diff options
Diffstat (limited to 'sys/mips/nlm/bus_space_rmi.c')
| -rw-r--r-- | sys/mips/nlm/bus_space_rmi.c | 688 |
1 files changed, 688 insertions, 0 deletions
diff --git a/sys/mips/nlm/bus_space_rmi.c b/sys/mips/nlm/bus_space_rmi.c new file mode 100644 index 0000000..8653cdf --- /dev/null +++ b/sys/mips/nlm/bus_space_rmi.c @@ -0,0 +1,688 @@ +/* + * 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_bus_space_map(void *t, bus_addr_t addr, + bus_size_t size, int flags, + bus_space_handle_t *bshp); + +static void +rmi_bus_space_unmap(void *t, bus_space_handle_t bsh, + bus_size_t size); + +static int +rmi_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_bus_space_read_1(void *t, + bus_space_handle_t handle, + bus_size_t offset); + +static u_int16_t +rmi_bus_space_read_2(void *t, + bus_space_handle_t handle, + bus_size_t offset); + +static u_int32_t +rmi_bus_space_read_4(void *t, + bus_space_handle_t handle, + bus_size_t offset); + +static void +rmi_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_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_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_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_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_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_bus_space_write_1(void *t, + bus_space_handle_t handle, + bus_size_t offset, u_int8_t value); + +static void +rmi_bus_space_write_2(void *t, + bus_space_handle_t handle, + bus_size_t offset, u_int16_t value); + +static void +rmi_bus_space_write_4(void *t, + bus_space_handle_t handle, + bus_size_t offset, u_int32_t value); + +static void +rmi_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_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_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_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_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_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_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_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_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_bus_space_read_stream_1(void *t, bus_space_handle_t handle, + bus_size_t offset); + +static u_int16_t +rmi_bus_space_read_stream_2(void *t, bus_space_handle_t handle, + bus_size_t offset); + +static u_int32_t +rmi_bus_space_read_stream_4(void *t, bus_space_handle_t handle, + bus_size_t offset); +static void +rmi_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_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_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_bus_space_write_stream_1(void *t, bus_space_handle_t bsh, + bus_size_t offset, u_int8_t value); +static void +rmi_bus_space_write_stream_2(void *t, bus_space_handle_t handle, + bus_size_t offset, u_int16_t value); + +static void +rmi_bus_space_write_stream_4(void *t, bus_space_handle_t handle, + bus_size_t offset, u_int32_t value); + +static void +rmi_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_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_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("XLP bus space: '%s' unimplemented\n", __func__) + +static struct bus_space local_rmi_bus_space = { + /* cookie */ + (void *)0, + + /* mapping/unmapping */ + rmi_bus_space_map, + rmi_bus_space_unmap, + rmi_bus_space_subregion, + + /* allocation/deallocation */ + NULL, + NULL, + + /* barrier */ + rmi_bus_space_barrier, + + /* read (single) */ + rmi_bus_space_read_1, + rmi_bus_space_read_2, + rmi_bus_space_read_4, + NULL, + + /* read multiple */ + rmi_bus_space_read_multi_1, + rmi_bus_space_read_multi_2, + rmi_bus_space_read_multi_4, + NULL, + + /* read region */ + rmi_bus_space_read_region_1, + rmi_bus_space_read_region_2, + rmi_bus_space_read_region_4, + NULL, + + /* write (single) */ + rmi_bus_space_write_1, + rmi_bus_space_write_2, + rmi_bus_space_write_4, + NULL, + + /* write multiple */ + rmi_bus_space_write_multi_1, + rmi_bus_space_write_multi_2, + rmi_bus_space_write_multi_4, + NULL, + + /* write region */ + NULL, + rmi_bus_space_write_region_2, + rmi_bus_space_write_region_4, + NULL, + + /* set multiple */ + NULL, + NULL, + NULL, + NULL, + + /* set region */ + NULL, + rmi_bus_space_set_region_2, + rmi_bus_space_set_region_4, + NULL, + + /* copy */ + NULL, + rmi_bus_space_copy_region_2, + NULL, + NULL, + + /* read (single) stream */ + rmi_bus_space_read_stream_1, + rmi_bus_space_read_stream_2, + rmi_bus_space_read_stream_4, + NULL, + + /* read multiple stream */ + rmi_bus_space_read_multi_stream_1, + rmi_bus_space_read_multi_stream_2, + rmi_bus_space_read_multi_stream_4, + NULL, + + /* read region stream */ + rmi_bus_space_read_region_1, + rmi_bus_space_read_region_2, + rmi_bus_space_read_region_4, + NULL, + + /* write (single) stream */ + rmi_bus_space_write_stream_1, + rmi_bus_space_write_stream_2, + rmi_bus_space_write_stream_4, + NULL, + + /* write multiple stream */ + rmi_bus_space_write_multi_stream_1, + rmi_bus_space_write_multi_stream_2, + rmi_bus_space_write_multi_stream_4, + NULL, + + /* write