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/*
* Copyright (C) 2003, Greg Watson <gwatson@lanl.gov>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Do very early board initialization:
*
* - Configure External Bus (EBC)
* - Setup Flash
* - Setup NVRTC
* - Setup Board Control and Status Registers (BCSR)
* - Enable UART0 for debugging
*/
#include <ppc_asm.tmpl>
#include <ppc.h>
#include <arch/io.h>
#include <printk.h>
#include <uart8250.h>
void pnp_output(char address, char data)
{
outb(address, PNP_CFGADDR);
outb(data, PNP_CFGDATA);
}
void
board_init(void)
{
}
void
board_init2(void)
{
/*
* Enable UART0
*
* NOTE: this configuration assumes that the PCI/ISA IO
* address space is properly configured by default on board
* reset. While this seems to be the case with the X3, it may not
* always work.
*/
pnp_output(0x07, 6); /* LD 6 = UART0 */
pnp_output(0x30, 0); /* Dectivate */
pnp_output(0x60, TTYS0_BASE >> 8); /* IO Base */
pnp_output(0x61, TTYS0_BASE & 0xFF); /* IO Base */
pnp_output(0x30, 1); /* Activate */
uart8250_init(TTYS0_BASE, 115200/TTYS0_BAUD, TTYS0_LCS);
printk_info("Sandpoint initialized...\n");
}
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