[coreboot-gerrit] Patch set updated for coreboot: MMCONF_SUPPORT: Consolidate resource registration
Kyösti Mälkki (kyosti.malkki@gmail.com)
gerrit at coreboot.org
Mon Dec 5 16:25:32 CET 2016
Kyösti Mälkki (kyosti.malkki at gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17695
-gerrit
commit e50365173f13ee1f1bf493dce23adb7d0fd52b5f
Author: Kyösti Mälkki <kyosti.malkki at gmail.com>
Date: Fri Dec 2 08:56:05 2016 +0200
MMCONF_SUPPORT: Consolidate resource registration
Change-Id: Id727270bff9e0288747d178c00f3d747fe223b0f
Signed-off-by: Kyösti Mälkki <kyosti.malkki at gmail.com>
---
src/device/device_util.c | 44 ++++++++++++++++++++
src/include/device/device.h | 5 +++
src/northbridge/amd/agesa/family10/northbridge.c | 21 +++++-----
src/northbridge/amd/agesa/family12/northbridge.c | 13 +++---
src/northbridge/amd/agesa/family14/northbridge.c | 6 +--
src/northbridge/amd/agesa/family15/northbridge.c | 6 +--
src/northbridge/amd/agesa/family15rl/northbridge.c | 6 +--
src/northbridge/amd/agesa/family15tn/northbridge.c | 6 +--
src/northbridge/amd/agesa/family16kb/northbridge.c | 6 +--
src/northbridge/amd/amdfam10/northbridge.c | 9 +----
src/northbridge/amd/pi/00630F01/northbridge.c | 11 +----
src/northbridge/amd/pi/00660F01/northbridge.c | 11 +----
src/northbridge/amd/pi/00670F00/northbridge.c | 11 +----
src/northbridge/amd/pi/00730F01/northbridge.c | 11 +----
src/northbridge/intel/fsp_rangeley/Kconfig | 4 ++
src/northbridge/intel/fsp_rangeley/northbridge.c | 27 ++++++-------
src/northbridge/intel/fsp_sandybridge/Kconfig | 4 ++
.../intel/fsp_sandybridge/northbridge.c | 47 ++++++----------------
src/northbridge/intel/i3100/northbridge.c | 10 +----
src/northbridge/intel/i945/northbridge.c | 45 +++++----------------
src/northbridge/intel/nehalem/Kconfig | 4 ++
src/northbridge/intel/nehalem/northbridge.c | 11 +----
src/northbridge/intel/sandybridge/Kconfig | 4 ++
src/northbridge/intel/sandybridge/northbridge.c | 47 ++++++----------------
src/northbridge/via/vx900/Kconfig | 4 ++
src/northbridge/via/vx900/northbridge.c | 5 +--
src/soc/intel/fsp_baytrail/northcluster.c | 28 ++++++-------
src/soc/intel/sch/Kconfig | 4 ++
src/soc/intel/sch/northbridge.c | 43 +++++---------------
29 files changed, 177 insertions(+), 276 deletions(-)
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 56afefd..22de249 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -23,6 +23,7 @@
#include <device/path.h>
#include <device/pci_def.h>
#include <device/resource.h>
+#include <lib.h>
#include <string.h>
/**
@@ -888,6 +889,49 @@ void fixed_mem_resource(device_t dev, unsigned long index,
resource->flags |= type;
}
+#if IS_ENABLED(CONFIG_PCI)
+int mmconf_resource_init(struct resource *resource, bool bar64,
+ uintptr_t base, int buses)
+{
+ resource->base = base;
+ resource->size = buses * MiB;
+ resource->align = log2(resource->size);
+ resource->gran = log2(resource->size);
+ resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
+ IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+
+ /* 64-bit BAR or MSR. */
+ if (bar64 && IS_ENABLED(CONFIG_ARCH_RAMSTAGE_X86_64))
+ resource->limit = (1ULL << cpu_phys_address_size()) - 1;
+ else
+ resource->limit = (1ULL << 32) - 1;
