| /* |
| * Copyright (C) 2008 Freescale Semicondutor, Inc. |
| * Dave Liu <daveliu@freescale.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| |
| #include <config.h> |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/immap_85xx.h> |
| |
| /* PORDEVSR register */ |
| #define GUTS_PORDEVSR_OFFS 0xc |
| #define GUTS_PORDEVSR_SERDES2_IO_SEL 0x38000000 |
| #define GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT 27 |
| |
| /* SerDes CR0 register */ |
| #define FSL_SRDSCR0_OFFS 0x0 |
| #define FSL_SRDSCR0_TXEQA_MASK 0x00007000 |
| #define FSL_SRDSCR0_TXEQA_SGMII 0x00004000 |
| #define FSL_SRDSCR0_TXEQA_SATA 0x00001000 |
| #define FSL_SRDSCR0_TXEQE_MASK 0x00000700 |
| #define FSL_SRDSCR0_TXEQE_SGMII 0x00000400 |
| #define FSL_SRDSCR0_TXEQE_SATA 0x00000100 |
| |
| /* SerDes CR1 register */ |
| #define FSL_SRDSCR1_OFFS 0x4 |
| #define FSL_SRDSCR1_LANEA_MASK 0x80200000 |
| #define FSL_SRDSCR1_LANEA_OFF 0x80200000 |
| #define FSL_SRDSCR1_LANEE_MASK 0x08020000 |
| #define FSL_SRDSCR1_LANEE_OFF 0x08020000 |
| |
| /* SerDes CR2 register */ |
| #define FSL_SRDSCR2_OFFS 0x8 |
| #define FSL_SRDSCR2_EICA_MASK 0x00001f00 |
| #define FSL_SRDSCR2_EICA_SGMII 0x00000400 |
| #define FSL_SRDSCR2_EICA_SATA 0x00001400 |
| #define FSL_SRDSCR2_EICE_MASK 0x0000001f |
| #define FSL_SRDSCR2_EICE_SGMII 0x00000004 |
| #define FSL_SRDSCR2_EICE_SATA 0x00000014 |
| |
| /* SerDes CR3 register */ |
| #define FSL_SRDSCR3_OFFS 0xc |
| #define FSL_SRDSCR3_LANEA_MASK 0x3f000700 |
| #define FSL_SRDSCR3_LANEA_SGMII 0x00000000 |
| #define FSL_SRDSCR3_LANEA_SATA 0x15000500 |
| #define FSL_SRDSCR3_LANEE_MASK 0x003f0007 |
| #define FSL_SRDSCR3_LANEE_SGMII 0x00000000 |
| #define FSL_SRDSCR3_LANEE_SATA 0x00150005 |
| |
| void fsl_serdes_init(void) |
| { |
| void *guts = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| void *sd = (void *)CONFIG_SYS_MPC85xx_SERDES2_ADDR; |
| u32 pordevsr = in_be32(guts + GUTS_PORDEVSR_OFFS); |
| u32 srds2_io_sel; |
| u32 tmp; |
| |
| /* parse the SRDS2_IO_SEL of PORDEVSR */ |
| srds2_io_sel = (pordevsr & GUTS_PORDEVSR_SERDES2_IO_SEL) |
| >> GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT; |
| |
| switch (srds2_io_sel) { |
| case 1: /* Lane A - SATA1, Lane E - SATA2 */ |
| /* CR 0 */ |
| tmp = in_be32(sd + FSL_SRDSCR0_OFFS); |
| tmp &= ~FSL_SRDSCR0_TXEQA_MASK; |
| tmp |= FSL_SRDSCR0_TXEQA_SATA; |
| tmp &= ~FSL_SRDSCR0_TXEQE_MASK; |
| tmp |= FSL_SRDSCR0_TXEQE_SATA; |
| out_be32(sd + FSL_SRDSCR0_OFFS, tmp); |
| /* CR 1 */ |
| tmp = in_be32(sd + FSL_SRDSCR1_OFFS); |
| tmp &= ~FSL_SRDSCR1_LANEA_MASK; |
| tmp &= ~FSL_SRDSCR1_LANEE_MASK; |
| out_be32(sd + FSL_SRDSCR1_OFFS, tmp); |
| /* CR 2 */ |
| tmp = in_be32(sd + FSL_SRDSCR2_OFFS); |
| tmp &= ~FSL_SRDSCR2_EICA_MASK; |
| tmp |= FSL_SRDSCR2_EICA_SATA; |
| tmp &= ~FSL_SRDSCR2_EICE_MASK; |
| tmp |= FSL_SRDSCR2_EICE_SATA; |
| out_be32(sd + FSL_SRDSCR2_OFFS, tmp); |
| /* CR 3 */ |
| tmp = in_be32(sd + FSL_SRDSCR3_OFFS); |
| tmp &= ~FSL_SRDSCR3_LANEA_MASK; |
