mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-30 22:08:52 +09:00
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
|
|
* 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)
|
|
{
|
|
size_t 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, *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,
|
|
"cplbinfo- display current CPLB tables\n",
|
|
"\n"
|
|
" - display current CPLB tables\n");
|