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charset="utf-8" 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=2a00:1450:4864:20::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, SPF_HELO_NONE=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1719558929813100006 From: Joel Stanley This assumes a specially constructed image: dd if=3D/dev/zero of=3Dmmc-bootarea.img count=3D2 bs=3D1M dd if=3Du-boot-spl.bin of=3Dmmc-bootarea.img conv=3Dnotrunc dd if=3Du-boot.bin of=3Dmmc-bootarea.img conv=3Dnotrunc count=3D64 bs=3D1K cat mmc-bootarea.img obmc-phosphor-image.wic > mmc.img truncate --size 16GB mmc.img truncate --size 128MB mmc-bootarea.img For now this still requires a mtd image to load the SPL: qemu-system-arm -M tacoma-bmc -nographic \ -global driver=3Dsd-card,property=3Demmc,value=3Dtrue \ -drive file=3Dmmc.img,if=3Dsd,index=3D2 \ -drive file=3Dmmc-bootarea.img,if=3Dmtd,format=3Draw Signed-off-by: Joel Stanley Signed-off-by: C=C3=A9dric Le Goater Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/sd/sd.h | 1 + hw/sd/sd.c | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index d35a839f5e..07435d2e17 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -132,6 +132,7 @@ struct SDCardClass { bool (*get_readonly)(SDState *sd); void (*set_cid)(SDState *sd); void (*set_csd)(SDState *sd, uint64_t size); + uint32_t (*bootpart_offset)(SDState *sd); =20 const struct SDProto *proto; }; diff --git a/hw/sd/sd.c b/hw/sd/sd.c index e7d8b9c0fb..2d49be61f6 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -783,6 +783,12 @@ static inline uint64_t sd_addr_to_wpnum(uint64_t addr) return addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT); } =20 + +static unsigned sd_boot_capacity_bytes(SDState *sd) +{ + return sd->ext_csd[EXT_CSD_BOOT_MULT] << 17; +} + static void sd_reset(DeviceState *dev) { SDState *sd =3D SD_CARD(dev); @@ -984,9 +990,40 @@ void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_ir= q insert) qemu_set_irq(insert, sd->blk ? blk_is_inserted(sd->blk) : 0); } =20 +/* + * This requires a disk image that has two boot partitions inserted at the + * beginning of it. The size of the boot partitions are configured in the + * ext_csd structure, which is hardcoded in qemu. They are currently set to + * 1MB each. + */ +static uint32_t sd_emmc_bootpart_offset(SDState *sd) +{ + unsigned int access =3D sd->ext_csd[EXT_CSD_PART_CONFIG] & + EXT_CSD_PART_CONFIG_ACC_MASK; + unsigned int boot_capacity =3D sd_boot_capacity_bytes(sd); + + switch (access) { + case EXT_CSD_PART_CONFIG_ACC_DEFAULT: + return boot_capacity * 2; + case EXT_CSD_PART_CONFIG_ACC_BOOT0: + return 0; + case EXT_CSD_PART_CONFIG_ACC_BOOT0 + 1: + return boot_capacity * 1; + default: + g_assert_not_reached(); + } +} + +static uint32_t sd_bootpart_offset(SDState *sd) +{ + SDCardClass *sc =3D SD_CARD_GET_CLASS(sd); + return sc->bootpart_offset ? sc->bootpart_offset(sd) : 0; +} + static void sd_blk_read(SDState *sd, uint64_t addr, uint32_t len) { trace_sdcard_read_block(addr, len); + addr +=3D sd_bootpart_offset(sd); if (!sd->blk || blk_pread(sd->blk, addr, len, sd->data, 0) < 0) { fprintf(stderr, "sd_blk_read: read error on host side\n"); } @@ -995,6 +1032,7 @@ static void sd_blk_read(SDState *sd, uint64_t addr, ui= nt32_t len) static void sd_blk_write(SDState *sd, uint64_t addr, uint32_t len) { trace_sdcard_write_block(addr, len); + addr +=3D sd_bootpart_offset(sd); if (!sd->blk || blk_pwrite(sd->blk, addr, len, sd->data, 0) < 0) { fprintf(stderr, "sd_blk_write: write error on host side\n"); } @@ -2833,6 +2871,7 @@ static void emmc_class_init(ObjectClass *klass, void = *data) dc->realize =3D emmc_realize; sc->proto =3D &sd_proto_emmc; sc->set_csd =3D sd_emmc_set_csd; + sc->bootpart_offset =3D sd_emmc_bootpart_offset; } =20 static const TypeInfo sd_types[] =3D { --=20 2.41.0