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https://github.com/AsahiLinux/u-boot
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Reset any i2c devices that may have been interrupted during a system reset. Normally this would be accomplished by clocking the line until SCL and SDA are released and then sending a start condtiion (From an Atmel datasheet). There is no direct access to the i2c pins so instead create start commands through the i2c interface. Send a start command then delay for the SDA Hold time, repeat this by disabling/enabling the bus a total of 9 times. Signed-off-by: Eric Millbrandt <emillbrandt@dekaresearch.com> |
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| .. | ||
| config.mk | ||
| cpu.c | ||
| cpu_init.c | ||
| firmware_sc_task.impl.S | ||
| firmware_sc_task_bestcomm.impl.S | ||
| i2c.c | ||
| ide.c | ||
| interrupts.c | ||
| io.S | ||
| loadtask.c | ||
| Makefile | ||
| pci_mpc5200.c | ||
| serial.c | ||
| speed.c | ||
| start.S | ||
| traps.c | ||
| u-boot-customlayout.lds | ||
| u-boot.lds | ||
| usb.c | ||
| usb_ohci.c | ||
| usb_ohci.h | ||