Hi NXP Team.
We want to force pull-high or pull-low the Enable/Trigger pins in U-Boot.
So we add some code as below, but it look like no use.
Do you have any suggestion for us ?
Enable pin => GPIO2_2
Trigger pin => GPIO2_3
*** u-boot/board/freescale/ls1046ardb/ls1046ardb.c ***
#define WDT_DIRMASK_TRIG 0xefffffff
#define WDT_DATMASK_TRIG 0x10000000
#define WDT_DIRMASK_EN 0xdfffffff
#define WDT_DATMASK_EN 0xdfffffff
static inline void wdt_pinmux_init(void)
{
u32 val;
struct ccsr_gpio *pgpio = (void *)(GPIO2_BASE_ADDR);
/* en pin */
val = in_be32(&pgpio->gpdir);
val &= WDT_DIRMASK_EN;
out_be32(&pgpio->gpdir, val);
printf("WDT_DIRMASK_EN val (0x%X)\n", val);
val = in_be32(&pgpio->gpdat);
val &= WDT_DATMASK_EN;
out_be32(&pgpio->gpdat, val);
printf("WDT_DATMASK_EN val (0x%X)\n", val);
/* trig pin */
val = in_be32(&pgpio->gpdir);
val &= WDT_DIRMASK_TRIG;
out_be32(&pgpio->gpdir, val);
printf("WDT_DIRMASK_TRIG val (0x%X)\n", val);
val = in_be32(&pgpio->gpdat);
val |= WDT_DATMASK_TRIG;
out_be32(&pgpio->gpdat, val);
printf("WDT_DATMASK_TRIG val (0x%X)\n", val);
}
void config_board_mux(void)
{
.....
/* adv-wdt mux init */
wdt_pinmux_init();
}
Solved! Go to Solution.
Are these pins assigned to GPIO in the LS1046a RCW?
See the Section 3.4.6 in the LS1046a Reference Manual:
Yes, GPIO2_2/GPIO2_3 pins is already set in RCW.
Are these pins assigned to GPIO in the LS1046a RCW?
See the Section 3.4.6 in the LS1046a Reference Manual: