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author | Green Wan <green.wan@sifive.com> | 2020-10-20 11:37:32 +0800 |
---|---|---|
committer | Alistair Francis <alistair.francis@wdc.com> | 2020-10-22 12:00:50 -0700 |
commit | 51b6c1bbc3dd1b139a9e9b021d87bcfd7d82299e (patch) | |
tree | 04644e91396869bcad6af97d597b611292c8e101 /include | |
parent | a54d259157e2575b69e2cf7cf03592c74559cb7e (diff) | |
download | qemu-51b6c1bbc3dd1b139a9e9b021d87bcfd7d82299e.zip qemu-51b6c1bbc3dd1b139a9e9b021d87bcfd7d82299e.tar.gz qemu-51b6c1bbc3dd1b139a9e9b021d87bcfd7d82299e.tar.bz2 |
hw/misc/sifive_u_otp: Add backend drive support
Add '-drive' support to OTP device. Allow users to assign a raw file
as OTP image.
test commands for 16k otp.img filled with zero:
$ dd if=/dev/zero of=./otp.img bs=1k count=16
$ ./qemu-system-riscv64 -M sifive_u -m 256M -nographic -bios none \
-kernel ../opensbi/build/platform/sifive/fu540/firmware/fw_payload.elf \
-d guest_errors -drive if=none,format=raw,file=otp.img
Signed-off-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201020033732.12921-3-green.wan@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/hw/misc/sifive_u_otp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/misc/sifive_u_otp.h b/include/hw/misc/sifive_u_otp.h index ebffbc1..5d0d7df 100644 --- a/include/hw/misc/sifive_u_otp.h +++ b/include/hw/misc/sifive_u_otp.h @@ -46,6 +46,7 @@ #define SIFIVE_U_OTP_PA_MASK 0xfff #define SIFIVE_U_OTP_NUM_FUSES 0x1000 +#define SIFIVE_U_OTP_FUSE_WORD 4 #define SIFIVE_U_OTP_SERIAL_ADDR 0xfc #define SIFIVE_U_OTP_REG_SIZE 0x1000 @@ -80,6 +81,7 @@ struct SiFiveUOTPState { uint32_t fuse_wo[SIFIVE_U_OTP_NUM_FUSES]; /* config */ uint32_t serial; + BlockBackend *blk; }; #endif /* HW_SIFIVE_U_OTP_H */ |