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/*
* (C) Copyright 2005
* Sangmoon Kim, Etin Systems. dogoil@etinsys.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>
#include <i2c.h>
#include <asm/processor.h>
int checkboard(void)
{
puts ("Board: KVME080\n");
return 0;
}
unsigned long setdram(int m, int row, int col, int bank)
{
int i;
unsigned long start, end;
uint32_t mccr1;
uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0;
uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0;
uint8_t mber = 0;
CONFIG_READ_WORD(MCCR1, mccr1);
mccr1 &= 0xffff0000;
start = CFG_SDRAM_BASE;
end = start + (1 << (col + row + 3) ) * bank - 1;
for (i = 0; i < m; i++) {
mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2;
if (i < 4) {
msar1 |= ((start >> 20) & 0xff) << i * 8;
emsar1 |= ((start >> 28) & 0xff) << i * 8;
mear1 |= ((end >> 20) & 0xff) << i * 8;
emear1 |= ((end >> 28) & 0xff) << i * 8;
} else {
msar2 |= ((start >> 20) & 0xff) << (i-4) * 8;
emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8;
mear2 |= ((end >> 20) & 0xff) << (i-4) * 8;
emear2 |= ((end >> 28) & 0xff) << (i-4) * 8;
}
mber |= 1 << i;
start += (1 << (col + row + 3) ) * bank;
end += (1 << (col + row + 3) ) * bank;
}
for (; i < 8; i++) {
if (i < 4) {
msar1 |= 0xff << i * 8;
emsar1 |= 0x30 << i * 8;
mear1 |= 0xff << i * 8;
emear1 |= 0x30 << i * 8;
} else {
msar2 |= 0xff << (i-4) * 8;
emsar2 |= 0x30 << (i-4) * 8;
mear2 |= 0xff << (i-4) * 8;
emear2 |= 0x30 << (i-4) * 8;
}
}
CONFIG_WRITE_WORD(MCCR1, mccr1);
CONFIG_WRITE_WORD(MSAR1, msar1);
CONFIG_WRITE_WORD(EMSAR1, emsar1);
CONFIG_WRITE_WORD(MEAR1, mear1);
CONFIG_WRITE_WORD(EMEAR1, emear1);
CONFIG_WRITE_WORD(MSAR2, msar2);
CONFIG_WRITE_WORD(EMSAR2, emsar2);
CONFIG_WRITE_WORD(MEAR2, mear2);
CONFIG_WRITE_WORD(EMEAR2, emear2);
CONFIG_WRITE_BYTE(MBER, mber);
return (1 << (col + row + 3) ) * bank * m;
}
long int initdram(int board_type)
{
unsigned int msr;
long int size = 0;
msr = mfmsr();
mtmsr(msr & ~(MSR_IR | MSR_DR));
mtspr(IBAT2L, CFG_IBAT0L + 0x10000000);
mtspr(IBAT2U, CFG_IBAT0U + 0x10000000);
mtspr(DBAT2L, CFG_DBAT0L + 0x10000000);
mtspr(DBAT2U, CFG_DBAT0U + 0x10000000);
mtmsr(msr);
if (setdram(2,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x20000000))
size = 0x20000000; /* 512MB */
else if (setdram(1,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000))
size = 0x10000000; /* 256MB */
else if (setdram(2,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000))
size = 0x10000000; /* 256MB */
else if (setdram(1,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000))
size = 0x08000000; /* 128MB */
else if (setdram(2,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000))
size = 0x08000000; /* 128MB */
else if (setdram(1,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x04000000))
size = 0x04000000; /* 64MB */
msr = mfmsr();
mtmsr(msr & ~(MSR_IR | MSR_DR));
mtspr(IBAT2L, CFG_IBAT2L);
mtspr(IBAT2U, CFG_IBAT2U);
mtspr(DBAT2L, CFG_DBAT2L);
mtspr(DBAT2U, CFG_DBAT2U);
mtmsr(msr);
return size;
}
struct pci_controller hose;
void pci_init_board(void)
{
pci_mpc824x_init(&hose);
}
int board_early_init_f(void)
{
*(volatile unsigned char *)(0xff080120) = 0xfb;
return 0;
}
int board_early_init_r(void)
{
unsigned int msr;
CONFIG_WRITE_WORD(ERCR1, 0x95ff8000);
CONFIG_WRITE_WORD(ERCR3, 0x0c00000e);
CONFIG_WRITE_WORD(ERCR4, 0x0800000e);
msr = mfmsr();
mtmsr(msr & ~(MSR_IR | MSR_DR));
mtspr(IBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
mtspr(IBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
mtspr(DBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
mtspr(DBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
mtmsr(msr);
return 0;
}
extern int multiverse_init(void);
int misc_init_r(void)
{
multiverse_init();
return 0;
}
void *nvram_read(void *dest, const long src, size_t count)
{
volatile uchar *d = (volatile uchar*) dest;
volatile uchar *s = (volatile uchar*) src;
while(count--) {
*d++ = *s++;
asm volatile("sync");
}
return dest;
}
void nvram_write(long dest, const void *src, size_t count)
{
volatile uchar *d = (volatile uchar*)dest;
volatile uchar *s = (volatile uchar*)src;
while(count--) {
*d++ = *s++;
asm volatile("sync");
}
}
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