| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2018 |
| * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc |
| */ |
| |
| /** |
| * enum srdscr0_mask - Bit masks for SRDSCR0 (SerDes Control Register 0) |
| * @SRDSCR0_DPPA: Bitmask for the DPPA (diff pk-pk swing for lane A) |
| * field of the SRCSCR0 |
| * @SRDSCR0_DPPE: Bitmask for the DPPE (diff pk-pk swing for lane E) |
| * field of the SRCSCR0 |
| * @SRDSCR0_DPP_1V2: Combined bitmask to set diff pk-pk swing for both lanes |
| * @SRDSCR0_TXEQA_MASK: Bitmask for the TXEQA (transmit equalization for |
| * lane A) field of the SRCSCR0 |
| * @SRDSCR0_TXEQA_SATA: Bitmask to set the TXEQA to the value used for SATA |
| * @SRDSCR0_TXEQE_MASK: Bitmask for the TXEQE (transmit equalization for |
| * lane E) field of the SRCSCR0 |
| * @SRDSCR0_TXEQE_SATA: Bitmask to set the TXEQE to the value used for SATA |
| */ |
| #include <linux/bitops.h> |
| enum srdscr0_mask { |
| SRDSCR0_DPPA = BIT(31 - 16), |
| SRDSCR0_DPPE = BIT(31 - 20), |
| SRDSCR0_DPP_1V2 = SRDSCR0_DPPE | SRDSCR0_DPPA, |
| |
| SRDSCR0_TXEQA_MASK = 0x00007000, |
| SRDSCR0_TXEQA_SATA = 0x00001000, |
| SRDSCR0_TXEQE_MASK = 0x00000700, |
| SRDSCR0_TXEQE_SATA = 0x00000100, |
| }; |
| |
| /** |
| * enum srdscr1_mask - Bit masks for SRDSCR1 (SerDes Control Register 1) |
| * @SRDSCR1_PLLBW: Bitmask for the PLLBW (PLL bandwidth) field of SRDSCR1 |
| */ |
| enum srdscr1_mask { |
| SRDSCR1_PLLBW = BIT(31 - 25), |
| }; |
| |
| /** |
| * enum srdscr2_mask - Bit masks for SRDSCR2 (SerDes Control Register 2) |
| * @SRDSCR2_VDD_1V2: Bit mask to to set the VDD field of the SCRSCR2 |
| * @SRDSCR2_SEICA_MASK: Bitmask for the SEICA (Receiver electrical idle |
| * detection control for lane A) field of the SRCSCR2 |
| * @SRDSCR2_SEICE_MASK: Bitmask for the SEICE (Receiver electrical idle |
| * detection control for lane E) field of the SRCSCR2 |
| * @SRDSCR2_SEIC_MASK: Combined bitmask to set the receiver electrical idle |
| * detection control for both lanes |
| * @SRDSCR2_SEICA_SATA: Bitmask to set the SEICA field to the value used for |
| * SATA |
| * @SRDSCR2_SEICE_SATA: Bitmask to set the SEICE field to the value used for |
| * SATA |
| * @SRDSCR2_SEIC_SATA: Combined bitmask to set the value of both SEIC fields |
| * to the value used for SATA |
| * @SRDSCR2_SEICA_PEX: Bitmask to set the SEICA field to the value used for |
| * PCI Express |
| * @SRDSCR2_SEICE_PEX: Bitmask to set the SEICE field to the value used for |
| * PCI Express |
| * @SRDSCR2_SEIC_PEX: Combined bitmask to set the value of both SEIC fields |
| * to the value used for PCI Express |
| * @SRDSCR2_SEICA_SGMII: Bitmask to set the SEICA field to the value used for |
| * SGMII |
| * @SRDSCR2_SEICE_SGMII: Bitmask to set the SEICE field to the value used for |
| * SGMII |
| * @SRDSCR2_SEIC_SGMII: Combined bitmask to set the value of both SEIC fields |
| * to the value used for SGMII |
| */ |
| enum srdscr2_mask { |
| SRDSCR2_VDD_1V2 = 0x00800000, |
| |
| SRDSCR2_SEICA_MASK = 0x00001c00, |
