u-boot/arch/powerpc/lib/bat_rw.c
Stefan Roese a47a12becf Move arch/ppc to arch/powerpc
As discussed on the list, move "arch/ppc" to "arch/powerpc" to
better match the Linux directory structure.

Please note that this patch also changes the "ppc" target in
MAKEALL to "powerpc" to match this new infrastructure. But "ppc"
is kept as an alias for now, to not break compatibility with
scripts using this name.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Anatolij Gustschin <agust@denx.de>
2010-04-21 23:42:38 +02:00

260 lines
5.6 KiB
C

/*
* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.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 <asm/processor.h>
#include <asm/mmu.h>
#include <asm/io.h>
#ifdef CONFIG_ADDR_MAP
#include <addr_map.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower)
{
int batn = -1;
sync();
switch (bat) {
case DBAT0:
mtspr (DBAT0L, lower);
mtspr (DBAT0U, upper);
batn = 0;
break;
case IBAT0:
mtspr (IBAT0L, lower);
mtspr (IBAT0U, upper);
break;
case DBAT1:
mtspr (DBAT1L, lower);
mtspr (DBAT1U, upper);
batn = 1;
break;
case IBAT1:
mtspr (IBAT1L, lower);
mtspr (IBAT1U, upper);
break;
case DBAT2:
mtspr (DBAT2L, lower);
mtspr (DBAT2U, upper);
batn = 2;
break;
case IBAT2:
mtspr (IBAT2L, lower);
mtspr (IBAT2U, upper);
break;
case DBAT3:
mtspr (DBAT3L, lower);
mtspr (DBAT3U, upper);
batn = 3;
break;
case IBAT3:
mtspr (IBAT3L, lower);
mtspr (IBAT3U, upper);
break;
#ifdef CONFIG_HIGH_BATS
case DBAT4:
mtspr (DBAT4L, lower);
mtspr (DBAT4U, upper);
batn = 4;
break;
case IBAT4:
mtspr (IBAT4L, lower);
mtspr (IBAT4U, upper);
break;
case DBAT5:
mtspr (DBAT5L, lower);
mtspr (DBAT5U, upper);
batn = 5;
break;
case IBAT5:
mtspr (IBAT5L, lower);
mtspr (IBAT5U, upper);
break;
case DBAT6:
mtspr (DBAT6L, lower);
mtspr (DBAT6U, upper);
batn = 6;
break;
case IBAT6:
mtspr (IBAT6L, lower);
mtspr (IBAT6U, upper);
break;
case DBAT7:
mtspr (DBAT7L, lower);
mtspr (DBAT7U, upper);
batn = 7;
break;
case IBAT7:
mtspr (IBAT7L, lower);
mtspr (IBAT7U, upper);
break;
#endif
default:
return (-1);
}
#ifdef CONFIG_ADDR_MAP
if ((gd->flags & GD_FLG_RELOC) && (batn >= 0)) {
phys_size_t size;
if (!BATU_VALID(upper))
size = 0;
else
size = BATU_SIZE(upper);
addrmap_set_entry(BATU_VADDR(upper), BATL_PADDR(lower),
size, batn);
}
#endif
sync();
isync();
return (0);
}
int read_bat (ppc_bat_t bat, unsigned long *upper, unsigned long *lower)
{
unsigned long register u;
unsigned long register l;
switch (bat) {
case DBAT0:
l = mfspr (DBAT0L);
u = mfspr (DBAT0U);
break;
case IBAT0:
l = mfspr (IBAT0L);
u = mfspr (IBAT0U);
