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[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [cmds/] [memory.c] - Diff between revs 464 and 467

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Rev 464 Rev 467
#include "common.h"
#include "common.h"
#include "support.h"
#include "support.h"
#include "spr-defs.h"
#include "spr-defs.h"
#include "spincursor.h"
 
 
 
void show_mem(int start, int stop)
void show_mem(int start, int stop)
{
{
        unsigned long i = start;
        unsigned long i = start;
        if ((i & 0xf) != 0x0)
        if ((i & 0xf) != 0x0)
                printf("\n%08lx: ", i);
                printf("\n%08lx: ", i);
        for (; i <= stop; i += 4) {
        for (; i <= stop; i += 4) {
                if ((i & 0xf) == 0x0)
                if ((i & 0xf) == 0x0)
                        printf("\n%08lx: ", i);
                        printf("\n%08lx: ", i);
                /* Read one word */
                /* Read one word */
                printf("%08lx ", REG32(i));
                printf("%08lx ", REG32(i));
        }
        }
        printf("\n");
        printf("\n");
}
}
 
 
void testram(unsigned long start_addr, unsigned long stop_addr,
void testram(unsigned long start_addr, unsigned long stop_addr,
             unsigned long testno)
             unsigned long testno)
{
{
        unsigned long addr;
        unsigned long addr;
        unsigned long err_addr = 0;
        unsigned long err_addr = 0;
        unsigned long err_no = 0;
        unsigned long err_no = 0;
 
 
        unsigned long stack_top = (unsigned long) &_src_addr;
        unsigned long stack_top = (unsigned long) &_stack_top;
 
 
        if (start_addr < stack_top)
        if (start_addr < stack_top)
        {
        {
                printf("\n");
                printf("\n");
                printf("Warning: RAM test will overwrite stack.\n");
                printf("Warning: RAM test will overwrite stack.\n");
                printf("         Moving start of test to 0x%08x to avoid stack\n",
                printf("         Moving start of test to 0x%08x to avoid stack\n",
                       stack_top);
                       stack_top);
                start_addr = stack_top;
                start_addr = stack_top;
        }
        }
 
 
        if (start_addr >= stop_addr)
        if (start_addr >= stop_addr)
        {
        {
                printf("ram_test: Start of test must be after end (0x%08x !< 0x%08x)\n",
                printf("ram_test: Start of test must be after end (0x%08x !< 0x%08x)\n",
                       start_addr, stop_addr);
                       start_addr, stop_addr);
                printf("ram_test: Aborting.\n");
                printf("ram_test: Aborting.\n");
                return;
                return;
        }
        }
 
 
        /* Test 1: Write locations with their addresses */
        /* Test 1: Write locations with their addresses */
        if ((testno == 1) || (testno == 0)) {
        if ((testno == 1) || (testno == 0)) {
                printf("\n1. Writing locations with their addresses: ");
                printf("\n1. Writing locations with their addresses: ");
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        REG32(addr) = addr;
                        REG32(addr) = addr;
 
 
                /* Verify */
                /* Verify */
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        if (REG32(addr) != addr) {
                        if (REG32(addr) != addr) {
                                err_no++;
                                err_no++;
                                err_addr = addr;
                                err_addr = addr;
                        }
                        }
                if (err_no)
                if (err_no)
                        printf("%04lx times failed. Last at location %08lx",
                        printf("%04lx times failed. Last at location %08lx",
                               err_no, err_addr);
                               err_no, err_addr);
                else
                else
                        printf("Passed");
                        printf("Passed");
                err_no = 0;
                err_no = 0;
        }
        }
 
 
        /* Test 2: Write locations with their inverse address */
        /* Test 2: Write locations with their inverse address */
        if ((testno == 2) || (testno == 0)) {
        if ((testno == 2) || (testno == 0)) {
                printf("\n2. Writing locations with their inverse addresses: ");
                printf("\n2. Writing locations with their inverse addresses: ");
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        REG32(addr) = ~addr;
                        REG32(addr) = ~addr;
 
 
                /* Verify */
                /* Verify */
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        if (REG32(addr) != ~addr) {
                        if (REG32(addr) != ~addr) {
                                err_no++;
                                err_no++;
                                err_addr = addr;
                                err_addr = addr;
                        }
                        }
                if (err_no)
                if (err_no)
                        printf("%04lx times failed. Last at location %08lx",
                        printf("%04lx times failed. Last at location %08lx",
                               err_no, err_addr);
                               err_no, err_addr);
                else
                else
                        printf("Passed");
                        printf("Passed");
                err_no = 0;
                err_no = 0;
        }
        }
 
