Hi all,
I've encountered a data abort in tricorder board when switching gpio's.
Here is the trace:
---8<--- gpio_direction_output (gpio=<value optimized out>, value=0) at /home/abiessmann/src/u-boot/drivers/gpio/omap_gpio.c:197 197 _set_gpio_dataout(bank, get_gpio_index(gpio), value); (gdb) s _set_gpio_dataout (gpio=<value optimized out>, value=0) at /home/abiessmann/src/u-boot/drivers/gpio/omap_gpio.c:102 102 void *reg = bank->base; (gdb) s 105 switch (bank->method) { (gdb) s 107 if (enable) (gdb) list 102 void *reg = bank->base; 103 u32 l = 0; 104 105 switch (bank->method) { 106 case METHOD_GPIO_24XX: 107 if (enable) 108 reg += OMAP_GPIO_SETDATAOUT; 109 else 110 reg += OMAP_GPIO_CLEARDATAOUT; 111 l = 1 << gpio; (gdb) s 111 l = 1 << gpio; (gdb) s 108 reg += OMAP_GPIO_SETDATAOUT; (gdb) s 110 reg += OMAP_GPIO_CLEARDATAOUT; (gdb) s 111 l = 1 << gpio; (gdb) s 118 __raw_writel(l, reg); (gdb) print/x l $18 = 0x800 (gdb) print/x reg $19 = 0x49050090 (gdb) s ^C Program received signal SIGSTOP, Stopped (signal). _start () at /home/abiessmann/src/u-boot/arch/arm/cpu/armv7/start.S:27 27 ldr pc, _data_abort (gdb) --->8---
Anyone aware of that?
I'll dive into that tomorrow. If anyone knows that problem a pointer would be good.
Best regards
Andreas Bießmann