misc-katana.c 1.1 KB

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  1. /*
  2. * arch/ppc/boot/simple/misc-katana.c
  3. *
  4. * Set up MPSC values to bootwrapper can prompt user.
  5. *
  6. * Author: Mark A. Greer <source@mvista.com>
  7. *
  8. * 2004 (c) MontaVista Software, Inc. This file is licensed under
  9. * the terms of the GNU General Public License version 2. This program
  10. * is licensed "as is" without any warranty of any kind, whether express
  11. * or implied.
  12. */
  13. #include <linux/config.h>
  14. #include <linux/types.h>
  15. #include <asm/io.h>
  16. #include <asm/mv64x60_defs.h>
  17. #include <platforms/katana.h>
  18. extern u32 mv64x60_console_baud;
  19. extern u32 mv64x60_mpsc_clk_src;
  20. extern u32 mv64x60_mpsc_clk_freq;
  21. /* Not in the kernel so won't include kernel.h to get its 'min' definition */
  22. #ifndef min
  23. #define min(a,b) (((a) < (b)) ? (a) : (b))
  24. #endif
  25. unsigned long mv64360_get_mem_size(void);
  26. void
  27. mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
  28. {
  29. mv64x60_console_baud = KATANA_DEFAULT_BAUD;
  30. mv64x60_mpsc_clk_src = KATANA_MPSC_CLK_SRC;
  31. mv64x60_mpsc_clk_freq =
  32. min(katana_bus_freq((void __iomem *)KATANA_CPLD_BASE),
  33. MV64x60_TCLK_FREQ_MAX);
  34. }
  35. unsigned long
  36. get_mem_size(void)
  37. {
  38. return mv64360_get_mem_size();
  39. }