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