From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Schwarz Date: Fri, 05 Nov 2010 17:52:45 +0100 Subject: [U-Boot] MPC8377: SerDes config Message-ID: <4CD4365D.8080904@matrix-vision.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de All, I'm a little confused how to setup SerDes properly on MPC8377, i.e. which function uses which port ... I'd expect the following : - SATA Ports 1+2 used on SerDes 1 - PCIe Ports 3+4 (2 times x1) on SerDes 2 This is what I've done : CONFIG_SYS_SCCR_PCIEXP1CM = 0 (disabled) CONFIG_SYS_SCCR_PCIEXP2CM = 2 CONFIG_SYS_SCCR_SATACM = 0xA0 (Port 1+2 used / 3+4 disabled) Still both SerDes are active : #define CONFIG_FSL_SERDES #define CONFIG_FSL_SERDES1 0xe3000 #define CONFIG_FSL_SERDES2 0xe3100 PCIe only gets one LAW @ CONFIG_SYS_PCIE2_BASE Board init code calls fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA, FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX, FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V) Is this supposed to be correct or have I swapped something ? Is it save to disable PEX-1 ? -- Regards, Andre MATRIX VISION GmbH, Talstrasse 16, DE-71570 Oppenweiler Registergericht: Amtsgericht Stuttgart, HRB 271090 Geschaeftsfuehrer: Gerhard Thullner, Werner Armingeon, Uwe Furtner