upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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1397 lines
30 KiB
1397 lines
30 KiB
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Memory Functions
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*
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* Copied from FADS ROM, Dan Malek (dmalek@jlc.net)
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*/
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#include <common.h>
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#include <bootretry.h>
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#include <cli.h>
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#include <command.h>
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#ifdef CONFIG_HAS_DATAFLASH
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#include <dataflash.h>
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#endif
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#include <hash.h>
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#include <watchdog.h>
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#include <asm/io.h>
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#include <linux/compiler.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifndef CONFIG_SYS_MEMTEST_SCRATCH
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#define CONFIG_SYS_MEMTEST_SCRATCH 0
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#endif
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static int mod_mem(cmd_tbl_t *, int, int, int, char * const []);
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/* Display values from last command.
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* Memory modify remembered values are different from display memory.
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*/
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static uint dp_last_addr, dp_last_size;
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static uint dp_last_length = 0x40;
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static uint mm_last_addr, mm_last_size;
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static ulong base_address = 0;
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/* Memory Display
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*
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* Syntax:
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* md{.b, .w, .l, .q} {addr} {len}
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*/
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#define DISP_LINE_LEN 16
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static int do_mem_md(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong addr, length;
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#if defined(CONFIG_HAS_DATAFLASH)
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ulong nbytes, linebytes;
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#endif
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int size;
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int rc = 0;
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/* We use the last specified parameters, unless new ones are
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* entered.
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*/
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addr = dp_last_addr;
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size = dp_last_size;
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length = dp_last_length;
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if (argc < 2)
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return CMD_RET_USAGE;
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if ((flag & CMD_FLAG_REPEAT) == 0) {
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/* New command specified. Check for a size specification.
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* Defaults to long if no or incorrect specification.
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*/
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if ((size = cmd_get_data_size(argv[0], 4)) < 0)
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return 1;
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/* Address is specified since argc > 1
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*/
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addr = simple_strtoul(argv[1], NULL, 16);
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addr += base_address;
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/* If another parameter, it is the length to display.
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* Length is the number of objects, not number of bytes.
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*/
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if (argc > 2)
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length = simple_strtoul(argv[2], NULL, 16);
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}
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#if defined(CONFIG_HAS_DATAFLASH)
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/* Print the lines.
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*
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* We buffer all read data, so we can make sure data is read only
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* once, and all accesses are with the specified bus width.
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*/
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nbytes = length * size;
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do {
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char linebuf[DISP_LINE_LEN];
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void* p;
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linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
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rc = read_dataflash(addr, (linebytes/size)*size, linebuf);
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p = (rc == DATAFLASH_OK) ? linebuf : (void*)addr;
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print_buffer(addr, p, size, linebytes/size, DISP_LINE_LEN/size);
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nbytes -= linebytes;
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addr += linebytes;
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if (ctrlc()) {
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rc = 1;
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break;
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}
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} while (nbytes > 0);
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#else
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# if defined(CONFIG_BLACKFIN)
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/* See if we're trying to display L1 inst */
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if (addr_bfin_on_chip_mem(addr)) {
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char linebuf[DISP_LINE_LEN];
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ulong linebytes, nbytes = length * size;
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do {
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linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
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memcpy(linebuf, (void *)addr, linebytes);
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print_buffer(addr, linebuf, size, linebytes/size, DISP_LINE_LEN/size);
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nbytes -= linebytes;
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addr += linebytes;
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if (ctrlc()) {
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rc = 1;
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break;
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}
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} while (nbytes > 0);
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} else
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# endif
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{
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ulong bytes = size * length;
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const void *buf = map_sysmem(addr, bytes);
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/* Print the lines. */
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print_buffer(addr, buf, size, length, DISP_LINE_LEN / size);
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addr += bytes;
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unmap_sysmem(buf);
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}
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#endif
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dp_last_addr = addr;
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dp_last_length = length;
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dp_last_size = size;
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return (rc);
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}
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static int do_mem_mm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return mod_mem (cmdtp, 1, flag, argc, argv);
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}
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static int do_mem_nm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return mod_mem (cmdtp, 0, flag, argc, argv);
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}
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static int do_mem_mw(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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u64 writeval;
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#else
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ulong writeval;
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#endif
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ulong addr, count;
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int size;
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void *buf;
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ulong bytes;
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if ((argc < 3) || (argc > 4))
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return CMD_RET_USAGE;
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/* Check for size specification.
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*/
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if ((size = cmd_get_data_size(argv[0], 4)) < 1)
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return 1;
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/* Address is specified since argc > 1
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*/
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addr = simple_strtoul(argv[1], NULL, 16);
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addr += base_address;
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/* Get the value to write.