| SRDSCR2_SEICE_MASK = 0x0000001c, |
| SRDSCR2_SEIC_MASK = SRDSCR2_SEICA_MASK | SRDSCR2_SEICE_MASK, |
| |
| SRDSCR2_SEICA_SATA = 0x00001400, |
| SRDSCR2_SEICE_SATA = 0x00000014, |
| SRDSCR2_SEIC_SATA = SRDSCR2_SEICA_SATA | SRDSCR2_SEICE_SATA, |
| |
| SRDSCR2_SEICA_PEX = 0x00001000, |
| SRDSCR2_SEICE_PEX = 0x00000010, |
| SRDSCR2_SEIC_PEX = SRDSCR2_SEICA_PEX | SRDSCR2_SEICE_PEX, |
| |
| SRDSCR2_SEICA_SGMII = 0x00000100, |
| SRDSCR2_SEICE_SGMII = 0x00000001, |
| SRDSCR2_SEIC_SGMII = SRDSCR2_SEICA_SGMII | SRDSCR2_SEICE_SGMII, |
| }; |
| |
| /** |
| * enum srdscr3_mask - Bit masks for SRDSCR3 (SerDes Control Register 3) |
| * @SRDSCR3_KFRA_SATA: Bitmask to set the KFRA field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_KFRE_SATA: Bitmask to set the KFRE field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_KFR_SATA: Combined bitmask to set both KFR fields to the |
| * value used by SATA |
| * @SRDSCR3_KPHA_SATA: Bitmask to set the KPHA field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_KPHE_SATA: Bitmask to set the KPHE field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_KPH_SATA: Combined bitmask to set both KPH fields to the |
| * value used by SATA |
| * @SRDSCR3_SDFMA_SATA_PEX: Bitmask to set the SDFMA field of SRDSCR3 to the |
| * value used by SATA and PCI Express |
| * @SRDSCR3_SDFME_SATA_PEX: Bitmask to set the SDFME field of SRDSCR3 to the |
| * value used by SATA and PCI Express |
| * @SRDSCR3_SDFM_SATA_PEX: Combined bitmask to set both SDFM fields to the |
| * value used by SATA and PCI Express |
| * @SRDSCR3_SDTXLA_SATA: Bitmask to set the SDTXLA field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_SDTXLE_SATA: Bitmask to set the SDTXLE field of SRDSCR3 to the |
| * value used by SATA |
| * @SRDSCR3_SDTXL_SATA: Combined bitmask to set both SDTXL fields to the |
| * value used by SATA |
| * |
| * KFRA = 'Kfr' gain selection in the CDR for lane A |
| * KFRE = 'Kfr' gain selection in the CDR for lane E |
| * SDFMA = Bandwidth of digital filter for lane A |
| * SDFME = Bandwidth of digital filter for lane E |
| * SDTXLA = Lane A transmitter amplitude levels |
| * SDTXLE = Lane E transmitter amplitude levels |
| */ |
| enum srdscr3_mask { |
| SRDSCR3_KFRA_SATA = 0x10000000, |
| SRDSCR3_KFRE_SATA = 0x00100000, |
| SRDSCR3_KFR_SATA = SRDSCR3_KFRA_SATA | SRDSCR3_KFRE_SATA, |
| |
| SRDSCR3_KPHA_SATA = 0x04000000, |
| SRDSCR3_KPHE_SATA = 0x00040000, |
| SRDSCR3_KPH_SATA = SRDSCR3_KPHA_SATA | SRDSCR3_KPHE_SATA, |
| |
| SRDSCR3_SDFMA_SATA_PEX = 0x01000000, |
| SRDSCR3_SDFME_SATA_PEX = 0x00010000, |
| SRDSCR3_SDFM_SATA_PEX = SRDSCR3_SDFMA_SATA_PEX | SRDSCR3_SDFME_SATA_PEX, |
| |
| SRDSCR3_SDTXLA_SATA = 0x00000500, |
| SRDSCR3_SDTXLE_SATA = 0x00000005, |
| SRDSCR3_SDTXL_SATA = SRDSCR3_SDTXLA_SATA | SRDSCR3_SDTXLE_SATA, |
| }; |
| |
| /** |
| * enum srdscr4_mask - Bit masks for SRDSCR4 (SerDes Control Register 4) |
| * @SRDSCR4_PROTA_SATA: Bitmask to set the PROTA field of SRDSCR4 to the |
| * value used by SATA |
