{"id":2222653,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222653/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260413092240.3719260-7-daniel@thingy.jp/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260413092240.3719260-7-daniel@thingy.jp>","date":"2026-04-13T09:22:40","name":"[v4,6/6] board: qemu: m68k: Create virtio mmio instances","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"24c8489226d0328f87aee3a0e6ecf27e3332bc63","submitter":{"id":85408,"url":"http://patchwork.ozlabs.org/api/1.1/people/85408/?format=json","name":"Daniel Palmer","email":"daniel@thingy.jp"},"delegate":{"id":14103,"url":"http://patchwork.ozlabs.org/api/1.1/users/14103/?format=json","username":"spectrum","first_name":"Angelo","last_name":"Dureghello","email":"sysamfw@gmail.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260413092240.3719260-7-daniel@thingy.jp/mbox/","series":[{"id":499674,"url":"http://patchwork.ozlabs.org/api/1.1/series/499674/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=499674","date":"2026-04-13T09:22:34","name":"Add virtio-mmio support to m68k virt machine","version":4,"mbox":"http://patchwork.ozlabs.org/series/499674/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222653/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222653/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=thingy.jp header.i=@thingy.jp header.a=rsa-sha256\n header.s=google header.b=cq47j6n1;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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There are 128 of these even if they are not all used, a\nsingle mmio base value is passed via bootinfo.\n\nSigned-off-by: Daniel Palmer \n---\n arch/m68k/Kconfig | 14 +++++----\n board/emulation/qemu-m68k/qemu-m68k.c | 45 +++++++++++++++++++++++++++\n 2 files changed, 53 insertions(+), 6 deletions(-)","diff":"diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig\nindex 6ce8f577e3a1..20a112880c87 100644\n--- a/arch/m68k/Kconfig\n+++ b/arch/m68k/Kconfig\n@@ -195,12 +195,14 @@ config TARGET_STMARK2\n select M54418\n \n config TARGET_QEMU_M68K\n- bool \"Support QEMU m68k virt\"\n- select M68040\n- imply CMD_DM\n- help\n- This target supports the QEMU m68k virtual machine (-M virt).\n- It simulates a Motorola 68040 CPU with Goldfish peripherals.\n+\tbool \"Support QEMU m68k virt\"\n+\tselect M68040\n+\tselect BOARD_EARLY_INIT_R\n+\tselect VIRTIO_MMIO\n+\timply CMD_DM\n+\thelp\n+\t This target supports the QEMU m68k virtual machine (-M virt).\n+\t It simulates a Motorola 68040 CPU with Goldfish peripherals.\n \n endchoice\n \ndiff --git a/board/emulation/qemu-m68k/qemu-m68k.c b/board/emulation/qemu-m68k/qemu-m68k.c\nindex d3527aee1128..a19b23a28ce3 100644\n--- a/board/emulation/qemu-m68k/qemu-m68k.c\n+++ b/board/emulation/qemu-m68k/qemu-m68k.c\n@@ -14,9 +14,14 @@\n #include \n #include \n #include \n+#include \n+#include \n+#include \n #include \n+#include \n #include \n #include \n+#include \n \n DECLARE_GLOBAL_DATA_PTR;\n \n@@ -25,6 +30,38 @@ static struct goldfish_rtc_plat rtc_plat;\n static struct goldfish_timer_plat timer_plat;\n static struct qemu_virt_ctrl_plat reset_plat;\n \n+#define VIRTIO_MMIO_NUM\t128\n+#define VIRTIO_MMIO_SZ\t0x200\n+\n+static struct virtio_mmio_plat virtio_mmio_plat[VIRTIO_MMIO_NUM];\n+static char virtio_mmio_names[VIRTIO_MMIO_NUM][11];\n+static phys_addr_t virtio_mmio_base;\n+\n+static int create_virtio_mmios(void)\n+{\n+\tstruct driver *drv;\n+\tint i, ret;\n+\n+\tif (!virtio_mmio_base)\n+\t\treturn -ENODEV;\n+\n+\tdrv = lists_driver_lookup_name(\"virtio-mmio\");\n+\tif (!drv)\n+\t\treturn -ENOENT;\n+\n+\tfor (i = 0; i < VIRTIO_MMIO_NUM; i++) {\n+\t\tvirtio_mmio_plat[i].base = virtio_mmio_base + (VIRTIO_MMIO_SZ * i);\n+\t\tsprintf(virtio_mmio_names[i], \"virtio-%d\", i);\n+\n+\t\tret = device_bind(dm_root(), drv, virtio_mmio_names[i],\n+\t\t\t\t &virtio_mmio_plat[i], ofnode_null(), NULL);\n+\t\tif (ret)\n+\t\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n+}\n+\n /*\n * Theoretical limit derivation:\n * Max Bootinfo Size (Standard Page) = 4096 bytes\n@@ -65,6 +102,9 @@ static void parse_bootinfo(void)\n \t\tcase BI_VIRT_CTRL_BASE:\n \t\t\treset_plat.reg = base;\n \t\t\tbreak;\n+\t\tcase BI_VIRT_VIRTIO_BASE:\n+\t\t\tvirtio_mmio_base = base;\n+\t\t\tbreak;\n \t\tcase BI_MEMCHUNK:\n \t\t\tgd->ram_size = record->data[1];\n \t\t\tbreak;\n@@ -80,6 +120,11 @@ int board_early_init_f(void)\n \treturn 0;\n }\n \n+int board_early_init_r(void)\n+{\n+\treturn create_virtio_mmios();\n+}\n+\n int checkboard(void)\n {\n \tputs(\"Board: QEMU m68k virt\\n\");\n","prefixes":["v4","6/6"]}