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*/
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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writeval = simple_strtoull(argv[2], NULL, 16);
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#else
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writeval = simple_strtoul(argv[2], NULL, 16);
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#endif
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/* Count ? */
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if (argc == 4) {
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count = simple_strtoul(argv[3], NULL, 16);
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} else {
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count = 1;
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}
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bytes = size * count;
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buf = map_sysmem(addr, bytes);
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while (count-- > 0) {
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if (size == 4)
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*((u32 *)buf) = (u32)writeval;
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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else if (size == 8)
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*((u64 *)buf) = (u64)writeval;
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#endif
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else if (size == 2)
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*((u16 *)buf) = (u16)writeval;
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else
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*((u8 *)buf) = (u8)writeval;
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buf += size;
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}
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unmap_sysmem(buf);
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return 0;
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}
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#ifdef CONFIG_MX_CYCLIC
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static int do_mem_mdc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int i;
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ulong count;
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if (argc < 4)
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return CMD_RET_USAGE;
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count = simple_strtoul(argv[3], NULL, 10);
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for (;;) {
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do_mem_md (NULL, 0, 3, argv);
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/* delay for <count> ms... */
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for (i=0; i<count; i++)
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udelay (1000);
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/* check for ctrl-c to abort... */
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if (ctrlc()) {
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puts("Abort\n");
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return 0;
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}
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}
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return 0;
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}
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static int do_mem_mwc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int i;
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ulong count;
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if (argc < 4)
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return CMD_RET_USAGE;
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count = simple_strtoul(argv[3], NULL, 10);
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for (;;) {
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do_mem_mw (NULL, 0, 3, argv);
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/* delay for <count> ms... */
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for (i=0; i<count; i++)
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udelay (1000);
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/* check for ctrl-c to abort... */
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if (ctrlc()) {
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puts("Abort\n");
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return 0;
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}
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}
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return 0;
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}
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#endif /* CONFIG_MX_CYCLIC */
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static int do_mem_cmp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong addr1, addr2, count, ngood, bytes;
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int size;
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int rcode = 0;
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const char *type;
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const void *buf1, *buf2, *base;
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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u64 word1, word2;
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#else
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ulong word1, word2;
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#endif
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if (argc != 4)
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return CMD_RET_USAGE;
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/* Check for size specification.
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*/
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if ((size = cmd_get_data_size(argv[0], 4)) < 0)
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return 1;
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type = size == 8 ? "double word" :
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size == 4 ? "word" :
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size == 2 ? "halfword" : "byte";
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addr1 = simple_strtoul(argv[1], NULL, 16);
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addr1 += base_address;
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addr2 = simple_strtoul(argv[2], NULL, 16);
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addr2 += base_address;
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count = simple_strtoul(argv[3], NULL, 16);
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#ifdef CONFIG_HAS_DATAFLASH
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if (addr_dataflash(addr1) | addr_dataflash(addr2)){
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puts ("Comparison with DataFlash space not supported.\n\r");
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return 0;
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}
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#endif
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#ifdef CONFIG_BLACKFIN
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if (addr_bfin_on_chip_mem(addr1) || addr_bfin_on_chip_mem(addr2)) {
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puts ("Comparison with L1 instruction memory not supported.\n\r");
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return 0;
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}
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#endif
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bytes = size * count;
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base = buf1 = map_sysmem(addr1, bytes);
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buf2 = map_sysmem(addr2, bytes);
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for (ngood = 0; ngood < count; ++ngood) {
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if (size == 4) {
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word1 = *(u32 *)buf1;
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word2 = *(u32 *)buf2;
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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} else if (size == 8) {
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word1 = *(u64 *)buf1;
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word2 = *(u64 *)buf2;
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#endif
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} else if (size == 2) {
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word1 = *(u16 *)buf1;
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word2 = *(u16 *)buf2;
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} else {
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word1 = *(u8 *)buf1;
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word2 = *(u8 *)buf2;
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}
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if (word1 != word2) {
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ulong offset = buf1 - base;
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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printf("%s at 0x%p (%#0*llx) != %s at 0x%p (%#0*llx)\n",
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type, (void *)(addr1 + offset), size, word1,
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type, (void *)(addr2 + offset), size, word2);
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#else
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printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
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type, (ulong)(addr1 + offset), size, word1,
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type, (ulong)(addr2 + offset), size, word2);
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#endif
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rcode = 1;
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break;
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}
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buf1 += size;
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buf2 += size;
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/* reset watchdog from time to time */
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if ((ngood % (64 << 10)) == 0)
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WATCHDOG_RESET();
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}
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unmap_sysmem(buf1);
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unmap_sysmem(buf2);
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printf("Total of %ld %s(s) were the same\n", ngood, type);
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return rcode;
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}
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static int do_mem_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong addr, dest, count, bytes;
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int size;
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const void *src;
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void *buf;
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if (argc != 4)
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return CMD_RET_USAGE;
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/* Check for size specification.
