From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Traill Date: Mon, 19 May 2008 09:22:40 +0100 Subject: [U-Boot-Users] RapidIO on custom board (MPC8548 ) In-Reply-To: <1211142152.4365.28.camel@localhost.localdomain> References: <1211142152.4365.28.camel@localhost.localdomain> Message-ID: <483138D0.5090107@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Adam, Make sure you have matching common transport sizes in your system - Section 4.4.3.16 RapidIO System Size in the 8548 manual. Adam Nowak wrote: > I have to configure the system (u-boot, kernel) and create the RIO > driver. Could you advise me how to fix my current problem? > > a) Kernel log: > ... > Setting up RapidIO peer-to-peer network /soc8548 at e0000000/rapidi0 > RIO: Of-device full name /soc8548 at e0000000/rapidio at c0000 > RIO: LAW start 0x00000000c0000000, size 0x0000000020000000. > RIO: Regs start 0xe00c0000 size 0x00020000 > [there are not any next messages, the board hung up] > > b) Corresponding Source Code > The kernel hung up in the file > linux-2.6.23/arch/powerpc/sysdev/fsl_rio.c > Function fsl_rio_setup() is executed but it hung on in_be32(regs_win + > RIO_CCSR); > > c) u-boot configuration > #define CONFIG_RIO 1 > #define CFG_RIO_MEM_BASE 0xC0000000 > #define CFG_RIO_MEM_SIZE 0x20000000 /* 512M */ > > d) Device Tree Source > rapidio at c0000 { > compatible = "fsl,rapidio-delta"; > #address-cells = <2>; > #size-cells = <2>; > reg = ; > ranges = <0 0 c0000000 20000000>; > interrupt-parent = <&mpic>; > interrupts = <30 2 31 2 32 2 35 2 36 2 37 2 38 2>; > }; > > If you can not advise me on technical aspects, tell me please what I > should read to understand initialization of RIO in the kernel. > > Thanks, > Adam > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > U-Boot-Users mailing list > U-Boot-Users at lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/u-boot-users -- John Traill Systems Engineer Network and Computing Systems Group Freescale Semiconductor UK LTD Colvilles Road East Kilbride Glasgow G75 0TG, Scotland Tel: +44 (0) 1355 355494 Fax: +44 (0) 1355 261790 E-mail: john.traill at freescale.com Registration Number: SC262720 VAT Number: GB831329053 [ ] General Business Use [ ] Freescale Internal Use Only [ ] Freescale Confidential Proprietary