13cf8df97d
Since support for mxc91231 was introduced 2009 it only saw patches that were part of (mxc or arm) global cleanups. The only supported machine only had 4 devices (2x UART, sdhc, watchdog). Cc: Dmitriy Taychenachev <dimichxp@gmail.com> LAKML-Reference: 1302211482-17926-1-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
66 lines
1.5 KiB
ArmAsm
66 lines
1.5 KiB
ArmAsm
/* arch/arm/mach-imx/include/mach/debug-macro.S
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*
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* Debugging macro include header
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*
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* Copyright (C) 1994-1999 Russell King
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <mach/hardware.h>
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#ifdef CONFIG_ARCH_MX1
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#define UART_PADDR MX1_UART1_BASE_ADDR
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#endif
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#ifdef CONFIG_ARCH_MX25
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#ifdef UART_PADDR
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#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
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#endif
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#define UART_PADDR MX25_UART1_BASE_ADDR
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#endif
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#ifdef CONFIG_ARCH_MX2
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#ifdef UART_PADDR
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#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
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#endif
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#define UART_PADDR MX2x_UART1_BASE_ADDR
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#endif
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#ifdef CONFIG_ARCH_MX3
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#ifdef UART_PADDR
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#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
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#endif
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#define UART_PADDR MX3x_UART1_BASE_ADDR
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#endif
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#ifdef CONFIG_ARCH_MX5
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#ifdef UART_PADDR
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#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
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#endif
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#define UART_PADDR MX51_UART1_BASE_ADDR
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#endif
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#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
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.macro addruart, rp, rv
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ldr \rp, =UART_PADDR @ physical
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ldr \rv, =UART_VADDR @ virtual
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #0x40] @ TXDATA
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.endm
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.macro waituart,rd,rx
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.endm
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.macro busyuart,rd,rx
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1002: ldr \rd, [\rx, #0x98] @ SR2
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tst \rd, #1 << 3 @ TXDC
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beq 1002b @ wait until transmit done
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.endm
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