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| author | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-03-23 20:18:25 +0000 |
| commit | efa329cb892c8b9a5e453638b3ca57c94b71e9a2 (patch) | |
| tree | b8c5361b7054e21662e619100c1a7f53e6d8de0a /cpu/pxa/i2c.c | |
| parent | 7d7ce4125f769a21a321c3df972272c5854d54f7 (diff) | |
| download | u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.zip u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.gz u-boot-imx-efa329cb892c8b9a5e453638b3ca57c94b71e9a2.tar.bz2 | |
* Add start-up delay to make sure power has stabilized before
attempting to switch on USB on SX1 board.
* Patch by Josef Wagner, 18 Mar 2004:
- Add support for MicroSys XM250 board (PXA255)
- Add support for MicroSys PM828 board (MPC8280)
- Add support for 32 MB Flash on PM825/826
- new SDRAM refresh rate for PM825/PM826
- added support for MicroSys PM520 (MPC5200)
- replaced Query by Identify command in CPU86/flash.c
to support 28F160F3B
* Fix wrap around problem with udelay() on ARM920T
* Add support for Macronix flash on TRAB board
Diffstat (limited to 'cpu/pxa/i2c.c')
| -rw-r--r-- | cpu/pxa/i2c.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cpu/pxa/i2c.c b/cpu/pxa/i2c.c index cc2c49c..b6155b1 100644 --- a/cpu/pxa/i2c.c +++ b/cpu/pxa/i2c.c @@ -448,13 +448,17 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) uchar i2c_reg_read (uchar chip, uchar reg) { + char buf; + PRINTD(("i2c_reg_read(chip=0x%02x, reg=0x%02x)\n",chip,reg)); - return 0; + i2c_read(chip, reg, 1, &buf, 1); + return (buf); } void i2c_reg_write(uchar chip, uchar reg, uchar val) { PRINTD(("i2c_reg_write(chip=0x%02x, reg=0x%02x, val=0x%02x)\n",chip,reg,val)); + i2c_write(chip, reg, 1, &val, 1); } #endif /* CONFIG_HARD_I2C */ |