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ipq806x: Customized environment size handling

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To save space in NOR flash, environment loading from flash is
handled differently for NOR and NAND. The size for NOR flash
environment is taken from partition size itself.

Change-Id: I588471b679fad0e96b836d43dc1a0136c5400fc1
Signed-off-by: Antony Arun T <antothom@codeaurora.org>
This commit is contained in:
Antony Arun T 2018-02-19 16:11:21 +05:30
parent e703375fa3
commit 1279dad923
2 changed files with 9 additions and 0 deletions
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5
common/cmd_nvedit.c
View file

@ -633,6 +633,11 @@ char *getenv(const char *name)
hsearch_r(e, FIND, &ep, &env_htab, 0);
return ep ? ep->data : NULL;
} else {
#ifdef CONFIG_ENV_SIZE_MAX
/* for first time set maximum */
#define CONFIG_ENV_SIZE CONFIG_ENV_SIZE_MAX
#endif
}
/* restricted capabilities before import */

4
include/environment.h
View file

@ -153,6 +153,10 @@ extern char *env_name_spec;
#define ENV_SIZE (CONFIG_ENV_RANGE - ENV_HEADER_SIZE)
#endif
#ifndef CONFIG_ENV_SIZE_MAX
#define CONFIG_ENV_SIZE_MAX CONFIG_ENV_SIZE
#endif
typedef struct environment_s {
uint32_t crc; /* CRC32 over data bytes */
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT