+++ /dev/null
-/*
- * (C) Copyright 2001
- * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
- *
- * 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
- *
- */
-
-/* NOT Used yet...
- add following code to PIP405.c :
-int testdram (void)
-{
- unsigned char s[32];
- int i;
-
- i = getenv_f("testmem", s, 32);
- if (i != 0) {
- i = (int) simple_strtoul (s, NULL, 10);
- if ((i > 0) && (i < 0xf)) {
- printf ("testing ");
- i = mem_test (0, ramsize, i);
- if (i > 0)
- printf ("ERROR ");
- else
- printf ("Ok ");
- }
- }
- return (1);
-}
-*/
-
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/ppc4xx-i2c.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define FALSE 0
-#define TRUE 1
-
-#define TEST_QUIET 8
-#define TEST_SHOW_PROG 4
-#define TEST_SHOW_ERR 2
-#define TEST_SHOW_ALL 1
-
-#define TESTPAT1 0xAA55AA55
-#define TESTPAT2 0x55AA55AA
-#define TEST_PASSED 0
-#define TEST_FAILED 1
-#define MEGABYTE (1024*1024)
-
-
-typedef struct {
- volatile unsigned long pat1;
- volatile unsigned long pat2;
-} RAM_MEMTEST_PATTERN2;
-
-typedef struct {
- volatile unsigned long addr;
-} RAM_MEMTEST_ADDRLINE;
-
-static __inline unsigned long Swap_32 (unsigned long val)
-{
- return (((val << 16) & 0xFFFF0000) | ((val >> 16) & 0x0000FFFF));
-}
-
-void testm_puts (int quiet, char *buf)
-{
- if ((quiet & TEST_SHOW_ALL) == TEST_SHOW_ALL)
- puts (buf);
-}
-
-
-void Write_Error (int mode, unsigned long addr, unsigned long expected,
- unsigned long actual)
-{
-
- char dispbuf[64];
-
- sprintf (dispbuf, "\n ERROR @ 0x%08lX: (exp: 0x%08lX act: 0x%08lX) ",
- addr, expected, actual);
- testm_puts (((mode & TEST_SHOW_ERR) ==
- TEST_SHOW_ERR) ? TEST_SHOW_ALL : mode, dispbuf);
-}
-
-
-/*
- * fills the memblock of <size> bytes from <startaddr> with pat1 and pat2
- */
-
-
-void RAM_MemTest_WritePattern2 (unsigned long startaddr,
- unsigned long size, unsigned long pat1,
- unsigned long pat2)
-{
- RAM_MEMTEST_PATTERN2 *p, *pe;
-
- p = (RAM_MEMTEST_PATTERN2 *) startaddr;
- pe = (RAM_MEMTEST_PATTERN2 *) (startaddr + size);
-
- while (p < pe) {
- p->pat1 = pat1;
- p->pat2 = pat2;
- p++;
- } /* endwhile */
-}
-
-/*
- * checks the memblock of <size> bytes from <startaddr> with pat1 and pat2
- * returns the address of the first error or NULL if all is well
- */
-
-void *RAM_MemTest_CheckPattern2 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long pat1,
- unsigned long pat2)
-{
- RAM_MEMTEST_PATTERN2 *p, *pe;
- unsigned long actual1, actual2;
-
- p = (RAM_MEMTEST_PATTERN2 *) startaddr;
- pe = (RAM_MEMTEST_PATTERN2 *) (startaddr + size);
-
- while (p < pe) {
- actual1 = p->pat1;
- actual2 = p->pat2;
-
- if (actual1 != pat1) {
- Write_Error (mode, (unsigned long) &(p->pat1), pat1, actual1);
- return ((void *) &(p->pat1));
- }
- /* endif */
- if (actual2 != pat2) {
- Write_Error (mode, (unsigned long) &(p->pat2), pat2, actual2);
- return ((void *) &(p->pat2));
- }
- /* endif */
- p++;
- } /* endwhile */
-
- return (NULL);
-}
-
-/*
- * fills the memblock of <size> bytes from <startaddr> with the address
- */
-
-void RAM_MemTest_WriteAddrLine (unsigned long startaddr,
- unsigned long size, int swapped)
-{
- RAM_MEMTEST_ADDRLINE *p, *pe;
-
