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apb: split simba PCI bridge into hw/pci-bridge/simba.c

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Move the QOM type and macros into a new include/hw/pci-bridge/simba.h
file, and add a new CONFIG_SIMBA Makefile.objs variable which is enabled
for sparc64-softmmu builds only.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com>
This commit is contained in:
Mark Cave-Ayland 2018-01-21 08:59:45 +00:00
parent 05b9ec96c1
commit ffd9589ee2
6 changed files with 143 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
default-configs/sparc64-softmmu.mak
View File

@ -12,6 +12,7 @@ CONFIG_FDC=y
CONFIG_IDE_ISA=y
CONFIG_IDE_CMD646=y
CONFIG_PCI_APB=y
CONFIG_SIMBA=y
CONFIG_SUNHME=y
CONFIG_MC146818RTC=y
CONFIG_ISA_TESTDEV=y

2
hw/pci-bridge/Makefile.objs
View File

@ -6,3 +6,5 @@ common-obj-$(CONFIG_IOH3420) += ioh3420.o
common-obj-$(CONFIG_I82801B11) += i82801b11.o
# NewWorld PowerMac
common-obj-$(CONFIG_DEC_PCI) += dec.o
# Sun4u
common-obj-$(CONFIG_SIMBA) += simba.o

101
hw/pci-bridge/simba.c Normal file
View File

@ -0,0 +1,101 @@
/*
* QEMU Simba PCI bridge
*
* Copyright (c) 2006 Fabrice Bellard
* Copyright (c) 2012,2013 Artyom Tarasenko
* Copyright (c) 2018 Mark Cave-Ayland
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
#include "hw/pci-bridge/simba.h"
/*
* Chipset docs:
* APB: "Advanced PCI Bridge (APB) User's Manual",
* http://www.sun.com/processors/manuals/805-1251.pdf
*/
static void apb_pci_bridge_realize(PCIDevice *dev, Error **errp)
{
/*
* command register:
* According to PCI bridge spec, after reset
* bus master bit is off
* memory space enable bit is off
* According to manual (805-1251.pdf).
* the reset value should be zero unless the boot pin is tied high
* (which is true) and thus it should be PCI_COMMAND_MEMORY.
*/
PBMPCIBridge *br = PBM_PCI_BRIDGE(dev);
pci_bridge_initfn(dev, TYPE_PCI_BUS);
pci_set_word(dev->config + PCI_COMMAND, PCI_COMMAND_MEMORY);
pci_set_word(dev->config + PCI_STATUS,
PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ |
PCI_STATUS_DEVSEL_MEDIUM);
/* Allow 32-bit IO addresses */
pci_set_word(dev->config + PCI_IO_BASE, PCI_IO_RANGE_TYPE_32);
pci_set_word(dev->config + PCI_IO_LIMIT, PCI_IO_RANGE_TYPE_32);
pci_set_word(dev->wmask + PCI_IO_BASE_UPPER16, 0xffff);
pci_set_word(dev->wmask + PCI_IO_LIMIT_UPPER16, 0xffff);
pci_bridge_update_mappings(PCI_BRIDGE(br));
}
static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->realize = apb_pci_bridge_realize;
k->exit = pci_bridge_exitfn;
k->vendor_id = PCI_VENDOR_ID_SUN;
k->device_id = PCI_DEVICE_ID_SUN_SIMBA;
k->revision = 0x11;
k->config_write = pci_bridge_write_config;
k->is_bridge = 1;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->reset = pci_bridge_reset;
dc->vmsd = &vmstate_pci_device;
}
static const TypeInfo pbm_pci_bridge_info = {
.name = TYPE_PBM_PCI_BRIDGE,
.parent = TYPE_PCI_BRIDGE,
.class_init = pbm_pci_bridge_class_init,
.instance_size = sizeof(PBMPCIBridge),
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void pbm_register_types(void)
{
type_register_static(&pbm_pci_bridge_info);
}
type_init(pbm_register_types)

