/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2018 MediaTek Inc. * * Author: Weijie Gao * Author: Mark Lee */ #ifndef _MTK_ETH_H_ #define _MTK_ETH_H_ #include #include enum mkt_eth_capabilities { MTK_TRGMII_BIT, MTK_TRGMII_MT7621_CLK_BIT, MTK_U3_COPHY_V2_BIT, MTK_INFRA_BIT, MTK_NETSYS_V2_BIT, MTK_NETSYS_V3_BIT, /* PATH BITS */ MTK_ETH_PATH_GMAC1_TRGMII_BIT, MTK_ETH_PATH_GMAC2_SGMII_BIT, }; #define MTK_TRGMII BIT(MTK_TRGMII_BIT) #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) #define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT) #define MTK_INFRA BIT(MTK_INFRA_BIT) #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) #define MTK_NETSYS_V3 BIT(MTK_NETSYS_V3_BIT) /* Supported path present on SoCs */ #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT) #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT) #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII) #define MTK_GMAC2_U3_QPHY (MTK_ETH_PATH_GMAC2_SGMII | MTK_U3_COPHY_V2 | MTK_INFRA) #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) #define MT7621_CAPS (MTK_GMAC1_TRGMII | MTK_TRGMII_MT7621_CLK) #define MT7623_CAPS (MTK_GMAC1_TRGMII) #define MT7981_CAPS (MTK_GMAC2_U3_QPHY | MTK_NETSYS_V2) #define MT7986_CAPS (MTK_NETSYS_V2) #define MT7988_CAPS (MTK_NETSYS_V3 | MTK_INFRA) /* Frame Engine Register Bases */ #define PDMA_V1_BASE 0x0800 #define PDMA_V2_BASE 0x6000 #define PDMA_V3_BASE 0x6800 #define GDMA1_BASE 0x0500 #define GDMA2_BASE 0x1500 #define GDMA3_BASE 0x0540 #define GMAC_BASE 0x10000 #define GSW_BASE 0x20000 /* Ethernet subsystem registers */ #define ETHSYS_SYSCFG0_REG 0x14 #define SYSCFG0_GE_MODE_S(n) (12 + ((n) * 2)) #define SYSCFG0_GE_MODE_M 0x3 #define SYSCFG0_SGMII_SEL_M (0x3 << 8) #define SYSCFG0_SGMII_SEL(gmac) ((!(gmac)) ? BIT(9) : BIT(8)) #define ETHSYS_CLKCFG0_REG 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) /* Top misc registers */ #define TOPMISC_NETSYS_PCS_MUX 0x84 #define NETSYS_PCS_MUX_MASK GENMASK(1, 0) #define MUX_G2_USXGMII_SEL BIT(1) #define MUX_HSGMII1_G1_SEL BIT(0) #define USB_PHY_SWITCH_REG 0x218 #define QPHY_SEL_MASK 0x3 #define SGMII_QPHY_SEL 0x2 /* SYSCFG0_GE_MODE: GE Modes */ #define GE_MODE_RGMII 0 #define GE_MODE_MII 1 #define GE_MODE_MII_PHY 2 #define GE_MODE_RMII 3 /* SGMII subsystem config registers */ #define SGMSYS_PCS_CONTROL_1 0x0 #define SGMII_LINK_STATUS BIT(18) #define SGMII_AN_ENABLE BIT(12) #define SGMII_AN_RESTART BIT(9) #define SGMSYS_SGMII_MODE 0x20 #define SGMII_AN_MODE 0x31120103 #define SGMII_FORCE_MODE 0x31120019 #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 #define SGMII_PHYA_PWD BIT(4) #define SGMSYS_QPHY_WRAP_CTRL 0xec #define SGMII_PN_SWAP_TX_RX 0x03 #define SGMSYS_GEN2_SPEED 0x2028 #define SGMSYS_GEN2_SPEED_V2 0x128 #define SGMSYS_SPEED_2500 BIT(2) /* USXGMII subsystem config registers */ /* Register to control USXGMII XFI PLL digital */ #define XFI_PLL_DIG_GLB8 0x08 #define RG_XFI_PLL_EN BIT(31) /* Register to control USXGMII XFI PLL analog */ #define XFI_PLL_ANA_GLB8 0x108 #define RG_XFI_PLL_ANA_SWWA 0x02283248 /* Frame Engine Registers */ #define PSE_NO_DROP_CFG_REG 0x108 #define PSE_NO_DROP_GDM1 BIT(1) #define FE_GLO_MISC_REG 0x124 #define PDMA_VER_V2 BIT(4) /* PDMA */ #define TX_BASE_PTR_REG(n) (0x000 + (n) * 0x10) #define TX_MAX_CNT_REG(n) (0x004 + (n) * 0x10) #define TX_CTX_IDX_REG(n) (0x008 + (n) * 0x10) #define TX_DTX_IDX_REG(n) (0x00c + (n) * 0x10) #define RX_BASE_PTR_REG(n) (0x100 + (n) * 0x10) #define RX_MAX_CNT_REG(n) (0x104 + (n) * 0x10) #define RX_CRX_IDX_REG(n) (0x108 + (n) * 0x10) #define RX_DRX_IDX_REG(n) (0x10c + (n) * 0x10) #define PDMA_GLO_CFG_REG 0x204 #define TX_WB_DDONE BIT(6) #define RX_DMA_BUSY BIT(3) #define RX_DMA_EN BIT(2) #define TX_DMA_BUSY BIT(1) #define TX_DMA_EN BIT(0) #define PDMA_RST_IDX_REG 0x208 #define RST_DRX_IDX0 BIT(16) #define RST_DTX_IDX0 BIT(0) /* GDMA */ #define GDMA_IG_CTRL_REG 0x000 #define GDM_ICS_EN BIT(22) #define GDM_TCS_EN BIT(21) #define GDM_UCS_EN BIT(20) #define STRP_CRC BIT(16) #define MYMAC_DP_S 12 #define MYMAC_DP_M 0xf000 #define BC_DP_S 8 #define BC_DP_M 0xf00 #define MC_DP_S 4 #define MC_DP_M 0xf0 #define UN_DP_S 0 #define UN_DP_M 0x0f #define GDMA_EG_CTRL_REG 0x004 #define GDMA_CPU_BRIDGE_EN BIT(31) #define GDMA_MAC_LSB_REG 0x008 #define GDMA_MAC_MSB_REG 0x00c /* MYMAC_DP/BC_DP/MC_DP/UN_DP: Destination ports */ #define DP_PDMA 0 #define DP_GDMA1 1 #define DP_GDMA2 2 #define DP_PPE 4 #define DP_QDMA 5 #define DP_DISCARD 7 /* GMAC Registers */ #define GMAC_PIAC_REG 0x0004 #define PHY_ACS_ST BIT(31) #define MDIO_REG_ADDR_S 25 #define MDIO_REG_ADDR_M 0x3e000000 #define MDIO_PHY_ADDR_S 20 #define MDIO_PHY_ADDR_M 0x1f00000 #define MDIO_CMD_S 18 #define MDIO_CMD_M 0xc0000 #define MDIO_ST_S 16 #define MDIO_ST_M 0x30000 #define MDIO_RW_DATA_S 0 #define MDIO_RW_DATA_M 0xffff #define GMAC_XGMAC_STS_REG 0x000c #define P1_XGMAC_FORCE_LINK BIT(15) #define GMAC_MAC_MISC_REG 0x0010 #define GMAC_GSW_CFG_REG 0x0080 #define GSWTX_IPG_M 0xF0000 #define GSWTX_IPG_S 16 #define GSWRX_IPG_M 0xF #define GSWRX_IPG_S 0 /* MDIO_CMD: MDIO commands */ #define MDIO_CMD_ADDR 0 #define MDIO_CMD_WRITE 1 #define MDIO_CMD_READ 2 #define MDIO_CMD_READ_C45 3 /* MDIO_ST: MDIO start field */ #define MDIO_ST_C45 0 #define MDIO_ST_C22 1 #define GMAC_PORT_MCR(p) (0x0100 + (p) * 0x100) #define MAC_RX_PKT_LEN_S 24 #define MAC_RX_PKT_LEN_M 0x3000000 #define IPG_CFG_S 18 #define IPG_CFG_M 0xc0000 #define MAC_MODE BIT(16) #define FORCE_MODE BIT(15) #define MAC_TX_EN BIT(14) #define MAC_RX_EN BIT(13) #define DEL_RXFIFO_CLR BIT(12) #define BKOFF_EN BIT(9) #define BACKPR_EN BIT(8) #define FORCE_RX_FC BIT(5) #define FORCE_TX_FC BIT(4) #define FORCE_SPD_S 2 #define FORCE_SPD_M 0x0c #define FORCE_DPX BIT(1) #define FORCE_LINK BIT(0) /* Values of IPG_CFG */ #define IPG_96BIT 0 #define IPG_96BIT_WITH_SHORT_IPG 1 #define IPG_64BIT 2 /* MAC_RX_PKT_LEN: Max RX packet length */ #define MAC_RX_PKT_LEN_1518 0 #define MAC_RX_PKT_LEN_1536 1 #define MAC_RX_PKT_LEN_1552 2 #define MAC_RX_PKT_LEN_JUMBO 3 /* FORCE_SPD: Forced link speed */ #define SPEED_10M 0 #define SPEED_100M 1 #define SPEED_1000M 2 #define GMAC_TRGMII_RCK_CTRL 0x300 #define RX_RST BIT(31) #define RXC_DQSISEL BIT(30) #define GMAC_TRGMII_TD_ODT(n) (0x354 + (n) * 8) #define TD_DM_DRVN_S 4 #define TD_DM_DRVN_M 0xf0 #define TD_DM_DRVP_S 0 #define TD_DM_DRVP_M 0x0f /* XGMAC Status Registers */ #define XGMAC_STS(x) (((x) == 2) ? 0x001C : 0x000C) #define XGMAC_FORCE_LINK BIT(15) /* XGMAC Registers */ #define XGMAC_PORT_MCR(x) (0x2000 + (((x) - 1) * 0x1000)) #define XGMAC_TRX_DISABLE 0xf #define XGMAC_FORCE_TX_FC BIT(5) #define XGMAC_FORCE_RX_FC BIT(4) /* MT7530 Registers */ #define PCR_REG(p) (0x2004 + (p) * 0x100) #define PORT_MATRIX_S 16 #define PORT_MATRIX_M 0xff0000 #define PVC_REG(p) (0x2010 + (p) * 0x100) #define STAG_VPID_S 16 #define STAG_VPID_M 0xffff0000 #define VLAN_ATTR_S 6 #define VLAN_ATTR_M 0xc0 /* VLAN_ATTR: VLAN attributes */ #define VLAN_ATTR_USER 0 #define VLAN_ATTR_STACK 1 #define VLAN_ATTR_TRANSLATION 2 #define VLAN_ATTR_TRANSPARENT 3 #define PMCR_REG(p) (0x3000 + (p) * 0x100) /* XXX: all fields of MT7530 are defined under GMAC_PORT_MCR * MT7531 specific fields are defined below */ #define FORCE_MODE_EEE1G BIT(25) #define FORCE_MODE_EEE100 BIT(26) #define FORCE_MODE_TX_FC BIT(27) #define FORCE_MODE_RX_FC BIT(28) #define FORCE_MODE_DPX BIT(29) #define FORCE_MODE_SPD BIT(30) #define FORCE_MODE_LNK BIT(31) #define MT7531_FORCE_MODE FORCE_MODE_EEE1G | FORCE_MODE_EEE100 |\ FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ FORCE_MODE_DPX | FORCE_MODE_SPD | \ FORCE_MODE_LNK #define MT7988_FORCE_MODE FORCE_MODE_TX_FC | FORCE_MODE_RX_FC | \ FORCE_MODE_DPX | FORCE_MODE_SPD | \ FORCE_MODE_LNK /* MT7531 SGMII Registers */ #define MT7531_SGMII_REG_BASE 0x5000 #define MT7531_SGMII_REG_PORT_BASE 0x1000 #define MT7531_SGMII_REG(p, r) (MT7531_SGMII_REG_BASE + \ (p) * MT7531_SGMII_REG_PORT_BASE + (r)) #define MT7531_PCS_CONTROL_1(p) MT7531_SGMII_REG(((p) - 5), 0x00) #define MT7531_SGMII_MODE(p) MT7531_SGMII_REG(((p) - 5), 0x20) #define MT7531_QPHY_PWR_STATE_CTRL(p) MT7531_SGMII_REG(((p) - 5), 0xe8) #define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(((p) - 5), 0x128) /* XXX: all fields of MT7531 SGMII are defined under SGMSYS */ /* MT753x System Control Register */ #define SYS_CTRL_REG 0x7000 #define SW_PHY_RST BIT(2) #define SW_SYS_RST BIT(1) #define SW_REG_RST BIT(0) /* MT7531 */ #define MT7531_PHY_IAC 0x701c /* XXX: all fields are defined under GMAC_PIAC_REG */ #define MT7531_CLKGEN_CTRL 0x7500 #define CLK_SKEW_OUT_S 8 #define CLK_SKEW_OUT_M 0x300 #define CLK_SKEW_IN_S 6 #define CLK_SKEW_IN_M 0xc0 #define RXCLK_NO_DELAY BIT(5) #define TXCLK_NO_REVERSE BIT(4) #define GP_MODE_S 1 #define GP_MODE_M 0x06 #define GP_CLK_EN BIT(0) /* Values of GP_MODE */ #define GP_MODE_RGMII 0 #define GP_MODE_MII 1 #define GP_MODE_REV_MII 2 /* Values of CLK_SKEW_IN */ #define CLK_SKEW_IN_NO_CHANGE 0 #define CLK_SKEW_IN_DELAY_100PPS 1 #define CLK_SKEW_IN_DELAY_200PPS 2 #define CLK_SKEW_IN_REVERSE 3 /* Values of CLK_SKEW_OUT */ #define CLK_SKEW_OUT_NO_CHANGE 0 #define CLK_SKEW_OUT_DELAY_100PPS 1 #define CLK_SKEW_OUT_DELAY_200PPS 2 #define CLK_SKEW_OUT_REVERSE 3 #define HWTRAP_REG 0x7800 /* MT7530 Modified Hardware Trap Status Registers */ #define MHWTRAP_REG 0x7804 #define CHG_TRAP BIT(16) #define LOOPDET_DIS BIT(14) #define P5_INTF_SEL_S 13 #define P5_INTF_SEL_M 0x2000 #define SMI_ADDR_S 11 #define SMI_ADDR_M 0x1800 #define XTAL_FSEL_S 9 #define XTAL_FSEL_M 0x600 #define P6_INTF_DIS BIT(8) #define P5_INTF_MODE_S 7 #define P5_INTF_MODE_M 0x80 #define P5_INTF_DIS BIT(6) #define C_MDIO_BPS BIT(5) #define CHIP_MODE_S 0 #define CHIP_MODE_M 0x0f /* P5_INTF_SEL: Interface type of Port5 */ #define P5_INTF_SEL_GPHY 0 #define P5_INTF_SEL_GMAC5 1 /* P5_INTF_MODE: Interface mode of Port5 */ #define P5_INTF_MODE_GMII_MII 0 #define P5_INTF_MODE_RGMII 1 #define MT7530_P6ECR 0x7830 #define P6_INTF_MODE_M 0x3 #define P6_INTF_MODE_S 0 /* P6_INTF_MODE: Interface mode of Port6 */ #define P6_INTF_MODE_RGMII 0 #define P6_INTF_MODE_TRGMII 1 #define