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- /* 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.
- *
- */
- #include <mach/hardware.h>
- #ifdef CONFIG_ARCH_MX1
- #define UART_PADDR MX1_UART1_BASE_ADDR
- #endif
- #ifdef CONFIG_ARCH_MX25
- #ifdef UART_PADDR
- #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
- #endif
- #define UART_PADDR MX25_UART1_BASE_ADDR
- #endif
- #ifdef CONFIG_ARCH_MX2
- #ifdef UART_PADDR
- #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
- #endif
- #define UART_PADDR MX2x_UART1_BASE_ADDR
- #endif
- #ifdef CONFIG_ARCH_MX3
- #ifdef UART_PADDR
- #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
- #endif
- #define UART_PADDR MX3x_UART1_BASE_ADDR
- #endif
- #ifdef CONFIG_ARCH_MX5
- #ifdef UART_PADDR
- #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
- #endif
- #define UART_PADDR MX51_UART1_BASE_ADDR
- #endif
- #ifdef CONFIG_ARCH_MXC91231
- #ifdef UART_PADDR
- #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
- #endif
- #define UART_PADDR MXC91231_UART2_BASE_ADDR
- #endif
- #define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
- .macro addruart, rp, rv
- ldr \rp, =UART_PADDR @ physical
- ldr \rv, =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
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