 
        /* Test 3: Write locations with walking ones */
        /* Test 3: Write locations with walking ones */
        if ((testno == 3) || (testno == 0)) {
        if ((testno == 3) || (testno == 0)) {
                printf("\n3. Writing locations with walking ones: ");
                printf("\n3. Writing locations with walking ones: ");
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        REG32(addr) = 1 << (addr >> 2);
                        REG32(addr) = 1 << (addr >> 2);
 
 
                /* Verify */
                /* Verify */
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        if (REG32(addr) != (1 << (addr >> 2))) {
                        if (REG32(addr) != (1 << (addr >> 2))) {
                                err_no++;
                                err_no++;
                                err_addr = addr;
                                err_addr = addr;
                        }
                        }
                if (err_no)
                if (err_no)
                        printf("%04lx times failed. Last at location %08lx",
                        printf("%04lx times failed. Last at location %08lx",
                               err_no, err_addr);
                               err_no, err_addr);
                else
                else
                        printf("Passed");
                        printf("Passed");
                err_no = 0;
                err_no = 0;
        }
        }
 
 
        /* Test 4: Write locations with walking zeros */
        /* Test 4: Write locations with walking zeros */
        if ((testno == 4) || (testno == 0)) {
        if ((testno == 4) || (testno == 0)) {
                printf("\n4. Writing locations with walking zeros: ");
                printf("\n4. Writing locations with walking zeros: ");
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        REG32(addr) = ~(1 << (addr >> 2));
                        REG32(addr) = ~(1 << (addr >> 2));
 
 
                /* Verify */
                /* Verify */
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                for (addr = start_addr; addr <= stop_addr; addr += 4)
                        if (REG32(addr) != ~(1 << (addr >> 2))) {
                        if (REG32(addr) != ~(1 << (addr >> 2))) {
                                err_no++;
                                err_no++;
                                err_addr = addr;
                                err_addr = addr;
                        }
                        }
                if (err_no)
                if (err_no)
                        printf("%04lx times failed. Last at location %08lx",
                        printf("%04lx times failed. Last at location %08lx",
                               err_no, err_addr);
                               err_no, err_addr);
                else
                else
                        printf("Passed");
                        printf("Passed");
                err_no = 0;
                err_no = 0;
        }
        }
}
}
 
 
// Do proper walking 0 as byte writes
// Do proper walking 0 as byte writes
void better_ram_test(unsigned long start_addr, unsigned long stop_addr,
void better_ram_test(unsigned long start_addr, unsigned long stop_addr,
                     unsigned test_no)
                     unsigned test_no)
{
{
        unsigned long addr;
        unsigned long addr;
        unsigned long err_addr = 0;
        unsigned long err_addr = 0;
        unsigned long err_no = 0;
        unsigned long err_no = 0;
        int b;
        int b;
        printf("\nSetting memory contents to all 1'b1  ");
        printf("\nSetting memory contents to all 1'b1  ");
        //enable_spincursor();
 
        for (addr = start_addr; addr <= stop_addr; addr += 1)
        for (addr = start_addr; addr <= stop_addr; addr += 1)
                REG8(addr) = 0xff;
                REG8(addr) = 0xff;
        //disable_spincursor();
 
        printf("\rVerifying memory contents all set to 1'b1:  ");
        printf("\rVerifying memory contents all set to 1'b1:  ");
        //enable_spincursor();
 
        /* Verify */
        /* Verify */
        for (addr = start_addr; addr <= stop_addr; addr += 1) {
        for (addr = start_addr; addr <= stop_addr; addr += 1) {
                if (REG8(addr) != 0xff) {
                if (REG8(addr) != 0xff) {
                        err_no++;
                        err_no++;
                        err_addr = addr;
                        err_addr = addr;
                        //disable_spincursor();
 
                        printf("\n%04lx times failed. Last at location %08lx  ",
                        printf("\n%04lx times failed. Last at location %08lx  ",
                               err_no, err_addr);
                               err_no, err_addr);
                        //enable_spincursor();
 
                }
                }
        }
        }
 
 
        if (err_no == 0)
        if (err_no == 0)
                printf("Passed");
                printf("Passed");
        else
        else
                printf("Finished");
                printf("Finished");
 
 
        err_no = 0;
        err_no = 0;
 
 
        printf("\nWalking zero through memory, verify just itself: ");
        printf("\nWalking zero through memory, verify just itself: ");
        for (addr = start_addr; addr <= stop_addr; addr += 1) {
        for (addr = start_addr; addr <= stop_addr; addr += 1) {
                for (b = 0; b < 8; b++) {
                for (b = 0; b < 8; b++) {
                        // Write, verify
                        // Write, verify
                        REG8(addr) = ~(1 << b);
                        REG8(addr) = ~(1 << b);
 
