NetBSD-5.0.2/sys/arch/landisk/dev/obio.c
/* $NetBSD: obio.c,v 1.6 2008/04/28 20:23:26 martin Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.6 2008/04/28 20:23:26 martin Exp $");
#include "btn_obio.h"
#include "pwrsw_obio.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <uvm/uvm_extern.h>
#include <sh3/devreg.h>
#include <sh3/mmu.h>
#include <sh3/pmap.h>
#include <sh3/pte.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <landisk/dev/obiovar.h>
#if (NPWRSW_OBIO > 0) || (NBTN_OBIO > 0)
#include <dev/sysmon/sysmonvar.h>
#include <dev/sysmon/sysmon_taskq.h>
#endif
#include "locators.h"
struct obio_softc {
device_t sc_dev;
bus_space_tag_t sc_iot; /* io space tag */
bus_space_tag_t sc_memt; /* mem space tag */
};
static int obio_match(device_t, cfdata_t, void *);
static void obio_attach(device_t, device_t, void *);
static int obio_print(void *, const char *);
static int obio_search(device_t, cfdata_t, const int *, void *);
CFATTACH_DECL_NEW(obio, sizeof(struct obio_softc),
obio_match, obio_attach, NULL, NULL);
static int
obio_match(device_t parent, cfdata_t cf, void *aux)
{
struct obiobus_attach_args *oba = aux;
if (strcmp(oba->oba_busname, cf->cf_name))
return (0);
return (1);
}
static void
obio_attach(device_t parent, device_t self, void *aux)
{
struct obio_softc *sc = device_private(self);
struct obiobus_attach_args *oba = aux;
aprint_naive("\n");
aprint_normal("\n");
sc->sc_dev = self;
sc->sc_iot = oba->oba_iot;
sc->sc_memt = oba->oba_memt;
#if (NPWRSW_OBIO > 0) || (NBTN_OBIO > 0)
sysmon_power_settype("landisk");
sysmon_task_queue_init();
#endif
config_search_ia(obio_search, self, "obio", NULL);
}
static int
obio_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
struct obio_io res_io[1];
struct obio_iomem res_mem[1];
struct obio_irq res_irq[1];
struct obio_softc *sc = device_private(parent);
struct obio_attach_args oa;
int tryagain;
do {
oa.oa_iot = sc->sc_iot;
oa.oa_memt = sc->sc_memt;
res_io[0].or_addr = cf->cf_iobase;
res_io[0].or_size = cf->cf_iosize;
res_mem[0].or_addr = cf->cf_maddr;
res_mem[0].or_size = cf->cf_msize;
res_irq[0].or_irq = cf->cf_irq;
oa.oa_io = res_io;
oa.oa_nio = 1;
oa.oa_iomem = res_mem;
oa.oa_niomem = 1;
oa.oa_irq = res_irq;
oa.oa_nirq = 1;
tryagain = 0;
if (config_match(parent, cf, &oa) > 0) {
config_attach(parent, cf, &oa, obio_print);
tryagain = (cf->cf_fstate == FSTATE_STAR);
}
} while (tryagain);
return (0);
}
static int
obio_print(void *args, const char *name)
{
struct obio_attach_args *oa = args;
const char *sep;
int i;
if (oa->oa_nio) {
sep = "";
aprint_normal(" port ");
for (i = 0; i < oa->oa_nio; i++) {
if (oa->oa_io[i].or_size == 0)
continue;
aprint_normal("%s0x%x", sep, oa->oa_io[i].or_addr);
if (oa->oa_io[i].or_size > 1)
aprint_normal("-0x%x", oa->oa_io[i].or_addr +
oa->oa_io[i].or_size - 1);
sep = ",";
}
}
if (oa->oa_niomem) {
sep = "";
aprint_normal(" iomem ");
for (i = 0; i < oa->oa_niomem; i++) {
if (oa->oa_iomem[i].or_size == 0)
continue;
aprint_normal("%s0x%x", sep, oa->oa_iomem[i].or_addr);
if (oa->oa_iomem[i].or_size > 1)
aprint_normal("-0x%x", oa->oa_iomem[i].or_addr +
oa->oa_iomem[i].or_size - 1);
sep = ",";
}
}
if (oa->oa_nirq) {
sep = "";
aprint_normal(" irq ");
for (i = 0; i < oa->oa_nirq; i++) {
if (oa->oa_irq[i].or_irq == IRQUNK)
continue;
aprint_normal("%s%d", sep, oa->oa_irq[i].or_irq);
sep = ",";
}
}
return (UNCONF);
}
/*
* Set up an interrupt handler to start being called.
