[U-Boot] [PATCH v6 3/4] test: dm_mdio: add a 2nd register to the emulated PHY

[Alex Marginean]

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

Signed-off-by: Alex Marginean <alexm.ossl...@gmail.com>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
Acked-by: Joe Hershberger <joe.hershber...@ni.com>
---

Changes in v2:
        - no change
Changes in v3:
        - no change, just fighting with the email server
Changes in v4:
        - no change
Changes in v5:
        - no change
Changes in v6:
        - no change

 drivers/net/mdio_sandbox.c | 16 +++++++++-------
 test/dm/mdio.c             |  3 +++
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/net/mdio_sandbox.c b/drivers/net/mdio_sandbox.c
index 07515e078c..df053f5381 100644
--- a/drivers/net/mdio_sandbox.c
+++ b/drivers/net/mdio_sandbox.c
@@ -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;
 }
diff --git a/test/dm/mdio.c b/test/dm/mdio.c
index 5b66255f7d..dc229aed6d 100644
--- a/test/dm/mdio.c
+++ b/test/dm/mdio.c
@@ -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
-- 
2.17.1

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