */
+#define UART_LCRH_STP2 ( 1 << 3 ) /* two stop bits select */
+#define UART_LCRH_FEN  ( 1 << 4 ) /* FIFO enable */
+
+#define UART_LCRH_WLEN5        ( 0 << 5 )
+#define UART_LCRH_WLEN6        ( 1 << 5 )
+#define UART_LCRH_WLEN7        ( 2 << 5 )
+#define UART_LCRH_WLEN8        ( 3 << 5 )
+
+/* Control register bits */
+#define UART_CTRL_EN   ( 1 << 0 )
+
+/* Flag register bits */
+#define UART_FLAG_CTS  ( 1 << 0 )
+#define UART_FLAG_DSR  ( 1 << 1 )
+#define UART_FLAG_DCD  ( 1 << 2 )
+#define UART_FLAG_BUSY ( 1 << 3 )
+#define UART_FLAG_RXFE ( 1 << 4 )
+#define UART_FLAG_TXFF ( 1 << 5 )
+#define UART_FLAG_RXFF ( 1 << 6 )
+#define UART_FLAG_TXFE ( 1 << 7 )
+
+#endif /* _ADM5120_UART_H_ */