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| author | Igor Grinberg <grinberg@compulab.co.il> | 2012-04-02 20:12:58 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-04-16 14:47:58 +0200 |
| commit | 07277e740ba9422f603bbcd97d5a9ab5731fe06d (patch) | |
| tree | 17659f64bf68a9bbe094a33b571fc47d43d7b307 /board/cm_t35 | |
| parent | 385488dc1b20e55739cfdecdce20319a60dbad44 (diff) | |
| download | u-boot-07277e740ba9422f603bbcd97d5a9ab5731fe06d.tar.gz u-boot-07277e740ba9422f603bbcd97d5a9ab5731fe06d.tar.bz2 u-boot-07277e740ba9422f603bbcd97d5a9ab5731fe06d.zip | |
cm-t35: fix Ethernet reset timing
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>
Diffstat (limited to 'board/cm_t35')
| -rw-r--r-- | 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 0a049944d7..7af1f41af2 100644 --- a/board/cm_t35/cm_t35.c +++ b/board/cm_t35/cm_t35.c @@ -356,16 +356,17 @@ 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) {} |