diff options
Diffstat (limited to 'cpu/mpc83xx/serdes.c')
| -rw-r--r-- | cpu/mpc83xx/serdes.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/cpu/mpc83xx/serdes.c b/cpu/mpc83xx/serdes.c deleted file mode 100644 index 64033fe..0000000 --- a/cpu/mpc83xx/serdes.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Freescale SerDes initialization routine - * - * Copyright (C) 2007 Freescale Semicondutor, Inc. - * Copyright (C) 2008 MontaVista Software, Inc. - * - * Author: Li Yang <leoli@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/fsl_serdes.h> - -/* SerDes registers */ -#define FSL_SRDSCR0_OFFS 0x0 -#define FSL_SRDSCR0_DPP_1V2 0x00008800 -#define FSL_SRDSCR1_OFFS 0x4 -#define FSL_SRDSCR1_PLLBW 0x00000040 -#define FSL_SRDSCR2_OFFS 0x8 -#define FSL_SRDSCR2_VDD_1V2 0x00800000 -#define FSL_SRDSCR2_SEIC_MASK 0x00001c1c -#define FSL_SRDSCR2_SEIC_SATA 0x00001414 -#define FSL_SRDSCR2_SEIC_PEX 0x00001010 -#define FSL_SRDSCR2_SEIC_SGMII 0x00000101 -#define FSL_SRDSCR3_OFFS 0xc -#define FSL_SRDSCR3_KFR_SATA 0x10100000 -#define FSL_SRDSCR3_KPH_SATA 0x04040000 -#define FSL_SRDSCR3_SDFM_SATA_PEX 0x01010000 -#define FSL_SRDSCR3_SDTXL_SATA 0x00000505 -#define FSL_SRDSCR4_OFFS 0x10 -#define FSL_SRDSCR4_PROT_SATA 0x00000808 -#define FSL_SRDSCR4_PROT_PEX 0x00000101 -#define FSL_SRDSCR4_PROT_SGMII 0x00000505 -#define FSL_SRDSCR4_PLANE_X2 0x01000000 -#define FSL_SRDSRSTCTL_OFFS 0x20 -#define FSL_SRDSRSTCTL_RST 0x80000000 -#define FSL_SRDSRSTCTL_SATA_RESET 0xf - -void fsl_setup_serdes(u32 offset, char proto, u32 rfcks, char vdd) -{ - void *regs = (void *)CONFIG_SYS_IMMR + offset; - u32 tmp; - - /* 1.0V corevdd */ - if (vdd) { - /* DPPE/DPPA = 0 */ - tmp = in_be32(regs + FSL_SRDSCR0_OFFS); - tmp &= ~FSL_SRDSCR0_DPP_1V2; - out_be32(regs + FSL_SRDSCR0_OFFS, tmp); - - /* VDD = 0 */ - tmp = in_be32(regs + FSL_SRDSCR2_OFFS); - tmp &= ~FSL_SRDSCR2_VDD_1V2; - out_be32(regs + FSL_SRDSCR2_OFFS, tmp); - } - - /* protocol specific configuration */ - switch (proto) { - case FSL_SERDES_PROTO_SATA: - /* Set and clear reset bits */ - tmp = in_be32(regs + FSL_SRDSRSTCTL_OFFS); - tmp |= FSL_SRDSRSTCTL_SATA_RESET; - out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); - udelay(1000); - tmp &= ~FSL_SRDSRSTCTL_SATA_RESET; - out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); - - /* Configure SRDSCR1 */ - tmp = in_be32(regs + FSL_SRDSCR1_OFFS); - tmp &= ~FSL_SRDSCR1_PLLBW; - out_be32(regs + FSL_SRDSCR1_OFFS, tmp); - - /* Configure SRDSCR2 */ - tmp = in_be32(regs + FSL_SRDSCR2_OFFS); - tmp &= ~FSL_SRDSCR2_SEIC_MASK; - tmp |= FSL_SRDSCR2_SEIC_SATA; - out_be32(regs + FSL_SRDSCR2_OFFS, tmp); - - /* Configure SRDSCR3 */ - tmp = FSL_SRDSCR3_KFR_SATA | FSL_SRDSCR3_KPH_SATA | - FSL_SRDSCR3_SDFM_SATA_PEX | - FSL_SRDSCR3_SDTXL_SATA; - out_be32(regs + FSL_SRDSCR3_OFFS, tmp); - - /* Configure SRDSCR4 */ - tmp = rfcks | FSL_SRDSCR4_PROT_SATA; - out_be32(regs + FSL_SRDSCR4_OFFS, tmp); - break; - case FSL_SERDES_PROTO_PEX: - case FSL_SERDES_PROTO_PEX_X2: - /* Configure SRDSCR1 */ - tmp = in_be32(regs + FSL_SRDSCR1_OFFS); - tmp |= FSL_SRDSCR1_PLLBW; - out_be32(regs + FSL_SRDSCR1_OFFS, tmp); - - /* Configure SRDSCR2 */ - tmp = in_be32(regs + FSL_SRDSCR2_OFFS); - tmp &= ~FSL_SRDSCR2_SEIC_MASK; - tmp |= FSL_SRDSCR2_SEIC_PEX; - out_be32(regs + FSL_SRDSCR2_OFFS, tmp); - - /* Configure SRDSCR3 */ - tmp = FSL_SRDSCR3_SDFM_SATA_PEX; - out_be32(regs + FSL_SRDSCR3_OFFS, tmp); - - /* Configure SRDSCR4 */ - tmp = rfcks | FSL_SRDSCR4_PROT_PEX; - if (proto == FSL_SERDES_PROTO_PEX_X2) - tmp |= FSL_SRDSCR4_PLANE_X2; - out_be32(regs + FSL_SRDSCR4_OFFS, tmp); - break; - case FSL_SERDES_PROTO_SGMII: - /* Configure SRDSCR1 */ - tmp = in_be32(regs + FSL_SRDSCR1_OFFS); - tmp &= ~FSL_SRDSCR1_PLLBW; - out_be32(regs + FSL_SRDSCR1_OFFS, tmp); - - /* Configure SRDSCR2 */ - tmp = in_be32(regs + FSL_SRDSCR2_OFFS); - tmp &= ~FSL_SRDSCR2_SEIC_MASK; - tmp |= FSL_SRDSCR2_SEIC_SGMII; - out_be32(regs + FSL_SRDSCR2_OFFS, tmp); - - /* Configure SRDSCR3 */ - out_be32(regs + FSL_SRDSCR3_OFFS, 0); - - /* Configure SRDSCR4 */ - tmp = rfcks | FSL_SRDSCR4_PROT_SGMII; - out_be32(regs + FSL_SRDSCR4_OFFS, tmp); - break; - default: - return; - } - - /* Do a software reset */ - tmp = in_be32(regs + FSL_SRDSRSTCTL_OFFS); - tmp |= FSL_SRDSRSTCTL_RST; - out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); -} |