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| author | wdenk <wdenk> | 2003-07-24 23:38:38 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-07-24 23:38:38 +0000 |
| commit | 27b207fd0a0941b03f27e2a82c0468b1a090c745 (patch) | |
| tree | 4d339d7a2a00889f09a876425ce430be57de56e9 /cpu/mpc824x/drivers/i2c | |
| parent | 2535d60277cc295adf75cd5721dcecd840c69a63 (diff) | |
| download | u-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.zip u-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.tar.gz u-boot-imx-27b207fd0a0941b03f27e2a82c0468b1a090c745.tar.bz2 | |
* Implement new mechanism to export U-Boot's functions to standalone
applications: instead of using (PPC-specific) system calls we now
use a jump table; please see doc/README.standalone for details
* Patch by Dave Westwood, 24 Jul 2003:
added support for Unity OS (a proprietary OS)
Diffstat (limited to 'cpu/mpc824x/drivers/i2c')
| -rw-r--r-- | cpu/mpc824x/drivers/i2c/i2c1.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/cpu/mpc824x/drivers/i2c/i2c1.c b/cpu/mpc824x/drivers/i2c/i2c1.c index dc1c97c..94c671e 100644 --- a/cpu/mpc824x/drivers/i2c/i2c1.c +++ b/cpu/mpc824x/drivers/i2c/i2c1.c @@ -1197,13 +1197,16 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) uchar *p; int i; - p = dummy_buffer; /* fill in address in big endian order */ - for (i=0; i<alen; ++i) - *p++ = (addr >> (i * 8)) & 0xFF; + for (i=alen-1; i>=0; --i) { + buffer[i] = addr & 0xFF; + addr >>= 8; + } /* fill in data */ + p = dummy_buffer + alen; + for (i=0; i<len; ++i) - *p++ = *buffer; + *p++ = *buffer++; status = I2C_do_buffer (0, I2C_MASTER_XMIT, chip, alen + len, dummy_buffer, I2C_STOP, 1, I2C_NO_RESTART); |