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rockchip: iomem: compare node name when compatible is not match 

Change-Id: I37916390efb2be5d88e45e09bec51a09fa77c056
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2019-04-10 18:36:22 +08:00 committed by Jianhong Chen
parent 510e4046a6
commit fe2fac9531
1 changed files with 42 additions and 21 deletions
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63
arch/arm/mach-rockchip/iomem.c
View File

@ -10,6 +10,11 @@
#include <dm.h>
#include <fdtdec.h>
enum ops {
SEARCH_NAME,
SEARCH_COMP,
};
void iomem_show(const char *label, unsigned long base, size_t start, size_t end)
{
unsigned long val, offset = start, nr = 0;
@ -30,57 +35,73 @@ void iomem_show(const char *label, unsigned long base, size_t start, size_t end)
printf("\n");
}
void iomem_show_by_compatible(const char *compat, size_t start, size_t end)
static int iomem_show_by_match(enum ops op, const char *search,
size_t start, size_t end)
{
const void *fdt = gd->fdt_blob;
const char *compatible;
const char *name;
fdt_addr_t addr;
int found = 0;
int offset;
if (!compat)
return;
for (offset = fdt_next_node(fdt, 0, NULL);
offset >= 0;
offset = fdt_next_node(fdt, offset, NULL)) {
compatible = fdt_getprop(fdt, offset, "compatible", NULL);
if (!compatible)
if (op == SEARCH_COMP)
name = fdt_getprop(fdt, offset, "compatible", NULL);
else if (op == SEARCH_NAME)
name = fdt_get_name(fdt, offset, NULL);
else
goto out;
if (!name)
continue;
if (strstr(compatible, compat)) {
if (strstr(name, search)) {
addr = fdtdec_get_addr_size_auto_noparent(fdt, offset,
"reg", 0, NULL, false);
compatible = fdt_getprop(fdt, offset, "compatible",
NULL);
iomem_show(compatible, addr, start, end);
if (addr == FDT_ADDR_T_NONE)
goto out;
iomem_show(name, addr, start, end);
found = 1;
break;
}
}
printf("\n");
out:
return found;
}
static int do_iomem_by_compatible(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
void iomem_show_by_compatible(const char *compat, size_t start, size_t end)
{
iomem_show_by_match(SEARCH_COMP, compat, start, end);
}
static int do_iomem_by_match(cmd_tbl_t *cmdtp, int flag,
int argc, char *const argv[])
{
size_t start, end;
const char *compat;
const char *search;
if (argc != 4)
return CMD_RET_USAGE;
compat = argv[1];
search = argv[1];
start = simple_strtoul(argv[2], NULL, 0);
end = simple_strtoul(argv[3], NULL, 0);
iomem_show_by_compatible(compat, start, end);
if (!iomem_show_by_match(SEARCH_COMP, search, start, end))
iomem_show_by_match(SEARCH_NAME, search, start, end);
return 0;
}
U_BOOT_CMD(
iomem, 4, 1, do_iomem_by_compatible,
"Show iomem data by device compatible",
"iomem <compatible> <start offset> <end offset>\n"
" eg: iomem -grf 0x0 0x200"
iomem, 4, 1, do_iomem_by_match,
"Show iomem data by device compatible(high priority) or node name",
"iomem <compatible or node name> <start offset> <end offset>\n"
" eg: iomem -grf 0x0 0x200"
" eg: iomem gpio3 0x0 0x200"
);