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freebsd-dev/sys/mips/nlm/bus_space_rmi_pci.c
Pedro F. Giffuni 19d3b47b92 sys/mips: further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 15:07:26 +00:00

774 lines
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
* reserved.
*
* 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 Netlogic Microsystems ``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 NETLOGIC 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.
*
* NETLOGIC_BSD */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/ktr.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_kern.h>
#include <vm/vm_extern.h>
#include <machine/bus.h>
#include <machine/cache.h>
static int
rmi_pci_bus_space_map(void *t, bus_addr_t addr,
bus_size_t size, int flags,
bus_space_handle_t * bshp);
static void
rmi_pci_bus_space_unmap(void *t, bus_space_handle_t bsh,
bus_size_t size);
static int
rmi_pci_bus_space_subregion(void *t,
bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size,
bus_space_handle_t * nbshp);
static u_int8_t
rmi_pci_bus_space_read_1(void *t,
bus_space_handle_t handle,
bus_size_t offset);
static u_int16_t
rmi_pci_bus_space_read_2(void *t,
bus_space_handle_t handle,
bus_size_t offset);
static u_int32_t
rmi_pci_bus_space_read_4(void *t,
bus_space_handle_t handle,
bus_size_t offset);
static void
rmi_pci_bus_space_read_multi_1(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int8_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_multi_2(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_multi_4(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int32_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_region_1(void *t,
bus_space_handle_t bsh,
bus_size_t offset, u_int8_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_region_2(void *t,
bus_space_handle_t bsh,
bus_size_t offset, u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_region_4(void *t,
bus_space_handle_t bsh,
bus_size_t offset, u_int32_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_1(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int8_t value);
static void
rmi_pci_bus_space_write_2(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int16_t value);
static void
rmi_pci_bus_space_write_4(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int32_t value);
static void
rmi_pci_bus_space_write_multi_1(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int8_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_multi_2(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_multi_4(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int32_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_region_2(void *t,
bus_space_handle_t bsh,
bus_size_t offset,
const u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_region_4(void *t,
bus_space_handle_t bsh,
bus_size_t offset,
const u_int32_t * addr,
size_t count);
static void
rmi_pci_bus_space_set_region_2(void *t,
bus_space_handle_t bsh,
bus_size_t offset, u_int16_t value,
size_t count);
static void
rmi_pci_bus_space_set_region_4(void *t,
bus_space_handle_t bsh,
bus_size_t offset, u_int32_t value,
size_t count);
static void
rmi_pci_bus_space_barrier(void *tag __unused, bus_space_handle_t bsh __unused,
bus_size_t offset __unused, bus_size_t len __unused, int flags);
static void
rmi_pci_bus_space_copy_region_2(void *t,
bus_space_handle_t bsh1,
bus_size_t off1,
bus_space_handle_t bsh2,
bus_size_t off2, size_t count);
u_int8_t
rmi_pci_bus_space_read_stream_1(void *t, bus_space_handle_t handle,
bus_size_t offset);
static u_int16_t
rmi_pci_bus_space_read_stream_2(void *t, bus_space_handle_t handle,
bus_size_t offset);
static u_int32_t
rmi_pci_bus_space_read_stream_4(void *t, bus_space_handle_t handle,
