6  * Copyright (C) 2009-2016 Cavium, Inc.
14 #include "mdio-cavium.h"
21 	if (m == p->mode)  in cavium_mdiobus_set_mode()
24 	smi_clk.u64 = oct_mdio_readq(p->register_base + SMI_CLK);  in cavium_mdiobus_set_mode()
25 	smi_clk.s.mode = (m == C45) ? 1 : 0;  in cavium_mdiobus_set_mode()
27 	oct_mdio_writeq(smi_clk.u64, p->register_base + SMI_CLK);  in cavium_mdiobus_set_mode()
28 	p->mode = m;  in cavium_mdiobus_set_mode()
38 	cavium_mdiobus_set_mode(p, C45);  in cavium_mdiobus_c45_addr()
42 	oct_mdio_writeq(smi_wr.u64, p->register_base + SMI_WR_DAT);  in cavium_mdiobus_c45_addr()
50 	oct_mdio_writeq(smi_cmd.u64, p->register_base + SMI_CMD);  in cavium_mdiobus_c45_addr()
57 		smi_wr.u64 = oct_mdio_readq(p->register_base + SMI_WR_DAT);  in cavium_mdiobus_c45_addr()
58 	} while (smi_wr.s.pending && --timeout);  in cavium_mdiobus_c45_addr()
61 		return -EIO;  in cavium_mdiobus_c45_addr()
67 	struct cavium_mdiobus *p = bus->priv;  in cavium_mdiobus_read()
80 		op = 3; /* MDIO_CLAUSE_45_READ */  in cavium_mdiobus_read()
89 	oct_mdio_writeq(smi_cmd.u64, p->register_base + SMI_CMD);  in cavium_mdiobus_read()
96 		smi_rd.u64 = oct_mdio_readq(p->register_base + SMI_RD_DAT);  in cavium_mdiobus_read()
97 	} while (smi_rd.s.pending && --timeout);  in cavium_mdiobus_read()
102 		return -EIO;  in cavium_mdiobus_read()
108 	struct cavium_mdiobus *p = bus->priv;  in cavium_mdiobus_write()
128 	oct_mdio_writeq(smi_wr.u64, p->register_base + SMI_WR_DAT);  in cavium_mdiobus_write()
134 	oct_mdio_writeq(smi_cmd.u64, p->register_base + SMI_CMD);  in cavium_mdiobus_write()
141 		smi_wr.u64 = oct_mdio_readq(p->register_base + SMI_WR_DAT);  in cavium_mdiobus_write()
142 	} while (smi_wr.s.pending && --timeout);  in cavium_mdiobus_write()
145 		return -EIO;  in cavium_mdiobus_write()