NUM_TRGMII_CTRL 5 #define MT7530_TRGMII_RD(n) (0x7a10 + (n) * 8) #define RD_TAP_S 0 #define RD_TAP_M 0x7f #define MT7530_TRGMII_TD_ODT(n) (0x7a54 + (n) * 8) /* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */ /* TOP Signals Status Register */ #define MT7531_TOP_SIG_SR 0x780c #define PAD_MCM_SMI_EN BIT(0) #define PAD_DUAL_SGMII_EN BIT(1) /* MT7531 PLLGP Registers */ #define MT7531_PLLGP_EN 0x7820 #define EN_COREPLL BIT(2) #define SW_CLKSW BIT(1) #define SW_PLLGP BIT(0) #define MT7531_PLLGP_CR0 0x78a8 #define RG_COREPLL_EN BIT(22) #define RG_COREPLL_POSDIV_S 23 #define RG_COREPLL_POSDIV_M 0x3800000 #define RG_COREPLL_SDM_PCW_S 1 #define RG_COREPLL_SDM_PCW_M 0x3ffffe #define RG_COREPLL_SDM_PCW_CHG BIT(0) /* MT7531 RGMII and SGMII PLL clock */ #define MT7531_ANA_PLLGP_CR2 0x78b0 #define MT7531_ANA_PLLGP_CR5 0x78bc /* MT7531 GPIO GROUP IOLB SMT0 Control */ #define MT7531_SMT0_IOLB 0x7f04 #define SMT_IOLB_5_SMI_MDC_EN BIT(5) /* MT7530 GPHY MDIO Indirect Access Registers */ #define MII_MMD_ACC_CTL_REG 0x0d #define MMD_CMD_S 14 #define MMD_CMD_M 0xc000 #define MMD_DEVAD_S 0 #define MMD_DEVAD_M 0x1f /* MMD_CMD: MMD commands */ #define MMD_ADDR 0 #define MMD_DATA 1 #define MMD_DATA_RW_POST_INC 2 #define MMD_DATA_W_POST_INC 3 #define MII_MMD_ADDR_DATA_REG 0x0e /* MT7530 GPHY MDIO MMD Registers */ #define CORE_PLL_GROUP2 0x401 #define RG_SYSPLL_EN_NORMAL BIT(15) #define RG_SYSPLL_VODEN BIT(14) #define RG_SYSPLL_POSDIV_S 5 #define RG_SYSPLL_POSDIV_M 0x60 #define CORE_PLL_GROUP4 0x403 #define MT7531_BYPASS_MODE BIT(4) #define MT7531_POWER_ON_OFF BIT(5) #define RG_SYSPLL_DDSFBK_EN BIT(12) #define RG_SYSPLL_BIAS_EN BIT(11) #define RG_SYSPLL_BIAS_LPF_EN BIT(10) #define CORE_PLL_GROUP5 0x404 #define RG_LCDDS_PCW_NCPO1_S 0 #define RG_LCDDS_PCW_NCPO1_M 0xffff #define CORE_PLL_GROUP6 0x405 #define RG_LCDDS_PCW_NCPO0_S 0 #define RG_LCDDS_PCW_NCPO0_M 0xffff #define CORE_PLL_GROUP7 0x406 #define RG_LCDDS_PWDB BIT(15) #define RG_LCDDS_ISO_EN BIT(13) #define RG_LCCDS_C_S 4 #define RG_LCCDS_C_M 0x70 #define RG_LCDDS_PCW_NCPO_CHG BIT(3) #define CORE_PLL_GROUP10 0x409 #define RG_LCDDS_SSC_DELTA_S 0 #define RG_LCDDS_SSC_DELTA_M 0xfff #define CORE_PLL_GROUP11 0x40a #define RG_LCDDS_SSC_DELTA1_S 0 #define RG_LCDDS_SSC_DELTA1_M 0xfff #define CORE_GSWPLL_GRP1 0x40d #define RG_GSWPLL_POSDIV_200M_S 12 #define RG_GSWPLL_POSDIV_200M_M 0x3000 #define RG_GSWPLL_EN_PRE BIT(11) #define RG_GSWPLL_FBKDIV_200M_S 0 #define RG_GSWPLL_FBKDIV_200M_M 0xff #define CORE_GSWPLL_GRP2 0x40e #define RG_GSWPLL_POSDIV_500M_S 8 #define RG_GSWPLL_POSDIV_500M_M 0x300 #define RG_GSWPLL_FBKDIV_500M_S 0 #define RG_GSWPLL_FBKDIV_500M_M 0xff #define CORE_TRGMII_GSW_CLK_CG 0x410 #define REG_GSWCK_EN BIT(0) #define REG_TRGMIICK_EN BIT(1) /* Extend PHY Control Register 3 */ #define PHY_EXT_REG_14 0x14 /* Fields of PHY_EXT_REG_14 */ #define PHY_EN_DOWN_SHFIT BIT(4) /* Extend PHY Control Register 4 */ #define PHY_EXT_REG_17 0x17 /* Fields of PHY_EXT_REG_17 */ #define PHY_LINKDOWN_POWER_SAVING_EN BIT(4) /* PHY RXADC Control Register 7 */ #define PHY_DEV1E_REG_0C6 0x0c6 /* Fields of PHY_DEV1E_REG_0C6 */ #define PHY_POWER_SAVING_S 8 #define PHY_POWER_SAVING_M 0x300 #define PHY_POWER_SAVING_TX 0x0 /* PDMA descriptors */ struct mtk_rx_dma { unsigned int rxd1; unsigned int rxd2; unsigned int rxd3; unsigned int rxd4; } __packed __aligned(4); struct mtk_rx_dma_v2 { unsigned int rxd1; unsigned int rxd2; unsigned int rxd3; unsigned int rxd4; unsigned int rxd5; unsigned int rxd6; unsigned int rxd7; unsigned int rxd8; } __packed __aligned(4); struct mtk_tx_dma { unsigned int txd1; unsigned int txd2; unsigned int txd3; unsigned int txd4; } __packed __aligned(4); struct mtk_tx_dma_v2 { unsigned int txd1; unsigned int txd2; unsigned int txd3; unsigned int txd4; unsigned int txd5; unsigned int txd6; unsigned int txd7; unsigned int txd8; } __packed __aligned(4); /* PDMA TXD fields */ #define PDMA_TXD2_DDONE BIT(31) #define PDMA_TXD2_LS0 BIT(30) #define PDMA_V1_TXD2_SDL0_M GENMASK(29, 16) #define PDMA_V1_TXD2_SDL0_SET(_v) FIELD_PREP(PDMA_V1_TXD2_SDL0_M, (_v)) #define PDMA_V2_TXD2_SDL0_M GENMASK(23, 8) #define PDMA_V2_TXD2_SDL0_SET(_v) FIELD_PREP(PDMA_V2_TXD2_SDL0_M, (_v)) #define PDMA_V1_TXD4_FPORT_M GENMASK(27, 25) #define PDMA_V1_TXD4_FPORT_SET(_v) FIELD_PREP(PDMA_V1_TXD4_FPORT_M, (_v)) #define PDMA_V2_TXD4_FPORT_M GENMASK(27, 24) #define PDMA_V2_TXD4_FPORT_SET(_v) FIELD_PREP(PDMA_V2_TXD4_FPORT_M, (_v)) #define PDMA_V2_TXD5_FPORT_M GENMASK(19, 16) #define PDMA_V2_TXD5_FPORT_SET(_v) FIELD_PREP(PDMA_V2_TXD5_FPORT_M, (_v)) /* PDMA RXD fields */ #define PDMA_RXD2_DDONE BIT(31) #define PDMA_RXD2_LS0 BIT(30) #define PDMA_V1_RXD2_PLEN0_M GENMASK(29, 16) #define PDMA_V1_RXD2_PLEN0_GET(_v) FIELD_GET(PDMA_V1_RXD2_PLEN0_M, (_v)) #define PDMA_V1_RXD2_PLEN0_SET(_v) FIELD_PREP(PDMA_V1_RXD2_PLEN0_M, (_v)) #define PDMA_V2_RXD2_PLEN0_M GENMASK(23, 8) #define PDMA_V2_RXD2_PLEN0_GET(_v) FIELD_GET(PDMA_V2_RXD2_PLEN0_M, (_v)) #define PDMA_V2_RXD2_PLEN0_SET(_v) FIELD_PREP(PDMA_V2_RXD2_PLEN0_M, (_v)) #endif /* _MTK_ETH_H_ */