Re: [PATCH] aspeed: Add support for the sonorapass-bmc board

["Cédric Le Goater" <clg@kaod.org>]

On 5/1/20 1:37 PM, Patrick Williams wrote:
> Sonora Pass is a 2 socket x86 motherboard designed by Facebook
> and supported by OpenBMC.  Strapping configuration was obtained
> from hardware and i2c configuration is based on dts found at:
> 
> https://github.com/facebook/openbmc-linux/blob/1633c87b8ba7c162095787c988979b748ba65dc8/arch/arm/boot/dts/aspeed-bmc-facebook-sonorapass.dts
> 
> Booted a test image of http://github.com/facebook/openbmc to login
> prompt.
> 
> Signed-off-by: Patrick Williams <patrick@stwcx.xyz>

With the fixed // comments,

Reviewed-by: Cédric Le Goater <clg@kaod.org>

Thanks,

C.

> ---
>  hw/arm/aspeed.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 76 insertions(+)
> 
> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> index a6a2102a93..09b3277d56 100644
> --- a/hw/arm/aspeed.c
> +++ b/hw/arm/aspeed.c
> @@ -84,6 +84,21 @@ struct AspeedBoardState {
>          SCU_AST2500_HW_STRAP_ACPI_ENABLE |                              \
>          SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
>  
> +/* Sonorapass hardware value: 0xF100D216 */
> +#define SONORAPASS_BMC_HW_STRAP1 (                                      \
> +        SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
> +        SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
> +        SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
> +        SCU_AST2500_HW_STRAP_RESERVED28 |                               \
> +        SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
> +        SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
> +        SCU_HW_STRAP_LPC_RESET_PIN |                                    \
> +        SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER) |                \
> +        SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) |     \
> +        SCU_HW_STRAP_VGA_BIOS_ROM |                                     \
> +        SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) |                       \
> +        SCU_AST2500_HW_STRAP_RESERVED1)
> +
>  /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
>  #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
>  
> @@ -372,6 +387,48 @@ static void swift_bmc_i2c_init(AspeedBoardState *bmc)
>      i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 12), "tmp105", 0x4a);
>  }
>  
> +static void sonorapass_bmc_i2c_init(AspeedBoardState *bmc)
> +{
> +    AspeedSoCState *soc = &bmc->soc;
> +
> +    // bus 2 :
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x48);
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x49);
> +    // bus 2 : pca9546 @ 0x73
> +
> +    // bus 3 : pca9548 @ 0x70
> +
> +    // bus 4 :
> +    uint8_t *eeprom4_54 = g_malloc0( 8 * 1024 );
> +    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), 0x54,
> +                          eeprom4_54);
> +    /* PCA9539 @ 0x76, but PCA9552 is compatible */
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x76);
> +    /* PCA9539 @ 0x77, but PCA9552 is compatible */
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x77);
> +
> +    // bus 6 :
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x48);
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x49);
> +    // bus 6 : pca9546 @ 0x73
> +
> +    // bus 8 :
> +    uint8_t *eeprom8_56 = g_malloc0( 8 * 1024 );
> +    smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), 0x56,
> +                          eeprom8_56);
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x60);
> +    i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x61);
> +    // bus 8 : adc128d818 @ 0x1d
> +    // bus 8 : adc128d818 @ 0x1f
> +
> +    // bus 13 : pca9548 @ 0x71
> +    //      - channel 3:
> +    //          - tmm421 @ 0x4c
> +    //          - tmp421 @ 0x4e
> +    //          - tmp421 @ 0x4f
> +
> +}
> +
>  static void witherspoon_bmc_i2c_init(AspeedBoardState *bmc)
>  {
>      AspeedSoCState *soc = &bmc->soc;
> @@ -499,6 +556,21 @@ static void aspeed_machine_swift_class_init(ObjectClass *oc, void *data)
>      mc->default_ram_size       = 512 * MiB;
>  };
>  
> +static void aspeed_machine_sonorapass_class_init(ObjectClass *oc, void *data)
> +{
> +    MachineClass *mc = MACHINE_CLASS(oc);
> +    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
> +
> +    mc->desc       = "OpenPOWER SonoraPass BMC (ARM1176)";
> +    amc->soc_name  = "ast2500-a1";
> +    amc->hw_strap1 = SONORAPASS_BMC_HW_STRAP1;
> +    amc->fmc_model = "mx66l1g45g";
> +    amc->spi_model = "mx66l1g45g";
> +    amc->num_cs    = 2;
> +    amc->i2c_init  = sonorapass_bmc_i2c_init;
> +    mc->default_ram_size       = 512 * MiB;
> +};
> +
>  static void aspeed_machine_witherspoon_class_init(ObjectClass *oc, void *data)
>  {
>      MachineClass *mc = MACHINE_CLASS(oc);
> @@ -563,6 +635,10 @@ static const TypeInfo aspeed_machine_types[] = {
>          .name          = MACHINE_TYPE_NAME("swift-bmc"),
>          .parent        = TYPE_ASPEED_MACHINE,
>          .class_init    = aspeed_machine_swift_class_init,
> +    }, {
> +        .name          = MACHINE_TYPE_NAME("sonorapass-bmc"),
> +        .parent        = TYPE_ASPEED_MACHINE,
> +        .class_init    = aspeed_machine_sonorapass_class_init,
>      }, {
>          .name          = MACHINE_TYPE_NAME("witherspoon-bmc"),
>          .parent        = TYPE_ASPEED_MACHINE,
>