mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-17 15:38:51 +09:00
128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
|
|
*
|
|
* 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 <mpc824x.h>
|
|
#include <pci.h>
|
|
|
|
int checkboard (void)
|
|
{
|
|
/*TODO: Check processor type */
|
|
|
|
puts ( "Board: Sandpoint "
|
|
#ifdef CONFIG_MPC8240
|
|
"8240"
|
|
#endif
|
|
#ifdef CONFIG_MPC8245
|
|
"8245"
|
|
#endif
|
|
" Unity ##Test not implemented yet##\n");
|
|
return 0;
|
|
}
|
|
|
|
#if 0 /* NOT USED */
|
|
int checkflash (void)
|
|
{
|
|
/* TODO: XXX XXX XXX */
|
|
printf ("## Test not implemented yet ##\n");
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
long int initdram (int board_type)
|
|
{
|
|
int i, cnt;
|
|
volatile uchar * base= CFG_SDRAM_BASE;
|
|
volatile ulong * addr;
|
|
ulong save[32];
|
|
ulong val, ret = 0;
|
|
|
|
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) {
|
|
addr = (volatile ulong *)base + cnt;
|
|
save[i++] = *addr;
|
|
*addr = ~cnt;
|
|
}
|
|
|
|
addr = (volatile ulong *)base;
|
|
save[i] = *addr;
|
|
*addr = 0;
|
|
|
|
if (*addr != 0) {
|
|
*addr = save[i];
|
|
goto Done;
|
|
}
|
|
|
|
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
|
|
addr = (volatile ulong *)base + cnt;
|
|
val = *addr;
|
|
*addr = save[--i];
|
|
if (val != ~cnt) {
|
|
ulong new_bank0_end = cnt * sizeof(long) - 1;
|
|
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
|
|
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
|
|
mear1 = (mear1 & 0xFFFFFF00) |
|
|
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
|
|
emear1 = (emear1 & 0xFFFFFF00) |
|
|
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
|
|
mpc824x_mpc107_setreg(MEAR1, mear1);
|
|
mpc824x_mpc107_setreg(EMEAR1, emear1);
|
|
|
|
ret = cnt * sizeof(long);
|
|
goto Done;
|
|
}
|
|
}
|
|
|
|
ret = CFG_MAX_RAM_SIZE;
|
|
Done:
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Initialize PCI Devices, report devices found.
|
|
*/
|
|
#ifndef CONFIG_PCI_PNP
|
|
static struct pci_config_table pci_sandpoint_config_table[] = {
|
|
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
|
|
pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
|
|
PCI_ENET0_MEMADDR,
|
|
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
|
|
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x10, PCI_ANY_ID,
|
|
pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
|
|
PCI_ENET1_MEMADDR,
|
|
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
|
|
{ }
|
|
};
|
|
#endif
|
|
|
|
struct pci_controller hose = {
|
|
#ifndef CONFIG_PCI_PNP
|
|
config_table: pci_sandpoint_config_table,
|
|
#endif
|
|
};
|
|
|
|
void pci_init_board(void)
|
|
{
|
|
pci_mpc824x_init(&hose);
|
|
}
|