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| author | Philipp Hug <philipp@hug.cx> | 2018-07-11 13:22:34 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-09-10 15:05:11 +0000 |
| commit | ea81928e948a01dde897b90e8e7454a71d9c0788 (patch) | |
| tree | 082c4b2fc86f3f60fd4b084742109525bf5becf5 /src/soc/sifive/fu540/include | |
| parent | 3b8ef2b01d80124982155620dec283ecc91cb221 (diff) | |
| download | coreboot-ea81928e948a01dde897b90e8e7454a71d9c0788.tar.xz | |
soc/sifive/fu540: Add driver for OTP memory
Provides minimal functionality to read the SOC s/n from the NeoFuse
one time programmable memory.
Change-Id: I14b010ad9958931e0a98a76f76090fd7c66f19a0
Signed-off-by: Philipp Hug <philipp@hug.cx>
Reviewed-on: https://review.coreboot.org/27435
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Diffstat (limited to 'src/soc/sifive/fu540/include')
| -rw-r--r-- | src/soc/sifive/fu540/include/soc/otp.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/sifive/fu540/include/soc/otp.h b/src/soc/sifive/fu540/include/soc/otp.h new file mode 100644 index 0000000000..a5b4ca8792 --- /dev/null +++ b/src/soc/sifive/fu540/include/soc/otp.h @@ -0,0 +1,22 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Philipp Hug <philipp@hug.cx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __SOC_SIFIVE_HIFIVE_U_OTP_H__ +#define __SOC_SIFIVE_HIFIVE_U_OTP_H__ + +u32 otp_read_word(u16 idx); +u32 otp_read_serial(void); + +#endif /* __SOC_SIFIVE_HIFIFE_U_OTP_H__ */ |