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etheriwl: implement 4965 firmware bootstrap (untested)

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This commit is contained in:
cinap_lenrek 2013-02-10 01:26:28 +01:00
parent 6ffe4e58b3
commit 97d136fb21
1 changed files with 103 additions and 9 deletions
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112
sys/src/9/pc/etheriwl.c
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@ -897,6 +897,108 @@ loadfirmware1(Ctlr *ctlr, u32int dst, uchar *data, int size)
return 0;
}
static char*
bootfirmware(Ctlr *ctlr)
{
int i, n, size;
uchar *p, *dma;
FWImage *fw;
char *err;
dma = nil;
fw = ctlr->fw;
if(fw->boot.text.size == 0){
if((err = loadfirmware1(ctlr, 0x00000000, fw->main.text.data, fw->main.text.size)) != nil)
return err;
if((err = loadfirmware1(ctlr, 0x00800000, fw->main.data.data, fw->main.data.size)) != nil)
return err;
goto bootmain;
}
size = ROUND(fw->init.data.size, 16) + ROUND(fw->init.text.size, 16);
dma = mallocalign(size, 16, 0, 0);
if(dma == nil)
return "no memory for dma";
if((err = niclock(ctlr)) != nil){
free(dma);
return err;
}
p = dma;
memmove(p, fw->init.data.data, fw->init.data.size);
coherence();
prphwrite(ctlr, BsmDramDataAddr, PCIWADDR(p) >> 4);
prphwrite(ctlr, BsmDramDataSize, fw->init.data.size);
p += ROUND(fw->init.data.size, 16);
memmove(p, fw->init.text.data, fw->init.text.size);
coherence();
prphwrite(ctlr, BsmDramTextAddr, PCIWADDR(p) >> 4);
prphwrite(ctlr, BsmDramTextSize, fw->init.text.size);
p = fw->boot.text.data;
n = fw->boot.text.size/4;
for(i=0; i<n; i++, p += 4)
prphwrite(ctlr, BsmSramBase+i*4, get32(p));
prphwrite(ctlr, BsmWrMemSrc, 0);
prphwrite(ctlr, BsmWrMemDst, 0);
prphwrite(ctlr, BsmWrDwCount, n);
prphwrite(ctlr, BsmWrCtrl, 1<<31);
for(i=0; i<1000; i++){
if((prphread(ctlr, BsmWrCtrl) & (1<<31)) == 0)
break;
delay(10);
}
if(i == 1000){
nicunlock(ctlr);
free(dma);
return "bootfirmware: bootcode timeout";
}
prphwrite(ctlr, BsmWrCtrl, 1<<30);
nicunlock(ctlr);
csr32w(ctlr, Reset, 0);
if(irqwait(ctlr, Ierr|Ialive, 5000) != Ialive){
free(dma);
return "init firmware boot failed";
}
free(dma);
size = ROUND(fw->main.data.size, 16) + ROUND(fw->main.text.size, 16);
dma = mallocalign(size, 16, 0, 0);
if(dma == nil)
return "no memory for dma";
if((err = niclock(ctlr)) != nil){
free(dma);
return err;
}
p = dma;
memmove(p, fw->main.data.data, fw->main.data.size);
coherence();
prphwrite(ctlr, BsmDramDataAddr, PCIWADDR(p) >> 4);
prphwrite(ctlr, BsmDramDataSize, fw->main.data.size);
p += ROUND(fw->main.data.size, 16);
memmove(p, fw->main.text.data, fw->main.text.size);
coherence();
prphwrite(ctlr, BsmDramTextAddr, PCIWADDR(p) >> 4);
prphwrite(ctlr, BsmDramTextSize, fw->main.text.size | (1<<31));
nicunlock(ctlr);
bootmain:
csr32w(ctlr, Reset, 0);
if(irqwait(ctlr, Ierr|Ialive, 5000) != Ialive){
free(dma);
return "main firmware boot failed";
}
free(dma);
return nil;
}
static int
txqready(void *arg)
{
@ -1423,15 +1525,7 @@ iwlattach(Ether *edev)
if(ctlr->type >= Type6000)
csr32w(ctlr, ShadowRegCtrl, csr32r(ctlr, ShadowRegCtrl) | 0x800fffff);
if((err = loadfirmware1(ctlr, 0x00000000, ctlr->fw->main.text.data, ctlr->fw->main.text.size)) != nil)
error(err);
if((err = loadfirmware1(ctlr, 0x00800000, ctlr->fw->main.data.data, ctlr->fw->main.data.size)) != nil)
error(err);
csr32w(ctlr, Reset, 0);
if(irqwait(ctlr, Ierr|Ialive, 5000) != Ialive)
error("firmware boot failed");
bootfirmware(ctlr);
postboot(ctlr);
setoptions(edev);