CS:CARD1/CARD2 8bit port support.

This commit is contained in:
uch 1999-12-03 18:15:41 +00:00
parent fe61f2db84
commit 1917e12c8a
1 changed files with 96 additions and 27 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: txcsbus.c,v 1.1 1999/11/20 19:56:39 uch Exp $ */
/* $NetBSD: txcsbus.c,v 1.2 1999/12/03 18:15:41 uch Exp $ */
/*
* Copyright (c) 1999, by UCHIYAMA Yasushi
@ -60,7 +60,8 @@ struct cfattach txcsbus_ca = {
sizeof(struct txcsbus_softc), txcsbus_match, txcsbus_attach
};
bus_space_tag_t __txcsbus_alloc_cstag __P((struct txcsbus_softc*, struct cs_handle*));
bus_space_tag_t __txcsbus_alloc_cstag __P((struct txcsbus_softc*,
struct cs_handle*));
int
txcsbus_match(parent, cf, aux)
@ -71,15 +72,19 @@ txcsbus_match(parent, cf, aux)
struct csbus_attach_args *cba = aux;
platid_mask_t mask;
if (strcmp(cba->cba_busname, cf->cf_driver->cd_name))
if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) {
return 0;
}
if (cf->cf_loc[TXCSBUSIFCF_PLATFORM] == TXCSBUSIFCF_PLATFORM_DEFAULT)
if (cf->cf_loc[TXCSBUSIFCF_PLATFORM] ==
TXCSBUSIFCF_PLATFORM_DEFAULT) {
return 1;
}
mask = PLATID_DEREF(cf->cf_loc[TXCSBUSIFCF_PLATFORM]);
if (platid_match(&platid, &mask))
if (platid_match(&platid, &mask)) {
return 2;
}
return 0;
}
@ -125,23 +130,27 @@ txcsbus_search(parent, cf, aux)
ca.ca_csreg.csbase = cf->cf_loc[TXCSBUSCF_REGCSBASE];
ca.ca_csreg.cssize = cf->cf_loc[TXCSBUSCF_REGCSSIZE];
ca.ca_csreg.cswidth = cf->cf_loc[TXCSBUSCF_REGCSWIDTH];
if (ca.ca_csreg.cs != TXCSBUSCF_REGCS_DEFAULT) {
ca.ca_csreg.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csreg);
ca.ca_csreg.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csreg);
}
ca.ca_csio.cs = cf->cf_loc[TXCSBUSCF_IOCS];
ca.ca_csio.csbase = cf->cf_loc[TXCSBUSCF_IOCSBASE];
ca.ca_csio.cssize = cf->cf_loc[TXCSBUSCF_IOCSSIZE];
ca.ca_csio.cswidth = cf->cf_loc[TXCSBUSCF_IOCSWIDTH];
if (ca.ca_csio.cs != TXCSBUSCF_IOCS_DEFAULT) {
ca.ca_csio.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csio);
ca.ca_csio.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csio);
}
ca.ca_csmem.cs = cf->cf_loc[TXCSBUSCF_MEMCS];
ca.ca_csmem.csbase = cf->cf_loc[TXCSBUSCF_MEMCSBASE];
ca.ca_csmem.cssize = cf->cf_loc[TXCSBUSCF_MEMCSSIZE];
ca.ca_csmem.cswidth = cf->cf_loc[TXCSBUSCF_MEMCSWIDTH];
if (ca.ca_csmem.cs != TXCSBUSCF_MEMCS_DEFAULT) {
ca.ca_csmem.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csmem);
ca.ca_csmem.cstag = __txcsbus_alloc_cstag(sc, &ca.ca_csmem);
}
ca.ca_irq1 = cf->cf_loc[TXCSBUSCF_IRQ1];
@ -166,20 +175,32 @@ __txcsbus_alloc_cstag(sc, csh)
paddr_t cs_addr;
psize_t cs_size;
} __csmap[] = {
[TX39_CS0] = {"CS0(ROM)" , TX39_SYSADDR_CS0 ,TX39_SYSADDR_CS_SIZE},
[TX39_CS1] = {"CS1" , TX39_SYSADDR_CS1 ,TX39_SYSADDR_CS_SIZE},
[TX39_CS2] = {"CS2" , TX39_SYSADDR_CS2 ,TX39_SYSADDR_CS_SIZE},
[TX39_CS3] = {"CS3" , TX39_SYSADDR_CS3 ,TX39_SYSADDR_CS_SIZE},
[TX39_MCS0] = {"MCS0" , TX39_SYSADDR_MCS0 ,TX39_SYSADDR_MCS_SIZE},
[TX39_MCS1] = {"MCS1" , TX39_SYSADDR_MCS1 ,TX39_SYSADDR_MCS_SIZE},
[TX39_CS0] = {"CS0(ROM)" , TX39_SYSADDR_CS0 ,
TX39_SYSADDR_CS_SIZE},
[TX39_CS1] = {"CS1" , TX39_SYSADDR_CS1 ,
TX39_SYSADDR_CS_SIZE},
[TX39_CS2] = {"CS2" , TX39_SYSADDR_CS2 ,
TX39_SYSADDR_CS_SIZE},
[TX39_CS3] = {"CS3" , TX39_SYSADDR_CS3 ,
TX39_SYSADDR_CS_SIZE},
[TX39_MCS0] = {"MCS0" , TX39_SYSADDR_MCS0 ,
