diff options
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 3c9a5edc8b..d21a49454e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -619,13 +619,22 @@ void efi_reset_system_init(void) #endif +/* + * Calculate reserved memory with given memory bank + * Return aligned memory size on success + * Return (ram_size + needed size) for failure + */ phys_size_t board_reserve_ram_top(phys_size_t ram_size) { phys_size_t ram_top = ram_size; #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) + ram_top = mc_get_dram_block_size(); + if (ram_top > ram_size) + return ram_size + ram_top; + + ram_top = ram_size - ram_top; /* The start address of MC reserved memory needs to be aligned. */ - ram_top -= mc_get_dram_block_size(); ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1); #endif @@ -669,8 +678,8 @@ phys_size_t get_effective_memsize(void) /* Check if we have enough memory for MC */ if (rem < board_reserve_ram_top(rem)) { /* Not enough memory in high region to reserve */ - if (ea_size > board_reserve_ram_top(rem)) - ea_size -= board_reserve_ram_top(rem); + if (ea_size > board_reserve_ram_top(ea_size)) + ea_size -= board_reserve_ram_top(ea_size); else printf("Error: No enough space for reserved memory.\n"); } |