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u-boot/board/mpc7448hpc2/mpc7448hpc2.c
roy zang 87c4db0969 Add mpc7448hpc2 (mpc7448 + tsi108) board associated code support. 
mpc7448hpc2 board support high level code:tsi108 init + mpc7448hpc2.

Signed-off-by: Alexandre Bounine <alexandreb@tundra.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
2006-11-02 18:59:15 +08:00

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/*
* (C) Copyright 2005 Freescale Semiconductor, Inc.
*
* Roy Zang <tie-fei.zang@freescale.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
*
* modifications for the Tsi108 Emul Board by avb@Tundra
*/
/*
* board support/init functions for the
* Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform).
*/
#include <common.h>
#include <74xx_7xx.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
extern void ft_cpu_setup(void *blob, bd_t *bd);
#endif
#undef DEBUG
extern void flush_data_cache(void);
extern void invalidate_l1_instruction_cache(void);
extern void tsi108_init_f(void);
int display_mem_map(void);
void after_reloc(ulong dest_addr)
{
DECLARE_GLOBAL_DATA_PTR;
/*
* Jump to the main U-Boot board init code
*/
board_init_r((gd_t *) gd, dest_addr);
/* NOTREACHED */
}
/*
* Check Board Identity:
*
* report board type
*/
int checkboard(void)
{
int l_type = 0;
printf("BOARD: %s\n", CFG_BOARD_NAME);
return (l_type);
}
/*
* Read Processor ID:
*
* report calling processor number
*/
int read_pid(void)
{
return 0; /* we are on single CPU platform for a while */
}
long int dram_size(int board_type)
{
return 0x20000000; /* 256M bytes */
}
long int initdram(int board_type)
{
return dram_size(board_type);
}
/* DRAM check routines copied from gw8260 */
#if defined (CFG_DRAM_TEST)
/*********************************************************************/
/* NAME: move64() - moves a double word (64-bit) */
/* */
/* DESCRIPTION: */
/* this function performs a double word move from the data at */
/* the source pointer to the location at the destination pointer. */
/* */
/* INPUTS: */
/* unsigned long long *src - pointer to data to move */
/* */
/* OUTPUTS: */
/* unsigned long long *dest - pointer to locate to move data */
/* */
/* RETURNS: */
/* None */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* May cloober fr0. */
/* */
/*********************************************************************/
static void move64(unsigned long long *src, unsigned long long *dest)
{
asm("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
"stfd 0, 0(4)" /* *dest = fpr0 */
: : :"fr0"); /* Clobbers fr0 */
return;
}
#if defined (CFG_DRAM_TEST_DATA)
unsigned long long pattern[] = {
0xaaaaaaaaaaaaaaaaULL,
0xccccccccccccccccULL,
0xf0f0f0f0f0f0f0f0ULL,
0xff00ff00ff00ff00ULL,
0xffff0000ffff0000ULL,
0xffffffff00000000ULL,
0x00000000ffffffffULL,
0x0000ffff0000ffffULL,
0x00ff00ff00ff00ffULL,
0x0f0f0f0f0f0f0f0fULL,
0x3333333333333333ULL,
0x5555555555555555ULL
};
/*********************************************************************/
/* NAME: mem_test_data() - test data lines for shorts and opens */
/* */
/* DESCRIPTION: */
/* Tests data lines for shorts and opens by forcing adjacent data */
/* to opposite states. Because the data lines could be routed in */
/* an arbitrary manner the must ensure test patterns ensure that */
/* every case is tested. By using the following series of binary */
/* patterns every combination of adjacent bits is test regardless */
/* of routing. */
/* */
/* ...101010101010101010101010 */
/* ...110011001100110011001100 */
/* ...111100001111000011110000 */
/* ...111111110000000011111111 */
/* */
/* Carrying this out, gives us six hex patterns as follows: */
/* */
/* 0xaaaaaaaaaaaaaaaa */
/* 0xcccccccccccccccc */
/* 0xf0f0f0f0f0f0f0f0 */
/* 0xff00ff00ff00ff00 */
/* 0xffff0000ffff0000 */
/* 0xffffffff00000000 */
/* */
/* The number test patterns will always be given by: */
/* */
/* log(base 2)(number data bits) = log2 (64) = 6 */
/* */
/* To test for short and opens to other signals on our boards. we */
/* simply */
/* test with the 1's complemnt of the paterns as well. */
/* */
/* OUTPUTS: */
/* Displays failing test pattern */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* Assumes only one one SDRAM bank */
/* */
/*********************************************************************/
int mem_test_data(void)
{
unsigned long long *pmem = (unsigned long long *)CFG_MEMTEST_START;
unsigned long long temp64;
int num_patterns = sizeof(pattern) / sizeof(pattern[0]);
int i;
unsigned int hi, lo;
for (i = 0; i < num_patterns; i++) {
move64(&(pattern[i]), pmem);
move64(pmem, &temp64);
/* hi = (temp64>>32) & 0xffffffff; */
/* lo = temp64 & 0xffffffff; */
/* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
hi = (pattern[i] >> 32) & 0xffffffff;
lo = pattern[i] & 0xffffffff;
/* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo); */
if (temp64 != pattern[i]) {
printf("\n Data Test Failed, pattern 0x%08x%08x",
hi, lo);
return 1;
}
}
return 0;
}
#endif /* CFG_DRAM_TEST_DATA */
#if defined (CFG_DRAM_TEST_ADDRESS)
/*********************************************************************/
/* NAME: mem_test_address() - test address lines */
/* */
/* DESCRIPTION: */
/* This function performs a test to verify that each word im */
/* memory is uniquly addressable. The test sequence is as follows: */
/* */
/* 1) write the address of each word to each word. */
/* 2) verify that each location equals its address */
/* */
/* OUTPUTS: */
/* Displays failing test pattern and address */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_test_address(void)
{
volatile unsigned int *pmem =
(volatile unsigned int *)CFG_MEMTEST_START;
const unsigned int size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 4;
unsigned int i;
/* write address to each location */
for (i = 0; i < size; i++) {
pmem[i] = i;
}
/* verify each loaction */
for (i = 0; i < size; i++) {
if (pmem[i] != i) {
printf("\n Address Test Failed at 0x%x", i);
return 1;
}
}
return 0;
}
#endif /* CFG_DRAM_TEST_ADDRESS */
#if defined (CFG_DRAM_TEST_WALK)
/*********************************************************************/
/* NAME: mem_march() - memory march */
/* */
/* DESCRIPTION: */
/* Marches up through memory. At each location verifies rmask if */
/* read = 1. At each location write wmask if write = 1. Displays */
/* failing address and pattern. */
/* */
/* INPUTS: */
/* volatile unsigned long long * base - start address of test */
/* unsigned int size - number of dwords(64-bit) to test */
/* unsigned long long rmask - read verify mask */
/* unsigned long long wmask - wrtie verify mask */
/* short read - verifies rmask if read = 1 */
/* short write - writes wmask if write = 1 */
/* */
/* OUTPUTS: */
/* Displays failing test pattern and address */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_march(volatile unsigned long long *base,
unsigned int size,
unsigned long long rmask,
unsigned long long wmask, short read, short write)
{
unsigned int i;
unsigned long long temp;
unsigned int hitemp, lotemp, himask, lomask;
for (i = 0; i < size; i++) {
if (read != 0) {
/* temp = base[i]; */
move64((unsigned long long *)&(base[i]), &temp);
if (rmask != temp) {
hitemp = (temp >> 32) & 0xffffffff;
lotemp = temp & 0xffffffff;
himask = (rmask >> 32) & 0xffffffff;
lomask = rmask & 0xffffffff;
printf("\n Walking one's test failed: \
address = 0x%08x," "\n\texpected \
0x%08x%08x, found 0x%08x%08x", i << 3,\