*/
void *
obio_intr_establish(int irq, int level, int (*ih_fun)(void *), void *ih_arg)
{
return extintr_establish(irq, level, ih_fun, ih_arg);
}
/*
* Deregister an interrupt handler.
*/
void
obio_intr_disestablish(void *arg)
{
extintr_disestablish(arg);
}
/*
* on-board I/O bus space
*/
#define OBIO_IOMEM_IO 0 /* space is i/o space */
#define OBIO_IOMEM_MEM 1 /* space is mem space */
#define OBIO_IOMEM_PCMCIA_IO 2 /* PCMCIA IO space */
#define OBIO_IOMEM_PCMCIA_MEM 3 /* PCMCIA Mem space */
#define OBIO_IOMEM_PCMCIA_ATT 4 /* PCMCIA Attr space */
#define OBIO_IOMEM_PCMCIA_8BIT 0x8000 /* PCMCIA BUS 8 BIT WIDTH */
#define OBIO_IOMEM_PCMCIA_IO8 \
(OBIO_IOMEM_PCMCIA_IO|OBIO_IOMEM_PCMCIA_8BIT)
#define OBIO_IOMEM_PCMCIA_MEM8 \
(OBIO_IOMEM_PCMCIA_MEM|OBIO_IOMEM_PCMCIA_8BIT)
#define OBIO_IOMEM_PCMCIA_ATT8 \
(OBIO_IOMEM_PCMCIA_ATT|OBIO_IOMEM_PCMCIA_8BIT)
int obio_iomem_map(void *v, bus_addr_t bpa, bus_size_t size, int flags,
bus_space_handle_t *bshp);
void obio_iomem_unmap(void *v, bus_space_handle_t bsh, bus_size_t size);
int obio_iomem_subregion(void *v, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
int obio_iomem_alloc(void *v, bus_addr_t rstart, bus_addr_t rend,
bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags,
bus_addr_t *bpap, bus_space_handle_t *bshp);
void obio_iomem_free(void *v, bus_space_handle_t bsh, bus_size_t size);
static int obio_iomem_add_mapping(bus_addr_t, bus_size_t, int,
bus_space_handle_t *);
static int
obio_iomem_add_mapping(bus_addr_t bpa, bus_size_t size, int type,
bus_space_handle_t *bshp)
{
u_long pa, endpa;
vaddr_t va;
pt_entry_t *pte;
unsigned int m = 0;
int io_type = type & ~OBIO_IOMEM_PCMCIA_8BIT;
pa = sh3_trunc_page(bpa);
endpa = sh3_round_page(bpa + size);
#ifdef DIAGNOSTIC
if (endpa <= pa)
panic("obio_iomem_add_mapping: overflow");
#endif
va = uvm_km_alloc(kernel_map, endpa - pa, 0, UVM_KMF_VAONLY);
if (va == 0){
printf("obio_iomem_add_mapping: nomem\n");
return (ENOMEM);
}
*bshp = (bus_space_handle_t)(va + (bpa & PGOFSET));
#define MODE(t, s) \
((t) & OBIO_IOMEM_PCMCIA_8BIT) ? \
_PG_PCMCIA_ ## s ## 8 : \
_PG_PCMCIA_ ## s ## 16
switch (io_type) {
default:
panic("unknown pcmcia space.");
/* NOTREACHED */
case OBIO_IOMEM_PCMCIA_IO:
m = MODE(type, IO);
break;
case OBIO_IOMEM_PCMCIA_MEM:
m = MODE(type, MEM);
break;
case OBIO_IOMEM_PCMCIA_ATT:
m = MODE(type, ATTR);
break;
}
#undef MODE
for (; pa < endpa; pa += PAGE_SIZE, va += PAGE_SIZE) {
pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE);
pte = __pmap_kpte_lookup(va);
KDASSERT(pte);
*pte |= m; /* PTEA PCMCIA assistant bit */
sh_tlb_update(0, va, *pte);
}
return (0);
}
int
obio_iomem_map(void *v, bus_addr_t bpa, bus_size_t size,
int flags, bus_space_handle_t *bshp)
{
bus_addr_t addr = SH3_PHYS_TO_P2SEG(bpa);
int error;
KASSERT((bpa & SH3_PHYS_MASK) == bpa);
if (bpa < 0x14000000 || bpa >= 0x1c000000) {
/* CS0,1,2,3,4,7 */
*bshp = (bus_space_handle_t)addr;
return (0);
}
/* CS5,6 */
error = obio_iomem_add_mapping(addr, size, (int)(u_long)v, bshp);
return (error);
}
void
obio_iomem_unmap(void *v, bus_space_handle_t bsh, bus_size_t size)
{
u_long va, endva;
bus_addr_t bpa;
if (bsh >= SH3_P2SEG_BASE && bsh <= SH3_P2SEG_END) {
/* maybe CS0,1,2,3,4,7 */
return;
}
/* CS5,6 */
va = sh3_trunc_page(bsh);
endva = sh3_round_page(bsh + size);
#ifdef DIAGNOSTIC
if (endva <= va)
panic("obio_io_unmap: overflow");
#endif
pmap_extract(pmap_kernel(), va, &bpa);
bpa += bsh & PGOFSET;
pmap_kremove(va, endva - va);
/*
* Free the kernel virtual mapping.
*/