bus_size_t offset);
static void
rmi_pci_bus_space_read_multi_stream_1(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int8_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_multi_stream_2(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_read_multi_stream_4(void *t,
bus_space_handle_t handle,
bus_size_t offset, u_int32_t * addr,
size_t count);
void
rmi_pci_bus_space_write_stream_1(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t value);
static void
rmi_pci_bus_space_write_stream_2(void *t, bus_space_handle_t handle,
bus_size_t offset, u_int16_t value);
static void
rmi_pci_bus_space_write_stream_4(void *t, bus_space_handle_t handle,
bus_size_t offset, u_int32_t value);
static void
rmi_pci_bus_space_write_multi_stream_1(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int8_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_multi_stream_2(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int16_t * addr,
size_t count);
static void
rmi_pci_bus_space_write_multi_stream_4(void *t,
bus_space_handle_t handle,
bus_size_t offset,
const u_int32_t * addr,
size_t count);
#define TODO() printf("XLR memory bus space function '%s' unimplemented\n", __func__)
static struct bus_space local_rmi_pci_bus_space = {
/* cookie */
(void *)0,
/* mapping/unmapping */
rmi_pci_bus_space_map,
rmi_pci_bus_space_unmap,
rmi_pci_bus_space_subregion,
/* allocation/deallocation */
NULL,
NULL,
/* barrier */
rmi_pci_bus_space_barrier,
/* read (single) */
rmi_pci_bus_space_read_1,
rmi_pci_bus_space_read_2,
rmi_pci_bus_space_read_4,
NULL,
/* read multiple */
rmi_pci_bus_space_read_multi_1,
rmi_pci_bus_space_read_multi_2,
rmi_pci_bus_space_read_multi_4,
NULL,
/* read region */
rmi_pci_bus_space_read_region_1,
rmi_pci_bus_space_read_region_2,
rmi_pci_bus_space_read_region_4,
NULL,
/* write (single) */
rmi_pci_bus_space_write_1,
rmi_pci_bus_space_write_2,
rmi_pci_bus_space_write_4,
NULL,
/* write multiple */
rmi_pci_bus_space_write_multi_1,
rmi_pci_bus_space_write_multi_2,
rmi_pci_bus_space_write_multi_4,
NULL,
/* write region */
NULL,
rmi_pci_bus_space_write_region_2,
rmi_pci_bus_space_write_region_4,
NULL,
/* set multiple */
NULL,
NULL,
NULL,
NULL,
/* set region */
NULL,
rmi_pci_bus_space_set_region_2,
rmi_pci_bus_space_set_region_4,
NULL,
/* copy */
NULL,
rmi_pci_bus_space_copy_region_2,
NULL,
NULL,
/* read (single) stream */
rmi_pci_bus_space_read_stream_1,
rmi_pci_bus_space_read_stream_2,
rmi_pci_bus_space_read_stream_4,
NULL,
/* read multiple stream */
rmi_pci_bus_space_read_multi_stream_1,
rmi_pci_bus_space_read_multi_stream_2,
rmi_pci_bus_space_read_multi_stream_4,
NULL,
/* read region stream */
rmi_pci_bus_space_read_region_1,
rmi_pci_bus_space_read_region_2,
rmi_pci_bus_space_read_region_4,
NULL,
/* write (single) stream */
rmi_pci_bus_space_write_stream_1,
rmi_pci_bus_space_write_stream_2,
rmi_pci_bus_space_write_stream_4,
NULL,
/* write multiple stream */
rmi_pci_bus_space_write_multi_stream_1,
rmi_pci_bus_space_write_multi_stream_2,
rmi_pci_bus_space_write_multi_stream_4,
NULL,
/* write region stream */
NULL,
rmi_pci_bus_space_write_region_2,
rmi_pci_bus_space_write_region_4,
NULL,
};
/* generic bus_space tag */
bus_space_tag_t rmi_pci_bus_space = &local_rmi_pci_bus_space;
/*
* Map a region of device bus space into CPU virtual address space.
*/
static int
rmi_pci_bus_space_map(void *t __unused, bus_addr_t addr,
bus_size_t size __unused, int flags __unused,
bus_space_handle_t * bshp)
{
*bshp = addr;
return (0);
}
/*
* Unmap a region of device bus space.
*/
static void
rmi_pci_bus_space_unmap(void *t __unused, bus_space_handle_t bsh __unused,
bus_size_t size __unused)
{
}
/*
* Get a new handle for a subregion of an already-mapped area of bus space.