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*/
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if ((size = cmd_get_data_size(argv[0], 4)) < 0)
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return 1;
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addr = simple_strtoul(argv[1], NULL, 16);
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addr += base_address;
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dest = simple_strtoul(argv[2], NULL, 16);
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dest += base_address;
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count = simple_strtoul(argv[3], NULL, 16);
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if (count == 0) {
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puts ("Zero length ???\n");
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return 1;
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}
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#ifndef CONFIG_SYS_NO_FLASH
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/* check if we are copying to Flash */
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if ( (addr2info(dest) != NULL)
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#ifdef CONFIG_HAS_DATAFLASH
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&& (!addr_dataflash(dest))
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#endif
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) {
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int rc;
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puts ("Copy to Flash... ");
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rc = flash_write ((char *)addr, dest, count*size);
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if (rc != 0) {
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flash_perror (rc);
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return (1);
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}
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puts ("done\n");
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return 0;
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}
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#endif
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#ifdef CONFIG_HAS_DATAFLASH
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/* Check if we are copying from RAM or Flash to DataFlash */
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if (addr_dataflash(dest) && !addr_dataflash(addr)){
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int rc;
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puts ("Copy to DataFlash... ");
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rc = write_dataflash (dest, addr, count*size);
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if (rc != 1) {
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dataflash_perror (rc);
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return (1);
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}
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puts ("done\n");
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return 0;
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}
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/* Check if we are copying from DataFlash to RAM */
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if (addr_dataflash(addr) && !addr_dataflash(dest)
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#ifndef CONFIG_SYS_NO_FLASH
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&& (addr2info(dest) == NULL)
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#endif
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){
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int rc;
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rc = read_dataflash(addr, count * size, (char *) dest);
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if (rc != 1) {
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dataflash_perror (rc);
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return (1);
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}
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return 0;
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}
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if (addr_dataflash(addr) && addr_dataflash(dest)){
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puts ("Unsupported combination of source/destination.\n\r");
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return 1;
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}
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#endif
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#ifdef CONFIG_BLACKFIN
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/* See if we're copying to/from L1 inst */
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if (addr_bfin_on_chip_mem(dest) || addr_bfin_on_chip_mem(addr)) {
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memcpy((void *)dest, (void *)addr, count * size);
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return 0;
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}
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#endif
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bytes = size * count;
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buf = map_sysmem(dest, bytes);
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src = map_sysmem(addr, bytes);
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while (count-- > 0) {
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if (size == 4)
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*((u32 *)buf) = *((u32 *)src);
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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else if (size == 8)
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*((u64 *)buf) = *((u64 *)src);
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#endif
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else if (size == 2)
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*((u16 *)buf) = *((u16 *)src);
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else
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*((u8 *)buf) = *((u8 *)src);
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src += size;
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buf += size;
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|
|
/* reset watchdog from time to time */
|
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if ((count % (64 << 10)) == 0)
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WATCHDOG_RESET();
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}
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return 0;
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|
}
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|
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static int do_mem_base(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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if (argc > 1) {
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/* Set new base address.
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|
*/
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base_address = simple_strtoul(argv[1], NULL, 16);
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}
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/* Print the current base address.
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|
*/
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printf("Base Address: 0x%08lx\n", base_address);
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return 0;
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}
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static int do_mem_loop(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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ulong addr, length, i, bytes;
|
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int size;
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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volatile u64 *llp;
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|
#endif
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volatile u32 *longp;
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volatile u16 *shortp;
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volatile u8 *cp;
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const void *buf;
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|
|
|
if (argc < 3)
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return CMD_RET_USAGE;
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|
|
/*
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* Check for a size specification.
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|
* Defaults to long if no or incorrect specification.
|
|
*/
|
|
if ((size = cmd_get_data_size(argv[0], 4)) < 0)
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return 1;
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|
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/* Address is always specified.
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*/
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addr = simple_strtoul(argv[1], NULL, 16);
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|
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/* Length is the number of objects, not number of bytes.
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*/
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length = simple_strtoul(argv[2], NULL, 16);
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|
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bytes = size * length;
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buf = map_sysmem(addr, bytes);
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|
|
/* We want to optimize the loops to run as fast as possible.
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* If we have only one object, just run infinite loops.
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|
*/
|
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if (length == 1) {
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#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
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if (size == 8) {
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llp = (u64 *)buf;
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for (;;)
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i = *llp;
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}
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#endif
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if (size == 4) {
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longp = (u32 *)buf;
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for (;;)
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i = *longp;
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}
|
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if (size == 2) {
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shortp = (u16 *)buf;
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for (;;)
|
|
i = *shortp;
|
|
}
|
|
cp = (u8 *)buf;
|
|
for (;;)
|
|
i = *cp;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
if (size == 8) {
|
|
for (;;) {
|
|
llp = (u64 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*llp++;
|
|
}
|
|
}
|
|
#endif
|
|
if (size == 4) {
|
|
for (;;) {
|
|
longp = (u32 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*longp++;
|
|
}
|
|
}
|
|
if (size == 2) {
|
|
for (;;) {
|
|
shortp = (u16 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*shortp++;
|
|
}
|
|
}
|
|
for (;;) {
|
|
cp = (u8 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*cp++;
|
|
}
|
|
unmap_sysmem(buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_LOOPW
|
|
static int do_mem_loopw(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
ulong addr, length, i, bytes;
|
|
int size;
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
volatile u64 *llp;
|
|
u64 data;
|
|
#else
|
|
ulong data;
|
|
#endif
|
|
volatile u32 *longp;
|
|
volatile u16 *shortp;
|
|
volatile u8 *cp;
|
|
void *buf;
|
|
|
|
if (argc < 4)
|
|
return CMD_RET_USAGE;
|
|
|
|
/*
|
|
* Check for a size specification.
