int
__BS(get_window)(void *v, int window, struct mips_bus_space_translation *mbst)
{
switch (window) {
#ifdef CHIP_W1_BUS_START
case 0:
mbst->mbst_bus_start = CHIP_W1_BUS_START(v);
mbst->mbst_bus_end = CHIP_W1_BUS_END(v);
mbst->mbst_sys_start = CHIP_W1_SYS_START(v);
mbst->mbst_sys_end = CHIP_W1_SYS_END(v);
mbst->mbst_align_stride = CHIP_ALIGN_STRIDE;
mbst->mbst_flags = 0;
break;
#endif
#ifdef CHIP_W2_BUS_START
case 1:
mbst->mbst_bus_start = CHIP_W2_BUS_START(v);
mbst->mbst_bus_end = CHIP_W2_BUS_END(v);
mbst->mbst_sys_start = CHIP_W2_SYS_START(v);
mbst->mbst_sys_end = CHIP_W2_SYS_END(v);
mbst->mbst_align_stride = CHIP_ALIGN_STRIDE;
mbst->mbst_flags = 0;
break;
#endif
#ifdef CHIP_W3_BUS_START
case 2:
mbst->mbst_bus_start = CHIP_W3_BUS_START(v);
mbst->mbst_bus_end = CHIP_W3_BUS_END(v);
mbst->mbst_sys_start = CHIP_W3_SYS_START(v);
mbst->mbst_sys_end = CHIP_W3_SYS_END(v);
mbst->mbst_align_stride = CHIP_ALIGN_STRIDE;
mbst->mbst_flags = 0;
break;
#endif
default:
panic(__S(__BS(get_window)) ": invalid window %d",
window);
}
return (0);
}
void
__BS(unmap)(void *v, bus_space_handle_t h, bus_size_t size, int acct)
{
#ifdef CHIP_EXTENT
bus_addr_t addr;
int error;
if (acct == 0)
return;
#ifdef EXTENT_DEBUG
printf("xxx: freeing handle 0x%lx for 0x%lx\n", h, size);
#endif
if (h >= MIPS_KSEG0_START && h < MIPS_KSEG1_START)
h = MIPS_KSEG0_TO_PHYS(h);
else
h = MIPS_KSEG1_TO_PHYS(h);
#ifdef CHIP_W1_BUS_START
if (h >= CHIP_W1_SYS_START(v) && h <= CHIP_W1_SYS_END(v)) {
addr = CHIP_W1_BUS_START(v) + (h - CHIP_W1_SYS_START(v));
} else
#endif
#ifdef CHIP_W2_BUS_START
if (h >= CHIP_W2_SYS_START(v) && h <= CHIP_W2_SYS_END(v)) {
addr = CHIP_W2_BUS_START(v) + (h - CHIP_W2_SYS_START(v));
} else
#endif
#ifdef CHIP_W3_BUS_START
if (h >= CHIP_W3_SYS_START(v) && h <= CHIP_W3_SYS_END(v)) {
addr = CHIP_W3_BUS_START(v) + (h - CHIP_W3_SYS_START(v));
} else
#endif
{
printf("\n");
#ifdef CHIP_W1_BUS_START
printf("%s: sys window[1]=0x%lx-0x%lx\n",
__S(__BS(map)), (u_long)CHIP_W1_SYS_START(v),
(u_long)CHIP_W1_SYS_END(v));
#endif
#ifdef CHIP_W2_BUS_START
printf("%s: sys window[2]=0x%lx-0x%lx\n",
__S(__BS(map)), (u_long)CHIP_W2_SYS_START(v),
(u_long)CHIP_W2_SYS_END(v));
#endif
#ifdef CHIP_W3_BUS_START
printf("%s: sys window[3]=0x%lx-0x%lx\n",
__S(__BS(map)), (u_long)CHIP_W3_SYS_START(v),
(u_long)CHIP_W3_SYS_END(v));
#endif
panic("%s: don't know how to unmap %lx", __S(__BS(unmap)), h);
}
#ifdef EXTENT_DEBUG
printf("xxx: freeing 0x%lx to 0x%lx\n", addr, addr + size - 1);
#endif
error = extent_free(CHIP_EXTENT(v), addr, size,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
if (error) {
printf("%s: WARNING: could not unmap 0x%lx-0x%lx (error %d)\n",
__S(__BS(unmap)), addr, addr + size - 1,
error);
#ifdef EXTENT_DEBUG
extent_print(CHIP_EXTENT(v));
#endif
}
#endif /* CHIP_EXTENT */
}
static void
__BS(unmap)(void *v, bus_space_handle_t h, bus_size_t size, int acct)
{
#if !defined(_LP64) || defined(CHIP_EXTENT)
bus_addr_t addr = 0; /* initialize to appease gcc */
#endif
#ifndef _LP64
bool handle_is_km;
/* determine if h is addr obtained from uvm_km_alloc */
handle_is_km = !(MIPS_KSEG0_P(h) || MIPS_KSEG1_P(h));
#ifdef __mips_n32
if (handle_is_km == true)
handle_is_km = !MIPS_XKPHYS_P(h);
#endif
if (handle_is_km == true) {
paddr_t pa;
vaddr_t va = (vaddr_t)trunc_page(h);
vsize_t sz = (vsize_t)round_page((h % PAGE_SIZE) + size);
int s;
s = splhigh();
if (pmap_extract(pmap_kernel(), (vaddr_t)h, &pa) == false)
panic("%s: pmap_extract failed", __func__);
addr = (bus_addr_t)pa;
#if 0
printf("%s:%d: addr %#"PRIxBUSADDR", sz %#"PRIxVSIZE"\n",
__func__, __LINE__, addr, sz);
#endif
/* sanity check: this is why we couldn't map w/ kseg[0,1] */
KASSERT (((addr + sz) & ~MIPS_PHYS_MASK) != 0);
pmap_kremove(va, sz);
pmap_update(pmap_kernel());
uvm_km_free(kernel_map, va, sz, UVM_KMF_VAONLY);
splx(s);
}
#endif /* _LP64 */
#ifdef CHIP_EXTENT
if (acct == 0)
return;
#ifdef EXTENT_DEBUG
printf("%s: freeing handle %#"PRIxBSH" for %#"PRIxBUSSIZE"\n",
__S(__BS(unmap)), h, size);
#endif
#ifdef _LP64
KASSERT(MIPS_XKPHYS_P(h));
addr = MIPS_XKPHYS_TO_PHYS(h);
#else
if (handle_is_km == false) {
if (MIPS_KSEG0_P(h))
addr = MIPS_KSEG0_TO_PHYS(h);
#ifdef __mips_n32
else if (MIPS_XKPHYS_P(h))
addr = MIPS_XKPHYS_TO_PHYS(h);
#endif
else
addr = MIPS_KSEG1_TO_PHYS(h);
}
#endif
#ifdef CHIP_W1_BUS_START
if (addr >= CHIP_W1_SYS_START(v) && addr <= CHIP_W1_SYS_END(v)) {
addr = CHIP_W1_BUS_START(v) + (addr - CHIP_W1_SYS_START(v));
} else
#endif
#ifdef CHIP_W2_BUS_START
if (addr >= CHIP_W2_SYS_START(v) && addr <= CHIP_W2_SYS_END(v)) {
addr = CHIP_W2_BUS_START(v) + (addr - CHIP_W2_SYS_START(v));
} else
#endif
#ifdef CHIP_W3_BUS_START
if (addr >= CHIP_W3_SYS_START(v) && addr <= CHIP_W3_SYS_END(v)) {
addr = CHIP_W3_BUS_START(v) + (addr - CHIP_W3_SYS_START(v));
} else
#endif
{
printf("\n");
#ifdef CHIP_W1_BUS_START
printf("%s: sys window[1]=0x%lx-0x%lx\n",
__S(__BS(unmap)), (u_long)CHIP_W1_SYS_START(v),
(u_long)CHIP_W1_SYS_END(v));
#endif
#ifdef CHIP_W2_BUS_START
printf("%s: sys window[2]=0x%lx-0x%lx\n",
__S(__BS(unmap)), (u_long)CHIP_W2_SYS_START(v),
(u_long)CHIP_W2_SYS_END(v));
#endif
#ifdef CHIP_W3_BUS_START
printf("%s: sys window[3]=0x%lx-0x%lx\n",
__S(__BS(unmap)), (u_long)CHIP_W3_SYS_START(v),
(u_long)CHIP_W3_SYS_END(v));
#endif
panic("%s: don't know how to unmap %#"PRIxBSH, __S(__BS(unmap)), h);
}
#ifdef EXTENT_DEBUG
printf("%s: freeing %#"PRIxBUSADDR" to %#"PRIxBUSADDR"\n",
__S(__BS(unmap)), addr, addr + size - 1);
#endif
int error = extent_free(CHIP_EXTENT(v), addr, size,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
if (error) {
printf("%s: WARNING: could not unmap"
" %#"PRIxBUSADDR"-%#"PRIxBUSADDR" (error %d)\n",
__S(__BS(unmap)), addr, addr + size - 1, error);
#ifdef EXTENT_DEBUG
extent_print(CHIP_EXTENT(v));
#endif
}
#endif /* CHIP_EXTENT */
#if !defined(_LP64) || defined(CHIP_EXTENT)
__USE(addr);
#endif
}