| Message ID | 20210702104018.19881-6-peter.maydell@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | hw/arm: Make virt board secure powerdown/reset work | expand |
On 7/2/21 3:40 AM, Peter Maydell wrote: > Add a comment documenting the "QEMU interface" of this device: > which MMIO regions, IRQ lines, GPIO lines, etc it exposes. > > Signed-off-by: Peter Maydell<peter.maydell@linaro.org> > --- > hw/gpio/pl061.c | 7 +++++++ > 1 file changed, 7 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/hw/gpio/pl061.c b/hw/gpio/pl061.c index f3b80c7776f..06a1b82a503 100644 --- a/hw/gpio/pl061.c +++ b/hw/gpio/pl061.c @@ -6,6 +6,13 @@ * Written by Paul Brook * * This code is licensed under the GPL. + * + * QEMU interface: + * + sysbus MMIO region 0: the device registers + * + sysbus IRQ: the GPIOINTR interrupt line + * + unnamed GPIO inputs 0..7: inputs to connect to the emulated GPIO lines + * + unnamed GPIO outputs 0..7: the emulated GPIO lines, considered as + * outputs */ #include "qemu/osdep.h"
Add a comment documenting the "QEMU interface" of this device: which MMIO regions, IRQ lines, GPIO lines, etc it exposes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- hw/gpio/pl061.c | 7 +++++++ 1 file changed, 7 insertions(+)