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cm-t35: fix Ethernet reset timing

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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>
This commit is contained in:
Igor Grinberg 2012-04-02 20:12:58 +00:00 committed by Albert ARIBAUD
parent 385488dc1b
commit 07277e740b
1 changed files with 6 additions and 5 deletions
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11
board/cm_t35/cm_t35.c
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@ -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) {}