amigaoneg3se.c

u-boot 源代码

/*
 * (C) Copyright 2002
 * Hyperion Entertainment, [e-mail]
 * (C) Copyright 2006
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * 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
 */

#include <common.h>
#include <command.h>
#include <pci.h>
#include "articiaS.h"
#include "memio.h"
#include "via686.h"

__asm__(" .globl send_kb                   		    \n "
	"send_kb:                                           \n "
	"	lis     r9, 0xfe00                          \n "
	"						    \n "
	"	li      r4, 0x10        # retries           \n "
	"	mtctr   r4                                  \n "
	"						    \n "
	"idle:                                              \n "
	"	lbz     r4, 0x64(r9)                        \n "
	"	andi.   r4, r4, 0x02                        \n "
	"	bne     idle                                \n "

	"ready:                                             \n "
	"	stb     r3, 0x60(r9)                        \n "
	"						    \n "
	"check:                                             \n "
	"	lbz     r4, 0x64(r9)                        \n "
	"	andi.   r4, r4, 0x01                        \n "
	"	beq     check                               \n "
	"						    \n "
	"	lbz     r4, 0x60(r9)                        \n "
	"	cmpwi   r4, 0xfa                            \n "
	"	beq     done                                \n "

	"	bdnz    idle                                \n "

	"	li      r3, 0                               \n "
	"	blr                                         \n "

	"done:                                              \n "
	"	li      r3, 1                               \n "
	"	blr                                         \n "

	".globl test_kb                                     \n "
	"test_kb:                                           \n "
	"	mflr    r10                                 \n "
	"	li      r3, 0xed                            \n "
	"	bl      send_kb                             \n "
	"	li      r3, 0x01                            \n "
	"	bl      send_kb                             \n "
	"	mtlr    r10                                 \n "
	"	blr                                         "
);


int checkboard (void)
{
	printf ("Board: AmigaOneG3SE\n");
	return 0;
}

long initdram (int board_type)
{
	return articiaS_ram_init ();
}


void after_reloc (ulong dest_addr, gd_t *gd)
{
	board_init_r (gd, dest_addr);
}


int misc_init_r (void)
{
	extern pci_dev_t video_dev;
	extern void drv_video_init (void);

	if (video_dev != ~0)
		drv_video_init ();

	return (0);
}


void pci_init_board (void)
{
#ifndef CONFIG_RAMBOOT
	articiaS_pci_init ();
#endif
}