| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 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 | |
| Cyril Chemparathy | dc2eb76 | 2010-05-18 12:51:17 -0400 | [diff] [blame^] | 14 | #include <asm/memory.h> |
| 15 | |
| Hemant Pedanekar | 9eb7115 | 2009-06-24 10:15:47 +0530 | [diff] [blame] | 16 | #include <mach/hardware.h> |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 17 | |
| Cyril Chemparathy | dc2eb76 | 2010-05-18 12:51:17 -0400 | [diff] [blame^] | 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 | */ |
| 25 | #define DAVINCI_UART_INFO (PHYS_OFFSET + 0x3ff8) |
| 26 | |
| Kevin Hilman | 617b925 | 2009-04-14 08:04:26 -0500 | [diff] [blame] | 27 | #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) |
| 28 | #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) |
| 29 | #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) |
| 30 | |
| Mark A. Greer | 55c79a4 | 2009-06-03 18:36:54 -0700 | [diff] [blame] | 31 | #define DA8XX_UART0_BASE (IO_PHYS + 0x042000) |
| 32 | #define DA8XX_UART1_BASE (IO_PHYS + 0x10c000) |
| 33 | #define DA8XX_UART2_BASE (IO_PHYS + 0x10d000) |
| 34 | |
| Kevin Hilman | 617b925 | 2009-04-14 08:04:26 -0500 | [diff] [blame] | 35 | /* DaVinci UART register offsets */ |
| 36 | #define UART_DAVINCI_PWREMU 0x0c |
| 37 | #define UART_DM646X_SCR 0x10 |
| 38 | #define UART_DM646X_SCR_TX_WATERMARK 0x08 |
| 39 | |
| Cyril Chemparathy | dc2eb76 | 2010-05-18 12:51:17 -0400 | [diff] [blame^] | 40 | #ifndef __ASSEMBLY__ |
| Kevin Hilman | 617b925 | 2009-04-14 08:04:26 -0500 | [diff] [blame] | 41 | struct davinci_uart_config { |
| 42 | /* Bit field of UARTs present; bit 0 --> UART1 */ |
| 43 | unsigned int enabled_uarts; |
| 44 | }; |
| 45 | |
| Mark A. Greer | 65e866a | 2009-03-18 12:36:08 -0500 | [diff] [blame] | 46 | extern int davinci_serial_init(struct davinci_uart_config *); |
| Cyril Chemparathy | dc2eb76 | 2010-05-18 12:51:17 -0400 | [diff] [blame^] | 47 | #endif |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 48 | |
| 49 | #endif /* __ASM_ARCH_SERIAL_H */ |