The PLB is shared between 405 and 440 so move it to the shared file.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
hw/ppc/ppc405.h | 11 -----
hw/ppc/ppc405_uc.c | 93 ----------------------------------------
hw/ppc/ppc4xx_devs.c | 94 +++++++++++++++++++++++++++++++++++++++++
include/hw/ppc/ppc4xx.h | 11 +++++
4 files changed, 105 insertions(+), 104 deletions(-)
diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h
index 31c94e4742..d85c595f9d 100644
--- a/hw/ppc/ppc405.h
+++ b/hw/ppc/ppc405.h
@@ -63,17 +63,6 @@ struct ppc4xx_bd_info_t {
uint32_t bi_iic_fast[2];
};
-/* Peripheral local bus arbitrer */
-#define TYPE_PPC405_PLB "ppc405-plb"
-OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
-struct Ppc405PlbState {
- Ppc4xxDcrDeviceState parent_obj;
-
- uint32_t acr;
- uint32_t bear;
- uint32_t besr;
-};
-
/* PLB to OPB bridge */
#define TYPE_PPC405_POB "ppc405-pob"
OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PobState, PPC405_POB);
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index 922c23346f..3de6c77631 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -137,94 +137,6 @@ ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size)
/*****************************************************************************/
/* Shared peripherals */
-/*****************************************************************************/
-/* Peripheral local bus arbitrer */
-enum {
- PLB3A0_ACR = 0x077,
- PLB4A0_ACR = 0x081,
- PLB0_BESR = 0x084,
- PLB0_BEAR = 0x086,
- PLB0_ACR = 0x087,
- PLB4A1_ACR = 0x089,
-};
-
-static uint32_t dcr_read_plb(void *opaque, int dcrn)
-{
- Ppc405PlbState *plb = opaque;
- uint32_t ret;
-
- switch (dcrn) {
- case PLB0_ACR:
- ret = plb->acr;
- break;
- case PLB0_BEAR:
- ret = plb->bear;
- break;
- case PLB0_BESR:
- ret = plb->besr;
- break;
- default:
- /* Avoid gcc warning */
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
-{
- Ppc405PlbState *plb = opaque;
-
- switch (dcrn) {
- case PLB0_ACR:
- /* We don't care about the actual parameters written as
- * we don't manage any priorities on the bus
- */
- plb->acr = val & 0xF8000000;
- break;
- case PLB0_BEAR:
- /* Read only */
- break;
- case PLB0_BESR:
- /* Write-clear */
- plb->besr &= ~val;
- break;
- }
-}
-
-static void ppc405_plb_reset(DeviceState *dev)
-{
- Ppc405PlbState *plb = PPC405_PLB(dev);
-
- plb->acr = 0x00000000;
- plb->bear = 0x00000000;
- plb->besr = 0x00000000;
-}
-
-static void ppc405_plb_realize(DeviceState *dev, Error **errp)
-{
- Ppc405PlbState *plb = PPC405_PLB(dev);
- Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
-
- ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
-}
-
-static void ppc405_plb_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- dc->realize = ppc405_plb_realize;
- dc->reset = ppc405_plb_reset;
- /* Reason: only works as function of a ppc4xx SoC */
- dc->user_creatable = false;
-}
-
/*****************************************************************************/
/* PLB to OPB bridge */
enum {
@@ -1535,11 +1447,6 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data)
static const TypeInfo ppc405_types[] = {
{
- .name = TYPE_PPC405_PLB,
- .parent = TYPE_PPC4xx_DCR_DEVICE,
- .instance_size = sizeof(Ppc405PlbState),
- .class_init = ppc405_plb_class_init,
- }, {
.name = TYPE_PPC405_POB,
.parent = TYPE_PPC4xx_DCR_DEVICE,
