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[217.94.215.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a993f40d542sm105804966b.157.2024.10.05.13.57.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:57:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728161879; x=1728766679; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=M4jZyfDB5xAbslAmL6lASgpLFndjHqtrXokN3llEzgE=; b=KL7D3ON1SmLWqkTsMcJVyzC8Csz4DEV1Ys3lFHv60C5tU9kS3UWZ5RIsHdEcCr7BdE jytLGj0WO10Aze9soiwnbaSdg1yE7jrNXks50Pm7eJoLZqm41QOsw36fxoIsVOF24P1i YMLn6qaKHT9tcRWbIMiOzRxtrVrc+9iSmrJxWDbYgqHV9Km5xtK3lZLq4lX8F7xZsUeF pu809ZiE0zemgwtHY4w/7NSM4YyS9hdb9IOdf92yqN58FiBtQ6UsZ8CCkGQfe1JZpDWh /uHS87R7wI8giAa1R+cnorBliIoaGXnx2lPOU8CJkBQGF8X4BGgBTxhgwC1KGNj6163c IVGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728161879; x=1728766679; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=M4jZyfDB5xAbslAmL6lASgpLFndjHqtrXokN3llEzgE=; b=YrcgEpVezUfZsLjn0ARsqXJjBoEyIMGRWEz2r1NdozmksHU6aWhA99cr1b8sHbcC4Z BphF3A5IjYSGajtgF1+IYsVECwIARRtQt58q2+vKPI2+CSMoBL95y074IWHZYzvHgY7r 9VQhCGfqSIDULt0P06gVUSTawGQtIMtl/57QrjAYQkOTyuzeU9I5K1fw/2sYHfB7fC6g X+L5RpD2wz+LKgIddNlczAvnNE7Lfuw8N9tyOTEKpZKXHe8mxK4saNmksK5l2W+Kjy9F AZ7SeExK29rDO21Xk0egsiOS7513Wo+l8qr94qZrjlgL6CW64i2hCYHA981M7QTYC4cZ 7UFg== X-Forwarded-Encrypted: i=1; AJvYcCVIx1DDhvnx9V+o6ssy7a6g5wmk92qWbc/d5v/S77bXar9RGx9YjKW1Y4tcxsMmeFQFuAUIu+4g5w==@nongnu.org X-Gm-Message-State: AOJu0YzHZAtm+FgXv1C8RlQ3JBjvEhpX/ftQ6X+VL0xgd7Xb1+6tz223 g/zaJtAYHgU1wTjanwTImFo40Jrtfv1eGcjOerUNFRABAId3ZfKgE1HDVA== X-Google-Smtp-Source: AGHT+IGtqr5cqvROCglxiqZqVY8CC7grtWyzmhUqLw1urJ8/Lzw+6a1lnZuoocfouYoUMsNBWnVMqg== X-Received: by 2002:a17:906:dc92:b0:a90:344a:7db6 with SMTP id a640c23a62f3a-a991c01175bmr691897066b.62.1728161878152; Sat, 05 Oct 2024 13:57:58 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Jason Wang , qemu-arm@nongnu.org, Peter Maydell , Paolo Bonzini , Bernhard Beschow Subject: [PATCH 1/4] hw/net/lan9118: Extract lan9118_phy Date: Sat, 5 Oct 2024 22:57:45 +0200 Message-ID: <20241005205748.29203-2-shentey@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241005205748.29203-1-shentey@gmail.com> References: <20241005205748.29203-1-shentey@gmail.com> MIME-Version: 1.0 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::52e; envelope-from=shentey@gmail.com; helo=mail-ed1-x52e.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, 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: 2.1.29 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 @gmail.com) X-ZM-MESSAGEID: 1728161965118116600 Content-Type: text/plain; charset="utf-8" A very similar implementation of the same device exists in imx_fec. Prepare= for a common implementation by extracting the code into its own files. Signed-off-by: Bernhard Beschow --- include/hw/net/lan9118_phy.h | 31 ++++++++ hw/net/lan9118.c | 133 ++++++----------------------------- hw/net/lan9118_phy.c | 117 ++++++++++++++++++++++++++++++ hw/net/Kconfig | 4 ++ hw/net/meson.build | 1 + 5 files changed, 174 insertions(+), 112 deletions(-) create mode 100644 include/hw/net/lan9118_phy.h create mode 100644 hw/net/lan9118_phy.c diff --git a/include/hw/net/lan9118_phy.h b/include/hw/net/lan9118_phy.h new file mode 100644 index 0000000000..50e3559b12 --- /dev/null +++ b/include/hw/net/lan9118_phy.h @@ -0,0 +1,31 @@ +/* + * SMSC LAN9118 PHY emulation + * + * Copyright (c) 2009 CodeSourcery, LLC. + * Written by Paul Brook + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + */ + +#ifndef HW_NET_LAN9118_PHY_H +#define HW_NET_LAN9118_PHY_H + +#include "hw/irq.h" + +typedef struct Lan9118PhyState { + uint32_t status; + uint32_t control; + uint32_t advertise; + uint32_t ints; + uint32_t int_mask; + IRQState irq; + bool link_down; +} Lan9118PhyState; + +void lan9118_phy_update_link(Lan9118PhyState *s, bool link_down); +void lan9118_phy_reset(Lan9118PhyState *s); +uint32_t lan9118_phy_read(Lan9118PhyState *s, int reg); +void lan9118_phy_write(Lan9118PhyState *s, int reg, uint32_t val); + +#endif diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c index db28a0ef30..07702e8b4d 100644 --- a/hw/net/lan9118.c +++ b/hw/net/lan9118.c @@ -16,6 +16,7 @@ #include "net/net.h" #include "net/eth.h" #include "hw/irq.h" +#include "hw/net/lan9118_phy.h" #include "hw/net/lan9118.h" #include "hw/ptimer.h" #include "hw/qdev-properties.h" @@ -139,14 +140,6 @@ do { printf("lan9118: " fmt , ## __VA_ARGS__); } while= (0) #define MAC_CR_RXEN 0x00000004 #define MAC_CR_RESERVED 0x7f404213 =20 -#define PHY_INT_ENERGYON 0x80 -#define PHY_INT_AUTONEG_COMPLETE 0x40 -#define PHY_INT_FAULT 0x20 -#define PHY_INT_DOWN 0x10 -#define PHY_INT_AUTONEG_LP 0x08 -#define PHY_INT_PARFAULT 0x04 -#define PHY_INT_AUTONEG_PAGE 0x02 - #define GPT_TIMER_EN 0x20000000 =20 /* @@ -228,11 +221,7 @@ struct lan9118_state { uint32_t mac_mii_data; uint32_t mac_flow; =20 - uint32_t phy_status; - uint32_t phy_control; - uint32_t phy_advertise; - uint32_t phy_int; - uint32_t phy_int_mask; + Lan9118PhyState