1/* SPDX-License-Identifier: GPL-2.0+ */ 2 3#ifndef __SYSTEM_CONSTANTS_H__ 4#define __SYSTEM_CONSTANTS_H__ 5 6#include <config.h> 7 8/* 9 * The most common case for our initial stack pointer address is to 10 * say that we have defined a static intiial ram address location and 11 * size and from that we subtract the generated global data size. 12 */ 13#ifdef CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR 14#define SYS_INIT_SP_ADDR CONFIG_CUSTOM_SYS_INIT_SP_ADDR 15#else 16#ifdef CONFIG_MIPS 17#define SYS_INIT_SP_ADDR (CFG_SYS_SDRAM_BASE + CFG_SYS_INIT_SP_OFFSET) 18#else 19#define SYS_INIT_SP_ADDR \ 20 (CFG_SYS_INIT_RAM_ADDR + CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 21#endif 22#endif 23 24/* 25 * Typically, we have the SPL malloc pool at the end of the BSS area. 26 */ 27#ifdef CONFIG_SPL_HAS_CUSTOM_MALLOC_START 28#define SPL_SYS_MALLOC_START CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR 29#elif defined(CONFIG_SPL_BSS_START_ADDR) 30#define SPL_SYS_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 31 CONFIG_SPL_BSS_MAX_SIZE) 32#else 33/* feature not enabled: this value avoids compiler errors but is not used */ 34#define SPL_SYS_MALLOC_START 0 35#endif 36#define SPL_SYS_MALLOC_SIZE \ 37 IF_ENABLED_INT(CONFIG_SPL_SYS_MALLOC, CONFIG_SPL_SYS_MALLOC_SIZE) 38 39/* deal with an optional value */ 40#ifdef CONFIG_SPL_OS_BOOT 41#define SPL_PAYLOAD_ARGS_ADDR CONFIG_SPL_PAYLOAD_ARGS_ADDR 42#else 43#define SPL_PAYLOAD_ARGS_ADDR 0 44#endif 45 46/* Number of pages per block */ 47#define SYS_NAND_BLOCK_PAGES \ 48 (CONFIG_SYS_NAND_BLOCK_SIZE / CONFIG_SYS_NAND_PAGE_SIZE) 49 50#endif 51