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Modify rockpis devtree overlay bus priority
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Signed-off-by: Stephen <[email protected]>
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@StephenInVamrs
StephenInVamrs committed Jul 3, 2019
1 parent bc4e3e6 commit a5dffc8
Showing 1 changed file with 54 additions and 31 deletions.
85 changes: 54 additions & 31 deletions cmd/pxe.c
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Original file line number Diff line number Diff line change
Expand Up @@ -988,71 +988,94 @@ static void handle_hw_conf(cmd_tbl_t *cmdtp, struct fdt_header *working_fdt, str
set_hw_property(working_fdt, "/i2c@ff060000", "status", "disabled", 9);
}

//priority: i2c0 > uart1 > spi2 > uart2
if(hw_conf->i2c0 == VALUE_ON)
//priority: uart1 > spi2 > uart2,i2c0
if(hw_conf->uart1 == VALUE_ON)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "okay", 5);
set_hw_property(working_fdt, "/serial@ff120000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0b0000", "status", "okay", 5);
set_hw_property(working_fdt, "/spi@ff140000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
}
else if(hw_conf->i2c0 == VALUE_OFF && hw_conf->uart1 == VALUE_ON)
else if(hw_conf->uart1 == VALUE_OFF && hw_conf->spi2 == VALUE_ON)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "okay", 5);
set_hw_property(working_fdt, "/serial@ff120000", "status", "disabled", 9);
set_hw_property(working_fdt, "/spi@ff140000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
}
else if(hw_conf->i2c0 == VALUE_OFF && hw_conf->uart1 == VALUE_OFF
&& hw_conf->spi2 == VALUE_ON)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "okay", 5);
set_hw_property(working_fdt, "/serial@ff120000", "status", "disabled", 9);
set_hw_property(working_fdt, "/spi@ff140000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0b0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/spi@ff140000", "status", "okay", 5);
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
}
else if(hw_conf->i2c0 == VALUE_OFF && hw_conf->uart1 == VALUE_OFF
&& hw_conf->spi2 == VALUE_OFF && hw_conf->uart2 == VALUE_ON)
else if(hw_conf->uart1 == VALUE_OFF && hw_conf->spi2 == VALUE_OFF)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "okay", 5);
set_hw_property(working_fdt, "/serial@ff120000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0b0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/spi@ff140000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);

if(hw_conf->uart2 == VALUE_ON)
{
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "okay", 5);
}
else if(hw_conf->uart2 == VALUE_OFF)
{
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
}
else
{
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
}

if(hw_conf->i2c0 == VALUE_ON)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "okay", 5);
}
else if(hw_conf->i2c0 == VALUE_OFF)
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
}
else
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
}
}
else
{
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff120000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0b0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/spi@ff140000", "status", "disabled", 9);
set_hw_property(working_fdt, "/serial@ff0c0000", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff040000", "status", "disabled", 9);
}

//priority: pwm3 > i2c3 > pwm2
//priority: pwm3 > i2c3
if(hw_conf->pwm3 == VALUE_ON)
{
set_hw_property(working_fdt, "/spi@ff180030", "status", "okay", 5);
set_hw_property(working_fdt, "/pwm@ff180030", "status", "okay", 5);
set_hw_property(working_fdt, "/i2c@ff070000", "status", "disabled", 9);
set_hw_property(working_fdt, "/pwm@ff180020", "status", "disabled", 9);
}
else if(hw_conf->pwm3 == VALUE_OFF && hw_conf->i2c3 == VALUE_ON)
{
set_hw_property(working_fdt, "/spi@ff180030", "status", "disabled", 9);
set_hw_property(working_fdt, "/pwm@ff180030", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff070000", "status", "okay", 5);
}
else
{
set_hw_property(working_fdt, "/pwm@ff180030", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff070000", "status", "disabled", 9);
}

//priority: i2c3 > pwm2
if(hw_conf->i2c3 == VALUE_ON)
{
set_hw_property(working_fdt, "/i2c@ff070000", "status", "okay", 5);
set_hw_property(working_fdt, "/pwm@ff180020", "status", "disabled", 9);
}
else if(hw_conf->pwm3 == VALUE_OFF && hw_conf->i2c3 == VALUE_OFF
&& hw_conf->pwm2 == VALUE_ON)
else if(hw_conf->i2c3 == VALUE_OFF && hw_conf->pwm2 == VALUE_ON)
{
set_hw_property(working_fdt, "/spi@ff180030", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff070000", "status", "disabled", 9);
set_hw_property(working_fdt, "/pwm@ff180020", "status", "okay", 5);
}
else
{
set_hw_property(working_fdt, "/spi@ff180030", "status", "disabled", 9);
set_hw_property(working_fdt, "/i2c@ff070000", "status", "disabled", 9);
set_hw_property(working_fdt, "/pwm@ff180020", "status", "disabled", 9);
}

#endif
}
#endif
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