6585dea1f9
* 'next/cross-platform' of git://git.linaro.org/people/arnd/arm-soc: arm/imx: use Kconfig choice for low-level debug UART selection ARM: realview: use Kconfig choice for debug UART selection ARM: plat-samsung: use Kconfig choice for debug UART selection ARM: versatile: convert logical CPU numbers to physical numbers ARM: ux500: convert logical CPU numbers to physical numbers ARM: shmobile: convert logical CPU numbers to physical numbers ARM: msm: convert logical CPU numbers to physical numbers ARM: exynos4: convert logical CPU numbers to physical numbers Fix up trivial conflict (config DEBUG_S3C_UART move/split vs addition of ARM_KPROBES_TEST option) in arch/arm/Kconfig.debug
49 lines
1.3 KiB
ArmAsm
49 lines
1.3 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_DEBUG_IMX1_UART
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#define UART_PADDR MX1_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX25_UART)
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#define UART_PADDR MX25_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
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#define UART_PADDR MX2x_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
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#define UART_PADDR MX3x_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX51_UART)
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#define UART_PADDR MX51_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
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#define UART_PADDR MX53_UART1_BASE_ADDR
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#elif defined (CONFIG_DEBUG_IMX6Q_UART)
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#define UART_PADDR MX6Q_UART4_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, tmp
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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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