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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/io.h>
#include <linux/compiler.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)
{
__maybe_unused 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
}
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