Re: [U-Boot] [PATCH v3 18/25] riscv: Do some basic architecture level cpu initialization

On Tue, 2018-12-11 at 01:34 -0800, Bin Meng wrote:

In arch_cpu_init_dm() do some basic architecture level cpu initialization, like FPU enable, etc.

Signed-off-by: Bin Meng bmeng.cn@gmail.com

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Changes in v3:

• only initialize mcounteren CSR for S-mode
• only touch satp in M-mode U-Boot
• move the implementation to arch_cpu_init_dm()

Changes in v2:

• use csr_set() to set MSTATUS_FS
• only enabling the cycle, time, and instret counters
• change to use satp

arch/riscv/cpu/cpu.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-)

Reviewed-by: Lukas Auer lukas.auer@aisec.fraunhofer.de