*/
static int
rmi_pci_bus_space_subregion(void *t __unused, bus_space_handle_t bsh,
bus_size_t offset, bus_size_t size __unused,
bus_space_handle_t * nbshp)
{
*nbshp = bsh + offset;
return (0);
}
/*
* Read a 1, 2, 4, or 8 byte quantity from bus space
* described by tag/handle/offset.
*/
static u_int8_t
rmi_pci_bus_space_read_1(void *tag, bus_space_handle_t handle,
bus_size_t offset)
{
return (u_int8_t) (*(volatile u_int8_t *)(handle + offset));
}
static u_int16_t
rmi_pci_bus_space_read_2(void *tag, bus_space_handle_t handle,
bus_size_t offset)
{
u_int16_t value;
value = *(volatile u_int16_t *)(handle + offset);
return bswap16(value);
}
static u_int32_t
rmi_pci_bus_space_read_4(void *tag, bus_space_handle_t handle,
bus_size_t offset)
{
uint32_t value;
value = *(volatile u_int32_t *)(handle + offset);
return bswap32(value);
}
/*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle/offset and copy into buffer provided.
*/
static void
rmi_pci_bus_space_read_multi_1(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int8_t * addr, size_t count)
{
while (count--) {
*addr = *(volatile u_int8_t *)(handle + offset);
addr++;
}
}
static void
rmi_pci_bus_space_read_multi_2(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int16_t * addr, size_t count)
{
while (count--) {
*addr = *(volatile u_int16_t *)(handle + offset);
*addr = bswap16(*addr);
addr++;
}
}
static void
rmi_pci_bus_space_read_multi_4(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int32_t * addr, size_t count)
{
while (count--) {
*addr = *(volatile u_int32_t *)(handle + offset);
*addr = bswap32(*addr);
addr++;
}
}
/*
* Write the 1, 2, 4, or 8 byte value `value' to bus space
* described by tag/handle/offset.
*/
static void
rmi_pci_bus_space_write_1(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int8_t value)
{
mips_sync();
*(volatile u_int8_t *)(handle + offset) = value;
}
static void
rmi_pci_bus_space_write_2(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int16_t value)
{
mips_sync();
*(volatile u_int16_t *)(handle + offset) = bswap16(value);
}
static void
rmi_pci_bus_space_write_4(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int32_t value)
{
mips_sync();
*(volatile u_int32_t *)(handle + offset) = bswap32(value);
}
/*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
* provided to bus space described by tag/handle/offset.
*/
static void
rmi_pci_bus_space_write_multi_1(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int8_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int8_t *)(handle + offset)) = *addr;
addr++;
}
}
static void
rmi_pci_bus_space_write_multi_2(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int16_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int16_t *)(handle + offset)) = bswap16(*addr);
addr++;
}
}
static void
rmi_pci_bus_space_write_multi_4(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int32_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int32_t *)(handle + offset)) = bswap32(*addr);
addr++;
}
}
/*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
static void
rmi_pci_bus_space_set_region_2(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t value, size_t count)
{
bus_addr_t addr = bsh + offset;
for (; count != 0; count--, addr += 2)
(*(volatile u_int16_t *)(addr)) = value;
}
static void
rmi_pci_bus_space_set_region_4(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t value, size_t count)
{
bus_addr_t addr = bsh + offset;
for (; count != 0; count--, addr += 4)
(*(volatile u_int32_t *)(addr)) = value;
}
/*
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
*/
static void
rmi_pci_bus_space_copy_region_2(void *t, bus_space_handle_t bsh1,
bus_size_t off1, bus_space_handle_t bsh2,
bus_size_t off2, size_t count)
{
TODO();
}
/*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle/offset and copy into buffer provided.