+
+ printk(BIOS_DEBUG, "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n",
+ (unsigned long)(resource->base), (unsigned long)(resource->base + resource->size));
+ return 0;
+}
+
+void mmconf_resource32(struct device *dev, unsigned long index)
+{
+ struct resource *resource = new_resource(dev, index);
+ if (!resource)
+ return;
+
+ mmconf_resource_init(resource, 0, CONFIG_MMCONF_BASE_ADDRESS,
+ CONFIG_MMCONF_BUS_NUMBER);
+}
+
+void mmconf_resource64(struct device *dev, unsigned long index)
+{
+ struct resource *resource = new_resource(dev, index);
+ if (!resource)
+ return;
+
+ mmconf_resource_init(resource, 1, CONFIG_MMCONF_BASE_ADDRESS,
+ CONFIG_MMCONF_BUS_NUMBER);
+}
+#endif
+
void tolm_test(void *gp, struct device *dev, struct resource *new)
{
struct resource **best_p = gp;
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 95fabf4..36edb79 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -234,6 +234,11 @@ void pci_domain_scan_bus(struct device *dev);
void fixed_mem_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek, unsigned long type);
+int mmconf_resource_init(struct resource *res, bool bar64, uintptr_t base,
+ int buses);
+void mmconf_resource32(struct device *dev, unsigned long index);
+void mmconf_resource64(struct device *dev, unsigned long index);
+
void scan_smbus(device_t bus);
void scan_static_bus(device_t bus);
void scan_lpc_bus(device_t bus);
diff --git a/src/northbridge/amd/agesa/family10/northbridge.c b/src/northbridge/amd/agesa/family10/northbridge.c
index 2a54892..7408e50 100644
--- a/src/northbridge/amd/agesa/family10/northbridge.c
+++ b/src/northbridge/amd/agesa/family10/northbridge.c
@@ -424,6 +424,13 @@ static void amdfam10_read_resources(device_t dev)
amdfam10_link_read_bases(dev, nodeid, link->link_num);
}
}
+
+ /*
+ * This MMCONF resource must be reserved in the PCI domain.
+ * It is not honored by the coreboot resource allocator if it is in
+ * the CPU_CLUSTER.
+ */
+ mmconf_resource64(dev, 0xc0010058);
}
static void amdfam10_set_resource(device_t dev, struct resource *resource,
@@ -530,6 +537,11 @@ static void amdfam10_set_resources(device_t dev)
assign_resources(bus);
}
}
+
+ res = find_resource(dev, 0xc0010058);
+ if (res) {
+ report_resource_stored(dev, res, " <mmconfig>");
+ }
}
static void mcf0_control_init(struct device *dev)
@@ -1096,19 +1108,10 @@ static void cpu_bus_init(device_t dev)
static void cpu_bus_read_resources(device_t dev)
{
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
static void cpu_bus_set_resources(device_t dev)
{
- struct resource *resource = find_resource(dev, 0xc0010058);
- if (resource) {
- report_resource_stored(dev, resource, " <mmconfig>");
- }
pci_dev_set_resources(dev);
}
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c
index 6f2896a..5ef7a90 100644
--- a/src/northbridge/amd/agesa/family12/northbridge.c
+++ b/src/northbridge/amd/agesa/family12/northbridge.c
@@ -300,6 +300,14 @@ static void read_resources(device_t dev)
amdfam12_link_read_bases(dev, nodeid, link->link_num);
}
}
+
+ /*
+ * This MMCONF resource must be reserved in the PCI domain.
+ * It is not honored by the coreboot resource allocator if it is in
+ * the CPU_CLUSTER.