.instance_size = sizeof(Ppc405PobState),
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 7d40c1b68a..843d759b1b 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -658,6 +658,95 @@ static void ppc4xx_mal_class_init(ObjectClass *oc, void *data)
device_class_set_props(dc, ppc4xx_mal_properties);
}
+/*****************************************************************************/
+/* Peripheral local bus arbitrer */
+enum {
+ PLB3A0_ACR = 0x077,
+ PLB4A0_ACR = 0x081,
+ PLB0_BESR = 0x084,
+ PLB0_BEAR = 0x086,
+ PLB0_ACR = 0x087,
+ PLB4A1_ACR = 0x089,
+};
+
+static uint32_t dcr_read_plb(void *opaque, int dcrn)
+{
+ Ppc405PlbState *plb = opaque;
+ uint32_t ret;
+
+ switch (dcrn) {
+ case PLB0_ACR:
+ ret = plb->acr;
+ break;
+ case PLB0_BEAR:
+ ret = plb->bear;
+ break;
+ case PLB0_BESR:
+ ret = plb->besr;
+ break;
+ default:
+ /* Avoid gcc warning */
+ ret = 0;
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
+{
+ Ppc405PlbState *plb = opaque;
+
+ switch (dcrn) {
+ case PLB0_ACR:
+ /*
+ * We don't care about the actual parameters written as
+ * we don't manage any priorities on the bus
+ */
+ plb->acr = val & 0xF8000000;
+ break;
+ case PLB0_BEAR:
+ /* Read only */
+ break;
+ case PLB0_BESR:
+ /* Write-clear */
+ plb->besr &= ~val;
+ break;
+ }
+}
+
+static void ppc405_plb_reset(DeviceState *dev)
+{
+ Ppc405PlbState *plb = PPC405_PLB(dev);
+
+ plb->acr = 0x00000000;
+ plb->bear = 0x00000000;
+ plb->besr = 0x00000000;
+}
+
+static void ppc405_plb_realize(DeviceState *dev, Error **errp)
+{
+ Ppc405PlbState *plb = PPC405_PLB(dev);
+ Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
+
+ ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
+ ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
+ ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
+ ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
+ ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
+ ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
+}
+
+static void ppc405_plb_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->realize = ppc405_plb_realize;
+ dc->reset = ppc405_plb_reset;
+ /* Reason: only works as function of a ppc4xx SoC */
+ dc->user_creatable = false;
+}
+
/* PPC4xx_DCR_DEVICE */
void ppc4xx_dcr_register(Ppc4xxDcrDeviceState *dev, int dcrn, void *opaque,
@@ -694,6 +783,11 @@ static const TypeInfo ppc4xx_types[] = {
.instance_size = sizeof(Ppc4xxMalState),
.instance_finalize = ppc4xx_mal_finalize,
.class_init = ppc4xx_mal_class_init,
+ }, {
+ .name = TYPE_PPC405_PLB,
+ .parent = TYPE_PPC4xx_DCR_DEVICE,
+ .instance_size = sizeof(Ppc405PlbState),
+ .class_init = ppc405_plb_class_init,
}, {
.name = TYPE_PPC4xx_DCR_DEVICE,
.parent = TYPE_SYS_BUS_DEVICE,
diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h
index f40bd49bc7..e696e159f3 100644
--- a/include/hw/ppc/ppc4xx.h
+++ b/include/hw/ppc/ppc4xx.h
@@ -83,4 +83,15 @@ struct Ppc4xxMalState {
uint8_t rxcnum;
};
+/* Peripheral local bus arbitrer */
+#define TYPE_PPC405_PLB "ppc405-plb"
+OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
+struct Ppc405PlbState {
+ Ppc4xxDcrDeviceState parent_obj;
+
+ uint32_t acr;
+ uint32_t bear;
+ uint32_t besr;
+};
+
#endif /* PPC4XX_H */
--
2.30.4
On 8/13/22 17:34, BALATON Zoltan wrote:
> The PLB is shared between 405 and 440 so move it to the shared file.
Should we rename the device to Ppc4xxPlbState ?
