fs_uart_pd.h 1.5 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071
  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. #ifndef FS_UART_PD_H
  12. #define FS_UART_PD_H
  13. #include <asm/types.h>
  14. enum fs_uart_id {
  15. fsid_smc1_uart,
  16. fsid_smc2_uart,
  17. fsid_scc1_uart,
  18. fsid_scc2_uart,
  19. fsid_scc3_uart,
  20. fsid_scc4_uart,
  21. fs_uart_nr,
  22. };
  23. static inline int fs_uart_id_scc2fsid(int id)
  24. {
  25. return fsid_scc1_uart + id - 1;
  26. }
  27. static inline int fs_uart_id_fsid2scc(int id)
  28. {
  29. return id - fsid_scc1_uart + 1;
  30. }
  31. static inline int fs_uart_id_smc2fsid(int id)
  32. {
  33. return fsid_smc1_uart + id - 1;
  34. }
  35. static inline int fs_uart_id_fsid2smc(int id)
  36. {
  37. return id - fsid_smc1_uart + 1;
  38. }
  39. struct fs_uart_platform_info {
  40. void(*init_ioports)(struct fs_uart_platform_info *);
  41. /* device specific information */
  42. int fs_no; /* controller index */
  43. char fs_type[4]; /* controller type */
  44. u32 uart_clk;
  45. u8 tx_num_fifo;
  46. u8 tx_buf_size;
  47. u8 rx_num_fifo;
  48. u8 rx_buf_size;
  49. u8 brg;
  50. u8 clk_rx;
  51. u8 clk_tx;
  52. };
  53. static inline int fs_uart_get_id(struct fs_uart_platform_info *fpi)
  54. {
  55. if(strstr(fpi->fs_type, "SMC"))
  56. return fs_uart_id_smc2fsid(fpi->fs_no);
  57. if(strstr(fpi->fs_type, "SCC"))
  58. return fs_uart_id_scc2fsid(fpi->fs_no);
  59. return fpi->fs_no;
  60. }
  61. #endif