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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 7 Sep 2003 14:51:03 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/dev/uart uart_cpu.h uart_cpu_alpha.c
 uart_cpu_amd64.c uart_cpu_i386.c uart_cpu_ia64.c uart_cpu_pc98.c
 uart_cpu_sparc64.c uart_dev_sab82532.c uart_dev_z8530.c
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marcel      2003/09/07 14:51:03 PDT

  FreeBSD src repository

  Modified files:
    sys/dev/uart         uart_cpu.h uart_cpu_alpha.c 
                         uart_cpu_amd64.c uart_cpu_i386.c 
                         uart_cpu_ia64.c uart_cpu_pc98.c 
                         uart_cpu_sparc64.c uart_dev_sab82532.c 
                         uart_dev_z8530.c 
  Log:
  Remove the assumption that a bus_space_handle_t is an I/O address
  from the SAB82532 and the Z8530 hardware drivers by introducing
  uart_cpu_busaddr(). The assumption is not true on pc98 where
  bus_space_handle_t is a pointer to a structure.
  The uart_cpu_busaddr() function will return the bus address
  corresponding the tag and handle given to it by the BAS.
  
  WARNING: the intend of the function is STRICTLY to allow hardware
  drivers to determine which logical channel they control and is NOT
  to be used for actual I/O. It is therefore EXPLICITLY allowed that
  uart_cpu_busaddr() returns only the lower 8 bits of the address
  and garbage in all other bits. No mistakes...
  
  Revision  Changes    Path
  1.3       +3 -2      src/sys/dev/uart/uart_cpu.h
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_alpha.c
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_amd64.c
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_i386.c
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_ia64.c
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_pc98.c
  1.2       +14 -7     src/sys/dev/uart/uart_cpu_sparc64.c
  1.2       +2 -2      src/sys/dev/uart/uart_dev_sab82532.c
  1.2       +2 -2      src/sys/dev/uart/uart_dev_z8530.c