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authorStefan Reinauer <stepan@coreboot.org>2010-12-11 20:33:41 +0000
committerStefan Reinauer <stepan@openbios.org>2010-12-11 20:33:41 +0000
commit8677a23d5b053d550f70246de9c7dc8fd4e2fbf9 (patch)
treed9a7c6042de85d623739e2679ba90c66aad2797f /src/arch/i386/boot/coreboot_table.c
parent198cb96387c457affa01696405ffaa4531e8e361 (diff)
After this has been brought up many times before, rename src/arch/i386 to
src/arch/x86. Signed-off-by: Stefan Reinauer <stepan@coreboot.org> Acked-by: Patrick Georgi <patrick@georgi-clan.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6161 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/i386/boot/coreboot_table.c')
-rw-r--r--src/arch/i386/boot/coreboot_table.c600
1 files changed, 0 insertions, 600 deletions
diff --git a/src/arch/i386/boot/coreboot_table.c b/src/arch/i386/boot/coreboot_table.c
deleted file mode 100644
index 484340c96a..0000000000
--- a/src/arch/i386/boot/coreboot_table.c
+++ /dev/null
@@ -1,600 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2003-2004 Eric Biederman
- * Copyright (C) 2005-2010 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of
- * the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#include <console/console.h>
-#include <ip_checksum.h>
-#include <boot/tables.h>
-#include <boot/coreboot_tables.h>
-#include <arch/coreboot_tables.h>
-#include <string.h>
-#include <version.h>
-#include <device/device.h>
-#include <stdlib.h>
-#if (CONFIG_USE_OPTION_TABLE == 1)
-#include <option_table.h>
-#endif
-
-static struct lb_header *lb_table_init(unsigned long addr)
-{
- struct lb_header *header;
-
- /* 16 byte align the address */
- addr += 15;
- addr &= ~15;
-
- header = (void *)addr;
- header->signature[0] = 'L';
- header->signature[1] = 'B';
- header->signature[2] = 'I';
- header->signature[3] = 'O';
- header->header_bytes = sizeof(*header);
- header->header_checksum = 0;
- header->table_bytes = 0;
- header->table_checksum = 0;
- header->table_entries = 0;
- return header;
-}
-
-static struct lb_record *lb_first_record(struct lb_header *header)
-{
- struct lb_record *rec;
- rec = (void *)(((char *)header) + sizeof(*header));
- return rec;
-}
-
-static struct lb_record *lb_last_record(struct lb_header *header)
-{
- struct lb_record *rec;
- rec = (void *)(((char *)header) + sizeof(*header) + header->table_bytes);
- return rec;
-}
-
-#if 0
-static struct lb_record *lb_next_record(struct lb_record *rec)
-{
- rec = (void *)(((char *)rec) + rec->size);
- return rec;
-}
-#endif
-
-static struct lb_record *lb_new_record(struct lb_header *header)
-{
- struct lb_record *rec;
- rec = lb_last_record(header);
- if (header->table_entries) {
- header->table_bytes += rec->size;
- }
- rec = lb_last_record(header);
- header->table_entries++;
- rec->tag = LB_TAG_UNUSED;
- rec->size = sizeof(*rec);
- return rec;
-}
-
-
-static struct lb_memory *lb_memory(struct lb_header *header)
-{
- struct lb_record *rec;
- struct lb_memory *mem;
- rec = lb_new_record(header);
- mem = (struct lb_memory *)rec;
- mem->tag = LB_TAG_MEMORY;
- mem->size = sizeof(*mem);
- return mem;
-}
-
-static struct lb_serial *lb_serial(struct lb_header *header)
-{
-#if CONFIG_CONSOLE_SERIAL8250
- struct lb_record *rec;
- struct lb_serial *serial;
- rec = lb_new_record(header);
- serial = (struct lb_serial *)rec;
- serial->tag = LB_TAG_SERIAL;
- serial->size = sizeof(*serial);
- serial->ioport = CONFIG_TTYS0_BASE;
- serial->baud = CONFIG_TTYS0_BAUD;
- return serial;
-#else
- return header;
-#endif
-}
-
-static void add_console(struct lb_header *header, u16 consoletype)
-{
- struct lb_console *console;
-
- console = (struct lb_console *)lb_new_record(header);
- console->tag = LB_TAG_CONSOLE;
- console->size = sizeof(*console);
- console->type = consoletype;
-}
-
-static void lb_console(struct lb_header *header)
-{
-#if CONFIG_CONSOLE_SERIAL8250
- add_console(header, LB_TAG_CONSOLE_SERIAL8250);
-#endif
-#if CONFIG_CONSOLE_LOGBUF
- add_console(header, LB_TAG_CONSOLE_LOGBUF);
