| /* arch/arm/mach-imx/include/mach/debug-macro.S |
| * |
| * Debugging macro include header |
| * |
| * Copyright (C) 1994-1999 Russell King |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| #define IMX_NEEDS_DEPRECATED_SYMBOLS |
| |
| #ifdef CONFIG_ARCH_MX1 |
| #include <mach/mx1.h> |
| #define UART_PADDR UART1_BASE_ADDR |
| #define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR) |
| #endif |
| |
| #ifdef CONFIG_ARCH_MX25 |
| #ifdef UART_PADDR |
| #error "CONFIG_DEBUG_LL is incompatible with multiple archs" |
| #endif |
| #include <mach/mx25.h> |
| #define UART_PADDR UART1_BASE_ADDR |
| #define UART_VADDR MX25_AIPS1_IO_ADDRESS(UART1_BASE_ADDR) |
| #endif |
| |
| #ifdef CONFIG_ARCH_MX2 |
| #ifdef UART_PADDR |
| #error "CONFIG_DEBUG_LL is incompatible with multiple archs" |
| #endif |
| #include <mach/mx2x.h> |
| #define UART_PADDR UART1_BASE_ADDR |
| #define UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR) |
| #endif |
| |
| #ifdef CONFIG_ARCH_MX3 |
| #ifdef UART_PADDR |
| #error "CONFIG_DEBUG_LL is incompatible with multiple archs" |
| #endif |
| #include <mach/mx3x.h> |
| #define UART_PADDR UART1_BASE_ADDR |
| #define UART_VADDR AIPS1_IO_ADDRESS(UART1_BASE_ADDR) |
| #endif |
| |
| #ifdef CONFIG_ARCH_MX5 |
| #ifdef UART_PADDR |
| #error "CONFIG_DEBUG_LL is incompatible with multiple archs" |
| #endif |
| #include <mach/mx51.h> |
| #define UART_PADDR MX51_UART1_BASE_ADDR |
| #define UART_VADDR MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR) |
| #endif |
| |
| #ifdef CONFIG_ARCH_MXC91231 |
| #ifdef UART_PADDR |
| #error "CONFIG_DEBUG_LL is incompatible with multiple archs" |
| #endif |
| #include <mach/mxc91231.h> |
| #define UART_PADDR MXC91231_UART2_BASE_ADDR |
| #define UART_VADDR MXC91231_IO_ADDRESS(MXC91231_UART2_BASE_ADDR) |
| #endif |
| .macro addruart, rx, tmp |
| mrc p15, 0, \rx, c1, c0 |
| tst \rx, #1 @ MMU enabled? |
| ldreq \rx, =UART_PADDR @ physical |
| ldrne \rx, =UART_VADDR @ virtual |
| .endm |
| |
| .macro senduart,rd,rx |
| str \rd, [\rx, #0x40] @ TXDATA |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1002: ldr \rd, [\rx, #0x98] @ SR2 |
| tst \rd, #1 << 3 @ TXDC |
| beq 1002b @ wait until transmit done |
| .endm |