Thanks,
C.
>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---
> hw/ppc/ppc405.h | 11 -----
> hw/ppc/ppc405_uc.c | 93 ----------------------------------------
> hw/ppc/ppc4xx_devs.c | 94 +++++++++++++++++++++++++++++++++++++++++
> include/hw/ppc/ppc4xx.h | 11 +++++
> 4 files changed, 105 insertions(+), 104 deletions(-)
>
> diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h
> index 31c94e4742..d85c595f9d 100644
> --- a/hw/ppc/ppc405.h
> +++ b/hw/ppc/ppc405.h
> @@ -63,17 +63,6 @@ struct ppc4xx_bd_info_t {
> uint32_t bi_iic_fast[2];
> };
>
> -/* Peripheral local bus arbitrer */
> -#define TYPE_PPC405_PLB "ppc405-plb"
> -OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
> -struct Ppc405PlbState {
> - Ppc4xxDcrDeviceState parent_obj;
> -
> - uint32_t acr;
> - uint32_t bear;
> - uint32_t besr;
> -};
> -
> /* PLB to OPB bridge */
> #define TYPE_PPC405_POB "ppc405-pob"
> OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PobState, PPC405_POB);
> diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
> index 922c23346f..3de6c77631 100644
> --- a/hw/ppc/ppc405_uc.c
> +++ b/hw/ppc/ppc405_uc.c
> @@ -137,94 +137,6 @@ ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size)
> /*****************************************************************************/
> /* Shared peripherals */
>
> -/*****************************************************************************/
> -/* Peripheral local bus arbitrer */
> -enum {
> - PLB3A0_ACR = 0x077,
> - PLB4A0_ACR = 0x081,
> - PLB0_BESR = 0x084,
> - PLB0_BEAR = 0x086,
> - PLB0_ACR = 0x087,
> - PLB4A1_ACR = 0x089,
> -};
> -
> -static uint32_t dcr_read_plb(void *opaque, int dcrn)
> -{
> - Ppc405PlbState *plb = opaque;
> - uint32_t ret;
> -
> - switch (dcrn) {
> - case PLB0_ACR:
> - ret = plb->acr;
> - break;
> - case PLB0_BEAR:
> - ret = plb->bear;
> - break;
> - case PLB0_BESR:
> - ret = plb->besr;
> - break;
> - default:
> - /* Avoid gcc warning */
> - ret = 0;
> - break;
> - }
> -
> - return ret;
> -}
> -
> -static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
> -{
> - Ppc405PlbState *plb = opaque;
> -
> - switch (dcrn) {
> - case PLB0_ACR:
> - /* We don't care about the actual parameters written as
> - * we don't manage any priorities on the bus
> - */
> - plb->acr = val & 0xF8000000;
> - break;
> - case PLB0_BEAR:
> - /* Read only */
> - break;
> - case PLB0_BESR:
> - /* Write-clear */
> - plb->besr &= ~val;
> - break;
> - }
> -}
> -
> -static void ppc405_plb_reset(DeviceState *dev)
> -{
> - Ppc405PlbState *plb = PPC405_PLB(dev);
> -
> - plb->acr = 0x00000000;
> - plb->bear = 0x00000000;
> - plb->besr = 0x00000000;
> -}
> -
> -static void ppc405_plb_realize(DeviceState *dev, Error **errp)
> -{
> - Ppc405PlbState *plb = PPC405_PLB(dev);
> - Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
> -
> - ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> - ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> - ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> - ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
> - ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
> - ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> -}
> -