+ */
+ mmconf_resource64(dev, 0xc0010058);
+
printk(BIOS_DEBUG, "Fam12h - northbridge.c - %s - End.\n",__func__);
}
@@ -649,11 +657,6 @@ static void cpu_bus_read_resources(device_t dev)
{
printk(BIOS_DEBUG, "\nFam12h - northbridge.c - %s - Start.\n",__func__);
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
printk(BIOS_DEBUG, "Fam12h - northbridge.c - %s - End.\n",__func__);
}
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index f92183e..08d1c49 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -302,11 +302,7 @@ static void nb_read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c
index 5fc9833..c5e2921 100644
--- a/src/northbridge/amd/agesa/family15/northbridge.c
+++ b/src/northbridge/amd/agesa/family15/northbridge.c
@@ -326,11 +326,7 @@ static void nb_read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/agesa/family15rl/northbridge.c b/src/northbridge/amd/agesa/family15rl/northbridge.c
index b5f7690..2417933 100644
--- a/src/northbridge/amd/agesa/family15rl/northbridge.c
+++ b/src/northbridge/amd/agesa/family15rl/northbridge.c
@@ -326,11 +326,7 @@ static void read_resources(struct device *dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index 2353126..7862e60 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -325,11 +325,7 @@ static void nb_read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index 63e1c2e..23057a9 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -325,11 +325,7 @@ static void read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the APIC_CLUSTER.
*/
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index cc2e6f9..b384ca9 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -741,14 +741,7 @@ static void amdfam10_domain_read_resources(device_t dev)
pci_domain_read_resources(dev);
/* We have MMCONF_SUPPORT, create the resource window. */
- struct resource *res = new_resource(dev, 0xc0010058);
- res->base = CONFIG_MMCONF_BASE_ADDRESS;
- res->size = CONFIG_MMCONF_BUS_NUMBER * 1024 * 1024; /* Each bus needs 1M */
- res->align = log2(res->size);
- res->gran = log2(res->size);
- res->limit = 0xffffffffffffffffULL; /* 64-bit location allowed */
- res->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource64(dev, 0xc0010058);
/* Reserve lower DRAM region to force PCI MMIO region to correct location above 0xefffffff */
ram_resource(dev, 7, 0, rdmsr(TOP_MEM).lo >> 10);
diff --git a/src/northbridge/amd/pi/00630F01/northbridge.c b/src/northbridge/amd/pi/00630F01/northbridge.c
index 4872db0..1695808 100644
--- a/src/northbridge/amd/pi/00630F01/northbridge.c
+++ b/src/northbridge/amd/pi/00630F01/northbridge.c
@@ -309,15 +309,6 @@ static void amdfam15_link_read_bases(device_t dev, u32 nodeid, u32 link)
}
-static void enable_mmconf_resource(device_t dev)
-{
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
-}
-
static void read_resources(device_t dev)
{
u32 nodeid;
@@ -335,7 +326,7 @@ static void read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- enable_mmconf_resource(dev);
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/pi/00660F01/northbridge.c b/src/northbridge/amd/pi/00660F01/northbridge.c
index 4c1254c..9f6ae1f 100644
--- a/src/northbridge/amd/pi/00660F01/northbridge.c
+++ b/src/northbridge/amd/pi/00660F01/northbridge.c
@@ -304,15 +304,6 @@ static void amdfam15_link_read_bases(device_t dev, u32 nodeid, u32 link)
}
-static void enable_mmconf_resource(device_t dev)
-{
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
-}
-
static void read_resources(device_t dev)
{
u32 nodeid;
@@ -330,7 +321,7 @@ static void read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- enable_mmconf_resource(dev);
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/pi/00670F00/northbridge.c b/src/northbridge/amd/pi/00670F00/northbridge.c
index 9a39410..521a32c 100644
--- a/src/northbridge/amd/pi/00670F00/northbridge.c
+++ b/src/northbridge/amd/pi/00670F00/northbridge.c
@@ -304,15 +304,6 @@ static void amdfam15_link_read_bases(device_t dev, u32 nodeid, u32 link)
}
-static void enable_mmconf_resource(device_t dev)
-{
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
-}
-
static void read_resources(device_t dev)
{
u32 nodeid;
@@ -330,7 +321,7 @@ static void read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- enable_mmconf_resource(dev);
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index 44f91e2..d97d875 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -312,15 +312,6 @@ static void amdfam16_link_read_bases(device_t dev, u32 nodeid, u32 link)
}
-static void enable_mmconf_resource(device_t dev)
-{
- struct resource *resource = new_resource(dev, 0xc0010058);
- resource->base = CONFIG_MMCONF_BASE_ADDRESS;
- resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096 * 256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
-}
-
static void read_resources(device_t dev)
{
u32 nodeid;
@@ -338,7 +329,7 @@ static void read_resources(device_t dev)
* It is not honored by the coreboot resource allocator if it is in
* the CPU_CLUSTER.
