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