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writeprotect, cli_classic: delete old writeprotect code

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Delete writeprotect code that was previously extracted from the cros tree.

This is the first of a series of commits adding writeprotect support.
Following commits incrementally implement writeprotect operations,
culminating in writeprotect support for three example chips: GD25LQ128,
GD25Q32, and GD25Q256.

BUG=b:195381327,b:153800563
BRANCH=none
TEST=flashrom -{r,w,E}
TEST=flashrom --wp-{enable,disable,range,list,status} at end of patch series

Change-Id: I67e9b31f86465e5a8f7d3def637198671ee818a8
Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/58474
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
This commit is contained in:
Nikolai Artemiev
2021-10-20 22:11:32 +11:00
committed by Anastasia Klimchuk
parent 8d50fad443
commit 4571361d0e
5 changed files with 7 additions and 571 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
writeprotect.h
View File

@@ -18,34 +18,4 @@
#ifndef __WRITEPROTECT_H__
#define __WRITEPROTECT_H__ 1
enum wp_mode {
WP_MODE_UNKNOWN = -1,
WP_MODE_HARDWARE, /* hardware WP pin determines status */
WP_MODE_POWER_CYCLE, /* WP active until power off/on cycle */
WP_MODE_PERMANENT, /* status register permanently locked,
WP permanently enabled */
};
struct wp {
int (*list_ranges)(const struct flashctx *flash);
int (*set_range)(const struct flashctx *flash,
unsigned int start, unsigned int len);
int (*enable)(const struct flashctx *flash, enum wp_mode mode);
int (*disable)(const struct flashctx *flash);
int (*wp_status)(const struct flashctx *flash);
};
extern struct wp wp_generic;
enum wp_mode get_wp_mode(const char *mode_str);
/*
* Generic write-protect stuff
*/
struct modifier_bits {
int sec; /* if 1, bp bits describe sectors */
int tb; /* value of top/bottom select bit */
};
#endif /* !__WRITEPROTECT_H__ */