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Thu, 16 Jul 2020 23:03:34 -0700 (PDT) Date: Thu, 16 Jul 2020 23:02:56 -0700 In-Reply-To: <20200717060258.1602319-1-hskinnemoen@google.com> Message-Id: <20200717060258.1602319-12-hskinnemoen@google.com> Mime-Version: 1.0 References: <20200717060258.1602319-1-hskinnemoen@google.com> X-Mailer: git-send-email 2.28.0.rc0.105.gf9edc3c819-goog Subject: [PATCH v6 11/13] hw/arm: Wire up BMC boot flash for npcm750-evb and quanta-gsj From: Havard Skinnemoen To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Cc: Avi.Fishman@nuvoton.com, kfting@nuvoton.com, Havard Skinnemoen , "=?UTF-8?q?C=C3=A9dric=20Le=20Goater?=" Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::b4a; envelope-from=3Nj8RXwsKCvcgrjhmmdlndmfnnfkd.bnlpdlt-cdudkmnmfmt.nqf@flex--hskinnemoen.bounces.google.com; 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That's all we know. X-Spam_score_int: -105 X-Spam_score: -10.6 X-Spam_bar: ---------- X-Spam_report: (-10.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @google.com) Content-Type: text/plain; charset="utf-8" This allows these NPCM7xx-based boards to boot from a flash image, e.g. one built with OpenBMC. For example like this: IMAGE=3D${OPENBMC}/build/tmp/deploy/images/gsj/image-bmc qemu-system-arm -machine quanta-gsj -nographic \ -drive file=3D${IMAGE},if=3Dmtd,bus=3D0,unit=3D0,format=3Draw,snapshot=3Don Reviewed-by: Tyrone Ting Reviewed-by: C=C3=A9dric Le Goater Tested-by: C=C3=A9dric Le Goater Signed-off-by: Havard Skinnemoen --- hw/arm/npcm7xx_boards.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c index f32557e0e1..565ee6f671 100644 --- a/hw/arm/npcm7xx_boards.c +++ b/hw/arm/npcm7xx_boards.c @@ -19,6 +19,7 @@ #include "hw/arm/npcm7xx.h" #include "hw/core/cpu.h" #include "hw/loader.h" +#include "hw/qdev-properties.h" #include "qapi/error.h" #include "qemu-common.h" #include "qemu/units.h" @@ -53,6 +54,22 @@ static void npcm7xx_load_bootrom(NPCM7xxState *soc) } } =20 +static void npcm7xx_connect_flash(NPCM7xxFIUState *fiu, int cs_no, + const char *flash_type, DriveInfo *dinfo) +{ + DeviceState *flash; + qemu_irq flash_cs; + + flash =3D qdev_new(flash_type); + if (dinfo) { + qdev_prop_set_drive(flash, "drive", blk_by_legacy_dinfo(dinfo)); + } + qdev_realize_and_unref(flash, BUS(fiu->spi), &error_fatal); + + flash_cs =3D qdev_get_gpio_in_named(flash, SSI_GPIO_CS, 0); + qdev_connect_gpio_out_named(DEVICE(fiu), "cs", cs_no, flash_cs); +} + static void npcm7xx_connect_dram(NPCM7xxState *soc, MemoryRegion *dram) { memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA, dram= ); @@ -90,6 +107,7 @@ static void npcm750_evb_init(MachineState *machine) qdev_realize(DEVICE(soc), NULL, &error_fatal); =20 npcm7xx_load_bootrom(soc); + npcm7xx_connect_flash(&soc->fiu[0], 0, "w25q256", drive_get(IF_MTD, 0,= 0)); npcm7xx_load_kernel(machine, soc); } =20 @@ -102,6 +120,8 @@ static void quanta_gsj_init(MachineState *machine) qdev_realize(DEVICE(soc), NULL, &error_fatal); =20 npcm7xx_load_bootrom(soc); + npcm7xx_connect_flash(&soc->fiu[0], 0, "mx25l25635e", + drive_get(IF_MTD, 0, 0)); npcm7xx_load_kernel(machine, soc); } =20 --=20 2.28.0.rc0.105.gf9edc3c819-goog