mii; =20 int32_t eeprom_writable; uint8_t eeprom[128]; @@ -301,11 +290,11 @@ static const VMStateDescription vmstate_lan9118 =3D { VMSTATE_UINT32(mac_mii_acc, lan9118_state), VMSTATE_UINT32(mac_mii_data, lan9118_state), VMSTATE_UINT32(mac_flow, lan9118_state), - VMSTATE_UINT32(phy_status, lan9118_state), - VMSTATE_UINT32(phy_control, lan9118_state), - VMSTATE_UINT32(phy_advertise, lan9118_state), - VMSTATE_UINT32(phy_int, lan9118_state), - VMSTATE_UINT32(phy_int_mask, lan9118_state), + VMSTATE_UINT32(mii.status, lan9118_state), + VMSTATE_UINT32(mii.control, lan9118_state), + VMSTATE_UINT32(mii.advertise, lan9118_state), + VMSTATE_UINT32(mii.ints, lan9118_state), + VMSTATE_UINT32(mii.int_mask, lan9118_state), VMSTATE_INT32(eeprom_writable, lan9118_state), VMSTATE_UINT8_ARRAY(eeprom, lan9118_state, 128), VMSTATE_INT32(tx_fifo_size, lan9118_state), @@ -385,9 +374,11 @@ static void lan9118_reload_eeprom(lan9118_state *s) lan9118_mac_changed(s); } =20 -static void phy_update_irq(lan9118_state *s) +static void lan9118_update_irq(void *opaque, int n, int level) { - if (s->phy_int & s->phy_int_mask) { + lan9118_state *s =3D opaque; + + if (level) { s->int_sts |=3D PHY_INT; } else { s->int_sts &=3D ~PHY_INT; @@ -395,33 +386,10 @@ static void phy_update_irq(lan9118_state *s) lan9118_update(s); } =20 -static void phy_update_link(lan9118_state *s) -{ - /* Autonegotiation status mirrors link status. */ - if (qemu_get_queue(s->nic)->link_down) { - s->phy_status &=3D ~0x0024; - s->phy_int |=3D PHY_INT_DOWN; - } else { - s->phy_status |=3D 0x0024; - s->phy_int |=3D PHY_INT_ENERGYON; - s->phy_int |=3D PHY_INT_AUTONEG_COMPLETE; - } - phy_update_irq(s); -} - static void lan9118_set_link(NetClientState *nc) { - phy_update_link(qemu_get_nic_opaque(nc)); -} - -static void phy_reset(lan9118_state *s) -{ - s->phy_status =3D 0x7809; - s->phy_control =3D 0x3000; - s->phy_advertise =3D 0x01e1; - s->phy_int_mask =3D 0; - s->phy_int =3D 0; - phy_update_link(s); + lan9118_phy_update_link(&LAN9118(qemu_get_nic_opaque(nc))->mii, + nc->link_down); } =20 static void lan9118_reset(DeviceState *d) @@ -478,7 +446,7 @@ static void lan9118_reset(DeviceState *d) s->read_word_n =3D 0; s->write_word_n =3D 0; =20 - phy_reset(s); + lan9118_phy_reset(&s->mii); =20 s->eeprom_writable =3D 0; lan9118_reload_eeprom(s); @@ -678,7 +646,7 @@ static void do_tx_packet(lan9118_state *s) uint32_t status; =20 /* FIXME: Honor TX disable, and allow queueing of packets. */ - if (s->phy_control & 0x4000) { + if (s->mii.control & 0x4000) { /* This assumes the receive routine doesn't touch the VLANClient. = */ qemu_receive_packet(qemu_get_queue(s->nic), s->txp->data, s->txp->= len); } else { @@ -834,68 +802,6 @@ static void tx_fifo_push(lan9118_state *s, uint32_t va= l) } } =20 -static uint32_t do_phy_read(lan9118_state *s, int reg) -{ - uint32_t val; - - switch (reg) { - case 0: /* Basic Control */ - return s->phy_control; - case 1: /* Basic Status */ - return s->phy_status; - case 2: /* ID1 */ - return 0x0007; - case 3: /* ID2 */ - return 0xc0d1; - case 4: /* Auto-neg advertisement */ - return s->phy_advertise; - case 5: /* Auto-neg Link Partner Ability */ - return 0x0f71; - case 6: /* Auto-neg Expansion */ - return 1; - /* TODO 17, 18, 27, 29, 30, 31 */ - case 29: /* Interrupt source. */ - val =3D s->phy_int; - s->phy_int =3D 0; - phy_update_irq(s); - return val; - case 30: /* Interrupt mask */ - return s->phy_int_mask; - default: - qemu_log_mask(LOG_GUEST_ERROR, - "do_phy_read: PHY read reg %d\n", reg); - return 0; - } -} - -static void do_phy_write(lan9118_state *s, int reg, uint32_t val) -{ - switch (reg) { - case 0: /* Basic Control */ - if (val & 0x8000) { - phy_reset(s); - break; - } - s->phy_control =3D val & 0x7980; - /* Complete autonegotiation immediately. */ - if (val & 0x1000) { - s->phy_status |=3D 0x0020; - } - break; - case 4: /* Auto-neg advertisement */ - s->phy_advertise =3D (val & 0x2d7f) | 0x80; - break; - /* TODO 17, 18, 27, 31 */ - case 30: /* Interrupt mask */ - s->phy_int_mask =3D val & 0xff; - phy_update_irq(s); - break; - default: - qemu_log_mask(LOG_GUEST_ERROR, - "do_phy_write: PHY write reg %d =3D 0x%04x\n", reg, = val); - } -} - static void do_mac_write(lan9118_state *s, int reg, uint32_t val) { switch (reg) { @@ -929,9 +835,9 @@ static void do_mac_write(lan9118_state *s, int reg, uin= t32_t val) if (val & 2) { DPRINTF("PHY write %d =3D 0x%04x\n", (val >> 6) & 0x1f, s->mac_mii_data); - do_phy_write(s, (val >> 6) & 0x1f, s->mac_mii_data); + lan9118_phy_write(&s->mii, (val >> 6) & 0x1f, s->mac_mii_data); } else { - s->mac_mii_data =3D do_phy_read(s, (val >> 6) & 0x1f); + s->mac_mii_data =3D lan9118_phy_read(&s->mii, (val >> 6) & 0x1= f); DPRINTF("PHY read %d =3D 0x%04x\n", (val >> 6) & 0x1f, s->mac_mii_data); } @@ -1126,7 +1032,7 @@ static void lan9118_writel(void *opaque, hwaddr offse= t, break; case CSR_PMT_CTRL: if (val & 0x400) { - phy_reset(s); + lan9118_phy_reset(&s->mii); } s->pmt_ctrl &=3D ~0x34e; s->pmt_ctrl |=3D (val & 0x34e); @@ -1383,6 +1289,9 @@ static void lan9118_realize(DeviceState *dev, Error *= *errp) object_get_typename(OBJECT(dev)), dev->id, &dev->mem_reentrancy_guard, s); qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); + + qemu_init_irq(&s->mii.irq, lan9118_update_irq, s, 0); + s->eeprom[0] =3D 0xa5; for (i =3D 0; i < 6; i++) { s->eeprom[i + 1] =3D s->conf.macaddr.a[i]; diff --git a/hw/net/lan9118_phy.c b/hw/net/lan9118_phy.c new file mode 100644 index 0000000000..ced9afce28 --- /dev/null +++ b/hw/net/lan9118_phy.c @@ -0,0 +1,117 @@ +/* + * SMSC LAN9118 PHY emulation + * + * Copyright (c) 2009 CodeSourcery, LLC. + * Written by Paul Brook + * + * This code is licensed under the GNU GPL v2 + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu/osdep.h" +#include "hw/net/lan9118_phy.h" +#include "hw/irq.h" +#include "qemu/log.h" + +#define PHY_INT_ENERGYON (1 << 7) +#define PHY_INT_AUTONEG_COMPLETE (1 << 6) +#define PHY_INT_FAULT (1 << 5) +#define PHY_INT_DOWN (1 << 4) +#define PHY_INT_AUTONEG_LP (1 << 3) +#define PHY_INT_PARFAULT (1 << 2) +#define PHY_INT_AUTONEG_PAGE (1 << 1) + +static void lan9118_phy_update_irq(Lan9118PhyState *s) +{ + qemu_set_irq(&s->irq, !!(s->ints & s->int_mask)); +} + +void lan9118_phy_update_link(Lan9118PhyState *s, bool link_down) +{ + s->link_down =3D link_down; + + /* Autonegotiation status mirrors link status. */ + if (link_down) { + s->status &=3D ~0x0024; + s->ints |=3D PHY_INT_DOWN; + } else { + s->status |=3D 0x0024; + s->ints |=3D PHY_INT_ENERGYON; + s->ints |=3D PHY_INT_AUTONEG_COMPLETE; + } + lan9118_phy_update_irq(s); +} + +void lan9118_phy_reset(Lan9118PhyState *s) +{ + s->status =3D 0x7809; + s->control =3D 0x3000; + s->advertise =3D 0x01e1; + s->int_mask =3D 0; + s->ints =3D 0; + lan9118_phy_update_link(s, s->link_down); +} + +uint32_t lan9118_phy_read(Lan9118PhyState *s, int reg) +{ + uint32_t val; + + switch (reg) { + case 0: /* Basic Control */ + return s->control; + case 1: /* Basic Status */ + return s->status; + case 2: /* ID1 */ + return 0x0007; + case 3: /* ID2 */ + return 0xc0d1; + case 4: /* Auto-neg advertisement */ + return s->advertise; + case 5: /* Auto-neg Link Partner Ability */ + return 0x0f71; + case 6: /* Auto-neg Expansion */ + return 1; + /* TODO 17, 18, 27, 29, 30, 31 */ + case 29: /* Interrupt source. */ + val =3D s->ints; + s->ints =3D 0; + lan9118_phy_update_irq(s); + return val; + case 30: /* Interrupt mask */ + return s->int_mask; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "lan9118_phy_read: PHY read reg %d\n", reg); + return 0; + } +} + +void lan9118_phy_write(Lan9118PhyState *s, int reg, uint32_t val) +{ + switch (reg) { + case 0: /* Basic Control */ + if (val & 0x8000) { + lan9118_phy_reset(s); + break; + } + s->control =3D val & 0x7980; + /* Complete autonegotiation immediately. */ + if (val & 0x1000) { + s->status |=3D 0x0020; + } + break; + case 4: /* Auto-neg advertisement */ + s->advertise =3D (val & 0x2d7f) | 0x80; + break; + /* TODO 17, 18, 27, 31 */ + case 30: /* Interrupt mask */ + s->int_mask =3D val & 0xff; + lan9118_phy_update_irq(s); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "lan9118_phy_write: PHY write reg %d =3D 0x%04x\n", = reg, val); + } +} diff --git a/hw/net/Kconfig b/hw/net/Kconfig index 7fcc0d7faa..6b2ff2f937 100644 --- a/hw/net/Kconfig +++ b/hw/net/Kconfig @@ -62,8 +62,12 @@ config VMXNET3_PCI config SMC91C111 bool =20 +config LAN9118_PHY + bool + config LAN9118 bool + select LAN9118_PHY select PTIMER =20 config NE2000_ISA diff --git a/hw/net/meson.build b/hw/net/meson.build index 00a9e9dd51..3bb5d749a8 100644 --- a/hw/net/meson.build +++ b/hw/net/meson.build @@ -19,6 +19,7 @@ system_ss.add(when: 'CONFIG_VMXNET3_PCI', if_true: files(= 'vmxnet3.c')) =20 system_ss.add(when: 'CONFIG_SMC91C111', if_true: files('smc91c111.c')) system_ss.add(when: 'CONFIG_LAN9118', if_true: files('lan9118.c')) +system_ss.add(when: 'CONFIG_LAN9118_PHY', if_true: files('lan9118_phy.c')) system_ss.add(when: 'CONFIG_NE2000_ISA', if_true: files('ne2000-isa.c')) system_ss.add(when: 'CONFIG_OPENCORES_ETH', if_true: files('opencores_eth.= c')) system_ss.add(when: 'CONFIG_XGMAC', if_true: files('xgmac.c')) --=20 2.46.2 From nobody Sat Nov 23 22:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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[217.94.215.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a993f40d542sm105804966b.157.2024.10.05.13.57.