On 14/07/2018 15:53, Guenter Roeck wrote: > ping ... Queued, thanks.
Paolo > On Mon, Jun 18, 2018 at 02:04:06PM -0700, Guenter Roeck wrote: >> RX and TX interrupt bits were reversed, resulting in an endless sequence >> of serial interupts in the emulated system and the following repeated >> error message when booting Linux. >> >> serial8250: too much work for irq61 >> >> This results in a boot failure most of the time. >> >> Qemu command line used to reproduce the problem: >> >> qemu-system-aarch64 -M raspi3 -m 1024 \ >> -kernel arch/arm64/boot/Image \ >> --append "rdinit=/sbin/init console=ttyS1,115200" >> -initrd rootfs.cpio \ >> -dtb arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dtb \ >> -nographic -monitor null -serial null -serial stdio >> >> This is with arm64:defconfig. The root file system was generated using >> buildroot. >> >> Signed-off-by: Guenter Roeck <[email protected]> >> --- >> hw/char/bcm2835_aux.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/hw/char/bcm2835_aux.c b/hw/char/bcm2835_aux.c >> index 370dc7e..0364596 100644 >> --- a/hw/char/bcm2835_aux.c >> +++ b/hw/char/bcm2835_aux.c >> @@ -39,8 +39,8 @@ >> #define AUX_MU_BAUD_REG 0x68 >> >> /* bits in IER/IIR registers */ >> -#define TX_INT 0x1 >> -#define RX_INT 0x2 >> +#define RX_INT 0x1 >> +#define TX_INT 0x2 >> >> static void bcm2835_aux_update(BCM2835AuxState *s) >> {
