/* arch/arm/include/debug/sa1100.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 UTCR3 0x0c #define UTDR 0x14 #define UTSR1 0x20 #define UTCR3_TXE 0x00000002 /* Transmit Enable */ #define UTSR1_TBY 0x00000001 /* Transmitter BusY (read) */ #define UTSR1_TNF 0x00000004 /* Transmit FIFO Not Full (read) */ .macro addruart, rp, rv, tmp mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? moveq \rp, #0x80000000 @ physical base address movne \rp, #0xf8000000 @ virtual address @ We probe for the active serial port here, coherently with @ the comment in arch/arm/mach-sa1100/include/mach/uncompress.h. @ We assume r1 can be clobbered. @ see if Ser3 is active add \rp, \rp, #0x00050000 ldr \rv, [\rp, #UTCR3] tst \rv, #UTCR3_TXE @ if Ser3 is inactive, then try Ser1 addeq \rp, \rp, #(0x00010000 - 0x00050000) ldreq \rv, [\rp, #UTCR3] tsteq \rv, #UTCR3_TXE @ if Ser1 is inactive, then try Ser2 addeq \rp, \rp, #(0x00030000 - 0x00010000) ldreq \rv, [\rp, #UTCR3] tsteq \rv, #UTCR3_TXE @ clear top bits, and generate both phys and virt addresses lsl \rp, \rp, #8 lsr \rp, \rp, #8 orr \rv, \rp, #0xf8000000 @ virtual orr \rp, \rp, #0x80000000 @ physical .endm .macro senduart,rd,rx str \rd, [\rx, #UTDR] .endm .macro waituart,rd,rx 1001: ldr \rd, [\rx, #UTSR1] tst \rd, #UTSR1_TNF beq 1001b .endm .macro busyuart,rd,rx 1001: ldr \rd, [\rx, #UTSR1] tst \rd, #UTSR1_TBY bne 1001b .endm
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asm9260.S | File | 753 B | 0644 |
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at91.S | File | 1.12 KB | 0644 |
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bcm63xx.S | File | 748 B | 0644 |
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clps711x.S | File | 935 B | 0644 |
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dc21285.S | File | 950 B | 0644 |
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digicolor.S | File | 756 B | 0644 |
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efm32.S | File | 1.05 KB | 0644 |
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exynos.S | File | 1.29 KB | 0644 |
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icedcc.S | File | 1.47 KB | 0644 |
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imx-uart.h | File | 5.44 KB | 0644 |
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imx.S | File | 1.28 KB | 0644 |
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ks8695.S | File | 1.08 KB | 0644 |
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meson.S | File | 878 B | 0644 |
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msm.S | File | 1.38 KB | 0644 |
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netx.S | File | 795 B | 0644 |
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omap2plus.S | File | 2.15 KB | 0644 |
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palmchip.S | File | 199 B | 0644 |
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pl01x.S | File | 1004 B | 0644 |
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renesas-scif.S | File | 1.03 KB | 0644 |
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s3c24xx.S | File | 1.19 KB | 0644 |
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s5pv210.S | File | 1.01 KB | 0644 |
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sa1100.S | File | 1.75 KB | 0644 |
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samsung.S | File | 2.02 KB | 0644 |
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sirf.S | File | 824 B | 0644 |
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sti.S | File | 1.73 KB | 0644 |
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tegra.S | File | 6.74 KB | 0644 |
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uncompress.h | File | 222 B | 0644 |
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ux500.S | File | 1.44 KB | 0644 |
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vexpress.S | File | 1.33 KB | 0644 |
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vf.S | File | 1.01 KB | 0644 |
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vt8500.S | File | 881 B | 0644 |
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zynq.S | File | 1.61 KB | 0644 |
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