TX39_SYSADDR_MCS_SIZE},
[TX39_MCS1] = {"MCS1" , TX39_SYSADDR_MCS1 ,
TX39_SYSADDR_MCS_SIZE},
#ifdef TX391X
[TX39_MCS2] = {"MCS2" , TX39_SYSADDR_MCS2 ,TX39_SYSADDR_MCS_SIZE},
[TX39_MCS3] = {"MCS3" , TX39_SYSADDR_MCS3 ,TX39_SYSADDR_MCS_SIZE},
[TX39_MCS2] = {"MCS2" , TX39_SYSADDR_MCS2 ,
TX39_SYSADDR_MCS_SIZE},
[TX39_MCS3] = {"MCS3" , TX39_SYSADDR_MCS3 ,
TX39_SYSADDR_MCS_SIZE},
#endif /* TX391X */
[TX39_CARD1] = {"CARD1(io)" , TX39_SYSADDR_CARD1 ,TX39_SYSADDR_CARD_SIZE},
[TX39_CARD2] = {"CARD2(io)" , TX39_SYSADDR_CARD2 ,TX39_SYSADDR_CARD_SIZE},
[TX39_CARD1MEM] = {"CARD1(mem)" , TX39_SYSADDR_CARD1MEM ,TX39_SYSADDR_CARD_SIZE},
[TX39_CARD2MEM] = {"CARD2(mem)" , TX39_SYSADDR_CARD2MEM ,TX39_SYSADDR_CARD_SIZE},
[TX39_CARD1] = {"CARD1(io/attr)", TX39_SYSADDR_CARD1 ,
TX39_SYSADDR_CARD_SIZE},
[TX39_CARD2] = {"CARD2(io/attr)", TX39_SYSADDR_CARD2 ,
TX39_SYSADDR_CARD_SIZE},
[TX39_CARD1MEM] = {"CARD1(mem)" , TX39_SYSADDR_CARD1MEM ,
TX39_SYSADDR_CARD_SIZE},
[TX39_CARD2MEM] = {"CARD2(mem)" , TX39_SYSADDR_CARD2MEM ,
TX39_SYSADDR_CARD_SIZE},
};
tx_chipset_tag_t tc = sc->sc_tc;
@ -209,36 +230,84 @@ __txcsbus_alloc_cstag(sc, csh)
switch (width) {
default:
panic("txcsbus_alloc_tag: bogus bus width %d\n", width);
case 32:
if (TX39_ISCS(cs)) {
reg = tx_conf_read(tc, TX39_MEMCONFIG0_REG);
reg |= (1 << cs);
tx_conf_write(tc, TX39_MEMCONFIG0_REG, reg);
} else {
} else if(TX39_ISMCS(cs)) {
#ifdef TX391X
panic("txcsbus_alloc_tag: MCS is 16bit only");
#elif defined TX392X
#endif /* TX391X */
#ifdef TX392X
reg = tx_conf_read(tc, TX39_MEMCONFIG1_REG);
reg |= ((cs == TX39_MCS0) ? TX39_MEMCONFIG1_MCS0_32 :
reg |= ((cs == TX39_MCS0) ?
TX39_MEMCONFIG1_MCS0_32 :
TX39_MEMCONFIG1_MCS1_32);
tx_conf_write(tc, TX39_MEMCONFIG1_REG, reg);
#endif
#endif /* TX392X */
}
break;
case 16:
if (TX39_ISCS(cs)) {
reg = tx_conf_read(tc, TX39_MEMCONFIG0_REG);
reg &= ~(1 << cs);
tx_conf_write(tc, TX39_MEMCONFIG0_REG, reg);
} else { /* TX391X always 16bit port */
} else if(TX39_ISMCS(cs)) {
/* TX391X always 16bit port */
#ifdef TX392X
reg = tx_conf_read(tc, TX39_MEMCONFIG1_REG);
reg &= ~((cs == TX39_MCS0) ? TX39_MEMCONFIG1_MCS0_32 :
reg &= ~((cs == TX39_MCS0) ?
TX39_MEMCONFIG1_MCS0_32 :
TX39_MEMCONFIG1_MCS1_32);
tx_conf_write(tc, TX39_MEMCONFIG1_REG, reg);
#endif
#endif /* TX392X */
} else {
/* CARD io/attr or mem */
reg = tx_conf_read(tc, TX39_MEMCONFIG3_REG);
/* enable I/O access */
reg |= (cs == TX39_CARD1) ?
TX39_MEMCONFIG3_CARD1IOEN :
TX39_MEMCONFIG3_CARD2IOEN;
/* disable 8bit access */
#ifdef TX392X
reg &= ~((cs == TX39_CARD1) ?
TX39_MEMCONFIG3_CARD1_8SEL :
TX39_MEMCONFIG3_CARD2_8SEL);
#endif /* TX392X */
#ifdef TX391X
reg &= ~TX39_MEMCONFIG3_PORT8SEL;
#endif /* TX391X */
tx_conf_write(tc, TX39_MEMCONFIG3_REG, reg);
}
break;
case 8:
if (TX39_ISCARD(cs)) {
reg = tx_conf_read(tc, TX39_MEMCONFIG3_REG);
/* enable I/O access */
reg |= (cs == TX39_CARD1) ?
TX39_MEMCONFIG3_CARD1IOEN :
TX39_MEMCONFIG3_CARD2IOEN;
/* disable 8bit access */
#ifdef TX392X
reg |= (cs == TX39_CARD1) ?
TX39_MEMCONFIG3_CARD1_8SEL :
TX39_MEMCONFIG3_CARD2_8SEL;
#endif /* TX392X */
#ifdef TX391X
reg |= TX39_MEMCONFIG3_PORT8SEL;
#endif /* TX391X */
tx_conf_write(tc, TX39_MEMCONFIG3_REG, reg);
} else {
panic("__txcsbus_alloc_cstag: CS%d 8bit mode is"
"not allowed");
}
}
hpcmips_init_bus_space_extent(iot);