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Tue, 17 Jan 2023 21:42:19 -0500 (EST) From: Peter Delevoryas To: Cc: peter@pjd.dev, clg@kaod.org, peter.maydell@linaro.org, andrew@aj.id.au, joel@jms.id.au, hskinnemoen@google.com, kfting@nuvoton.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, philmd@linaro.org Subject: [PATCH v4 1/5] hw/arm: Extract at24c_eeprom_init helper from Aspeed and Nuvoton boards Date: Tue, 17 Jan 2023 18:42:10 -0800 Message-Id: <20230118024214.14413-2-peter@pjd.dev> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118024214.14413-1-peter@pjd.dev> References: <20230118024214.14413-1-peter@pjd.dev> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.26; envelope-from=peter@pjd.dev; helo=out2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This helper is useful in board initialization because lets users initialize and realize an EEPROM on an I2C bus with a single function call. Signed-off-by: Peter Delevoryas Reviewed-by: Cédric Le Goater Reviewed-by: Joel Stanley Reviewed-by: Corey Minyard --- hw/arm/aspeed.c | 10 +--------- hw/arm/npcm7xx_boards.c | 20 +++++--------------- hw/nvram/eeprom_at24c.c | 12 ++++++++++++ include/hw/nvram/eeprom_at24c.h | 23 +++++++++++++++++++++++ 4 files changed, 41 insertions(+), 24 deletions(-) create mode 100644 include/hw/nvram/eeprom_at24c.h diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index 55f114ef729f..1f9799d4321e 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -17,6 +17,7 @@ #include "hw/i2c/i2c_mux_pca954x.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/misc/pca9552.h" +#include "hw/nvram/eeprom_at24c.h" #include "hw/sensor/tmp105.h" #include "hw/misc/led.h" #include "hw/qdev-properties.h" @@ -429,15 +430,6 @@ static void aspeed_machine_init(MachineState *machine) arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo); } -static void at24c_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize) -{ - I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr); - DeviceState *dev = DEVICE(i2c_dev); - - qdev_prop_set_uint32(dev, "rom-size", rsize); - i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort); -} - static void palmetto_bmc_i2c_init(AspeedMachineState *bmc) { AspeedSoCState *soc = &bmc->soc; diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c index 6bc6f5d2fe29..9b31207a06e9 100644 --- a/hw/arm/npcm7xx_boards.c +++ b/hw/arm/npcm7xx_boards.c @@ -21,6 +21,7 @@ #include "hw/i2c/i2c_mux_pca954x.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/loader.h" +#include "hw/nvram/eeprom_at24c.h" #include "hw/qdev-core.h" #include "hw/qdev-properties.h" #include "qapi/error.h" @@ -140,17 +141,6 @@ static I2CBus *npcm7xx_i2c_get_bus(NPCM7xxState *soc, uint32_t num) return I2C_BUS(qdev_get_child_bus(DEVICE(&soc->smbus[num]), "i2c-bus")); } -static void at24c_eeprom_init(NPCM7xxState *soc, int bus, uint8_t addr, - uint32_t rsize) -{ - I2CBus *i2c_bus = npcm7xx_i2c_get_bus(soc, bus); - I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr); - DeviceState *dev = DEVICE(i2c_dev); - - qdev_prop_set_uint32(dev, "rom-size", rsize); - i2c_slave_realize_and_unref(i2c_dev, i2c_bus, &error_abort); -} - static void npcm7xx_init_pwm_splitter(NPCM7xxMachine *machine, NPCM7xxState *soc, const int *fan_counts) { @@ -253,8 +243,8 @@ static void quanta_gsj_i2c_init(NPCM7xxState *soc) i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 3), "tmp105", 0x5c); i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), "tmp105", 0x5c); - at24c_eeprom_init(soc, 9, 0x55, 8192); - at24c_eeprom_init(soc, 10, 0x55, 8192); + at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 9), 0x55, 8192); + at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 10), 0x55, 8192); /* * i2c-11: @@ -360,7 +350,7 @@ static void kudo_bmc_i2c_init(NPCM7xxState *soc) i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), TYPE_PCA9548, 0x77); - at24c_eeprom_init(soc, 4, 0x50, 8192); /* mbfru */ + at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 4), 0x50, 8192); /* mbfru */ i2c_mux = i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 13), TYPE_PCA9548, 0x77); @@ -371,7 +361,7 @@ static void kudo_bmc_i2c_init(NPCM7xxState *soc) i2c_slave_create_simple(pca954x_i2c_get_bus(i2c_mux, 4), "tmp105", 0x48); i2c_slave_create_simple(pca954x_i2c_get_bus(i2c_mux, 5), "tmp105", 0x49); - at24c_eeprom_init(soc, 14, 0x55, 8192); /* bmcfru */ + at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 14), 0x55, 8192); /* bmcfru */ /* TODO: Add remaining i2c devices. */ } diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c index 2d4d8b952f38..98857e3626b9 100644 --- a/hw/nvram/eeprom_at24c.c +++ b/hw/nvram/eeprom_at24c.c @@ -12,6 +12,7 @@ #include "qapi/error.h" #include "qemu/module.h" #include "hw/i2c/i2c.h" +#include "hw/nvram/eeprom_at24c.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" #include "sysemu/block-backend.h" @@ -128,6 +129,17 @@ int at24c_eeprom_send(I2CSlave *s, uint8_t data) return 0; } +I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size) +{ + I2CSlave *i2c_dev = i2c_slave_new(TYPE_AT24C_EE, address); + DeviceState *dev = DEVICE(i2c_dev); + + qdev_prop_set_uint32(dev, "rom-size", rom_size); + i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort); + + return i2c_dev; +} + static void at24c_eeprom_realize(DeviceState *dev, Error **errp) { EEPROMState *ee = AT24C_EE(dev); diff --git a/include/hw/nvram/eeprom_at24c.h b/include/hw/nvram/eeprom_at24c.h new file mode 100644 index 000000000000..196db309d451 --- /dev/null +++ b/include/hw/nvram/eeprom_at24c.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) Meta Platforms, Inc. and affiliates. + * + * SPDX-License-Identifier: GPL-2.0-only + */ + +#ifndef EEPROM_AT24C_H +#define EEPROM_AT24C_H + +#include "hw/i2c/i2c.h" + +/* + * Create and realize an AT24C EEPROM device on the heap. + * @bus: I2C bus to put it on + * @address: I2C address of the EEPROM slave when put on a bus + * @rom_size: size of the EEPROM + * + * Create the device state structure, initialize it, put it on the specified + * @bus, and drop the reference to it (the device is realized). + */ +I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size); + +#endif From patchwork Wed Jan 18 02:42:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Delevoryas X-Patchwork-Id: 13105425 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C8E1DC00A5A for ; Wed, 18 Jan 2023 02:43:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHyPG-0005Ve-EP; Tue, 17 Jan 2023 21:42:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHyPB-0005T8-Q7; Tue, 17 Jan 2023 21:42:26 -0500 Received: from out2-smtp.messagingengine.com ([66.111.4.26]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHyP9-0006px-Hr; 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Tue, 17 Jan 2023 21:42:20 -0500 (EST) From: Peter Delevoryas To: Cc: peter@pjd.dev, clg@kaod.org, peter.maydell@linaro.org, andrew@aj.id.au, joel@jms.id.au, hskinnemoen@google.com, kfting@nuvoton.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, philmd@linaro.org Subject: [PATCH v4 2/5] hw/arm/aspeed: Replace aspeed_eeprom_init with at24c_eeprom_init Date: Tue, 17 Jan 2023 18:42:11 -0800 Message-Id: <20230118024214.14413-3-peter@pjd.dev> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118024214.14413-1-peter@pjd.dev> References: <20230118024214.14413-1-peter@pjd.dev> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.26; envelope-from=peter@pjd.dev; helo=out2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org aspeed_eeprom_init is an exact copy of at24c_eeprom_init, not needed. Signed-off-by: Peter Delevoryas Reviewed-by: Cédric Le Goater Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Joel Stanley Reviewed-by: Corey Minyard --- hw/arm/aspeed.c | 95 ++++++++++++++++++++++--------------------------- 1 file changed, 43 insertions(+), 52 deletions(-) diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index 1f9799d4321e..c929c61d582a 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -660,15 +660,6 @@ static void g220a_bmc_i2c_init(AspeedMachineState *bmc) eeprom_buf); } -static void