/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2010 * Vipin Kumar, STMicroelectronics, vipin.kumar@st.com. */ #ifndef _DW_ETH_H #define _DW_ETH_H #include #include #if CONFIG_IS_ENABLED(DM_GPIO) #include #endif #define CFG_TX_DESCR_NUM 16 #define CFG_RX_DESCR_NUM 16 #define CFG_ETH_BUFSIZE 2048 #define TX_TOTAL_BUFSIZE (CFG_ETH_BUFSIZE * CFG_TX_DESCR_NUM) #define RX_TOTAL_BUFSIZE (CFG_ETH_BUFSIZE * CFG_RX_DESCR_NUM) #define CFG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ) #define CFG_MDIO_TIMEOUT (3 * CONFIG_SYS_HZ) struct eth_mac_regs { u32 conf; /* 0x00 */ u32 framefilt; /* 0x04 */ u32 hashtablehigh; /* 0x08 */ u32 hashtablelow; /* 0x0c */ u32 miiaddr; /* 0x10 */ u32 miidata; /* 0x14 */ u32 flowcontrol; /* 0x18 */ u32 vlantag; /* 0x1c */ u32 version; /* 0x20 */ u8 reserved_1[20]; u32 intreg; /* 0x38 */ u32 intmask; /* 0x3c */ u32 macaddr0hi; /* 0x40 */ u32 macaddr0lo; /* 0x44 */ }; /* MAC configuration register definitions */ #define FRAMEBURSTENABLE (1 << 21) #define MII_PORTSELECT (1 << 15) #define FES_100 (1 << 14) #define DISABLERXOWN (1 << 13) #define FULLDPLXMODE (1 << 11) #define RXENABLE (1 << 2) #define TXENABLE (1 << 3) /* MII address register definitions */ #define MII_BUSY (1 << 0) #define MII_WRITE (1 << 1) #define MII_CLKRANGE_60_100M (0) #define MII_CLKRANGE_100_150M (0x4) #define MII_CLKRANGE_20_35M (0x8) #define MII_CLKRANGE_35_60M (0xC) #define MII_CLKRANGE_150_250M (0x10) #define MII_CLKRANGE_250_300M (0x14) #define MIIADDRSHIFT (11) #define MIIREGSHIFT (6) #define MII_REGMSK (0x1F << 6) #define MII_ADDRMSK (0x1F << 11) struct eth_dma_regs { u32 busmode; /* 0x00 */ u32 txpolldemand; /* 0x04 */ u32 rxpolldemand; /* 0x08 */ u32 rxdesclistaddr; /* 0x0c */ u32 txdesclistaddr; /* 0x10 */ u32 status; /* 0x14 */ u32 opmode; /* 0x18 */ u32 intenable; /* 0x1c */ u32 reserved1[2]; u32 axibus; /* 0x28 */ u32 reserved2[7]; u32 currhosttxdesc; /* 0x48 */ u32 currhostrxdesc; /* 0x4c */ u32 currhosttxbuffaddr; /* 0x50 */ u32 currhostrxbuffaddr; /* 0x54 */ }; #define DW_DMA_BASE_OFFSET (0x1000) /* DMA Burst length */ #define GMAC_DEFAULT_DMA_PBL 8 /* Bus mode register definitions */ #define FIXEDBURST (1 << 16) #define PRIORXTX_41 (3 << 14) #define PRIORXTX_31 (2 << 14) #define PRIORXTX_21 (1 << 14) #define PRIORXTX_11 (0 << 14) #define DMA_PBL (GMAC_DEFAULT_DMA_PBL << 8) #define RXHIGHPRIO (1 << 1) #define DMAMAC_SRST (1 << 0) /* Poll demand definitions */ #define POLL_DATA (0xFFFFFFFF) /* Operation mode definitions */ #define STOREFORWARD (1 << 21) #define FLUSHTXFIFO (1 << 20) #define TXSTART (1 << 13) #define TXSECONDFRAME (1 << 2) #define RXSTART (1 << 1) /* Descriptior related definitions */ #define MAC_MAX_FRAME_SZ (1600) struct dmamacdescr { u32 txrx_status; u32 dmamac_cntl; u32 dmamac_addr; u32 dmamac_next; } __aligned(ARCH_DMA_MINALIGN); /* * txrx_status definitions */ /* tx status bits definitions */ #if defined(CONFIG_DW_ALTDESCRIPTOR) #define DESC_TXSTS_OWNBYDMA (1 << 31) #define DESC_TXSTS_TXINT (1 << 30) #define DESC_TXSTS_TXLAST (1 << 29) #define DESC_TXSTS_TXFIRST (1 << 28) #define DESC_TXSTS_TXCRCDIS (1 << 27) #define DESC_TXSTS_TXPADDIS (1 << 26) #define DESC_TXSTS_TXCHECKINSCTRL (3 << 22) #define DESC_TXSTS_TXRINGEND (1 << 21) #define DESC_TXSTS_TXCHAIN (1 << 20) #define DESC_TXSTS_MSK (0x1FFFF << 0) #else #define DESC_TXSTS_OWNBYDMA (1 << 31) #define DESC_TXSTS_MSK (0x1FFFF << 0) #endif /* rx status bits definitions */ #define DESC_RXSTS_OWNBYDMA (1 << 31) #define DESC_RXSTS_DAFILTERFAIL (1 << 