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Linux/arch/arm/include/debug/clps711x.S

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Diff markup

Differences between /arch/arm/include/debug/clps711x.S (Architecture ppc) and /arch/mips/include/debug/clps711x.S (Architecture mips)


  1 /* SPDX-License-Identifier: GPL-2.0-or-later *    
  2 /*                                                
  3  * Copyright (C) 2014 Alexander Shiyan <shc_wor    
  4  */                                               
  5                                                   
  6 #ifndef CONFIG_DEBUG_CLPS711X_UART2               
  7 #define CLPS711X_UART_PADDR     (0x80000000 +     
  8 #define CLPS711X_UART_VADDR     (0xfeff4000 +     
  9 #else                                             
 10 #define CLPS711X_UART_PADDR     (0x80000000 +     
 11 #define CLPS711X_UART_VADDR     (0xfeff4000 +     
 12 #endif                                            
 13                                                   
 14 #define SYSFLG          (0x0140)                  
 15 #define SYSFLG_UBUSY    (1 << 11)                 
 16 #define UARTDR          (0x0480)                  
 17                                                   
 18         .macro  addruart, rp, rv, tmp             
 19         ldr     \rv, =CLPS711X_UART_VADDR         
 20         ldr     \rp, =CLPS711X_UART_PADDR         
 21         .endm                                     
 22                                                   
 23         .macro  waituartcts,rd,rx                 
 24         .endm                                     
 25                                                   
 26         .macro  waituarttxrdy,rd,rx               
 27         .endm                                     
 28                                                   
 29         .macro  senduart,rd,rx                    
 30         str     \rd, [\rx, #UARTDR]               
 31         .endm                                     
 32                                                   
 33         .macro  busyuart,rd,rx                    
 34 1001:   ldr     \rd, [\rx, #SYSFLG]               
 35         tst     \rd, #SYSFLG_UBUSY                
 36         bne     1001b                             
 37         .endm                                     
                                                      

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