> -static void ppc405_plb_class_init(ObjectClass *oc, void *data)
> -{
> - DeviceClass *dc = DEVICE_CLASS(oc);
> -
> - dc->realize = ppc405_plb_realize;
> - dc->reset = ppc405_plb_reset;
> - /* Reason: only works as function of a ppc4xx SoC */
> - dc->user_creatable = false;
> -}
> -
> /*****************************************************************************/
> /* PLB to OPB bridge */
> enum {
> @@ -1535,11 +1447,6 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data)
>
> static const TypeInfo ppc405_types[] = {
> {
> - .name = TYPE_PPC405_PLB,
> - .parent = TYPE_PPC4xx_DCR_DEVICE,
> - .instance_size = sizeof(Ppc405PlbState),
> - .class_init = ppc405_plb_class_init,
> - }, {
> .name = TYPE_PPC405_POB,
> .parent = TYPE_PPC4xx_DCR_DEVICE,
> .instance_size = sizeof(Ppc405PobState),
> diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
> index 7d40c1b68a..843d759b1b 100644
> --- a/hw/ppc/ppc4xx_devs.c
> +++ b/hw/ppc/ppc4xx_devs.c
> @@ -658,6 +658,95 @@ static void ppc4xx_mal_class_init(ObjectClass *oc, void *data)
> device_class_set_props(dc, ppc4xx_mal_properties);
> }
>
> +/*****************************************************************************/
> +/* Peripheral local bus arbitrer */
> +enum {
> + PLB3A0_ACR = 0x077,
> + PLB4A0_ACR = 0x081,
> + PLB0_BESR = 0x084,
> + PLB0_BEAR = 0x086,
> + PLB0_ACR = 0x087,
> + PLB4A1_ACR = 0x089,
> +};
> +
> +static uint32_t dcr_read_plb(void *opaque, int dcrn)
> +{
> + Ppc405PlbState *plb = opaque;
> + uint32_t ret;
> +
> + switch (dcrn) {
> + case PLB0_ACR:
> + ret = plb->acr;
> + break;
> + case PLB0_BEAR:
> + ret = plb->bear;
> + break;
> + case PLB0_BESR:
> + ret = plb->besr;
> + break;
> + default:
> + /* Avoid gcc warning */
> + ret = 0;
> + break;
> + }
> +
> + return ret;
> +}
> +
> +static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
> +{
> + Ppc405PlbState *plb = opaque;
> +
> + switch (dcrn) {
> + case PLB0_ACR:
> + /*
> + * We don't care about the actual parameters written as
> + * we don't manage any priorities on the bus
> + */
> + plb->acr = val & 0xF8000000;
> + break;
> + case PLB0_BEAR:
> + /* Read only */
> + break;
> + case PLB0_BESR:
> + /* Write-clear */
> + plb->besr &= ~val;
> + break;
> + }
> +}
> +
> +static void ppc405_plb_reset(DeviceState *dev)
> +{
> + Ppc405PlbState *plb = PPC405_PLB(dev);
> +
> + plb->acr = 0x00000000;
> + plb->bear = 0x00000000;
> + plb->besr = 0x00000000;
> +}
> +
> +static void ppc405_plb_realize(DeviceState *dev, Error **errp)
> +{
> + Ppc405PlbState *plb = PPC405_PLB(dev);
> + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
> +
> + ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> + ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> + ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> + ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
> + ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
> + ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
> +}
> +
> +static void ppc405_plb_class_init(ObjectClass *oc, void *data)
> +{
> + DeviceClass *dc = DEVICE_CLASS(oc);
> +
> + dc->realize = ppc405_plb_realize;
> + dc->reset = ppc405_plb_reset;
