diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-06-17 09:25:34 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-06-23 11:39:47 +0100 |
| commit | bb8fba9c896dd889e36db8346cd90e17476fca02 (patch) | |
| tree | 1a76fc403e29f057fdf5772b78f6aebb0c32f3e4 /hw/arm/mps2.c | |
| parent | ecbe51aff923b42b453b85471b000d4daa094fe3 (diff) | |
hw/arm/mps2: Add CMSDK AHB GPIO peripherals as unimplemented devices
Register the GPIO peripherals as unimplemented to better
follow their accesses, for example booting Zephyr:
----------------
IN: arm_mps2_pinmux_init
0x00001160: f64f 0231 movw r2, #0xf831
0x00001164: 4b06 ldr r3, [pc, #0x18]
0x00001166: 2000 movs r0, #0
0x00001168: 619a str r2, [r3, #0x18]
0x0000116a: f24c 426f movw r2, #0xc46f
0x0000116e: f503 5380 add.w r3, r3, #0x1000
0x00001172: 619a str r2, [r3, #0x18]
0x00001174: f44f 529e mov.w r2, #0x13c0
0x00001178: f503 5380 add.w r3, r3, #0x1000
0x0000117c: 619a str r2, [r3, #0x18]
0x0000117e: 4770 bx lr
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0xf831, offset 0x18)
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0xc46f, offset 0x18)
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0x13c0, offset 0x18)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-10-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/mps2.c')
| -rw-r--r-- | hw/arm/mps2.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c index f7bef20b40..c66c595d4a 100644 --- a/hw/arm/mps2.c +++ b/hw/arm/mps2.c @@ -113,6 +113,7 @@ static void mps2_common_init(MachineState *machine) MemoryRegion *system_memory = get_system_memory(); MachineClass *mc = MACHINE_GET_CLASS(machine); DeviceState *armv7m, *sccdev; + int i; if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) { error_report("This board can only be used with CPU %s", @@ -228,7 +229,6 @@ static void mps2_common_init(MachineState *machine) */ Object *orgate; DeviceState *orgate_dev; - int i; orgate = object_new(TYPE_OR_IRQ); object_property_set_int(orgate, 6, "num-lines", &error_fatal); @@ -265,7 +265,6 @@ static void mps2_common_init(MachineState *machine) */ Object *orgate; DeviceState *orgate_dev; - int i; orgate = object_new(TYPE_OR_IRQ); object_property_set_int(orgate, 10, "num-lines", &error_fatal); @@ -301,6 +300,11 @@ static void mps2_common_init(MachineState *machine) default: g_assert_not_reached(); } + for (i = 0; i < 4; i++) { + static const hwaddr gpiobase[] = {0x40010000, 0x40011000, + 0x40012000, 0x40013000}; + create_unimplemented_device("cmsdk-ahb-gpio", gpiobase[i], 0x1000); + } /* CMSDK APB subsystem */ cmsdk_apb_timer_create(0x40000000, qdev_get_gpio_in(armv7m, 8), SYSCLK_FRQ); |