region stream */ + NULL, + rmi_bus_space_write_region_2, + rmi_bus_space_write_region_4, + NULL, +}; + +/* generic bus_space tag */ +bus_space_tag_t rmi_bus_space = &local_rmi_bus_space; + +/* + * Map a region of device bus space into CPU virtual address space. + */ +static int +rmi_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_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_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_bus_space_read_1(void *tag, bus_space_handle_t handle, + bus_size_t offset) +{ + return (u_int8_t) (*(volatile u_int32_t *)(handle + offset)); +} + +static u_int16_t +rmi_bus_space_read_2(void *tag, bus_space_handle_t handle, + bus_size_t offset) +{ + return (u_int16_t)(*(volatile u_int32_t *)(handle + offset)); +} + +static u_int32_t +rmi_bus_space_read_4(void *tag, bus_space_handle_t handle, + bus_size_t offset) +{ + return (*(volatile u_int32_t *)(handle + offset)); +} + + +/* + * 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_bus_space_read_multi_1(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int8_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_read_multi_2(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int16_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_read_multi_4(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int32_t *addr, size_t count) +{ + TODO(); +} + +/* + * Write the 1, 2, 4, or 8 byte value `value' to bus space + * described by tag/handle/offset. + */ + +static void +rmi_bus_space_write_1(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int8_t value) +{ + *(volatile u_int32_t *)(handle + offset) = (u_int32_t)value; +} + +static void +rmi_bus_space_write_2(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int16_t value) +{ + *(volatile u_int32_t *)(handle + offset) = (u_int32_t)value; +} + +static void +rmi_bus_space_write_4(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int32_t value) +{ + *(volatile u_int32_t *)(handle + offset) = 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_bus_space_write_multi_1(void *tag, bus_space_handle_t handle, + bus_size_t offset, const u_int8_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_write_multi_2(void *tag, bus_space_handle_t handle, + bus_size_t offset, const u_int16_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_write_multi_4(void *tag, bus_space_handle_t handle, + bus_size_t offset, const u_int32_t *addr, size_t count) +{ + TODO(); +} + +/* + * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described + * by tag/handle starting at `offset'. + */ + +static void +rmi_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_int32_t *)(addr)) = value; +} + +static void +rmi_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_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) +{ + printf("bus_space_copy_region_2 - unimplemented\n"); +} + +/* + * 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_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_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_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_bus_space_read_multi_stream_1(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int8_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_read_multi_stream_2(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int16_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_read_multi_stream_4(void *tag, bus_space_handle_t handle, + bus_size_t offset, u_int32_t *addr, size_t count) +{ + TODO(); +} + + +/* + * 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_bus_space_read_region_1(void *t, bus_space_handle_t bsh, + bus_size_t offset, u_int8_t *addr, size_t count) +{ + TODO(); +} + +void +rmi_bus_space_read_region_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, u_int16_t *addr, size_t count) +{ + TODO(); +} + +void +rmi_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_bus_space_write_stream_1(void *t, bus_space_handle_t handle, + bus_size_t offset, u_int8_t value) +{ + TODO(); +} + + +static void +rmi_bus_space_write_stream_2(void *t, bus_space_handle_t handle, + bus_size_t offset, u_int16_t value) +{ + TODO(); +} + + +static void +rmi_bus_space_write_stream_4(void *t, bus_space_handle_t handle, + bus_size_t offset, u_int32_t value) +{ + TODO(); +} + + +static void +rmi_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) +{ + TODO(); +} + +static void +rmi_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) +{ + TODO(); +} + +static void +rmi_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) +{ + TODO(); +} + +void +rmi_bus_space_write_region_2(void *t, + bus_space_handle_t bsh, + bus_size_t offset, + const u_int16_t *addr, + size_t count) +{ + TODO(); +} + +void +rmi_bus_space_write_region_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, const u_int32_t *addr, size_t count) +{ + TODO(); +} + +static void +rmi_bus_space_barrier(void *tag __unused, bus_space_handle_t bsh __unused, + bus_size_t offset __unused, bus_size_t len __unused, int flags) +{ +} |