| * @SRDSCR4_PROTE_SATA: Bitmask to set the PROTE field of SRDSCR4 to the |
| * value used by SATA |
| * @SRDSCR4_PROT_SATA: Combined bitmask to set both PROT fields to the |
| * value used by SATA |
| * @SRDSCR4_PROTA_PEX: Bitmask to set the PROTA field of SRDSCR4 to the |
| * value used by PCI Express |
| * @SRDSCR4_PROTE_PEX: Bitmask to set the PROTE field of SRDSCR4 to the |
| * value used by PCI Express |
| * @SRDSCR4_PROT_PEX: Combined bitmask to set both PROT fields to the |
| * value used by PCI Express |
| * @SRDSCR4_PROTA_SGMII: Bitmask to set the PROTA field of SRDSCR4 to the |
| * value used by SGMII |
| * @SRDSCR4_PROTE_SGMII: Bitmask to set the PROTE field of SRDSCR4 to the |
| * value used by SGMII |
| * @SRDSCR4_PROT_SGMII: Combined bitmask to set both PROT fields to the |
| * value used by SGMII |
| * @SRDSCR4_PLANE_X2: Bitmask to set the PLANE field of SRDSCR4 |
| * @SRDSCR4_RFCKS_100: Bitmask to set the RFCKS field of SRDSCR4 to the |
| * value 100Mhz |
| * @SRDSCR4_RFCKS_125: Bitmask to set the RFCKS field of SRDSCR4 to the |
| * value 125Mhz |
| * @SRDSCR4_RFCKS_150: Bitmask to set the RFCKS field of SRDSCR4 to the |
| * value 150Mhz |
| * |
| * PROTA = Lane A protocol select |
| * PROTE = Lane E protocol select |
| * PLAME = Number of PCI Express lanes |
| */ |
| enum srdscr4_mask { |
| SRDSCR4_PROTA_SATA = 0x00000800, |
| SRDSCR4_PROTE_SATA = 0x00000008, |
| SRDSCR4_PROT_SATA = SRDSCR4_PROTA_SATA | SRDSCR4_PROTE_SATA, |
| |
| SRDSCR4_PROTA_PEX = 0x00000100, |
| SRDSCR4_PROTE_PEX = 0x00000001, |
| SRDSCR4_PROT_PEX = SRDSCR4_PROTA_PEX | SRDSCR4_PROTE_PEX, |
| |
| SRDSCR4_PROTA_SGMII = 0x00000500, |
| SRDSCR4_PROTE_SGMII = 0x00000005, |
| SRDSCR4_PROT_SGMII = SRDSCR4_PROTA_SGMII | SRDSCR4_PROTE_SGMII, |
| |
| SRDSCR4_PLANE_X2 = 0x01000000, |
| |
| SRDSCR4_RFCKS_100 = (0 << 28), |
| SRDSCR4_RFCKS_125 = (1 << 28), |
| SRDSCR4_RFCKS_150 = (3 << 28), |
| }; |
| |
| /** |
| * enum srdsrstctl_mask - Bit masks for SRDSRSTCTL (SerDes Reset Control Register) |
| * @SRDSRSTCTL_RST: Bitmask for the RST (Software reset) field of the |
| * SRDSRSTCTL |
| * @SRDSRSTCTL_SATA_RESET: Bitmask for the SATA_RESET (SATA reset) field of the |
| * SRDSRSTCTL |
| */ |
| enum srdsrstctl_mask { |
| SRDSRSTCTL_RST = 0x80000000, |
| SRDSRSTCTL_SATA_RESET = 0xf, |
| }; |
| |
| /** |
| * struct mpc83xx_serdes_regs - Register map of the SerDes controller |
| * @srdscr0: SerDes Control Register 0 |
| * @srdscr1: SerDes Control Register 1 |
| * @srdscr2: SerDes Control Register 2 |
| * @srdscr3: SerDes Control Register 3 |
| * @srdscr4: SerDes Control Register 4 |
| * @fill0: Reserved space in the register map |
| * @srdsrstctl: SerDes Reset Control Register |
| */ |
| struct mpc83xx_serdes_regs { |
| u32 srdscr0; |
| u32 srdscr1; |
| u32 srdscr2; |
| u32 srdscr3; |
| u32 srdscr4; |
| u8 fill0[12]; |
| u32 srdsrstctl; |
| }; |
| |
| /** |
| * enum pex_type - Types of PCI Express |
| * @PEX_X1: PCI Express in x1 mode |
| * @PEX_X2: PCI Express in x2 mode |
| */ |
| enum pex_type { |
| PEX_X1, |
| PEX_X2, |
| }; |