aspeed_eeprom_init(I2CBus *bus, uint8_t addr, uint32_t rsize) -{ - I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr); - DeviceState *dev = DEVICE(i2c_dev); - - qdev_prop_set_uint32(dev, "rom-size", rsize); - i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort); -} - static void fp5280g2_bmc_i2c_init(AspeedMachineState *bmc) { AspeedSoCState *soc = &bmc->soc; @@ -701,7 +692,7 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) AspeedSoCState *soc = &bmc->soc; I2CSlave *i2c_mux; - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 0), 0x51, 32 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 0), 0x51, 32 * KiB); create_pca9552(soc, 3, 0x61); @@ -714,9 +705,9 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) 0x4a); i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "pca9546", 0x70); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x52, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x52, 64 * KiB); create_pca9552(soc, 4, 0x60); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), TYPE_TMP105, @@ -727,8 +718,8 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) create_pca9552(soc, 5, 0x61); i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), "pca9546", 0x70); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), TYPE_TMP105, 0x48); @@ -738,10 +729,10 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) 0x4b); i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), "pca9546", 0x70); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x50, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 3), 0x51, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 2), 0x50, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 3), 0x51, 64 * KiB); create_pca9552(soc, 7, 0x30); create_pca9552(soc, 7, 0x31); @@ -754,15 +745,15 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), TYPE_TMP105, 0x48); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), "max31785", 0x52); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x50, 64 * KiB); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x51, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x50, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 7), 0x51, 64 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), TYPE_TMP105, 0x48); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), TYPE_TMP105, 0x4a); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x50, 64 * KiB); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x51, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x50, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 8), 0x51, 64 * KiB); create_pca9552(soc, 8, 0x60); create_pca9552(soc, 8, 0x61); /* Bus 8: ucd90320@11 */ @@ -771,11 +762,11 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "tmp423", 0x4c); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "tmp423", 0x4d); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 9), 0x50, 128 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 9), 0x50, 128 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "tmp423", 0x4c); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "tmp423", 0x4d); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 10), 0x50, 128 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 10), 0x50, 128 * KiB); i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), TYPE_TMP105, 0x48); @@ -783,18 +774,18 @@ static void rainier_bmc_i2c_init(AspeedMachineState *bmc) 0x49); i2c_mux = i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "pca9546", 0x70); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); - aspeed_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 0), 0x50, 64 * KiB); + at24c_eeprom_init(pca954x_i2c_get_bus(i2c_mux, 1), 0x51, 64 * KiB); create_pca9552(soc, 11, 0x60); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 13), 0x50, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 13), 0x50, 64 * KiB); create_pca9552(soc, 13, 0x60); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 14), 0x50, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 14), 0x50, 64 * KiB); create_pca9552(soc, 14, 0x60); - aspeed_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 15), 0x50, 64 * KiB); + at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 15), 0x50, 64 * KiB); create_pca9552(soc, 15, 0x60); } @@ -838,45 +829,45 @@ static void fuji_bmc_i2c_init(AspeedMachineState *bmc) i2c_slave_create_simple(i2c[17], TYPE_LM75, 0x4c); i2c_slave_create_simple(i2c[17], TYPE_LM75, 0x4d); - aspeed_eeprom_init(i2c[19], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[20], 0x50, 2 * KiB); - aspeed_eeprom_init(i2c[22], 0x52, 2 * KiB); + at24c_eeprom_init(i2c[19], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[20], 0x50, 2 * KiB); + at24c_eeprom_init(i2c[22], 0x52, 2 * KiB); i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x48); i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x49); i2c_slave_create_simple(i2c[3], TYPE_LM75, 0x4a); i2c_slave_create_simple(i2c[3], TYPE_TMP422, 0x4c); - aspeed_eeprom_init(i2c[8], 0x51, 64 * KiB); + at24c_eeprom_init(i2c[8], 0x51, 64 * KiB); i2c_slave_create_simple(i2c[8], TYPE_LM75, 0x4a); i2c_slave_create_simple(i2c[50], TYPE_LM75, 0x4c); - aspeed_eeprom_init(i2c[50], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[50], 0x52, 64 * KiB); i2c_slave_create_simple(i2c[51], TYPE_TMP75, 0x48); i2c_slave_create_simple(i2c[52], TYPE_TMP75, 0x49); i2c_slave_create_simple(i2c[59], TYPE_TMP75, 0x48); i2c_slave_create_simple(i2c[60], TYPE_TMP75, 0x49); - aspeed_eeprom_init(i2c[65], 0x53, 64 * KiB); + at24c_eeprom_init(i2c[65], 0x53, 64 * KiB); i2c_slave_create_simple(i2c[66], TYPE_TMP75, 0x49); i2c_slave_create_simple(i2c[66], TYPE_TMP75, 0x48); - aspeed_eeprom_init(i2c[68], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[69], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[70], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[71], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[68], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[69], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[70], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[71], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[73], 0x53, 64 * KiB); + at24c_eeprom_init(i2c[73], 0x53, 64 * KiB); i2c_slave_create_simple(i2c[74], TYPE_TMP75, 0x49); i2c_slave_create_simple(i2c[74], TYPE_TMP75, 0x48); - aspeed_eeprom_init(i2c[76], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[77], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[78], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[79], 0x52, 64 * KiB); - aspeed_eeprom_init(i2c[28], 0x50, 2 * KiB); + at24c_eeprom_init(i2c[76], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[77], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[78], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[79], 0x52, 64 * KiB); + at24c_eeprom_init(i2c[28], 0x50, 2 * KiB); for (int i = 0; i < 8; i++) { - aspeed_eeprom_init(i2c[81 + i * 8], 0x56, 64 * KiB); + at24c_eeprom_init(i2c[81 + i * 8], 0x56, 64 * KiB); i2c_slave_create_simple(i2c[82 + i * 8], TYPE_TMP75, 0x48); i2c_slave_create_simple(i2c[83 + i * 8], TYPE_TMP75, 0x4b); i2c_slave_create_simple(i2c[84 + i * 8], TYPE_TMP75, 0x4a); @@ -947,11 +938,11 @@ static void fby35_i2c_init(AspeedMachineState *bmc) i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4e); i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4f); - aspeed_eeprom_init(i2c[4], 0x51, 128 * KiB); - aspeed_eeprom_init(i2c[6], 0x51, 128 * KiB); - aspeed_eeprom_init(i2c[8], 0x50, 32 * KiB); - aspeed_eeprom_init(i2c[11], 0x51, 128 * KiB); - aspeed_eeprom_init(i2c[11], 0x54, 128 * KiB); + at24c_eeprom_init(i2c[4], 0x51, 128 * KiB); + at24c_eeprom_init(i2c[6], 0x51, 128 * KiB); + at24c_eeprom_init(i2c[8], 0x50, 32 * KiB); 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Tue, 17 Jan 2023 21:42:22 -0500 (EST) From: Peter Delevoryas To: Cc: peter@pjd.dev, clg@kaod.org, peter.maydell@linaro.org, andrew@aj.id.au, joel@jms.id.au, hskinnemoen@google.com, kfting@nuvoton.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, philmd@linaro.org Subject: [PATCH v4 3/5] hw/nvram/eeprom_at24c: Add init_rom field and at24c_eeprom_init_rom helper Date: Tue, 17 Jan 2023 18:42:12 -0800 Message-Id: <20230118024214.14413-4-peter@pjd.dev> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118024214.14413-1-peter@pjd.dev> References: <20230118024214.14413-1-peter@pjd.dev> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.26; envelope-from=peter@pjd.dev; helo=out2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Allows users to specify binary data to initialize an EEPROM, allowing users to emulate data programmed at manufacturing time. - Added init_rom and init_rom_size attributes to TYPE_AT24C_EE - Added at24c_eeprom_init_rom helper function to initialize attributes - If -drive property is provided, it overrides init_rom data Signed-off-by: Peter Delevoryas Reviewed-by: Joel Stanley Reviewed-by: Cédric Le Goater Reviewed-by: Corey Minyard --- hw/nvram/eeprom_at24c.c | 37 ++++++++++++++++++++++++++++----- include/hw/nvram/eeprom_at24c.h | 16 ++++++++++++++ 2 files changed, 48 insertions(+), 5 deletions(-) diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c index 98857e3626b9..f8d751fa278d 100644 --- a/hw/nvram/eeprom_at24c.c +++ b/hw/nvram/eeprom_at24c.c @@ -50,6 +50,9 @@ struct EEPROMState { uint8_t *mem; BlockBackend *blk; + + const uint8_t *init_rom; + uint32_t init_rom_size; }; static @@ -131,19 +134,38 @@ int at24c_eeprom_send(I2CSlave *s, uint8_t data) I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size) { - I2CSlave *i2c_dev = i2c_slave_new(TYPE_AT24C_EE, address); - DeviceState *dev = DEVICE(i2c_dev); + return at24c_eeprom_init_rom(bus, address, rom_size, NULL, 0); +} + +I2CSlave *at24c_eeprom_init_rom(I2CBus *bus, uint8_t address, uint32_t rom_size, + const uint8_t *init_rom, uint32_t init_rom_size) +{ + EEPROMState *s; + + s = AT24C_EE(qdev_new(TYPE_AT24C_EE)); + + qdev_prop_set_uint8(DEVICE(s), "address", address); + qdev_prop_set_uint32(DEVICE(s), "rom-size", rom_size); - qdev_prop_set_uint32(dev, "rom-size", rom_size); - i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort); + /* TODO: Model init_rom with QOM properties. */ + s->init_rom = init_rom; + s->init_rom_size = init_rom_size; - return i2c_dev; + i2c_slave_realize_and_unref(I2C_SLAVE(s), bus, &error_abort); + + return I2C_SLAVE(s); } static void at24c_eeprom_realize(DeviceState *dev, Error **errp) { EEPROMState *ee = AT24C_EE(dev); + if (ee->init_rom_size > ee->rsize) { + error_setg(errp, "%s: init rom is larger than rom: %u > %u", + TYPE_AT24C_EE, ee->init_rom_size, ee->rsize); + return; + } + if (ee->blk) { int64_t len = blk_getlength(ee->blk); @@ -163,6 +185,7 @@ static void at24c_eeprom_realize(DeviceState *dev, Error **errp) } ee->mem = g_malloc0(ee->rsize); + } static @@ -176,6 +199,10 @@ void at24c_eeprom_reset(DeviceState *state) memset(ee->mem, 0, ee->rsize); + if (ee->init_rom) { + memcpy(ee->mem, ee->init_rom, MIN(ee->init_rom_size, ee->rsize)); + } + if (ee->blk) { int ret = blk_pread(ee->blk, 0, ee->rsize, ee->mem, 0); diff --git a/include/hw/nvram/eeprom_at24c.h b/include/hw/nvram/eeprom_at24c.h index 196db309d451..acb9857b2add 100644 --- a/include/hw/nvram/eeprom_at24c.h +++ b/include/hw/nvram/eeprom_at24c.h @@ -20,4 +20,20 @@ */ I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size); + +/* + * Create and realize an AT24C EEPROM device on the heap with initial data. + * @bus: I2C bus to put it on + * @address: I2C address of the EEPROM slave when put on a bus + * @rom_size: size of the EEPROM + * @init_rom: Array of bytes to initialize EEPROM memory with + * @init_rom_size: Size of @init_rom, must be less than or equal to @rom_size + * + * Create the device state structure, initialize it, put it on the specified + * @bus, and drop the reference to it (the device is realized). Copies the data + * from @init_rom to the beginning of the EEPROM memory buffer. + */ +I2CSlave *at24c_eeprom_init_rom(I2CBus *bus, uint8_t address, uint32_t rom_size, + const uint8_t *init_rom, uint32_t init_rom_size); + #endif From patchwork Wed Jan 18 02:42:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Delevoryas X-Patchwork-Id: 13105428 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 91F8FC00A5A for ; Wed, 18 Jan 2023 02:43:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHyPI-0005Wo-Ja; Tue, 17 Jan 2023 21:42:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHyPG-0005Vd-BQ; 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Tue, 17 Jan 2023 21:42:23 -0500 (EST) From: Peter Delevoryas To: Cc: peter@pjd.dev, clg@kaod.org, peter.maydell@linaro.org, andrew@aj.id.au, joel@jms.id.au, hskinnemoen@google.com, kfting@nuvoton.