30) #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16) #define DESC_RXSTS_FRMLENSHFT (16) #define DESC_RXSTS_ERROR (1 << 15) #define DESC_RXSTS_RXTRUNCATED (1 << 14) #define DESC_RXSTS_SAFILTERFAIL (1 << 13) #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12) #define DESC_RXSTS_RXDAMAGED (1 << 11) #define DESC_RXSTS_RXVLANTAG (1 << 10) #define DESC_RXSTS_RXFIRST (1 << 9) #define DESC_RXSTS_RXLAST (1 << 8) #define DESC_RXSTS_RXIPC_GIANT (1 << 7) #define DESC_RXSTS_RXCOLLISION (1 << 6) #define DESC_RXSTS_RXFRAMEETHER (1 << 5) #define DESC_RXSTS_RXWATCHDOG (1 << 4) #define DESC_RXSTS_RXMIIERROR (1 << 3) #define DESC_RXSTS_RXDRIBBLING (1 << 2) #define DESC_RXSTS_RXCRC (1 << 1) /* * dmamac_cntl definitions */ /* tx control bits definitions */ #if defined(CONFIG_DW_ALTDESCRIPTOR) #define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0) #define DESC_TXCTRL_SIZE1SHFT (0) #define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16) #define DESC_TXCTRL_SIZE2SHFT (16) #else #define DESC_TXCTRL_TXINT (1 << 31) #define DESC_TXCTRL_TXLAST (1 << 30) #define DESC_TXCTRL_TXFIRST (1 << 29) #define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27) #define DESC_TXCTRL_TXCRCDIS (1 << 26) #define DESC_TXCTRL_TXRINGEND (1 << 25) #define DESC_TXCTRL_TXCHAIN (1 << 24) #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0) #define DESC_TXCTRL_SIZE1SHFT (0) #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11) #define DESC_TXCTRL_SIZE2SHFT (11) #endif /* rx control bits definitions */ #if defined(CONFIG_DW_ALTDESCRIPTOR) #define DESC_RXCTRL_RXINTDIS (1 << 31) #define DESC_RXCTRL_RXRINGEND (1 << 15) #define DESC_RXCTRL_RXCHAIN (1 << 14) #define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0) #define DESC_RXCTRL_SIZE1SHFT (0) #define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16) #define DESC_RXCTRL_SIZE2SHFT (16) #else #define DESC_RXCTRL_RXINTDIS (1 << 31) #define DESC_RXCTRL_RXRINGEND (1 << 25) #define DESC_RXCTRL_RXCHAIN (1 << 24) #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0) #define DESC_RXCTRL_SIZE1SHFT (0) #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11) #define DESC_RXCTRL_SIZE2SHFT (11) #endif struct dw_eth_dev { struct dmamacdescr tx_mac_descrtable[CFG_TX_DESCR_NUM]; struct dmamacdescr rx_mac_descrtable[CFG_RX_DESCR_NUM]; char txbuffs[TX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN); char rxbuffs[RX_TOTAL_BUFSIZE] __aligned(ARCH_DMA_MINALIGN); u32 interface; u32 max_speed; u32 tx_currdescnum; u32 rx_currdescnum; struct eth_mac_regs *mac_regs_p; struct eth_dma_regs *dma_regs_p; #if CONFIG_IS_ENABLED(DM_GPIO) struct gpio_desc reset_gpio; #endif #ifdef CONFIG_CLK struct clk *clocks; /* clock list */ int clock_count; /* number of clock in clock list */ #endif struct udevice *dev; struct phy_device *phydev; struct mii_dev *bus; }; int designware_eth_of_to_plat(struct udevice *dev); int designware_eth_probe(struct udevice *dev); extern const struct eth_ops designware_eth_ops; struct dw_eth_pdata { struct eth_pdata eth_pdata; u32 reset_delays[3]; }; int designware_eth_init(struct dw_eth_dev *priv, u8 *enetaddr); int designware_eth_enable(struct dw_eth_dev *priv); int designware_eth_send(struct udevice *dev, void *packet, int length); int designware_eth_recv(struct udevice *dev, int flags, uchar **packetp); int designware_eth_free_pkt(struct udevice *dev, uchar *packet, int length); void designware_eth_stop(struct udevice *dev); int designware_eth_write_hwaddr(struct udevice *dev); #endif