- p = (RAM_MEMTEST_ADDRLINE *) startaddr;
- pe = (RAM_MEMTEST_ADDRLINE *) (startaddr + size);
-
- if (!swapped) {
- while (p < pe) {
- p->addr = (unsigned long) p;
- p++;
- } /* endwhile */
- } else {
- while (p < pe) {
- p->addr = Swap_32 ((unsigned long) p);
- p++;
- } /* endwhile */
- } /* endif */
-}
-
-/*
- * checks the memblock of <size> bytes from <startaddr>
- * returns the address of the error or NULL if all is well
- */
-
-void *RAM_MemTest_CheckAddrLine (int mode, unsigned long startaddr,
- unsigned long size, int swapped)
-{
- RAM_MEMTEST_ADDRLINE *p, *pe;
- unsigned long actual, expected;
-
- p = (RAM_MEMTEST_ADDRLINE *) startaddr;
- pe = (RAM_MEMTEST_ADDRLINE *) (startaddr + size);
-
- if (!swapped) {
- while (p < pe) {
- actual = p->addr;
- expected = (unsigned long) p;
- if (actual != expected) {
- Write_Error (mode, (unsigned long) &(p->addr), expected,
- actual);
- return ((void *) &(p->addr));
- } /* endif */
- p++;
- } /* endwhile */
- } else {
- while (p < pe) {
- actual = p->addr;
- expected = Swap_32 ((unsigned long) p);
- if (actual != expected) {
- Write_Error (mode, (unsigned long) &(p->addr), expected,
- actual);
- return ((void *) &(p->addr));
- } /* endif */
- p++;
- } /* endwhile */
- } /* endif */
-
- return (NULL);
-}
-
-/*
- * checks the memblock of <size> bytes from <startaddr+size>
- * returns the address of the error or NULL if all is well
- */
-
-void *RAM_MemTest_CheckAddrLineReverse (int mode, unsigned long startaddr,
- unsigned long size, int swapped)
-{
- RAM_MEMTEST_ADDRLINE *p, *pe;
- unsigned long actual, expected;
-
- p = (RAM_MEMTEST_ADDRLINE *) (startaddr + size - sizeof (p->addr));
- pe = (RAM_MEMTEST_ADDRLINE *) startaddr;
-
- if (!swapped) {
- while (p > pe) {
- actual = p->addr;
- expected = (unsigned long) p;
- if (actual != expected) {
- Write_Error (mode, (unsigned long) &(p->addr), expected,
- actual);
- return ((void *) &(p->addr));
- } /* endif */
- p--;
- } /* endwhile */
- } else {
- while (p > pe) {
- actual = p->addr;
- expected = Swap_32 ((unsigned long) p);
- if (actual != expected) {
- Write_Error (mode, (unsigned long) &(p->addr), expected,
- actual);
- return ((void *) &(p->addr));
- } /* endif */
- p--;
- } /* endwhile */
- } /* endif */
-
- return (NULL);
-}
-
-/*
- * fills the memblock of <size> bytes from <startaddr> with walking bit pattern
- */
-
-void RAM_MemTest_WriteWalkBit (unsigned long startaddr, unsigned long size)
-{
- volatile unsigned long *p, *pe;
- unsigned long i;
-
- p = (unsigned long *) startaddr;
- pe = (unsigned long *) (startaddr + size);
- i = 0;
-
- while (p < pe) {
- *p = 1UL << i;
- i = (i + 1 + (((unsigned long) p) >> 7)) % 32;
- p++;
- } /* endwhile */
-}
-
-/*
- * checks the memblock of <size> bytes from <startaddr>
- * returns the address of the error or NULL if all is well
- */
-
-void *RAM_MemTest_CheckWalkBit (int mode, unsigned long startaddr,
- unsigned long size)
-{
- volatile unsigned long *p, *pe;
- unsigned long actual, expected;
- unsigned long i;
-
- p = (unsigned long *) startaddr;
- pe = (unsigned long *) (startaddr + size);
- i = 0;
-
- while (p < pe) {
- actual = *p;
- expected = (1UL << i);
- if (actual != expected) {
