/* * linux/arch/arm/plat-omap/common.c * * Code common to all OMAP machines. * The file is created by Tony Lindgren * * Copyright (C) 2009 Texas Instruments * Added OMAP4 support - Santosh Shilimkar * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #define NO_LENGTH_CHECK 0xffffffff struct omap_board_config_kernel *omap_board_config __initdata; int omap_board_config_size; phys_addr_t omap4_total_ram_size; static const void *__init get_config(u16 tag, size_t len, int skip, size_t *len_out) { struct omap_board_config_kernel *kinfo = NULL; int i; /* Try to find the config from the board-specific structures * in the kernel. */ for (i = 0; i < omap_board_config_size; i++) { if (omap_board_config[i].tag == tag) { if (skip == 0) { kinfo = &omap_board_config[i]; break; } else { skip--; } } } if (kinfo == NULL) return NULL; return kinfo->data; } const void *__init __omap_get_config(u16 tag, size_t len, int nr) { return get_config(tag, len, nr, NULL); } const void *__init omap_get_var_config(u16 tag, size_t *len) { return get_config(tag, NO_LENGTH_CHECK, 0, len); } void __init omap_reserve(void) { omapfb_reserve_sdram_memblock(); omap_vram_reserve_sdram_memblock(); omap_dsp_reserve_sdram_memblock(); omap_ipu_reserve_sdram_memblock(); } void omap_init_ram_size(void) { int i; for (i = 0; i < meminfo.nr_banks; i++) omap4_total_ram_size += meminfo.bank[i].size; } phys_addr_t omap_total_ram_size(void) { return omap4_total_ram_size; }