The reset_net_chip() function has wrong timings for the reset pulse.
This appeared to work until: 0607e2b (ARMV7: OMAP: Write more than 1 byte at a time in i2c_write)
Fix the Ethernet support by introducing right timings.
Signed-off-by: Igor Grinberg grinberg@compulab.co.il --- board/cm_t35/cm_t35.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c index bc991c4..ee7d5a0 100644 --- a/board/cm_t35/cm_t35.c +++ b/board/cm_t35/cm_t35.c @@ -362,16 +362,17 @@ static void reset_net_chip(void) { /* Set GPIO1 of TPS65930 as output */ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, - TWL4030_BASEADD_GPIO+0x03); + TWL4030_BASEADD_GPIO + 0x03); /* Send a pulse on the GPIO pin */ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, - TWL4030_BASEADD_GPIO+0x0C); + TWL4030_BASEADD_GPIO + 0x0C); udelay(1); twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, - TWL4030_BASEADD_GPIO+0x09); - udelay(1); + TWL4030_BASEADD_GPIO + 0x09); + mdelay(40); twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02, - TWL4030_BASEADD_GPIO+0x0C); + TWL4030_BASEADD_GPIO + 0x0C); + mdelay(1); } #else static inline void reset_net_chip(void) {}