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| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/arm/include/debug/meson.S | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/arm/include/debug/meson.S')
| -rw-r--r-- | kernel/arch/arm/include/debug/meson.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/arch/arm/include/debug/meson.S b/kernel/arch/arm/include/debug/meson.S new file mode 100644 index 000000000..1bae99bf6 --- /dev/null +++ b/kernel/arch/arm/include/debug/meson.S @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2014 Carlo Caione + * Carlo Caione <carlo@caione.org> + * + * 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 MESON_AO_UART_WFIFO 0x0 +#define MESON_AO_UART_STATUS 0xc + +#define MESON_AO_UART_TX_FIFO_EMPTY (1 << 22) +#define MESON_AO_UART_TX_FIFO_FULL (1 << 21) + + .macro addruart, rp, rv, tmp + ldr \rp, =(CONFIG_DEBUG_UART_PHYS) @ physical + ldr \rv, =(CONFIG_DEBUG_UART_VIRT) @ virtual + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #MESON_AO_UART_WFIFO] + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #MESON_AO_UART_STATUS] + tst \rd, #MESON_AO_UART_TX_FIFO_EMPTY + beq 1002b + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #MESON_AO_UART_STATUS] + tst \rd, #MESON_AO_UART_TX_FIFO_FULL + bne 1001b + .endm |