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, philmd@linaro.org Subject: [PATCH v4 4/5] hw/arm/aspeed: Add aspeed_eeprom.c Date: Tue, 17 Jan 2023 18:42:13 -0800 Message-Id: <20230118024214.14413-5-peter@pjd.dev> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118024214.14413-1-peter@pjd.dev> References: <20230118024214.14413-1-peter@pjd.dev> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.26; envelope-from=peter@pjd.dev; helo=out2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org - Create aspeed_eeprom.c and aspeed_eeprom.h - Include aspeed_eeprom.c in CONFIG_ASPEED meson source files - Include aspeed_eeprom.h in aspeed.c - Add fby35_bmc_fruid data - Use new at24c_eeprom_init_rom helper to initialize BMC FRUID EEPROM with data from aspeed_eeprom.c wget https://github.com/facebook/openbmc/releases/download/openbmc-e2294ff5d31d/fby35.mtd qemu-system-aarch64 -machine fby35-bmc -nographic -mtdblock fby35.mtd ... user: root pass: 0penBmc ... root@bmc-oob:~# fruid-util bb FRU Information : Baseboard --------------- : ------------------ Chassis Type : Rack Mount Chassis Chassis Part Number : N/A Chassis Serial Number : N/A Board Mfg Date : Fri Jan 7 10:30:00 2022 Board Mfg : XXXXXX Board Product : Management Board wBMC Board Serial : XXXXXXXXXXXXX Board Part Number : XXXXXXXXXXXXXX Board FRU ID : 1.0 Board Custom Data 1 : XXXXXXXXX Board Custom Data 2 : XXXXXXXXXXXXXXXXXX Product Manufacturer : XXXXXX Product Name : Yosemite V3.5 EVT2 Product Part Number : XXXXXXXXXXXXXX Product Version : EVT2 Product Serial : XXXXXXXXXXXXX Product Asset Tag : XXXXXXX Product FRU ID : 1.0 Product Custom Data 1 : XXXXXXXXX Product Custom Data 2 : N/A root@bmc-oob:~# fruid-util bmc FRU Information : BMC --------------- : ------------------ Board Mfg Date : Mon Jan 10 21:42:00 2022 Board Mfg : XXXXXX Board Product : BMC Storage Module Board Serial : XXXXXXXXXXXXX Board Part Number : XXXXXXXXXXXXXX Board FRU ID : 1.0 Board Custom Data 1 : XXXXXXXXX Board Custom Data 2 : XXXXXXXXXXXXXXXXXX Product Manufacturer : XXXXXX Product Name : Yosemite V3.5 EVT2 Product Part Number : XXXXXXXXXXXXXX Product Version : EVT2 Product Serial : XXXXXXXXXXXXX Product Asset Tag : XXXXXXX Product FRU ID : 1.0 Product Custom Data 1 : XXXXXXXXX Product Custom Data 2 : Config A root@bmc-oob:~# fruid-util nic FRU Information : NIC --------------- : ------------------ Board Mfg Date : Tue Nov 2 08:51:00 2021 Board Mfg : XXXXXXXX Board Product : Mellanox ConnectX-6 DX OCP3.0 Board Serial : XXXXXXXXXXXXXXXXXXXXXXXX Board Part Number : XXXXXXXXXXXXXXXXXXXXX Board FRU ID : FRU Ver 0.02 Product Manufacturer : XXXXXXXX Product Name : Mellanox ConnectX-6 DX OCP3.0 Product Part Number : XXXXXXXXXXXXXXXXXXXXX Product Version : A9 Product Serial : XXXXXXXXXXXXXXXXXXXXXXXX Product Custom Data 3 : ConnectX-6 DX Signed-off-by: Peter Delevoryas Reviewed-by: Cédric Le Goater Reviewed-by: Joel Stanley Reviewed-by: Corey Minyard --- hw/arm/aspeed.c | 10 ++++-- hw/arm/aspeed_eeprom.c | 78 ++++++++++++++++++++++++++++++++++++++++++ hw/arm/aspeed_eeprom.h | 16 +++++++++ hw/arm/meson.build | 1 + 4 files changed, 102 insertions(+), 3 deletions(-) create mode 100644 hw/arm/aspeed_eeprom.c create mode 100644 hw/arm/aspeed_eeprom.h diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index c929c61d582a..382965f82c38 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -14,6 +14,7 @@ #include "hw/arm/boot.h" #include "hw/arm/aspeed.h" #include "hw/arm/aspeed_soc.h" +#include "hw/arm/aspeed_eeprom.h" #include "hw/i2c/i2c_mux_pca954x.