| /* |
| * (C) Copyright 2010 |
| * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef _DW_ETH_H |
| #define _DW_ETH_H |
| |
| #ifdef CONFIG_DM_GPIO |
| #include <asm-generic/gpio.h> |
| #endif |
| |
| #define CONFIG_TX_DESCR_NUM 16 |
| #define CONFIG_RX_DESCR_NUM 16 |
| #define CONFIG_ETH_BUFSIZE 2048 |
| #define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM) |
| #define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM) |
| |
| #define CONFIG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ) |
| #define CONFIG_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) |
| |
| /* Default DMA Burst length */ |
| #ifndef CONFIG_DW_GMAC_DEFAULT_DMA_PBL |
| #define CONFIG_DW_GMAC_DEFAULT_DMA_PBL 8 |
| #endif |
| |
| /* 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 (CONFIG_DW_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[CONFIG_TX_DESCR_NUM]; |
| struct dmamacdescr rx_mac_descrtable[CONFIG_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; |
| #ifndef CONFIG_DM_ETH |
| struct eth_device *dev; |
| #endif |
| #ifdef CONFIG_DM_GPIO |
| struct gpio_desc reset_gpio; |
| #endif |
| |
| struct phy_device *phydev; |
| struct mii_dev *bus; |
| }; |
| |
| #ifdef CONFIG_DM_ETH |
| int designware_eth_ofdata_to_platdata(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 |
| |
| #endif |