4f2c49fedf
This way we don't have conflicts with the defines with compiling in multiple omaps. Set the addresses for uarts in struct omap_globals for the early serial init code. Signed-off-by: Tony Lindgren <tony@atomide.com>
58 lines
1.4 KiB
ArmAsm
58 lines
1.4 KiB
ArmAsm
/* arch/arm/mach-omap2/include/mach/debug-macro.S
|
|
*
|
|
* Debugging macro include header
|
|
*
|
|
* Copyright (C) 1994-1999 Russell King
|
|
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
|
|
*
|
|
* 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>
|
|
|
|
#include <plat/serial.h>
|
|
|
|
.macro addruart, rx, tmp
|
|
mrc p15, 0, \rx, c1, c0
|
|
tst \rx, #1 @ MMU enabled?
|
|
#ifdef CONFIG_ARCH_OMAP2
|
|
moveq \rx, #0x48000000 @ physical base address
|
|
movne \rx, #0xfa000000 @ virtual base
|
|
orr \rx, \rx, #0x0006a000
|
|
#ifdef CONFIG_OMAP_LL_DEBUG_UART2
|
|
add \rx, \rx, #0x00002000 @ UART 2
|
|
#endif
|
|
#ifdef CONFIG_OMAP_LL_DEBUG_UART3
|
|
add \rx, \rx, #0x00004000 @ UART 3
|
|
#endif
|
|
|
|
#elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
|
|
moveq \rx, #0x48000000 @ physical base address
|
|
movne \rx, #0xfa000000 @ virtual base
|
|
orr \rx, \rx, #0x0006a000
|
|
#ifdef CONFIG_OMAP_LL_DEBUG_UART2
|
|
add \rx, \rx, #0x00002000 @ UART 2
|
|
#endif
|
|
#ifdef CONFIG_OMAP_LL_DEBUG_UART3
|
|
add \rx, \rx, #0x00fb0000 @ UART 3
|
|
add \rx, \rx, #0x00006000
|
|
#endif
|
|
#endif
|
|
.endm
|
|
|
|
.macro senduart,rd,rx
|
|
strb \rd, [\rx]
|
|
.endm
|
|
|
|
.macro busyuart,rd,rx
|
|
1001: ldrb \rd, [\rx, #(UART_LSR << OMAP_PORT_SHIFT)]
|
|
and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
|
|
teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
|
|
bne 1001b
|
|
.endm
|
|
|
|
.macro waituart,rd,rx
|
|
.endm
|