diff options
| author | Stefan Weil <weil@mail.berlios.de> | 2010-04-06 13:44:07 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2010-04-07 10:58:00 +0300 |
| commit | ae543b498ca75aee6cadd67cb308501f5f267418 (patch) | |
| tree | a63945b762d67f2b8cf5a9fe3df1c245cc1e0f78 /hw | |
| parent | 3dec59a1fb5e1144b655e00cca693240cab0bc70 (diff) | |
eepro100: Set power management capability using pci_reserve_capability
pci_add_capability automatically updates PCI status and
PCI capability pointer, so use it. Use pci_reserve_capability
to make the new capability appear at the correct offset.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/eepro100.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/hw/eepro100.c b/hw/eepro100.c index 32e670ec93..c7059296bb 100644 --- a/hw/eepro100.c +++ b/hw/eepro100.c @@ -456,7 +456,6 @@ static void eepro100_fcp_interrupt(EEPRO100State * s) static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device) { - /* TODO: Use pci_add_capability(&s->dev, PCI_CAP_ID_PM, ...) for PM. */ uint32_t device = s->device; uint8_t *pci_conf = s->dev.config; @@ -467,25 +466,14 @@ static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device) /* PCI Device ID */ pci_config_set_device_id(pci_conf, e100_device->device_id); /* PCI Status */ - if (e100_device->power_management) { - pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM | - PCI_STATUS_FAST_BACK | - PCI_STATUS_CAP_LIST); - } else { - pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM | - PCI_STATUS_FAST_BACK); - } + pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_DEVSEL_MEDIUM | + PCI_STATUS_FAST_BACK); /* PCI Revision ID */ pci_config_set_revision(pci_conf, e100_device->revision); pci_config_set_class(pci_conf, PCI_CLASS_NETWORK_ETHERNET); /* PCI Latency Timer */ pci_set_byte(pci_conf + PCI_LATENCY_TIMER, 0x20); /* latency timer = 32 clocks */ - /* Capability Pointer */ - if (e100_device->power_management) { - pci_set_byte(pci_conf + PCI_CAPABILITY_LIST, 0xdc); - } else { - pci_set_byte(pci_conf + PCI_CAPABILITY_LIST, 0x00); - } + /* Capability Pointer is set by PCI framework. */ /* Minimum Grant */ pci_set_byte(pci_conf + PCI_MIN_GNT, 0x08); /* Maximum Latency */ @@ -548,12 +536,21 @@ static void e100_pci_reset(EEPRO100State * s, E100PCIDeviceInfo *e100_device) if (e100_device->power_management) { /* Power Management Capabilities */ - pci_set_byte(pci_conf + 0xdc, PCI_CAP_ID_PM); - /* Next Item Pointer */ - /* Capability ID */ - pci_set_word(pci_conf + 0xde, 0x7e21); - /* TODO: Power Management Control / Status. */ - /* TODO: Ethernet Power Consumption Registers (i82559 and later). */ + int cfg_offset; + pci_reserve_capability(&s->dev, PCI_CONFIG_HEADER_SIZE, + 0xdc - PCI_CONFIG_HEADER_SIZE); + cfg_offset = pci_add_capability(&s->dev, PCI_CAP_ID_PM, PCI_PM_SIZEOF); + assert(cfg_offset == 0xdc); + if (cfg_offset > 0) { + /* Power Management Capabilities */ + pci_set_word(pci_conf + cfg_offset + PCI_PM_PMC, 0x7e21); +#if 0 /* TODO: replace dummy code for power management emulation. */ + /* TODO: Power Management Control / Status. */ + pci_set_word(pci_conf + cfg_offset + PCI_PM_CTRL, 0x0000); + /* TODO: Ethernet Power Consumption Registers (i82559 and later). */ + pci_set_byte(pci_conf + cfg_offset + PCI_PM_PPB_EXTENSIONS, 0x0000); +#endif + } } #if EEPROM_SIZE > 0 |