|
|
* Defaults to long if no or incorrect specification.
|
|
*/
|
|
if ((size = cmd_get_data_size(argv[0], 4)) < 0)
|
|
return 1;
|
|
|
|
/* Address is always specified.
|
|
*/
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
|
|
/* Length is the number of objects, not number of bytes.
|
|
*/
|
|
length = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
/* data to write */
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
data = simple_strtoull(argv[3], NULL, 16);
|
|
#else
|
|
data = simple_strtoul(argv[3], NULL, 16);
|
|
#endif
|
|
|
|
bytes = size * length;
|
|
buf = map_sysmem(addr, bytes);
|
|
|
|
/* We want to optimize the loops to run as fast as possible.
|
|
* If we have only one object, just run infinite loops.
|
|
*/
|
|
if (length == 1) {
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
if (size == 8) {
|
|
llp = (u64 *)buf;
|
|
for (;;)
|
|
*llp = data;
|
|
}
|
|
#endif
|
|
if (size == 4) {
|
|
longp = (u32 *)buf;
|
|
for (;;)
|
|
*longp = data;
|
|
}
|
|
if (size == 2) {
|
|
shortp = (u16 *)buf;
|
|
for (;;)
|
|
*shortp = data;
|
|
}
|
|
cp = (u8 *)buf;
|
|
for (;;)
|
|
*cp = data;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
if (size == 8) {
|
|
for (;;) {
|
|
llp = (u64 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*llp++ = data;
|
|
}
|
|
}
|
|
#endif
|
|
if (size == 4) {
|
|
for (;;) {
|
|
longp = (u32 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*longp++ = data;
|
|
}
|
|
}
|
|
if (size == 2) {
|
|
for (;;) {
|
|
shortp = (u16 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*shortp++ = data;
|
|
}
|
|
}
|
|
for (;;) {
|
|
cp = (u8 *)buf;
|
|
i = length;
|
|
while (i-- > 0)
|
|
*cp++ = data;
|
|
}
|
|
}
|
|
#endif /* CONFIG_LOOPW */
|
|
|
|
#ifdef CONFIG_CMD_MEMTEST
|
|
static ulong mem_test_alt(vu_long *buf, ulong start_addr, ulong end_addr,
|
|
vu_long *dummy)
|
|
{
|
|
vu_long *addr;
|
|
ulong errs = 0;
|
|
ulong val, readback;
|
|
int j;
|
|
vu_long offset;
|
|
vu_long test_offset;
|
|
vu_long pattern;
|
|
vu_long temp;
|
|
vu_long anti_pattern;
|
|
vu_long num_words;
|
|
static const ulong bitpattern[] = {
|
|
0x00000001, /* single bit */
|
|
0x00000003, /* two adjacent bits */
|
|
0x00000007, /* three adjacent bits */
|
|
0x0000000F, /* four adjacent bits */
|
|
0x00000005, /* two non-adjacent bits */
|
|
0x00000015, /* three non-adjacent bits */
|
|
0x00000055, /* four non-adjacent bits */
|
|
0xaaaaaaaa, /* alternating 1/0 */
|
|
};
|
|
|
|
num_words = (end_addr - start_addr) / sizeof(vu_long);
|
|
|
|
/*
|
|
* Data line test: write a pattern to the first
|
|
* location, write the 1's complement to a 'parking'
|
|
* address (changes the state of the data bus so a
|
|
* floating bus doesn't give a false OK), and then
|
|
* read the value back. Note that we read it back
|
|
* into a variable because the next time we read it,
|
|
* it might be right (been there, tough to explain to
|
|
* the quality guys why it prints a failure when the
|
|
* "is" and "should be" are obviously the same in the
|
|
* error message).
|
|
*
|
|
* Rather than exhaustively testing, we test some
|
|
* patterns by shifting '1' bits through a field of
|
|
* '0's and '0' bits through a field of '1's (i.e.
|
|
* pattern and ~pattern).
