X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ffec_mxc.c;h=dac07b6e34d24c26c8b39fcc13e631d5bd372f36;hb=cce289a928583a64db6ec8f813cc7884ae62c213;hp=29af85ce0a9a433deea905657d87241794cf66ff;hpb=844fb498cc978608ec88bdf29913c0d46c85bfff;p=oweals%2Fu-boot.git diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 29af85ce0a..dac07b6e34 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2009 Ilya Yanok, Emcraft Systems Ltd * (C) Copyright 2008,2009 Eric Jarrige * (C) Copyright 2008 Armadeus Systems nc * (C) Copyright 2007 Pengutronix, Sascha Hauer * (C) Copyright 2007 Pengutronix, Juergen Beisert - * - * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -16,7 +15,6 @@ #include #include #include -#include "fec_mxc.h" #include #include @@ -25,6 +23,9 @@ #include #include #include +#include + +#include "fec_mxc.h" DECLARE_GLOBAL_DATA_PTR; @@ -807,7 +808,16 @@ static int fec_recv(struct eth_device *dev) uint16_t bd_status; ulong addr, size, end; int i; + +#ifdef CONFIG_DM_ETH + *packetp = memalign(ARCH_DMA_MINALIGN, FEC_MAX_PKT_SIZE); + if (*packetp == 0) { + printf("%s: error allocating packetp\n", __func__); + return -ENOMEM; + } +#else ALLOC_CACHE_ALIGN_BUFFER(uchar, buff, FEC_MAX_PKT_SIZE); +#endif /* Check if any critical events have happened */ ievent = readl(&fec->eth->ievent); @@ -883,8 +893,13 @@ static int fec_recv(struct eth_device *dev) #ifdef CONFIG_FEC_MXC_SWAP_PACKET swap_packet((uint32_t *)addr, frame_length); #endif + +#ifdef CONFIG_DM_ETH + memcpy(*packetp, (char *)addr, frame_length); +#else memcpy(buff, (char *)addr, frame_length); net_process_received_packet(buff, frame_length); +#endif len = frame_length; } else { if (bd_status & FEC_RBD_ERR) @@ -998,18 +1013,9 @@ static void fec_free_descs(struct fec_priv *fec) free(fec->tbd_base); } -#ifdef CONFIG_DM_ETH -struct mii_dev *fec_get_miibus(struct udevice *dev, int dev_id) -#else -struct mii_dev *fec_get_miibus(uint32_t base_addr, int dev_id) -#endif +struct mii_dev *fec_get_miibus(ulong base_addr, int dev_id) { -#ifdef CONFIG_DM_ETH - struct fec_priv *priv = dev_get_priv(dev); - struct ethernet_regs *eth = priv->eth; -#else - struct ethernet_regs *eth = (struct ethernet_regs *)(ulong)base_addr; -#endif + struct ethernet_regs *eth = (struct ethernet_regs *)base_addr; struct mii_dev *bus; int ret; @@ -1141,12 +1147,12 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr) #endif int ret; -#ifdef CONFIG_MX28 +#ifdef CONFIG_FEC_MXC_MDIO_BASE /* * The i.MX28 has two ethernet interfaces, but they are not equal. * Only the first one can access the MDIO bus. */ - base_mii = MXS_ENET0_BASE; + base_mii = CONFIG_FEC_MXC_MDIO_BASE; #else base_mii = addr; #endif @@ -1202,10 +1208,19 @@ static int fecmxc_read_rom_hwaddr(struct udevice *dev) return fec_get_hwaddr(priv->dev_id, pdata->enetaddr); } +static int fecmxc_free_pkt(struct udevice *dev, uchar *packet, int length) +{ + if (packet) + free(packet); + + return 0; +} + static const struct eth_ops fecmxc_ops = { .start = fecmxc_init, .send = fecmxc_send, .recv = fecmxc_recv, + .free_pkt = fecmxc_free_pkt, .stop = fecmxc_halt, .write_hwaddr = fecmxc_set_hwaddr, .read_rom_hwaddr = fecmxc_read_rom_hwaddr, @@ -1216,7 +1231,7 @@ static int fec_phy_init(struct fec_priv *priv, struct udevice *dev) struct phy_device *phydev; int mask = 0xffffffff; -#ifdef CONFIG_PHYLIB +#ifdef CONFIG_FEC_MXC_PHYADDR mask = 1 << CONFIG_FEC_MXC_PHYADDR; #endif @@ -1232,12 +1247,24 @@ static int fec_phy_init(struct fec_priv *priv, struct udevice *dev) return 0; } +#ifdef CONFIG_DM_GPIO +/* FEC GPIO reset */ +static void fec_gpio_reset(struct fec_priv *priv) +{ + debug("fec_gpio_reset: fec_gpio_reset(dev)\n"); + if (dm_gpio_is_valid(&priv->phy_reset_gpio)) { + dm_gpio_set_value(&priv->phy_reset_gpio, 1); + udelay(priv->reset_delay); + dm_gpio_set_value(&priv->phy_reset_gpio, 0); + } +} +#endif + static int fecmxc_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); struct fec_priv *priv = dev_get_priv(dev); struct mii_dev *bus = NULL; - int dev_id = -1; uint32_t start; int ret; @@ -1245,6 +1272,9 @@ static int fecmxc_probe(struct udevice *dev) if (ret) return ret; +#ifdef CONFIG_DM_GPIO + fec_gpio_reset(priv); +#endif /* Reset chip. */ writel(readl(&priv->eth->ecntrl) | FEC_ECNTRL_RESET, &priv->eth->ecntrl); @@ -1258,9 +1288,13 @@ static int fecmxc_probe(struct udevice *dev) } fec_reg_setup(priv); - priv->dev_id = (dev_id == -1) ? 0 : dev_id; - bus = fec_get_miibus(dev, dev_id); + priv->dev_id = dev->seq; +#ifdef CONFIG_FEC_MXC_MDIO_BASE + bus = fec_get_miibus((ulong)CONFIG_FEC_MXC_MDIO_BASE, dev->seq); +#else + bus = fec_get_miibus((ulong)priv->eth, dev->seq); +#endif if (!bus) { ret = -ENOMEM; goto err_mii; @@ -1275,12 +1309,11 @@ static int fecmxc_probe(struct udevice *dev) return 0; -err_timeout: - free(priv->phydev); err_phy: mdio_unregister(bus); free(bus); err_mii: +err_timeout: fec_free_descs(priv); return ret; } @@ -1299,6 +1332,7 @@ static int fecmxc_remove(struct udevice *dev) static int fecmxc_ofdata_to_platdata(struct udevice *dev) { + int ret = 0; struct eth_pdata *pdata = dev_get_platdata(dev); struct fec_priv *priv = dev_get_priv(dev); const char *phy_mode; @@ -1316,16 +1350,32 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev) return -EINVAL; } - /* TODO - * Need to get the reset-gpio and related properties from DT - * and implemet the enet reset code on .probe call - */ +#ifdef CONFIG_DM_GPIO + ret = gpio_request_by_name(dev, "phy-reset-gpios", 0, + &priv->phy_reset_gpio, GPIOD_IS_OUT); + if (ret == 0) { + ret = dev_read_u32_array(dev, "phy-reset-duration", + &priv->reset_delay, 1); + } else if (ret == -ENOENT) { + priv->reset_delay = 1000; + ret = 0; + } - return 0; + if (priv->reset_delay > 1000) { + printf("FEX MXC: gpio reset timeout should be less the 1000\n"); + priv->reset_delay = 1000; + } +#endif + + return ret; } static const struct udevice_id fecmxc_ids[] = { { .compatible = "fsl,imx6q-fec" }, + { .compatible = "fsl,imx6sl-fec" }, + { .compatible = "fsl,imx6sx-fec" }, + { .compatible = "fsl,imx6ul-fec" }, + { .compatible = "fsl,imx53-fec" }, { } };