u-boot/board/vpac270/vpac270.c

134 lines
3.1 KiB
C
Raw Normal View History

/*
* (C) Copyright 2004
* Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* 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 <asm/arch/hardware.h>
#include <netdev.h>
#include <serial.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
extern struct serial_device serial_ffuart_device;
extern struct serial_device serial_btuart_device;
extern struct serial_device serial_stuart_device;
struct serial_device *default_serial_console (void)
{
return &serial_ffuart_device;
}
int board_init (void)
{
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of vpac270 */
gd->bd->bi_arch_number = MACH_TYPE_VPAC270;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa0000100;
return 0;
}
int dram_init (void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
return 0;
}
int usb_board_init(void)
{
writel((UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
UHCHR);
writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
while (readl(UHCHR) & UHCHR_FSBIR)
;
writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
/* Clear any OTG Pin Hold */
if (readl(PSSR) & PSSR_OTGPH)
writel(readl(PSSR) | PSSR_OTGPH, PSSR);
writel(readl(UHCRHDA) & ~(0x200), UHCRHDA);
writel(readl(UHCRHDA) | 0x100, UHCRHDA);
/* Set port power control mask bits, only 3 ports. */
writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
/* enable port 2 */
writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
return 0;
}
void usb_board_init_fail(void)
{
return;
}
void usb_board_stop(void)
{
writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
udelay(11);
writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
writel(readl(UHCCOMS) | 1, UHCCOMS);
udelay(10);
writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
return;
}
#ifdef CONFIG_DRIVER_DM9000
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif