Hello Alexander, (snip) > > Make zImage > > CHK include/linux/version.h > make[1]: `arch/ppc/kernel/asm-offsets.asm' is up to date. > CHK include/linux/compile.h > CC arch/ppc/8xx_io/uart.o > arch/ppc/8xx_io/uart.c:82: warning: type defaults to `int' in > declaration of > `DECLARE_TASK_QUEUE' > arch/ppc/8xx_io/uart.c:82: warning: parameter names (without types) in > function declaration > arch/ppc/8xx_io/uart.c: In function `serial_console_device': > arch/ppc/8xx_io/uart.c:145: error: storage class specified > for parameter > `rs_table' > arch/ppc/8xx_io/uart.c:145: error: parameter `rs_table' is initialized Its also recommended to use the "new" serial driver for 8xx (CONFIG_SERIAL_CPM_xxx) from the ../drivers/serial/cpm_uart/*.* directory.
Regards, Torsten > > Thanks, > Best Regards, > Alex > > -----Original Message----- > From: Dan Malek [mailto:dan at embeddededge.com] > Sent: Wednesday, December 15, 2004 11:54 AM > To: Povolotsky, Alexander > Cc: 'linuxppc-embedded at ozlabs.org' > Subject: Re: I2C + Linux 2.6 on MPC880/MPC885 based board(s) > > > On Dec 15, 2004, at 11:04 AM, Povolotsky, Alexander wrote: > > > On a software (Linux 2.6) side ... > > Did you deal with Linux 2.6 + MPC880/MPC885 (or at least > any MPC8xx) ? > > If yes, what I2C settings in .config were used for > successful 2.6 kernel > > > build ? > > I am having a problem building it (see below attached) ... > - that is > > why I am trying to understand from the hardware point of > view - hence my > h/w related questions > > ... - the importance of I2C. > > It looks like someone that has an interest in > using the CPM I2C (which isn't me) will need to port it first to 2.6, > then provide the board specific functions for set up and control. > > On top of this, if you want to run the SMBus protocols, you will > need a much more complex CPM I2C functions. > > > -- Dan > ****************** > -----Original Message----- > From: Povolotsky, Alexander > Sent: Tuesday, December 14, 2004 6:13 PM > To: 'Greg KH'; Jean Delvare > Subject: RE: 8xx i2c drivers (cross)compilation errors on Linux 2.6.8 > > > Hi, > > >Alexander, what arch are you building for? > > PPC ->8xx ->MPC880 (Motorola -> FreeScale Semiconductor) > http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code > =MPC885&nodeId > =018rH3bTdG4204 > > Thanks, > Best Regards, > Alex > > PPS I have attached my original e-mail in its entirety (at the end ). > > -----Original Message----- > From: Greg KH [mailto:greg at kroah.com] > Sent: Tuesday, December 14, 2004 4:50 PM > To: Jean Delvare > Cc: Alexander.Povolotsky at marconi.com > Subject: Re: 8xx i2c drivers (cross)compilation errors on Linux 2.6.8 > > > On Tue, Dec 14, 2004 at 10:38:00AM +0100, Jean Delvare wrote: > > > > On 2004-12-14, Alexander Povolotsky wrote: > > > > > Hi, > > > > > > I have the following .config setup: > > > (...) > > > CONFIG_I2C_RPXLITE=y > > > (...) > > > > > > Originally I was getting error: > > > CC drivers/i2c/busses/i2c-rpx.o > > > drivers/i2c/busses/i2c-rpx.c:20:32: linux/i2c-algo-8xx.h: > No such file > or > > > directory - why I am missing it - any hint ? > > > > Hm, looks like the 8xx i2c algorithm was never ported to > Linux 2.6. Greg, > > how come that the RPX adapter driver is present in the tree and the > > algorithm it depends on isn't? > > Because no one ever sent me the patch with those files in it? :) > > I have no idea, I've not cross built this driver before. > > > Greg, could it be that an arch-specific (m68k? don't know what this > > rpx/8xx thing is) variant of the Linux tree already has the > i2c-algo-8xx > > driver ported to 2.6? We probably want to import it into > the main tree > > if this is the case (having