diff options
Diffstat (limited to 'include/system-constants.h')
| -rw-r--r-- | include/system-constants.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/system-constants.h b/include/system-constants.h new file mode 100644 index 00000000000..e09fc418a47 --- /dev/null +++ b/include/system-constants.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __SYSTEM_CONSTANTS_H__ +#define __SYSTEM_CONSTANTS_H__ + +#include <config.h> + +/* + * The most common case for our initial stack pointer address is to + * say that we have defined a static intiial ram address location and + * size and from that we subtract the generated global data size. + */ +#ifdef CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR +#define SYS_INIT_SP_ADDR CONFIG_CUSTOM_SYS_INIT_SP_ADDR +#else +#ifdef CONFIG_MIPS +#define SYS_INIT_SP_ADDR (CFG_SYS_SDRAM_BASE + CFG_SYS_INIT_SP_OFFSET) +#else +#define SYS_INIT_SP_ADDR \ + (CFG_SYS_INIT_RAM_ADDR + CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#endif +#endif + +/* + * Typically, we have the SPL malloc pool at the end of the BSS area. + */ +#ifdef CONFIG_SPL_HAS_CUSTOM_MALLOC_START +#define SPL_SYS_MALLOC_START CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR +#elif defined(CONFIG_SPL_BSS_START_ADDR) +#define SPL_SYS_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ + CONFIG_SPL_BSS_MAX_SIZE) +#else +/* feature not enabled: this value avoids compiler errors but is not used */ +#define SPL_SYS_MALLOC_START 0 +#endif +#define SPL_SYS_MALLOC_SIZE \ + IF_ENABLED_INT(CONFIG_SPL_SYS_MALLOC, CONFIG_SPL_SYS_MALLOC_SIZE) + +/* deal with an optional value */ +#ifdef CONFIG_SPL_OS_BOOT +#define SPL_PAYLOAD_ARGS_ADDR CONFIG_SPL_PAYLOAD_ARGS_ADDR +#else +#define SPL_PAYLOAD_ARGS_ADDR 0 +#endif + +/* Number of pages per block */ +#define SYS_NAND_BLOCK_PAGES \ + (CONFIG_SYS_NAND_BLOCK_SIZE / CONFIG_SYS_NAND_PAGE_SIZE) + +#endif |