diff options
Diffstat (limited to 'payloads/libpayload/arch/mips/coreboot.c')
| -rw-r--r-- | payloads/libpayload/arch/mips/coreboot.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/mips/coreboot.c b/payloads/libpayload/arch/mips/coreboot.c new file mode 100644 index 0000000000..66ad907356 --- /dev/null +++ b/payloads/libpayload/arch/mips/coreboot.c @@ -0,0 +1,55 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2014 Imagination Technologies + * + * 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 <libpayload-config.h> +#include <libpayload.h> +#include <coreboot_tables.h> + +/* This pointer gets set in head.S and is passed in from coreboot. */ +void *cb_header_ptr; + +static void cb_parse_dma(void *ptr) +{ + struct lb_range *dma = (struct lb_range *)ptr; + init_dma_memory(phys_to_virt(dma->range_start), dma->range_size); +} + +/* Architecture specific */ +int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info) +{ + switch (rec->tag) { + case CB_TAG_DMA: + cb_parse_dma(rec); + break; + default: + return 0; + } + return 1; + +} + +int get_coreboot_info(struct sysinfo_t *info) +{ + return cb_parse_header(cb_header_ptr, 1, info); +} + +void *get_cb_header_ptr(void) +{ + return cb_header_ptr; +} |