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-rw-r--r--hw/isa/lpc_ich9.c35
-rw-r--r--include/hw/i386/ich9.h4
2 files changed, 20 insertions, 19 deletions
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index 4e896b29f1..0ee29c0ad2 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -409,18 +409,18 @@ ich9_lpc_pmbase_update(ICH9LPCState *lpc)
ich9_pm_iospace_update(&lpc->pm, pm_io_base);
}
-/* config:RBCA */
-static void ich9_lpc_rcba_update(ICH9LPCState *lpc, uint32_t rbca_old)
+/* config:RCBA */
+static void ich9_lpc_rcba_update(ICH9LPCState *lpc, uint32_t rcba_old)
{
- uint32_t rbca = pci_get_long(lpc->d.config + ICH9_LPC_RCBA);
+ uint32_t rcba = pci_get_long(lpc->d.config + ICH9_LPC_RCBA);
- if (rbca_old & ICH9_LPC_RCBA_EN) {
- memory_region_del_subregion(get_system_memory(), &lpc->rbca_mem);
+ if (rcba_old & ICH9_LPC_RCBA_EN) {
+ memory_region_del_subregion(get_system_memory(), &lpc->rcrb_mem);
}
- if (rbca & ICH9_LPC_RCBA_EN) {
- memory_region_add_subregion_overlap(get_system_memory(),
- rbca & ICH9_LPC_RCBA_BA_MASK,
- &lpc->rbca_mem, 1);
+ if (rcba & ICH9_LPC_RCBA_EN) {
+ memory_region_add_subregion_overlap(get_system_memory(),
+ rcba & ICH9_LPC_RCBA_BA_MASK,
+ &lpc->rcrb_mem, 1);
}
}
@@ -444,7 +444,7 @@ static int ich9_lpc_post_load(void *opaque, int version_id)
ICH9LPCState *lpc = opaque;
ich9_lpc_pmbase_update(lpc);
- ich9_lpc_rcba_update(lpc, 0 /* disabled ICH9_LPC_RBCA_EN */);
+ ich9_lpc_rcba_update(lpc, 0 /* disabled ICH9_LPC_RCBA_EN */);
ich9_lpc_pmcon_update(lpc);
return 0;
}
@@ -453,14 +453,14 @@ static void ich9_lpc_config_write(PCIDevice *d,
uint32_t addr, uint32_t val, int len)
{
ICH9LPCState *lpc = ICH9_LPC_DEVICE(d);
- uint32_t rbca_old = pci_get_long(d->config + ICH9_LPC_RCBA);
+ uint32_t rcba_old = pci_get_long(d->config + ICH9_LPC_RCBA);
pci_default_write_config(d, addr, val, len);
if (ranges_overlap(addr, len, ICH9_LPC_PMBASE, 4)) {
ich9_lpc_pmbase_update(lpc);
}
if (ranges_overlap(addr, len, ICH9_LPC_RCBA, 4)) {
- ich9_lpc_rcba_update(lpc, rbca_old);
+ ich9_lpc_rcba_update(lpc, rcba_old);
}
if (ranges_overlap(addr, len, ICH9_LPC_PIRQA_ROUT, 4)) {
pci_bus_fire_intx_routing_notifier(lpc->d.bus);
@@ -477,7 +477,7 @@ static void ich9_lpc_reset(DeviceState *qdev)
{
PCIDevice *d = PCI_DEVICE(qdev);
ICH9LPCState *lpc = ICH9_LPC_DEVICE(d);
- uint32_t rbca_old = pci_get_long(d->config + ICH9_LPC_RCBA);
+ uint32_t rcba_old = pci_get_long(d->config + ICH9_LPC_RCBA);
int i;
for (i = 0; i < 4; i++) {
@@ -496,13 +496,14 @@ static void ich9_lpc_reset(DeviceState *qdev)
ich9_cc_reset(lpc);
ich9_lpc_pmbase_update(lpc);
- ich9_lpc_rcba_update(lpc, rbca_old);
+ ich9_lpc_rcba_update(lpc, rcba_old);
lpc->sci_level = 0;
lpc->rst_cnt = 0;
}
-static const MemoryRegionOps rbca_mmio_ops = {
+/* root complex register block is mapped into memory space */
+static const MemoryRegionOps rcrb_mmio_ops = {
.read = ich9_cc_read,
.write = ich9_cc_write,
.endianness = DEVICE_LITTLE_ENDIAN,
@@ -616,8 +617,8 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp)
pci_set_long(d->wmask + ICH9_LPC_PMBASE,
ICH9_LPC_PMBASE_BASE_ADDRESS_MASK);
- memory_region_init_io(&lpc->rbca_mem, OBJECT(d), &rbca_mmio_ops, lpc,
- "lpc-rbca-mmio", ICH9_CC_SIZE);
+ memory_region_init_io(&lpc->rcrb_mem, OBJECT(d), &rcrb_mmio_ops, lpc,
+ "lpc-rcrb-mmio", ICH9_CC_SIZE);
lpc->isa_bus = isa_bus;
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h
index b411434984..d04dcdcfb3 100644
--- a/include/hw/i386/ich9.h
+++ b/include/hw/i386/ich9.h
@@ -23,7 +23,7 @@ I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
void ich9_generate_smi(void);
void ich9_generate_nmi(void);
-#define ICH9_CC_SIZE (16 * 1024) /* 16KB */
+#define ICH9_CC_SIZE (16 * 1024) /* 16KB. Chipset configuration registers */
#define TYPE_ICH9_LPC_DEVICE "ICH9-LPC"
#define ICH9_LPC_DEVICE(obj) \
@@ -65,7 +65,7 @@ typedef struct ICH9LPCState {
/* isa bus */
ISABus *isa_bus;
- MemoryRegion rbca_mem;
+ MemoryRegion rcrb_mem; /* root complex register block */
Notifier machine_ready;
qemu_irq *pic;