aspeed: Add EEPROM I2C devices

The Aspeed boards have at least one EEPROM to hold the Vital Product
Data (VPD).

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 20180530064049.27976-6-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/aspeed.c

@@ -17,6 +17,7 @@
 #include "hw/arm/arm.h"
 #include "hw/arm/aspeed_soc.h"
 #include "hw/boards.h"
+#include "hw/i2c/smbus.h"
 #include "qemu/log.h"
 #include "sysemu/block-backend.h"
 #include "hw/loader.h"
@@ -263,11 +264,15 @@ static void palmetto_bmc_i2c_init(AspeedBoardState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
     DeviceState *dev;
+    uint8_t *eeprom_buf = g_malloc0(32 * 1024);
 
     /* The palmetto platform expects a ds3231 RTC but a ds1338 is
      * enough to provide basic RTC features. Alarms will be missing */
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), "ds1338", 0x68);
 
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), 0x50,
+                          eeprom_buf);
+
     /* add a TMP423 temperature sensor */
     dev = i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2),
                            "tmp423", 0x4c);
@@ -304,6 +309,10 @@ static const TypeInfo palmetto_bmc_type = {
 static void ast2500_evb_i2c_init(AspeedBoardState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
+    uint8_t *eeprom_buf = g_malloc0(8 * 1024);
+
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 3), 0x50,
+                          eeprom_buf);
 
     /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "tmp105", 0x4d);
@@ -373,6 +382,7 @@ static const TypeInfo romulus_bmc_type = {
 static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc)
 {
     AspeedSoCState *soc = &bmc->soc;
+    uint8_t *eeprom_buf = g_malloc0(8 * 1024);
 
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "tmp423", 0x4c);
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 5), "tmp423", 0x4c);
@@ -383,6 +393,9 @@ static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc)
     /* The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
      * good enough */
     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338", 0x32);
+
+    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), 0x51,
+                          eeprom_buf);
 }
 
 static void witherspoon_bmc_init(MachineState *machine)