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From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= <berrange@redhat.com>,
BALATON Zoltan <balaton@eik.bme.hu>,
Peter Maydell <peter.maydell@linaro.org>,
Laurent Vivier <lvivier@redhat.com>,
Ovchinnikov Vitalii <vitalii.ovchinnikov@auriga.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Jared Mauch <jared+home@puck.nether.net>, Fabiano Rosas <farosas@suse.de>,
Paolo Bonzini <pbonzini@redhat.com>, qemu-arm@nongnu.org,
=?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
devel@lists.libvirt.org
Subject: [PATCH v2 06/12] hw/arm/raspi: Consider network interface for B
models
Date: Tue, 4 Feb 2025 01:22:34 +0100
Message-ID: <20250204002240.97830-7-philmd@linaro.org>
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Raspberry Pi 'B' models have an ethernet chipset (the LAN9512).
Since we don't yet model it, add a /* TODO */ comment.
Signed-off-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
---
hw/arm/raspi.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 1a6a1f8ff22..68332fba027 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -143,6 +143,16 @@ static const char *board_type(uint32_t board_rev)
return types[bt].model;
}
=20
+static bool is_model_b(uint32_t board_rev)
+{
+ return !!strchr(board_type(board_rev), 'B');
+}
+
+static bool has_enet(uint32_t board_rev)
+{
+ return is_model_b(board_rev);
+}
+
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
static const ARMInsnFixup smpboot[] =3D {
@@ -304,6 +314,10 @@ void raspi_base_machine_init(MachineState *machine,
machine->kernel_cmdline, &error_abort);
qdev_realize(DEVICE(soc), NULL, &error_fatal);
=20
+ if (has_enet(board_rev)) {
+ /* TODO: model LAN9512 and wire over USB2 */
+ }
+
/* Create and plug in the SD cards */
di =3D drive_get(IF_SD, 0, 0);
blk =3D di ? blk_by_legacy_dinfo(di) : NULL;
--=20
2.47.1