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Add Dcbz(), Dcbi() and Dcbf() routines for MPC83xx.

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This commit is contained in:
Marian Balakowicz 2006-03-14 16:02:31 +01:00
parent a7c66ad2e5
commit cd94ba397e
3 changed files with 38 additions and 1 deletions
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2
CHANGELOG
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@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4: Changes since U-Boot 1.1.4:
====================================================================== ======================================================================
* Add Dcbz(), Dcbi() and Dcbf() routines for MPC83xx.
* Correct shift offsets in icache_status and dcache_status for MPC83xx. * Correct shift offsets in icache_status and dcache_status for MPC83xx.
* Add support for DS1374 RTC chip. * Add support for DS1374 RTC chip.

34
cpu/mpc83xx/start.S
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@ -836,6 +836,40 @@ get_pvr:
mfspr r3, PVR mfspr r3, PVR
blr blr
/*------------------------------------------------------------------------------- */
/* Function: ppcDcbf */
/* Description: Data Cache block flush */
/* Input: r3 = effective address */
/* Output: none. */
/*------------------------------------------------------------------------------- */
.globl ppcDcbf
ppcDcbf:
dcbf r0,r3
blr
/*------------------------------------------------------------------------------- */
/* Function: ppcDcbi */
/* Description: Data Cache block Invalidate */
/* Input: r3 = effective address */
/* Output: none. */
/*------------------------------------------------------------------------------- */
.globl ppcDcbi
ppcDcbi:
dcbi r0,r3
blr
/*--------------------------------------------------------------------------
* Function: ppcDcbz
* Description: Data Cache block zero.
* Input: r3 = effective address
* Output: none.
*-------------------------------------------------------------------------- */
.globl ppcDcbz
ppcDcbz:
dcbz r0,r3
blr
/*-------------------------------------------------------------------*/ /*-------------------------------------------------------------------*/
/* /*

3
include/common.h
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@ -365,7 +365,8 @@ void trap_init (ulong);
defined (CONFIG_75x) || \ defined (CONFIG_75x) || \
defined (CONFIG_74xx) || \ defined (CONFIG_74xx) || \
defined (CONFIG_MPC8220) || \ defined (CONFIG_MPC8220) || \
defined(CONFIG_MPC85xx) defined (CONFIG_MPC85xx) || \
defined (CONFIG_MPC83XX)
unsigned char in8(unsigned int); unsigned char in8(unsigned int);
void out8(unsigned int, unsigned char); void out8(unsigned int, unsigned char);
unsigned short in16(unsigned int); unsigned short in16(unsigned int);