From nobody Tue Feb 10 14:32:15 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of _spf.google.com designates 209.85.221.51 as permitted sender) client-ip=209.85.221.51; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-f51.google.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.51 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1599918055; cv=none; d=zohomail.com; s=zohoarc; b=TA0wbLYsk7yQn85DaxJhwBqxwHoFtuqJ2PwgMuSryerxM6RWyQX48JpwT8gOFCSUfk9GbzzcY3lzDZsGuVO0CZfkXu6jtNTwqPkCdUcJnfPI1BLLYyuriteCIJ0X6JlVRB+5Bl6R1O/xW9ayw8EdOFP6w5mrv9Q8tlSVCOWMBYk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1599918055; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Sender:Subject:To; bh=5jonLkEs0bfAQb56MWErimOd7AbsJVnkd4i01BNhPLw=; b=NLjE+ZfL/KZrykQmPRP7dcxFtnxH8SAh3+yu7Pn2/gSHakTfcs1jHJ+SPRiof/m6LINjV9zkqQo6Ve7dyU4si+wbQcQDxxJnf3QrDvFDDTk3QCd5PO8gDMIb4xoq3zqkOYeFTLQYjyEZK1IYQmCKpV7FEKlHtxPqj9QyeGit24c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.221.51 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) by mx.zohomail.com with SMTPS id 159991805555182.71648644288939; Sat, 12 Sep 2020 06:40:55 -0700 (PDT) Received: by mail-wr1-f51.google.com with SMTP id x14so14067555wrl.12 for ; Sat, 12 Sep 2020 06:40:54 -0700 (PDT) Return-Path: Return-Path: Received: from localhost.localdomain (65.red-83-57-170.dynamicip.rima-tde.net. [83.57.170.65]) by smtp.gmail.com with ESMTPSA id u66sm10309144wmg.44.2020.09.12.06.40.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Sep 2020 06:40:52 -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=5jonLkEs0bfAQb56MWErimOd7AbsJVnkd4i01BNhPLw=; b=tI0P0bmrLxrX57L1IDZSIKcu56JJVbF+8DbAneZ+thrh2Jgayed6PtWT5lFu5teUpE OLZfA9qnpvno1CLUhnDVziuV0pdnfuJQ6k3TLktzVzXJEh0MHmcJrv/CVFLFjQiZiMvd dMg/w9eDE+CLJ2WdWt+S2X1XRawranqRlWDCVThag+l4TVbuAZkpP4+ackHe84nI9WJF Y1pc0hkg977W0JWaKODRz8+JPuTs/S+vSH9gK+CUfNtFzDU+M/5VDCzhNaFUO1ry8ydx qnvk2uivMAkBQss8CNZ+KBVy0eggPm1tWFWFM+qfZKMhZcEOSm3oN2v9kBfhWhpjoQGl I+LA== 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=5jonLkEs0bfAQb56MWErimOd7AbsJVnkd4i01BNhPLw=; b=YZCYXqgTQ5Fbk7VSWnj8H9AkG8BND/u1WB4ARUWvMe0vRDcWfgIajtQ3RXqSZG3bir CosKRDd0WYQjqQIGTRdpiuGKqFc7XKMl1ITJLdrO/W5hvES6QQj8kAZSuhCsD4n2QmcC wy6HU2oglaiKw2tml+SlGF2KeQEl1qA9SQQqQZBLSJgDbP/Io4v7zed9gH2p9EB6QBRS FC667uu78aiBkizVbITAK6A4CWZVRJXrcQ/o/+jVTHp7RvxLIvh8xU+TSh3ncKwkRhRy /UieeqHeZDVOnlyagRdJoPX/nzt3+5eM0NSrD9y2S9LXa0xrKrBC7kLL6ZrQmjVaPFRf l2EQ== X-Gm-Message-State: AOAM5338PgCUhqV8W/R6yfCNfAo1Us8JwGovwVfn5dJnXOFKNolUcYju JBZ9NJPJxljNQyh1EYmaMEY= X-Google-Smtp-Source: ABdhPJxhWP0JKUptI2SmQz/OShye0bsqZuRq+MbseRg1L5BdOEfDt+RogckwOpbUDq24vz/q8OwajA== X-Received: by 2002:a5d:4e0f:: with SMTP id p15mr6936109wrt.155.1599918053110; Sat, 12 Sep 2020 06:40:53 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Andrew Jeffery , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Paolo Bonzini , Joel Stanley , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Peter Maydell , Luc Michel , Andrzej Zaborowski , Eduardo Habkost , qemu-arm@nongnu.org, Richard Henderson Subject: [PATCH v6 6/7] hw/misc/mps2-scc: Use the LED device Date: Sat, 12 Sep 2020 15:40:40 +0200 Message-Id: <20200912134041.946260-7-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200912134041.946260-1-f4bug@amsat.org> References: <20200912134041.946260-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) 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 replaces the 'mps2_scc_leds' trace events by the generic 'led_set_intensity' event. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Reviewed-by: Luc Michel --- include/hw/misc/mps2-scc.h | 2 ++ hw/misc/mps2-scc.c | 27 ++++++++++++++++----------- hw/misc/Kconfig | 1 + hw/misc/trace-events | 1 - 4 files changed, 19 insertions(+), 12 deletions(-) diff --git a/include/hw/misc/mps2-scc.h b/include/hw/misc/mps2-scc.h index 445e268b1fd..0009479ae83 100644 --- a/include/hw/misc/mps2-scc.h +++ b/include/hw/misc/mps2-scc.h @@ -13,6 +13,7 @@ #define MPS2_SCC_H =20 #include "hw/sysbus.h" +#include "hw/misc/led.h" #include "qom/object.h" =20 #define TYPE_MPS2_SCC "mps2-scc" @@ -28,6 +29,7 @@ struct MPS2SCC { =20 /*< public >*/ MemoryRegion iomem; + LEDState *led[8]; =20 uint32_t cfg0; uint32_t cfg1; diff --git a/hw/misc/mps2-scc.c b/hw/misc/mps2-scc.c index 9d0909e7b35..ce1dfe93562 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" =20 REG32(CFG0, 0) @@ -152,18 +154,10 @@ static void mps2_scc_write(void *opaque, hwaddr offse= t, uint64_t value, s->cfg0 =3D 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 eve= nt. - */ - trace_mps2_scc_leds(value & 0x80 ? '*' : '.', - value & 0x40 ? '*' : '.', - value & 0x20 ? '*' : '.', - value & 0x10 ? '*' : '.', - value & 0x08 ? '*' : '.', - value & 0x04 ? '*' : '.', - value & 0x02 ? '*' : '.', - value & 0x01 ? '*' : '.'); s->cfg1 =3D value; + for (size_t i =3D 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 =3D value; @@ -236,6 +230,9 @@ static void mps2_scc_reset(DeviceState *dev) for (i =3D 0; i < NUM_OSCCLK; i++) { s->oscclk[i] =3D s->oscclk_reset[i]; } + for (i =3D 0; i < ARRAY_SIZE(s->led); i++) { + device_cold_reset(DEVICE(s->led[i])); + } } =20 static void mps2_scc_init(Object *obj) @@ -249,6 +246,14 @@ static void mps2_scc_init(Object *obj) =20 static void mps2_scc_realize(DeviceState *dev, Error **errp) { + MPS2SCC *s =3D MPS2_SCC(dev); + + for (size_t i =3D 0; i < ARRAY_SIZE(s->led); i++) { + char *name =3D g_strdup_printf("SCC LED%zu", i); + s->led[i] =3D led_create_simple(OBJECT(dev), GPIO_POLARITY_ACTIVE_= HIGH, + LED_COLOR_GREEN, name); + g_free(name); + } } =20 static const VMStateDescription mps2_scc_vmstate =3D { 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 =20 config MPS2_SCC bool + select LED =20 config TZ_MPC bool diff --git a/hw/misc/trace-events b/hw/misc/trace-events index 908272e8593..97f511aa58c 100644 --- a/hw/misc/trace-events +++ b/hw/misc/trace-events @@ -84,7 +84,6 @@ 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 rea= d: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u" mps2_scc_write(uint64_t offset, uint64_t data, unsigned size) "MPS2 SCC wr= ite: 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) "MP= S2 SCC config write: function %d device %d data 0x%" PRIx32 mps2_scc_cfg_read(unsigned function, unsigned device, uint32_t value) "MPS= 2 SCC config read: function %d device %d data 0x%" PRIx32 =20 --=20 2.26.2