mirror of https://gitee.com/openkylin/linux.git
38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
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/*
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* arch/ppc/boot/simple/misc-katana.c
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*
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* Set up MPSC values to bootwrapper can prompt user.
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*
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* Author: Mark A. Greer <source@mvista.com>
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*
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* 2004 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/config.h>
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#include <linux/types.h>
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#include <asm/io.h>
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#include <asm/mv64x60_defs.h>
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#include <platforms/katana.h>
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extern u32 mv64x60_console_baud;
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extern u32 mv64x60_mpsc_clk_src;
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extern u32 mv64x60_mpsc_clk_freq;
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/* Not in the kernel so won't include kernel.h to get its 'min' definition */
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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void
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mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
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{
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mv64x60_console_baud = KATANA_DEFAULT_BAUD;
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mv64x60_mpsc_clk_src = KATANA_MPSC_CLK_SRC;
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mv64x60_mpsc_clk_freq =
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min(katana_bus_freq((void __iomem *)KATANA_CPLD_BASE),
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MV64x60_TCLK_FREQ_MAX);
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}
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