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arm: mvebu: ds414: Auto-populate env if appropriate

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Define a misc_init_r() which calls "syno populate_env" if the
environment seems incomplete (or default), indicated by missing
"ethaddr" variable. With this in place, no random MAC address fallback
is needed anymore.

Signed-off-by: Phil Sutter <phil@nwl.cc>
This commit is contained in:
Phil Sutter 2021-03-05 21:05:11 +01:00 committed by Stefan Roese
parent e471ddf0f3
commit a770159f88
4 changed files with 32 additions and 7 deletions
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9
board/Synology/ds414/cmd_syno.c
View File

@ -17,12 +17,9 @@
#include <asm/io.h>
#include "../drivers/ddr/marvell/axp/ddr3_init.h"
#define ETHADDR_MAX 4
#define SYNO_SN_TAG "SN="
#define SYNO_CHKSUM_TAG "CHK="
#include "cmd_syno.h"
static int do_syno_populate(int argc, char *const argv[])
int do_syno_populate(int argc, char *const argv[])
{
unsigned int bus = CONFIG_SF_DEFAULT_BUS;
unsigned int cs = CONFIG_SF_DEFAULT_CS;
@ -57,7 +54,7 @@ static int do_syno_populate(int argc, char *const argv[])
goto out_unmap;
}
for (n = 0; n < ETHADDR_MAX; n++) {
for (n = 0; n < SYNO_ETHADDR_MAX; n++) {
char ethaddr[ETH_ALEN];
int i, sum = 0;
unsigned char csum = 0;

17
board/Synology/ds414/cmd_syno.h Normal file
View File

@ -0,0 +1,17 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Commands to deal with Synology specifics.
*
* Copyright (C) 2021 Phil Sutter <phil@nwl.cc>
*/
#ifndef _CMD_SYNO_H
#define _CMD_SYNO_H
#define SYNO_ETHADDR_MAX 4
#define SYNO_SN_TAG "SN="
#define SYNO_CHKSUM_TAG "CHK="
int do_syno_populate(int argc, char *const argv[]);
#endif /* _CMD_SYNO_H */

11
board/Synology/ds414/ds414.c
View File

@ -18,6 +18,8 @@
#include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h"
#include "../arch/arm/mach-mvebu/serdes/axp/board_env_spec.h"
#include "cmd_syno.h"
DECLARE_GLOBAL_DATA_PTR;
/* GPP and MPP settings as found in mvBoardEnvSpec.c of Synology's U-Boot */
@ -179,6 +181,15 @@ int board_init(void)
return 0;
}
int misc_init_r(void)
{
if (!env_get("ethaddr")) {
puts("Incomplete environment, populating from SPI flash\n");
do_syno_populate(0, NULL);
}
return 0;
}
int checkboard(void)
{
puts("Board: DS414\n");

2
configs/ds414_defconfig
View File

@ -24,6 +24,7 @@ CONFIG_BOOTARGS="console=ttyS0,115200 ip=off initrd=0x8000040,8M root=/dev/md0 r
# CONFIG_USE_PREBOOT is not set
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_DISPLAY_BOARDINFO_LATE=y
CONFIG_MISC_INIT_R=y
CONFIG_SPL_I2C_SUPPORT=y
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_I2C=y
@ -46,7 +47,6 @@ CONFIG_ENV_OVERWRITE=y
CONFIG_USE_ENV_SPI_MAX_HZ=y
CONFIG_ENV_SPI_MAX_HZ=50000000
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_OF_TRANSLATE=y
CONFIG_BLK=y
# CONFIG_MMC is not set