aspeed: Support AST2600A1 silicon revision

There are minimal differences from Qemu's point of view between the A0
and A1 silicon revisions.

As the A1 exercises different code paths in u-boot it is desirable to
emulate that instead.

Signed-off-by: Joel Stanley <joel@jms.id.au>

---
 hw/arm/aspeed.c              |  8 ++++----
 hw/arm/aspeed_ast2600.c      |  6 +++---
 hw/misc/aspeed_scu.c         | 11 +++++------
 include/hw/misc/aspeed_scu.h |  1 +
 4 files changed, 13 insertions(+), 13 deletions(-)

-- 
2.26.2

On Mon, 4 May 2020, at 19:07, Joel Stanley wrote:
> There are minimal differences from Qemu's point of view between the A0

> and A1 silicon revisions.

> 

> As the A1 exercises different code paths in u-boot it is desirable to

> emulate that instead.

> 

> Signed-off-by: Joel Stanley <joel@jms.id.au>

> ---

>  hw/arm/aspeed.c              |  8 ++++----

>  hw/arm/aspeed_ast2600.c      |  6 +++---

>  hw/misc/aspeed_scu.c         | 11 +++++------

>  include/hw/misc/aspeed_scu.h |  1 +

>  4 files changed, 13 insertions(+), 13 deletions(-)

> 

> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c

> index 99a0f3fcf36e..91301efab32d 100644

> --- a/hw/arm/aspeed.c

> +++ b/hw/arm/aspeed.c

> @@ -93,7 +93,7 @@ struct AspeedBoardState {

>  

>  /* Tacoma hardware value */

>  #define TACOMA_BMC_HW_STRAP1  0x00000000

> -#define TACOMA_BMC_HW_STRAP2  0x00000000

> +#define TACOMA_BMC_HW_STRAP2  0x00000040

>  

>  /*

>   * The max ram region is for firmwares that scan the address space

> @@ -585,7 +585,7 @@ static void 

> aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)

>      AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);

>  

>      mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";

> -    amc->soc_name  = "ast2600-a0";

> +    amc->soc_name  = "ast2600-a1";

>      amc->hw_strap1 = AST2600_EVB_HW_STRAP1;

>      amc->hw_strap2 = AST2600_EVB_HW_STRAP2;

>      amc->fmc_model = "w25q512jv";

> @@ -600,8 +600,8 @@ static void 

> aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)

>      MachineClass *mc = MACHINE_CLASS(oc);

>      AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);

>  

> -    mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";

> -    amc->soc_name  = "ast2600-a0";

> +    mc->desc       = "OpenPOWER Tacoma BMC (Cortex A7)";


Lol, whoops.

Reviewed-by: Andrew Jeffery <andrew@aj.id.au>

On 5/4/20 11:37 AM, Joel Stanley wrote:
> There are minimal differences from Qemu's point of view between the A0

> and A1 silicon revisions.

> 

> As the A1 exercises different code paths in u-boot it is desirable to

> emulate that instead.

> 

> Signed-off-by: Joel Stanley <joel@jms.id.au>


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


Thanks,

C.

> ---

>  hw/arm/aspeed.c              |  8 ++++----

>  hw/arm/aspeed_ast2600.c      |  6 +++---

>  hw/misc/aspeed_scu.c         | 11 +++++------

>  include/hw/misc/aspeed_scu.h |  1 +

>  4 files changed, 13 insertions(+), 13 deletions(-)

> 

> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c

> index 99a0f3fcf36e..91301efab32d 100644

> --- a/hw/arm/aspeed.c

> +++ b/hw/arm/aspeed.c

> @@ -93,7 +93,7 @@ struct AspeedBoardState {

>  

>  /* Tacoma hardware value */

>  #define TACOMA_BMC_HW_STRAP1  0x00000000

> -#define TACOMA_BMC_HW_STRAP2  0x00000000

> +#define TACOMA_BMC_HW_STRAP2  0x00000040

>  

>  /*

>   * The max ram region is for firmwares that scan the address space

> @@ -585,7 +585,7 @@ static void aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)

>      AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);

>  

>      mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";

> -    amc->soc_name  = "ast2600-a0";

> +    amc->soc_name  = "ast2600-a1";

>      amc->hw_strap1 = AST2600_EVB_HW_STRAP1;

>      amc->hw_strap2 = AST2600_EVB_HW_STRAP2;

>      amc->fmc_model = "w25q512jv";

> @@ -600,8 +600,8 @@ static void aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)

>      MachineClass *mc = MACHINE_CLASS(oc);

>      AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);

>  

> -    mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";

> -    amc->soc_name  = "ast2600-a0";

> +    mc->desc       = "OpenPOWER Tacoma BMC (Cortex A7)";

> +    amc->soc_name  = "ast2600-a1";

>      amc->hw_strap1 = TACOMA_BMC_HW_STRAP1;

>      amc->hw_strap2 = TACOMA_BMC_HW_STRAP2;

>      amc->fmc_model = "mx66l1g45g";

> diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c

> index 1a869e09b96a..c6e0ab84ac86 100644

> --- a/hw/arm/aspeed_ast2600.c

> +++ b/hw/arm/aspeed_ast2600.c

> @@ -557,9 +557,9 @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)

>  

>      dc->realize      = aspeed_soc_ast2600_realize;

>  

> -    sc->name         = "ast2600-a0";

> +    sc->name         = "ast2600-a1";

>      sc->cpu_type     = ARM_CPU_TYPE_NAME("cortex-a7");

> -    sc->silicon_rev  = AST2600_A0_SILICON_REV;

> +    sc->silicon_rev  = AST2600_A1_SILICON_REV;

>      sc->sram_size    = 0x10000;

>      sc->spis_num     = 2;

>      sc->ehcis_num    = 2;

> @@ -571,7 +571,7 @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)

>  }

>  

>  static const TypeInfo aspeed_soc_ast2600_type_info = {

> -    .name           = "ast2600-a0",

> +    .name           = "ast2600-a1",

>      .parent         = TYPE_ASPEED_SOC,

>      .instance_size  = sizeof(AspeedSoCState),

>      .instance_init  = aspeed_soc_ast2600_init,

> diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c

> index 9d7482a9df19..ec4fef900e27 100644

> --- a/hw/misc/aspeed_scu.c

> +++ b/hw/misc/aspeed_scu.c

> @@ -431,6 +431,7 @@ static uint32_t aspeed_silicon_revs[] = {

>      AST2500_A0_SILICON_REV,

>      AST2500_A1_SILICON_REV,

>      AST2600_A0_SILICON_REV,

> +    AST2600_A1_SILICON_REV,

>  };

>  

>  bool is_supported_silicon_rev(uint32_t silicon_rev)

> @@ -649,12 +650,10 @@ static const MemoryRegionOps aspeed_ast2600_scu_ops = {

>      .valid.unaligned = false,

>  };

>  

> -static const uint32_t ast2600_a0_resets[ASPEED_AST2600_SCU_NR_REGS] = {

> -    [AST2600_SILICON_REV]       = AST2600_SILICON_REV,

> -    [AST2600_SILICON_REV2]      = AST2600_SILICON_REV,

> -    [AST2600_SYS_RST_CTRL]      = 0xF7CFFEDC | 0x100,

> +static const uint32_t ast2600_a1_resets[ASPEED_AST2600_SCU_NR_REGS] = {

> +    [AST2600_SYS_RST_CTRL]      = 0xF7C3FED8,

>      [AST2600_SYS_RST_CTRL2]     = 0xFFFFFFFC,

> -    [AST2600_CLK_STOP_CTRL]     = 0xEFF43E8B,

> +    [AST2600_CLK_STOP_CTRL]     = 0xFFFF7F8A,

>      [AST2600_CLK_STOP_CTRL2]    = 0xFFF0FFF0,

>      [AST2600_SDRAM_HANDSHAKE]   = 0x00000040,  /* SoC completed DRAM init */

>      [AST2600_HPLL_PARAM]        = 0x1000405F,

> @@ -684,7 +683,7 @@ static void aspeed_2600_scu_class_init(ObjectClass *klass, void *data)

>  

>      dc->desc = "ASPEED 2600 System Control Unit";

>      dc->reset = aspeed_ast2600_scu_reset;

> -    asc->resets = ast2600_a0_resets;

> +    asc->resets = ast2600_a1_resets;

>      asc->calc_hpll = aspeed_2500_scu_calc_hpll; /* No change since AST2500 */

>      asc->apb_divider = 4;

>      asc->nr_regs = ASPEED_AST2600_SCU_NR_REGS;

> diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h

> index 1d7f7ffc1598..a6739bb846b6 100644

> --- a/include/hw/misc/aspeed_scu.h

> +++ b/include/hw/misc/aspeed_scu.h

> @@ -41,6 +41,7 @@ typedef struct AspeedSCUState {

>  #define AST2500_A0_SILICON_REV   0x04000303U

>  #define AST2500_A1_SILICON_REV   0x04010303U

>  #define AST2600_A0_SILICON_REV   0x05000303U

> +#define AST2600_A1_SILICON_REV   0x05010303U

>  

>  #define ASPEED_IS_AST2500(si_rev)     ((((si_rev) >> 24) & 0xff) == 0x04)

>  

>

On Mon, 4 May 2020 at 10:37, Joel Stanley <joel@jms.id.au> wrote:
>

> There are minimal differences from Qemu's point of view between the A0

> and A1 silicon revisions.

>

> As the A1 exercises different code paths in u-boot it is desirable to

> emulate that instead.

>

> Signed-off-by: Joel Stanley <joel@jms.id.au>




Applied to target-arm.next, thanks.

-- PMM