*/
u_int8_t
rmi_pci_bus_space_read_stream_1(void *t, bus_space_handle_t handle,
bus_size_t offset)
{
return *((volatile u_int8_t *)(handle + offset));
}
static u_int16_t
rmi_pci_bus_space_read_stream_2(void *t, bus_space_handle_t handle,
bus_size_t offset)
{
return *(volatile u_int16_t *)(handle + offset);
}
static u_int32_t
rmi_pci_bus_space_read_stream_4(void *t, bus_space_handle_t handle,
bus_size_t offset)
{
return (*(volatile u_int32_t *)(handle + offset));
}
static void
rmi_pci_bus_space_read_multi_stream_1(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int8_t * addr, size_t count)
{
while (count--) {
*addr = (*(volatile u_int8_t *)(handle + offset));
addr++;
}
}
static void
rmi_pci_bus_space_read_multi_stream_2(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int16_t * addr, size_t count)
{
while (count--) {
*addr = (*(volatile u_int16_t *)(handle + offset));
addr++;
}
}
static void
rmi_pci_bus_space_read_multi_stream_4(void *tag, bus_space_handle_t handle,
bus_size_t offset, u_int32_t * addr, size_t count)
{
while (count--) {
*addr = (*(volatile u_int32_t *)(handle + offset));
addr++;
}
}
/*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle and starting at `offset' and copy into
* buffer provided.
*/
void
rmi_pci_bus_space_read_region_1(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t * addr, size_t count)
{
bus_addr_t baddr = bsh + offset;
while (count--) {
*addr++ = (*(volatile u_int8_t *)(baddr));
baddr += 1;
}
}
void
rmi_pci_bus_space_read_region_2(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t * addr, size_t count)
{
bus_addr_t baddr = bsh + offset;
while (count--) {
*addr++ = (*(volatile u_int16_t *)(baddr));
baddr += 2;
}
}
void
rmi_pci_bus_space_read_region_4(void *t, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t * addr, size_t count)
{
bus_addr_t baddr = bsh + offset;
while (count--) {
*addr++ = (*(volatile u_int32_t *)(baddr));
baddr += 4;
}
}
void
rmi_pci_bus_space_write_stream_1(void *t, bus_space_handle_t handle,
bus_size_t offset, u_int8_t value)
{
mips_sync();
*(volatile u_int8_t *)(handle + offset) = value;
}
static void
rmi_pci_bus_space_write_stream_2(void *t, bus_space_handle_t handle,
bus_size_t offset, u_int16_t value)
{
mips_sync();
*(volatile u_int16_t *)(handle + offset) = value;
}
static void
rmi_pci_bus_space_write_stream_4(void *t, bus_space_handle_t handle,
bus_size_t offset, u_int32_t value)
{
mips_sync();
*(volatile u_int32_t *)(handle + offset) = value;
}
static void
rmi_pci_bus_space_write_multi_stream_1(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int8_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int8_t *)(handle + offset)) = *addr;
addr++;
}
}
static void
rmi_pci_bus_space_write_multi_stream_2(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int16_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int16_t *)(handle + offset)) = *addr;
addr++;
}
}
static void
rmi_pci_bus_space_write_multi_stream_4(void *tag, bus_space_handle_t handle,
bus_size_t offset, const u_int32_t * addr, size_t count)
{
mips_sync();
while (count--) {
(*(volatile u_int32_t *)(handle + offset)) = *addr;
addr++;
}
}
void
rmi_pci_bus_space_write_region_2(void *t,
bus_space_handle_t bsh,
bus_size_t offset,
const u_int16_t * addr,
size_t count)
{
bus_addr_t baddr = (bus_addr_t) bsh + offset;
while (count--) {
(*(volatile u_int16_t *)(baddr)) = *addr;
addr++;
baddr += 2;
}
}
void
rmi_pci_bus_space_write_region_4(void *t, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t * addr, size_t count)
{
bus_addr_t baddr = bsh + offset;
while (count--) {
(*(volatile u_int32_t *)(baddr)) = *addr;
addr++;
baddr += 4;
}
}
static void
rmi_pci_bus_space_barrier(void *tag __unused, bus_space_handle_t bsh __unused,
bus_size_t offset __unused, bus_size_t len __unused, int flags)
{
}
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