summaryrefslogtreecommitdiffstats
path: root/drivers/pci/host/pci-mvebu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/host/pci-mvebu.c')
-rw-r--r--drivers/pci/host/pci-mvebu.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 13478ecd411..d3d1cfd51e0 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -60,14 +60,6 @@
#define PCIE_DEBUG_CTRL 0x1a60
#define PCIE_DEBUG_SOFT_RESET BIT(20)
-/*
- * This product ID is registered by Marvell, and used when the Marvell
- * SoC is not the root complex, but an endpoint on the PCIe bus. It is
- * therefore safe to re-use this PCI ID for our emulated PCI-to-PCI
- * bridge.
- */
-#define MARVELL_EMULATED_PCI_PCI_BRIDGE_ID 0x7846
-
/* PCI configuration space of a PCI-to-PCI bridge */
struct mvebu_sw_pci_bridge {
u16 vendor;
@@ -109,7 +101,9 @@ struct mvebu_pcie {
struct mvebu_pcie_port *ports;
struct msi_chip *msi;
struct resource io;
+ char io_name[30];
struct resource realio;
+ char mem_name[30];
struct resource mem;
struct resource busn;
int nports;
@@ -388,7 +382,8 @@ static void mvebu_sw_pci_bridge_init(struct mvebu_pcie_port *port)
bridge->class = PCI_CLASS_BRIDGE_PCI;
bridge->vendor = PCI_VENDOR_ID_MARVELL;
- bridge->device = MARVELL_EMULATED_PCI_PCI_BRIDGE_ID;
+ bridge->device = mvebu_readl(port, PCIE_DEV_ID_OFF) >> 16;
+ bridge->revision = mvebu_readl(port, PCIE_DEV_REV_OFF) & 0xff;
bridge->header_type = PCI_HEADER_TYPE_BRIDGE;
bridge->cache_line_size = 0x10;
@@ -679,10 +674,30 @@ static int mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
{
struct mvebu_pcie *pcie = sys_to_pcie(sys);
int i;
+ int domain = 0;
+
+#ifdef CONFIG_PCI_DOMAINS
+ domain = sys->domain;
+#endif
+
+ snprintf(pcie->mem_name, sizeof(pcie->mem_name), "PCI MEM %04x",
+ domain);
+ pcie->mem.name = pcie->mem_name;
- if (resource_size(&pcie->realio) != 0)
+ snprintf(pcie->io_name, sizeof(pcie->io_name), "PCI I/O %04x", domain);
+ pcie->realio.name = pcie->io_name;
+
+ if (request_resource(&iomem_resource, &pcie->mem))
+ return 0;
+
+ if (resource_size(&pcie->realio) != 0) {
+ if (request_resource(&ioport_resource, &pcie->realio)) {
+ release_resource(&pcie->mem);
+ return 0;
+ }
pci_add_resource_offset(&sys->resources, &pcie->realio,
sys->io_offset);
+ }
pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
pci_add_resource(&sys->resources, &pcie->busn);
@@ -804,7 +819,7 @@ static int mvebu_get_tgt_attr(struct device_node *np, int devfn,
for (i = 0; i < nranges; i++) {
u32 flags = of_read_number(range, 1);
- u32 slot = of_read_number(range, 2);
+ u32 slot = of_read_number(range + 1, 1);
u64 cpuaddr = of_read_number(range + na, pna);
unsigned long rtype;