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https://github.com/torvalds/linux
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7356420cd3
Only mx508 based board is mach-mx50_rdp and it has been marked as BROKEN for several releases. mx508 currently lacks clock support. In case someone needs to add mx508 support back, then the recommended approach is to use device tree. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
75 lines
2.2 KiB
ArmAsm
75 lines
2.2 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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#define IMX6Q_UART1_BASE_ADDR 0x02020000
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#define IMX6Q_UART2_BASE_ADDR 0x021e8000
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#define IMX6Q_UART3_BASE_ADDR 0x021ec000
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#define IMX6Q_UART4_BASE_ADDR 0x021f0000
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#define IMX6Q_UART5_BASE_ADDR 0x021f4000
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/*
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* IMX6Q_UART_BASE_ADDR is put in the middle to force the expansion
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* of IMX6Q_UART##n##_BASE_ADDR.
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*/
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#define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
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#define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n)
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#define IMX6Q_DEBUG_UART_BASE IMX6Q_UART_BASE(CONFIG_DEBUG_IMX6Q_UART_PORT)
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#ifdef CONFIG_DEBUG_IMX1_UART
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#define UART_PADDR 0x00206000
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#elif defined (CONFIG_DEBUG_IMX25_UART)
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#define UART_PADDR 0x43f90000
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#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
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#define UART_PADDR 0x1000a000
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#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
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#define UART_PADDR 0x43f90000
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#elif defined (CONFIG_DEBUG_IMX51_UART)
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#define UART_PADDR 0x73fbc000
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#elif defined (CONFIG_DEBUG_IMX53_UART)
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#define UART_PADDR 0x53fbc000
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#elif defined (CONFIG_DEBUG_IMX6Q_UART)
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#define UART_PADDR IMX6Q_DEBUG_UART_BASE
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#endif
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/*
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* FIXME: This is a copy of IMX_IO_P2V in hardware.h, and needs to
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* stay sync with that. It's hard to maintain, and should be fixed
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* globally for multi-platform build to use a fixed virtual address
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* for low-level debug uart port across platforms.
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*/
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#define IMX_IO_P2V(x) ( \
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(((x) & 0x80000000) >> 7) | \
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(0xf4000000 + \
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(((x) & 0x50000000) >> 6) + \
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(((x) & 0x0b000000) >> 4) + \
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(((x) & 0x000fffff))))
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#define UART_VADDR IMX_IO_P2V(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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