62
hw/pci-host/apb.c
View File

@ -33,6 +33,7 @@
#include "hw/pci/pci_host.h"
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
#include "hw/pci-bridge/simba.h"
#include "hw/pci-host/apb.h"
#include "sysemu/sysemu.h"
#include "exec/address-spaces.h"
@ -53,9 +54,6 @@ do { printf("APB: " fmt , ## __VA_ARGS__); } while (0)
* Chipset docs:
* PBM: "UltraSPARC IIi User's Manual",
* http://www.sun.com/processors/manuals/805-0087.pdf
*
* APB: "Advanced PCI Bridge (APB) User's Manual",
* http://www.sun.com/processors/manuals/805-1251.pdf
*/
#define PBM_PCI_IMR_MASK 0x7fffffff
@ -348,35 +346,6 @@ static void pci_apb_set_irq(void *opaque, int irq_num, int level)
}
}
static void apb_pci_bridge_realize(PCIDevice *dev, Error **errp)
{
/*
* command register:
* According to PCI bridge spec, after reset
* bus master bit is off
* memory space enable bit is off
* According to manual (805-1251.pdf).
* the reset value should be zero unless the boot pin is tied high
* (which is true) and thus it should be PCI_COMMAND_MEMORY.
*/
PBMPCIBridge *br = PBM_PCI_BRIDGE(dev);
pci_bridge_initfn(dev, TYPE_PCI_BUS);
pci_set_word(dev->config + PCI_COMMAND, PCI_COMMAND_MEMORY);
pci_set_word(dev->config + PCI_STATUS,
PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ |
PCI_STATUS_DEVSEL_MEDIUM);
/* Allow 32-bit IO addresses */
pci_set_word(dev->config + PCI_IO_BASE, PCI_IO_RANGE_TYPE_32);
pci_set_word(dev->config + PCI_IO_LIMIT, PCI_IO_RANGE_TYPE_32);
pci_set_word(dev->wmask + PCI_IO_BASE_UPPER16, 0xffff);
pci_set_word(dev->wmask + PCI_IO_LIMIT_UPPER16, 0xffff);
pci_bridge_update_mappings(PCI_BRIDGE(br));
}
static void pci_pbm_reset(DeviceState *d)
{
APBState *s = APB_DEVICE(d);
@ -564,39 +533,10 @@ static const TypeInfo pbm_host_info = {
.class_init = pbm_host_class_init,
};
static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->realize = apb_pci_bridge_realize;
k->exit = pci_bridge_exitfn;
k->vendor_id = PCI_VENDOR_ID_SUN;
k->device_id = PCI_DEVICE_ID_SUN_SIMBA;
k->revision = 0x11;
k->config_write = pci_bridge_write_config;
k->is_bridge = 1;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->reset = pci_bridge_reset;
dc->vmsd = &vmstate_pci_device;
}
static const TypeInfo pbm_pci_bridge_info = {
.name = TYPE_PBM_PCI_BRIDGE,
.parent = TYPE_PCI_BRIDGE,
.class_init = pbm_pci_bridge_class_init,
.instance_size = sizeof(PBMPCIBridge),
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void pbm_register_types(void)
{
type_register_static(&pbm_host_info);
type_register_static(&pbm_pci_host_info);
type_register_static(&pbm_pci_bridge_info);
}
type_init(pbm_register_types)

38
include/hw/pci-bridge/simba.h Normal file
View File

@ -0,0 +1,38 @@
/*
* QEMU Simba PCI bridge
*
* Copyright (c) 2006 Fabrice Bellard
* Copyright (c) 2012,2013 Artyom Tarasenko
* Copyright (c) 2017 Mark Cave-Ayland
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "hw/pci/pci_bridge.h"
typedef struct PBMPCIBridge {
/*< private >*/
PCIBridge parent_obj;
} PBMPCIBridge;
#define TYPE_PBM_PCI_BRIDGE "pbm-bridge"
#define PBM_PCI_BRIDGE(obj) \
OBJECT_CHECK(PBMPCIBridge, (obj), TYPE_PBM_PCI_BRIDGE)

9
include/hw/pci-host/apb.h
View File

@ -42,13 +42,4 @@ typedef struct APBState {
unsigned int nr_resets;
} APBState;
typedef struct PBMPCIBridge {
/*< private >*/
PCIBridge parent_obj;
} PBMPCIBridge;
#define TYPE_PBM_PCI_BRIDGE "pbm-bridge"
#define PBM_PCI_BRIDGE(obj) \
OBJECT_CHECK(PBMPCIBridge, (obj), TYPE_PBM_PCI_BRIDGE)
#endif