Signed-off-by: Mike Frysinger <vapier@gentoo.org>master
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aadb72503c
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cf675d3b2b
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/*
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* cmd_cplbinfo.c - dump the instruction/data cplb tables |
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* |
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* Copyright (c) 2007-2008 Analog Devices Inc. |
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* |
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* Licensed under the GPL-2 or later. |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <asm/blackfin.h> |
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#include <asm/cplb.h> |
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#include <asm/mach-common/bits/mpu.h> |
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/*
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* Translate the PAGE_SIZE bits into a human string |
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*/ |
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static const char *cplb_page_size(uint32_t data) |
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{ |
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static const char page_size_string_table[][4] = { "1K", "4K", "1M", "4M" }; |
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return page_size_string_table[(data & PAGE_SIZE_MASK) >> PAGE_SIZE_SHIFT]; |
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} |
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/*
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* show a hardware cplb table |
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*/ |
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static void show_cplb_table(uint32_t *addr, uint32_t *data) |
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{ |
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size_t i; |
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printf(" Address Data Size Valid Locked\n"); |
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for (i = 1; i <= 16; ++i) { |
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printf(" %2i 0x%p 0x%05X %s %c %c\n", |
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i, *addr, *data, |
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cplb_page_size(*data), |
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(*data & CPLB_VALID ? 'Y' : 'N'), |
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(*data & CPLB_LOCK ? 'Y' : 'N')); |
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++addr; |
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++data; |
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} |
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} |
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/*
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* display current instruction and data cplb tables |
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*/ |
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int do_cplbinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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printf("%s CPLB table [%08x]:\n", "Instruction", *(uint32_t *)DMEM_CONTROL); |
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show_cplb_table((uint32_t *)ICPLB_ADDR0, (uint32_t *)ICPLB_DATA0); |
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printf("%s CPLB table [%08x]:\n", "Data", *(uint32_t *)IMEM_CONTROL); |
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show_cplb_table((uint32_t *)DCPLB_ADDR0, (uint32_t *)DCPLB_DATA0); |
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return 0; |
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} |
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U_BOOT_CMD(cplbinfo, 1, 0, do_cplbinfo, |
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"cplbinfo- display current CPLB tables\n", |
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"\n" |
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" - display current CPLB tables\n"); |
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