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km: qrio: add function to read SLFTEST pin status

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There is a request from HW designers to use this QRIO pin for detecting
DIC26_SELFTEST status instead of a GPIO pin.
This pin is typically used during production for executing POST tests and
starting test ESW bank.

Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachienergy.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Aleksandar Gerasimovski 2021-11-16 12:48:46 +00:00 committed by Priyanka Jain
parent 7539bb3b7c
commit 7c49bd50ed
2 changed files with 14 additions and 0 deletions
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13
board/keymile/common/qrio.c
View file

@ -27,6 +27,19 @@ void show_qrio(void)
(id_rev >> 8) & 0xff, id_rev & 0xff);
}
#define SLFTEST_OFF 0x06
bool qrio_get_selftest_pin(void)
{
u8 slftest;
void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE;
slftest = in_8(qrio_base + SLFTEST_OFF);
return (slftest & 1) > 0;
}
int qrio_get_gpio(u8 port_off, u8 gpio_nr)
{
u32 gprt;

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

@ -12,6 +12,7 @@
#define QRIO_GPIO_B 0x60
void show_qrio(void);
bool qrio_get_selftest_pin(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);