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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/include/debug/clps711x.S | |
Initial import
Diffstat (limited to 'arch/arm/include/debug/clps711x.S')
| -rw-r--r-- | arch/arm/include/debug/clps711x.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/debug/clps711x.S b/arch/arm/include/debug/clps711x.S new file mode 100644 index 000000000..abe225436 --- /dev/null +++ b/arch/arm/include/debug/clps711x.S @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef CONFIG_DEBUG_CLPS711X_UART2 +#define CLPS711X_UART_PADDR (0x80000000 + 0x0000) +#define CLPS711X_UART_VADDR (0xfeff0000 + 0x0000) +#else +#define CLPS711X_UART_PADDR (0x80000000 + 0x1000) +#define CLPS711X_UART_VADDR (0xfeff0000 + 0x1000) +#endif + +#define SYSFLG (0x0140) +#define SYSFLG_UBUSY (1 << 11) +#define UARTDR (0x0480) + + .macro addruart, rp, rv, tmp + ldr \rv, =CLPS711X_UART_VADDR + ldr \rp, =CLPS711X_UART_PADDR + .endm + + .macro waituart,rd,rx + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #UARTDR] + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #SYSFLG] + tst \rd, #SYSFLG_UBUSY + bne 1001b + .endm |