uvm_km_free(kernel_map, va, endva - va, UVM_KMF_VAONLY);
}
int
obio_iomem_subregion(void *v, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp)
{
*nbshp = bsh + offset;
return (0);
}
int
obio_iomem_alloc(void *v, bus_addr_t rstart, bus_addr_t rend,
bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags,
bus_addr_t *bpap, bus_space_handle_t *bshp)
{
*bshp = *bpap = rstart;
return (0);
}
void
obio_iomem_free(void *v, bus_space_handle_t bsh, bus_size_t size)
{
obio_iomem_unmap(v, bsh, size);
}
/*
* on-board I/O bus space read/write
*/
uint8_t obio_iomem_read_1(void *v, bus_space_handle_t bsh, bus_size_t offset);
uint16_t obio_iomem_read_2(void *v, bus_space_handle_t bsh, bus_size_t offset);
uint32_t obio_iomem_read_4(void *v, bus_space_handle_t bsh, bus_size_t offset);
void obio_iomem_read_multi_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count);
void obio_iomem_read_multi_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count);
void obio_iomem_read_multi_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count);
void obio_iomem_read_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count);
void obio_iomem_read_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count);
void obio_iomem_read_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count);
void obio_iomem_write_1(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint8_t value);
void obio_iomem_write_2(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint16_t value);
void obio_iomem_write_4(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint32_t value);
void obio_iomem_write_multi_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count);
void obio_iomem_write_multi_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count);
void obio_iomem_write_multi_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count);
void obio_iomem_write_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count);
void obio_iomem_write_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count);
void obio_iomem_write_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count);
void obio_iomem_set_multi_1(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint8_t val, bus_size_t count);
void obio_iomem_set_multi_2(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint16_t val, bus_size_t count);
void obio_iomem_set_multi_4(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint32_t val, bus_size_t count);
void obio_iomem_set_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count);
void obio_iomem_set_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count);
void obio_iomem_set_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count);
void obio_iomem_copy_region_1(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count);
void obio_iomem_copy_region_2(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count);
void obio_iomem_copy_region_4(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count);
struct _bus_space obio_bus_io =
{
.bs_cookie = (void *)OBIO_IOMEM_PCMCIA_IO,
.bs_map = obio_iomem_map,
.bs_unmap = obio_iomem_unmap,
.bs_subregion = obio_iomem_subregion,
.bs_alloc = obio_iomem_alloc,
.bs_free = obio_iomem_free,
.bs_r_1 = obio_iomem_read_1,
.bs_r_2 = obio_iomem_read_2,
.bs_r_4 = obio_iomem_read_4,
.bs_rm_1 = obio_iomem_read_multi_1,
.bs_rm_2 = obio_iomem_read_multi_2,
.bs_rm_4 = obio_iomem_read_multi_4,
.bs_rr_1 = obio_iomem_read_region_1,
.bs_rr_2 = obio_iomem_read_region_2,
.bs_rr_4 = obio_iomem_read_region_4,
.bs_w_1 = obio_iomem_write_1,
.bs_w_2 = obio_iomem_write_2,