adapter drivers that won't > compile doesn't > > sound good...) > > It might, I've seen i2c drivers in different arch specific trees (like > sh for example I know has a few.) > > Alexander, what arch are you building for? > > thanks, > > greg k-h > ************* > -----Original Message----- > From: Jean Delvare [mailto:khali at linux-fr.org] > Sent: Tuesday, December 14, 2004 4:38 AM > To: Alexander.Povolotsky at marconi.com; greg at kroah.com > Subject: Re: 8xx i2c drivers (cross)compilation errors on Linux 2.6.8 > > > > On 2004-12-14, Alexander Povolotsky wrote: > > > Hi, > > > > I have the following .config setup: > > (...) > > CONFIG_I2C_RPXLITE=y > > (...) > > > > Originally I was getting error: > > CC drivers/i2c/busses/i2c-rpx.o > > drivers/i2c/busses/i2c-rpx.c:20:32: linux/i2c-algo-8xx.h: > No such file or > > directory - why I am missing it - any hint ? > > Hm, looks like the 8xx i2c algorithm was never ported to > Linux 2.6. Greg, > how come that the RPX adapter driver is present in the tree and the > algorithm it depends on isn't? > > > So I copied the i2c-algo-8xx.h file from Linux 2.4.26 > distribution ... > > could I use it ? > > (if not - could you send me the correct i2c-algo-8xx.h file > ? - TIA !) > > I don't think it'll work. The header file is one thing, the algorithm > driver is another and you would need to port both (they proabbly won't > work out of the box due to important changes in the i2c subsystem > between 2.4 and 2.6 kernels). Also, obviously the RPX adapter driver > couldn't be used so far so it was possibly never tested. There will > probably be much porting and debugging work if you want to get it to > work. > > Greg, could it be that an arch-specific (m68k? don't know what this > rpx/8xx thing is) variant of the Linux tree already has the > i2c-algo-8xx > driver ported to 2.6? We probably want to import it into the main tree > if this is the case (having adapter drivers that won't compile doesn't > sound good...) > > Alexander, at any rate, there's not much I can do myself, as I don't > have compatible hardware to port/test/debug the i2c-algo-8xx > and i2c-rpx > drivers. Sorry. > > Thanks, > -- > Jean Delvare > -----Original Message----- > From: Povolotsky, Alexander > Sent: Monday, December 13, 2004 10:22 PM > To: 'khali at linux-fr.org' > Subject: 8xx i2c drivers (cross)compilation errors on Linux 2.6.8 > > Hi, > > I have the following .config setup: > ..... > # I2C Hardware Bus support > # > # CONFIG_I2C_AMD756 is not set > # CONFIG_I2C_AMD8111 is not set > # CONFIG_I2C_ISA is not set > # CONFIG_I2C_PARPORT_LIGHT is not set > CONFIG_I2C_RPXLITE=y > # CONFIG_SCx200_ACB is not set > > # > # Hardware Sensors Chip support > # > # CONFIG_I2C_SENSOR is not set > # CONFIG_SENSORS_ADM1021 is not set > # CONFIG_SENSORS_ADM1025 is not set > # CONFIG_SENSORS_ADM1031 is not set > # CONFIG_SENSORS_ASB100 is not set > # CONFIG_SENSORS_DS1621 is not set > # CONFIG_SENSORS_FSCHER is not set > # CONFIG_SENSORS_GL518SM is not set > # CONFIG_SENSORS_IT87 is not set > # CONFIG_SENSORS_LM75 is not set > # CONFIG_SENSORS_LM77 is not set > # CONFIG_SENSORS_LM78 is not set > # CONFIG_SENSORS_LM80 is not set > # CONFIG_SENSORS_LM83 is not set > # CONFIG_SENSORS_LM85 is not set > # CONFIG_SENSORS_LM90 is not set > # CONFIG_SENSORS_MAX1619 is not set > # CONFIG_SENSORS_W83781D is not set > # CONFIG_SENSORS_W83L785TS is not set > # CONFIG_SENSORS_W83627HF is not set > > # > # Other I2C Chip support > # > # CONFIG_SENSORS_EEPROM is not set > # CONFIG_SENSORS_PCF8574 is not set > # CONFIG_SENSORS_PCF8591 is not set > # CONFIG_SENSORS_RTC8564 is not set > # CONFIG_I2C_DEBUG_CORE is not set > # CONFIG_I2C_DEBUG_ALGO is not set > # CONFIG_I2C_DEBUG_BUS is not set > # CONFIG_I2C_DEBUG_CHIP is not set > ............... > > Originally I was getting error: > CC drivers/i2c/busses/i2c-rpx.o > drivers/i2c/busses/i2c-rpx.c:20:32: linux/i2c-algo-8xx.h: No > such file or > directory - why I am missing it - any hint ? > > So I copied the i2c-algo-8xx.h file from Linux 2.4.26 > distribution ... could > I use it ? > (if not - could you send me the correct i2c-algo-8xx.h file ? - TIA !) > > Then I started to get another error: > > CC drivers/i2c/busses/i2c-rpx.o > In file included from drivers/i2c/busses/i2c-rpx.c:20: > include/linux/i2c-algo-8xx.h:15: warning: type defaults to `int' in > declaration of `i2c8xx_t' > include/linux/i2c-algo-8xx.h:15: warning: no semicolon at end > of struct or > union > include/linux/i2c-algo-8xx.h:15: error: parse error before '*' token > include/linux/i2c-algo-8xx.h:16: error: parse error before '*' token > include/linux/i2c-algo-8xx.h:16: warning: type defaults to `int' in > declaration of `iip' > include/linux/i2c-algo-8xx.h:16: warning: data definition has > no type or > storage class > include/linux/i2c-algo-8xx.h:17: error: parse error before '*' token > include/linux/i2c-algo-8xx.h:17: warning: type defaults to `int' in > declaration of `cp' > include/linux/i2c-algo-8xx.h:17: warning: data definition has > no type or > storage class > include/linux/i2c-algo-8xx.h:25: error: parse error before '}' token > drivers/i2c/busses/i2c-rpx.c: In function `rpx_iic_init': > drivers/i2c/busses/i2c-rpx.c:34: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:38: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:38: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:39: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:39: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:41: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:42: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:53: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c:56: error: dereferencing pointer > to incomplete > type > drivers/i2c/busses/i2c-rpx.c: At top level: > drivers/i2c/busses/i2c-rpx.c:67: error: variable `rpx_data' > has initializer > but incomplete type > drivers/i2c/busses/i2c-rpx.c:68: error: unknown field > `setisr' specified in > initializer > drivers/i2c/busses/i2c-rpx.c:69: warning: excess elements in struct > initializer > drivers/i2c/busses/i2c-rpx.c:69: warning: (near initialization for > `rpx_data') > drivers/i2c/busses/i2c-rpx.c:67: error: storage size of > `rpx_data' isn't > known > make[3]: *** [drivers/i2c/busses/i2c-rpx.o] Error 1 > make[2]: *** [drivers/i2c/busses] Error 2 > make[1]: *** [drivers/i2c] Error 2 > make: *** [drivers] Error 2 > > Here is the listing of i2c-algo-8xx.h I have (from Linux > 2.4.26 distribution > ) > /* > -------------------------------------------------------------- > ---------- > /* i2c-algo-8xx.h i2c driver algorithms for MPX8XX CPM > /* > -------------------------------------------------------------- > ---------- > > /* $Id$ */ > > #ifndef I2C_ALGO_8XX_H > #define I2C_ALGO_8XX_H 1 > > #include <linux/i2c.h> > > struct i2c_algo_8xx_data { > uint dp_addr; > int reloc; > volatile i2c8xx_t *i2c; > volatile iic_t *iip; > volatile cpm8xx_t *cp; > > int (*setisr) (int irq, > void (*func)(int, void *, struct > pt_regs *), > const char *name, > void *data); > > u_char temp[513]; > }; > > int i2c_8xx_add_bus(struct i2c_adapter *); > int i2c_8xx_del_bus(struct i2c_adapter *); > > #endif /* I2C_ALGO_8XX_H */ > > > Thanks, > Best Regards, > I will highly Appreciate your response/help ! > Alex Povolotsky > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded at ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded >
