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board: MCR3000: use new DM watchdog

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This patch switches MCR3000 board to the new DM watchdog.

The change in u-boot.lds is because MCR3000.o grows a bit
with this patch and doesn't fit anymore below env_offset on
some versions of GCC.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
This commit is contained in:
Christophe Leroy 2018-11-21 08:51:47 +00:00 committed by Tom Rini
parent 749c9aae9d
commit 4c4ca6cdd5
4 changed files with 22 additions and 1 deletions
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3
arch/powerpc/dts/mcr3000.dts
View File

@ -9,4 +9,7 @@
/dts-v1/;
/ {
WDT: watchdog@0 {
compatible = "fsl,pq1-wdt";
};
};

16
board/cssi/MCR3000/MCR3000.c
View File

@ -12,6 +12,8 @@
#include <mpc8xx.h>
#include <fdt_support.h>
#include <asm/io.h>
#include <dm/uclass.h>
#include <wdt.h>
DECLARE_GLOBAL_DATA_PTR;
@ -143,3 +145,17 @@ int board_early_init_f(void)
return 0;
}
int board_early_init_r(void)
{
struct udevice *watchdog_dev = NULL;
if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
puts("Cannot find watchdog!\n");
} else {
puts("Enabling watchdog.\n");
wdt_start(watchdog_dev, 0xffff, 0);
}
return 0;
}

1
board/cssi/MCR3000/u-boot.lds
View File

@ -19,7 +19,6 @@ SECTIONS
arch/powerpc/cpu/mpc8xx/start.o (.text)
arch/powerpc/cpu/mpc8xx/traps.o (.text*)
arch/powerpc/lib/built-in.o (.text*)
board/cssi/MCR3000/built-in.o (.text*)
drivers/net/built-in.o (.text*)
. = DEFINED(env_offset) ? env_offset : .;

3
configs/MCR3000_defconfig
View File

@ -42,6 +42,7 @@ CONFIG_BOOTDELAY=5
CONFIG_USE_BOOTCOMMAND=y
CONFIG_BOOTCOMMAND="run flashboot"
CONFIG_MISC_INIT_R=y
CONFIG_BOARD_EARLY_INIT_R=y
CONFIG_HUSH_PARSER=y
# CONFIG_AUTO_COMPLETE is not set
CONFIG_SYS_PROMPT="S3K> "
@ -76,3 +77,5 @@ CONFIG_OF_LIBFDT=y
CONFIG_DM=y
CONFIG_OF_CONTROL=y
CONFIG_DEFAULT_DEVICE_TREE="mcr3000"
CONFIG_WDT=y
CONFIG_WDT_MPC8xx=y