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Linux/arch/arm/include/debug/pl01x.S

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Diff markup

Differences between /arch/arm/include/debug/pl01x.S (Architecture sparc) and /arch/m68k/include/debug/pl01x.S (Architecture m68k)

  1 /* SPDX-License-Identifier: GPL-2.0-only */       
  2 /* arch/arm/include/debug/pl01x.S                 
  3  *                                                
  4  * Debugging macro include header                 
  5  *                                                
  6  *  Copyright (C) 1994-1999 Russell King          
  7  *  Moved from linux/arch/arm/kernel/debug.S b    
  8 */                                                
  9 #include <linux/amba/serial.h>                    
 10                                                   
 11 #ifdef CONFIG_DEBUG_UART_PHYS                     
 12                 .macro  addruart, rp, rv, tmp     
 13                 ldr     \rp, =CONFIG_DEBUG_UAR    
 14                 ldr     \rv, =CONFIG_DEBUG_UAR    
 15                 .endm                             
 16 #endif                                            
 17                                                   
 18                 .macro  senduart,rd,rx            
 19                 strb    \rd, [\rx, #UART01x_DR    
 20                 .endm                             
 21                                                   
 22                 .macro  waituartcts,rd,rx         
 23                 .endm                             
 24                                                   
 25                 .macro  waituarttxrdy,rd,rx       
 26 1001:           ldr     \rd, [\rx, #UART01x_FR    
 27  ARM_BE8(       rev     \rd, \rd )                
 28                 tst     \rd, #UART01x_FR_TXFF     
 29                 bne     1001b                     
 30                 .endm                             
 31                                                   
 32                 .macro  busyuart,rd,rx            
 33 1001:           ldr     \rd, [\rx, #UART01x_FR    
 34  ARM_BE8(       rev     \rd, \rd )                
 35                 tst     \rd, #UART01x_FR_BUSY     
 36                 bne     1001b                     
 37                 .endm
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