break;
case DBAT1:
l = mfspr (DBAT1L);
u = mfspr (DBAT1U);
break;
case IBAT1:
l = mfspr (IBAT1L);
u = mfspr (IBAT1U);
break;
case DBAT2:
l = mfspr (DBAT2L);
u = mfspr (DBAT2U);
break;
case IBAT2:
l = mfspr (IBAT2L);
u = mfspr (IBAT2U);
break;
case DBAT3:
l = mfspr (DBAT3L);
u = mfspr (DBAT3U);
break;
case IBAT3:
l = mfspr (IBAT3L);
u = mfspr (IBAT3U);
break;
#ifdef CONFIG_HIGH_BATS
case DBAT4:
l = mfspr (DBAT4L);
u = mfspr (DBAT4U);
break;
case IBAT4:
l = mfspr (IBAT4L);
u = mfspr (IBAT4U);
break;
case DBAT5:
l = mfspr (DBAT5L);
u = mfspr (DBAT5U);
break;
case IBAT5:
l = mfspr (IBAT5L);
u = mfspr (IBAT5U);
break;
case DBAT6:
l = mfspr (DBAT6L);
u = mfspr (DBAT6U);
break;
case IBAT6:
l = mfspr (IBAT6L);
u = mfspr (IBAT6U);
break;
case DBAT7:
l = mfspr (DBAT7L);
u = mfspr (DBAT7U);
break;
case IBAT7:
l = mfspr (IBAT7L);
u = mfspr (IBAT7U);
break;
#endif
default:
return (-1);
}
*upper = u;
*lower = l;
return (0);
}
void print_bats(void)
{
printf("BAT registers:\n");
printf ("\tIBAT0L = 0x%08X ", mfspr (IBAT0L));
printf ("\tIBAT0U = 0x%08X\n", mfspr (IBAT0U));
printf ("\tDBAT0L = 0x%08X ", mfspr (DBAT0L));
printf ("\tDBAT0U = 0x%08X\n", mfspr (DBAT0U));
printf ("\tIBAT1L = 0x%08X ", mfspr (IBAT1L));
printf ("\tIBAT1U = 0x%08X\n", mfspr (IBAT1U));
printf ("\tDBAT1L = 0x%08X ", mfspr (DBAT1L));
printf ("\tDBAT1U = 0x%08X\n", mfspr (DBAT1U));
printf ("\tIBAT2L = 0x%08X ", mfspr (IBAT2L));
printf ("\tIBAT2U = 0x%08X\n", mfspr (IBAT2U));
printf ("\tDBAT2L = 0x%08X ", mfspr (DBAT2L));
printf ("\tDBAT2U = 0x%08X\n", mfspr (DBAT2U));
printf ("\tIBAT3L = 0x%08X ", mfspr (IBAT3L));
printf ("\tIBAT3U = 0x%08X\n", mfspr (IBAT3U));
printf ("\tDBAT3L = 0x%08X ", mfspr (DBAT3L));
printf ("\tDBAT3U = 0x%08X\n", mfspr (DBAT3U));
#ifdef CONFIG_HIGH_BATS
printf ("\tIBAT4L = 0x%08X ", mfspr (IBAT4L));
printf ("\tIBAT4U = 0x%08X\n", mfspr (IBAT4U));
printf ("\tDBAT4L = 0x%08X ", mfspr (DBAT4L));
printf ("\tDBAT4U = 0x%08X\n", mfspr (DBAT4U));
printf ("\tIBAT5L = 0x%08X ", mfspr (IBAT5L));
printf ("\tIBAT5U = 0x%08X\n", mfspr (IBAT5U));
printf ("\tDBAT5L = 0x%08X ", mfspr (DBAT5L));
printf ("\tDBAT5U = 0x%08X\n", mfspr (DBAT5U));
printf ("\tIBAT6L = 0x%08X ", mfspr (IBAT6L));
printf ("\tIBAT6U = 0x%08X\n", mfspr (IBAT6U));
printf ("\tDBAT6L = 0x%08X ", mfspr (DBAT6L));
printf ("\tDBAT6U = 0x%08X\n", mfspr (DBAT6U));
printf ("\tIBAT7L = 0x%08X ", mfspr (IBAT7L));
printf ("\tIBAT7U = 0x%08X\n", mfspr (IBAT7U));
printf ("\tDBAT7L = 0x%08X ", mfspr (DBAT7L));
printf ("\tDBAT7U = 0x%08X\n", mfspr (DBAT7U));
#endif
}