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 /*
19  * Stolen area that contains debug uart physical and virtual addresses.  These
20  * addresses are filled in by the uncompress.h code, and are used by the debug
21  * macros in debug-macro.S.
22  *
23  * This area sits just below the page tables (see arch/arm/kernel/head.S).
24  * We define it as a relative offset from start of usable RAM.
25  */
26 #define DAVINCI_UART_INFO_OFS	0x3ff8
27 
28 #define DAVINCI_UART0_BASE	(IO_PHYS + 0x20000)
29 #define DAVINCI_UART1_BASE	(IO_PHYS + 0x20400)
30 #define DAVINCI_UART2_BASE	(IO_PHYS + 0x20800)
31 
32 #define DA8XX_UART0_BASE	(IO_PHYS + 0x042000)
33 #define DA8XX_UART1_BASE	(IO_PHYS + 0x10c000)
34 #define DA8XX_UART2_BASE	(IO_PHYS + 0x10d000)
35 
36 #define TNETV107X_UART0_BASE	0x08108100
37 #define TNETV107X_UART1_BASE	0x08088400
38 #define TNETV107X_UART2_BASE	0x08108300
39 
40 #define TNETV107X_UART0_VIRT	IOMEM(0xfee08100)
41 #define TNETV107X_UART1_VIRT	IOMEM(0xfed88400)
42 #define TNETV107X_UART2_VIRT	IOMEM(0xfee08300)
43 
44 /* DaVinci UART register offsets */
45 #define UART_DAVINCI_PWREMU		0x0c
46 #define UART_DM646X_SCR			0x10
47 #define UART_DM646X_SCR_TX_WATERMARK	0x08
48 
49 #ifndef __ASSEMBLY__
50 struct davinci_uart_config {
51 	/* Bit field of UARTs present; bit 0 --> UART1 */
52 	unsigned int enabled_uarts;
53 };
54 
55 extern int davinci_serial_init(struct davinci_uart_config *);
56 #endif
57 
58 #endif /* __ASM_ARCH_SERIAL_H */
59