Differential D9913

mips/broadcom: Early boot NVRAM support
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Authored by landonf on Mar 6 2017, 9:03 PM.

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mizhka
adrian

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rS315866: [mips/broadcom]: Early boot NVRAM support

Summary

This adds support for early boot access to NVRAM variables, using a new
bhnd_nvram_data_getvar_direct() API to support for zero-allocation direct
reading of NVRAM variables from a bhnd_nvram_io instance backed by the
CFE-provided NVRAM device.

This allows us to fetch NVRAM variables prior to our probing the flash/partition
layout, and is required for the upcoming GEOM-aware BHND NVRAM support.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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landonf updated this revision to Diff 26043.Mar 6 2017, 9:03 PM

landonf retitled this revision from to mips/broadcom: Early boot NVRAM support.

landonf updated this object.

landonf edited the test plan for this revision. (Show Details)

landonf added reviewers: adrian, mizhka.

Check with Michael!

This revision is now accepted and ready to land.Mar 6 2017, 9:11 PM

Closed by commit rS315866: [mips/broadcom]: Early boot NVRAM support (authored by landonf). · Explain WhyMar 23 2017, 7:29 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

bhnd/

nvram/

bhnd_nvram_data.h

5 lines

bhnd_nvram_data.c

35 lines

bhnd_nvram_data_bcm.c

220 lines

bhnd_nvram_data_bcmraw.c

9 lines

bhnd_nvram_data_bcmvar.h

4 lines

bhnd_nvram_data_btxt.c

220 lines

bhnd_nvram_data_sprom.c

267 lines

bhnd_nvram_data_sprom_subr.c

89 lines

bhnd_nvram_data_spromvar.h

8 lines

bhnd_nvram_data_tlv.c

72 lines

bhnd_nvram_datavar.h

7 lines

6 lines

mips/

broadcom/

9 lines

51 lines

bcm_nvram_cfe.c

158 lines

bcm_nvram_cfevar.h

20 lines

Diff 26619

head/sys/dev/bhnd/nvram/bhnd_nvram_data.h

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head/sys/dev/bhnd/nvram/bhnd_nvram_data.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_bcm.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_bcmraw.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_bcmvar.h

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_btxt.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_sprom.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_sprom_subr.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_spromvar.h

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head/sys/dev/bhnd/nvram/bhnd_nvram_data_tlv.c

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head/sys/dev/bhnd/nvram/bhnd_nvram_datavar.h

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head/sys/dev/bhnd/nvram/bhnd_sprom.c

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head/sys/mips/broadcom/bcm_machdep.h

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head/sys/mips/broadcom/bcm_machdep.c

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head/sys/mips/broadcom/bcm_nvram_cfe.c

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head/sys/mips/broadcom/bcm_nvram_cfevar.h

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