u-boot/board/trizepsiv/conxs.c
Stefano Babic 040f8f63e9 xscale: add support for the polaris board
The Polaris board is based on the TrizepsIV module of
Keith & Koep (http://www.keith-koep.com).

Signed-off-by: Stefano Babic <sbabic@denx.de>
2009-07-06 21:52:58 +02:00

157 lines
3.6 KiB
C

/*
* (C) Copyright 2007
* Stefano Babic, DENX Gmbh, sbabic@denx.de
*
* (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/pxa-regs.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
#define RH_A_PSM (1 << 8) /* power switching mode */
#define RH_A_NPS (1 << 9) /* no power switching */
extern struct serial_device serial_ffuart_device;
extern struct serial_device serial_btuart_device;
extern struct serial_device serial_stuart_device;
#if CONFIG_POLARIS
#define BOOT_CONSOLE "serial_stuart"
#else
#define BOOT_CONSOLE "serial_ffuart"
#endif
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int usb_board_init(void)
{
UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
UHCHR |= UHCHR_FSBIR;
while (UHCHR & UHCHR_FSBIR);
UHCHR &= ~UHCHR_SSE;
UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE);
/* Clear any OTG Pin Hold */
if (PSSR & PSSR_OTGPH)
PSSR |= PSSR_OTGPH;
UHCRHDA &= ~(RH_A_NPS);
UHCRHDA |= RH_A_PSM;
/* Set port power control mask bits, only 3 ports. */
UHCRHDB |= (0x7<<17);
return 0;
}
void usb_board_init_fail(void)
{
return;
}
void usb_board_stop(void)
{
UHCHR |= UHCHR_FHR;
udelay(11);
UHCHR &= ~UHCHR_FHR;
UHCCOMS |= 1;
udelay(10);
CKEN &= ~CKEN10_USBHOST;
return;
}
int board_init (void)
{
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of ConXS Board */
gd->bd->bi_arch_number = 776;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa000003c;
return 0;
}
int board_late_init(void)
{
#if defined(CONFIG_SERIAL_MULTI)
char *console=getenv("boot_console");
if ((console == NULL) || (strcmp(console,"serial_btuart") &&
strcmp(console,"serial_stuart") &&
strcmp(console,"serial_ffuart"))) {
console = BOOT_CONSOLE;
}
setenv("stdout",console);
setenv("stdin", console);
setenv("stderr",console);
#endif
return 0;
}
struct serial_device *default_serial_console (void)
{
return &serial_ffuart_device;
}
int dram_init (void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
return 0;
}
#ifdef CONFIG_DRIVER_DM9000
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif