diff mbox series

[RESEND,2/9] hw/riscv: microchip_pfsoc: Connect DDR memory controller modules

Message ID 20201027141740.18336-3-bmeng.cn@gmail.com
State New
Headers show
Series None | expand

Commit Message

Bin Meng Oct. 27, 2020, 2:17 p.m. UTC
From: Bin Meng <bin.meng@windriver.com>

Connect DDR SGMII PHY module and CFG module to the PolarFire SoC.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
---

 hw/riscv/Kconfig                   |  1 +
 hw/riscv/microchip_pfsoc.c         | 18 ++++++++++++++++++
 include/hw/riscv/microchip_pfsoc.h |  5 +++++
 3 files changed, 24 insertions(+)

Comments

Alistair Francis Oct. 27, 2020, 5:37 p.m. UTC | #1
On Tue, Oct 27, 2020 at 7:46 AM Bin Meng <bmeng.cn@gmail.com> wrote:
>

> From: Bin Meng <bin.meng@windriver.com>

>

> Connect DDR SGMII PHY module and CFG module to the PolarFire SoC.

>

> Signed-off-by: Bin Meng <bin.meng@windriver.com>

> ---

>

>  hw/riscv/Kconfig                   |  1 +

>  hw/riscv/microchip_pfsoc.c         | 18 ++++++++++++++++++

>  include/hw/riscv/microchip_pfsoc.h |  5 +++++

>  3 files changed, 24 insertions(+)

>

> diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig

> index 2df978fe8d..c8e50bde99 100644

> --- a/hw/riscv/Kconfig

> +++ b/hw/riscv/Kconfig

> @@ -4,6 +4,7 @@ config IBEX

>  config MICROCHIP_PFSOC

>      bool

>      select CADENCE_SDHCI

> +    select MCHP_PFSOC_DMC

>      select MCHP_PFSOC_MMUART

>      select MSI_NONBROKEN

>      select SIFIVE_CLINT

> diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c

> index 4627179cd3..85be2bcde8 100644

> --- a/hw/riscv/microchip_pfsoc.c

> +++ b/hw/riscv/microchip_pfsoc.c

> @@ -15,6 +15,7 @@

>   * 4) Cadence eMMC/SDHC controller and an SD card connected to it

>   * 5) SiFive Platform DMA (Direct Memory Access Controller)

>   * 6) GEM (Gigabit Ethernet MAC Controller)

> + * 7) DMC (DDR Memory Controller)

>   *

>   * This board currently generates devicetree dynamically that indicates at least

>   * two harts and up to five harts.

> @@ -85,7 +86,9 @@ static const struct MemmapEntry {

>      [MICROCHIP_PFSOC_MMUART0] =         { 0x20000000,     0x1000 },

>      [MICROCHIP_PFSOC_SYSREG] =          { 0x20002000,     0x2000 },

>      [MICROCHIP_PFSOC_MPUCFG] =          { 0x20005000,     0x1000 },

> +    [MICROCHIP_PFSOC_DDR_SGMII_PHY] =   { 0x20007000,     0x1000 },

>      [MICROCHIP_PFSOC_EMMC_SD] =         { 0x20008000,     0x1000 },

> +    [MICROCHIP_PFSOC_DDR_CFG] =         { 0x20080000,    0x40000 },


Neither of these are documented....

Maybe just add a single comment above the memory layout clarifying
that this is not what is documented from the SoC but is instead based
on what guests do?

It seems to be a constant problem with this board, unless I am really
misreading the memory map.

Alistair

>      [MICROCHIP_PFSOC_MMUART1] =         { 0x20100000,     0x1000 },

>      [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,     0x1000 },

>      [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,     0x1000 },

> @@ -131,6 +134,11 @@ static void microchip_pfsoc_soc_instance_init(Object *obj)

>      object_initialize_child(obj, "dma-controller", &s->dma,

>                              TYPE_SIFIVE_PDMA);

>

> +    object_initialize_child(obj, "ddr-sgmii-phy", &s->ddr_sgmii_phy,

> +                            TYPE_MCHP_PFSOC_DDR_SGMII_PHY);

> +    object_initialize_child(obj, "ddr-cfg", &s->ddr_cfg,

> +                            TYPE_MCHP_PFSOC_DDR_CFG);

> +

>      object_initialize_child(obj, "gem0", &s->gem0, TYPE_CADENCE_GEM);

>      object_initialize_child(obj, "gem1", &s->gem1, TYPE_CADENCE_GEM);

>

> @@ -260,6 +268,16 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)

>          memmap[MICROCHIP_PFSOC_MPUCFG].base,

>          memmap[MICROCHIP_PFSOC_MPUCFG].size);

>

> +    /* DDR SGMII PHY */

> +    sysbus_realize(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), errp);

> +    sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), 0,

> +                    memmap[MICROCHIP_PFSOC_DDR_SGMII_PHY].base);

> +

> +    /* DDR CFG */

> +    sysbus_realize(SYS_BUS_DEVICE(&s->ddr_cfg), errp);

> +    sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_cfg), 0,

> +                    memmap[MICROCHIP_PFSOC_DDR_CFG].base);

> +

>      /* SDHCI */

>      sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp);

>      sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,

> diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h

> index 8bfc7e1a85..5b81e26241 100644

> --- a/include/hw/riscv/microchip_pfsoc.h

> +++ b/include/hw/riscv/microchip_pfsoc.h

> @@ -24,6 +24,7 @@

>

>  #include "hw/char/mchp_pfsoc_mmuart.h"

>  #include "hw/dma/sifive_pdma.h"

> +#include "hw/misc/mchp_pfsoc_dmc.h"

>  #include "hw/net/cadence_gem.h"

>  #include "hw/sd/cadence_sdhci.h"

>

> @@ -37,6 +38,8 @@ typedef struct MicrochipPFSoCState {

>      RISCVHartArrayState e_cpus;

>      RISCVHartArrayState u_cpus;

>      DeviceState *plic;

> +    MchpPfSoCDdrSgmiiPhyState ddr_sgmii_phy;

> +    MchpPfSoCDdrCfgState ddr_cfg;

>      MchpPfSoCMMUartState *serial0;

>      MchpPfSoCMMUartState *serial1;

>      MchpPfSoCMMUartState *serial2;

