diff options
Diffstat (limited to 'payloads/libpayload/arch/mips/sysinfo.c')
-rw-r--r-- | payloads/libpayload/arch/mips/sysinfo.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/mips/sysinfo.c b/payloads/libpayload/arch/mips/sysinfo.c new file mode 100644 index 0000000000..ab1db63bf0 --- /dev/null +++ b/payloads/libpayload/arch/mips/sysinfo.c @@ -0,0 +1,53 @@ +/* + * 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> +#include <multiboot_tables.h> + +/* + * This is a global structure that is used through the library - we set it + * up initially with some dummy values - hopefully they will be overridden. + */ +struct sysinfo_t lib_sysinfo = { + .cpu_khz = 200, +}; + +int lib_get_sysinfo(void) +{ + int ret; + + /* Get the CPU speed (for delays). */ + lib_sysinfo.cpu_khz = get_cpu_speed(); + + /* Get information from the coreboot tables, + * if they exist */ + ret = get_coreboot_info(&lib_sysinfo); + + /* If we can't get a good memory range, use the default. */ + if (!lib_sysinfo.n_memranges) { + lib_sysinfo.n_memranges = 1; + lib_sysinfo.memrange[0].base = 0; + lib_sysinfo.memrange[0].size = 1024 * 1024; + lib_sysinfo.memrange[0].type = CB_MEM_RAM; + } + + return ret; +} |