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Tue, 25 Jul 2023 09:08:04 -0500 From: Tanmay Shah To: Simon Glass , Tom Rini CC: , , , Michal Simek , Venkatesh Abbarapu , Mathieu Poirier , Nishanth Menon , Tanmay Shah Subject: [RFC PATCH 06/10] cmd: add rpmsg framework commands Date: Tue, 25 Jul 2023 07:06:46 -0700 Message-ID: <20230725140650.951581-7-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230725140650.951581-1-tanmay.shah@amd.com> References: <20230725140650.951581-1-tanmay.shah@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT082:EE_|DM4PR12MB5937:EE_ X-MS-Office365-Filtering-Correlation-Id: 98b94c07-f904-4bc3-0c25-08db8d1892a9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230028)(4636009)(136003)(346002)(376002)(396003)(39860400002)(82310400008)(451199021)(36840700001)(46966006)(40470700004)(47076005)(2616005)(426003)(36756003)(36860700001)(8936002)(44832011)(6666004)(8676002)(70206006)(70586007)(316002)(83380400001)(54906003)(478600001)(4326008)(110136005)(40460700003)(82740400003)(2906002)(41300700001)(186003)(81166007)(26005)(336012)(86362001)(1076003)(356005)(5660300002)(40480700001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jul 2023 14:08:08.1559 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 98b94c07-f904-4bc3-0c25-08db8d1892a9 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT082.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5937 X-Mailman-Approved-At: Tue, 25 Jul 2023 17:40:30 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This patch introduces commands to use rpmsg framework rpmsg init - Initialize rpmsg framework for remote core rpmsg debug_data <"tx" / "rx"> - debug tx or rx virtqueues. This command simply uses virtqueue_dump_data and prints virtqueue for rpmsg device mapped to Signed-off-by: Tanmay Shah --- MAINTAINERS | 1 + cmd/Kconfig | 6 +++++ cmd/Makefile | 1 + cmd/rpmsg.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++ include/rpmsg.h | 5 ++++ 5 files changed, 74 insertions(+) create mode 100644 cmd/rpmsg.c diff --git a/MAINTAINERS b/MAINTAINERS index 876a7fdbdf..8e40da38e7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1368,6 +1368,7 @@ F: doc/README.rockusb RPMSG M: Tanmay Shah S: Maintained +F: cmd/rpmsg.c F: drivers/rpmsg/* F: include/rpmsg.h F: test/dm/rpmsg.c diff --git a/cmd/Kconfig b/cmd/Kconfig index 2d6e5f993f..355644a3fa 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1450,6 +1450,12 @@ config CMD_REMOTEPROC help Support for Remote Processor control +config CMD_RPMSG + bool "rpmsg" + help + Support for RPMsg protocol over virtio for data transfer between + U-Boot and remote processor firmware + config CMD_SATA bool "sata - Access SATA subsystem" select SATA diff --git a/cmd/Makefile b/cmd/Makefile index 9f8c0b058b..23838698ea 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -149,6 +149,7 @@ obj-$(CONFIG_CMD_REGINFO) += reginfo.o obj-$(CONFIG_CMD_REISER) += reiser.o obj-$(CONFIG_CMD_REMOTEPROC) += remoteproc.o obj-$(CONFIG_CMD_RNG) += rng.o +obj-$(CONFIG_CMD_RPMSG) += rpmsg.o obj-$(CONFIG_CMD_KASLRSEED) += kaslrseed.o obj-$(CONFIG_CMD_ROCKUSB) += rockusb.o obj-$(CONFIG_CMD_RTC) += rtc.o diff --git a/cmd/rpmsg.c b/cmd/rpmsg.c new file mode 100644 index 0000000000..da8aa05c9d --- /dev/null +++ b/cmd/rpmsg.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023, Advanced Micro Devices, Inc. + */ +#include +#include +#include +#include +#include +#include + +static int do_rpmsg_init(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + /* Expect args to */ + + int core_id, ret = CMD_RET_USAGE; + + if (argc != 2) + return ret; + + core_id = strtoul(argv[1], NULL, 16); + rpmsg_init(core_id); + + return 0; +} + +static int do_rpmsg_debug_data(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + /* + * Expect args to + */ + int core_id, vq_id; + + if (argc != 3) + return CMD_RET_USAGE; + + core_id = strtoul(argv[1], NULL, 10); + if (!strcmp(argv[2], "rx")) + vq_id = 0; + else if (!strcmp(argv[2], "tx")) + vq_id = 1; + else + return CMD_RET_USAGE; + + rpmsg_debug_data(core_id, vq_id); + + return 0; +} + +static char rpmsg_cmd_help[] = + "Send/Recv data over RPMsg channel from U-Boot to remote processor.\n" + "commands:\n" + "rpmsg init \n" + "rpmsg debug_data \n"; + +U_BOOT_CMD_WITH_SUBCMDS(rpmsg, "rpmsg subsystem", rpmsg_cmd_help, + U_BOOT_SUBCMD_MKENT(init, 2, 0, do_rpmsg_init), + U_BOOT_SUBCMD_MKENT(debug_data, 3, 1, + do_rpmsg_debug_data)); diff --git a/include/rpmsg.h b/include/rpmsg.h index bed61240ca..18e8ee1ee2 100644 --- a/include/rpmsg.h +++ b/include/rpmsg.h @@ -118,6 +118,7 @@ typedef int (*rpmsg_rx_cb_t)(void *buf, int msg_len, u32 msgs_received); int rpmsg_init(int core_id); int rpmsg_send(int core_id, void *data, int len); int rpmsg_recv(int core_id, rpmsg_rx_cb_t cb); +void rpmsg_debug_data(int core_id, int vq_id); #else int rpmsg_init(int core_id) @@ -135,6 +136,10 @@ int rpmsg_recv(int core_id, rpmsg_rx_cb_t cb) return -ENODEV; } +void rpmsg_debug_data(int core_id, int vq_id) +{ +} + #endif /* IS_ENABLED(CONFIG_RPMSG) */ #endif /* _RPMSG_H */