 
                        if (REG8(addr) != ~(1 << b)) {
                        if (REG8(addr) != ~(1 << b)) {
                                err_no++;
                                err_no++;
                                err_addr = addr;
                                err_addr = addr;
                                printf
                                printf
                                    ("\n%04lx times failed. Last at location %08lx",
                                    ("\n%04lx times failed. Last at location %08lx",
                                     err_no, err_addr);
                                     err_no, err_addr);
                        }
                        }
                        REG8(addr) = 0xff;
                        REG8(addr) = 0xff;
                }
                }
        }
        }
        if (err_no == 0)
        if (err_no == 0)
                printf("Passed");
                printf("Passed");
        else
        else
                printf("Finished");
                printf("Finished");
        err_no = 0;
        err_no = 0;
 
 
        printf("\nWriting across rows, row size configured as %d bytes",
        printf("\nWriting across rows, row size configured as %d bytes",
               SDRAM_ROW_SIZE);
               SDRAM_ROW_SIZE);
        unsigned long start_row = start_addr / SDRAM_ROW_SIZE;
        unsigned long start_row = start_addr / SDRAM_ROW_SIZE;
        unsigned long end_row = stop_addr / SDRAM_ROW_SIZE;
        unsigned long end_row = stop_addr / SDRAM_ROW_SIZE;
        for (addr = start_row; addr <= end_row; addr += 1) {
        for (addr = start_row; addr <= end_row; addr += 1) {
                REG32(addr * SDRAM_ROW_SIZE) = addr;
                REG32(addr * SDRAM_ROW_SIZE) = addr;
        }
        }
 
 
        printf("\rVerifying row write test: ");
        printf("\rVerifying row write test: ");
 
 
        for (addr = start_row; addr <= end_row; addr += 1) {
        for (addr = start_row; addr <= end_row; addr += 1) {
                if (REG32(addr * SDRAM_ROW_SIZE) != addr) {
                if (REG32(addr * SDRAM_ROW_SIZE) != addr) {
                        err_no++;
                        err_no++;
                        err_addr = addr * SDRAM_ROW_SIZE;
                        err_addr = addr * SDRAM_ROW_SIZE;
                        printf
                        printf
                            ("\n%04lx times failed. Last at location %08lx (row %d)",
                            ("\n%04lx times failed. Last at location %08lx (row %d)",
                             err_no, err_addr, addr);
                             err_no, err_addr, addr);
                }
                }
        }
        }
 
 
        if (err_no == 0)
        if (err_no == 0)
                printf("Passed");
                printf("Passed");
        else
        else
                printf("Finished");
                printf("Finished");
        err_no = 0;
        err_no = 0;
 
 
}
}
 
 
int dm_cmd(int argc, char *argv[])
int dm_cmd(int argc, char *argv[])
{
{
        unsigned long a1, a2;
        unsigned long a1, a2;
        a1 = strtoul(argv[0], 0, 0);
        a1 = strtoul(argv[0], 0, 0);
        switch (argc) {
        switch (argc) {
        case 1:
        case 1:
                show_mem(a1, a1);
                show_mem(a1, a1);
                return 0;
                return 0;
        case 2:
        case 2:
                a2 = strtoul(argv[1], 0, 0);
                a2 = strtoul(argv[1], 0, 0);
                show_mem(a1, a2);
                show_mem(a1, a2);
                return 0;
                return 0;
        default:
        default:
                return -1;
                return -1;
        }
        }
}
}
 
 
int pm_cmd(int argc, char *argv[])
int pm_cmd(int argc, char *argv[])
{
{
        unsigned long addr, stop_addr, value;
        unsigned long addr, stop_addr, value;
        if ((argc == 3) || (argc == 2)) {
        if ((argc == 3) || (argc == 2)) {
                addr = strtoul(argv[0], 0, 0);
                addr = strtoul(argv[0], 0, 0);
 
 
                if (argc == 2) {
                if (argc == 2) {
                        stop_addr = strtoul(argv[0], 0, 0);
                        stop_addr = strtoul(argv[0], 0, 0);
                        value = strtoul(argv[1], 0, 0);
                        value = strtoul(argv[1], 0, 0);
                } else {
                } else {
                        stop_addr = strtoul(argv[1], 0, 0);
                        stop_addr = strtoul(argv[1], 0, 0);
                        value = strtoul(argv[2], 0, 0);
                        value = strtoul(argv[2], 0, 0);
                }
                }
 
 
                for (; addr <= stop_addr; addr += 4)
                for (; addr <= stop_addr; addr += 4)
                        REG32(addr) = value;
                        REG32(addr) = value;
 