*/
- enable_mmconf_resource(dev);
+ mmconf_resource64(dev, 0xc0010058);
}
static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
diff --git a/src/northbridge/intel/fsp_rangeley/Kconfig b/src/northbridge/intel/fsp_rangeley/Kconfig
index bc735264..fdb5566 100644
--- a/src/northbridge/intel/fsp_rangeley/Kconfig
+++ b/src/northbridge/intel/fsp_rangeley/Kconfig
@@ -24,6 +24,10 @@ config MMCONF_BASE_ADDRESS
hex
default 0xe0000000
+config MMCONF_BUS_NUMBER
+ int
+ default 256
+
choice
prompt "Set TSEG Size"
default SET_TSEG_1MB if SET_DEFAULT_TSEG_1MB
diff --git a/src/northbridge/intel/fsp_rangeley/northbridge.c b/src/northbridge/intel/fsp_rangeley/northbridge.c
index f01333e..34426c7 100644
--- a/src/northbridge/intel/fsp_rangeley/northbridge.c
+++ b/src/northbridge/intel/fsp_rangeley/northbridge.c
@@ -57,13 +57,12 @@ int bridge_silicon_revision(void)
static const int legacy_hole_base_k = 0xa0000 / 1024;
static const int legacy_hole_size_k = 384;
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
*base = 0;
- *len = 0;
dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!dev)
@@ -76,25 +75,13 @@ static int get_pcie_bar(u32 *base, u32 *len)
*base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
(1 << 28));
- *len = 256 * 1024 * 1024; /* 256MB ECAM range */
- return 1;
+ return 256;
}
static int add_fixed_resources(struct device *dev, int index)
{
struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
- "size=0x%x\n", pcie_config_base, pcie_config_size);
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
resource = new_resource(dev, index++); /* Local APIC */
resource->base = LAPIC_DEFAULT_BASE;
@@ -154,9 +141,19 @@ static void mc_add_dram_resources(device_t dev)
static void mc_read_resources(device_t dev)
{
+ u32 pcie_config_base;
+ int buses;
+
/* Call the normal read_resources */
pci_dev_read_resources(dev);
+ /* We use 0xcf as an unused index for our PCIe bar so that we find it again */
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 1, pcie_config_base, buses);
+ }
+
/* Calculate and add DRAM resources. */
mc_add_dram_resources(dev);
}
diff --git a/src/northbridge/intel/fsp_sandybridge/Kconfig b/src/northbridge/intel/fsp_sandybridge/Kconfig
index 89326b4..cfcfc34 100644
--- a/src/northbridge/intel/fsp_sandybridge/Kconfig
+++ b/src/northbridge/intel/fsp_sandybridge/Kconfig
@@ -30,6 +30,10 @@ config BOOTBLOCK_NORTHBRIDGE_INIT
string
default "northbridge/intel/fsp_sandybridge/bootblock.c"
+config MMCONF_BUS_NUMBER
+ int
+ default 64
+
config VGA_BIOS_ID
string
default "8086,0106"
diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.c b/src/northbridge/intel/fsp_sandybridge/northbridge.c
index 50615b5..877d85f 100644
--- a/src/northbridge/intel/fsp_sandybridge/northbridge.c
+++ b/src/northbridge/intel/fsp_sandybridge/northbridge.c
@@ -62,18 +62,18 @@ int bridge_silicon_revision(void)
static const int legacy_hole_base_k = 0xa0000 / 1024;
static const int legacy_hole_size_k = 384;
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
*base = 0;
- *len = 0;
dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!dev)
return 0;
+ /* FIXME: 64bit BAR here. */
pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
if (!(pciexbar_reg & (1 << 0)))
@@ -82,16 +82,13 @@ static int get_pcie_bar(u32 *base, u32 *len)
switch ((pciexbar_reg >> 1) & 3) {
case 0: // 256MB
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
- *len = 256 * 1024 * 1024;
- return 1;
+ return 256;
case 1: // 128M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
- *len = 128 * 1024 * 1024;
- return 1;
+ return 128;
case 2: // 64M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
- *len = 64 * 1024 * 1024;
- return 1;
+ return 64;
}
return 0;
@@ -99,21 +96,8 @@ static int get_pcie_bar(u32 *base, u32 *len)
static void add_fixed_resources(struct device *dev, int index)
{
- struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
mmio_resource(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10);
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
- "size=0x%x\n", pcie_config_base, pcie_config_size);
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
-
mmio_resource(dev, index++, legacy_hole_base_k, legacy_hole_size_k);
}
@@ -256,24 +240,17 @@ static struct device_operations pci_domain_ops = {
static void mc_read_resources(device_t dev)
{
- struct resource *resource;
+ u32 pcie_config_base;
+ int buses;
pci_dev_read_resources(dev);
- /* So, this is one of the big mysteries in the coreboot resource
- * allocator. This resource should make sure that the address space
- * of the PCIe memory mapped config space bar. But it does not.
- */
-
/* We use 0xcf as an unused index for our PCIe bar so that we find it again */
- resource = new_resource(dev, 0xcf);
- resource->base = DEFAULT_PCIEXBAR;
- resource->size = 64 * 1024 * 1024; /* 64MB hard coded PCIe config space */
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
- IORESOURCE_ASSIGNED;
- printk(BIOS_DEBUG, "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n",
- (unsigned long)(resource->base), (unsigned long)(resource->base + resource->size));
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 0, pcie_config_base, buses);
+ }
}
static void mc_set_resources(device_t dev)
diff --git a/src/northbridge/intel/i3100/northbridge.c b/src/northbridge/intel/i3100/northbridge.c
index 8025ac3..65107de 100644
--- a/src/northbridge/intel/i3100/northbridge.c
+++ b/src/northbridge/intel/i3100/northbridge.c
@@ -32,9 +32,6 @@
#include <arch/acpi.h>
-static u32 max_bus;
-
-
static void pci_domain_set_resources(device_t dev)
{
device_t mc_dev;
@@ -139,14 +136,9 @@ static struct device_operations pci_domain_ops = {
static void mc_read_resources(device_t dev)
{
- struct resource *resource;
-
pci_dev_read_resources(dev);
- resource = new_resource(dev, 0xcf);
- resource->base = 0xe0000000;
- resource->size = max_bus * 4096*256;
- resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+ mmconf_resource32(dev, 0xcf);
}
static void mc_set_resources(device_t dev)
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c
index 5d18591..c98a39f 100644
--- a/src/northbridge/intel/i945/northbridge.c
+++ b/src/northbridge/intel/i945/northbridge.c
@@ -27,13 +27,12 @@
#include <arch/acpi.h>
#include "i945.h"
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
*base = 0;
- *len = 0;
dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!dev)
@@ -47,36 +46,18 @@ static int get_pcie_bar(u32 *base, u32 *len)
switch ((pciexbar_reg >> 1) & 3) {
case 0: // 256MB
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
- *len = 256 * 1024 * 1024;
- return 1;
+ return 256;
case 1: // 128M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
- *len = 128 * 1024 * 1024;
- return 1;
+ return 128;
case 2: // 64M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
- *len = 64 * 1024 * 1024;
- return 1;
+ return 64;
}
return 0;
}
-static void add_fixed_resources(struct device *dev, int index)
-{
- struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar\n");
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
-}
-
static void pci_domain_set_resources(device_t dev)
{
uint32_t pci_tolm;
@@ -153,8 +134,6 @@ static void pci_domain_set_resources(device_t dev)
uma_resource(dev, 5, uma_memory_base >> 10, uma_memory_size >> 10);
mmio_resource(dev, 6, tseg_memory_base >> 10, tseg_memory_size >> 10);
- add_fixed_resources(dev, 7);
-
assign_resources(dev->link_list);
}
@@ -173,19 +152,17 @@ static struct device_operations pci_domain_ops = {
static void mc_read_resources(device_t dev)
{
- struct resource *resource;
+ u32 pcie_config_base;
+ int buses;
pci_dev_read_resources(dev);
/* We use 0xcf as an unused index for our PCIe bar so that we find it again */
- resource = new_resource(dev, 0xcf);
- resource->base = DEFAULT_PCIEXBAR;
- resource->size = 64 * 1024 * 1024; /* 64MB hard coded PCIe config space */
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
- IORESOURCE_ASSIGNED;
- printk(BIOS_DEBUG, "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n",
- (unsigned long)(resource->base), (unsigned long)(resource->base + resource->size));
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 0, pcie_config_base, buses);
+ }
}
static void mc_set_resources(device_t dev)
diff --git a/src/northbridge/intel/nehalem/Kconfig b/src/northbridge/intel/nehalem/Kconfig
index 4dada50..884660a 100644
--- a/src/northbridge/intel/nehalem/Kconfig
+++ b/src/northbridge/intel/nehalem/Kconfig
@@ -24,6 +24,10 @@ config NORTHBRIDGE_INTEL_NEHALEM
