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Add support for the PC87303 chipset (found on Miata alphas) and add

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support for relocating the port address if the isa hints specify a
different address from the address the chipset currently has.

Submitted by: Andrew M. Miklic <miklic@ibm.net>
This commit is contained in:
Doug Rabson 2000-07-20 09:28:07 +00:00
parent 795cf8bb96
commit ac7ba92669
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=63624
4 changed files with 94 additions and 12 deletions
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52
sys/dev/ppc/ppc.c
View File

@ -113,7 +113,7 @@ static driver_t ppc_driver = {
static char *ppc_models[] = {
"SMC-like", "SMC FDC37C665GT", "SMC FDC37C666GT", "PC87332", "PC87306",
"82091AA", "Generic", "W83877F", "W83877AF", "Winbond", "PC87334",
"SMC FDC37C935", 0
"SMC FDC37C935", "PC87303", 0
};
/* list of available modes */
@ -462,6 +462,7 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
* 01010xxx PC87334
* 0001xxxx PC87332
* 01110xxx PC87306
* 00110xxx PC87303
*/
outb(idport, PC873_SID);
val = inb(idport + 1);
@ -471,6 +472,10 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
ppc->ppc_model = NS_PC87306;
} else if ((val & 0xf8) == 0x50) {
ppc->ppc_model = NS_PC87334;
} else if ((val & 0xf8) == 0x40) { /* Should be 0x30 by the
documentation, but probing
yielded 0x40... */
ppc->ppc_model = NS_PC87303;
} else {
if (bootverbose && (val != 0xff))
printf("PC873xx probe at 0x%x got unknown ID 0x%x\n", idport, val);
@ -499,12 +504,47 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
continue;
}
outb(idport, PC873_FAR);
val = inb(idport + 1) & 0x3;
val = inb(idport + 1);
/* XXX we should create a driver instance for every port found */
if (pc873xx_porttab[val] != ppc->ppc_base) {
if (bootverbose)
printf("PC873xx at 0x%x not for driver at port 0x%x\n",
pc873xx_porttab[val], ppc->ppc_base);
if (pc873xx_porttab[val & 0x3] != ppc->ppc_base) {
/* First try to change the port address to that requested... */
switch(ppc->ppc_base) {
case 0x378:
val &= 0xfc;
break;
case 0x3bc:
val &= 0xfd;
break;
case 0x278:
val &= 0xfe;
break;
default:
val &= 0xfd;
break;
}
outb(idport, PC873_FAR);
outb(idport + 1, val);
outb(idport + 1, val);
/* Check for success by reading back the value we supposedly
wrote and comparing...*/
outb(idport, PC873_FAR);
val = inb(idport + 1) & 0x3;
/* If we fail, report the failure... */
if (pc873xx_porttab[val] != ppc->ppc_base) {
if (bootverbose)
printf("PC873xx at 0x%x not for driver at port 0x%x\n",
pc873xx_porttab[val], ppc->ppc_base);
}
continue;
}

1
sys/dev/ppc/ppcreg.h
View File

@ -44,6 +44,7 @@
#define WINB_UNKNOWN 9
#define NS_PC87334 10
#define SMC_37C935 11
#define NS_PC87303 12
/*
* Parallel Port Chipset Type. SMC versus GENERIC (others)

52
sys/isa/ppc.c
View File

@ -113,7 +113,7 @@ static driver_t ppc_driver = {
static char *ppc_models[] = {
"SMC-like", "SMC FDC37C665GT", "SMC FDC37C666GT", "PC87332", "PC87306",
"82091AA", "Generic", "W83877F", "W83877AF", "Winbond", "PC87334",
"SMC FDC37C935", 0
"SMC FDC37C935", "PC87303", 0
};
/* list of available modes */
@ -462,6 +462,7 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
* 01010xxx PC87334
* 0001xxxx PC87332
* 01110xxx PC87306
* 00110xxx PC87303
*/
outb(idport, PC873_SID);
val = inb(idport + 1);
@ -471,6 +472,10 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
ppc->ppc_model = NS_PC87306;
} else if ((val & 0xf8) == 0x50) {
ppc->ppc_model = NS_PC87334;
} else if ((val & 0xf8) == 0x40) { /* Should be 0x30 by the
documentation, but probing
yielded 0x40... */
ppc->ppc_model = NS_PC87303;
} else {
if (bootverbose && (val != 0xff))
printf("PC873xx probe at 0x%x got unknown ID 0x%x\n", idport, val);
@ -499,12 +504,47 @@ ppc_pc873xx_detect(struct ppc_data *ppc, int chipset_mode) /* XXX mode never for
continue;
}
outb(idport, PC873_FAR);
val = inb(idport + 1) & 0x3;
val = inb(idport + 1);
/* XXX we should create a driver instance for every port found */
if (pc873xx_porttab[val] != ppc->ppc_base) {
if (bootverbose)
printf("PC873xx at 0x%x not for driver at port 0x%x\n",
pc873xx_porttab[val], ppc->ppc_base);
if (pc873xx_porttab[val & 0x3] != ppc->ppc_base) {
/* First try to change the port address to that requested... */
switch(ppc->ppc_base) {
case 0x378:
val &= 0xfc;
break;
case 0x3bc:
val &= 0xfd;
break;
case 0x278:
val &= 0xfe;
break;
default:
val &= 0xfd;
break;
}
outb(idport, PC873_FAR);
outb(idport + 1, val);
outb(idport + 1, val);
/* Check for success by reading back the value we supposedly
wrote and comparing...*/
outb(idport, PC873_FAR);
val = inb(idport + 1) & 0x3;
/* If we fail, report the failure... */
if (pc873xx_porttab[val] != ppc->ppc_base) {
if (bootverbose)
printf("PC873xx at 0x%x not for driver at port 0x%x\n",
pc873xx_porttab[val], ppc->ppc_base);
}
continue;
}

1
sys/isa/ppcreg.h
View File

@ -44,6 +44,7 @@
#define WINB_UNKNOWN 9
#define NS_PC87334 10
#define SMC_37C935 11
#define NS_PC87303 12
/*
* Parallel Port Chipset Type. SMC versus GENERIC (others)