diff options
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/serial.h')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/serial.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h new file mode 100644 index 00000000..c9e6ce18 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -0,0 +1,57 @@ +/* + * DaVinci serial device definitions + * + * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_ARCH_SERIAL_H +#define __ASM_ARCH_SERIAL_H + +#include <asm/memory.h> + +#include <mach/hardware.h> + +/* + * Stolen area that contains debug uart physical and virtual addresses. These + * addresses are filled in by the uncompress.h code, and are used by the debug + * macros in debug-macro.S. + * + * This area sits just below the page tables (see arch/arm/kernel/head.S). + */ +#define DAVINCI_UART_INFO (PLAT_PHYS_OFFSET + 0x3ff8) + +#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) +#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) +#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) + +#define DA8XX_UART0_BASE (IO_PHYS + 0x042000) +#define DA8XX_UART1_BASE (IO_PHYS + 0x10c000) +#define DA8XX_UART2_BASE (IO_PHYS + 0x10d000) + +#define TNETV107X_UART0_BASE 0x08108100 +#define TNETV107X_UART1_BASE 0x08088400 +#define TNETV107X_UART2_BASE 0x08108300 + +#define TNETV107X_UART0_VIRT IOMEM(0xfee08100) +#define TNETV107X_UART1_VIRT IOMEM(0xfed88400) +#define TNETV107X_UART2_VIRT IOMEM(0xfee08300) + +/* DaVinci UART register offsets */ +#define UART_DAVINCI_PWREMU 0x0c +#define UART_DM646X_SCR 0x10 +#define UART_DM646X_SCR_TX_WATERMARK 0x08 + +#ifndef __ASSEMBLY__ +struct davinci_uart_config { + /* Bit field of UARTs present; bit 0 --> UART1 */ + unsigned int enabled_uarts; +}; + +extern int davinci_serial_init(struct davinci_uart_config *); +#endif + +#endif /* __ASM_ARCH_SERIAL_H */ |