36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
|
/*
|
||
|
|
* arch/ppc/boot/simple/misc-chestnut.c
|
||
|
|
*
|
||
|
|
* Setup for the IBM Chestnut (ibm-750fxgx_eval)
|
||
|
|
*
|
||
|
|
* Author: Mark A. Greer <mgreer@mvista.com>
|
||
|
|
*
|
||
|
|
* 2005 (c) MontaVista Software, Inc. This file is licensed under
|
||
|
|
* the terms of the GNU General Public License version 2. This program
|
||
|
|
* is licensed "as is" without any warranty of any kind, whether express
|
||
|
|
* or implied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/config.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/mv64x60_defs.h>
|
||
|
|
#include <platforms/chestnut.h>
|
||
|
|
|
||
|
|
/* Not in the kernel so won't include kernel.h to get its 'max' definition */
|
||
|
|
#define max(a,b) (((a) > (b)) ? (a) : (b))
|
||
|
|
|
||
|
|
void
|
||
|
|
mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_SERIAL_8250_CONSOLE
|
||
|
|
/*
|
||
|
|
* Change device bus 2 window so that bootoader can do I/O thru
|
||
|
|
* 8250/16550 UART that's mapped in that window.
|
||
|
|
*/
|
||
|
|
out_le32(new_base + MV64x60_CPU2DEV_2_BASE, CHESTNUT_UART_BASE >> 16);
|
||
|
|
out_le32(new_base + MV64x60_CPU2DEV_2_SIZE, CHESTNUT_UART_SIZE >> 16);
|
||
|
|
__asm__ __volatile__("sync");
|
||
|
|
#endif
|
||
|
|
}
|