Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | |
| 14 | #include <linux/config.h> |
| 15 | #include <linux/types.h> |
| 16 | #include <asm/io.h> |
| 17 | #include <asm/mv64x60_defs.h> |
| 18 | #include <platforms/katana.h> |
| 19 | |
| 20 | extern u32 mv64x60_console_baud; |
| 21 | extern u32 mv64x60_mpsc_clk_src; |
| 22 | extern u32 mv64x60_mpsc_clk_freq; |
| 23 | |
| 24 | /* Not in the kernel so won't include kernel.h to get its 'min' definition */ |
| 25 | #ifndef min |
| 26 | #define min(a,b) (((a) < (b)) ? (a) : (b)) |
| 27 | #endif |
| 28 | |
| 29 | void |
| 30 | mv64x60_board_init(void __iomem *old_base, void __iomem *new_base) |
| 31 | { |
| 32 | mv64x60_console_baud = KATANA_DEFAULT_BAUD; |
| 33 | mv64x60_mpsc_clk_src = KATANA_MPSC_CLK_SRC; |
| 34 | mv64x60_mpsc_clk_freq = |
| 35 | min(katana_bus_freq((void __iomem *)KATANA_CPLD_BASE), |
| 36 | MV64x60_TCLK_FREQ_MAX); |
| 37 | } |