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author | 2013-04-19 22:30:31 +0200 | |
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committer | 2013-04-19 22:50:01 +0200 | |
commit | 1b361942b53c33f38d55065c13785aadb5103a18 (patch) | |
tree | 07b26d32b175f27f18f1fca3d5944a58f89cd17f /arch/arm/mach-spear/include/mach/debug-macro.S | |
parent | Merge tag 'at91-soc' of git://github.com/at91linux/linux-at91 into late/cleanup (diff) | |
parent | ARM: spear: enable spear13xx in multi_v7_defconfig (diff) | |
download | linux-dev-1b361942b53c33f38d55065c13785aadb5103a18.tar.xz linux-dev-1b361942b53c33f38d55065c13785aadb5103a18.zip |
Merge branch 'spear/multiplatform' into late/cleanup
This is a prerequisite for the spear/dwdma series.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-spear/include/mach/debug-macro.S')
-rw-r--r-- | arch/arm/mach-spear/include/mach/debug-macro.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/include/mach/debug-macro.S b/arch/arm/mach-spear/include/mach/debug-macro.S new file mode 100644 index 000000000000..75b05ad0fbad --- /dev/null +++ b/arch/arm/mach-spear/include/mach/debug-macro.S @@ -0,0 +1,36 @@ +/* + * arch/arm/plat-spear/include/plat/debug-macro.S + * + * Debugging macro include header for spear platform + * + * Copyright (C) 2009 ST Microelectronics + * Viresh Kumar <viresh.linux@gmail.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/amba/serial.h> +#include <mach/spear.h> + + .macro addruart, rp, rv, tmp + mov \rp, #SPEAR_DBG_UART_BASE @ Physical base + mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base + .endm + + .macro senduart, rd, rx + strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER + tst \rd, #UART01x_FR_TXFF @ TX_FULL + bne 1001b + .endm + + .macro busyuart, rd, rx +1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER + tst \rd, #UART011_FR_TXFE @ TX_EMPTY + beq 1002b + .endm |