[PATCH v5 7/8] hw/arm: Set drive property for at24c eeprom

[Hao Wu]

This patch allows the user to attach an external drive as a property
for an onboard at24c eeprom device. It uses an unit number to
distinguish different devices.

Signed-off-by: Hao Wu <wuhaotsh@google.com>
---
 hw/arm/npcm7xx_boards.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c
index b083b0c572..b8337871ba 100644
--- a/hw/arm/npcm7xx_boards.c
+++ b/hw/arm/npcm7xx_boards.c
@@ -141,11 +141,16 @@ static I2CBus *npcm7xx_i2c_get_bus(NPCM7xxState *soc, 
uint32_t num)
 }
 
 static void at24c_eeprom_init(I2CBus *i2c_bus, int bus, uint8_t addr,
-                              uint32_t rsize)
+                              uint32_t rsize, int unit)
 {
     I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr);
     DeviceState *dev = DEVICE(i2c_dev);
+    DriveInfo *dinfo;
 
+    dinfo = drive_get(IF_OTHER, bus, unit);
+    if (dinfo) {
+        qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo));
+    }
     qdev_prop_set_uint32(dev, "rom-size", rsize);
     i2c_slave_realize_and_unref(i2c_dev, i2c_bus, &error_abort);
 }
@@ -252,8 +257,8 @@ static void quanta_gsj_i2c_init(NPCM7xxState *soc)
     i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 3), "tmp105", 0x5c);
     i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), "tmp105", 0x5c);
 
-    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 9), 9, 0x55, 8192);
-    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 10), 10, 0x55, 8192);
+    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 9), 9, 0x55, 8192, 0);
+    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 10), 10, 0x55, 8192, 1);
 
     /*
      * i2c-11:
@@ -360,7 +365,7 @@ static void kudo_bmc_i2c_init(NPCM7xxState *soc)
     i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), TYPE_PCA9548, 0x77);
 
     /* mbfru */
-    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 4), 4, 0x50, 8192);
+    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 4), 4, 0x50, 8192, 0);
 
     i2c_mux = i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 13),
                                       TYPE_PCA9548, 0x77);
@@ -372,7 +377,7 @@ static void kudo_bmc_i2c_init(NPCM7xxState *soc)
     i2c_slave_create_simple(pca954x_i2c_get_bus(i2c_mux, 5), "tmp105", 0x49);
 
     /* bmcfru */
-    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 14), 14, 0x55, 8192);
+    at24c_eeprom_init(npcm7xx_i2c_get_bus(soc, 14), 14, 0x55, 8192, 1);
 
     /* TODO: Add remaining i2c devices. */
 }
-- 
2.37.0.170.g444d1eabd0-goog