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board: sl28: print CPLD version on bootup

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Most of the time it is very useful to have the version of the board
management controller. Now that we have a driver, print it during
startup.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Michael Walle 2021-11-15 23:45:46 +01:00 committed by Priyanka Jain
parent fea5161322
commit d36b683a0f
2 changed files with 30 additions and 0 deletions
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28
board/kontron/sl28/sl28.c
View File

@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+ // SPDX-License-Identifier: GPL-2.0+
#include <common.h> #include <common.h>
#include <dm.h>
#include <malloc.h> #include <malloc.h>
#include <errno.h> #include <errno.h>
#include <fsl_ddr.h> #include <fsl_ddr.h>
@ -15,6 +16,7 @@
#include <fsl_immap.h> #include <fsl_immap.h>
#include <netdev.h> #include <netdev.h>
#include <sl28cpld.h>
#include <fdtdec.h> #include <fdtdec.h>
#include <miiphy.h> #include <miiphy.h>
@ -39,9 +41,35 @@ int board_eth_init(struct bd_info *bis)
return pci_eth_init(bis); return pci_eth_init(bis);
} }
static int __sl28cpld_read(uint reg)
{
struct udevice *dev;
int ret;
ret = uclass_get_device_by_driver(UCLASS_NOP,
DM_DRIVER_GET(sl28cpld), &dev);
if (ret)
return ret;
return sl28cpld_read(dev, reg);
}
static void print_cpld_version(void)
{
int version = __sl28cpld_read(SL28CPLD_VERSION);
if (version < 0)
printf("CPLD: error reading version (%d)\n", version);
else
printf("CPLD: v%d\n", version);
}
int checkboard(void) int checkboard(void)
{ {
printf("EL: %d\n", current_el()); printf("EL: %d\n", current_el());
if (CONFIG_IS_ENABLED(SL28CPLD))
print_cpld_version();
return 0; return 0;
} }

2
include/sl28cpld.h
View File

@ -6,6 +6,8 @@
#ifndef __SL28CPLD_H #ifndef __SL28CPLD_H
#define __SL28CPLD_H #define __SL28CPLD_H
#define SL28CPLD_VERSION 0x03
int sl28cpld_read(struct udevice *dev, uint offset); int sl28cpld_read(struct udevice *dev, uint offset);
int sl28cpld_write(struct udevice *dev, uint offset, uint8_t value); int sl28cpld_write(struct udevice *dev, uint offset, uint8_t value);
int sl28cpld_update(struct udevice *dev, uint offset, uint8_t clear, int sl28cpld_update(struct udevice *dev, uint offset, uint8_t clear,