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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-10-24 19:01:26 +0200
committerPeter Maydell <peter.maydell@linaro.org>2020-10-27 11:10:44 +0000
commit3c8f9927fd435bb8d4865c0f261ed206e14e139a (patch)
tree8bc9d57c834b0595350584b0b97768f4ae456bd9 /hw/arm/raspi.c
parentac6bc6ebb44d252b75398fbde887084dfd7bd31c (diff)
hw/arm/raspi: Add the Raspberry Pi Zero machine
Similarly to the Pi A, the Pi Zero uses a BCM2835 SoC (ARMv6Z core). The only difference between the revision 1.2 and 1.3 is the latter exposes a CSI camera connector. As we do not implement the Unicam peripheral, there is no point in exposing a camera connector :) Therefore we choose to model the 1.2 revision. Example booting the machine using content from [*]: $ qemu-system-arm -M raspi0 -serial stdio \ -kernel raspberrypi/firmware/boot/kernel.img \ -dtb raspberrypi/firmware/boot/bcm2708-rpi-zero.dtb \ -append 'printk.time=0 earlycon=pl011,0x20201000 console=ttyAMA0' [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.19.118+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1311 Mon Apr 27 14:16:15 BST 2020 [ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d [ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi Zero ... [*] http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/raspberrypi-kernel_1.20200512-2_armhf.deb Reviewed-by: Luc Michel <luc.michel@greensocs.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20201024170127.3592182-9-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/raspi.c')
-rw-r--r--hw/arm/raspi.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 79fdd35460..0f5ea7e99b 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -319,6 +319,15 @@ static void raspi_machine_class_common_init(MachineClass *mc,
mc->default_ram_id = "ram";
};
+static void raspi0_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc);
+
+ rmc->board_rev = 0x920092; /* Revision 1.2 */
+ raspi_machine_class_common_init(mc, rmc->board_rev);
+};
+
static void raspi1ap_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -352,6 +361,10 @@ static void raspi3b_machine_class_init(ObjectClass *oc, void *data)
static const TypeInfo raspi_machine_types[] = {
{
+ .name = MACHINE_TYPE_NAME("raspi0"),
+ .parent = TYPE_RASPI_MACHINE,
+ .class_init = raspi0_machine_class_init,
+ }, {
.name = MACHINE_TYPE_NAME("raspi1ap"),
.parent = TYPE_RASPI_MACHINE,
.class_init = raspi1ap_machine_class_init,