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keymile: common: qrio: print QRIO id and revision number

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Add show_qrio function to print chip id and revision information.
There are already multiple QRIO chip versions available and the upcoming
designs may want to show used version.

Signed-off-by: Rainer Boschung <rainer.boschung@hitachi-powergrids.com>
Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Aleksandar Gerasimovski 2021-01-13 16:20:51 +00:00 committed by Priyanka Jain
parent b99cc27111
commit d141f4b298
2 changed files with 13 additions and 0 deletions
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12
board/keymile/common/qrio.c
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@ -11,10 +11,22 @@
#include "common.h"
#include "qrio.h"
/* QRIO ID register offset */
#define ID_REV_OFF 0x00
/* QRIO GPIO register offsets */
#define DIRECT_OFF 0x18
#define GPRT_OFF 0x1c
void show_qrio(void)
{
void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE;
u16 id_rev = in_be16(qrio_base + ID_REV_OFF);
printf("QRIO: id = %u, revision = %u\n",
(id_rev >> 8) & 0xff, id_rev & 0xff);
}
int qrio_get_gpio(u8 port_off, u8 gpio_nr)
{
u32 gprt;

1
board/keymile/common/qrio.h
View File

@ -11,6 +11,7 @@
#define QRIO_GPIO_A 0x40
#define QRIO_GPIO_B 0x60
void show_qrio(void);
int qrio_get_gpio(u8 port_off, u8 gpio_nr);
void qrio_set_opendrain_gpio(u8 port_off, u8 gpio_nr, u8 val);
void qrio_set_gpio(u8 port_off, u8 gpio_nr, bool value);