uclass: cpu: fix to display proper CPU features
The cmd "cpu detail" fetches uninitialized cpu feature information
and thus displays wrong / inconsitent details as below.
For eg: FU540-C000 doesn't have any microcode, yet the cmd display's it.
=> cpu detail
1: cpu@1 rv64imafdc
ID = 1, freq = 999.100 MHz: L1 cache, MMU, Microcode, Device ID
Microcode version 0x0
Device ID 0x0
2: cpu@2 rv64imafdc
ID = 2, freq = 999.100 MHz: L1 cache, MMU, Microcode, Device ID
Microcode version 0x0
Device ID 0x0
3: cpu@3 rv64imafdc
ID = 3, freq = 999.100 MHz: L1 cache, MMU, Microcode, Device ID
Microcode version 0x0
Device ID 0x0
4: cpu@4 rv64imafdc
ID = 4, freq = 999.100 MHz: L1 cache, MMU, Microcode, Device ID
Microcode version 0x0
Device ID 0x0
The L1 cache or MMU entry seen above is also displayed inconsistently.
So initialize cpu information to zero into cpu-uclass itself so that
similar issues can be avoided for other CPU drivers.
We now see correct features as:
=> cpu detail
1: cpu@1 rv64imafdc
ID = 1, freq = 999.100 MHz
2: cpu@2 rv64imafdc
ID = 2, freq = 999.100 MHz
3: cpu@3 rv64imafdc
ID = 3, freq = 999.100 MHz
4: cpu@4 rv64imafdc
ID = 4, freq = 999.100 MHz
Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@sifive.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
1 file changed