diff options
| -rw-r--r-- | common/spl/spl.c | 46 | ||||
| -rw-r--r-- | include/asm-generic/global_data.h | 1 | ||||
| -rw-r--r-- | include/spl.h | 24 |
3 files changed, 57 insertions, 14 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c index 766fb3d..2bc8b42 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -170,22 +170,20 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) image_entry(); } -int spl_init(void) +static int spl_common_init(bool setup_malloc) { int ret; - debug("spl_init()\n"); -/* - * with CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN we set malloc_base and - * malloc_limit in spl_relocate_stack_gd - */ -#if defined(CONFIG_SYS_MALLOC_F_LEN) && \ - !defined(CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) + debug("spl_early_init()\n"); + +#if defined(CONFIG_SYS_MALLOC_F_LEN) + if (setup_malloc) { #ifdef CONFIG_MALLOC_F_ADDR - gd->malloc_base = CONFIG_MALLOC_F_ADDR; + gd->malloc_base = CONFIG_MALLOC_F_ADDR; #endif - gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN; - gd->malloc_ptr = 0; + gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN; + gd->malloc_ptr = 0; + } #endif if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) { ret = fdtdec_setup(); @@ -202,6 +200,32 @@ int spl_init(void) return ret; } } + + return 0; +} + +int spl_early_init(void) +{ + int ret; + + ret = spl_common_init(true); + if (ret) + return ret; + gd->flags |= GD_FLG_SPL_EARLY_INIT; + + return 0; +} + +int spl_init(void) +{ + int ret; + + if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) { + ret = spl_common_init( + !IS_ENABLED(CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN)); + if (ret) + return ret; + } gd->flags |= GD_FLG_SPL_INIT; return 0; diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index e02863d..5b356dd 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -127,5 +127,6 @@ typedef struct global_data { #define GD_FLG_SKIP_RELOC 0x00800 /* Don't relocate */ #define GD_FLG_RECORD 0x01000 /* Record console */ #define GD_FLG_ENV_DEFAULT 0x02000 /* Default variable flag */ +#define GD_FLG_SPL_EARLY_INIT 0x04000 /* Early SPL init is done */ #endif /* __ASM_GENERIC_GBL_DATA_H */ diff --git a/include/spl.h b/include/spl.h index bde4437..cdd196d 100644 --- a/include/spl.h +++ b/include/spl.h @@ -213,11 +213,29 @@ int spl_load_image_ext_os(struct spl_image_info *spl_image, struct blk_desc *block_dev, int partition); /** - * spl_init() - Set up device tree and driver model in SPL if enabled + * spl_early_init() - Set up device tree and driver model in SPL if enabled * * Call this function in board_init_f() if you want to use device tree and - * driver model early, before board_init_r() is called. This function will - * be called from board_init_r() if not called earlier. + * driver model early, before board_init_r() is called. + * + * If this is not called, then driver model will be inactive in SPL's + * board_init_f(), and no device tree will be available. + */ +int spl_early_init(void); + +/** + * spl_init() - Set up device tree and driver model in SPL if enabled + * + * You can optionally call spl_early_init(), then optionally call spl_init(). + * This function will be called from board_init_r() if not called earlier. + * + * Both spl_early_init() and spl_init() perform a similar function except that + * the latter will not set up the malloc() area if + * CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN is enabled, since it is assumed to + * already be done by a calll to spl_relocate_stack_gd() before board_init_r() + * is reached. + * + * This function will be called from board_init_r() if not called earlier. * * If this is not called, then driver model will be inactive in SPL's * board_init_f(), and no device tree will be available. |