提交 79c0ff2c 编写于 作者: A Alexander Graf

PPC: e500: Only create dt entries for existing serial ports

When the user specifies -nodefaults he can tell us that he doesn't want any
serial ports spawned by default. While we do honor that wish, we still create
device tree entries for those non-existent devices.

Make device tree generation depend on whether the device is actually available.
Signed-off-by: NAlexander Graf <agraf@suse.de>
上级 9a321e92
......@@ -316,10 +316,15 @@ static int ppce500_load_device_tree(MachineState *machine,
* device it finds in the dt as serial output device. And we generate
* devices in reverse order to the dt.
*/
dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
soc, mpic, "serial1", 1, false);
dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
soc, mpic, "serial0", 0, true);
if (serial_hds[1]) {
dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
soc, mpic, "serial1", 1, false);
}
if (serial_hds[0]) {
dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
soc, mpic, "serial0", 0, true);
}
snprintf(gutil, sizeof(gutil), "%s/global-utilities@%llx", soc,
MPC8544_UTIL_OFFSET);
......
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