1 // SPDX-License-Identifier: GPL-2.0
7  *		Sandeep Paulraj <s-paulraj@ti.com>
8  *		Wingman Kwok <w-kwok2@ti.com>
22 #define SGMII23_OFFSET(x)	((x - 2) * 0x100)
31 static void sgmii_write_reg(void __iomem *base, int reg, u32 val)  in sgmii_write_reg()  argument
33 	writel(val, base + reg);  in sgmii_write_reg()
36 static u32 sgmii_read_reg(void __iomem *base, int reg)  in sgmii_read_reg()  argument
38 	return readl(base + reg);  in sgmii_read_reg()
41 static void sgmii_write_reg_bit(void __iomem *base, int reg, u32 val)  in sgmii_write_reg_bit()  argument
43 	writel((readl(base + reg) | val), base + reg);  in sgmii_write_reg_bit()
46 /* port is 0 based */
47 int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port)  in netcp_sgmii_reset()  argument
50 	sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port),  in netcp_sgmii_reset()
53 	while ((sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) &  in netcp_sgmii_reset()
60 /* port is 0 based */
61 bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set)  in netcp_sgmii_rtreset()  argument
67 	reg = sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port));  in netcp_sgmii_rtreset()
73 	sgmii_write_reg(sgmii_ofs, SGMII_SRESET_REG(port), reg);  in netcp_sgmii_rtreset()
79 int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port)  in netcp_sgmii_get_port_link()  argument
83 	status = sgmii_read_reg(sgmii_ofs, SGMII_STATUS_REG(port));  in netcp_sgmii_get_port_link()
89 int netcp_sgmii_config(void __iomem *sgmii_ofs, int port, u32 interface)  in netcp_sgmii_config()  argument
119 		return -EINVAL;  in netcp_sgmii_config()
122 	sgmii_write_reg(sgmii_ofs, SGMII_CTL_REG(port), 0);  in netcp_sgmii_config()
127 		status = sgmii_read_reg(sgmii_ofs, SGMII_STATUS_REG(port));  in netcp_sgmii_config()
135 	sgmii_write_reg(sgmii_ofs, SGMII_MRADV_REG(port), mr_adv_ability);  in netcp_sgmii_config()
136 	sgmii_write_reg(sgmii_ofs, SGMII_CTL_REG(port), control);  in netcp_sgmii_config()
144 		status = sgmii_read_reg(sgmii_ofs, SGMII_STATUS_REG(port));  in netcp_sgmii_config()