-#endif
-#if CONFIG_USBDEBUG
- add_console(header, LB_TAG_CONSOLE_EHCI);
-#endif
-}
-
-static void lb_framebuffer(struct lb_header *header)
-{
-#if defined(CONFIG_BOOTSPLASH) && CONFIG_BOOTSPLASH && CONFIG_COREBOOT_KEEP_FRAMEBUFFER
- void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
-
- struct lb_framebuffer *framebuffer;
- framebuffer = (struct lb_framebuffer *)lb_new_record(header);
- framebuffer->tag = LB_TAG_FRAMEBUFFER;
- framebuffer->size = sizeof(*framebuffer);
- fill_lb_framebuffer(framebuffer);
-#endif
-}
-
-static struct lb_mainboard *lb_mainboard(struct lb_header *header)
-{
- struct lb_record *rec;
- struct lb_mainboard *mainboard;
- rec = lb_new_record(header);
- mainboard = (struct lb_mainboard *)rec;
- mainboard->tag = LB_TAG_MAINBOARD;
-
- mainboard->size = (sizeof(*mainboard) +
- strlen(mainboard_vendor) + 1 +
- strlen(mainboard_part_number) + 1 +
- 3) & ~3;
-
- mainboard->vendor_idx = 0;
- mainboard->part_number_idx = strlen(mainboard_vendor) + 1;
-
- memcpy(mainboard->strings + mainboard->vendor_idx,
- mainboard_vendor, strlen(mainboard_vendor) + 1);
- memcpy(mainboard->strings + mainboard->part_number_idx,
- mainboard_part_number, strlen(mainboard_part_number) + 1);
-
- return mainboard;
-}
-
-#if (CONFIG_USE_OPTION_TABLE == 1)
-static struct cmos_checksum *lb_cmos_checksum(struct lb_header *header)
-{
- struct lb_record *rec;
- struct cmos_checksum *cmos_checksum;
- rec = lb_new_record(header);
- cmos_checksum = (struct cmos_checksum *)rec;
- cmos_checksum->tag = LB_TAG_OPTION_CHECKSUM;
-
- cmos_checksum->size = (sizeof(*cmos_checksum));
-
- cmos_checksum->range_start = LB_CKS_RANGE_START * 8;
- cmos_checksum->range_end = ( LB_CKS_RANGE_END * 8 ) + 7;
- cmos_checksum->location = LB_CKS_LOC * 8;
- cmos_checksum->type = CHECKSUM_PCBIOS;
-
- return cmos_checksum;
-}
-#endif
-
-static void lb_strings(struct lb_header *header)
-{
- static const struct {
- uint32_t tag;
- const char *string;
- } strings[] = {
- { LB_TAG_VERSION, coreboot_version, },
- { LB_TAG_EXTRA_VERSION, coreboot_extra_version, },
- { LB_TAG_BUILD, coreboot_build, },
- { LB_TAG_COMPILE_TIME, coreboot_compile_time, },
- { LB_TAG_COMPILE_BY, coreboot_compile_by, },
- { LB_TAG_COMPILE_HOST, coreboot_compile_host, },
- { LB_TAG_COMPILE_DOMAIN, coreboot_compile_domain, },
- { LB_TAG_COMPILER, coreboot_compiler, },
- { LB_TAG_LINKER, coreboot_linker, },
- { LB_TAG_ASSEMBLER, coreboot_assembler, },
- };
- unsigned int i;
- for(i = 0; i < ARRAY_SIZE(strings); i++) {
- struct lb_string *rec;
- size_t len;
- rec = (struct lb_string *)lb_new_record(header);
- len = strlen(strings[i].string);
- rec->tag = strings[i].tag;
- rec->size = (sizeof(*rec) + len + 1 + 3) & ~3;
- memcpy(rec->string, strings[i].string, len+1);
- }
-
-}
-
-#if CONFIG_WRITE_HIGH_TABLES == 1
-static struct lb_forward *lb_forward(struct lb_header *header, struct lb_header *next_header)
-{
- struct lb_record *rec;
- struct lb_forward *forward;
- rec = lb_new_record(header);
- forward = (struct lb_forward *)rec;
- forward->tag = LB_TAG_FORWARD;
- forward->size = sizeof(*forward);
- forward->forward = (uint64_t)(unsigned long)next_header;
- return forward;
-}
-#endif
-
-void lb_memory_range(struct lb_memory *mem,
- uint32_t type, uint64_t start, uint64_t size)
-{
- int entries;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
- mem->map[entries].start = pack_lb64(start);
- mem->map[entries].size = pack_lb64(size);
- mem->map[entries].type = type;
- mem->size += sizeof(mem->map[0]);
-}
-
-static void lb_reserve_table_memory(struct lb_header *head)
-{
- struct lb_record *last_rec;
- struct lb_memory *mem;
- uint64_t start;
- uint64_t end;
- int i, entries;
-
- last_rec = lb_last_record(head);
- mem = get_lb_mem();
- start = (unsigned long)head;
- end = (unsigned long)last_rec;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
- /* Resize the right two memory areas so this table is in
- * a reserved area of memory. Everything has been carefully
- * setup so that is all we need to do.
- */
- for(i = 0; i < entries; i++ ) {
- uint64_t map_start = unpack_lb64(mem->map[i].start);
- uint64_t map_end = map_start + unpack_lb64(mem->map[i].size);
- /* Does this area need to be expanded? */
- if (map_end == start) {
- mem->map[i].size = pack_lb64(end - map_start);
- }
- /* Does this area need to be contracted? */
- else if (map_start == start) {
- mem->map[i].start = pack_lb64(end);
- mem->map[i].size = pack_lb64(map_end - end);
- }
- }
-}
-
-static unsigned long lb_table_fini(struct lb_header *head, int fixup)
-{
- struct lb_record *rec, *first_rec;
- rec = lb_last_record(head);
- if (head->table_entries) {
- head->table_bytes += rec->size;
- }
-
- if (fixup)
- lb_reserve_table_memory(head);
-
- first_rec = lb_first_record(head);
- head->table_checksum = compute_ip_checksum(first_rec, head->table_bytes);
- head->header_checksum = 0;
- head->header_checksum = compute_ip_checksum(head, sizeof(*head));
- printk(BIOS_DEBUG, "Wrote coreboot table at: %p - %p checksum %x\n",
- head, rec, head->table_checksum);
- return (unsigned long)rec;
-}
-
-static void lb_cleanup_memory_ranges(struct lb_memory *mem)
-{
- int entries;
- int i, j;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
-
- /* Sort the lb memory ranges */
- for(i = 0; i < entries; i++) {
- uint64_t entry_start = unpack_lb64(mem->map[i].start);
- for(j = i; j < entries; j++) {
- uint64_t temp_start = unpack_lb64(mem->map[j].start);
- if (temp_start < entry_start) {
- struct lb_memory_range tmp;
- tmp = mem->map[i];
- mem->map[i] = mem->map[j];
- mem->map[j] = tmp;
- }
- }
- }
-
- /* Merge adjacent entries */
- for(i = 0; (i + 1) < entries; i++) {
- uint64_t start, end, nstart, nend;
- if (mem->map[i].type != mem->map[i + 1].type) {
- continue;
- }
- start = unpack_lb64(mem->map[i].start);
- end = start + unpack_lb64(mem->map[i].size);
- nstart = unpack_lb64(mem->map[i + 1].start);
- nend = nstart + unpack_lb64(mem->map[i + 1].size);
- if ((start <= nstart) && (end > nstart)) {
- if (start > nstart) {
- start = nstart;
- }
- if (end < nend) {
- end = nend;
- }
- /* Record the new region size */
- mem->map[i].start = pack_lb64(start);
- mem->map[i].size = pack_lb64(end - start);
-
- /* Delete the entry I have merged with */
- memmove(&mem->map[i + 1], &mem->map[i + 2],
- ((entries - i - 2) * sizeof(mem->map[0])));
- mem->size -= sizeof(mem->map[0]);
- entries -= 1;
- /* See if I can merge with the next entry as well */
- i -= 1;
- }
- }
-}
-
-static void lb_remove_memory_range(struct lb_memory *mem,
- uint64_t start, uint64_t size)
-{
- uint64_t end;
- int entries;
- int i;
-
- end = start + size;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
-
- /* Remove a reserved area from the memory map */
