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36 lines
1.0 KiB
36 lines
1.0 KiB
20 years ago
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/*
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* arch/ppc/boot/simple/misc-chestnut.c
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*
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* Setup for the IBM Chestnut (ibm-750fxgx_eval)
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*
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* Author: Mark A. Greer <mgreer@mvista.com>
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*
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* 2005 (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/chestnut.h>
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/* Not in the kernel so won't include kernel.h to get its 'max' definition */
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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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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#ifdef CONFIG_SERIAL_8250_CONSOLE
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/*
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* Change device bus 2 window so that bootoader can do I/O thru
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* 8250/16550 UART that's mapped in that window.
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*/
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out_le32(new_base + MV64x60_CPU2DEV_2_BASE, CHESTNUT_UART_BASE >> 16);
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out_le32(new_base + MV64x60_CPU2DEV_2_SIZE, CHESTNUT_UART_SIZE >> 16);
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__asm__ __volatile__("sync");
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#endif
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}
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