1 /*
2 * Platform information definitions for the CPM Uart driver.
3 *
4 * 2006 (c) MontaVista Software, Inc.
5 * Vitaly Bordug <vbordug@ru.mvista.com>
6 *
7 * This file is licensed under the terms of the GNU General Public License
8 * version 2. This program is licensed "as is" without any warranty of any
9 * kind, whether express or implied.
10 */
11
12 #ifndef FS_UART_PD_H
13 #define FS_UART_PD_H
14
15 #include <asm/types.h>
16
17 enum fs_uart_id {
18 fsid_smc1_uart,
19 fsid_smc2_uart,
20 fsid_scc1_uart,
21 fsid_scc2_uart,
22 fsid_scc3_uart,
23 fsid_scc4_uart,
24 fs_uart_nr,
25 };
26
fs_uart_id_scc2fsid(int id)27 static inline int fs_uart_id_scc2fsid(int id)
28 {
29 return fsid_scc1_uart + id - 1;
30 }
31
fs_uart_id_fsid2scc(int id)32 static inline int fs_uart_id_fsid2scc(int id)
33 {
34 return id - fsid_scc1_uart + 1;
35 }
36
fs_uart_id_smc2fsid(int id)37 static inline int fs_uart_id_smc2fsid(int id)
38 {
39 return fsid_smc1_uart + id - 1;
40 }
41
fs_uart_id_fsid2smc(int id)42 static inline int fs_uart_id_fsid2smc(int id)
43 {
44 return id - fsid_smc1_uart + 1;
45 }
46
47 struct fs_uart_platform_info {
48 void(*init_ioports)(struct fs_uart_platform_info *);
49 /* device specific information */
50 int fs_no; /* controller index */
51 char fs_type[4]; /* controller type */
52 u32 uart_clk;
53 u8 tx_num_fifo;
54 u8 tx_buf_size;
55 u8 rx_num_fifo;
56 u8 rx_buf_size;
57 u8 brg;
58 u8 clk_rx;
59 u8 clk_tx;
60 };
61
fs_uart_get_id(struct fs_uart_platform_info * fpi)62 static inline int fs_uart_get_id(struct fs_uart_platform_info *fpi)
63 {
64 if(strstr(fpi->fs_type, "SMC"))
65 return fs_uart_id_smc2fsid(fpi->fs_no);
66 if(strstr(fpi->fs_type, "SCC"))
67 return fs_uart_id_scc2fsid(fpi->fs_no);
68 return fpi->fs_no;
69 }
70
71 #endif
72