.bs_w_4 = obio_iomem_write_4,
.bs_wm_1 = obio_iomem_write_multi_1,
.bs_wm_2 = obio_iomem_write_multi_2,
.bs_wm_4 = obio_iomem_write_multi_4,
.bs_wr_1 = obio_iomem_write_region_1,
.bs_wr_2 = obio_iomem_write_region_2,
.bs_wr_4 = obio_iomem_write_region_4,
.bs_sm_1 = obio_iomem_set_multi_1,
.bs_sm_2 = obio_iomem_set_multi_2,
.bs_sm_4 = obio_iomem_set_multi_4,
.bs_sr_1 = obio_iomem_set_region_1,
.bs_sr_2 = obio_iomem_set_region_2,
.bs_sr_4 = obio_iomem_set_region_4,
.bs_c_1 = obio_iomem_copy_region_1,
.bs_c_2 = obio_iomem_copy_region_2,
.bs_c_4 = obio_iomem_copy_region_4,
};
struct _bus_space obio_bus_mem =
{
.bs_cookie = (void *)OBIO_IOMEM_PCMCIA_MEM,
.bs_map = obio_iomem_map,
.bs_unmap = obio_iomem_unmap,
.bs_subregion = obio_iomem_subregion,
.bs_alloc = obio_iomem_alloc,
.bs_free = obio_iomem_free,
.bs_r_1 = obio_iomem_read_1,
.bs_r_2 = obio_iomem_read_2,
.bs_r_4 = obio_iomem_read_4,
.bs_rm_1 = obio_iomem_read_multi_1,
.bs_rm_2 = obio_iomem_read_multi_2,
.bs_rm_4 = obio_iomem_read_multi_4,
.bs_rr_1 = obio_iomem_read_region_1,
.bs_rr_2 = obio_iomem_read_region_2,
.bs_rr_4 = obio_iomem_read_region_4,
.bs_w_1 = obio_iomem_write_1,
.bs_w_2 = obio_iomem_write_2,
.bs_w_4 = obio_iomem_write_4,
.bs_wm_1 = obio_iomem_write_multi_1,
.bs_wm_2 = obio_iomem_write_multi_2,
.bs_wm_4 = obio_iomem_write_multi_4,
.bs_wr_1 = obio_iomem_write_region_1,
.bs_wr_2 = obio_iomem_write_region_2,
.bs_wr_4 = obio_iomem_write_region_4,
.bs_sm_1 = obio_iomem_set_multi_1,
.bs_sm_2 = obio_iomem_set_multi_2,
.bs_sm_4 = obio_iomem_set_multi_4,
.bs_sr_1 = obio_iomem_set_region_1,
.bs_sr_2 = obio_iomem_set_region_2,
.bs_sr_4 = obio_iomem_set_region_4,
.bs_c_1 = obio_iomem_copy_region_1,
.bs_c_2 = obio_iomem_copy_region_2,
.bs_c_4 = obio_iomem_copy_region_4,
};
/* read */
uint8_t
obio_iomem_read_1(void *v, bus_space_handle_t bsh, bus_size_t offset)
{
return *(volatile uint8_t *)(bsh + offset);
}
uint16_t
obio_iomem_read_2(void *v, bus_space_handle_t bsh, bus_size_t offset)
{
return *(volatile uint16_t *)(bsh + offset);
}
uint32_t
obio_iomem_read_4(void *v, bus_space_handle_t bsh, bus_size_t offset)
{
return *(volatile uint32_t *)(bsh + offset);
}
void
obio_iomem_read_multi_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
volatile uint8_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p;
}
}
void
obio_iomem_read_multi_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
volatile uint16_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p;
}
}
void
obio_iomem_read_multi_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
volatile uint32_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p;
}
}
void
obio_iomem_read_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t *addr, bus_size_t count)
{
volatile uint8_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p++;
}
}
void
obio_iomem_read_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t *addr, bus_size_t count)
{
volatile uint16_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p++;
}
}
void
obio_iomem_read_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t *addr, bus_size_t count)
{
volatile uint32_t *p = (void *)(bsh + offset);
while (count--) {
*addr++ = *p++;
}
}
/* write */
void
obio_iomem_write_1(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint8_t value)
{
*(volatile uint8_t *)(bsh + offset) = value;
}
void
obio_iomem_write_2(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint16_t value)
{
*(volatile uint16_t *)(bsh + offset) = value;
}
void
obio_iomem_write_4(void *v, bus_space_handle_t bsh, bus_size_t offset,