|
|
*/
|
|
addr = buf;
|
|
for (j = 0; j < sizeof(bitpattern) / sizeof(bitpattern[0]); j++) {
|
|
val = bitpattern[j];
|
|
for (; val != 0; val <<= 1) {
|
|
*addr = val;
|
|
*dummy = ~val; /* clear the test data off the bus */
|
|
readback = *addr;
|
|
if (readback != val) {
|
|
printf("FAILURE (data line): "
|
|
"expected %08lx, actual %08lx\n",
|
|
val, readback);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
*addr = ~val;
|
|
*dummy = val;
|
|
readback = *addr;
|
|
if (readback != ~val) {
|
|
printf("FAILURE (data line): "
|
|
"Is %08lx, should be %08lx\n",
|
|
readback, ~val);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Based on code whose Original Author and Copyright
|
|
* information follows: Copyright (c) 1998 by Michael
|
|
* Barr. This software is placed into the public
|
|
* domain and may be used for any purpose. However,
|
|
* this notice must not be changed or removed and no
|
|
* warranty is either expressed or implied by its
|
|
* publication or distribution.
|
|
*/
|
|
|
|
/*
|
|
* Address line test
|
|
|
|
* Description: Test the address bus wiring in a
|
|
* memory region by performing a walking
|
|
* 1's test on the relevant bits of the
|
|
* address and checking for aliasing.
|
|
* This test will find single-bit
|
|
* address failures such as stuck-high,
|
|
* stuck-low, and shorted pins. The base
|
|
* address and size of the region are
|
|
* selected by the caller.
|
|
|
|
* Notes: For best results, the selected base
|
|
* address should have enough LSB 0's to
|
|
* guarantee single address bit changes.
|
|
* For example, to test a 64-Kbyte
|
|
* region, select a base address on a
|
|
* 64-Kbyte boundary. Also, select the
|
|
* region size as a power-of-two if at
|
|
* all possible.
|
|
*
|
|
* Returns: 0 if the test succeeds, 1 if the test fails.
|
|
*/
|
|
pattern = (vu_long) 0xaaaaaaaa;
|
|
anti_pattern = (vu_long) 0x55555555;
|
|
|
|
debug("%s:%d: length = 0x%.8lx\n", __func__, __LINE__, num_words);
|
|
/*
|
|
* Write the default pattern at each of the
|
|
* power-of-two offsets.
|
|
*/
|
|
for (offset = 1; offset < num_words; offset <<= 1)
|
|
addr[offset] = pattern;
|
|
|
|
/*
|
|
* Check for address bits stuck high.
|
|
*/
|
|
test_offset = 0;
|
|
addr[test_offset] = anti_pattern;
|
|
|
|
for (offset = 1; offset < num_words; offset <<= 1) {
|
|
temp = addr[offset];
|
|
if (temp != pattern) {
|
|
printf("\nFAILURE: Address bit stuck high @ 0x%.8lx:"
|
|
" expected 0x%.8lx, actual 0x%.8lx\n",
|
|
start_addr + offset*sizeof(vu_long),
|
|
pattern, temp);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
}
|
|
addr[test_offset] = pattern;
|
|
WATCHDOG_RESET();
|
|
|
|
/*
|
|
* Check for addr bits stuck low or shorted.
|
|
*/
|
|
for (test_offset = 1; test_offset < num_words; test_offset <<= 1) {
|
|
addr[test_offset] = anti_pattern;
|
|
|
|
for (offset = 1; offset < num_words; offset <<= 1) {
|
|
temp = addr[offset];
|
|
if ((temp != pattern) && (offset != test_offset)) {
|
|
printf("\nFAILURE: Address bit stuck low or"
|
|
" shorted @ 0x%.8lx: expected 0x%.8lx,"
|
|
" actual 0x%.8lx\n",
|
|
start_addr + offset*sizeof(vu_long),
|
|
pattern, temp);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
}
|
|
addr[test_offset] = pattern;
|
|
}
|
|
|
|
/*
|
|
* Description: Test the integrity of a physical
|
|
* memory device by performing an
|
|
* increment/decrement test over the
|
|
* entire region. In the process every
|
|
* storage bit in the device is tested
|
|
* as a zero and a one. The base address
|
|
* and the size of the region are
|
|
* selected by the caller.
|
|
*
|
|
* Returns: 0 if the test succeeds, 1 if the test fails.
|
|
*/
|
|
num_words++;
|
|
|
|
/*
|
|
* Fill memory with a known pattern.
|
|
*/
|
|
for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
|
|
WATCHDOG_RESET();
|
|
addr[offset] = pattern;
|
|
}
|
|
|
|
/*
|
|
* Check each location and invert it for the second pass.
|
|
*/
|
|
for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
|
|
WATCHDOG_RESET();
|
|
temp = addr[offset];
|
|
if (temp != pattern) {
|
|
printf("\nFAILURE (read/write) @ 0x%.8lx:"
|
|
" expected 0x%.8lx, actual 0x%.8lx)\n",
|
|
start_addr + offset*sizeof(vu_long),
|
|
pattern, temp);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
|
|
anti_pattern = ~pattern;
|
|
addr[offset] = anti_pattern;
|
|
}
|
|
|
|
/*
|
|
* Check each location for the inverted pattern and zero it.
