diff options
| -rw-r--r-- | common/spl/spl.c | 35 | ||||
| -rw-r--r-- | include/asm-generic/global_data.h | 1 | ||||
| -rw-r--r-- | include/spl.h | 12 |
3 files changed, 37 insertions, 11 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c index aeb0645..074c41d 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -148,18 +148,12 @@ static void spl_ram_load_image(void) } #endif -void board_init_r(gd_t *dummy1, ulong dummy2) +int spl_init(void) { - u32 boot_device; int ret; - debug(">>spl:board_init_r()\n"); - -#if defined(CONFIG_SYS_SPL_MALLOC_START) - mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, - CONFIG_SYS_SPL_MALLOC_SIZE); - gd->flags |= GD_FLG_FULL_MALLOC_INIT; -#elif defined(CONFIG_SYS_MALLOC_F_LEN) + debug("spl_init()\n"); +#if defined(CONFIG_SYS_MALLOC_F_LEN) gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN; gd->malloc_ptr = 0; #endif @@ -168,17 +162,36 @@ void board_init_r(gd_t *dummy1, ulong dummy2) ret = fdtdec_setup(); if (ret) { debug("fdtdec_setup() returned error %d\n", ret); - hang(); + return ret; } } if (IS_ENABLED(CONFIG_SPL_DM)) { ret = dm_init_and_scan(true); if (ret) { debug("dm_init_and_scan() returned error %d\n", ret); - hang(); + return ret; } } + gd->flags |= GD_FLG_SPL_INIT; + + return 0; +} +void board_init_r(gd_t *dummy1, ulong dummy2) +{ + u32 boot_device; + + debug(">>spl:board_init_r()\n"); + +#if defined(CONFIG_SYS_SPL_MALLOC_START) + mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, + CONFIG_SYS_SPL_MALLOC_SIZE); + gd->flags |= GD_FLG_FULL_MALLOC_INIT; +#endif + if (!(gd->flags & GD_FLG_SPL_INIT)) { + if (spl_init()) + hang(); + } #ifndef CONFIG_PPC /* * timer_init() does not exist on PPC systems. The timer is initialized diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index db0550b..7ef3e25 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -116,5 +116,6 @@ typedef struct global_data { #define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ #define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */ #define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */ +#define GD_FLG_SPL_INIT 0x00400 /* spl_init() has been called */ #endif /* __ASM_GENERIC_GBL_DATA_H */ diff --git a/include/spl.h b/include/spl.h index d19940f..8e53426 100644 --- a/include/spl.h +++ b/include/spl.h @@ -81,6 +81,18 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image); int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename); int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition); +/** + * spl_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. + * + * 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_init(void); + #ifdef CONFIG_SPL_BOARD_INIT void spl_board_init(void); #endif |