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authorwdenk <wdenk>2004-03-23 20:18:25 +0000
committerwdenk <wdenk>2004-03-23 20:18:25 +0000
commitefa329cb892c8b9a5e453638b3ca57c94b71e9a2 (patch)
treeb8c5361b7054e21662e619100c1a7f53e6d8de0a /cpu/pxa
parent7d7ce4125f769a21a321c3df972272c5854d54f7 (diff)
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* 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')
-rw-r--r--cpu/pxa/i2c.c6
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 */