if NORTHBRIDGE_INTEL_NEHALEM
+config MMCONF_BUS_NUMBER
+ int
+ default 256
+
config CBFS_SIZE
hex
default 0x100000
diff --git a/src/northbridge/intel/nehalem/northbridge.c b/src/northbridge/intel/nehalem/northbridge.c
index 06c0a96..cc782e9 100644
--- a/src/northbridge/intel/nehalem/northbridge.c
+++ b/src/northbridge/intel/nehalem/northbridge.c
@@ -69,11 +69,6 @@ static void add_fixed_resources(struct device *dev, int index)
0xfed1c000-0xfed20000 RCBA
0xfed90000-0xfed94000 IOMMU
0xff800000-0xffffffff ROM. */
- resource = new_resource(dev, index++);
- resource->base = (resource_t) 0xe0000000;
- resource->size = (resource_t) 0x10000000;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
resource = new_resource(dev, index++);
resource->base = (resource_t) 0xfed00000;
@@ -98,10 +93,6 @@ static void pci_domain_set_resources(device_t dev)
assign_resources(dev->link_list);
}
- /* TODO We could determine how many PCIe busses we need in
- * the bar. For now that number is hardcoded to a max of 64.
- * See e7525/northbridge.c for an example.
- */
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
@@ -119,6 +110,8 @@ static void mc_read_resources(device_t dev)
pci_dev_read_resources(dev);
+ mmconf_resource64(dev, 0x50);
+
tseg_base = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0, 0)), TSEG);
TOUUD = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0, 0)),
D0F0_TOUUD);
diff --git a/src/northbridge/intel/sandybridge/Kconfig b/src/northbridge/intel/sandybridge/Kconfig
index c78b397..15f2aab 100644
--- a/src/northbridge/intel/sandybridge/Kconfig
+++ b/src/northbridge/intel/sandybridge/Kconfig
@@ -71,6 +71,10 @@ config BOOTBLOCK_NORTHBRIDGE_INIT
string
default "northbridge/intel/sandybridge/bootblock.c"
+config MMCONF_BUS_NUMBER
+ int
+ default 64
+
if USE_NATIVE_RAMINIT
config DCACHE_RAM_BASE
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index fe1a07c..0c30b2d 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -61,18 +61,18 @@ int bridge_silicon_revision(void)
static const int legacy_hole_base_k = 0xa0000 / 1024;
static const int legacy_hole_size_k = 384;
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
*base = 0;
- *len = 0;
dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!dev)
return 0;
+ /* FIXME: 64bit BAR here. */
pciexbar_reg = pci_read_config32(dev, PCIEXBAR);
if (!(pciexbar_reg & (1 << 0)))
@@ -81,16 +81,13 @@ static int get_pcie_bar(u32 *base, u32 *len)
switch ((pciexbar_reg >> 1) & 3) {
case 0: // 256MB
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
- *len = 256 * 1024 * 1024;
- return 1;
+ return 256;
case 1: // 128M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
- *len = 128 * 1024 * 1024;
- return 1;
+ return 128;
case 2: // 64M
*base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
- *len = 64 * 1024 * 1024;
- return 1;
+ return 64;
}
return 0;
@@ -98,21 +95,8 @@ static int get_pcie_bar(u32 *base, u32 *len)
static void add_fixed_resources(struct device *dev, int index)
{
- struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
mmio_resource(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10);
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
- "size=0x%x\n", pcie_config_base, pcie_config_size);
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
-
mmio_resource(dev, index++, legacy_hole_base_k,
(0xc0000 >> 10) - legacy_hole_base_k);
reserved_ram_resource(dev, index++, 0xc0000 >> 10,
@@ -276,24 +260,17 @@ static struct device_operations pci_domain_ops = {
static void mc_read_resources(device_t dev)
{
- struct resource *resource;
+ u32 pcie_config_base;
+ int buses;
pci_dev_read_resources(dev);
- /* So, this is one of the big mysteries in the coreboot resource
- * allocator. This resource should make sure that the address space
- * of the PCIe memory mapped config space bar. But it does not.