- Write_Error (mode, (unsigned long) p, expected, actual);
- return ((void *) p);
- } /* endif */
- i = (i + 1 + (((unsigned long) p) >> 7)) % 32;
- p++;
- } /* endwhile */
-
- return (NULL);
-}
-
-/*
- * fills the memblock of <size> bytes from <startaddr> with "random" pattern
- */
-
-void RAM_MemTest_WriteRandomPattern (unsigned long startaddr,
- unsigned long size,
- unsigned long *pat)
-{
- unsigned long i, p;
-
- p = *pat;
-
- for (i = 0; i < (size / 4); i++) {
- *(unsigned long *) (startaddr + i * 4) = p;
- if ((p % 2) > 0) {
- p ^= i;
- p >>= 1;
- p |= 0x80000000;
- } else {
- p ^= ~i;
- p >>= 1;
- } /* endif */
- } /* endfor */
- *pat = p;
-}
-
-/*
- * checks the memblock of <size> bytes from <startaddr>
- * returns the address of the error or NULL if all is well
- */
-
-void *RAM_MemTest_CheckRandomPattern (int mode, unsigned long startaddr,
- unsigned long size,
- unsigned long *pat)
-{
- void *perr = NULL;
- unsigned long i, p, p1;
-
- p = *pat;
-
- for (i = 0; i < (size / 4); i++) {
- p1 = *(unsigned long *) (startaddr + i * 4);
- if (p1 != p) {
- if (perr == NULL) {
- Write_Error (mode, startaddr + i * 4, p, p1);
- perr = (void *) (startaddr + i * 4);
- } /* endif */
- }
- /* endif */
- if ((p % 2) > 0) {
- p ^= i;
- p >>= 1;
- p |= 0x80000000;
- } else {
- p ^= ~i;
- p >>= 1;
- } /* endif */
- } /* endfor */
-
- *pat = p;
- return (perr);
-}
-
-
-void RAM_MemTest_WriteData1 (unsigned long startaddr, unsigned long size,
- unsigned long *pat)
-{
- RAM_MemTest_WritePattern2 (startaddr, size, TESTPAT1, TESTPAT2);
-}
-
-void *RAM_MemTest_CheckData1 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckPattern2
- (mode, startaddr, size, TESTPAT1, TESTPAT2));
-}
-
-void RAM_MemTest_WriteData2 (unsigned long startaddr, unsigned long size,
- unsigned long *pat)
-{
- RAM_MemTest_WritePattern2 (startaddr, size, TESTPAT2, TESTPAT1);
-}
-
-void *RAM_MemTest_CheckData2 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckPattern2
- (mode, startaddr, size, TESTPAT2, TESTPAT1));
-}
-
-void RAM_MemTest_WriteAddr1 (unsigned long startaddr, unsigned long size,
- unsigned long *pat)
-{
- RAM_MemTest_WriteAddrLine (startaddr, size, FALSE);
-}
-
-void *RAM_MemTest_Check1Addr1 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckAddrLine (mode, startaddr, size, FALSE));
-}
-
-void *RAM_MemTest_Check2Addr1 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckAddrLineReverse
- (mode, startaddr, size, FALSE));
-}
-
-void RAM_MemTest_WriteAddr2 (unsigned long startaddr, unsigned long size,
- unsigned long *pat)
-{
- RAM_MemTest_WriteAddrLine (startaddr, size, TRUE);
-}
-
-void *RAM_MemTest_Check1Addr2 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckAddrLine (mode, startaddr, size, TRUE));
-}
-
-void *RAM_MemTest_Check2Addr2 (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat)
-{
- return (RAM_MemTest_CheckAddrLineReverse
- (mode, startaddr, size, TRUE));
-}
-
-
-typedef struct {
- void (*test_write) (unsigned long startaddr, unsigned long size,
- unsigned long *pat);
- char *test_write_desc;
- void *(*test_check1) (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat);
- void *(*test_check2) (int mode, unsigned long startaddr,
