diff options
Diffstat (limited to 'lib_blackfin/cmd_cache_dump.c')
| -rw-r--r-- | lib_blackfin/cmd_cache_dump.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/lib_blackfin/cmd_cache_dump.c b/lib_blackfin/cmd_cache_dump.c deleted file mode 100644 index de5840e..0000000 --- a/lib_blackfin/cmd_cache_dump.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * U-boot - cmd_cache_dump.c - * - * Copyright (c) 2007-2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <config.h> -#include <common.h> -#include <command.h> - -#include <asm/blackfin.h> -#include <asm/mach-common/bits/mpu.h> - -static int check_limit(const char *type, size_t start_limit, size_t end_limit, size_t start, size_t end) -{ - if (start >= start_limit && start <= end_limit && \ - end <= end_limit && end >= start_limit && \ - start <= end) - return 0; - - printf("%s limit violation: %zu <= (user:%zu) <= (user:%zu) <= %zu\n", - type, start_limit, start, end, end_limit); - return 1; -} - -int do_icache_dump(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - int cache_status = icache_status(); - - if (cache_status) - icache_disable(); - - uint32_t cmd_base, tag, cache_upper, cache_lower; - - size_t way, way_start = 0, way_end = 3; - size_t sbnk, sbnk_start = 0, sbnk_end = 3; - size_t set, set_start = 0, set_end = 31; - size_t dw; - - if (argc > 1) { - way_start = way_end = simple_strtoul(argv[1], NULL, 10); - if (argc > 2) { - sbnk_start = sbnk_end = simple_strtoul(argv[2], NULL, 10); - if (argc > 3) - set_start = set_end = simple_strtoul(argv[3], NULL, 10); - } - } - - if (check_limit("way", 0, 3, way_start, way_end) || \ - check_limit("subbank", 0, 3, sbnk_start, sbnk_end) || \ - check_limit("set", 0, 31, set_start, set_end)) - return 1; - - puts("Way:Subbank:Set: [valid-tag lower upper] {invalid-tag lower upper}...\n"); - - for (way = way_start; way <= way_end; ++way) { - for (sbnk = sbnk_start; sbnk <= sbnk_end; ++sbnk) { - for (set = set_start; set <= set_end; ++set) { - printf("%zu:%zu:%2zu: ", way, sbnk, set); - for (dw = 0; dw < 4; ++dw) { - if (ctrlc()) - return 1; - - cmd_base = \ - (way << 26) | \ - (sbnk << 16) | \ - (set << 5) | \ - (dw << 3); - - /* first read the tag */ - bfin_write_ITEST_COMMAND(cmd_base | 0x0); - SSYNC(); - tag = bfin_read_ITEST_DATA0(); - printf("%c%08x ", (tag & 0x1 ? ' ' : '{'), tag); - - /* grab the data at this loc */ - bfin_write_ITEST_COMMAND(cmd_base | 0x4); - SSYNC(); - cache_lower = bfin_read_ITEST_DATA0(); - cache_upper = bfin_read_ITEST_DATA1(); - printf("%08x %08x%c ", cache_lower, cache_upper, (tag & 0x1 ? ' ' : '}')); - } - puts("\n"); - } - } - } - - if (cache_status) - icache_enable(); - - return 0; -} - -U_BOOT_CMD(icache_dump, 4, 0, do_icache_dump, - "icache_dump - dump current instruction cache\n", - "[way] [subbank] [set]"); - -int do_dcache_dump(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - u32 way, bank, subbank, set; - u32 status, addr; - u32 dmem_ctl = bfin_read_DMEM_CONTROL(); - - for (bank = 0; bank < 2; ++bank) { - if (!(dmem_ctl & (1 << (DMC1_P - bank)))) - continue; - - for (way = 0; way < 2; ++way) - for (subbank = 0; subbank < 4; ++subbank) { - printf("%i:%i:%i:\t", bank, way, subbank); - for (set = 0; set < 64; ++set) { - - if (ctrlc()) - return 1; - - /* retrieve a cache tag */ - bfin_write_DTEST_COMMAND( - way << 26 | - bank << 23 | - subbank << 16 | - set << 5 - ); - CSYNC(); - status = bfin_read_DTEST_DATA0(); - - /* construct the address using the tag */ - addr = (status & 0xFFFFC800) | (subbank << 12) | (set << 5); - - /* show it */ - if (set && !(set % 4)) - puts("\n\t"); - printf("%c%08x%c%08x%c ", (status & 0x1 ? '[' : '{'), status, (status & 0x2 ? 'd' : ' '), addr, (status & 0x1 ? ']' : '}')); - } - puts("\n"); - } - } - - return 0; -} - -U_BOOT_CMD(dcache_dump, 4, 0, do_dcache_dump, - "dcache_dump - dump current data cache\n", - "[bank] [way] [subbank] [set]"); |