diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-07-07 19:05:49 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-08-25 20:11:09 +0400 |
| commit | f2acf003cd399994172a5ec342b47741841746f1 (patch) | |
| tree | fda1158862098c1ad8cfaa1fa7cc7aedc0aa7bf2 /arch/arm/include | |
| parent | 99166883376e40717d11c98ddcb724ab966de0b6 (diff) | |
| download | linux-f2acf003cd399994172a5ec342b47741841746f1.tar.xz | |
ARM: debug: move keystone debug to generic 8250 code
Keystone's debugging is just a copy of the old 8250_32 code with a
different base address. Incorporate this into the generic 8250
debug code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/debug/keystone.S | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/arm/include/debug/keystone.S b/arch/arm/include/debug/keystone.S deleted file mode 100644 index 9aef9ba3f4f0..000000000000 --- a/arch/arm/include/debug/keystone.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Early serial debug output macro for Keystone SOCs - * - * Copyright 2013 Texas Instruments, Inc. - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * - * Based on RMKs low level debug code. - * Copyright (C) 1994-1999 Russell King - * - * 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. - */ - -#include <linux/serial_reg.h> - -#define UART_SHIFT 2 -#if defined(CONFIG_DEBUG_KEYSTONE_UART0) -#define UART_PHYS 0x02530c00 -#define UART_VIRT 0xfeb30c00 -#elif defined(CONFIG_DEBUG_KEYSTONE_UART1) -#define UART_PHYS 0x02531000 -#define UART_VIRT 0xfeb31000 -#endif - - .macro addruart, rp, rv, tmp - ldr \rv, =UART_VIRT @ physical base address - ldr \rp, =UART_PHYS @ virtual base address - .endm - - .macro senduart,rd,rx - str \rd, [\rx, #UART_TX << UART_SHIFT] - .endm - - .macro busyuart,rd,rx -1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT] - and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE - teq \rd, #UART_LSR_TEMT | UART_LSR_THRE - bne 1002b - .endm - - .macro waituart,rd,rx - .endm |