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1 /*
2  * DaVinci serial device definitions
3  *
4  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
5  *
6  * 2007 (c) MontaVista Software, Inc. This file is licensed under
7  * the terms of the GNU General Public License version 2. This program
8  * is licensed "as is" without any warranty of any kind, whether express
9  * or implied.
10  */
11 #ifndef __ASM_ARCH_SERIAL_H
12 #define __ASM_ARCH_SERIAL_H
13 
14 #include <asm/memory.h>
15 
16 #include <mach/hardware.h>
17 
18 #define DAVINCI_UART0_BASE	(IO_PHYS + 0x20000)
19 #define DAVINCI_UART1_BASE	(IO_PHYS + 0x20400)
20 #define DAVINCI_UART2_BASE	(IO_PHYS + 0x20800)
21 
22 #define DA8XX_UART0_BASE	(IO_PHYS + 0x042000)
23 #define DA8XX_UART1_BASE	(IO_PHYS + 0x10c000)
24 #define DA8XX_UART2_BASE	(IO_PHYS + 0x10d000)
25 
26 #define TNETV107X_UART0_BASE	0x08108100
27 #define TNETV107X_UART1_BASE	0x08088400
28 #define TNETV107X_UART2_BASE	0x08108300
29 
30 #define TNETV107X_UART0_VIRT	IOMEM(0xfee08100)
31 #define TNETV107X_UART1_VIRT	IOMEM(0xfed88400)
32 #define TNETV107X_UART2_VIRT	IOMEM(0xfee08300)
33 
34 /* DaVinci UART register offsets */
35 #define UART_DAVINCI_PWREMU		0x0c
36 #define UART_DM646X_SCR			0x10
37 #define UART_DM646X_SCR_TX_WATERMARK	0x08
38 
39 #ifndef __ASSEMBLY__
40 struct davinci_uart_config {
41 	/* Bit field of UARTs present; bit 0 --> UART0 */
42 	unsigned int enabled_uarts;
43 };
44 
45 extern int davinci_serial_init(struct davinci_uart_config *);
46 extern int davinci_serial_setup_clk(unsigned instance, unsigned int *rate);
47 #endif
48 
49 #endif /* __ASM_ARCH_SERIAL_H */
50