himask, lomask, hitemp, lotemp);
return 1;
}
}
if (write != 0) {
/* base[i] = wmask; */
move64(&wmask, (unsigned long long *)&(base[i]));
}
}
return 0;
}
#endif /* CFG_DRAM_TEST_WALK */
/*********************************************************************/
/* NAME: mem_test_walk() - a simple walking ones test */
/* */
/* DESCRIPTION: */
/* Performs a walking ones through entire physical memory. The */
/* test uses as series of memory marches, mem_march(), to verify */
/* and write the test patterns to memory. The test sequence is as */
/* follows: */
/* 1) march writing 0000...0001 */
/* 2) march verifying 0000...0001 , writing 0000...0010 */
/* 3) repeat step 2 shifting masks left 1 bit each time unitl */
/* the write mask equals 1000...0000 */
/* 4) march verifying 1000...0000 */
/* The test fails if any of the memory marches return a failure. */
/* */
/* OUTPUTS: */
/* Displays which pass on the memory test is executing */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_test_walk(void)
{
unsigned long long mask;
volatile unsigned long long *pmem =
(volatile unsigned long long *)CFG_MEMTEST_START;
const unsigned long size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 8;
unsigned int i;
mask = 0x01;
printf("Initial Pass");
mem_march(pmem, size, 0x0, 0x1, 0, 1);
printf("\b\b\b\b\b\b\b\b\b\b\b\b");
printf(" ");
printf(" ");
printf("\b\b\b\b\b\b\b\b\b\b\b\b");
for (i = 0; i < 63; i++) {
printf("Pass %2d", i + 2);
if (mem_march(pmem, size, mask, mask << 1, 1, 1) != 0) {
/*printf("mask: 0x%x, pass: %d, ", mask, i); */
return 1;
}
mask = mask << 1;
printf("\b\b\b\b\b\b\b");
}
printf("Last Pass");
if (mem_march(pmem, size, 0, mask, 0, 1) != 0) {
/* printf("mask: 0x%x", mask); */
return 1;
}
printf("\b\b\b\b\b\b\b\b\b");
printf(" ");
printf("\b\b\b\b\b\b\b\b\b");
return 0;
}
/*********************************************************************/
/* NAME: testdram() - calls any enabled memory tests */
/* */
/* DESCRIPTION: */
/* Runs memory tests if the environment test variables are set to */
/* 'y'. */
/* */
/* INPUTS: */
/* testdramdata - If set to 'y', data test is run. */
/* testdramaddress - If set to 'y', address test is run. */
/* testdramwalk - If set to 'y', walking ones test is run */
/* */
/* OUTPUTS: */
/* None */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int testdram(void)
{
char *s;
int rundata, runaddress, runwalk;
s = getenv("testdramdata");
rundata = (s && (*s == 'y')) ? 1 : 0;
s = getenv("testdramaddress");
runaddress = (s && (*s == 'y')) ? 1 : 0;
s = getenv("testdramwalk");
runwalk = (s && (*s == 'y')) ? 1 : 0;
/* rundata = 1; */
/* runaddress = 0; */
/* runwalk = 0; */
if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
printf("Testing RAM from 0x%08x to 0x%08x ... \
(don't panic... that will take a moment !!!!)\n", \
CFG_MEMTEST_START, CFG_MEMTEST_END);
}
#ifdef CFG_DRAM_TEST_DATA
if (rundata == 1) {
printf("Test DATA ... ");
if (mem_test_data () == 1) {
printf("failed \n");
return 1;
} else
printf("ok \n");
}
#endif
#ifdef CFG_DRAM_TEST_ADDRESS
if (runaddress == 1) {
printf("Test ADDRESS ... ");
if (mem_test_address () == 1) {
printf("failed \n");
return 1;
} else
printf("ok \n");
}
#endif
#ifdef CFG_DRAM_TEST_WALK
if (runwalk == 1) {
printf("Test WALKING ONEs ... ");
if (mem_test_walk() == 1) {
printf("failed \n");
return 1;
} else
printf("ok \n");
}
#endif
if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
printf("passed\n");
}
return 0;
}
#endif /* CFG_DRAM_TEST */
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
ft_cpu_setup(blob, bd);
p = ft_get_prop(blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
}
#endif
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