From patchwork Mon Sep 7 16:32:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 306030 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59443C433E2 for ; Mon, 7 Sep 2020 16:38:21 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EA32021941 for ; Mon, 7 Sep 2020 16:38:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NGwwOK8a" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA32021941 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=amsat.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41236 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kFK9s-0000Ed-1A for qemu-devel@archiver.kernel.org; Mon, 07 Sep 2020 12:38:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47882) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kFK4v-0008M9-8v; Mon, 07 Sep 2020 12:33:13 -0400 Received: from mail-ed1-x544.google.com ([2a00:1450:4864:20::544]:38566) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kFK4t-0007dB-DR; Mon, 07 Sep 2020 12:33:12 -0400 Received: by mail-ed1-x544.google.com with SMTP id c8so13318869edv.5; Mon, 07 Sep 2020 09:33:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=jBgL1iKIvz4jH+dRa8U6fT1B6oJw6/SF3dkJ8j+0tYI=; b=NGwwOK8a+fHGjLxYQTX0miQrbkb8sWxiahi18i6/0l6gF2OCge51BPuralxFjDtOwG WCR670KtplUUFKsjcCQr8P1sU9i7rgyNA5lEb+6IT9gi6Dj+I2Tx350khN+lPnGT+9jm C3oI9QO/O1+Ly8LcPWfLjnwig/6OuLuH0aKntPyUxpIY9q2Fssck494TxIb9sPAyt+Ov sOTMz4y2wWmUh6W3mLJH4TujsmMJTDU8b8GqG5wEuVteNt1JAtP6rTk9P3yTnvqbd2cj WsDaiEDYYWivElWw5n4lmyvTcSlCVkPvEGNJ4GUxVgPa3Qhu4QrajWR5xmGR7XFNses5 sPWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=jBgL1iKIvz4jH+dRa8U6fT1B6oJw6/SF3dkJ8j+0tYI=; b=VR4EnWhribgHkMo4j+6jYUHUKFkVthRjAfQxVNZ6V7Jx2DJeQK05SYSY1SApP54RV6 +yxylMpOfTd7ctxAeq7TK3zC3/o27rSRXVfazD3XzywuR24hwcC+CknOH+djDmE9T3AO xL1+kaHAf259cZmjCHway7Q3Zh5Xk6FezTxDMtiPwL/jf2uTesKO0K6J6SJVMXeADzQO pKEOoc2kzUPmjKYMN5xdrr2Lte9DxVaFt53AiQis/lH57N5Is2GZ6Wok+b7icbT2GD6g 3RMX8fQjeYVgAYb2uUz4xXsL0gAptFAw4BYmPZTVJuQcUQioxtC219kCpETPe7qVTS3r EVPQ== X-Gm-Message-State: AOAM530lzsbHSSApmjtKqKRn1hX6NQPt3Yfo/E/Ef4UwHpXOE+hQ8deI nTieUgxVSIdaX5kLf5LwGvDdnb41g5c= X-Google-Smtp-Source: ABdhPJzLqAShOBauj9CSuC2lWda9KUiMdypw8ZqnFRsq/c1VE1GLiZkhjn3SOr7dgMJjd13xiI7RlQ== X-Received: by 2002:a05:6402:b68:: with SMTP id cb8mr4902112edb.350.1599496389494; Mon, 07 Sep 2020 09:33:09 -0700 (PDT) Received: from x1w.redhat.com (65.red-83-57-170.dynamicip.rima-tde.net. [83.57.170.65]) by smtp.gmail.com with ESMTPSA id u13sm15700199ejn.82.2020.09.07.09.33.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2020 09:33:08 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 6/8] hw/misc/mps2-scc: Use the LED device Date: Mon, 7 Sep 2020 18:32:55 +0200 Message-Id: <20200907163257.46527-7-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200907163257.46527-1-f4bug@amsat.org> References: <20200907163257.46527-1-f4bug@amsat.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::544; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-ed1-x544.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Andrew Jeffery , Joaquin de Andres , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , Luc Michel , Joel Stanley Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Per the 'ARM MPS2 and MPS2+ FPGA Prototyping Boards Technical Reference Manual' (100112_0200_07_en): 2.1 Overview of the MPS2 and MPS2+ hardware The MPS2 and MPS2+ FPGA Prototyping Boards contain the following components and interfaces: * User switches and user LEDs: - Two green LEDs and two push buttons that connect to the FPGA. - Eight green LEDs and one 8-way dip switch that connect to the MCC. Add the 8 LEDs connected to the MCC. This remplaces the 'mps2_scc_leds' trace