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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 | 
| commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
| tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /arch/blackfin/lib/cmd_cache_dump.c | |
| parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
| download | olio-uboot-2014.01-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.xz olio-uboot-2014.01-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip | |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/blackfin/lib/cmd_cache_dump.c')
| -rw-r--r-- | arch/blackfin/lib/cmd_cache_dump.c | 145 | 
1 files changed, 145 insertions, 0 deletions
| diff --git a/arch/blackfin/lib/cmd_cache_dump.c b/arch/blackfin/lib/cmd_cache_dump.c new file mode 100644 index 000000000..de5840e4c --- /dev/null +++ b/arch/blackfin/lib/cmd_cache_dump.c @@ -0,0 +1,145 @@ +/* + * 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]"); |