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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/include/debug/vt8500.S | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 000000000..d01094fdb --- /dev/null +++ b/arch/arm/include/debug/vt8500.S @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * 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. + */ + +#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 waituartcts,rd,rx + .endm + + .macro waituarttxrdy,rd,rx + .endm + +#endif |