/*- * Copyright (c) 2009 RMI Corporation * 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 THE AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include void xlr_print_int(uint32_t); 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); 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; #define MIPS_BUS_SPACE_IO 0 /* space is i/o space */ #define MIPS_BUS_SPACE_MEM 1 /* space is mem space */ #define MIPS_BUS_SPACE_PCI 10 /* avoid conflict with other spaces */ #define BUS_SPACE_UNRESTRICTED (~0) #define SWAP32(x)\ (((x) & 0xff000000) >> 24) | \ (((x) & 0x000000ff) << 24) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x00ff0000) >> 8) #define SWAP16(x)\ (((x) & 0xff00) >> 8) | \ (((x) & 0x00ff) << 8) /* * 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) { if ((int)tag == MIPS_BUS_SPACE_PCI) return (u_int8_t) (*(volatile u_int8_t *)(handle + offset)); else 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) { if ((int)tag == MIPS_BUS_SPACE_PCI) return SWAP16((u_int16_t) (*(volatile u_int16_t *)(handle + offset))); else return *(volatile u_int16_t *)(handle + offset); } static u_int32_t rmi_bus_space_read_4(void *tag, bus_space_handle_t handle, bus_size_t offset) { if ((int)tag == MIPS_BUS_SPACE_PCI) return SWAP32((*(volatile u_int32_t *)(handle + offset))); else 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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { *addr = (*(volatile u_int8_t *)(handle + offset)); addr++; } } 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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { *addr = *(volatile u_int16_t *)(handle + offset); *addr = SWAP16(*addr); addr++; } } 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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { *addr = *(volatile u_int32_t *)(handle + offset); *addr = SWAP32(*addr); addr++; } } /* * 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) { mips_sync(); if ((int)tag == MIPS_BUS_SPACE_PCI) *(volatile u_int8_t *)(handle + offset) = value; else *(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) { mips_sync(); if ((int)tag == MIPS_BUS_SPACE_PCI) { *(volatile u_int16_t *)(handle + offset) = SWAP16(value); } else *(volatile u_int16_t *)(handle + offset) = value; } static void rmi_bus_space_write_4(void *tag, bus_space_handle_t handle, bus_size_t offset, u_int32_t value) { mips_sync(); if ((int)tag == MIPS_BUS_SPACE_PCI) { *(volatile u_int32_t *)(handle + offset) = SWAP32(value); } else *(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) { mips_sync(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int8_t *)(handle + offset)) = *addr; addr++; } } 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) { mips_sync(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int16_t *)(handle + offset)) = SWAP16(*addr); addr++; } } 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) { mips_sync(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int32_t *)(handle + offset)) = SWAP32(*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_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_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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { *addr = (*(volatile u_int8_t *)(handle + offset)); addr++; } } 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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { *addr = (*(volatile u_int16_t *)(handle + offset)); addr++; } } 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) { if ((int)tag != MIPS_BUS_SPACE_PCI) return; 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_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_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_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) { mips_sync(); *(volatile u_int8_t *)(handle + offset) = value; } static void rmi_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_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_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(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int8_t *)(handle + offset)) = *addr; addr++; } } 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) { mips_sync(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int16_t *)(handle + offset)) = *addr; addr++; } } 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) { mips_sync(); if ((int)tag != MIPS_BUS_SPACE_PCI) return; while (count--) { (*(volatile u_int32_t *)(handle + offset)) = *addr; addr++; } } 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) { bus_addr_t baddr = (bus_addr_t) bsh + offset; while (count--) { (*(volatile u_int16_t *)(baddr)) = *addr; addr++; baddr += 2; } } 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) { bus_addr_t baddr = bsh + offset; while (count--) { (*(volatile u_int32_t *)(baddr)) = *addr; addr++; baddr += 4; } } 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) { }