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[147.11.146.144]) by smtp.gmail.com with ESMTPSA id l13sm8887520pgq.33.2020.08.31.18.40.59 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 31 Aug 2020 18:41:02 -0700 (PDT) From: Bin Meng To: Alistair Francis , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Palmer Dabbelt , qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v3 11/16] hw/net: cadence_gem: Add a new 'phy-addr' property Date: Tue, 1 Sep 2020 09:39:06 +0800 Message-Id: <1598924352-89526-12-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1598924352-89526-1-git-send-email-bmeng.cn@gmail.com> References: <1598924352-89526-1-git-send-email-bmeng.cn@gmail.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::443; envelope-from=bmeng.cn@gmail.com; helo=mail-pf1-x443.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, FREEMAIL_FROM=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Alistair Francis , Jason Wang , Bin Meng , qemu-arm@nongnu.org, "Edgar E. Iglesias" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Bin Meng At present the PHY address of the PHY connected to GEM is hard-coded to either 23 (BOARD_PHY_ADDRESS) or 0. This might not be the case for all boards. Add a new 'phy-addr' property so that board can specify the PHY address for each GEM instance. Signed-off-by: Bin Meng --- (no changes since v2) Changes in v2: - change "phy-addr" default value to BOARD_PHY_ADDRESS include/hw/net/cadence_gem.h | 2 ++ hw/net/cadence_gem.c | 5 +++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/include/hw/net/cadence_gem.h b/include/hw/net/cadence_gem.h index 54e646f..01c6189 100644 --- a/include/hw/net/cadence_gem.h +++ b/include/hw/net/cadence_gem.h @@ -73,6 +73,8 @@ typedef struct CadenceGEMState { /* Mask of register bits which are write 1 to clear */ uint32_t regs_w1c[CADENCE_GEM_MAXREG]; + /* PHY address */ + uint8_t phy_addr; /* PHY registers backing store */ uint16_t phy_regs[32]; diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index a93b5c0..d80096b 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -1446,7 +1446,7 @@ static uint64_t gem_read(void *opaque, hwaddr offset, unsigned size) uint32_t phy_addr, reg_num; phy_addr = (retval & GEM_PHYMNTNC_ADDR) >> GEM_PHYMNTNC_ADDR_SHFT; - if (phy_addr == BOARD_PHY_ADDRESS || phy_addr == 0) { + if (phy_addr == s->phy_addr || phy_addr == 0) { reg_num = (retval & GEM_PHYMNTNC_REG) >> GEM_PHYMNTNC_REG_SHIFT; retval &= 0xFFFF0000; retval |= gem_phy_read(s, reg_num); @@ -1569,7 +1569,7 @@ static void gem_write(void *opaque, hwaddr offset, uint64_t val, uint32_t phy_addr, reg_num; phy_addr = (val & GEM_PHYMNTNC_ADDR) >> GEM_PHYMNTNC_ADDR_SHFT; - if (phy_addr == BOARD_PHY_ADDRESS || phy_addr == 0) { + if (phy_addr == s->phy_addr || phy_addr == 0) { reg_num = (val & GEM_PHYMNTNC_REG) >> GEM_PHYMNTNC_REG_SHIFT; gem_phy_write(s, reg_num, val); } @@ -1682,6 +1682,7 @@ static Property gem_properties[] = { DEFINE_NIC_PROPERTIES(CadenceGEMState, conf), DEFINE_PROP_UINT32("revision", CadenceGEMState, revision, GEM_MODID_VALUE), + DEFINE_PROP_UINT8("phy-addr", CadenceGEMState, phy_addr, BOARD_PHY_ADDRESS), DEFINE_PROP_UINT8("num-priority-queues", CadenceGEMState, num_priority_queues, 1), DEFINE_PROP_UINT8("num-type1-screeners", CadenceGEMState, -- 2.7.4