diff options
author | Tony Prisk <linux@prisktech.co.nz> | 2012-12-28 12:09:18 +1300 |
---|---|---|
committer | Tony Prisk <linux@prisktech.co.nz> | 2013-01-12 15:47:38 +1300 |
commit | b61a27227562d0892aab44b40d0f3b381f91038f (patch) | |
tree | 138b868dec45c9c85835faeb2ed001017ad6e867 /arch/arm/include/debug/vt8500.S | |
parent | 859601e045d165a1f846088776a86006e1c360ad (diff) |
arm: vt8500: Convert debug-macro.S to be multiplatform friendly
This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
arm/include/debug/vt8500.S to provide multiplatform support.
Minor style changes in code for readability.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Diffstat (limited to 'arch/arm/include/debug/vt8500.S')
-rw-r--r-- | arch/arm/include/debug/vt8500.S | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/include/debug/vt8500.S b/arch/arm/include/debug/vt8500.S new file mode 100644 index 00000000000..0e0ca0869da --- /dev/null +++ b/arch/arm/include/debug/vt8500.S @@ -0,0 +1,37 @@ +/* + * Debugging macro include header + * + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S + * Minor changes for readability. + * + * 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 DEBUG_LL_PHYS_BASE 0xD8000000 +#define DEBUG_LL_VIRT_BASE 0xF8000000 +#define DEBUG_LL_UART_OFFSET 0x00200000 + +#if defined(CONFIG_DEBUG_VT8500_UART0) + .macro addruart, rp, rv, tmp + mov \rp, #DEBUG_LL_UART_OFFSET + orr \rv, \rp, #DEBUG_LL_VIRT_BASE + orr \rp, \rp, #DEBUG_LL_PHYS_BASE + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #0] + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x1c] + ands \rd, \rd, #0x2 + bne 1001b + .endm + + .macro waituart,rd,rx + .endm + +#endif |