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From 2ddd34b6838e836cf94a9da2f65cd01a21252846 Mon Sep 17 00:00:00 2001
From: Emekcan Aras <emekcan.aras@arm.com>
Date: Wed, 15 Nov 2023 16:04:06 +0000
Subject: [PATCH] corstone1000: enable virtio-net support
Adds virtio-net support in corstone1000-fvp.
Signed-off-by: Emekcan Aras <emekcan.aras@arm.com>
Upstream-Status: Pending [Not submitted to upstream yet]
---
arch/arm/dts/corstone1000-fvp.dts | 6 ++++++
board/armltd/corstone1000/corstone1000.c | 24 +++++++++++++++++++++++-
configs/corstone1000_defconfig | 2 ++
3 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/corstone1000-fvp.dts b/arch/arm/dts/corstone1000-fvp.dts
index 26b0f1b3ce..8e54a40113 100644
--- a/arch/arm/dts/corstone1000-fvp.dts
+++ b/arch/arm/dts/corstone1000-fvp.dts
@@ -21,6 +21,12 @@
reg-io-width = <2>;
};
+ virtio: virtio-net@40400000 {
+ compatible = "virtio,mmio";
+ reg = <0x40400000 0x10000>;
+ interrupts = <145>;
+ };
+
vmmc_v3_3d: fixed_v3_3d {
compatible = "regulator-fixed";
regulator-name = "vmmc_supply";
diff --git a/board/armltd/corstone1000/corstone1000.c b/board/armltd/corstone1000/corstone1000.c
index e3c0e5bf50..ef74dc9032 100644
--- a/board/armltd/corstone1000/corstone1000.c
+++ b/board/armltd/corstone1000/corstone1000.c
@@ -18,6 +18,7 @@
#include <dm/platform_data/serial_pl01x.h>
#include <asm/armv8/mmu.h>
#include <asm/global_data.h>
+#include <generated/dt.h>
/* remove the DT nodes not needed in Linux */
DT_NON_COMPLIANT_PURGE_LIST(foo) = {
@@ -101,6 +102,14 @@ static struct mm_region corstone1000_mem_map[] = {
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
+ }, {
+ /* ethernet */
+ .virt = 0x40400000UL,
+ .phys = 0x40400000UL,
+ .size = 0x00100000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
/* List terminator */
0,
@@ -150,10 +159,23 @@ void fwu_plat_get_bootidx(uint *boot_idx)
int board_late_init(void)
{
struct disk_partition part_info;
- struct udevice *dev, *bdev;
+ struct udevice *dev, *bdev,*virtio_bus, *virtio_child;;
struct nvmxip_plat *plat;
struct blk_desc *desc;
int ret;
+ const char *cmp_dtb = DEVICE_TREE;
+
+ if (!strcmp(cmp_dtb, "corstone1000-fvp")) {
+ ret = uclass_first_device_err(UCLASS_VIRTIO, &virtio_bus);
+ if (!virtio_bus){
+ log_err("Cannot find virtio device\n");
+ return ret;
+ }
+ while (virtio_bus) {
+ device_foreach_child_probe(virtio_child, virtio_bus);
+ uclass_next_device(&virtio_bus);
+ }
+ }
ret = uclass_first_device_err(UCLASS_NVMXIP, &dev);
if (ret < 0) {
diff --git a/configs/corstone1000_defconfig b/configs/corstone1000_defconfig
index 2de3f5d7b3..8770b474e2 100644
--- a/configs/corstone1000_defconfig
+++ b/configs/corstone1000_defconfig
@@ -78,3 +78,5 @@ CONFIG_DM_GPIO=y
CONFIG_SYSRESET_PSCI=y
CONFIG_EFI_SET_TIME=y
CONFIG_EFI_GET_TIME=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_MMIO=y
--
2.25.1
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