diff options
Diffstat (limited to 'src/soc/intel/cannonlake/cnl_memcfg_init.c')
| -rw-r--r-- | src/soc/intel/cannonlake/cnl_memcfg_init.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/soc/intel/cannonlake/cnl_memcfg_init.c b/src/soc/intel/cannonlake/cnl_memcfg_init.c index 4ebd9978ae..d3e5e837fd 100644 --- a/src/soc/intel/cannonlake/cnl_memcfg_init.c +++ b/src/soc/intel/cannonlake/cnl_memcfg_init.c @@ -91,18 +91,29 @@ static void meminit_spd_data(FSP_M_CONFIG *mem_cfg, uint8_t mem_slot, static void meminit_cbfs_spd_index(FSP_M_CONFIG *mem_cfg, int spd_index, uint8_t mem_slot) { - size_t spd_data_len; - uintptr_t spd_data_ptr; - struct region_device spd_rdev; + static size_t spd_data_len; + static uintptr_t spd_data_ptr; + static int last_spd_index; assert(mem_slot < NUM_DIMM_SLOT); - printk(BIOS_DEBUG, "SPD INDEX = %d\n", spd_index); - if (get_spd_cbfs_rdev(&spd_rdev, spd_index) < 0) - die("spd.bin not found or incorrect index\n"); - spd_data_len = region_device_sz(&spd_rdev); - /* Memory leak is ok since we have memory mapped boot media */ - assert(CONFIG(BOOT_DEVICE_MEMORY_MAPPED)); - spd_data_ptr = (uintptr_t)rdev_mmap_full(&spd_rdev); + + if ((spd_data_ptr == 0) || (last_spd_index != spd_index)) { + struct region_device spd_rdev; + + printk(BIOS_DEBUG, "SPD INDEX = %d\n", spd_index); + + if (get_spd_cbfs_rdev(&spd_rdev, spd_index) < 0) + die("spd.bin not found or incorrect index\n"); + + spd_data_len = region_device_sz(&spd_rdev); + + /* Memory leak is ok since we have memory mapped boot media */ + assert(CONFIG(BOOT_DEVICE_MEMORY_MAPPED)); + + spd_data_ptr = (uintptr_t)rdev_mmap_full(&spd_rdev); + last_spd_index = spd_index; + } + meminit_spd_data(mem_cfg, mem_slot, spd_data_len, spd_data_ptr); } |