1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2011-2012 Stefan Bethke.
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 arswitch_split_setpage(device_t dev, uint32_t addr, uint16_t *phy,  in arswitch_split_setpage()  argument
71 	page = (addr >> 9) & 0x1ff;  in arswitch_split_setpage()
72 	*phy = (addr >> 6) & 0x7;  in arswitch_split_setpage()
73 	*reg = (addr >> 1) & 0x1f;  in arswitch_split_setpage()
75 	if (sc->page != page) {  in arswitch_split_setpage()
78 		sc->page = page;  in arswitch_split_setpage()
84  * the sequence of half-word accesses matters.  The register addresses
85  * are word-even (mod 4).
88 arswitch_readreg16(device_t dev, int addr)  in arswitch_readreg16()  argument
92 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_readreg16()
100 arswitch_writereg16(device_t dev, int addr, int data)  in arswitch_writereg16()  argument
104 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_writereg16()
105 	return (MDIO_WRITEREG(device_get_parent(dev), 0x10 | phy, reg, data));  in arswitch_writereg16()
149 	if (sc->mii_lo_first) {  in arswitch_reg_write32()
165 arswitch_readreg(device_t dev, int addr)  in arswitch_readreg()  argument
169 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_readreg()
174 arswitch_writereg(device_t dev, int addr, int value)  in arswitch_writereg()  argument
178 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_writereg()
186  * data versus control space) and so need to be treated
190 arswitch_readreg_lsb(device_t dev, int addr)  in arswitch_readreg_lsb()  argument
193 	return (arswitch_readreg16(dev, addr));  in arswitch_readreg_lsb()
197 arswitch_readreg_msb(device_t dev, int addr)  in arswitch_readreg_msb()  argument
200 	return (arswitch_readreg16(dev, addr + 2) << 16);  in arswitch_readreg_msb()
204 arswitch_writereg_lsb(device_t dev, int addr, int data)  in arswitch_writereg_lsb()  argument
207 	return (arswitch_writereg16(dev, addr, data & 0xffff));  in arswitch_writereg_lsb()
211 arswitch_writereg_msb(device_t dev, int addr, int data)  in arswitch_writereg_msb()  argument
214 	return (arswitch_writereg16(dev, addr + 2, (data >> 16) & 0xffff));  in arswitch_writereg_msb()
218 arswitch_modifyreg(device_t dev, int addr, int mask, int set)  in arswitch_modifyreg()  argument
226 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_modifyreg()
235 arswitch_waitreg(device_t dev, int addr, int mask, int val, int timeout)  in arswitch_waitreg()  argument
243 	arswitch_split_setpage(dev, addr, &phy, &reg);  in arswitch_waitreg()
245 	err = -1;  in arswitch_waitreg()
256 		timeout--;  in arswitch_waitreg()
260 		    "%s: waitreg failed; addr=0x%08x, mask=0x%08x, val=0x%08x\n",  in arswitch_waitreg()
261 		    __func__, addr, mask, val);  in arswitch_waitreg()