|
|
*/
|
|
for (pattern = 1, offset = 0; offset < num_words; pattern++, offset++) {
|
|
WATCHDOG_RESET();
|
|
anti_pattern = ~pattern;
|
|
temp = addr[offset];
|
|
if (temp != anti_pattern) {
|
|
printf("\nFAILURE (read/write): @ 0x%.8lx:"
|
|
" expected 0x%.8lx, actual 0x%.8lx)\n",
|
|
start_addr + offset*sizeof(vu_long),
|
|
anti_pattern, temp);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
addr[offset] = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
|
|
vu_long pattern, int iteration)
|
|
{
|
|
vu_long *end;
|
|
vu_long *addr;
|
|
ulong errs = 0;
|
|
ulong incr, length;
|
|
ulong val, readback;
|
|
|
|
/* Alternate the pattern */
|
|
incr = 1;
|
|
if (iteration & 1) {
|
|
incr = -incr;
|
|
/*
|
|
* Flip the pattern each time to make lots of zeros and
|
|
* then, the next time, lots of ones. We decrement
|
|
* the "negative" patterns and increment the "positive"
|
|
* patterns to preserve this feature.
|
|
*/
|
|
if (pattern & 0x80000000)
|
|
pattern = -pattern; /* complement & increment */
|
|
else
|
|
pattern = ~pattern;
|
|
}
|
|
length = (end_addr - start_addr) / sizeof(ulong);
|
|
end = buf + length;
|
|
printf("\rPattern %08lX Writing..."
|
|
"%12s"
|
|
"\b\b\b\b\b\b\b\b\b\b",
|
|
pattern, "");
|
|
|
|
for (addr = buf, val = pattern; addr < end; addr++) {
|
|
WATCHDOG_RESET();
|
|
*addr = val;
|
|
val += incr;
|
|
}
|
|
|
|
puts("Reading...");
|
|
|
|
for (addr = buf, val = pattern; addr < end; addr++) {
|
|
WATCHDOG_RESET();
|
|
readback = *addr;
|
|
if (readback != val) {
|
|
ulong offset = addr - buf;
|
|
|
|
printf("\nMem error @ 0x%08X: "
|
|
"found %08lX, expected %08lX\n",
|
|
(uint)(uintptr_t)(start_addr + offset*sizeof(vu_long)),
|
|
readback, val);
|
|
errs++;
|
|
if (ctrlc())
|
|
return -1;
|
|
}
|
|
val += incr;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Perform a memory test. A more complete alternative test can be
|
|
* configured using CONFIG_SYS_ALT_MEMTEST. The complete test loops until
|
|
* interrupted by ctrl-c or by a failure of one of the sub-tests.
|
|
*/
|
|
static int do_mem_mtest(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
ulong start, end;
|
|
vu_long *buf, *dummy;
|
|
int iteration_limit;
|
|
int ret;
|
|
ulong errs = 0; /* number of errors, or -1 if interrupted */
|
|
ulong pattern;
|
|
int iteration;
|
|
#if defined(CONFIG_SYS_ALT_MEMTEST)
|
|
const int alt_test = 1;
|
|
#else
|
|
const int alt_test = 0;
|
|
#endif
|
|
|
|
if (argc > 1)
|
|
start = simple_strtoul(argv[1], NULL, 16);
|
|
else
|
|
start = CONFIG_SYS_MEMTEST_START;
|
|
|
|
if (argc > 2)
|
|
end = simple_strtoul(argv[2], NULL, 16);
|
|
else
|
|
end = CONFIG_SYS_MEMTEST_END;
|
|
|
|
if (argc > 3)
|
|
pattern = (ulong)simple_strtoul(argv[3], NULL, 16);
|
|
else
|
|
pattern = 0;
|
|
|
|
if (argc > 4)
|
|
iteration_limit = (ulong)simple_strtoul(argv[4], NULL, 16);
|
|
else
|
|
iteration_limit = 0;
|
|
|
|
printf("Testing %08x ... %08x:\n", (uint)start, (uint)end);
|
|
debug("%s:%d: start %#08lx end %#08lx\n", __func__, __LINE__,
|
|
start, end);
|
|
|
|
buf = map_sysmem(start, end - start);
|
|
dummy = map_sysmem(CONFIG_SYS_MEMTEST_SCRATCH, sizeof(vu_long));
|
|
for (iteration = 0;
|
|
!iteration_limit || iteration < iteration_limit;
|
|
iteration++) {
|
|
if (ctrlc()) {
|
|
errs = -1UL;
|
|
break;
|
|
}
|
|
|
|
printf("Iteration: %6d\r", iteration + 1);
|
|
debug("\n");
|
|
if (alt_test) {
|
|
errs = mem_test_alt(buf, start, end, dummy);
|
|
} else {
|
|
errs = mem_test_quick(buf, start, end, pattern,
|
|
iteration);
|
|
}
|
|
if (errs == -1UL)
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Work-around for eldk-4.2 which gives this warning if we try to
|
|
* case in the unmap_sysmem() call:
|
|
* warning: initialization discards qualifiers from pointer target type
|
|
*/
|
|
{
|
|
void *vbuf = (void *)buf;
|
|
void *vdummy = (void *)dummy;
|
|
|
|
unmap_sysmem(vbuf);
|
|
unmap_sysmem(vdummy);
|
|
}
|
|
|
|
if (errs == -1UL) {
|
|
/* Memory test was aborted - write a newline to finish off */
|
|
putc('\n');
|
|
ret = 1;
|
|
} else {
|
|
printf("Tested %d iteration(s) with %lu errors.\n",
|
|
iteration, errs);
|
|
ret = errs != 0;
|
|
}
|
|
|
|
return ret; /* not reached */
|
|
}
|
|
#endif /* CONFIG_CMD_MEMTEST */
|
|
|
|
/* Modify memory.
