Re: [Qemu-arm] [PATCH v2 4/6] aspeed: Add EEPROM I2C devices

[Andrew Jeffery]

On Wed, 2017-09-20 at 09:01 +0200, Cédric Le Goater wrote:
> The Aspeed boards have at least one EEPROM to hold the Vital Product
> Data (VPD).
> 
> Signed-off-by: Cédric Le Goater <address@hidden>

Reviewed-by: Andrew Jeffery <address@hidden>

> ---
> 
> Changes since v1:
> 
>  - fixed palmetto EEPROM size
>  - used smbus_eeprom_init_one()
> 
> hw/arm/aspeed.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> index 362b683e9021..462f8008cff5 100644
> --- a/hw/arm/aspeed.c
> +++ b/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 "sysemu/blockdev.h"
> @@ -255,11 +256,15 @@ 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);
> @@ -297,6 +302,10 @@ 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);
> @@ -368,6 +377,7 @@ 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);
> @@ -377,6 +387,9 @@ 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)

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