- for(i = 0; i < entries; i++) {
- uint64_t map_start = unpack_lb64(mem->map[i].start);
- uint64_t map_end = map_start + unpack_lb64(mem->map[i].size);
- if ((start <= map_start) && (end >= map_end)) {
- /* Remove the completely covered range */
- memmove(&mem->map[i], &mem->map[i + 1],
- ((entries - i - 1) * sizeof(mem->map[0])));
- mem->size -= sizeof(mem->map[0]);
- entries -= 1;
- /* Since the index will disappear revisit what will appear here */
- i -= 1;
- }
- else if ((start > map_start) && (end < map_end)) {
- /* Split the memory range */
- memmove(&mem->map[i + 1], &mem->map[i],
- ((entries - i) * sizeof(mem->map[0])));
- mem->size += sizeof(mem->map[0]);
- entries += 1;
- /* Update the first map entry */
- mem->map[i].size = pack_lb64(start - map_start);
- /* Update the second map entry */
- mem->map[i + 1].start = pack_lb64(end);
- mem->map[i + 1].size = pack_lb64(map_end - end);
- /* Don't bother with this map entry again */
- i += 1;
- }
- else if ((start <= map_start) && (end > map_start)) {
- /* Shrink the start of the memory range */
- mem->map[i].start = pack_lb64(end);
- mem->map[i].size = pack_lb64(map_end - end);
- }
- else if ((start < map_end) && (start > map_start)) {
- /* Shrink the end of the memory range */
- mem->map[i].size = pack_lb64(start - map_start);
- }
- }
-}
-
-/* This function is used in mainboard specific code, too */
-void lb_add_memory_range(struct lb_memory *mem,
- uint32_t type, uint64_t start, uint64_t size)
-{
- lb_remove_memory_range(mem, start, size);
- lb_memory_range(mem, type, start, size);
- lb_cleanup_memory_ranges(mem);
-}
-
-static void lb_dump_memory_ranges(struct lb_memory *mem)
-{
- int entries;
- int i;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
-
- printk(BIOS_DEBUG, "coreboot memory table:\n");
- for(i = 0; i < entries; i++) {
- uint64_t entry_start = unpack_lb64(mem->map[i].start);
- uint64_t entry_size = unpack_lb64(mem->map[i].size);
- const char *entry_type;
-
- switch (mem->map[i].type) {
- case LB_MEM_RAM: entry_type="RAM"; break;
- case LB_MEM_RESERVED: entry_type="RESERVED"; break;
- case LB_MEM_ACPI: entry_type="ACPI"; break;
- case LB_MEM_NVS: entry_type="NVS"; break;
- case LB_MEM_UNUSABLE: entry_type="UNUSABLE"; break;
- case LB_MEM_VENDOR_RSVD: entry_type="VENDOR RESERVED"; break;
- case LB_MEM_TABLE: entry_type="CONFIGURATION TABLES"; break;
- default: entry_type="UNKNOWN!"; break;
- }
-
- printk(BIOS_DEBUG, "%2d. %016llx-%016llx: %s\n",
- i, entry_start, entry_start+entry_size-1, entry_type);
-
- }
-}
-
-
-/* Routines to extract part so the coreboot table or
- * information from the coreboot table after we have written it.
- * Currently get_lb_mem relies on a global we can change the
- * implementaiton.
