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First cut at fixing memory mapping botch. Nobody must use the ray(4)

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driver since it couldn't have worked with NEWCARD w/o these fixes.
This should allow selecting 16-bit memory width as well (which was
what was broken).
This commit is contained in:
Warner Losh 2009-01-05 21:00:22 +00:00
parent 609729b7a6
commit 1f97c78986
1 changed files with 29 additions and 16 deletions
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45
sys/dev/exca/exca.c
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@ -179,39 +179,38 @@ exca_do_mem_map(struct exca_softc *sc, int win)
struct mem_map_index_st *map;
struct pccard_mem_handle *mem;
uint32_t offset;
int mem8 = 1 /* mem->kind == PCCARD_A_MEM_ATTR */;
uint32_t mem16;
uint32_t attrmem;
map = &mem_map_index[win];
mem = &sc->mem[win];
mem16 = (mem->kind & PCCARD_MEM_16BIT) ?
EXCA_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT : 0;
attrmem = (mem->kind & PCCARD_MEM_ATTR) ?
EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0;
offset = ((mem->cardaddr >> EXCA_CARDMEM_ADDRX_SHIFT) -
(mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT)) & 0x3fff;
exca_putb(sc, map->sysmem_start_lsb,
(mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
mem->addr >> EXCA_SYSMEM_ADDRX_SHIFT);
exca_putb(sc, map->sysmem_start_msb,
((mem->addr >> (EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
EXCA_SYSMEM_ADDRX_START_MSB_ADDR_MASK) |
(mem8 ? 0 : EXCA_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT));
EXCA_SYSMEM_ADDRX_START_MSB_ADDR_MASK) | mem16);
exca_putb(sc, map->sysmem_stop_lsb,
((mem->addr + mem->realsize - 1) >>
EXCA_SYSMEM_ADDRX_SHIFT) & 0xff);
(mem->addr + mem->realsize - 1) >> EXCA_SYSMEM_ADDRX_SHIFT);
exca_putb(sc, map->sysmem_stop_msb,
(((mem->addr + mem->realsize - 1) >>
(EXCA_SYSMEM_ADDRX_SHIFT + 8)) &
EXCA_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT2);
exca_putb(sc, map->sysmem_win,
(mem->addr >> EXCA_MEMREG_WIN_SHIFT) & 0xff);
exca_putb(sc, map->sysmem_win, mem->addr >> EXCA_MEMREG_WIN_SHIFT);
exca_putb(sc, map->cardmem_lsb, offset & 0xff);
exca_putb(sc, map->cardmem_msb, (((offset >> 8) & 0xff) &
EXCA_CARDMEM_ADDRX_MSB_ADDR_MASK) |
((mem->kind == PCCARD_A_MEM_ATTR) ?
EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
exca_putb(sc, map->cardmem_msb, ((offset >> 8) &
EXCA_CARDMEM_ADDRX_MSB_ADDR_MASK) | attrmem);
#ifdef EXCA_DEBUG
if (mem->kind == PCCARD_A_MEM_ATTR)
if (mem->kind & PCCARD_MEM_ATTR)
printf("attribtue memory\n");
else
printf("common memory\n");
@ -342,7 +341,21 @@ exca_mem_set_flags(struct exca_softc *sc, struct resource *res, uint32_t flags)
return (ENOENT);
}
sc->mem[win].kind = flags;
switch (flags)
{
case PCCARD_A_MEM_ATTR:
sc->mem[win].kind |= PCCARD_MEM_ATTR;
break;
case PCCARD_A_MEM_COM:
sc->mem[win].kind &= ~PCCARD_MEM_ATTR;
break;
case PCCARD_A_MEM_16BIT:
sc->mem[win].kind |= PCCARD_MEM_16BIT;
break;
case PCCARD_A_MEM_8BIT:
sc->mem[win].kind &= ~PCCARD_MEM_16BIT;
break;
}
exca_do_mem_map(sc, win);
return (0);
}
@ -801,7 +814,7 @@ exca_activate_resource(struct exca_softc *exca, device_t child, int type,
err = exca_io_map(exca, PCCARD_WIDTH_AUTO, res);
break;
case SYS_RES_MEMORY:
err = exca_mem_map(exca, PCCARD_A_MEM_COM, res);
err = exca_mem_map(exca, 0, res);
break;
}
if (err)