* Code cleanup (ARM mostly)

* Patch by Curt Brune, 17 May 2004:
  - Add support for Samsung S3C4510B CPU (ARM7tdmi based SoC)
  - Add support for ESPD-Inc. EVB4510 Board

1 files changed, 109 insertions, 0 deletions

diff --git a/drivers/s3c4510b_uart.h b/drivers/s3c4510b_uart.h
new file mode 100644
index 0000000..b06c76d
--- /dev/null
+++ b/drivers/s3c4510b_uart.h
@@ -0,0 +1,109 @@
+#ifndef __UART_H
+#define __UART_H
+
+/*
+ * Copyright (c) 2004	Cucy Systems (http://www.cucy.com)
+ * Curt Brune <curt@cucy.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * Description:   S3C4510B UART register layout
+ */
+
+/* UART LINE CONTROL register */
+typedef struct __BF_UART_LINE_CTRL {
+	u32    wordLen: 2;
+	u32      nStop: 1;
+	u32     parity: 3;
+	u32        clk: 1;
+	u32  infra_red: 1;
+	u32     unused:24;
+} BF_UART_LINE_CTRL;
+
+typedef union _UART_LINE_CTRL {
+	u32               ui;
+	BF_UART_LINE_CTRL bf;
+} UART_LINE_CTRL;
+
+/* UART CONTROL register */
+typedef struct __BF_UART_CTRL {
+	u32     rxMode: 2;
+	u32      rxIrq: 1;
+	u32     txMode: 2;
+	u32        DSR: 1;
+	u32  sendBreak: 1;
+	u32   loopBack: 1;
+	u32     unused:24;
+} BF_UART_CTRL;
+
+typedef union _UART_CTRL {
+	u32            ui;
+	BF_UART_CTRL   bf;
+} UART_CTRL;
+
+/* UART STATUS register */
+typedef struct __BF_UART_STAT {
+	u32      overrun: 1;
+	u32       parity: 1;
+	u32        frame: 1;
+	u32     breakIrq: 1;
+	u32          DTR: 1;
+	u32      rxReady: 1;
+	u32   txBufEmpty: 1;
+	u32   txComplete: 1;
+	u32       unused:24;
+} BF_UART_STAT;
+
+typedef union _UART_STAT {
+	u32            ui;
+	BF_UART_STAT   bf;
+} UART_STAT;
+
+/* UART BAUD_DIV register */
+typedef struct __BF_UART_BAUD_DIV {
+	u32      cnt1: 4;
+	u32      cnt0:12;
+	u32    unused:16;
+} BF_UART_BAUD_DIV;
+
+typedef union _UART_BAUD_DIV {
+	u32                ui;
+	BF_UART_BAUD_DIV   bf;
+} UART_BAUD_DIV;
+
+/* UART register block */
+typedef struct __UART {
+	volatile UART_LINE_CTRL  m_lineCtrl;
+	volatile UART_CTRL           m_ctrl;
+	volatile UART_STAT           m_stat;
+	volatile u32                   m_tx;
+	volatile u32                   m_rx;
+	volatile UART_BAUD_DIV    m_baudDiv;
+	volatile u32              m_baudCnt;
+	volatile u32              m_baudClk;
+} UART;
+
+#define NL          0x0A
+#define CR          0x0D
+#define BSP         0x08
+#define ESC         0x1B
+#define CTRLZ       0x1A
+#define RUBOUT      0x7F
+
+#endif