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:57:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728161879; x=1728766679; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uyfkmVf9PFMF7Wgly8deK8FjC7MxQdlVNkrSFT8U13Q=; b=iD1H/d2Vdgwa07eRH19vWwRe+/0fv6LLrL6lZ9DUwoiVT3xGoknE900J6YQXsp9TZV lJzL59Y0SuqKi0HfczBleOh5flzVCUUqPyNKe42JkbUqLJn56iN27pRs2OvA+G0H12F2 z5+5S1CuG7KMZPhR2BoKOJ7Yf/5ZGUavKQFHSo/QVZ5pRGE8RUrRa81oU5V+TSHTeLWU 1aWv9DqhwJAfn2dCXxQPMcAm1I7ywDVimClm+PhDzOTM88PTqtdKmxUz/I6wpnDY0H72 tgbUtqJMKa/TpiAnVWB7soXa67bSfSEFJxMzx6A9EDsEGQC0jlLfy5uRPO6CHssyRGLe cpaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728161879; x=1728766679; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uyfkmVf9PFMF7Wgly8deK8FjC7MxQdlVNkrSFT8U13Q=; b=Wx1RmHKjR+6MbOr1CAFwPD0+210A8tzvPZHDU5Ce8VKJJJyK03bDbgzj4WEp7S8nhA khq3YsxkF8ONHtxwP730V6d4kGDLgW/CPaNSXro6kEvSQ1rBGbBU9Es0VOu1uDyy5qqX zibkem3KrcyDpdx6pzB/1Ss5s9Io0ckhRvkxJ8iO9sMclIh72+lbOSJIIHJi3CzmhpJi sQeC+dK+lRoORBwIvhKyMNM05aH68jo4gsiX9IrHvRiwwS2p5wHw+XU4T13XfbCYjodL NIXfrFg9nOiLnbp/COnrAvYh4G5t7WZfFnC+4TkDd7HsjstAYQLbcHfkXQRjMsPWw/Rj rmMA== X-Forwarded-Encrypted: i=1; AJvYcCU+Q3j+4b/K3/goEyqCzzf39jy+FNY+JtcBgxcDVHX8pBl2q9m3VjlpzNUHNZyJJQ3GviYkU3Mb3w==@nongnu.org X-Gm-Message-State: AOJu0YznvBV308D1FMptqrnBH5Jzv1zpgiJcLKwnrrRauoRpciX0H42u mT42En/6C8wRKZUHi4RehQvrffKm07XkJG8fGvY34hsICcZgmceURJ7U7w== X-Google-Smtp-Source: AGHT+IFm/P0GyhA6dWEQ0Nw9b9d1tdWyDillNVbLHYPWVlRkTIOhyHnxplFBdwtToso109tUMoEgqg== X-Received: by 2002:a17:906:4785:b0:a8a:7501:de39 with SMTP id a640c23a62f3a-a991bce5b96mr729064166b.9.1728161878927; Sat, 05 Oct 2024 13:57:58 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Jason Wang , qemu-arm@nongnu.org, Peter Maydell , Paolo Bonzini , Bernhard Beschow Subject: [PATCH 2/4] hw/net/lan9118_phy: Reuse in imx_fec and consolidate implementations Date: Sat, 5 Oct 2024 22:57:46 +0200 Message-ID: <20241005205748.29203-3-shentey@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241005205748.29203-1-shentey@gmail.com> References: <20241005205748.29203-1-shentey@gmail.com> MIME-Version: 1.0 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::62e; envelope-from=shentey@gmail.com; helo=mail-ej1-x62e.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, 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: 2.1.29 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 @gmail.com) X-ZM-MESSAGEID: 1728161965225116600 Content-Type: text/plain; charset="utf-8" imx_fec models the same PHY as lan9118_phy. The code is almost the same with imx_fec having more logging and tracing. Merge these improvements into lan9118_phy and reuse in imx_fec to fix the code duplication. Signed-off-by: Bernhard Beschow --- include/hw/net/imx_fec.h | 7 +- hw/net/imx_fec.c | 141 ++++----------------------------------- hw/net/lan9118_phy.c | 80 ++++++++++++++++------ hw/net/Kconfig | 1 + hw/net/trace-events | 10 +-- 5 files changed, 81 insertions(+), 158 deletions(-) diff --git a/include/hw/net/imx_fec.h b/include/hw/net/imx_fec.h index 2d13290c78..5f1d30f56b 100644 --- a/include/hw/net/imx_fec.h +++ b/include/hw/net/imx_fec.h @@ -31,6 +31,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(IMXFECState, IMX_FEC) #define TYPE_IMX_ENET "imx.enet" =20 #include "hw/sysbus.h" +#include "hw/net/lan9118_phy.h" #include "net/net.h" =20 #define ENET_EIR 1 @@ -264,11 +265,7 @@ struct IMXFECState { uint32_t tx_descriptor[ENET_TX_RING_NUM]; uint32_t tx_ring_num; =20 - uint32_t phy_status; - uint32_t phy_control; - uint32_t phy_advertise; - uint32_t phy_int; - uint32_t phy_int_mask; + Lan9118PhyState mii; uint32_t phy_num; bool phy_connected; struct IMXFECState *phy_consumer; diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c index 6294d29202..e981116640 100644 --- a/hw/net/imx_fec.c +++ b/hw/net/imx_fec.c @@ -209,11 +209,11 @@ static const VMStateDescription vmstate_imx_eth =3D { VMSTATE_UINT32_ARRAY(regs, IMXFECState, ENET_MAX), VMSTATE_UINT32(rx_descriptor, IMXFECState), VMSTATE_UINT32(tx_descriptor[0], IMXFECState), - VMSTATE_UINT32(phy_status, IMXFECState), - VMSTATE_UINT32(phy_control, IMXFECState), - VMSTATE_UINT32(phy_advertise, IMXFECState), - VMSTATE_UINT32(phy_int, IMXFECState), - VMSTATE_UINT32(phy_int_mask, IMXFECState), + VMSTATE_UINT32(mii.status, IMXFECState), + VMSTATE_UINT32(mii.control, IMXFECState), + VMSTATE_UINT32(mii.advertise, IMXFECState), + VMSTATE_UINT32(mii.ints, IMXFECState), + VMSTATE_UINT32(mii.int_mask, IMXFECState), VMSTATE_END_OF_LIST() }, .subsections =3D (const VMStateDescription * const []) { @@ -222,14 +222,6 @@ static const VMStateDescription vmstate_imx_eth =3D { }, }; =20 -#define PHY_INT_ENERGYON (1 << 7) -#define PHY_INT_AUTONEG_COMPLETE (1 << 6) -#define PHY_INT_FAULT (1 << 5) -#define PHY_INT_DOWN (1 << 4) -#define PHY_INT_AUTONEG_LP (1 << 3) -#define PHY_INT_PARFAULT (1 << 2) -#define PHY_INT_AUTONEG_PAGE (1 << 1) - static void imx_eth_update(IMXFECState *s); =20 /* @@ -238,47 +230,19 @@ static void imx_eth_update(IMXFECState *s); * For now we don't handle any GPIO/interrupt line, so the OS will * have to poll for the PHY status. */ -static void imx_phy_update_irq(IMXFECState *s) -{ - imx_eth_update(s); -} - -static void imx_phy_update_link(IMXFECState *s) +static void imx_phy_update_irq(void *opaque, int n, int level) { - /* Autonegotiation status mirrors link status. */ - if (qemu_get_queue(s->nic)->link_down) { - trace_imx_phy_update_link("down"); - s->phy_status &=3D ~0x0024; - s->phy_int |=3D PHY_INT_DOWN; - } else { - trace_imx_phy_update_link("up"); - s->phy_status |=3D 0x0024; - s->phy_int |=3D PHY_INT_ENERGYON; - s->phy_int |=3D PHY_INT_AUTONEG_COMPLETE; - } - imx_phy_update_irq(s); + imx_eth_update(opaque); } =20 static void imx_eth_set_link(NetClientState *nc) { - imx_phy_update_link(IMX_FEC(qemu_get_nic_opaque(nc))); -} - -static void imx_phy_reset(IMXFECState *s) -{ - trace_imx_phy_reset(); - - s->phy_status =3D 0x7809; - s->phy_control =3D 0x3000; - s->phy_advertise =3D 0x01e1; - s->phy_int_mask =3D 0; - s->phy_int =3D 0; - imx_phy_update_link(s); + lan9118_phy_update_link(&IMX_FEC(qemu_get_nic_opaque(nc))->mii, + nc->link_down); } =20 static uint32_t imx_phy_read(IMXFECState *s, int reg) { - uint32_t val; uint32_t phy =3D reg / 32; =20 if (!s->phy_connected) { @@ -296,54 +260,7 @@ static uint32_t imx_phy_read(IMXFECState *s, int reg) =20 reg %=3D 32; =20 - switch (reg) { - case 0: /* Basic Control */ - val =3D s->phy_control; - break; - case 1: /* Basic Status */ - val =3D s->phy_status; - break; - case 2: /* ID1 */ - val =3D 0x0007; - break; - case 3: /* ID2 */ - val =3D 0xc0d1; - break; - case 4: /* Auto-neg advertisement */ - val =3D s->phy_advertise; - break; - case 5: /* Auto-neg Link Partner Ability */ - val =3D 0x0f71; - break; - case 6: /* Auto-neg Expansion */ - val =3D 1; - break; - case 29: /* Interrupt source. */ - val =3D s->phy_int; - s->phy_int =3D 0; - imx_phy_update_irq(s); - break; - case 30: /* Interrupt mask */ - val =3D s->phy_int_mask; - break; - case 17: - case 18: - case 27: - case 31: - qemu_log_mask(LOG_UNIMP, "[%s.phy]%s: reg %d not implemented\n", - TYPE_IMX_FEC, __func__, reg); - val =3D 0; - break; - default: - qemu_log_mask(LOG_GUEST_ERROR, "[%s.phy]%s: Bad address at offset = %d\n", - TYPE_IMX_FEC, __func__, reg); - val =3D 0; - break; - } - - trace_imx_phy_read(val, phy, reg); - - return val; + return lan9118_phy_read(&s->mii, reg); } =20 static void imx_phy_write(IMXFECState *s, int reg, uint32_t val) @@ -365,39 +282,7 @@ static void imx_phy_write(IMXFECState *s, int reg, uin= t32_t val) =20 reg %=3D 32; =20 - trace_imx_phy_write(val, phy, reg); - - switch (reg) { - case 0: /* Basic Control */ - if (val & 0x8000) { - imx_phy_reset(s); - } else { - s->phy_control =3D val & 0x7980; - /* Complete autonegotiation immediately. */ - if (val & 0x1000) { - s->phy_status |=3D 0x0020; - } - } - break; - case 4: /* Auto-neg advertisement */ - s->phy_advertise =3D (val & 0x2d7f) | 0x80; - break; - case 30: /* Interrupt mask */ - s->phy_int_mask =3D val & 0xff; - imx_phy_update_irq(s); - break; - case 17: - case 18: - case 27: - case 31: - qemu_log_mask(LOG_UNIMP, "[%s.phy)%s: reg %d not implemented\n", - TYPE_IMX_FEC, __func__, reg); - break; - default: - qemu_log_mask(LOG_GUEST_ERROR, "[%s.phy]%s: Bad address at offset = %d\n", - TYPE_IMX_FEC, __func__, reg); - break; - } + lan9118_phy_write(&s->mii, reg, val); } =20 static void imx_fec_read_bd(IMXFECBufDesc *bd, dma_addr_t addr) @@ -684,7 +569,7 @@ static void imx_eth_reset(DeviceState *d) memset(s->tx_descriptor, 0, sizeof(s->tx_descriptor)); =20 /* We also reset the PHY */ - imx_phy_reset(s); + lan9118_phy_reset(&s->mii); } =20 static uint32_t imx_default_read(IMXFECState *s, uint32_t index) @@ -1336,6 +1221,8 @@ static void imx_eth_realize(DeviceState *dev, Error *= *errp) dev->id, &dev->mem_reentrancy_guard, s); =20 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); + + qemu_init_irq(&s->mii.irq, imx_phy_update_irq, s, 0); } =20 static Property imx_eth_properties[] =3D { diff --git a/hw/net/lan9118_phy.c b/hw/net/lan9118_phy.c index ced9afce28..1ab4bbc900 100644 --- a/hw/net/lan9118_phy.c +++ b/hw/net/lan9118_phy.c @@ -4,6 +4,8 @@ * Copyright (c) 2009 CodeSourcery, LLC. * Written by Paul Brook * + * Copyright (c) 2013 Jean-Christophe Dubois. + * * This code is licensed under the GNU GPL v2 * * Contributions after 2012-01-13 are licensed under the terms of the @@ -14,6 +16,7 @@ #include "hw/net/lan9118_phy.h" #include "hw/irq.h" #include "qemu/log.h" +#include "trace.h" =20 #define PHY_INT_ENERGYON (1 << 7) #define PHY_INT_AUTONEG_COMPLETE (1 << 6) @@ -34,9 +37,11 @@ void lan9118_phy_update_link(Lan9118PhyState *s, bool li= nk_down) =20 /* Autonegotiation status mirrors link status. */ if (link_down) { + trace_lan9118_phy_update_link("down"); s->status &=3D ~0x0024; s->ints |=3D PHY_INT_DOWN; } else { + trace_lan9118_phy_update_link("up"); s->status |=3D 0x0024; s->ints |=3D PHY_INT_ENERGYON; s->ints |=3D PHY_INT_AUTONEG_COMPLETE; @@ -46,6 +51,8 @@ void lan9118_phy_update_link(Lan9118PhyState *s, bool lin= k_down) =20 void lan9118_phy_reset(Lan9118PhyState *s) { + trace_lan9118_phy_reset(); + s->status =3D 0x7809; s->control =3D 0x3000; s->advertise =3D 0x01e1; @@ -60,58 +67,87 @@ uint32_t lan9118_phy_read(Lan9118PhyState *s, int reg) =20 switch (reg) { case 0: /* Basic Control */ - return s->control; + val =3D s->control; + break; case 1: /* Basic Status */ - return s->status; + val =3D s->status; + break; case 2: /* ID1 */ - return 0x0007; + val =3D 0x0007; + break; case 3: /* ID2 */ - return 0xc0d1; + val =3D 0xc0d1; + break; case 4: /* Auto-neg advertisement */ - return s->advertise; + val =3D s->advertise; + break; case 5: /* Auto-neg Link Partner Ability */ - return 0x0f71; + val =3D 0x0f71; + break; case 6: /* Auto-neg Expansion */ - return 1; - /* TODO 17, 18, 27, 29, 30, 31 */ + val =3D 1; + break; case 29: /* Interrupt source. */ val =3D s->ints; s->ints =3D 0; lan9118_phy_update_irq(s); - return val; + break; case 30: /* Interrupt mask */ - return s->int_mask; + val =3D s->int_mask; + break; + case 17: + case 18: + case 27: + case 31: + qemu_log_mask(LOG_UNIMP, "%s: reg %d not implemented\n", + __func__, reg); + val =3D 0; + break; default: - qemu_log_mask(LOG_GUEST_ERROR, - "lan9118_phy_read: PHY read reg %d\n", reg); - return 0; + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset %d\n", + __func__, reg); + val =3D 0; + break; } + + trace_lan9118_phy_read(val, reg); + + return val; } =20 void lan9118_phy_write(Lan9118PhyState *s, int reg, uint32_t val) { + trace_lan9118_phy_write(val, reg); + switch (reg) { case 0: /* Basic Control */ if (val & 0x8000) { lan9118_phy_reset(s); - break; - } - s->control =3D val & 0x7980; - /* Complete autonegotiation immediately. */ - if (val & 0x1000) { - s->status |=3D 0x0020; + } else { + s->control =3D val & 0x7980; + /* Complete autonegotiation immediately. */ + if (val & 0x1000) { + s->status |=3D 0x0020; + } } break; case 4: /* Auto-neg advertisement */ s->advertise =3D (val & 0x2d7f) | 0x80; break; - /* TODO 17, 18, 27, 31 */ case 30: /* Interrupt mask */ s->int_mask =3D val & 0xff; lan9118_phy_update_irq(s); break; + case 17: + case 18: + case 27: + case 31: + qemu_log_mask(LOG_UNIMP, "%s: reg %d not implemented\n", + __func__, reg); + break; default: - qemu_log_mask(LOG_GUEST_ERROR, - "lan9118_phy_write: PHY write reg %d =3D 0x%04x\n", = reg, val); + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset %d\n", + __func__, reg); + break; } } diff --git a/hw/net/Kconfig b/hw/net/Kconfig index 6b2ff2f937..7f80218d10 100644 --- a/hw/net/Kconfig +++ b/hw/net/Kconfig @@ -93,6 +93,7 @@ config ALLWINNER_SUN8I_EMAC =20 config IMX_FEC bool + select LAN9118_PHY =20 config CADENCE bool diff --git a/hw/net/trace-events b/hw/net/trace-events index 4c6687923e..b8e0076833 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -10,6 +10,12 @@ allwinner_sun8i_emac_set_link(bool active) "Set link: ac= tive=3D%u" allwinner_sun8i_emac_read(uint64_t offset, uint64_t val) "MMIO read: offse= t=3D0x%" PRIx64 " value=3D0x%" PRIx64 allwinner_sun8i_emac_write(uint64_t offset, uint64_t val) "MMIO write: off= set=3D0x%" PRIx64 " value=3D0x%" PRIx64 =20 +# lan9118_phy.c +lan9118_phy_read(uint32_t val, int reg) "[0x%02x] -> 0x%04" PRIx32 +lan9118_phy_write(uint32_t val, int reg) "[0x%02x] <- 0x%04" PRIx32 +lan9118_phy_update_link(const char *s) "%s" +lan9118_phy_reset(void) "" + # lance.c lance_mem_readw(uint64_t addr, uint32_t ret) "addr=3D0x%"PRIx64"val=3D0x%0= 4x" lance_mem_writew(uint64_t addr, uint32_t val) "addr=3D0x%"PRIx64"val=3D0x%= 04x" @@ -426,12 +432,8 @@ i82596_set_multicast(uint16_t count) "Added %d multica= st entries" i82596_channel_attention(void *s) "%p: Received CHANNEL ATTENTION" =20 # imx_fec.c -imx_phy_read(uint32_t val, int phy, int reg) "0x%04"PRIx32" <=3D phy[%d].r= eg[%d]" imx_phy_read_num(int phy, int configured) "read request from unconfigured = phy %d (configured %d)" -imx_phy_write(uint32_t val, int phy, int reg) "0x%04"PRIx32" =3D> phy[%d].= reg[%d]" imx_phy_write_num(int phy, int configured) "write request to unconfigured = phy %d (configured %d)" -imx_phy_update_link(const char *s) "%s" -imx_phy_reset(void) "" imx_fec_read_bd(uint64_t addr, int flags, int len, int data) "tx_bd 0x%"PR= Ix64" flags 0x%04x len %d data 0x%08x" imx_enet_read_bd(uint64_t addr, int flags, int len, int data, int options,= int status) "tx_bd 0x%"PRIx64" flags 0x%04x len %d data 0x%08x option 0x%0= 4x status 0x%04x" imx_eth_tx_bd_busy(void) "tx_bd ran out of descriptors to transmit" --=20 2.46.2 From nobody Sat Nov 23 22:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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[217.94.215.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a993f40d542sm105804966b.157.2024.10.05.13.57.