[xtensa-cvscommit] linux/arch/xtensa/mm mmu.c,1.1.1.1,1.2

[<joe...@us...>]

Update of /cvsroot/xtensa/linux/arch/xtensa/mm
In directory usw-pr-cvs1:/tmp/cvs-serv1903/arch/xtensa/mm

Modified Files:
	mmu.c 
Log Message:


Fix three reset functions: machine_restart(), machine_halt(), and  machine_power_off().  They no longer call xt_panic() to hang the system, but try to do something meaningful in the context of Xtensa and the XT2000 or ISS platforms, as appropriate.


Index: mmu.c
===================================================================
RCS file: /cvsroot/xtensa/linux/arch/xtensa/mm/mmu.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** mmu.c	28 Aug 2002 16:10:14 -0000	1.1.1.1
--- mmu.c	18 Oct 2002 21:57:27 -0000	1.2
***************
*** 21,26 ****
  #include <asm/pgalloc.h>
  
- extern void xt_panic (void);
- 
  
  /*  Called from arch-indep. files:  */
--- 21,24 ----
***************
*** 107,114 ****
  }
  
! 
! void init_mmu (void)
  {
- 
  	/* Writing zeros to the <t>TLBCFG special registers ensure
  	 * that valid values exist in the register.  For existing
--- 105,110 ----
  }
  
! void reset_mmu (void)
  {
  	/* Writing zeros to the <t>TLBCFG special registers ensure
  	 * that valid values exist in the register.  For existing
***************
*** 125,137 ****
  
  	set_rasid_register (ASID_ALL_RESERVED);
  
! 	/*
! 	 *  Set PTEVADDR special register to the start of the page table,
! 	 *  which is in kernel mappable space (ie. not statically mapped).
! 	 *  This register's value is undefined on reset.
! 	 */
  
! 	set_ptevaddr_register (PGTABLE_START);
  
  }
  
--- 121,139 ----
  
  	set_rasid_register (ASID_ALL_RESERVED);
+ }
  
! void init_mmu (void)
! {
! 	/* Flush the mmu and reset associated register to default
! 	 * values. */
  
! 	reset_mmu();
  
+ 	/*  Set PTEVADDR special register to the start of the page
+ 	 *  table, which is in kernel mappable space (ie. not
+ 	 *  statically mapped).  This register's value is undefined on
+ 	 *  reset. */
+ 
+ 	set_ptevaddr_register (PGTABLE_START);
  }