- */
-
/* We use 0xcf as an unused index for our PCIe bar so that we find it again */
- resource = new_resource(dev, 0xcf);
- resource->base = DEFAULT_PCIEXBAR;
- resource->size = 64 * 1024 * 1024; /* 64MB hard coded PCIe config space */
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
- IORESOURCE_ASSIGNED;
- printk(BIOS_DEBUG, "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n",
- (unsigned long)(resource->base), (unsigned long)(resource->base + resource->size));
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 1, pcie_config_base, buses);
+ }
}
static void mc_set_resources(device_t dev)
diff --git a/src/northbridge/via/vx900/Kconfig b/src/northbridge/via/vx900/Kconfig
index 73d40ad..4b1e6cc 100644
--- a/src/northbridge/via/vx900/Kconfig
+++ b/src/northbridge/via/vx900/Kconfig
@@ -33,6 +33,10 @@ config MMCONF_BASE_ADDRESS
hex
default 0xe0000000
+config MMCONF_BUS_NUMBER
+ int
+ default 256
+
config VGA_BIOS_ID
string
default "1106,7122"
diff --git a/src/northbridge/via/vx900/northbridge.c b/src/northbridge/via/vx900/northbridge.c
index a4a8ece..ffeaada0 100644
--- a/src/northbridge/via/vx900/northbridge.c
+++ b/src/northbridge/via/vx900/northbridge.c
@@ -297,10 +297,7 @@ static void vx900_read_resources(device_t dev)
/* Now do the same for our MMCONF
* We always run with MMCONF enabled. We need to access the extended
* config space when configuring PCI-Express links */
- res = new_resource(dev, idx++);
- res->size = 256 * MiB;
- res->base = CONFIG_MMCONF_BASE_ADDRESS;
- res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ mmconf_resource32(dev, idx++);
pci_domain_read_resources(dev);
}
diff --git a/src/soc/intel/fsp_baytrail/northcluster.c b/src/soc/intel/fsp_baytrail/northcluster.c
index bf1a388..d6f12dc 100644
--- a/src/soc/intel/fsp_baytrail/northcluster.c
+++ b/src/soc/intel/fsp_baytrail/northcluster.c
@@ -86,18 +86,18 @@ uint32_t nc_read_top_of_low_memory(void)
return fsp_mem_base;
}
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
*base = 0;
- *len = 0;
dev = dev_find_slot(0, PCI_DEVFN(0, 0));
if (!dev)
return 0;
+ /* FIXME: This is 64bit BAR. */
pciexbar_reg = iosf_bunit_read(BUNIT_MMCONF_REG);
if (!(pciexbar_reg & (1 << 0)))
@@ -105,26 +105,13 @@ static int get_pcie_bar(u32 *base, u32 *len)
*base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
(1 << 28));
- *len = 256 * 1024 * 1024; /* 256MB ECAM range */
- return 1;
+ return 256;
}
static int add_fixed_resources(struct device *dev, int index)
{
struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
-
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x "
- "size=0x%x\n", pcie_config_base, pcie_config_size);
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
resource = new_resource(dev, index++); /* Local APIC */
resource->base = LAPIC_DEFAULT_BASE;
@@ -182,9 +169,18 @@ static void mc_add_dram_resources(device_t dev)
static void nc_read_resources(device_t dev)
{
+ u32 pcie_config_base;
+ int buses;
+
/* Call the normal read_resources */
pci_dev_read_resources(dev);
+ /* We use 0xcf as an unused index for our PCIe bar so that we find it again */
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 1, pcie_config_base, buses);