> + /* Reason: only works as function of a ppc4xx SoC */
> + dc->user_creatable = false;
> +}
> +
> /* PPC4xx_DCR_DEVICE */
>
> void ppc4xx_dcr_register(Ppc4xxDcrDeviceState *dev, int dcrn, void *opaque,
> @@ -694,6 +783,11 @@ static const TypeInfo ppc4xx_types[] = {
> .instance_size = sizeof(Ppc4xxMalState),
> .instance_finalize = ppc4xx_mal_finalize,
> .class_init = ppc4xx_mal_class_init,
> + }, {
> + .name = TYPE_PPC405_PLB,
> + .parent = TYPE_PPC4xx_DCR_DEVICE,
> + .instance_size = sizeof(Ppc405PlbState),
> + .class_init = ppc405_plb_class_init,
> }, {
> .name = TYPE_PPC4xx_DCR_DEVICE,
> .parent = TYPE_SYS_BUS_DEVICE,
> diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h
> index f40bd49bc7..e696e159f3 100644
> --- a/include/hw/ppc/ppc4xx.h
> +++ b/include/hw/ppc/ppc4xx.h
> @@ -83,4 +83,15 @@ struct Ppc4xxMalState {
> uint8_t rxcnum;
> };
>
> +/* Peripheral local bus arbitrer */
> +#define TYPE_PPC405_PLB "ppc405-plb"
> +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
> +struct Ppc405PlbState {
> + Ppc4xxDcrDeviceState parent_obj;
> +
> + uint32_t acr;
> + uint32_t bear;
> + uint32_t besr;
> +};
> +
> #endif /* PPC4XX_H */
On Tue, 16 Aug 2022, Cédric Le Goater wrote:
> On 8/13/22 17:34, BALATON Zoltan wrote:
>> The PLB is shared between 405 and 440 so move it to the shared file.
>
> Should we rename the device to Ppc4xxPlbState ?
I could do that (also for the other one moved). Ptobably nothing in these
boards care about the names so it shouldn't break anything.
Regards,
BALATON Zoltan
> Thanks,
>
> C.
>
>>
>> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
>> ---
>> hw/ppc/ppc405.h | 11 -----
>> hw/ppc/ppc405_uc.c | 93 ----------------------------------------
>> hw/ppc/ppc4xx_devs.c | 94 +++++++++++++++++++++++++++++++++++++++++
>> include/hw/ppc/ppc4xx.h | 11 +++++
>> 4 files changed, 105 insertions(+), 104 deletions(-)
>>
>> diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h
>> index 31c94e4742..d85c595f9d 100644
>> --- a/hw/ppc/ppc405.h
>> +++ b/hw/ppc/ppc405.h
>> @@ -63,17 +63,6 @@ struct ppc4xx_bd_info_t {
>> uint32_t bi_iic_fast[2];
>> };
>> -/* Peripheral local bus arbitrer */
>> -#define TYPE_PPC405_PLB "ppc405-plb"
>> -OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
>> -struct Ppc405PlbState {
>> - Ppc4xxDcrDeviceState parent_obj;
>> -
>> - uint32_t acr;
>> - uint32_t bear;
>> - uint32_t besr;
>> -};
>> -
>> /* PLB to OPB bridge */
>> #define TYPE_PPC405_POB "ppc405-pob"
>> OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PobState, PPC405_POB);
>> diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
>> index 922c23346f..3de6c77631 100644
>> --- a/hw/ppc/ppc405_uc.c
>> +++ b/hw/ppc/ppc405_uc.c
>> @@ -137,94 +137,6 @@ ram_addr_t ppc405_set_bootinfo(CPUPPCState *env,
>> ram_addr_t ram_size)
>> /*****************************************************************************/
>> /* Shared peripherals */
>>
>> -/*****************************************************************************/
>> -/* Peripheral local bus arbitrer */
>> -enum {
>> - PLB3A0_ACR = 0x077,
>> - PLB4A0_ACR = 0x081,
>> - PLB0_BESR = 0x084,
>> - PLB0_BEAR = 0x086,
>> - PLB0_ACR = 0x087,
>> - PLB4A1_ACR = 0x089,