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/misc/pca9552.h" @@ -940,9 +941,12 @@ static void fby35_i2c_init(AspeedMachineState *bmc) at24c_eeprom_init(i2c[4], 0x51, 128 * KiB); at24c_eeprom_init(i2c[6], 0x51, 128 * KiB); - at24c_eeprom_init(i2c[8], 0x50, 32 * KiB); - at24c_eeprom_init(i2c[11], 0x51, 128 * KiB); - at24c_eeprom_init(i2c[11], 0x54, 128 * KiB); + at24c_eeprom_init_rom(i2c[8], 0x50, 32 * KiB, fby35_nic_fruid, + sizeof(fby35_nic_fruid)); + at24c_eeprom_init_rom(i2c[11], 0x51, 128 * KiB, fby35_bb_fruid, + sizeof(fby35_bb_fruid)); + at24c_eeprom_init_rom(i2c[11], 0x54, 128 * KiB, fby35_bmc_fruid, + sizeof(fby35_bmc_fruid)); /* * TODO: There is a multi-master i2c connection to an AST1030 MiniBMC on diff --git a/hw/arm/aspeed_eeprom.c b/hw/arm/aspeed_eeprom.c new file mode 100644 index 000000000000..9d0700d4b709 --- /dev/null +++ b/hw/arm/aspeed_eeprom.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) Meta Platforms, Inc. and affiliates. + * + * SPDX-License-Identifier: GPL-2.0-only + */ + +#include "aspeed_eeprom.h" + +const uint8_t fby35_nic_fruid[] = { + 0x01, 0x00, 0x00, 0x01, 0x0f, 0x20, 0x00, 0xcf, 0x01, 0x0e, 0x19, 0xd7, + 0x5e, 0xcf, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xdd, + 0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f, 0x6e, + 0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20, 0x4f, + 0x43, 0x50, 0x33, 0x2e, 0x30, 0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0xcc, 0x46, 0x52, 0x55, 0x20, 0x56, 0x65, 0x72, + 0x20, 0x30, 0x2e, 0x30, 0x32, 0xc0, 0xc0, 0xc0, 0xc1, 0x00, 0x00, 0x2f, + 0x01, 0x11, 0x19, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0xdd, 0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f, + 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20, + 0x4f, 0x43, 0x50, 0x33, 0x2e, 0x30, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0xd3, 0x41, 0x39, 0x20, 0x20, 0x20, 0x20, 0x20, + 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, + 0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0xc0, 0xc0, 0xc0, 0xc0, 0xcd, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, + 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0xc1, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0xdb, 0xc0, 0x82, 0x30, 0x15, 0x79, 0x7f, 0xa6, 0x00, + 0x01, 0x18, 0x0b, 0xff, 0x08, 0x00, 0xff, 0xff, 0x64, 0x00, 0x00, 0x00, + 0x00, 0x03, 0x20, 0x01, 0xff, 0xff, 0x04, 0x46, 0x00, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x01, 0x81, 0x09, 0x15, 0xb3, 0x10, 0x1d, 0x00, + 0x24, 0x15, 0xb3, 0x00, 0x02, 0xeb, 0x8a, 0x95, 0x5c, +}; + +const uint8_t fby35_bb_fruid[] = { + 0x01, 0x00, 0x01, 0x03, 0x10, 0x00, 0x00, 0xeb, 0x01, 0x02, 0x17, 0xc3, + 0x4e, 0x2f, 0x41, 0xc3, 0x4e, 0x2f, 0x41, 0xc1, 0x00, 0x00, 0x00, 0x23, + 0x01, 0x0d, 0x00, 0xb6, 0xd2, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0xd5, 0x4d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74, + 0x20, 0x42, 0x6f, 0x61, 0x72, 0x64, 0x20, 0x77, 0x42, 0x4d, 0x43, 0xcd, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x01, 0x0c, 0x00, 0xc6, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d, + 0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54, + 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x4e, 0x2f, + 0x41, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43, +}; + +const uint8_t fby35_bmc_fruid[] = { + 0x01, 0x00, 0x00, 0x01, 0x0d, 0x00, 0x00, 0xf1, 0x01, 0x0c, 0x00, 0x36, + 0xe6, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x42, 0x4d, + 0x43, 0x20, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x20, 0x4d, 0x6f, + 0x64, 0x75, 0x6c, 0x65, 0xcd, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, + 0x30, 0xc9, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc1, 0x39, 0x01, 0x0c, 0x00, 0xc6, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d, + 0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54, + 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9, + 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc8, 