 
                /*show_mem(strtoul (argv[0], 0, 0), stop_addr); */
                /*show_mem(strtoul (argv[0], 0, 0), stop_addr); */
        } else
        } else
                return -1;
                return -1;
        return 0;
        return 0;
}
}
 
 
int ram_test_cmd(int argc, char *argv[])
int ram_test_cmd(int argc, char *argv[])
{
{
        switch (argc) {
        switch (argc) {
        case 2:
        case 2:
                testram(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0), 0);
                testram(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0), 0);
                return 0;
                return 0;
        case 3:
        case 3:
                testram(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0),
                testram(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0),
                        strtoul(argv[2], 0, 0));
                        strtoul(argv[2], 0, 0));
                return 0;
                return 0;
        default:
        default:
                return -1;
                return -1;
        }
        }
}
}
 
 
int better_ram_test_cmd(int argc, char *argv[])
int better_ram_test_cmd(int argc, char *argv[])
{
{
        if (argc < 2)
        if (argc < 2)
                return -1;
                return -1;
 
 
        better_ram_test(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0), 0);
        better_ram_test(strtoul(argv[0], 0, 0), strtoul(argv[1], 0, 0), 0);
        return 0;
        return 0;
}
}
 
 
unsigned long crc32(unsigned long crc, const unsigned char *buf,
unsigned long crc32(unsigned long crc, const unsigned char *buf,
                    unsigned long len)
                    unsigned long len)
{
{
        /* Create bitwise CRC table first */
        /* Create bitwise CRC table first */
        unsigned long crc_table[256];
        unsigned long crc_table[256];
        int i, k;
        int i, k;
        for (i = 0; i < 256; i++) {
        for (i = 0; i < 256; i++) {
                unsigned long c = (unsigned long)i;
                unsigned long c = (unsigned long)i;
                for (k = 0; k < 8; k++)
                for (k = 0; k < 8; k++)
                        c = c & 1 ? 0xedb88320 ^ (c >> 1) : c >> 1;
                        c = c & 1 ? 0xedb88320 ^ (c >> 1) : c >> 1;
                crc_table[i] = c;
                crc_table[i] = c;
        }
        }
 
 
        /* Calculate crc on buf */
        /* Calculate crc on buf */
        crc = crc ^ 0xffffffffL;
        crc = crc ^ 0xffffffffL;
        while (len--)
        while (len--)
                crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
                crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
        return crc ^ 0xffffffffL;
        return crc ^ 0xffffffffL;
}
}
 
 
int crc_cmd(int argc, char *argv[])
int crc_cmd(int argc, char *argv[])
{
{
        unsigned long addr = global.src_addr;
        unsigned long addr = global.src_addr;
        unsigned long len = global.length;
        unsigned long len = global.length;
        unsigned long init_crc = 0;
        unsigned long init_crc = 0;
 
 
        switch (argc) {
        switch (argc) {
        case 3:
        case 3:
                init_crc = strtoul(argv[2], 0, 0);
                init_crc = strtoul(argv[2], 0, 0);
        case 2:
        case 2:
                len = strtoul(argv[1], 0, 0);
                len = strtoul(argv[1], 0, 0);
        case 1:
        case 1:
                addr = strtoul(argv[0], 0, 0);
                addr = strtoul(argv[0], 0, 0);
        case 0:
        case 0:
                printf("CRC [%08lx-%08lx] = %08lx\n", addr, addr + len - 1,
                printf("CRC [%08lx-%08lx] = %08lx\n", addr, addr + len - 1,
                       crc32(init_crc, (unsigned char *)addr, len));
                       crc32(init_crc, (unsigned char *)addr, len));
                return 0;
                return 0;
        }
        }
        return -1;
        return -1;
}
}
 
 
void module_memory_init(void)
void module_memory_init(void)
{
{
        register_command("dm", "<start addr> [<end addr>]",
        register_command("dm", "<start addr> [<end addr>]",
                         "display 32-bit memory location(s)", dm_cmd);
                         "display 32-bit memory location(s)", dm_cmd);
        register_command("pm", "<addr> [<stop_addr>] <value>",
        register_command("pm", "<addr> [<stop_addr>] <value>",
                         "patch 32-bit memory location(s)", pm_cmd);
                         "patch 32-bit memory location(s)", pm_cmd);
        register_command("ram_test", "<start_addr> <stop_addr> [<test_no>]",
        register_command("ram_test", "<start_addr> <stop_addr> [<test_no>]",
                         "run a simple RAM test", ram_test_cmd);
                         "run a simple RAM test", ram_test_cmd);
        register_command("better_ram_test", "<start_addr> <stop_addr>",
        register_command("better_ram_test", "<start_addr> <stop_addr>",
                         "run a better RAM test", better_ram_test_cmd);
                         "run a better RAM test", better_ram_test_cmd);
 
 
        register_command("crc", "[<src_addr> [<length> [<init_crc>]]]",
        register_command("crc", "[<src_addr> [<length> [<init_crc>]]]",
                         "Calculates a 32-bit CRC on specified memory region",
                         "Calculates a 32-bit CRC on specified memory region",
                         crc_cmd);
                         crc_cmd);
}
}
 
 

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