From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/arm/include/debug/clps711x.S | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/arm/include/debug/clps711x.S (limited to 'arch/arm/include/debug/clps711x.S') diff --git a/arch/arm/include/debug/clps711x.S b/arch/arm/include/debug/clps711x.S new file mode 100644 index 000000000..c17ac5c9e --- /dev/null +++ b/arch/arm/include/debug/clps711x.S @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2014 Alexander Shiyan + * + * 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 (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 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 -- cgit v1.2.3