events by the generic 'led_set_intensity' event. Signed-off-by: Philippe Mathieu-Daudé --- https://youtu.be/l9kD70uPchk?t=288 --- include/hw/misc/mps2-scc.h | 2 ++ hw/misc/mps2-scc.c | 25 ++++++++++++++----------- hw/misc/Kconfig | 1 + hw/misc/trace-events | 1 - 4 files changed, 17 insertions(+), 12 deletions(-) diff --git a/include/hw/misc/mps2-scc.h b/include/hw/misc/mps2-scc.h index 7045473788b..8542f384227 100644 --- a/include/hw/misc/mps2-scc.h +++ b/include/hw/misc/mps2-scc.h @@ -13,6 +13,7 @@ #define MPS2_SCC_H #include "hw/sysbus.h" +#include "hw/misc/led.h" #define TYPE_MPS2_SCC "mps2-scc" #define MPS2_SCC(obj) OBJECT_CHECK(MPS2SCC, (obj), TYPE_MPS2_SCC) @@ -25,6 +26,7 @@ typedef struct { /*< public >*/ MemoryRegion iomem; + LEDState *led[8]; uint32_t cfg0; uint32_t cfg1; diff --git a/hw/misc/mps2-scc.c b/hw/misc/mps2-scc.c index 9d0909e7b35..745505b849d 100644 --- a/hw/misc/mps2-scc.c +++ b/hw/misc/mps2-scc.c @@ -20,11 +20,13 @@ #include "qemu/osdep.h" #include "qemu/log.h" #include "qemu/module.h" +#include "qemu/bitops.h" #include "trace.h" #include "hw/sysbus.h" #include "migration/vmstate.h" #include "hw/registerfields.h" #include "hw/misc/mps2-scc.h" +#include "hw/misc/led.h" #include "hw/qdev-properties.h" REG32(CFG0, 0) @@ -152,18 +154,10 @@ static void mps2_scc_write(void *opaque, hwaddr offset, uint64_t value, s->cfg0 = value; break; case A_CFG1: - /* CFG1 bits [7:0] control the board LEDs. We don't currently have - * a mechanism for displaying this graphically, so use a trace event. - */ - trace_mps2_scc_leds(value & 0x80 ? '*' : '.', - value & 0x40 ? '*' : '.', - value & 0x20 ? '*' : '.', - value & 0x10 ? '*' : '.', - value & 0x08 ? '*' : '.', - value & 0x04 ? '*' : '.', - value & 0x02 ? '*' : '.', - value & 0x01 ? '*' : '.'); s->cfg1 = value; + for (size_t i = 0; i < ARRAY_SIZE(s->led); i++) { + led_set_state(s->led[i], extract32(value, i, 1)); + } break; case A_CFGDATA_OUT: s->cfgdata_out = value; @@ -245,10 +239,19 @@ static void mps2_scc_init(Object *obj) memory_region_init_io(&s->iomem, obj, &mps2_scc_ops, s, "mps2-scc", 0x1000); sysbus_init_mmio(sbd, &s->iomem); + } static void mps2_scc_realize(DeviceState *dev, Error **errp) { + MPS2SCC *s = MPS2_SCC(dev); + + for (size_t i = 0; i < ARRAY_SIZE(s->led); i++) { + char *name = g_strdup_printf("SCC LED%zu", i); + s->led[i] = led_create_simple(OBJECT(dev), GPIO_POLARITY_ACTIVE_HIGH, + LED_COLOR_GREEN, name); + g_free(name); + } } static const VMStateDescription mps2_scc_vmstate = { diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index 0cecad45aad..7557a3e7b46 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -97,6 +97,7 @@ config MPS2_FPGAIO config MPS2_SCC bool + select LED config TZ_MPC bool diff --git a/hw/misc/trace-events b/hw/misc/trace-events index 43b9e0cf250..a620a358feb 100644 --- a/hw/misc/trace-events +++ b/hw/misc/trace-events @@ -85,7 +85,6 @@ aspeed_scu_write(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 mps2_scc_read(uint64_t offset, uint64_t data, unsigned size) "MPS2 SCC read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u" mps2_scc_write(uint64_t offset, uint64_t data, unsigned size) "MPS2 SCC write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u" mps2_scc_reset(void) "MPS2 SCC: reset" -mps2_scc_leds(char led7, char led6, char led5, char led4, char led3, char led2, char led1, char led0) "MPS2 SCC LEDs: %c%c%c%c%c%c%c%c" mps2_scc_cfg_write(unsigned function, unsigned device, uint32_t value) "MPS2 SCC config write: function %d device %d data 0x%" PRIx32 mps2_scc_cfg_read(unsigned function, unsigned device, uint32_t value) "MPS2 SCC config read: function %d device %d data 0x%" PRIx32