1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
50 #define PLL_IPSETI(x)				((x) & 0x3f)  argument
52 #define PLL_CPSETI(x)				((x) & 0xff)  argument
54 #define PLL_IPSETP(x)				((x) & 0x3f)  argument
56 #define PLL_CPSETP(x)				((x) & 0x1f)  argument
58 #define PLL_RCTRL(x)				(((x) & 0xf) << 4)  argument
59 #define PLL_CCTRL(x)				((x) & 0xf)  argument
61 #define LANE_MODE(x)				((x) & 0x1f)  argument
64 #define SYSCLK_AC_COUPLE			BIT(3)
70 #define SYSCLK_SEL_CMOS				BIT(3)
77 #define DEC_START1(x)				((x) & 0x7f)  argument
80 #define DIV_FRAC_START(x)			((x) & 0x7f)  argument
83 #define DIV_FRAC_START3(x)			((x) & 0xf)  argument
91 #define TX_EMP_POST1_LVL(x)			((x) & 0x1f)  argument
94 #define TX_DRV_LVL(x)				((x) & 0xf)  argument
100 #define FIRSTORDER_THRESH(x)			(((x) & 0x7) << 3)  argument
101 #define SECONDORDERGAIN(x)			((x) & 0x7)  argument
103 #define RX_EQ_GAIN2(x)				(((x) & 0xf) << 4)  argument
104 #define RX_EQ_GAIN1(x)				((x) & 0xf)  argument
111 #define CLKBUF_L_EN				BIT(3)
116 #define L0_RX_TERM_MODE(x)			(((x) & 3) << 4)  argument
125 #define L0_DRV_LVL(x)				((x) & 0xf)  argument
128 #define CDR_MAX_CNT(x)				((x) & 0xff)  argument
130 #define PLLLOCK_CMP(x)				((x) & 0xff)  argument
139 static void emac_reg_write_all(void __iomem *base,  in emac_reg_write_all()  argument
145 		writel(itr->val, base + itr->offset);  in emac_reg_write_all()
182 		DIV_FRAC_START3_MUX | DIV_FRAC_START3(3)},
192 		SECONDORDERENABLE | FIRSTORDER_THRESH(3) | SECONDORDERGAIN(2)},
194 		SECONDORDERENABLE | FIRSTORDER_THRESH(3) | SECONDORDERGAIN(4)},
209 	struct emac_sgmii *phy = &adpt->phy;  in emac_sgmii_init_fsm9900()
212 	emac_reg_write_all(phy->base, physical_coding_sublayer_programming,  in emac_sgmii_init_fsm9900()
214 	emac_reg_write_all(phy->base, sysclk_refclk_setting,  in emac_sgmii_init_fsm9900()
216 	emac_reg_write_all(phy->base, pll_setting, ARRAY_SIZE(pll_setting));  in emac_sgmii_init_fsm9900()
217 	emac_reg_write_all(phy->base, cdr_setting, ARRAY_SIZE(cdr_setting));  in emac_sgmii_init_fsm9900()
218 	emac_reg_write_all(phy->base, tx_rx_setting, ARRAY_SIZE(tx_rx_setting));  in emac_sgmii_init_fsm9900()
221 	writel(SERDES_START, phy->base + EMAC_SGMII_PHY_SERDES_START);  in emac_sgmii_init_fsm9900()
224 		if (readl(phy->base + EMAC_QSERDES_COM_RESET_SM) & READY)  in emac_sgmii_init_fsm9900()
230 		netdev_err(adpt->netdev, "error: ser/des failed to start\n");  in emac_sgmii_init_fsm9900()
231 		return -EIO;  in emac_sgmii_init_fsm9900()
234 	writel(0, phy->base + EMAC_SGMII_PHY_INTERRUPT_MASK);  in emac_sgmii_init_fsm9900()