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hw/nvram: NPCM7xx OTP device model

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This supports reading and writing OTP fuses and keys. Only fuse reading
has been tested. Protection is not implemented.

Reviewed-by: Avi Fishman <avi.fishman@nuvoton.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Message-id: 20200911052101.2602693-9-hskinnemoen@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Havard Skinnemoen 2020-09-10 22:20:55 -07:00 • committed by Peter Maydell
parent 4e89ccd685
commit c752bb079b
5 changed files with 552 additions and 0 deletions
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3
include/hw/arm/npcm7xx.h
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@ -20,6 +20,7 @@
#include "hw/cpu/a9mpcore.h"
#include "hw/misc/npcm7xx_clk.h"
#include "hw/misc/npcm7xx_gcr.h"
#include "hw/nvram/npcm7xx_otp.h"
#include "hw/timer/npcm7xx_timer.h"
#include "target/arm/cpu.h"
@ -68,6 +69,8 @@ typedef struct NPCM7xxState {
NPCM7xxGCRState gcr;
NPCM7xxCLKState clk;
NPCM7xxTimerCtrlState tim[3];
NPCM7xxOTPState key_storage;
NPCM7xxOTPState fuse_array;
} NPCM7xxState;
#define TYPE_NPCM7XX "npcm7xx"