>> -};
>> -
>> -static uint32_t dcr_read_plb(void *opaque, int dcrn)
>> -{
>> - Ppc405PlbState *plb = opaque;
>> - uint32_t ret;
>> -
>> - switch (dcrn) {
>> - case PLB0_ACR:
>> - ret = plb->acr;
>> - break;
>> - case PLB0_BEAR:
>> - ret = plb->bear;
>> - break;
>> - case PLB0_BESR:
>> - ret = plb->besr;
>> - break;
>> - default:
>> - /* Avoid gcc warning */
>> - ret = 0;
>> - break;
>> - }
>> -
>> - return ret;
>> -}
>> -
>> -static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
>> -{
>> - Ppc405PlbState *plb = opaque;
>> -
>> - switch (dcrn) {
>> - case PLB0_ACR:
>> - /* We don't care about the actual parameters written as
>> - * we don't manage any priorities on the bus
>> - */
>> - plb->acr = val & 0xF8000000;
>> - break;
>> - case PLB0_BEAR:
>> - /* Read only */
>> - break;
>> - case PLB0_BESR:
>> - /* Write-clear */
>> - plb->besr &= ~val;
>> - break;
>> - }
>> -}
>> -
>> -static void ppc405_plb_reset(DeviceState *dev)
>> -{
>> - Ppc405PlbState *plb = PPC405_PLB(dev);
>> -
>> - plb->acr = 0x00000000;
>> - plb->bear = 0x00000000;
>> - plb->besr = 0x00000000;
>> -}
>> -
>> -static void ppc405_plb_realize(DeviceState *dev, Error **errp)
>> -{
>> - Ppc405PlbState *plb = PPC405_PLB(dev);
>> - Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
>> -
>> - ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> - ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> - ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> - ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> - ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> - ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> -}
>> -
>> -static void ppc405_plb_class_init(ObjectClass *oc, void *data)
>> -{
>> - DeviceClass *dc = DEVICE_CLASS(oc);
>> -
>> - dc->realize = ppc405_plb_realize;
>> - dc->reset = ppc405_plb_reset;
>> - /* Reason: only works as function of a ppc4xx SoC */
>> - dc->user_creatable = false;
>> -}
>> -
>> /*****************************************************************************/
>> /* PLB to OPB bridge */
>> enum {
>> @@ -1535,11 +1447,6 @@ static void ppc405_soc_class_init(ObjectClass *oc,
>> void *data)
>> static const TypeInfo ppc405_types[] = {
>> {
>> - .name = TYPE_PPC405_PLB,
>> - .parent = TYPE_PPC4xx_DCR_DEVICE,
>> - .instance_size = sizeof(Ppc405PlbState),
>> - .class_init = ppc405_plb_class_init,
>> - }, {
>> .name = TYPE_PPC405_POB,
>> .parent = TYPE_PPC4xx_DCR_DEVICE,
>> .instance_size = sizeof(Ppc405PobState),
>> diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
>> index 7d40c1b68a..843d759b1b 100644
>> --- a/hw/ppc/ppc4xx_devs.c
>> +++ b/hw/ppc/ppc4xx_devs.c
>> @@ -658,6 +658,95 @@ static void ppc4xx_mal_class_init(ObjectClass *oc,
>> void *data)
>> device_class_set_props(dc, ppc4xx_mal_properties);
>> }
>> +/*****************************************************************************/
>> +/* Peripheral local bus arbitrer */
>> +enum {
>> + PLB3A0_ACR = 0x077,
>> + PLB4A0_ACR = 0x081,
>> + PLB0_BESR = 0x084,
>> + PLB0_BEAR = 0x086,
>> + PLB0_ACR = 0x087,
>> + PLB4A1_ACR = 0x089,
>> +};
>> +
>> +static uint32_t dcr_read_plb(void *opaque, int dcrn)
>> +{
>> + Ppc405PlbState *plb = opaque;