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:57:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728161880; x=1728766680; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=XJn4B+jQc95ao6ZyIj/u4htIgx2sxZoS2pamWWEl5zk=; b=JORishKw9WXYRbByHwrvfHRGKoglnrR95kd0CEolMRVWCdAwKNTSp3UaVj+pNlgwt8 E8ZeAT8sgH2FMudGiIpugw8n/mFgXfptdfL/N01QxRhxPvi+7vfnjtnZ+cEfLld3Q5tB 5bjIcepGqbw/S4TyiD2PPoUJfn6xZ1iRInM0MG0KaXL5uELiwwwJriohocg/Yau9rrVk QonoBcGf6tQZv98YhIAk2RJlx1ozfOQwQcQ1nt07cXkeBMtGQdCpZwp0df10RZeYO82J IuRI0kuphrhNVDrbbfdCuNn33sel/CUuzHIJeQALnHQ0apEYPXk8/tugH8nJ51pLG7pM YfxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728161880; x=1728766680; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XJn4B+jQc95ao6ZyIj/u4htIgx2sxZoS2pamWWEl5zk=; b=nz1PMaePeYnfzvpa8HyHdfivZFC+ImHhp083Q6LcGl5tN6qgfm0yEmT+NcVKG5Grec 0RL5CfBs8s9MLMzBjcZxS7LP2cPL5gxBx25vwgnWp8Ml0gnSHt1Y/o5KhtYmp+JOoxtt 1Ov78ZZ4t98Xat6gb9HMPKB4iIkcnuIkMtbLfipx3NcMfRq6f83DiZplFnbJo1SWMk2O sp0Vjl+CLo7Wc6Zfv3AQCdAzjeV0RxTntWbb2HWFL/9M3KJZUXIqw3eGpfFwMosyRQl0 WkbstO5DlH+0XuW4V/6KHFhnDFg+5uGHDP6J6JAOx8q+PBn1q4GFZ7+/y2l2dmzTqPag xrVg== X-Forwarded-Encrypted: i=1; AJvYcCXaHa6mbWvgWDPlyDqP70ZV1b+PFQLxc/GcJZrad755PDRhyw0UKEC5Q7Ef9IUb4xGcH3jRg/w8Ig==@nongnu.org X-Gm-Message-State: AOJu0Yz5PI35PORBs/8jOXZKXYc1cd5C6gZ7uFDR+E75ERfwPqM/313u em0XTVViHoU9uB0ZrvsLP1opfGPWfy/EvAzmKN+fxDWMrw+suRiLmklLrw== X-Google-Smtp-Source: AGHT+IGx8CFXZHk902OI0NPeVXeXRZCIhAWvrYM5r0CGCFSvSjeXhYl0f8k3Gp2MPg2DQhiOQYquJw== X-Received: by 2002:a17:906:ee87:b0:a8d:250a:52a8 with SMTP id a640c23a62f3a-a991bce6124mr861012766b.3.1728161879788; Sat, 05 Oct 2024 13:57:59 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Jason Wang , qemu-arm@nongnu.org, Peter Maydell , Paolo Bonzini , Bernhard Beschow Subject: [PATCH 3/4] hw/net/lan9118_phy: Reuse MII constants Date: Sat, 5 Oct 2024 22:57:47 +0200 Message-ID: <20241005205748.29203-4-shentey@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241005205748.29203-1-shentey@gmail.com> References: <20241005205748.29203-1-shentey@gmail.com> MIME-Version: 1.0 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::631; envelope-from=shentey@gmail.com; helo=mail-ej1-x631.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, 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: 2.1.29 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 @gmail.com) X-ZM-MESSAGEID: 1728161963487116600 Content-Type: text/plain; charset="utf-8" Prefer named constants over magic values for better readability. Signed-off-by: Bernhard Beschow Reviewed-by: Peter Maydell --- include/hw/net/mii.h | 6 +++++ hw/net/lan9118_phy.c | 59 +++++++++++++++++++++++++++----------------- 2 files changed, 43 insertions(+), 22 deletions(-) diff --git a/include/hw/net/mii.h b/include/hw/net/mii.h index f7feddac9b..55bf7c92a1 100644 --- a/include/hw/net/mii.h +++ b/include/hw/net/mii.h @@ -71,6 +71,7 @@ #define MII_BMSR_JABBER (1 << 1) /* Jabber detected */ #define MII_BMSR_EXTCAP (1 << 0) /* Ext-reg capability */ =20 +#define MII_ANAR_RFAULT (1 << 13) /* Say we can detect faults */ #define MII_ANAR_PAUSE_ASYM (1 << 11) /* Try for asymmetric pause */ #define MII_ANAR_PAUSE (1 << 10) /* Try for pause */ #define MII_ANAR_TXFD (1 << 8) @@ -78,6 +79,7 @@ #define MII_ANAR_10FD (1 << 6) #define MII_ANAR_10 (1 << 5) #define MII_ANAR_CSMACD (1 << 0) +#define MII_ANAR_SELECT (0x001f) /* Selector bits */ =20 #define MII_ANLPAR_ACK (1 << 14) #define MII_ANLPAR_PAUSEASY (1 << 11) /* can pause asymmetrically */ @@ -112,6 +114,10 @@ #define RTL8201CP_PHYID1 0x0000 #define RTL8201CP_PHYID2 0x8201 =20 +/* SMSC LAN9118 */ +#define SMSCLAN9118_PHYID1 0x0007 +#define SMSCLAN9118_PHYID2 0xc0d1 + /* RealTek 8211E */ #define RTL8211E_PHYID1 0x001c #define RTL8211E_PHYID2 0xc915 diff --git a/hw/net/lan9118_phy.c b/hw/net/lan9118_phy.c index 1ab4bbc900..1c2f30c81a 100644 --- a/hw/net/lan9118_phy.c +++ b/hw/net/lan9118_phy.c @@ -14,6 +14,7 @@ =20 #include "qemu/osdep.h" #include "hw/net/lan9118_phy.h" +#include "hw/net/mii.h" #include "hw/irq.h" #include "qemu/log.h" #include "trace.h" @@ -38,11 +39,11 @@ void lan9118_phy_update_link(Lan9118PhyState *s, bool l= ink_down) /* Autonegotiation status mirrors link status. */ if (link_down) { trace_lan9118_phy_update_link("down"); - s->status &=3D ~0x0024; + s->status &=3D ~(MII_BMSR_AN_COMP | MII_BMSR_LINK_ST); s->ints |=3D PHY_INT_DOWN; } else { trace_lan9118_phy_update_link("up"); - s->status |=3D 0x0024; + s->status |=3D MII_BMSR_AN_COMP | MII_BMSR_LINK_ST; s->ints |=3D PHY_INT_ENERGYON; s->ints |=3D PHY_INT_AUTONEG_COMPLETE; } @@ -53,9 +54,18 @@ void lan9118_phy_reset(Lan9118PhyState *s) { trace_lan9118_phy_reset(); =20 - s->status =3D 0x7809; - s->control =3D 0x3000; - s->advertise =3D 0x01e1; + s->status =3D MII_BMSR_100TX_FD + | MII_BMSR_100TX_HD + | MII_BMSR_10T_FD + | MII_BMSR_10T_HD + | MII_BMSR_AUTONEG + | MII_BMSR_EXTCAP; + s->control =3D MII_BMCR_AUTOEN | MII_BMCR_SPEED100; + s->advertise =3D MII_ANAR_TXFD + | MII_ANAR_TX + | MII_ANAR_10FD + | MII_ANAR_10 + | MII_ANAR_CSMACD; s->int_mask =3D 0; s->ints =3D 0; lan9118_phy_update_link(s, s->link_down); @@ -66,26 +76,26 @@ uint32_t lan9118_phy_read(Lan9118PhyState *s, int reg) uint32_t val; =20 switch (reg) { - case 0: /* Basic Control */ + case MII_BMCR: val =3D s->control; break; - case 1: /* Basic Status */ + case MII_BMSR: val =3D s->status; break; - case 2: /* ID1 */ - val =3D 0x0007; + case MII_PHYID1: + val =3D SMSCLAN9118_PHYID1; break; - case 3: /* ID2 */ - val =3D 0xc0d1; + case MII_PHYID2: + val =3D SMSCLAN9118_PHYID2; break; - case 4: /* Auto-neg advertisement */ + case MII_ANAR: val =3D s->advertise; break; - case 5: /* Auto-neg Link Partner Ability */ + case MII_ANLPAR: val =3D 0x0f71; break; - case 6: /* Auto-neg Expansion */ - val =3D 1; + case MII_ANER: + val =3D MII_ANER_NWAY; break; case 29: /* Interrupt source. */ val =3D s->ints; @@ -120,19 +130,24 @@ void lan9118_phy_write(Lan9118PhyState *s, int reg, u= int32_t val) trace_lan9118_phy_write(val, reg); =20 switch (reg) { - case 0: /* Basic Control */ - if (val & 0x8000) { + case MII_BMCR: + if (val & MII_BMCR_RESET) { lan9118_phy_reset(s); } else { - s->control =3D val & 0x7980; + s->control =3D val & (MII_BMCR_LOOPBACK | MII_BMCR_SPEED100 | + MII_BMCR_AUTOEN | MII_BMCR_PDOWN | MII_BMC= R_FD | + MII_BMCR_CTST); /* Complete autonegotiation immediately. */ - if (val & 0x1000) { - s->status |=3D 0x0020; + if (val & MII_BMCR_AUTOEN) { + s->status |=3D MII_BMSR_AN_COMP; } } break; - case 4: /* Auto-neg advertisement */ - s->advertise =3D (val & 0x2d7f) | 0x80; + case MII_ANAR: + s->advertise =3D (val & (MII_ANAR_RFAULT | MII_ANAR_PAUSE_ASYM | + MII_ANAR_PAUSE | MII_ANAR_10FD | MII_ANAR_1= 0 | + MII_ANAR_SELECT)) + | MII_ANAR_TX; break; case 30: /* Interrupt mask */ s->int_mask =3D val & 0xff; --=20 2.46.2 From nobody Sat Nov 23 22:56:00 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1728161964; cv=none; d=zohomail.com; s=zohoarc; b=PtIC7p7AmvlAVG82SForglP+7rPZxauDNaBWbOhcsqMOHQnQIx8cDf77XW+STBH73EQWgcON8gs2vDaHeKWdO5A4FDvYBpay6qZallAHNBfmBf1QuFXwgodnElMaDA18kO5Knazoc+N6xeymGdYiyTFAwcMlpBKoafyg/hkunP8= ARC-Message-Signature: i=1; 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[217.94.215.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a993f40d542sm105804966b.157.2024.10.05.13.57.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Oct 2024 13:58:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728161881; x=1728766681; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JgYpXgtbXLUe7lni8+U/LXo08TWpLW4e88SRJQEYyUI=; b=BlOSydc6wD3DOcyUGLDti8WcYVQt+66zXnBJPnxRef1VMqEQbWFoirWZKsZd24IK8k 0InSj2j3qi0Miw+2iMjRFEXuTuPMkhBevzezWBN434NlsQ+FUTMFIYi9g/aHf1ye1JXQ MDeFV3+nfqYXu7XSW5FRR7XM6v5XxbE5zXVZJbafntb//8qP4WPu4mrpTOnamkN2g2zA bxQN9Ct09mKlQx2DD6hnbMWSs8iHst+AzPKNVaAG3TxLUNxAoVWliCIhsdR/qNw4WWkZ mkBZJKhG7uTkkG30KJdSiXzetR5HBldkMOHc+FjtnhVbhu5wmmhXU7yHnfxf9r6oU93v B7Ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728161881; x=1728766681; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JgYpXgtbXLUe7lni8+U/LXo08TWpLW4e88SRJQEYyUI=; b=p6E5IjtDhaJslwlam70W7ezPC1xKtuOGWXjwTcxIaWeh4zkIVp8ItuLGGQFNB9j1A4 xU2VwfmJxYOjl1WgsoQ9Bg6EyBECAJDtHzF4wpdmaKvxR061nvWLGIRMOBZdfiXiNVFC U219htkBB8KlyskGQzlENeACtHV6r3y0cn8FRgldQJINZIipTEeLYDn4FkuyzjCjPu7T P34p3blTtX5Ziq8x9ZkrvunTpCtyJst6VuSQpYwr3K4Pbt1tD81DyW203evkxKnNNOlk 6MRS0zLIXAdF/7k0cDM1auKgHp+7gNALWCXn9NRM4paE5bqdQwlGjNxfcdK45a64S5Or 2QFA== X-Forwarded-Encrypted: i=1; AJvYcCUY9xGw736HckwI72FtWp+hqdculIcd+ou6xeLWwwb8kbvxyY/sjZpfUB+eMAWE28QR8phmvy16mg==@nongnu.org X-Gm-Message-State: AOJu0YwGa2pFC48D7AJkisfDn6sAAckz/UFripkbWgj4Uuc+cqB47dvo w7WV0yFu6pNIgdhi4i5KPzYa/5uexeSMgbRyM7fJqMSZtIjmf/4MZWN7TA== X-Google-Smtp-Source: AGHT+IEoRfMX5phfqAyB7ETbyutXMRYQ7LhgxpWYdswjqIPGAynmd7/uUCIYqVBvzE+fxFwIF+RD/w== X-Received: by 2002:a17:907:3d94:b0:a99:3768:7501 with SMTP id a640c23a62f3a-a9937687755mr342299266b.51.1728161880922; Sat, 05 Oct 2024 13:58:00 -0700 (PDT) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Jason Wang , qemu-arm@nongnu.org, Peter Maydell , Paolo Bonzini , Bernhard Beschow Subject: [PATCH 4/4] hw/net/lan9118_phy: Add missing 100 mbps full duplex advertisement Date: Sat, 5 Oct 2024 22:57:48 +0200 Message-ID: <20241005205748.29203-5-shentey@gmail.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241005205748.29203-1-shentey@gmail.com> References: <20241005205748.29203-1-shentey@gmail.com> MIME-Version: 1.0 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::629; envelope-from=shentey@gmail.com; helo=mail-ej1-x629.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, 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: 2.1.29 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 @gmail.com) X-ZM-MESSAGEID: 1728161965127116600 Content-Type: text/plain; charset="utf-8" The real device advertises this mode and the device model already advertises 100 mbps half duplex and 10 mbps full+half duplex. So advertise this mode to make the model more realistic. Signed-off-by: Bernhard Beschow Reviewed-by: Peter Maydell --- hw/net/lan9118_phy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/net/lan9118_phy.c b/hw/net/lan9118_phy.c index 1c2f30c81a..4815a4da35 100644 --- a/hw/net/lan9118_phy.c +++ b/hw/net/lan9118_phy.c @@ -145,8 +145,8 @@ void lan9118_phy_write(Lan9118PhyState *s, int reg, uin= t32_t val) break; case MII_ANAR: s->advertise =3D (val & (MII_ANAR_RFAULT | MII_ANAR_PAUSE_ASYM | - MII_ANAR_PAUSE | MII_ANAR_10FD | MII_ANAR_1= 0 | - MII_ANAR_SELECT)) + MII_ANAR_PAUSE | MII_ANAR_TXFD | MII_ANAR_1= 0FD | + MII_ANAR_10 | MII_ANAR_SELECT)) | MII_ANAR_TX; break; case 30: /* Interrupt mask */ --=20 2.46.2