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Diffstat (limited to '')
| -rw-r--r-- | arch/arm/include/debug/clps711x.S | 37 |
1 files changed, 37 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..a983d12a6 --- /dev/null +++ b/arch/arm/include/debug/clps711x.S @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> + */ + +#ifndef CONFIG_DEBUG_CLPS711X_UART2 +#define CLPS711X_UART_PADDR (0x80000000 + 0x0000) +#define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000) +#else +#define CLPS711X_UART_PADDR (0x80000000 + 0x1000) +#define CLPS711X_UART_VADDR (0xfeff4000 + 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 waituartcts,rd,rx + .endm + + .macro waituarttxrdy,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 |