diff --git a/include/lmb.h b/include/lmb.h index 837002121d9..e46abf400c6 100644 --- a/include/lmb.h +++ b/include/lmb.h @@ -168,6 +168,8 @@ long lmb_free(phys_addr_t base, phys_size_t size); void lmb_dump_all(void); void lmb_dump_all_force(void); +void lmb_arch_add_memory(void); + struct lmb *lmb_get(void); int lmb_push(struct lmb *store); void lmb_pop(struct lmb *store); diff --git a/lib/Kconfig b/lib/Kconfig index 67a60160dac..3d2011ad4b7 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -1119,6 +1119,24 @@ config SPL_LMB SPL. This will require a malloc() implementation for defining the data structures needed for maintaining the LMB memory map. +config LMB_ARCH_MEM_MAP + bool "Add an architecture specific memory map" + depends on LMB + help + Some architectures have special or unique aspects which need + consideration when adding memory ranges to the list of available + memory map. Enable this config in such scenarios which allow + architectures and boards to define their own memory map. + +config SPL_LMB_ARCH_MEM_MAP + bool "Add an architecture specific memory map" + depends on SPL_LMB + help + Some architectures have special or unique scenarios which need + consideration when adding memory ranges to the list of available + memory map. Enable this config in such scenarios which allow + architectures and boards to define their own memory map. + config PHANDLE_CHECK_SEQ bool "Enable phandle check while getting sequence number" help diff --git a/lib/lmb.c b/lib/lmb.c index e7167f858f0..ae69201d5b7 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -326,6 +326,9 @@ void lmb_add_memory(void) u64 ram_top = gd->ram_top; struct bd_info *bd = gd->bd; + if (CONFIG_IS_ENABLED(LMB_ARCH_MEM_MAP)) + return lmb_arch_add_memory(); + /* Assume a 4GB ram_top if not defined */ if (!ram_top) ram_top = 0x100000000ULL;