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env: Relocate env drivers if manual reloc is required

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Relocate env drivers if manual relocation is enabled. This
patch fixes the issue of u-boot hang incase if env is
present in any of the flash devices.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-04-13 07:57:21 +02:00 committed by Tom Rini
parent 90e407ae01
commit 7bcdf19572
3 changed files with 27 additions and 0 deletions
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1
env/common.c vendored
View File

@ -227,6 +227,7 @@ void env_relocate(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
env_reloc();
env_fix_drivers();
env_htab.change_ok += gd->reloc_off;
#endif
if (gd->env_valid == ENV_INVALID) {

21
env/env.c vendored
View File

@ -10,6 +10,27 @@
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
void env_fix_drivers(void)
{
struct env_driver *drv;
const int n_ents = ll_entry_count(struct env_driver, env_driver);
struct env_driver *entry;
drv = ll_entry_start(struct env_driver, env_driver);
for (entry = drv; entry != drv + n_ents; entry++) {
if (entry->name)
entry->name += gd->reloc_off;
if (entry->load)
entry->load += gd->reloc_off;
if (entry->save)
entry->save += gd->reloc_off;
if (entry->init)
entry->init += gd->reloc_off;
}
}
#endif
static struct env_driver *_env_driver_lookup(enum env_location loc)
{
struct env_driver *drv;

5
include/environment.h
View File

@ -314,6 +314,11 @@ int env_load(void);
*/
int env_save(void);
/**
* env_fix_drivers() - Updates envdriver as per relocation
*/
void env_fix_drivers(void);
void eth_parse_enetaddr(const char *addr, uint8_t *enetaddr);
int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr);
int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr);