From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 25 Nov 2021 17:09:09 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mqHJ7-0001Y8-En for lore@lore.pengutronix.de; Thu, 25 Nov 2021 17:09:09 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mqHJ4-0000EQ-OV for lore@pengutronix.de; Thu, 25 Nov 2021 17:09:09 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=664RvT5/K9mxjYipOjtQ1fp98GsbtIbPm0gd2kPFL1U=; b=1+m6+kjON8aEjM A36Ru2UdkEsCoEb/DZwbDDnXkhdgyDiWtjvjXPLdTyGw8CMikh2LVAZbV3IOz2DwDxyBX4gnN3DU+ cflKn2V0150K5VPkbCU85zwjYMbWNtnWjmGj8YUgqZggZ2Fi/wu9gYIuUx3B5gyqNI2RxTrO827A5 JWbfUlnHXlH64lxUqTZfb3qp3fDFy9O+GnnfWHTmVFZoC20ynLMFMml+c+DDt8nWOnqWMrPF3w0Zq lH23SVGEniPumoBQ57dqIAhTBqfwLetGDgiToaxmtlh6Aof7zb/JNhMl0auaKTqepSkzSn29Us4C8 GyoWne31suBbmmdAwGBg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqHH8-008C8X-6Z; Thu, 25 Nov 2021 16:07:06 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mqHH1-008C78-RQ for barebox@lists.infradead.org; Thu, 25 Nov 2021 16:07:01 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mqHH0-0008SQ-Et; Thu, 25 Nov 2021 17:06:58 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1mqHGz-00G41P-Uv; Thu, 25 Nov 2021 17:06:57 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 25 Nov 2021 17:06:57 +0100 Message-Id: <20211125160657.3828643-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211125_080659_907234_860EEF59 X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] RISC-V: virt: add DEBUG_LL support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) While we have PBL console support, console isn't available during early barebox startup. Implement DEBUG_LL for Qemu RISC-V Virt to make such early debugging easier. Signed-off-by: Ahmad Fatoum --- arch/riscv/Kconfig.socs | 1 + arch/riscv/include/asm/debug_ll.h | 10 ++++++++-- common/Kconfig | 5 +++++ 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index bd4a44a575ef..b12c795041b0 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -18,6 +18,7 @@ config SOC_VIRT select RISCV_S_MODE select BOARD_RISCV_GENERIC_DT select HAS_CACHE + select HAS_ASM_DEBUG_LL help Generates an image tht can be be booted by QEMU. The image is called barebox-dt-2nd.img diff --git a/arch/riscv/include/asm/debug_ll.h b/arch/riscv/include/asm/debug_ll.h index a3b9c1c4bcfb..d01b4f09b8e1 100644 --- a/arch/riscv/include/asm/debug_ll.h +++ b/arch/riscv/include/asm/debug_ll.h @@ -17,13 +17,19 @@ #if defined CONFIG_DEBUG_ERIZO #define DEBUG_LL_UART_ADDR 0x90000000 #define DEBUG_LL_UART_CLK (24000000 / 16) +#define DEBUG_LL_UART_SHIFT 2 +#define DEBUG_LL_UART_IOSIZE32 #elif defined CONFIG_DEBUG_STARFIVE #define DEBUG_LL_UART_ADDR 0x12440000 #define DEBUG_LL_UART_CLK (100000000 / 16) -#endif - #define DEBUG_LL_UART_SHIFT 2 #define DEBUG_LL_UART_IOSIZE32 +#elif defined CONFIG_DEBUG_RISCV_VIRT +#define DEBUG_LL_UART_ADDR 0x10000000 +#define DEBUG_LL_UART_CLK (58982400 / 16) +#define DEBUG_LL_UART_SHIFT 0 +#define DEBUG_LL_UART_IOSIZE8 +#endif #define DEBUG_LL_UART_BPS CONFIG_BAUDRATE #define DEBUG_LL_UART_DIVISOR (DEBUG_LL_UART_CLK / DEBUG_LL_UART_BPS) diff --git a/common/Kconfig b/common/Kconfig index f4120b2083ee..ab6258d90f40 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1402,6 +1402,11 @@ config DEBUG_STARFIVE depends on SOC_STARFIVE select DEBUG_LL_NS16550 +config DEBUG_RISCV_VIRT + bool "RISC-V Virt ns16550 port" + depends on SOC_VIRT + select DEBUG_LL_NS16550 + config DEBUG_SIFIVE bool "SiFive serial0 port" depends on SOC_SIFIVE -- 2.30.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox