xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/serial.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  */
4*4882a593Smuzhiyun #ifndef _ASM_POWERPC_SERIAL_H
5*4882a593Smuzhiyun #define _ASM_POWERPC_SERIAL_H
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun /*
8*4882a593Smuzhiyun  * Serial ports are not listed here, because they are discovered
9*4882a593Smuzhiyun  * through the device tree.
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun /* Default baud base if not found in device-tree */
13*4882a593Smuzhiyun #define BASE_BAUD ( 1843200 / 16 )
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #ifdef CONFIG_PPC_UDBG_16550
16*4882a593Smuzhiyun extern void find_legacy_serial_ports(void);
17*4882a593Smuzhiyun #else
18*4882a593Smuzhiyun #define find_legacy_serial_ports()	do { } while (0)
19*4882a593Smuzhiyun #endif
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #endif /* _PPC64_SERIAL_H */
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