diff options
Diffstat (limited to 'arch/ppc/boot/simple/misc-chestnut.c')
| -rw-r--r-- | arch/ppc/boot/simple/misc-chestnut.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/ppc/boot/simple/misc-chestnut.c b/arch/ppc/boot/simple/misc-chestnut.c new file mode 100644 index 000000000000..0dce7f3557e4 --- /dev/null +++ b/arch/ppc/boot/simple/misc-chestnut.c @@ -0,0 +1,35 @@ +/* + * 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 +} |