uint32_t value)
{
*(volatile uint32_t *)(bsh + offset) = value;
}
void
obio_iomem_write_multi_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count)
{
volatile uint8_t *p = (void *)(bsh + offset);
while (count--) {
*p = *addr++;
}
}
void
obio_iomem_write_multi_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count)
{
volatile uint16_t *p = (void *)(bsh + offset);
while (count--) {
*p = *addr++;
}
}
void
obio_iomem_write_multi_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count)
{
volatile uint32_t *p = (void *)(bsh + offset);
while (count--) {
*p = *addr++;
}
}
void
obio_iomem_write_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint8_t *addr, bus_size_t count)
{
volatile uint8_t *p = (void *)(bsh + offset);
while (count--) {
*p++ = *addr++;
}
}
void
obio_iomem_write_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint16_t *addr, bus_size_t count)
{
volatile uint16_t *p = (void *)(bsh + offset);
while (count--) {
*p++ = *addr++;
}
}
void
obio_iomem_write_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, const uint32_t *addr, bus_size_t count)
{
volatile uint32_t *p = (void *)(bsh + offset);
while (count--) {
*p++ = *addr++;
}
}
void
obio_iomem_set_multi_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count)
{
volatile uint8_t *p = (void *)(bsh + offset);
while (count--) {
*p = val;
}
}
void
obio_iomem_set_multi_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count)
{
volatile uint16_t *p = (void *)(bsh + offset);
while (count--) {
*p = val;
}
}
void
obio_iomem_set_multi_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count)
{
volatile uint32_t *p = (void *)(bsh + offset);
while (count--) {
*p = val;
}
}
void
obio_iomem_set_region_1(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint8_t val, bus_size_t count)
{
volatile uint8_t *addr = (void *)(bsh + offset);
while (count--) {
*addr++ = val;
}
}
void
obio_iomem_set_region_2(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint16_t val, bus_size_t count)
{
volatile uint16_t *addr = (void *)(bsh + offset);
while (count--) {
*addr++ = val;
}
}
void
obio_iomem_set_region_4(void *v, bus_space_handle_t bsh,
bus_size_t offset, uint32_t val, bus_size_t count)
{
volatile uint32_t *addr = (void *)(bsh + offset);
while (count--) {
*addr++ = val;
}
}
void
obio_iomem_copy_region_1(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count)
{
volatile uint8_t *addr1 = (void *)(h1 + o1);
volatile uint8_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (count--) {
*addr2++ = *addr1++;
}
} else { /* dest after src: copy backwards */
addr1 += count - 1;
addr2 += count - 1;
while (count--) {
*addr2-- = *addr1--;
}
}
}
void
obio_iomem_copy_region_2(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count)
{
volatile uint16_t *addr1 = (void *)(h1 + o1);
volatile uint16_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (count--) {
*addr2++ = *addr1++;
}
} else { /* dest after src: copy backwards */
addr1 += count - 1;
addr2 += count - 1;
while (count--) {
*addr2-- = *addr1--;
}
}
}
void
obio_iomem_copy_region_4(void *v, bus_space_handle_t h1, bus_size_t o1,
bus_space_handle_t h2, bus_size_t o2, bus_size_t count)
{
volatile uint32_t *addr1 = (void *)(h1 + o1);
volatile uint32_t *addr2 = (void *)(h2 + o2);
if (addr1 >= addr2) { /* src after dest: copy forward */
while (count--) {
*addr2++ = *addr1++;
}
} else { /* dest after src: copy backwards */
addr1 += count - 1;
addr2 += count - 1;
while (count--) {
*addr2-- = *addr1--;
}
}
}