0x43, 0x6f, + 0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45, +}; diff --git a/hw/arm/aspeed_eeprom.h b/hw/arm/aspeed_eeprom.h new file mode 100644 index 000000000000..bc4475a85f24 --- /dev/null +++ b/hw/arm/aspeed_eeprom.h @@ -0,0 +1,16 @@ +/* + * Copyright (c) Meta Platforms, Inc. and affiliates. + * + * SPDX-License-Identifier: GPL-2.0-only + */ + +#ifndef ASPEED_EEPROM_H +#define ASPEED_EEPROM_H + +#include "qemu/osdep.h" + +extern const uint8_t fby35_nic_fruid[309]; +extern const uint8_t fby35_bb_fruid[224]; +extern const uint8_t fby35_bmc_fruid[200]; + +#endif diff --git a/hw/arm/meson.build b/hw/arm/meson.build index 76d4d650e42e..f70e8cfd4545 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -53,6 +53,7 @@ arm_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files( 'aspeed.c', 'aspeed_ast2600.c', 'aspeed_ast10x0.c', + 'aspeed_eeprom.c', 'fby35.c')) arm_ss.add(when: 'CONFIG_MPS2', if_true: files('mps2.c')) arm_ss.add(when: 'CONFIG_MPS2', if_true: files('mps2-tz.c')) From patchwork Wed Jan 18 02:42:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Delevoryas X-Patchwork-Id: 13105426 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E85E0C38142 for ; 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Tue, 17 Jan 2023 21:42:25 -0500 (EST) From: Peter Delevoryas To: Cc: peter@pjd.dev, clg@kaod.org, peter.maydell@linaro.org, andrew@aj.id.au, joel@jms.id.au, hskinnemoen@google.com, kfting@nuvoton.com, qemu-arm@nongnu.org, qemu-devel@nongnu.org, philmd@linaro.org Subject: [PATCH v4 5/5] hw/nvram/eeprom_at24c: Make reset behavior more like hardware Date: Tue, 17 Jan 2023 18:42:14 -0800 Message-Id: <20230118024214.14413-6-peter@pjd.dev> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230118024214.14413-1-peter@pjd.dev> References: <20230118024214.14413-1-peter@pjd.dev> MIME-Version: 1.0 Received-SPF: pass client-ip=66.111.4.26; envelope-from=peter@pjd.dev; helo=out2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org EEPROM's are a form of non-volatile memory. After power-cycling an EEPROM, I would expect the I2C state machine to be reset to default values, but I wouldn't really expect the memory to change at all. The current implementation of the at24c EEPROM resets its internal memory on reset. This matches the specification in docs/devel/reset.rst: Cold reset is supported by every resettable object. In QEMU, it means we reset to the initial state corresponding to the start of QEMU; this might differ from what is a real hardware cold reset. It differs from other resets (like warm or bus resets) which may keep certain parts untouched. But differs from my intuition. For example, if someone writes some information to an EEPROM, then AC power cycles their board, they would expect the EEPROM to retain that information. It's very useful to be able to test things like this in QEMU as well, to verify software instrumentation like determining the cause of a reboot. Fixes: 5d8424dbd3e8 ("nvram: add AT24Cx i2c eeprom") Signed-off-by: Peter Delevoryas Reviewed-by: Joel Stanley Reviewed-by: Cédric Le Goater Reviewed-by: Corey Minyard --- hw/nvram/eeprom_at24c.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/hw/nvram/eeprom_at24c.c b/hw/nvram/eeprom_at24c.c index f8d751fa278d..5074776bff04 100644 --- a/hw/nvram/eeprom_at24c.c +++ b/hw/nvram/eeprom_at24c.c @@ -185,18 +185,6 @@ static void at24c_eeprom_realize(DeviceState *dev, Error **errp) } ee->mem = g_malloc0(ee->rsize); - -} - -static -void at24c_eeprom_reset(DeviceState *state) -{ - EEPROMState *ee = AT24C_EE(state); - - ee->changed = false; - ee->cur = 0; - ee->haveaddr = 0; - memset(ee->mem, 0, ee->rsize); if (ee->init_rom) { @@ -214,6 +202,16 @@ void at24c_eeprom_reset(DeviceState *state) } } +static +void at24c_eeprom_reset(DeviceState *state) +{ + EEPROMState *ee = AT24C_EE(state); + + ee->changed = false; + ee->cur = 0; + ee->haveaddr = 0; +} + static Property at24c_eeprom_props[] = { DEFINE_PROP_UINT32("rom-size", EEPROMState, rsize, 0), DEFINE_PROP_BOOL("writable", EEPROMState, writable, true),