+ }
/* Calculate and add DRAM resources. */
mc_add_dram_resources(dev);
diff --git a/src/soc/intel/sch/Kconfig b/src/soc/intel/sch/Kconfig
index 2456df7..abdee44 100644
--- a/src/soc/intel/sch/Kconfig
+++ b/src/soc/intel/sch/Kconfig
@@ -28,6 +28,10 @@ config BOOTBLOCK_NORTHBRIDGE_INIT
string
default "soc/intel/sch/bootblock.c"
+config MMCONF_BUS_NUMBER
+ int
+ default 256
+
config VGA_BIOS_ID
string
default "8086,8108"
diff --git a/src/soc/intel/sch/northbridge.c b/src/soc/intel/sch/northbridge.c
index 390a0bc..07b17c0 100644
--- a/src/soc/intel/sch/northbridge.c
+++ b/src/soc/intel/sch/northbridge.c
@@ -27,7 +27,7 @@
#include <arch/acpi.h>
#include "sch.h"
-static int get_pcie_bar(u32 *base, u32 *len)
+static int get_pcie_bar(u32 *base)
{
device_t dev;
u32 pciexbar_reg;
@@ -50,18 +50,15 @@ static int get_pcie_bar(u32 *base, u32 *len)
case 0: /* 256MB */
*base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
(1 << 28));
- *len = 256 * 1024 * 1024;
- return 1;
+ return 256;
case 1: /* 128M */
*base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
(1 << 28) | (1 << 27));
- *len = 128 * 1024 * 1024;
- return 1;
+ return 128;
case 2: /* 64M */
*base = pciexbar_reg & ((1 << 31) | (1 << 30) | (1 << 29) |
(1 << 28) | (1 << 27) | (1 << 26));
- *len = 64 * 1024 * 1024;
- return 1;
+ return 64;
}
return 0;
@@ -70,16 +67,6 @@ static int get_pcie_bar(u32 *base, u32 *len)
static void add_fixed_resources(struct device *dev, int index)
{
struct resource *resource;
- u32 pcie_config_base, pcie_config_size;
-
- if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) {
- printk(BIOS_DEBUG, "Adding PCIe config bar\n");
- resource = new_resource(dev, index++);
- resource->base = (resource_t) pcie_config_base;
- resource->size = (resource_t) pcie_config_size;
- resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
- IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- }
printk(BIOS_DEBUG, "Adding CMC shadow area\n");
resource = new_resource(dev, index++);
@@ -198,28 +185,20 @@ static struct device_operations pci_domain_ops = {
static void mc_read_resources(device_t dev)
{
- struct resource *resource;
+ u32 pcie_config_base;
+ int buses;
pci_dev_read_resources(dev);
/*
- * So, this is one of the big mysteries in the coreboot resource
- * allocator. This resource should make sure that the address space
- * of the PCIe memory mapped config space bar. But it does not.
- */
-
- /*
* We use 0xcf as an unused index for our PCIe bar so that we find
* it again.
*/
- resource = new_resource(dev, 0xcf);
- resource->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
- IORESOURCE_STORED | IORESOURCE_ASSIGNED;
- get_pcie_bar((u32 *)&resource->base, (u32 *)&resource->size);
- printk(BIOS_DEBUG,
- "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n",
- (unsigned long)(resource->base),
- (unsigned long)(resource->base + resource->size));
+ buses = get_pcie_bar(&pcie_config_base);
+ if (buses) {
+ struct resource *resource = new_resource(dev, 0xcf);
+ mmconf_resource_init(resource, 0, pcie_config_base, buses);
+ }
}
static void mc_set_resources(device_t dev)
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