upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
179 lines
5.7 KiB
179 lines
5.7 KiB
/*
|
|
Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
|
|
|
|
Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
|
|
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
|
|
are GPL, so this is, of course, GPL.
|
|
|
|
==========================================================================
|
|
|
|
dev/dp83902a.h
|
|
|
|
National Semiconductor DP83902a ethernet chip
|
|
|
|
==========================================================================
|
|
####ECOSGPLCOPYRIGHTBEGIN####
|
|
-------------------------------------------
|
|
This file is part of eCos, the Embedded Configurable Operating System.
|
|
Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
|
|
|
eCos 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 or (at your option) any later version.
|
|
|
|
eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
|
|
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
|
|
As a special exception, if other files instantiate templates or use macros
|
|
or inline functions from this file, or you compile this file and link it
|
|
with other works to produce a work based on this file, this file does not
|
|
by itself cause the resulting work to be covered by the GNU General Public
|
|
License. However the source code for this file must still be made available
|
|
in accordance with section (3) of the GNU General Public License.
|
|
|
|
This exception does not invalidate any other reasons why a work based on
|
|
this file might be covered by the GNU General Public License.
|
|
|
|
Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
|
|
at http://sources.redhat.com/ecos/ecos-license/
|
|
-------------------------------------------
|
|
####ECOSGPLCOPYRIGHTEND####
|
|
####BSDCOPYRIGHTBEGIN####
|
|
|
|
-------------------------------------------
|
|
|
|
Portions of this software may have been derived from OpenBSD or other sources,
|
|
and are covered by the appropriate copyright disclaimers included herein.
|
|
|
|
-------------------------------------------
|
|
|
|
####BSDCOPYRIGHTEND####
|
|
==========================================================================
|
|
#####DESCRIPTIONBEGIN####
|
|
|
|
Author(s): gthomas
|
|
Contributors: gthomas, jskov
|
|
Date: 2001-06-13
|
|
Purpose:
|
|
Description:
|
|
|
|
####DESCRIPTIONEND####
|
|
|
|
==========================================================================
|
|
*/
|
|
|
|
/*
|
|
* NE2000 support header file.
|
|
* Created by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
|
|
*/
|
|
|
|
#ifndef __DRIVERS_NE2000_H__
|
|
#define __DRIVERS_NE2000_H__
|
|
|
|
/* Enable NE2000 basic init function */
|
|
#define NE2000_BASIC_INIT
|
|
|
|
#define DP_DATA 0x10
|
|
#define START_PG 0x50 /* First page of TX buffer */
|
|
#define STOP_PG 0x80 /* Last page +1 of RX ring */
|
|
|
|
#define RX_START 0x50
|
|
#define RX_END 0x80
|
|
|
|
#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_)))
|
|
#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_)
|
|
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_)))
|
|
#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_)
|
|
|
|
static void pcnet_reset_8390(void)
|
|
{
|
|
int i, r;
|
|
|
|
PRINTK("nic base is %lx\n", nic_base);
|
|
|
|
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
|
|
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
|
|
n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD);
|
|
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
|
|
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
|
|
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
|
|
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
|
|
|
|
n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
|
|
break;
|
|
PRINTK("got %x in reset\n", r);
|
|
udelay(100);
|
|
}
|
|
n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */
|
|
|
|
if (i == 100)
|
|
printf("pcnet_reset_8390() did not complete.\n");
|
|
} /* pcnet_reset_8390 */
|
|
|
|
int get_prom(u8* mac_addr)
|
|
{
|
|
u8 prom[32];
|
|
int i, j;
|
|
struct {
|
|
u_char value, offset;
|
|
} program_seq[] = {
|
|
{E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
|
|
{0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */
|
|
{0x00, EN0_RCNTLO}, /* Clear the count regs. */
|
|
{0x00, EN0_RCNTHI},
|
|
{0x00, EN0_IMR}, /* Mask completion irq. */
|
|
{0xFF, EN0_ISR},
|
|
{E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
|
|
{E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
|
|
{32, EN0_RCNTLO},
|
|
{0x00, EN0_RCNTHI},
|
|
{0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
|
|
{0x00, EN0_RSARHI},
|
|
{E8390_RREAD+E8390_START, E8390_CMD},
|
|
};
|
|
|
|
PRINTK ("trying to get MAC via prom reading\n");
|
|
|
|
pcnet_reset_8390 ();
|
|
|
|
mdelay (10);
|
|
|
|
for (i = 0; i < sizeof (program_seq) / sizeof (program_seq[0]); i++)
|
|
n2k_outb (program_seq[i].value, program_seq[i].offset);
|
|
|
|
PRINTK ("PROM:");
|
|
for (i = 0; i < 32; i++) {
|
|
prom[i] = n2k_inb (PCNET_DATAPORT);
|
|
PRINTK (" %02x", prom[i]);
|
|
}
|
|
PRINTK ("\n");
|
|
for (i = 0; i < NR_INFO; i++) {
|
|
if ((prom[0] == hw_info[i].a0) &&
|
|
(prom[2] == hw_info[i].a1) &&
|
|
(prom[4] == hw_info[i].a2)) {
|
|
PRINTK ("matched board %d\n", i);
|
|
break;
|
|
}
|
|
}
|
|
if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) {
|
|
PRINTK ("on exit i is %d/%ld\n", i, NR_INFO);
|
|
PRINTK ("MAC address is ");
|
|
for (j = 0; j < 6; j++) {
|
|
mac_addr[j] = prom[j << 1];
|
|
PRINTK ("%02x:", mac_addr[i]);
|
|
}
|
|
PRINTK ("\n");
|
|
return (i < NR_INFO) ? i : 0;
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif /* __DRIVERS_NE2000_H__ */
|
|
|