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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id 5sm18029779wrk.86.2019.10.14.09.05.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Oct 2019 09:05:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=XNiBn4X3d0rJzAFSTzHsptth+MKPz04rdh87xR5jgCE=; b=HExwyYsO0yxsTRTE+zuisqXOLo18knVcrvhiHYBfWcPHqauVTEqnDMfPIWsGjhg9uA 8oKXPW2miw/Pdix6uqlXxm0/8wwyaFFy/1AbI3YgQBWm2yKPj362Px5gXt0tWFJrtqC2 qsuX7oKyfwr8UVCnFGcvmuWQzsW25H6/48Qtkv8jTx7qoLH7ITMgnj2HRIRGGWqTdWJo 5ZLqOYxpnI32dyI4z78G93Njx7tRdQJvdz9oL0i1RUQe2P3HJ9jNOSaby8Z65qOlQNHA n3wV8Yv4GAQ9iXbuNyVnZnUGofIqoSEdqLnPvmkBeQ4Q3BuLsbR4uXNRA2hTFPpuTRIF Ex/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XNiBn4X3d0rJzAFSTzHsptth+MKPz04rdh87xR5jgCE=; b=MrLpu3m4ghV1SadaytFgdAcgiLqIT2VLCN0dMabiSHgHtlfZLEthvhtZqEV3ijjLsU oC0qhU/eFYJssNglzLih3v1PfZn9NAQNFOgLTaXfExv6apJjvRQ4qRLxqCt5keIEFtU9 hThjAbCx1Wb2AvCDTEvm+IGAdiw6fyyR5adL5RlakhFcEudlEbEzvQZG462B6Qx08sZU scGgSKTOTQOhyr/1o+t7edroyOUqgVxQflohoFguLq6ELe0OSnpzHt+KIn+r7bqBmWKt 8rpprO049c3pif/jdZ4CN+OwJ1+2OOOCcXOBwnt7FWgiPJNfyEGtQAPZSid8k4gbWxAT zhmA== X-Gm-Message-State: APjAAAXhRU46y+TdD4Ny6QO4YWy5mKZW8WV+BJU5kSLTqeAQNpybi+8K dP/hrIxWdq3QxDSnkjTb69vJNXoDHaCo9A== X-Google-Smtp-Source: APXvYqx0EF7pU1LDDmZFCw8h1dQ6Q2uHOuLXIuQY1e9JiO9kwLXowXiS5eyNCv5aHjQdxJ2jQMiTvw== X-Received: by 2002:adf:e688:: with SMTP id r8mr28623133wrm.342.1571069140222; Mon, 14 Oct 2019 09:05:40 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 61/68] aspeed: add support for the Aspeed MII controller of the AST2600 Date: Mon, 14 Oct 2019 17:03:57 +0100 Message-Id: <20191014160404.19553-62-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191014160404.19553-1-peter.maydell@linaro.org> References: <20191014160404.19553-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::42d 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 @linaro.org) From: C=C3=A9dric Le Goater The AST2600 SoC has an extra controller to set the PHY registers. Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Joel Stanley Message-id: 20190925143248.10000-23-clg@kaod.org Signed-off-by: Peter Maydell --- include/hw/arm/aspeed_soc.h | 5 ++ include/hw/net/ftgmac100.h | 17 ++++ hw/arm/aspeed_ast2600.c | 20 +++++ hw/net/ftgmac100.c | 162 ++++++++++++++++++++++++++++++++++++ 4 files changed, 204 insertions(+) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index 088a5d10818..43478f61787 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -52,6 +52,7 @@ typedef struct AspeedSoCState { AspeedSDMCState sdmc; AspeedWDTState wdt[ASPEED_WDTS_NUM]; FTGMAC100State ftgmac100[ASPEED_MACS_NUM]; + AspeedMiiState mii[ASPEED_MACS_NUM]; AspeedGPIOState gpio; AspeedGPIOState gpio_1_8v; AspeedSDHCIState sdhci; @@ -117,6 +118,10 @@ enum { ASPEED_ETH2, ASPEED_ETH3, ASPEED_ETH4, + ASPEED_MII1, + ASPEED_MII2, + ASPEED_MII3, + ASPEED_MII4, ASPEED_SDRAM, ASPEED_XDMA, }; diff --git a/include/hw/net/ftgmac100.h b/include/hw/net/ftgmac100.h index 94cfe053329..ab37e7b2b8a 100644 --- a/include/hw/net/ftgmac100.h +++ b/include/hw/net/ftgmac100.h @@ -66,4 +66,21 @@ typedef struct FTGMAC100State { uint32_t rxdes0_edorr; } FTGMAC100State; =20 +#define TYPE_ASPEED_MII "aspeed-mmi" +#define ASPEED_MII(obj) OBJECT_CHECK(AspeedMiiState, (obj), TYPE_ASPEED_MI= I) + +/* + * AST2600 MII controller + */ +typedef struct AspeedMiiState { + /*< private >*/ + SysBusDevice parent_obj; + + FTGMAC100State *nic; + + MemoryRegion iomem; + uint32_t phycr; + uint32_t phydata; +} AspeedMiiState; + #endif diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index 25d2c2d05d6..af047463a35 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -31,6 +31,10 @@ static const hwaddr aspeed_soc_ast2600_memmap[] =3D { [ASPEED_FMC] =3D 0x1E620000, [ASPEED_SPI1] =3D 0x1E630000, [ASPEED_SPI2] =3D 0x1E641000, + [ASPEED_MII1] =3D 0x1E650000, + [ASPEED_MII2] =3D 0x1E650008, + [ASPEED_MII3] =3D 0x1E650010, + [ASPEED_MII4] =3D 0x1E650018, [ASPEED_ETH1] =3D 0x1E660000, [ASPEED_ETH3] =3D 0x1E670000, [ASPEED_ETH2] =3D 0x1E680000, @@ -181,6 +185,12 @@ static void aspeed_soc_ast2600_init(Object *obj) for (i =3D 0; i < sc->macs_num; i++) { sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]= ), sizeof(s->ftgmac100[i]), TYPE_FTGMAC100); + + sysbus_init_child_obj(obj, "mii[*]", &s->mii[i], sizeof(s->mii[i]), + TYPE_ASPEED_MII); + object_property_add_const_link(OBJECT(&s->mii[i]), "nic", + OBJECT(&s->ftgmac100[i]), + &error_abort); } =20 sysbus_init_child_obj(obj, "xdma", OBJECT(&s->xdma), sizeof(s->xdma), @@ -417,6 +427,16 @@ static void aspeed_soc_ast2600_realize(DeviceState *de= v, Error **errp) sc->memmap[ASPEED_ETH1 + i]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0, aspeed_soc_get_irq(s, ASPEED_ETH1 + i)); + + object_property_set_bool(OBJECT(&s->mii[i]), true, "realized", + &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0, + sc->memmap[ASPEED_MII1 + i]); } =20 /* XDMA */ diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c index 04c78e85170..eb8b441461a 100644 --- a/hw/net/ftgmac100.c +++ b/hw/net/ftgmac100.c @@ -15,6 +15,7 @@ #include "hw/irq.h" #include "hw/net/ftgmac100.h" #include "sysemu/dma.h" +#include "qapi/error.h" #include "qemu/log.h" #include "qemu/module.h" #include "net/checksum.h" @@ -1087,9 +1088,170 @@ static const TypeInfo ftgmac100_info =3D { .class_init =3D ftgmac100_class_init, }; =20 +/* + * AST2600 MII controller + */ +#define ASPEED_MII_PHYCR_FIRE BIT(31) +#define ASPEED_MII_PHYCR_ST_22 BIT(28) +#define ASPEED_MII_PHYCR_OP(x) ((x) & (ASPEED_MII_PHYCR_OP_WRITE | \ + ASPEED_MII_PHYCR_OP_READ)) +#define ASPEED_MII_PHYCR_OP_WRITE BIT(26) +#define ASPEED_MII_PHYCR_OP_READ BIT(27) +#define ASPEED_MII_PHYCR_DATA(x) (x & 0xffff) +#define ASPEED_MII_PHYCR_PHY(x) (((x) >> 21) & 0x1f) +#define ASPEED_MII_PHYCR_REG(x) (((x) >> 16) & 0x1f) + +#define ASPEED_MII_PHYDATA_IDLE BIT(16) + +static void aspeed_mii_transition(AspeedMiiState *s, bool fire) +{ + if (fire) { + s->phycr |=3D ASPEED_MII_PHYCR_FIRE; + s->phydata &=3D ~ASPEED_MII_PHYDATA_IDLE; + } else { + s->phycr &=3D ~ASPEED_MII_PHYCR_FIRE; + s->phydata |=3D ASPEED_MII_PHYDATA_IDLE; + } +} + +static void aspeed_mii_do_phy_ctl(AspeedMiiState *s) +{ + uint8_t reg; + uint16_t data; + + if (!(s->phycr & ASPEED_MII_PHYCR_ST_22)) { + aspeed_mii_transition(s, !ASPEED_MII_PHYCR_FIRE); + qemu_log_mask(LOG_UNIMP, "%s: unsupported ST code\n", __func__); + return; + } + + /* Nothing to do */ + if (!(s->phycr & ASPEED_MII_PHYCR_FIRE)) { + return; + } + + reg =3D ASPEED_MII_PHYCR_REG(s->phycr); + data =3D ASPEED_MII_PHYCR_DATA(s->phycr); + + switch (ASPEED_MII_PHYCR_OP(s->phycr)) { + case ASPEED_MII_PHYCR_OP_WRITE: + do_phy_write(s->nic, reg, data); + break; + case ASPEED_MII_PHYCR_OP_READ: + s->phydata =3D (s->phydata & ~0xffff) | do_phy_read(s->nic, reg); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid OP code %08x\n", + __func__, s->phycr); + } + + aspeed_mii_transition(s, !ASPEED_MII_PHYCR_FIRE); +} + +static uint64_t aspeed_mii_read(void *opaque, hwaddr addr, unsigned size) +{ + AspeedMiiState *s =3D ASPEED_MII(opaque); + + switch (addr) { + case 0x0: + return s->phycr; + case 0x4: + return s->phydata; + default: + g_assert_not_reached(); + } +} + +static void aspeed_mii_write(void *opaque, hwaddr addr, + uint64_t value, unsigned size) +{ + AspeedMiiState *s =3D ASPEED_MII(opaque); + + switch (addr) { + case 0x0: + s->phycr =3D value & ~(s->phycr & ASPEED_MII_PHYCR_FIRE); + break; + case 0x4: + s->phydata =3D value & ~(0xffff | ASPEED_MII_PHYDATA_IDLE); + break; + default: + g_assert_not_reached(); + } + + aspeed_mii_transition(s, !!(s->phycr & ASPEED_MII_PHYCR_FIRE)); + aspeed_mii_do_phy_ctl(s); +} + +static const MemoryRegionOps aspeed_mii_ops =3D { + .read =3D aspeed_mii_read, + .write =3D aspeed_mii_write, + .valid.min_access_size =3D 4, + .valid.max_access_size =3D 4, + .endianness =3D DEVICE_LITTLE_ENDIAN, +}; + +static void aspeed_mii_reset(DeviceState *dev) +{ + AspeedMiiState *s =3D ASPEED_MII(dev); + + s->phycr =3D 0; + s->phydata =3D 0; + + aspeed_mii_transition(s, !!(s->phycr & ASPEED_MII_PHYCR_FIRE)); +}; + +static void aspeed_mii_realize(DeviceState *dev, Error **errp) +{ + AspeedMiiState *s =3D ASPEED_MII(dev); + SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); + Object *obj; + Error *local_err =3D NULL; + + obj =3D object_property_get_link(OBJECT(dev), "nic", &local_err); + if (!obj) { + error_propagate(errp, local_err); + error_prepend(errp, "required link 'nic' not found: "); + return; + } + + s->nic =3D FTGMAC100(obj); + + memory_region_init_io(&s->iomem, OBJECT(dev), &aspeed_mii_ops, s, + TYPE_ASPEED_MII, 0x8); + sysbus_init_mmio(sbd, &s->iomem); +} + +static const VMStateDescription vmstate_aspeed_mii =3D { + .name =3D TYPE_ASPEED_MII, + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (VMStateField[]) { + VMSTATE_UINT32(phycr, FTGMAC100State), + VMSTATE_UINT32(phydata, FTGMAC100State), + VMSTATE_END_OF_LIST() + } +}; +static void aspeed_mii_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + + dc->vmsd =3D &vmstate_aspeed_mii; + dc->reset =3D aspeed_mii_reset; + dc->realize =3D aspeed_mii_realize; + dc->desc =3D "Aspeed MII controller"; +} + +static const TypeInfo aspeed_mii_info =3D { + .name =3D TYPE_ASPEED_MII, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(AspeedMiiState), + .class_init =3D aspeed_mii_class_init, +}; + static void ftgmac100_register_types(void) { type_register_static(&ftgmac100_info); + type_register_static(&aspeed_mii_info); } =20 type_init(ftgmac100_register_types) --=20 2.20.1