Version cleaned On Fri, Jul 11, 2008 at 12:26 PM, Ricardo Ribalda Delgado <[EMAIL PROTECTED]> wrote: > This driver provides access to a false i2c eeprom. > This false eeprom could be very useful in boards with > ddr2 memories and no i2c interfaces. > Using this driver the user can simulate the spd interface > of the ddr2 memory and use the ddr2 auto config > > Signed-off-by: Ricardo Ribalda Delgado <[EMAIL PROTECTED]> > --- > drivers/i2c/Makefile | 1 + > drivers/i2c/dummy_i2c.c | 65 > +++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 66 insertions(+), 0 deletions(-) > create mode 100644 drivers/i2c/dummy_i2c.c > > diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile > index 534c015..94a0791 100644 > --- a/drivers/i2c/Makefile > +++ b/drivers/i2c/Makefile > @@ -30,6 +30,7 @@ COBJS-y += omap1510_i2c.o > COBJS-y += omap24xx_i2c.o > COBJS-y += tsi108_i2c.o > COBJS-y += mxc_i2c.o > +COBJS-$(CONFIG_DUMMY_I2C) += dummy_i2c.o > > COBJS := $(COBJS-y) > SRCS := $(COBJS:.o=.c) > diff --git a/drivers/i2c/dummy_i2c.c b/drivers/i2c/dummy_i2c.c > new file mode 100644 > index 0000000..ce859c3 > --- /dev/null > +++ b/drivers/i2c/dummy_i2c.c > @@ -0,0 +1,65 @@ > +/* > + (C) Copyright 2008 > + Ricado Ribalda-Universidad Autonoma de [EMAIL PROTECTED] > + This work has been supported by: Q-Technology http://qtec.com/ > + > + This program is free software: you can redistribute it and/or modify > + it under the terms of the GNU General Public License as published by > + the Free Software Foundation, either version 2 of the License, or > + (at your option) any later version. > + > + This program is distributed in the hope that it will be useful, > + but WITHOUT ANY WARRANTY; without even the implied warranty of > + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + GNU General Public License for more details. > + > + You should have received a copy of the GNU General Public License > + along with this program. If not, see <http://www.gnu.org/licenses/>. > +*/ > + > +#include <common.h> > +#include <i2c.h> > + > +#define DUMMY_I2C_LEN 256 > + > +u8 i2c_dummy_buffer[DUMMY_I2C_LEN]= CONFIG_DUMMY_I2C_DATA; > + > +void i2c_init(int speed, int slaveaddr){ > + return ; > +} > + > +int i2c_read(uchar chip, uint addr, int alen, uchar * buffer, int len) > +{ > + int i; > + if (alen!=1) > + return -1; > + > + if (addr+len>DUMMY_I2C_LEN) > + return -1; > + > + for(i=0;i<len;i++){ > + buffer[i]=i2c_dummy_buffer[i+addr]; > + } > + > + return 0; > +} > +int i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len) > +{ > + int i; > + if (alen!=1) > + return -1; > + if (addr+len>DUMMY_I2C_LEN) > + return -1; > + > + for(i=0;i<len;i++){ > + i2c_dummy_buffer[i+addr]=buffer[i]; > + } > + > + return 0; > +} > + > +int i2c_probe(uchar chip) > +{ > + return 0; > +} > + > -- > 1.5.6.2 > >
-- Ricardo Ribalda http://www.eps.uam.es/~rribalda/ ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
