Ronald G. Minnich (rminnich@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1947
-gerrit
commit c5f3a0969ba71a01df10954dd1e7c2db7afad2cb Author: Ronald G. Minnich rminnich@gmail.com Date: Thu Nov 29 16:28:21 2012 -0800
Create a a new configuration variable for PCI
Not all architectures have PCI. This new config variable allows control of whether PCI support is configued in. It is selected for ARCH_X86. Signed-off-by: Ronald G. Minnich rminnich@gmail.com
Change-Id: Ic5fe777b14fd6a16ba605ada1e22acf3e8a2c783 Signed-off-by: Ronald G. Minnich rminnich@gmail.com --- src/Kconfig | 5 +++++ src/devices/Kconfig | 16 ++++++++++++---- src/devices/Makefile.inc | 8 ++++---- src/devices/pci_device.c | 19 +++++++++---------- 4 files changed, 30 insertions(+), 18 deletions(-)
diff --git a/src/Kconfig b/src/Kconfig index 6bb8135..29731b3 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -203,6 +203,11 @@ source src/mainboard/Kconfig config ARCH_X86 bool default n + select PCI + +config ARCH_ARM + bool + default n
config ARCH_ARMV7 bool diff --git a/src/devices/Kconfig b/src/devices/Kconfig index 72e8a53..e58ac50 100644 --- a/src/devices/Kconfig +++ b/src/devices/Kconfig @@ -175,6 +175,10 @@ config MULTIPLE_VGA_ADAPTERS bool default n
+config PCI + bool + default n + config PCI_64BIT_PREF_MEM bool default n @@ -185,19 +189,23 @@ config HYPERTRANSPORT_PLUGIN_SUPPORT
config PCIX_PLUGIN_SUPPORT bool - default y + depends on PCI + default n
config PCIEXP_PLUGIN_SUPPORT bool - default y + depends on PCI + default n
config AGP_PLUGIN_SUPPORT bool - default y + depends on PCI + default n
config CARDBUS_PLUGIN_SUPPORT bool - default y + depends on ARCH_X86 + default n
config PCIEXP_COMMON_CLOCK prompt "Enable PCIe Common Clock" diff --git a/src/devices/Makefile.inc b/src/devices/Makefile.inc index 9d4b391..69d7839 100644 --- a/src/devices/Makefile.inc +++ b/src/devices/Makefile.inc @@ -2,14 +2,14 @@ ramstage-y += device.c ramstage-y += root_device.c ramstage-y += cpu_device.c ramstage-y += device_util.c -ramstage-y += pci_device.c +ramstage-$(CONFIG_PCI) += pci_device.c ramstage-$(CONFIG_HYPERTRANSPORT_PLUGIN_SUPPORT) += hypertransport.c ramstage-$(CONFIG_PCIX_PLUGIN_SUPPORT) += pcix_device.c -ramstage-y += pciexp_device.c +ramstage-$(CONFIG_PCI) += pciexp_device.c ramstage-$(CONFIG_AGP_PLUGIN_SUPPORT) += agp_device.c ramstage-$(CONFIG_CARDBUS_PLUGIN_SUPPORT) += cardbus_device.c -ramstage-y += pnp_device.c -ramstage-y += pci_ops.c +ramstage-$(CONFIG_PCI) += pnp_device.c +ramstage-$(CONFIG_PCI) += pci_ops.c ramstage-y += smbus_ops.c
romstage-y+= device_romstage.c diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c index d9e6b27..667d734 100644 --- a/src/devices/pci_device.c +++ b/src/devices/pci_device.c @@ -756,11 +756,9 @@ struct device_operations default_pci_ops_bus = { */ static struct device_operations *get_pci_bridge_ops(device_t dev) { - unsigned int pos; - #if CONFIG_PCIX_PLUGIN_SUPPORT - pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); - if (pos) { + pcixpos = pci_find_capability(dev, PCI_CAP_ID_PCIX); + if (pcixpos) { printk(BIOS_DEBUG, "%s subordinate bus PCI-X\n", dev_path(dev)); return &default_pcix_ops_bus; } @@ -769,10 +767,10 @@ static struct device_operations *get_pci_bridge_ops(device_t dev) /* How do I detect a PCI to AGP bridge? */ #endif #if CONFIG_HYPERTRANSPORT_PLUGIN_SUPPORT - pos = 0; - while ((pos = pci_find_next_capability(dev, PCI_CAP_ID_HT, pos))) { + unsigned int htpos = 0; + while ((htpos = pci_find_next_capability(dev, PCI_CAP_ID_HT, htpos))) { u16 flags; - flags = pci_read_config16(dev, pos + PCI_CAP_FLAGS); + flags = pci_read_config16(dev, htpos + PCI_CAP_FLAGS); if ((flags >> 13) == 1) { /* Host or Secondary Interface */ printk(BIOS_DEBUG, "%s subordinate bus HT\n", @@ -782,10 +780,11 @@ static struct device_operations *get_pci_bridge_ops(device_t dev) } #endif #if CONFIG_PCIEXP_PLUGIN_SUPPORT - pos = pci_find_capability(dev, PCI_CAP_ID_PCIE); - if (pos) { + unsigned int pciexpos; + pciexpos = pci_find_capability(dev, PCI_CAP_ID_PCIE); + if (pciexpos) { u16 flags; - flags = pci_read_config16(dev, pos + PCI_EXP_FLAGS); + flags = pci_read_config16(dev, pciexpos + PCI_EXP_FLAGS); switch ((flags & PCI_EXP_FLAGS_TYPE) >> 4) { case PCI_EXP_TYPE_ROOT_PORT: case PCI_EXP_TYPE_UPSTREAM: