912161e52d
According to the latest SPD parameters provided by the manufacturer,
combined with the document 8Gb_LPDDR4X_B_Die_component_Datasheet(S).pdf
we correct channelsPerDie, diesPerPackage, ranksPerChannel of SPD
for Nanya NT6AP1024F32BL-J1; merged the parameters into the BIOS and
flashed it into the machine. The machine can boot and read the normal
size of memory.
BUG=b.422906387
TEST=util/spd_tools/bin/spd_gen spd/lp4x/memory_parts.json lp4x
Use the dmidecode -t memory command to read the size of memory.
Output results：
awasuki-rev2 # dmidecode -t memory
# dmidecode 3.4
Getting SMBIOS data from sysfs.
SMBIOS 3.0 present.
Handle 0x000A, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 64 GB
Error Information Handle: Not Provided
Number Of Devices: 4
Handle 0x000B, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x000A
Error Information Handle: Not Provided
Total Width: 32 bits
Data Width: 32 bits
Size: 8 GB
Form Factor: Unknown
Set: None
Locator: Channel-0-DIMM-0
Bank Locator: BANK 0
Type: LPDDR4
Type Detail: Synchronous
Speed: 2933 MT/s
Manufacturer: Unknown (b03)
Serial Number: 00000000
Asset Tag: Not Specified
Part Number: NT6AP1024F32BL-J1
Rank: 2
Configured Memory Speed: 2933 MT/s
Minimum Voltage: 0.6 V
Maximum Voltage: 0.6 V
Configured Voltage: 0.6 V
Change-Id: I35823ce87b5d8d67894528e4a8781dd91247eb6c
Signed-off-by: Hualin Wei <weihualin@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88146
Reviewed-by: Weimin Wu <wuweimin@huaqin.corp-partner.google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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| ddr4 | ||
| lp4x | ||
| lp5 | ||