|
|
*
|
|
* Syntax:
|
|
* mm{.b, .w, .l, .q} {addr}
|
|
* nm{.b, .w, .l, .q} {addr}
|
|
*/
|
|
static int
|
|
mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
|
|
{
|
|
ulong addr;
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
u64 i;
|
|
#else
|
|
ulong i;
|
|
#endif
|
|
int nbytes, size;
|
|
void *ptr = NULL;
|
|
|
|
if (argc != 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
bootretry_reset_cmd_timeout(); /* got a good command to get here */
|
|
/* We use the last specified parameters, unless new ones are
|
|
* entered.
|
|
*/
|
|
addr = mm_last_addr;
|
|
size = mm_last_size;
|
|
|
|
if ((flag & CMD_FLAG_REPEAT) == 0) {
|
|
/* New command specified. Check for a size specification.
|
|
* Defaults to long if no or incorrect specification.
|
|
*/
|
|
if ((size = cmd_get_data_size(argv[0], 4)) < 0)
|
|
return 1;
|
|
|
|
/* Address is specified since argc > 1
|
|
*/
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
addr += base_address;
|
|
}
|
|
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
|
if (addr_dataflash(addr)){
|
|
puts ("Can't modify DataFlash in place. Use cp instead.\n\r");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BLACKFIN
|
|
if (addr_bfin_on_chip_mem(addr)) {
|
|
puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* Print the address, followed by value. Then accept input for
|
|
* the next value. A non-converted value exits.
|
|
*/
|
|
do {
|
|
ptr = map_sysmem(addr, size);
|
|
printf("%08lx:", addr);
|
|
if (size == 4)
|
|
printf(" %08x", *((u32 *)ptr));
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
else if (size == 8)
|
|
printf(" %016llx", *((u64 *)ptr));
|
|
#endif
|
|
else if (size == 2)
|
|
printf(" %04x", *((u16 *)ptr));
|
|
else
|
|
printf(" %02x", *((u8 *)ptr));
|
|
|
|
nbytes = cli_readline(" ? ");
|
|
if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) {
|
|
/* <CR> pressed as only input, don't modify current
|
|
* location and move to next. "-" pressed will go back.
|
|
*/
|
|
if (incrflag)
|
|
addr += nbytes ? -size : size;
|
|
nbytes = 1;
|
|
/* good enough to not time out */
|
|
bootretry_reset_cmd_timeout();
|
|
}
|
|
#ifdef CONFIG_BOOT_RETRY_TIME
|
|
else if (nbytes == -2) {
|
|
break; /* timed out, exit the command */
|
|
}
|
|
#endif
|
|
else {
|
|
char *endp;
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
i = simple_strtoull(console_buffer, &endp, 16);
|
|
#else
|
|
i = simple_strtoul(console_buffer, &endp, 16);
|
|
#endif
|
|
nbytes = endp - console_buffer;
|
|
if (nbytes) {
|
|
/* good enough to not time out
|
|
*/
|
|
bootretry_reset_cmd_timeout();
|
|
if (size == 4)
|
|
*((u32 *)ptr) = i;
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
else if (size == 8)
|
|
*((u64 *)ptr) = i;
|
|
#endif
|
|
else if (size == 2)
|
|
*((u16 *)ptr) = i;
|
|
else
|
|
*((u8 *)ptr) = i;
|
|
if (incrflag)
|
|
addr += size;
|
|
}
|
|
}
|
|
} while (nbytes);
|
|
if (ptr)
|
|
unmap_sysmem(ptr);
|
|
|
|
mm_last_addr = addr;
|
|
mm_last_size = size;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_CRC32
|
|
|
|
static int do_mem_crc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int flags = 0;
|
|
int ac;
|
|
char * const *av;
|
|
|
|
if (argc < 3)
|
|
return CMD_RET_USAGE;
|
|
|
|
av = argv + 1;
|
|
ac = argc - 1;
|
|
#ifdef CONFIG_HASH_VERIFY
|
|
if (strcmp(*av, "-v") == 0) {
|
|
flags |= HASH_FLAG_VERIFY;
|
|
av++;
|
|
ac--;
|
|
}
|
|
#endif
|
|
|
|
return hash_command("crc32", flags, cmdtp, flag, ac, av);
|
|
}
|
|
|
|
#endif
|
|
|
|
/**************************************************/
|
|
U_BOOT_CMD(
|
|
md, 3, 1, do_mem_md,
|
|
"memory display",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address [# of objects]"
|
|
#else
|
|
