u-boot-brain/env/remote.c
Tom Rini a09fea1d28 env: Finish migration of common ENV options
- In ARMv8 NXP Layerscape platforms we also need to make use of
  CONFIG_SYS_RELOC_GD_ENV_ADDR now, do so.
- On ENV_IS_IN_REMOTE, CONFIG_ENV_OFFSET is never used, drop the define
  to 0.
- Add Kconfig entry for ENV_ADDR.
- Make ENV_ADDR / ENV_OFFSET depend on the env locations that use it.
- Add ENV_xxx_REDUND options that depend on their primary option and
  SYS_REDUNDAND_ENVIRONMENT
- On a number of PowerPC platforms, use SPL_ENV_ADDR not CONFIG_ENV_ADDR
  for the pre-main-U-Boot environment location.
- On ENV_IS_IN_SPI_FLASH, check not for CONFIG_ENV_ADDR being set but
  rather it being non-zero, as it will now be zero by default.
- Rework the env_offset absolute in env/embedded.o to not use
  CONFIG_ENV_OFFSET as it was the only use of ENV_OFFSET within
  ENV_IS_IN_FLASH.
- Migrate all platforms.

Cc: Wolfgang Denk <wd@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: uboot-stm32@st-md-mailman.stormreply.com
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
2019-11-20 18:32:09 -05:00

60 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
*/
/* #define DEBUG */
#include <common.h>
#include <command.h>
#include <env_internal.h>
#include <linux/stddef.h>
#ifdef ENV_IS_EMBEDDED
env_t *env_ptr = &environment;
#else /* ! ENV_IS_EMBEDDED */
env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
#endif /* ENV_IS_EMBEDDED */
DECLARE_GLOBAL_DATA_PTR;
static int env_remote_init(void)
{
if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
gd->env_addr = (ulong)&(env_ptr->data);
gd->env_valid = ENV_VALID;
return 0;
}
return -ENOENT;
}
#ifdef CONFIG_CMD_SAVEENV
static int env_remote_save(void)
{
#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
printf("Can not support the 'saveenv' when boot from SRIO or PCIE!\n");
return 1;
#else
return 0;
#endif
}
#endif /* CONFIG_CMD_SAVEENV */
static int env_remote_load(void)
{
#ifndef ENV_IS_EMBEDDED
return env_import((char *)env_ptr, 1);
#endif
return 0;
}
U_BOOT_ENV_LOCATION(remote) = {
.location = ENVL_REMOTE,
ENV_NAME("Remote")
.load = env_remote_load,
.save = env_save_ptr(env_remote_save),
.init = env_remote_init,
};