- */
-static struct lb_memory *mem_ranges = 0;
-struct lb_memory *get_lb_mem(void)
-{
- return mem_ranges;
-}
-
-static void build_lb_mem_range(void *gp, struct device *dev, struct resource *res)
-{
- struct lb_memory *mem = gp;
- lb_memory_range(mem, LB_MEM_RAM, res->base, res->size);
-}
-
-static struct lb_memory *build_lb_mem(struct lb_header *head)
-{
- struct lb_memory *mem;
-
- /* Record where the lb memory ranges will live */
- mem = lb_memory(head);
- mem_ranges = mem;
-
- /* Build the raw table of memory */
- search_global_resources(
- IORESOURCE_MEM | IORESOURCE_CACHEABLE, IORESOURCE_MEM | IORESOURCE_CACHEABLE,
- build_lb_mem_range, mem);
- lb_cleanup_memory_ranges(mem);
- return mem;
-}
-
-static void lb_add_rsvd_range(void *gp, struct device *dev, struct resource *res)
-{
- struct lb_memory *mem = gp;
- lb_add_memory_range(mem, LB_MEM_RESERVED, res->base, res->size);
-}
-
-static void add_lb_reserved(struct lb_memory *mem)
-{
- /* Add reserved ranges */
- search_global_resources(
- IORESOURCE_MEM | IORESOURCE_RESERVE, IORESOURCE_MEM | IORESOURCE_RESERVE,
- lb_add_rsvd_range, mem);
-}
-
-#if CONFIG_WRITE_HIGH_TABLES == 1
-extern uint64_t high_tables_base, high_tables_size;
-#endif
-
-unsigned long write_coreboot_table(
- unsigned long low_table_start, unsigned long low_table_end,
- unsigned long rom_table_start, unsigned long rom_table_end)
-{
- struct lb_header *head;
- struct lb_memory *mem;
-
-#if CONFIG_WRITE_HIGH_TABLES == 1
- printk(BIOS_DEBUG, "Writing high table forward entry at 0x%08lx\n",
- low_table_end);
- head = lb_table_init(low_table_end);
- lb_forward(head, (struct lb_header*)rom_table_end);
-
- low_table_end = (unsigned long) lb_table_fini(head, 0);
- printk(BIOS_DEBUG, "New low_table_end: 0x%08lx\n", low_table_end);
- printk(BIOS_DEBUG, "Now going to write high coreboot table at 0x%08lx\n",
- rom_table_end);
-
- head = lb_table_init(rom_table_end);
- rom_table_end = (unsigned long)head;
- printk(BIOS_DEBUG, "rom_table_end = 0x%08lx\n", rom_table_end);
-#else
- if(low_table_end > (0x1000 - sizeof(struct lb_header))) { /* after 4K */
- /* We need to put lbtable on to [0xf0000,0x100000) */
- head = lb_table_init(rom_table_end);
- rom_table_end = (unsigned long)head;
- } else {
- head = lb_table_init(low_table_end);
- low_table_end = (unsigned long)head;
- }
-#endif
-
- printk(BIOS_DEBUG, "Adjust low_table_end from 0x%08lx to ", low_table_end);
- low_table_end += 0xfff; // 4K aligned
- low_table_end &= ~0xfff;
- printk(BIOS_DEBUG, "0x%08lx \n", low_table_end);
-
- /* The Linux kernel assumes this region is reserved */
- printk(BIOS_DEBUG, "Adjust rom_table_end from 0x%08lx to ", rom_table_end);
- rom_table_end += 0xffff; // 64K align
- rom_table_end &= ~0xffff;
- printk(BIOS_DEBUG, "0x%08lx \n", rom_table_end);
-
-#if (CONFIG_USE_OPTION_TABLE == 1)
- {
- struct lb_record *rec_dest = lb_new_record(head);
- /* Copy the option config table, it's already a lb_record... */
- memcpy(rec_dest, &option_table, option_table.size);
- /* Create cmos checksum entry in coreboot table */
- lb_cmos_checksum(head);
- }
-#endif
- /* Record where RAM is located */
- mem = build_lb_mem(head);
-
- /* Record the mptable and the the lb_table (This will be adjusted later) */
- lb_add_memory_range(mem, LB_MEM_TABLE,
- low_table_start, low_table_end - low_table_start);
-
- /* Record the pirq table, acpi tables, and maybe the mptable */
- lb_add_memory_range(mem, LB_MEM_TABLE,
- rom_table_start, rom_table_end-rom_table_start);
-
-#if CONFIG_WRITE_HIGH_TABLES == 1
- printk(BIOS_DEBUG, "Adding high table area\n");
- // should this be LB_MEM_ACPI?
- lb_add_memory_range(mem, LB_MEM_TABLE,
- high_tables_base, high_tables_size);
-#endif
-
- /* Add reserved regions */
- add_lb_reserved(mem);
-
-#if (CONFIG_HAVE_MAINBOARD_RESOURCES == 1)
- add_mainboard_resources(mem);
-#endif
-
- lb_dump_memory_ranges(mem);
-
- /* Note:
- * I assume that there is always memory at immediately after
- * the low_table_end. This means that after I setup the coreboot table.
- * I can trivially fixup the reserved memory ranges to hold the correct
- * size of the coreboot table.
- */
-
- /* Record our motherboard */
- lb_mainboard(head);
- /* Record the serial port, if present */
- lb_serial(head);
- /* Record our console setup */
- lb_console(head);
- /* Record our various random string information */
- lb_strings(head);
- /* Record our framebuffer */
- lb_framebuffer(head);
-
- /* Remember where my valid memory ranges are */
- return lb_table_fini(head, 1);
-
-}