> @@ -82,7 +85,9 @@ enum {

>      MICROCHIP_PFSOC_MMUART0,

>      MICROCHIP_PFSOC_SYSREG,

>      MICROCHIP_PFSOC_MPUCFG,

> +    MICROCHIP_PFSOC_DDR_SGMII_PHY,

>      MICROCHIP_PFSOC_EMMC_SD,

> +    MICROCHIP_PFSOC_DDR_CFG,

>      MICROCHIP_PFSOC_MMUART1,

>      MICROCHIP_PFSOC_MMUART2,

>      MICROCHIP_PFSOC_MMUART3,

> --

> 2.25.1

>

>
diff mbox series

Patch

diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig
index 2df978fe8d..c8e50bde99 100644
--- a/hw/riscv/Kconfig
+++ b/hw/riscv/Kconfig
@@ -4,6 +4,7 @@  config IBEX
 config MICROCHIP_PFSOC
     bool
     select CADENCE_SDHCI
+    select MCHP_PFSOC_DMC
     select MCHP_PFSOC_MMUART
     select MSI_NONBROKEN
     select SIFIVE_CLINT
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index 4627179cd3..85be2bcde8 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -15,6 +15,7 @@ 
  * 4) Cadence eMMC/SDHC controller and an SD card connected to it
  * 5) SiFive Platform DMA (Direct Memory Access Controller)
  * 6) GEM (Gigabit Ethernet MAC Controller)
+ * 7) DMC (DDR Memory Controller)
  *
  * This board currently generates devicetree dynamically that indicates at least
  * two harts and up to five harts.
@@ -85,7 +86,9 @@  static const struct MemmapEntry {
     [MICROCHIP_PFSOC_MMUART0] =         { 0x20000000,     0x1000 },
     [MICROCHIP_PFSOC_SYSREG] =          { 0x20002000,     0x2000 },
     [MICROCHIP_PFSOC_MPUCFG] =          { 0x20005000,     0x1000 },
+    [MICROCHIP_PFSOC_DDR_SGMII_PHY] =   { 0x20007000,     0x1000 },
     [MICROCHIP_PFSOC_EMMC_SD] =         { 0x20008000,     0x1000 },
+    [MICROCHIP_PFSOC_DDR_CFG] =         { 0x20080000,    0x40000 },
     [MICROCHIP_PFSOC_MMUART1] =         { 0x20100000,     0x1000 },
     [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,     0x1000 },
     [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,     0x1000 },
@@ -131,6 +134,11 @@  static void microchip_pfsoc_soc_instance_init(Object *obj)
     object_initialize_child(obj, "dma-controller", &s->dma,
                             TYPE_SIFIVE_PDMA);
 
+    object_initialize_child(obj, "ddr-sgmii-phy", &s->ddr_sgmii_phy,
+                            TYPE_MCHP_PFSOC_DDR_SGMII_PHY);
+    object_initialize_child(obj, "ddr-cfg", &s->ddr_cfg,
+                            TYPE_MCHP_PFSOC_DDR_CFG);
+
     object_initialize_child(obj, "gem0", &s->gem0, TYPE_CADENCE_GEM);
     object_initialize_child(obj, "gem1", &s->gem1, TYPE_CADENCE_GEM);
 
@@ -260,6 +268,16 @@  static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)
         memmap[MICROCHIP_PFSOC_MPUCFG].base,
         memmap[MICROCHIP_PFSOC_MPUCFG].size);
 
+    /* DDR SGMII PHY */
+    sysbus_realize(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), errp);
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), 0,
+                    memmap[MICROCHIP_PFSOC_DDR_SGMII_PHY].base);
+
+    /* DDR CFG */
+    sysbus_realize(SYS_BUS_DEVICE(&s->ddr_cfg), errp);
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_cfg), 0,
+                    memmap[MICROCHIP_PFSOC_DDR_CFG].base);
+
     /* SDHCI */
     sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp);
     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h
index 8bfc7e1a85..5b81e26241 100644
--- a/include/hw/riscv/microchip_pfsoc.h
+++ b/include/hw/riscv/microchip_pfsoc.h
@@ -24,6 +24,7 @@ 
 
 #include "hw/char/mchp_pfsoc_mmuart.h"
 #include "hw/dma/sifive_pdma.h"
+#include "hw/misc/mchp_pfsoc_dmc.h"
 #include "hw/net/cadence_gem.h"
 #include "hw/sd/cadence_sdhci.h"
 
@@ -37,6 +38,8 @@  typedef struct MicrochipPFSoCState {
     RISCVHartArrayState e_cpus;
     RISCVHartArrayState u_cpus;
     DeviceState *plic;
+    MchpPfSoCDdrSgmiiPhyState ddr_sgmii_phy;
+    MchpPfSoCDdrCfgState ddr_cfg;
     MchpPfSoCMMUartState *serial0;
     MchpPfSoCMMUartState *serial1;
     MchpPfSoCMMUartState *serial2;
@@ -82,7 +85,9 @@  enum {
     MICROCHIP_PFSOC_MMUART0,
     MICROCHIP_PFSOC_SYSREG,
     MICROCHIP_PFSOC_MPUCFG,
+    MICROCHIP_PFSOC_DDR_SGMII_PHY,
     MICROCHIP_PFSOC_EMMC_SD,
+    MICROCHIP_PFSOC_DDR_CFG,
     MICROCHIP_PFSOC_MMUART1,
     MICROCHIP_PFSOC_MMUART2,
     MICROCHIP_PFSOC_MMUART3,