From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sina37-40.sina.com.cn (sina37-40.sina.net [202.108.37.40]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "securemail.sina.net", Issuer "VeriSign Trust Network" (not verified)) by ozlabs.org (Postfix) with ESMTP id 0373467F1E for ; Mon, 8 Aug 2005 11:49:20 +1000 (EST) Date: Mon, 8 Aug 2005 09:53:32 +0800 From: "Debora Liu" To: "Marcelo Tosatti" Message-Id: <20050808014920.0373467F1E@ozlabs.org> Cc: Linuxppc-embedded Subject: Re: Volunteers to test i2c-algo-8xx on v2.6? List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello, Marcelo Tosatti In message <2005-08-07 08:34:52 marcelo.tosatti@cyclades.com> you wrote: > >Does anyone volunteer to test this 8xx i2c driver? > > I don't have kernel v2.6, but I have test my board with eldk-3.1.1 linux-2.4.25 when my board kernel booting, I found one problem. eldk-3.1.1 linux-2.4.25 kernel include i2c, i2c-algo-8xx, pcf8563 driver. If one pcf8563 chip on my board, there are't problem. But if my board don't have pcf8563 chip, kernel stop as blow: Linux version 2.4.25 (liu@bighead) (gcc version 3.3.3 (DENX ELDK 3.1.1 3.3.3-9)) #4 励 7埖 29 12:19:14 CST 2005 m8xx_setup.c:Reserved 0x10000 memory at 0xc0190000 On node 0 totalpages: 8192 zone(0): 8192 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: root=/dev/nftla1 ip=192.168.0.207:192.168.0.82:::sc855t:eth 0:off Decrementer Frequency = 300000000/60 Warning: real time clock seems stuck! Calibrating delay loop... 79.66 BogoMIPS ========= HZ=100 loops_per_jiffy=398336 Memory: 30752k available (1144k kernel code, 356k data, 56k init, 0k highmem) Dentry cache hash table entries: 4096 (order: 3, 32768 bytes) Inode cache hash table entries: 2048 (order: 2, 16384 bytes) Mount cache hash table entries: 512 (order: 0, 4096 bytes) Buffer cache hash table entries: 1024 (order: 0, 4096 bytes) Page-cache hash table entries: 8192 (order: 3, 32768 bytes) POSIX conformance testing by UNIFIX WDT_8xx: SWT not enabled by firmware, SYPCR=0xffffff88 Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd Journalled Block Device driver loaded i2c-core.o: i2c core module version 2.6.1 (20010830) i2c-dev.o: i2c /dev entries driver module version 2.6.1 (20010830) i2c-algo-8xx.o: i2c mpc8xx algorithm module version 2.6.1 (20010830) i2c-rpx.o: i2c MPC8xx module version 2.6.1 (20010830) i2c-proc.o version 2.6.1 (20010830) CPM UART driver version 0.04 ttyS0 at 0x0280 is on SMC1 using BRG1 ttyS1 at 0x0380 is on SMC2 using BRG2 pty: 256 Unix98 ptys configured PCF8563 Real-Time Clock Driver $Revision: 1.3 $ wd@denx.de I modify i2c-algo-8xx.c cpm_iic_write(), then no problem, my board defined by CONFIG_SVM8xx #ifdef CONFIG_SVM8xx while(!(i2c->i2c_i2cer & 0x12)) if (time_after(jiffies, tmo)) { tmo = 0; break; } #else while(!(i2c->i2c_i2cer & 0x12 || time_after(jiffies, tmo))); /* Bus #endif = = = = = = = = = = = = = = = = = = = = 　　　　　　　　Debora Liu 　　　　　　　　deboralh@fel.com.cn 　　　　　　　　　　2005-08-08