From nobody Mon Feb 9 06:50:27 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1592159415; cv=none; d=zohomail.com; s=zohoarc; b=Sf97w2TuM41RijoRMAm1QYpMwfXwOUhhxGjjobO93F24X24OyxKTxeY6VOaF173MbcLNi8jXYSe55VJkiPM6ly3jNIElxu09Z8VnSOj9IHp6TSQsMZmnLeXvaL4s8VRV3MFgzRlNOFH6lj3jusMr62pUdhsCegEL/WsIdMd5Pbo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1592159415; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=ICKX4pFUz7cTsdHJWUtknX7JxVoLKM7arWbnJXMAD0c=; b=Uxzd774FkvL6RPMd7MLtIDS7z5BP+Ln1aM8g2jybBUX0NJZMf4bjGygR3981hixGgcD4U5e6K/kazvEaS6qENKM9kaJfR2JanGWzIUWeH690/xAaX2XHNjEtKdevT3SuTRmtu2alChqo5wckCt4MuWYOseYW5xdQboZg+4xzyf4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1592159415208502.0421216253236; Sun, 14 Jun 2020 11:30:15 -0700 (PDT) Received: from localhost ([::1]:55364 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jkXOX-0000ll-UM for importer@patchew.org; Sun, 14 Jun 2020 14:30:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48820) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkXLS-0004Fo-Eh; Sun, 14 Jun 2020 14:27:02 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]:52080) by eggs.gnu.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkXLQ-0007gy-D4; Sun, 14 Jun 2020 14:27:02 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 6C198748DDD; Sun, 14 Jun 2020 20:26:44 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id C44E2748DDB; Sun, 14 Jun 2020 20:26:43 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v4 9/9] mac_oldworld: Add SPD data to cover RAM Date: Sun, 14 Jun 2020 20:13:19 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/14 14:26:44 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: Howard Spoelstra , Mark Cave-Ayland , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" OpenBIOS gets RAM size via fw_cfg but rhe original board firmware detects RAM using SPD data so generate and add SDP eeproms to cover as much RAM as possible to describe with SPD (this may be less than the actual ram_size due to SDRAM size constraints). Signed-off-by: BALATON Zoltan --- hw/ppc/mac_oldworld.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 53615af6b1..1f85859034 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -34,6 +34,7 @@ #include "hw/input/adb.h" #include "sysemu/sysemu.h" #include "net/net.h" +#include "hw/i2c/smbus_eeprom.h" #include "hw/isa/isa.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" @@ -137,6 +138,8 @@ static void ppc_heathrow_init(MachineState *machine) DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; uint64_t tbfreq; + uint8_t *spd_data[3] =3D {}; + I2CBus *i2c_bus; =20 linux_boot =3D (kernel_filename !=3D NULL); =20 @@ -156,8 +159,16 @@ static void ppc_heathrow_init(MachineState *machine) "maximum 2047 MB", ram_size / MiB); exit(1); } - memory_region_add_subregion(sysmem, 0, machine->ram); + for (i =3D 0; i < 3; i++) { + int size_left =3D ram_size - i * 512 * MiB; + if (size_left > 0) { + uint32_t s =3D size_left / MiB; + s =3D (s > 512 ? 512 : s); + s =3D 1U << (31 - clz32(s)); + spd_data[i] =3D spd_data_generate(SDR, s * MiB); + } + } =20 /* allocate and load firmware ROM */ memory_region_init_rom(bios, NULL, "ppc_heathrow.bios", PROM_SIZE, @@ -340,6 +351,12 @@ static void ppc_heathrow_init(MachineState *machine) macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]); =20 dev =3D DEVICE(object_resolve_path_component(OBJECT(macio), "cuda")); + i2c_bus =3D I2C_BUS(qdev_get_child_bus(dev, "i2c")); + for (i =3D 0; i < 3; i++) { + if (spd_data[i]) { + smbus_eeprom_init_one(i2c_bus, 0x50 + i, spd_data[i]); + } + } adb_bus =3D qdev_get_child_bus(dev, "adb.0"); dev =3D qdev_create(adb_bus, TYPE_ADB_KEYBOARD); qdev_init_nofail(dev); --=20 2.21.3