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| author | wdenk <wdenk> | 2002-12-07 00:20:59 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2002-12-07 00:20:59 +0000 |
| commit | 7c7a23bd5a0bc149d2edd665ec46381726b24e0c (patch) | |
| tree | d859f82ea2561180db2ffd7569f0b9007d710769 /cpu/mpc824x/drivers/epic/epic1.c | |
| parent | 1f53a41603b9093c59741f4208fef0ab3790d6ce (diff) | |
| download | u-boot-midas-7c7a23bd5a0bc149d2edd665ec46381726b24e0c.tar.gz u-boot-midas-7c7a23bd5a0bc149d2edd665ec46381726b24e0c.tar.bz2 u-boot-midas-7c7a23bd5a0bc149d2edd665ec46381726b24e0c.zip | |
* Patch by Hans-Joerg Frieden, 06 Dec 2002
Fix misc problems with AmigaOne support
* Patch by Chris Hallinan, 3 Dec 2002:
minor cleanup to the MPC8245 EPIC driver
* Patch by Pierre Aubert , 28 Nov 2002
Add support for external (SIU) interrupts on MPC8xx
* Patch by Pierre Aubert , 28 Nov 2002
Fix nested syscalls bug in standalone applications
* Patch by David Müller, 27 Nov 2002:
fix output of "pciinfo" command for CardBus bridge devices.
* Fix bug in TQM8260 board detection - boards got stuck when board ID
was not readable
Diffstat (limited to 'cpu/mpc824x/drivers/epic/epic1.c')
| -rw-r--r-- | cpu/mpc824x/drivers/epic/epic1.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/cpu/mpc824x/drivers/epic/epic1.c b/cpu/mpc824x/drivers/epic/epic1.c index 362e12970d..eb7ed4017d 100644 --- a/cpu/mpc824x/drivers/epic/epic1.c +++ b/cpu/mpc824x/drivers/epic/epic1.c @@ -70,6 +70,10 @@ void epicInit tmp = sysEUMBBARRead(EPIC_GLOBAL_REG); tmp |= 0xa0000000; /* Set the Global Conf. register */ sysEUMBBARWrite(EPIC_GLOBAL_REG, tmp); + /* + * Wait for EPIC to reset - CLH + */ + while( (sysEUMBBARRead(EPIC_GLOBAL_REG) & 0x80000000) == 1); sysEUMBBARWrite(EPIC_GLOBAL_REG, 0x20000000); tmp = sysEUMBBARRead(EPIC_INT_CONF_REG); /* Read interrupt conf. reg */ @@ -81,7 +85,8 @@ void epicInit sysEUMBBARWrite(EPIC_INT_CONF_REG, tmp); } - while (epicIntAck() != 0xff); /* Clear all pending interrupts */ + while (epicIntAck() != 0xff) /* Clear all pending interrupts */ + epicEOI(); } /**************************************************************************** @@ -92,18 +97,18 @@ void epicInit * * RETURNS: None */ -void epicIntEnable - ( - int intVec /* Interrupt Vector Number */ - ) - { +void epicIntEnable(int intVec) +{ ULONG tmp; ULONG srAddr; srAddr = SrcVecTable[intVec].srcAddr; /* Retrieve src Vec/Prio register */ tmp = sysEUMBBARRead(srAddr); - tmp &= 0x7fffffff; /* Clear the mask bit */ + tmp &= ~EPIC_VEC_PRI_MASK; /* Clear the mask bit */ + tmp |= (EPIC_VEC_PRI_DFLT_PRI << 16); /* Set priority to Default - CLH */ + tmp |= intVec; /* Set Vector number */ sysEUMBBARWrite(srAddr, tmp); + return; } |