diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/cpu.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 87ccaf1..6ea28ed 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -636,3 +636,24 @@ void reset_cpu(ulong addr) val |= 0x02; scfg_out32(rstcr, val); } + +phys_size_t board_reserve_ram_top(phys_size_t ram_size) +{ + phys_size_t ram_top = ram_size; + +#ifdef CONFIG_SYS_MEM_TOP_HIDE +#error CONFIG_SYS_MEM_TOP_HIDE not to be used together with this function +#endif +/* Carve the Debug Server private DRAM block from the end of DRAM */ +#ifdef CONFIG_FSL_DEBUG_SERVER + ram_top -= debug_server_get_dram_block_size(); +#endif + +/* Carve the MC private DRAM block from the end of DRAM */ +#ifdef CONFIG_FSL_MC_ENET + ram_top -= mc_get_dram_block_size(); + ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1); +#endif + + return ram_top; +} |