Re: [PATCH] aspeed: Add support for the quanta-q7l1-bmc board

[Patrick Venture]

On Fri, Apr 16, 2021 at 9:40 AM Cédric Le Goater <clg@kaod.org> wrote:
>
> Patrick,
>
> On 4/16/21 6:24 PM, Patrick Venture wrote:
> > The Quanta-Q71l BMC board is a board supported by OpenBMC.
> >
> > Tested: Booted quanta-q71l firmware.
> > Signed-off-by: Patrick Venture <venture@google.com>
> > Reviewed-by: Hao Wu <wuhaotsh@google.com>
>
> This looks good.
>
> Reviewed-by: Cédric Le Goater <clg@kaod.org>
>
> Some comments below,
>
>
> > ---
> >  hw/arm/aspeed.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 62 insertions(+)
> >
> > diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> > index a17b75f494..4611996d21 100644
> > --- a/hw/arm/aspeed.c
> > +++ b/hw/arm/aspeed.c
> > @@ -138,6 +138,19 @@ struct AspeedMachineState {
> >  /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
> >  #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
> >
> > +/* Quanta-Q71l hardware value */
> > +#define QUANTA_Q71L_BMC_HW_STRAP1 (                                     \
> > +        SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_128MB) |               \
> > +        SCU_AST2400_HW_STRAP_DRAM_CONFIG(2/* DDR3 with CL=6, CWL=5 */) | \
> > +        SCU_AST2400_HW_STRAP_ACPI_DIS |                                 \
> > +        SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_24M_IN) |       \
> > +        SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
> > +        SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_PASS_THROUGH) |          \
> > +        SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) 
> > | \
> > +        SCU_HW_STRAP_SPI_WIDTH |                                        \
> > +        SCU_HW_STRAP_VGA_SIZE_SET(VGA_8M_DRAM) |                        \
> > +        SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
> > +
> >  /* AST2600 evb hardware value */
> >  #define AST2600_EVB_HW_STRAP1 0x000000C0
> >  #define AST2600_EVB_HW_STRAP2 0x00000003
> > @@ -433,6 +446,34 @@ static void palmetto_bmc_i2c_init(AspeedMachineState 
> > *bmc)
> >      object_property_set_int(OBJECT(dev), "temperature3", 110000, 
> > &error_abort);
> >  }
> >
> > +static void quanta_q71l_bmc_i2c_init(AspeedMachineState *bmc)
> > +{
> > +    AspeedSoCState *soc = &bmc->soc;
> > +
> > +    /*
> > +     * The quanta-q71l platform expects tmp75s which are compatible with
> > +     * tmp105s.
> > +     */
> > +    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 
> > 0x4c);
> > +    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 
> > 0x4e);
> > +    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 
> > 0x4f);
> > +
> > +    /* TODO: i2c-1: Add baseboard FRU eeprom@54 24c64 */
>
> Why not add the eeprom devices ?

I wanted to provide this ahead of filling it all out, I also have the
pca954x staged, and some other devices to add.  If you want, I can add
those and make this into a patch series instead of a one-off.

>
> > +    /* TODO: i2c-1: Add Frontpanel FRU eeprom@57 24c64 */
> > +    /* TODO: Add Memory Riser i2c mux and eeproms. */
> > +
> > +    /* TODO: i2c-2: pca9546@74 */
> > +    /* TODO: i2c-2: pca9548@77 */
> > +    /* TODO: i2c-3: Add BIOS FRU eeprom@56 24c64 */
> > +    /* TODO: i2c-7: Add pca9546@70 */
> > +    /*        - i2c@0: pmbus@59 */
> > +    /*        - i2c@1: pmbus@58 */
> > +    /*        - i2c@2: pmbus@58 */
> > +    /*        - i2c@3: pmbus@59 */
> > +    /* TODO: i2c-7: Add PDB FRU eeprom@52 */
> > +    /* TODO: i2c-8: Add BMC FRU eeprom@50 */
> > +}
> > +
> >  static void ast2500_evb_i2c_init(AspeedMachineState *bmc)
> >  {
> >      AspeedSoCState *soc = &bmc->soc;
> > @@ -728,6 +769,23 @@ static void 
> > aspeed_machine_palmetto_class_init(ObjectClass *oc, void *data)
> >          aspeed_soc_num_cpus(amc->soc_name);
> >  };
> >
> > +static void aspeed_machine_quanta_q71l_class_init(ObjectClass *oc, void 
> > *data)
> > +{
> > +    MachineClass *mc = MACHINE_CLASS(oc);
> > +    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
> > +
> > +    mc->desc       = "Quanta-Q71l BMC (ARM926EJ-S)";
> > +    amc->soc_name  = "ast2400-a1";
> > +    amc->hw_strap1 = QUANTA_Q71L_BMC_HW_STRAP1;
> > +    amc->fmc_model = "n25q256a";
> > +    amc->spi_model = "mx25l25635e";
> > +    amc->num_cs    = 1;
> > +    amc->i2c_init  = quanta_q71l_bmc_i2c_init;
> > +    mc->default_ram_size       = 128 * MiB;
>
> I thought the board had more RAM ?

It does not :(  Trying to maintain OpenBMC with such little memory
overhead has been less than fun, but it's do-able.

>
> Thanks,
>
> C.
>
> > +    mc->default_cpus = mc->min_cpus = mc->max_cpus =
> > +        aspeed_soc_num_cpus(amc->soc_name);
> > +}
> > +
> >  static void aspeed_machine_supermicrox11_bmc_class_init(ObjectClass *oc,
> >                                                          void *data)
> >  {
> > @@ -927,6 +985,10 @@ static const TypeInfo aspeed_machine_types[] = {
> >          .name          = MACHINE_TYPE_NAME("g220a-bmc"),
> >          .parent        = TYPE_ASPEED_MACHINE,
> >          .class_init    = aspeed_machine_g220a_class_init,
> > +    }, {
> > +        .name          = MACHINE_TYPE_NAME("quanta-q71l-bmc"),
> > +        .parent        = TYPE_ASPEED_MACHINE,
> > +        .class_init    = aspeed_machine_quanta_q71l_class_init,
> >      }, {
> >          .name          = TYPE_ASPEED_MACHINE,
> >          .parent        = TYPE_MACHINE,
> >
>