>> + uint32_t ret;
>> +
>> + switch (dcrn) {
>> + case PLB0_ACR:
>> + ret = plb->acr;
>> + break;
>> + case PLB0_BEAR:
>> + ret = plb->bear;
>> + break;
>> + case PLB0_BESR:
>> + ret = plb->besr;
>> + break;
>> + default:
>> + /* Avoid gcc warning */
>> + ret = 0;
>> + break;
>> + }
>> +
>> + return ret;
>> +}
>> +
>> +static void dcr_write_plb(void *opaque, int dcrn, uint32_t val)
>> +{
>> + Ppc405PlbState *plb = opaque;
>> +
>> + switch (dcrn) {
>> + case PLB0_ACR:
>> + /*
>> + * We don't care about the actual parameters written as
>> + * we don't manage any priorities on the bus
>> + */
>> + plb->acr = val & 0xF8000000;
>> + break;
>> + case PLB0_BEAR:
>> + /* Read only */
>> + break;
>> + case PLB0_BESR:
>> + /* Write-clear */
>> + plb->besr &= ~val;
>> + break;
>> + }
>> +}
>> +
>> +static void ppc405_plb_reset(DeviceState *dev)
>> +{
>> + Ppc405PlbState *plb = PPC405_PLB(dev);
>> +
>> + plb->acr = 0x00000000;
>> + plb->bear = 0x00000000;
>> + plb->besr = 0x00000000;
>> +}
>> +
>> +static void ppc405_plb_realize(DeviceState *dev, Error **errp)
>> +{
>> + Ppc405PlbState *plb = PPC405_PLB(dev);
>> + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
>> +
>> + ppc4xx_dcr_register(dcr, PLB3A0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> + ppc4xx_dcr_register(dcr, PLB4A0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> + ppc4xx_dcr_register(dcr, PLB0_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> + ppc4xx_dcr_register(dcr, PLB0_BEAR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> + ppc4xx_dcr_register(dcr, PLB0_BESR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> + ppc4xx_dcr_register(dcr, PLB4A1_ACR, plb, &dcr_read_plb,
>> &dcr_write_plb);
>> +}
>> +
>> +static void ppc405_plb_class_init(ObjectClass *oc, void *data)
>> +{
>> + DeviceClass *dc = DEVICE_CLASS(oc);
>> +
>> + dc->realize = ppc405_plb_realize;
>> + dc->reset = ppc405_plb_reset;
>> + /* Reason: only works as function of a ppc4xx SoC */
>> + dc->user_creatable = false;
>> +}
>> +
>> /* PPC4xx_DCR_DEVICE */
>> void ppc4xx_dcr_register(Ppc4xxDcrDeviceState *dev, int dcrn, void
>> *opaque,
>> @@ -694,6 +783,11 @@ static const TypeInfo ppc4xx_types[] = {
>> .instance_size = sizeof(Ppc4xxMalState),
>> .instance_finalize = ppc4xx_mal_finalize,
>> .class_init = ppc4xx_mal_class_init,
>> + }, {
>> + .name = TYPE_PPC405_PLB,
>> + .parent = TYPE_PPC4xx_DCR_DEVICE,
>> + .instance_size = sizeof(Ppc405PlbState),
>> + .class_init = ppc405_plb_class_init,
>> }, {
>> .name = TYPE_PPC4xx_DCR_DEVICE,
>> .parent = TYPE_SYS_BUS_DEVICE,
>> diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h
>> index f40bd49bc7..e696e159f3 100644
>> --- a/include/hw/ppc/ppc4xx.h
>> +++ b/include/hw/ppc/ppc4xx.h
>> @@ -83,4 +83,15 @@ struct Ppc4xxMalState {
>> uint8_t rxcnum;
>> };
>> +/* Peripheral local bus arbitrer */
>> +#define TYPE_PPC405_PLB "ppc405-plb"
>> +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405PlbState, PPC405_PLB);
>> +struct Ppc405PlbState {
>> + Ppc4xxDcrDeviceState parent_obj;
>> +
>> + uint32_t acr;
>> + uint32_t bear;
>> + uint32_t besr;
>> +};
>> +
>> #endif /* PPC4XX_H */
>
>
>
© 2016 - 2026 Red Hat, Inc.