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	The EC1_EXT, EC2_EXT, and EC3 bits in the RCW don't officially exist on the P3060 and should always be set to zero. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
		
			
				
	
	
		
			119 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 2011 Freescale Semiconductor, Inc.
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|  *
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|  * See file CREDITS for list of people who contributed to this
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|  * project.
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License as
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|  * published by the Free Software Foundation; either version 2 of
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|  * the License, or (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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|  * MA 02111-1307 USA
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|  */
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| 
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| #include <common.h>
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| #include <asm/io.h>
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| #include <asm/fsl_serdes.h>
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| #include <asm/processor.h>
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| #include <asm/io.h>
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| #include "fsl_corenet_serdes.h"
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| 
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| static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
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| 	[0x03] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
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| 		  SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC1,
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| 		  SGMII_FM1_DTSEC1, SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2,
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| 		  NONE, NONE, AURORA, AURORA},
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| 	[0x06] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, SGMII_FM2_DTSEC3,
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| 		  SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4,
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| 		  SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1, SGMII_FM2_DTSEC2,
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| 		  SGMII_FM1_DTSEC2, NONE, NONE, AURORA, AURORA},
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| 	[0x16] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
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| 		  AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1,
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| 		  SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2, SGMII_FM2_DTSEC3,
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| 		  SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4},
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| 	[0x19] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
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| 		  AURORA, AURORA, PCIE2, PCIE2, PCIE2, PCIE2, SGMII_FM2_DTSEC3,
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| 		  SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4},
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| 	[0x1c] = {NONE, NONE, SRIO1, SRIO2,  NONE, NONE, NONE, NONE,
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| 		  AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1,
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| 		  SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2, SGMII_FM2_DTSEC3,
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| 		  SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4},
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| };
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| 
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| enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
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| {
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| 	if (!serdes_lane_enabled(lane))
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| 		return NONE;
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| 
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| 	return serdes_cfg_tbl[cfg][lane];
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| }
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| 
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| int is_serdes_prtcl_valid(u32 prtcl)
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| {
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| 	int i;
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| 
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| 	if (prtcl > ARRAY_SIZE(serdes_cfg_tbl))
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| 		return 0;
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| 
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| 	for (i = 0; i < SRDS_MAX_LANES; i++) {
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| 		if (serdes_cfg_tbl[prtcl][i] != NONE)
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| 			return 1;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| void soc_serdes_init(void)
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| {
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| 	/*
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| 	 * On the P3060 the devdisr2 register does not correctly reflect
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| 	 * the state of the MACs based on the RCW fields. So disable the MACs
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| 	 * based on the srds_prtcl and ec1, ec2, ec3 fields
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| 	 */
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| 
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| 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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| 	u32 devdisr2 = in_be32(&gur->devdisr2);
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| 	u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
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| 
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| 	/* NOTE: Leave FM1-1,FM1-2 alone for MDIO access */
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| 
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| 	if (!is_serdes_configured(SGMII_FM1_DTSEC3))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC1_3;
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| 
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| 	if (!is_serdes_configured(SGMII_FM1_DTSEC4))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC1_4;
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| 
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| 	if (!is_serdes_configured(SGMII_FM2_DTSEC1))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_1;
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| 
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| 	if (!is_serdes_configured(SGMII_FM2_DTSEC2))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_2;
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| 
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| 	if (!is_serdes_configured(SGMII_FM2_DTSEC3))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_3;
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| 
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| 	if (!is_serdes_configured(SGMII_FM2_DTSEC4))
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| 		devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_4;
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| 
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| 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) ==
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| 		FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) {
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| 		devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC1_2;
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| 	}
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| 
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| 	if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) ==
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| 		FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1) {
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| 		devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC2_1;
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| 	}
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| 
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| 	out_be32(&gur->devdisr2, devdisr2);
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| }
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