"[.b, .w, .l] address [# of objects]"
|
|
#endif
|
|
);
|
|
|
|
|
|
U_BOOT_CMD(
|
|
mm, 2, 1, do_mem_mm,
|
|
"memory modify (auto-incrementing address)",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address"
|
|
#else
|
|
"[.b, .w, .l] address"
|
|
#endif
|
|
);
|
|
|
|
|
|
U_BOOT_CMD(
|
|
nm, 2, 1, do_mem_nm,
|
|
"memory modify (constant address)",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address"
|
|
#else
|
|
"[.b, .w, .l] address"
|
|
#endif
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
mw, 4, 1, do_mem_mw,
|
|
"memory write (fill)",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address value [count]"
|
|
#else
|
|
"[.b, .w, .l] address value [count]"
|
|
#endif
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
cp, 4, 1, do_mem_cp,
|
|
"memory copy",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] source target count"
|
|
#else
|
|
"[.b, .w, .l] source target count"
|
|
#endif
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
cmp, 4, 1, do_mem_cmp,
|
|
"memory compare",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] addr1 addr2 count"
|
|
#else
|
|
"[.b, .w, .l] addr1 addr2 count"
|
|
#endif
|
|
);
|
|
|
|
#ifdef CONFIG_CMD_CRC32
|
|
|
|
#ifndef CONFIG_CRC32_VERIFY
|
|
|
|
U_BOOT_CMD(
|
|
crc32, 4, 1, do_mem_crc,
|
|
"checksum calculation",
|
|
"address count [addr]\n - compute CRC32 checksum [save at addr]"
|
|
);
|
|
|
|
#else /* CONFIG_CRC32_VERIFY */
|
|
|
|
U_BOOT_CMD(
|
|
crc32, 5, 1, do_mem_crc,
|
|
"checksum calculation",
|
|
"address count [addr]\n - compute CRC32 checksum [save at addr]\n"
|
|
"-v address count crc\n - verify crc of memory area"
|
|
);
|
|
|
|
#endif /* CONFIG_CRC32_VERIFY */
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_MEMINFO
|
|
__weak void board_show_dram(ulong size)
|
|
{
|
|
puts("DRAM: ");
|
|
print_size(size, "\n");
|
|
}
|
|
|
|
static int do_mem_info(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
board_show_dram(gd->ram_size);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
U_BOOT_CMD(
|
|
base, 2, 1, do_mem_base,
|
|
"print or set address offset",
|
|
"\n - print address offset for memory commands\n"
|
|
"base off\n - set address offset for memory commands to 'off'"
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
loop, 3, 1, do_mem_loop,
|
|
"infinite loop on address range",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address number_of_objects"
|
|
#else
|
|
"[.b, .w, .l] address number_of_objects"
|
|
#endif
|
|
);
|
|
|
|
#ifdef CONFIG_LOOPW
|
|
U_BOOT_CMD(
|
|
loopw, 4, 1, do_mem_loopw,
|
|
"infinite write loop on address range",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address number_of_objects data_to_write"
|
|
#else
|
|
"[.b, .w, .l] address number_of_objects data_to_write"
|
|
#endif
|
|
);
|
|
#endif /* CONFIG_LOOPW */
|
|
|
|
#ifdef CONFIG_CMD_MEMTEST
|
|
U_BOOT_CMD(
|
|
mtest, 5, 1, do_mem_mtest,
|
|
"simple RAM read/write test",
|
|
"[start [end [pattern [iterations]]]]"
|
|
);
|
|
#endif /* CONFIG_CMD_MEMTEST */
|
|
|
|
#ifdef CONFIG_MX_CYCLIC
|
|
U_BOOT_CMD(
|
|
mdc, 4, 1, do_mem_mdc,
|
|
"memory display cyclic",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address count delay(ms)"
|
|
#else
|
|
"[.b, .w, .l] address count delay(ms)"
|
|
#endif
|
|
);
|
|
|
|
U_BOOT_CMD(
|
|
mwc, 4, 1, do_mem_mwc,
|
|
"memory write cyclic",
|
|
#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
"[.b, .w, .l, .q] address value delay(ms)"
|
|
#else
|
|
"[.b, .w, .l] address value delay(ms)"
|
|
#endif
|
|
);
|
|
#endif /* CONFIG_MX_CYCLIC */
|
|
|
|
#ifdef CONFIG_CMD_MEMINFO
|
|
U_BOOT_CMD(
|
|
meminfo, 3, 1, do_mem_info,
|
|
"display memory information",
|
|
""
|
|
);
|
|
#endif
|
|
|