From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/phy/microchip/sparx5_serdes.h | 136 ++++++++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 drivers/phy/microchip/sparx5_serdes.h (limited to 'drivers/phy/microchip/sparx5_serdes.h') diff --git a/drivers/phy/microchip/sparx5_serdes.h b/drivers/phy/microchip/sparx5_serdes.h new file mode 100644 index 000000000..0a3e496e6 --- /dev/null +++ b/drivers/phy/microchip/sparx5_serdes.h @@ -0,0 +1,136 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * Microchip Sparx5 SerDes driver + * + * Copyright (c) 2020 Microchip Technology Inc. + */ + +#ifndef _SPARX5_SERDES_H_ +#define _SPARX5_SERDES_H_ + +#include "sparx5_serdes_regs.h" + +#define SPX5_SERDES_MAX 33 + +enum sparx5_serdes_type { + SPX5_SDT_6G = 6, + SPX5_SDT_10G = 10, + SPX5_SDT_25G = 25, +}; + +enum sparx5_serdes_mode { + SPX5_SD_MODE_NONE, + SPX5_SD_MODE_2G5, + SPX5_SD_MODE_QSGMII, + SPX5_SD_MODE_100FX, + SPX5_SD_MODE_1000BASEX, + SPX5_SD_MODE_SFI, +}; + +struct sparx5_serdes_private { + struct device *dev; + void __iomem *regs[NUM_TARGETS]; + struct phy *phys[SPX5_SERDES_MAX]; + bool cmu_enabled; + unsigned long coreclock; +}; + +struct sparx5_serdes_macro { + struct sparx5_serdes_private *priv; + u32 sidx; + u32 stpidx; + enum sparx5_serdes_type serdestype; + enum sparx5_serdes_mode serdesmode; + phy_interface_t portmode; + int speed; + enum phy_media media; +}; + +/* Read, Write and modify registers content. + * The register definition macros start at the id + */ +static inline void __iomem *sdx5_addr(void __iomem *base[], + int id, int tinst, int tcnt, + int gbase, int ginst, + int gcnt, int gwidth, + int raddr, int rinst, + int rcnt, int rwidth) +{ + WARN_ON((tinst) >= tcnt); + WARN_ON((ginst) >= gcnt); + WARN_ON((rinst) >= rcnt); + return base[id + (tinst)] + + gbase + ((ginst) * gwidth) + + raddr + ((rinst) * rwidth); +} + +static inline void __iomem *sdx5_inst_baseaddr(void __iomem *base, + int gbase, int ginst, + int gcnt, int gwidth, + int raddr, int rinst, + int rcnt, int rwidth) +{ + WARN_ON((ginst) >= gcnt); + WARN_ON((rinst) >= rcnt); + return base + + gbase + ((ginst) * gwidth) + + raddr + ((rinst) * rwidth); +} + +static inline void sdx5_rmw(u32 val, u32 mask, struct sparx5_serdes_private *priv, + int id, int tinst, int tcnt, + int gbase, int ginst, int gcnt, int gwidth, + int raddr, int rinst, int rcnt, int rwidth) +{ + u32 nval; + void __iomem *addr = + sdx5_addr(priv->regs, id, tinst, tcnt, + gbase, ginst, gcnt, gwidth, + raddr, rinst, rcnt, rwidth); + nval = readl(addr); + nval = (nval & ~mask) | (val & mask); + writel(nval, addr); +} + +static inline void sdx5_inst_rmw(u32 val, u32 mask, void __iomem *iomem, + int id, int tinst, int tcnt, + int gbase, int ginst, int gcnt, int gwidth, + int raddr, int rinst, int rcnt, int rwidth) +{ + u32 nval; + void __iomem *addr = + sdx5_inst_baseaddr(iomem, + gbase, ginst, gcnt, gwidth, + raddr, rinst, rcnt, rwidth); + nval = readl(addr); + nval = (nval & ~mask) | (val & mask); + writel(nval, addr); +} + +static inline void sdx5_rmw_addr(u32 val, u32 mask, void __iomem *addr) +{ + u32 nval; + + nval = readl(addr); + nval = (nval & ~mask) | (val & mask); + writel(nval, addr); +} + +static inline void __iomem *sdx5_inst_get(struct sparx5_serdes_private *priv, + int id, int tinst) +{ + return priv->regs[id + tinst]; +} + +static inline void __iomem *sdx5_inst_addr(void __iomem *iomem, + int id, int tinst, int tcnt, + int gbase, + int ginst, int gcnt, int gwidth, + int raddr, + int rinst, int rcnt, int rwidth) +{ + return sdx5_inst_baseaddr(iomem, gbase, ginst, gcnt, gwidth, + raddr, rinst, rcnt, rwidth); +} + + +#endif /* _SPARX5_SERDES_REGS_H_ */ -- cgit v1.2.3