linux/linux-5.18.11/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h

54 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2020, Intel Corporation
* DWMAC Intel header file
*/
#ifndef __DWMAC_INTEL_H__
#define __DWMAC_INTEL_H__
#define POLL_DELAY_US 8
/* SERDES Register */
#define SERDES_GCR 0x0 /* Global Conguration */
#define SERDES_GSR0 0x5 /* Global Status Reg0 */
#define SERDES_GCR0 0xb /* Global Configuration Reg0 */
/* SERDES defines */
#define SERDES_PLL_CLK BIT(0) /* PLL clk valid signal */
#define SERDES_PHY_RX_CLK BIT(1) /* PSE SGMII PHY rx clk */
#define SERDES_RST BIT(2) /* Serdes Reset */
#define SERDES_PWR_ST_MASK GENMASK(6, 4) /* Serdes Power state*/
#define SERDES_RATE_MASK GENMASK(9, 8)
#define SERDES_PCLK_MASK GENMASK(14, 12) /* PCLK rate to PHY */
#define SERDES_LINK_MODE_MASK GENMASK(2, 1)
#define SERDES_LINK_MODE_SHIFT 1
#define SERDES_PWR_ST_SHIFT 4
#define SERDES_PWR_ST_P0 0x0
#define SERDES_PWR_ST_P3 0x3
#define SERDES_LINK_MODE_2G5 0x3
#define SERSED_LINK_MODE_1G 0x2
#define SERDES_PCLK_37p5MHZ 0x0
#define SERDES_PCLK_70MHZ 0x1
#define SERDES_RATE_PCIE_GEN1 0x0
#define SERDES_RATE_PCIE_GEN2 0x1
#define SERDES_RATE_PCIE_SHIFT 8
#define SERDES_PCLK_SHIFT 12
#define INTEL_MGBE_ADHOC_ADDR 0x15
#define INTEL_MGBE_XPCS_ADDR 0x16
/* Cross-timestamping defines */
#define ART_CPUID_LEAF 0x15
#define EHL_PSE_ART_MHZ 19200000
/* Selection for PTP Clock Freq belongs to PSE & PCH GbE */
#define PSE_PTP_CLK_FREQ_MASK (GMAC_GPO0 | GMAC_GPO3)
#define PSE_PTP_CLK_FREQ_19_2MHZ (GMAC_GPO0)
#define PSE_PTP_CLK_FREQ_200MHZ (GMAC_GPO0 | GMAC_GPO3)
#define PSE_PTP_CLK_FREQ_256MHZ (0)
#define PCH_PTP_CLK_FREQ_MASK (GMAC_GPO0)
#define PCH_PTP_CLK_FREQ_19_2MHZ (GMAC_GPO0)
#define PCH_PTP_CLK_FREQ_200MHZ (0)
#endif /* __DWMAC_INTEL_H__ */