| tmp |= FSL_SRDSCR3_LANEA_SATA; |
| tmp &= ~FSL_SRDSCR3_LANEE_MASK; |
| tmp |= FSL_SRDSCR3_LANEE_SATA; |
| out_be32(sd + FSL_SRDSCR3_OFFS, tmp); |
| break; |
| case 3: /* Lane A - SATA1, Lane E - disabled */ |
| /* CR 0 */ |
| tmp = in_be32(sd + FSL_SRDSCR0_OFFS); |
| tmp &= ~FSL_SRDSCR0_TXEQA_MASK; |
| tmp |= FSL_SRDSCR0_TXEQA_SATA; |
| out_be32(sd + FSL_SRDSCR0_OFFS, tmp); |
| /* CR 1 */ |
| tmp = in_be32(sd + FSL_SRDSCR1_OFFS); |
| tmp &= ~FSL_SRDSCR1_LANEE_MASK; |
| tmp |= FSL_SRDSCR1_LANEE_OFF; |
| out_be32(sd + FSL_SRDSCR1_OFFS, tmp); |
| /* CR 2 */ |
| tmp = in_be32(sd + FSL_SRDSCR2_OFFS); |
| tmp &= ~FSL_SRDSCR2_EICA_MASK; |
| tmp |= FSL_SRDSCR2_EICA_SATA; |
| out_be32(sd + FSL_SRDSCR2_OFFS, tmp); |
| /* CR 3 */ |
| tmp = in_be32(sd + FSL_SRDSCR3_OFFS); |
| tmp &= ~FSL_SRDSCR3_LANEA_MASK; |
| tmp |= FSL_SRDSCR3_LANEA_SATA; |
| out_be32(sd + FSL_SRDSCR3_OFFS, tmp); |
| break; |
| case 4: /* Lane A - eTSEC1 SGMII, Lane E - eTSEC3 SGMII */ |
| /* CR 0 */ |
| tmp = in_be32(sd + FSL_SRDSCR0_OFFS); |
| tmp &= ~FSL_SRDSCR0_TXEQA_MASK; |
| tmp |= FSL_SRDSCR0_TXEQA_SGMII; |
| tmp &= ~FSL_SRDSCR0_TXEQE_MASK; |
| tmp |= FSL_SRDSCR0_TXEQE_SGMII; |
| out_be32(sd + FSL_SRDSCR0_OFFS, tmp); |
| /* CR 1 */ |
| tmp = in_be32(sd + FSL_SRDSCR1_OFFS); |
| tmp &= ~FSL_SRDSCR1_LANEA_MASK; |
| tmp &= ~FSL_SRDSCR1_LANEE_MASK; |
| out_be32(sd + FSL_SRDSCR1_OFFS, tmp); |
| /* CR 2 */ |
| tmp = in_be32(sd + FSL_SRDSCR2_OFFS); |
| tmp &= ~FSL_SRDSCR2_EICA_MASK; |
| tmp |= FSL_SRDSCR2_EICA_SGMII; |
| tmp &= ~FSL_SRDSCR2_EICE_MASK; |
| tmp |= FSL_SRDSCR2_EICE_SGMII; |
| out_be32(sd + FSL_SRDSCR2_OFFS, tmp); |
| /* CR 3 */ |
| tmp = in_be32(sd + FSL_SRDSCR3_OFFS); |
| tmp &= ~FSL_SRDSCR3_LANEA_MASK; |
| tmp |= FSL_SRDSCR3_LANEA_SGMII; |
| tmp &= ~FSL_SRDSCR3_LANEE_MASK; |
| tmp |= FSL_SRDSCR3_LANEE_SGMII; |
| out_be32(sd + FSL_SRDSCR3_OFFS, tmp); |
| break; |
| case 6: /* Lane A - eTSEC1 SGMII, Lane E - disabled */ |
| /* CR 0 */ |
| tmp = in_be32(sd + FSL_SRDSCR0_OFFS); |
| tmp &= ~FSL_SRDSCR0_TXEQA_MASK; |
| tmp |= FSL_SRDSCR0_TXEQA_SGMII; |
| out_be32(sd + FSL_SRDSCR0_OFFS, tmp); |
| /* CR 1 */ |
| tmp = in_be32(sd + FSL_SRDSCR1_OFFS); |
| tmp &= ~FSL_SRDSCR1_LANEE_MASK; |
| tmp |= FSL_SRDSCR1_LANEE_OFF; |
| out_be32(sd + FSL_SRDSCR1_OFFS, tmp); |
| /* CR 2 */ |
| tmp = in_be32(sd + FSL_SRDSCR2_OFFS); |
| tmp &= ~FSL_SRDSCR2_EICA_MASK; |
| tmp |= FSL_SRDSCR2_EICA_SGMII; |
| out_be32(sd + FSL_SRDSCR2_OFFS, tmp); |
| /* CR 3 */ |
| tmp = in_be32(sd + FSL_SRDSCR3_OFFS); |
| tmp &= ~FSL_SRDSCR3_LANEA_MASK; |
| tmp |= FSL_SRDSCR3_LANEA_SGMII; |
| out_be32(sd + FSL_SRDSCR3_OFFS, tmp); |
| break; |
| case 7: /* Lane A - disabled, Lane E - disabled */ |
| /* CR 1 */ |
| tmp = in_be32(sd + FSL_SRDSCR1_OFFS); |
| tmp &= ~FSL_SRDSCR1_LANEA_MASK; |
| tmp |= FSL_SRDSCR1_LANEA_OFF; |
| tmp &= ~FSL_SRDSCR1_LANEE_MASK; |
| tmp |= FSL_SRDSCR1_LANEE_OFF; |
| out_be32(sd + FSL_SRDSCR1_OFFS, tmp); |
| break; |
| default: |
| break; |
| } |
| } |