- unsigned long size, unsigned long *pat);
-} RAM_MEMTEST_FUNC;
-
-
-#define TEST_STAGES 5
-static RAM_MEMTEST_FUNC test_stage[TEST_STAGES] = {
- {RAM_MemTest_WriteData1, "data test 1...\n", RAM_MemTest_CheckData1,
- NULL},
- {RAM_MemTest_WriteData2, "data test 2...\n", RAM_MemTest_CheckData2,
- NULL},
- {RAM_MemTest_WriteAddr1, "address line test...\n",
- RAM_MemTest_Check1Addr1, RAM_MemTest_Check2Addr1},
- {RAM_MemTest_WriteAddr2, "address line test (swapped)...\n",
- RAM_MemTest_Check1Addr2, RAM_MemTest_Check2Addr2},
- {RAM_MemTest_WriteRandomPattern, "random data test...\n",
- RAM_MemTest_CheckRandomPattern, NULL}
-};
-
-
-int mem_test (unsigned long start, unsigned long ramsize, int quiet)
-{
- unsigned long errors, stage;
- unsigned long startaddr, size, i;
- const unsigned long blocksize = 0x80000; /* check in 512KB blocks */
- unsigned long *perr;
- unsigned long rdatapat;
- char dispbuf[80];
- int status = TEST_PASSED;
- int prog = 0;
-
- errors = 0;
- startaddr = start;
- size = ramsize;
- if ((quiet & TEST_SHOW_PROG) == TEST_SHOW_PROG) {
- prog++;
- printf (".");
- }
- sprintf (dispbuf, "\nMemory Test: addr = 0x%lx size = 0x%lx\n",
- startaddr, size);
- testm_puts (quiet, dispbuf);
- for (stage = 0; stage < TEST_STAGES; stage++) {
- sprintf (dispbuf, test_stage[stage].test_write_desc);
- testm_puts (quiet, dispbuf);
- /* fill SDRAM */
- rdatapat = 0x12345678;
- sprintf (dispbuf, "writing block: ");
- testm_puts (quiet, dispbuf);
- for (i = 0; i < size; i += blocksize) {
- sprintf (dispbuf, "%04lX\b\b\b\b", i / blocksize);
- testm_puts (quiet, dispbuf);
- test_stage[stage].test_write (startaddr + i, blocksize,
- &rdatapat);
- } /* endfor */
- sprintf (dispbuf, "\n");
- testm_puts (quiet, dispbuf);
- if ((quiet & TEST_SHOW_PROG) == TEST_SHOW_PROG) {
- prog++;
- printf (".");
- }
- /* check SDRAM */
- rdatapat = 0x12345678;
- sprintf (dispbuf, "checking block: ");
- testm_puts (quiet, dispbuf);
- for (i = 0; i < size; i += blocksize) {
- sprintf (dispbuf, "%04lX\b\b\b\b", i / blocksize);
- testm_puts (quiet, dispbuf);
- if ((perr =
- test_stage[stage].test_check1 (quiet, startaddr + i,
- blocksize,
- &rdatapat)) != NULL) {
- status = TEST_FAILED;
- } /* endif */
- } /* endfor */
- sprintf (dispbuf, "\n");
- testm_puts (quiet, dispbuf);
- if ((quiet & TEST_SHOW_PROG) == TEST_SHOW_PROG) {
- prog++;
- printf (".");
- }
- if (test_stage[stage].test_check2 != NULL) {
- /* check2 SDRAM */
- sprintf (dispbuf, "2nd checking block: ");
- rdatapat = 0x12345678;
- testm_puts (quiet, dispbuf);
- for (i = 0; i < size; i += blocksize) {
- sprintf (dispbuf, "%04lX\b\b\b\b", i / blocksize);
- testm_puts (quiet, dispbuf);
- if ((perr =
- test_stage[stage].test_check2 (quiet, startaddr + i,
- blocksize,
- &rdatapat)) != NULL) {
- status = TEST_FAILED;
- } /* endif */
- } /* endfor */
- sprintf (dispbuf, "\n");
- testm_puts (quiet, dispbuf);
- if ((quiet & TEST_SHOW_PROG) == TEST_SHOW_PROG) {
- prog++;
- printf (".");
- }
- }
-
- } /* next stage */
- if ((quiet & TEST_SHOW_PROG) == TEST_SHOW_PROG) {
- while (prog-- > 0)
- printf ("\b \b");
- }
-
- if (status == TEST_FAILED)
- errors++;
-
- return (errors);
-}
projects / u-boot.git / commitdiff