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ipq807x: Add ipq_mdio commands

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This command helps to debug the phy issues.

Change-Id: If8354d6826795d9ef9d44112582d3b911963bda5
Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
This commit is contained in:
Sham Muthayyan 2018-01-16 21:32:50 +05:30
parent 47bbd2ea51
commit be6400b9d7
1 changed files with 43 additions and 0 deletions
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43
drivers/net/ipq_common/ipq_mdio.c
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@ -12,6 +12,7 @@
*/
#include <common.h>
#include <command.h>
#include <miiphy.h>
#include <phy.h>
#include <asm/io.h>
@ -182,3 +183,45 @@ int ipq_sw_mdio_init(const char *name)
sprintf(bus->name, name);
return mdio_register(bus);
}
static int do_ipq_mdio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char op[2];
unsigned int addr, reg;
unsigned short data = 0;
if (argc < 2)
return CMD_RET_USAGE;
op[0] = argv[1][0];
if (strlen(argv[1]) > 1)
op[1] = argv[1][1];
else
op[1] = '\0';
if (argc >= 3)
addr = simple_strtoul(argv[2], NULL, 16);
if (argc >= 4)
reg = simple_strtoul(argv[3], NULL, 16);
if (argc >= 5)
data = simple_strtoul(argv[4], NULL, 16);
if (op[0] == 'r') {
data = ipq_mdio_read(addr, reg, NULL);
printf("0x%x\n", data);
} else if (op[0] == 'w') {
ipq_mdio_write(addr, reg, data);
} else {
return CMD_RET_USAGE;
}
return 0;
}
U_BOOT_CMD(
ipq_mdio, 5, 1, do_ipq_mdio,
"IPQ mdio utility commands",
"ipq_mdio read <addr> <reg> - read IPQ MDIO PHY <addr> register <reg>\n"
"ipq_mdio write <addr> <reg> <data> - write IPQ MDIO PHY <addr> register <reg>\n"
"Addr and/or reg may be ranges, e.g. 0-7."
);