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test: dm_mdio: add a 2nd register to the emulated PHY 

This 2nd register is used by the follow-up MDIO MUX test.

Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Alex Marginean 2019-07-12 10:13:52 +03:00 committed by Joe Hershberger
parent 20af5adf22
commit b47edf8069
2 changed files with 12 additions and 7 deletions
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16
drivers/net/mdio_sandbox.c
View File

@ -9,11 +9,11 @@
#include <miiphy.h>
#define SANDBOX_PHY_ADDR 5
#define SANDBOX_PHY_REG 0
#define SANDBOX_PHY_REG_CNT 2
struct mdio_sandbox_priv {
int enabled;
u16 reg;
u16 reg[SANDBOX_PHY_REG_CNT];
};
static int mdio_sandbox_read(struct udevice *dev, int addr, int devad, int reg)
@ -27,10 +27,10 @@ static int mdio_sandbox_read(struct udevice *dev, int addr, int devad, int reg)
return -ENODEV;
if (devad != MDIO_DEVAD_NONE)
return -ENODEV;
if (reg != SANDBOX_PHY_REG)
if (reg < 0 || reg > SANDBOX_PHY_REG_CNT)
return -ENODEV;
return priv->reg;
return priv->reg[reg];
}
static int mdio_sandbox_write(struct udevice *dev, int addr, int devad, int reg,
@ -45,10 +45,10 @@ static int mdio_sandbox_write(struct udevice *dev, int addr, int devad, int reg,
return -ENODEV;
if (devad != MDIO_DEVAD_NONE)
return -ENODEV;
if (reg != SANDBOX_PHY_REG)
if (reg < 0 || reg > SANDBOX_PHY_REG_CNT)
return -ENODEV;
priv->reg = val;
priv->reg[reg] = val;
return 0;
}
@ -56,8 +56,10 @@ static int mdio_sandbox_write(struct udevice *dev, int addr, int devad, int reg,
static int mdio_sandbox_reset(struct udevice *dev)
{
struct mdio_sandbox_priv *priv = dev_get_priv(dev);
int i;
priv->reg = 0;
for (i = 0; i < SANDBOX_PHY_REG_CNT; i++)
priv->reg[i] = 0;
return 0;
}

3
test/dm/mdio.c
View File

@ -13,6 +13,9 @@
/* macros copied over from mdio_sandbox.c */
#define SANDBOX_PHY_ADDR 5
#define SANDBOX_PHY_REG_CNT 2
/* test using 1st register, 0 */
#define SANDBOX_PHY_REG 0
#define TEST_REG_VALUE 0xabcd