Signed-off-by: BALATON Zoltan <balaton(a)eik.bme.hu>
---
v4: Added call parent word for bridge devices
drivers/pci.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 102 insertions(+)
diff --git a/drivers/pci.c b/drivers/pci.c
index f30e427..084ebe9 100644
--- a/drivers/pci.c
+++ b/drivers/pci.c
@@ -424,6 +424,60 @@ ob_pci_bus_map_in(int *idx)
PUSH(virt);
}
+static void
+ob_pci_config_read8(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ uint8_t val = pci_config_read8(addr, hi & 0xff);
+ PUSH(val);
+}
+
+static void
+ob_pci_config_write8(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ cell val = POP();
+ pci_config_write8(addr, hi & 0xff, val);
+}
+
+static void
+ob_pci_config_read16(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ uint16_t val = pci_config_read16(addr, hi & 0xff);
+ PUSH(val);
+}
+
+static void
+ob_pci_config_write16(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ cell val = POP();
+ pci_config_write16(addr, hi & 0xff, val);
+}
+
+static void
+ob_pci_config_read32(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ uint32_t val = pci_config_read32(addr, hi & 0xff);
+ PUSH(val);
+}
+
+static void
+ob_pci_config_write32(int *idx)
+{
+ cell hi = POP();
+ pci_addr addr = PCI_ADDR(PCI_BUS(hi), PCI_DEV(hi), PCI_FN(hi));
+ cell val = POP();
+ pci_config_write32(addr, hi & 0xff, val);
+}
+
static void
ob_pci_dma_alloc(int *idx)
{
@@ -460,6 +514,12 @@ NODE_METHODS(ob_pci_bus_node) = {
{ "decode-unit", ob_pci_decode_unit },
{ "encode-unit", ob_pci_encode_unit },
{ "pci-map-in", ob_pci_bus_map_in },
+ { "config-b@", ob_pci_config_read8 },
+ { "config-b!", ob_pci_config_write8 },
+ { "config-w@", ob_pci_config_read16 },
+ { "config-w!", ob_pci_config_write16 },
+ { "config-l@", ob_pci_config_read32 },
+ { "config-l!", ob_pci_config_write32 },
{ "dma-alloc", ob_pci_dma_alloc },
{ "dma-free", ob_pci_dma_free },
{ "dma-map-in", ob_pci_dma_map_in },
@@ -476,12 +536,54 @@ ob_pci_bridge_map_in(int *idx)
call_parent_method("pci-map-in");
}
+static void
+ob_pci_bridge_cread8(void)
+{
+ call_parent_method("config-b@");
+}
+
+static void
+ob_pci_bridge_cwrite8(void)
+{
+ call_parent_method("config-b!");
+}
+
+static void
+ob_pci_bridge_cread16(void)
+{
+ call_parent_method("config-w@");
+}
+
+static void
+ob_pci_bridge_cwrite16(void)
+{
+ call_parent_method("config-w!");
+}
+
+static void
+ob_pci_bridge_cread32(void)
+{
+ call_parent_method("config-l@");
+}
+
+static void
+ob_pci_bridge_cwrite32(void)
+{
+ call_parent_method("config-l!");
+}
+
NODE_METHODS(ob_pci_bridge_node) = {
{ "open", ob_pci_open },
{ "close", ob_pci_close },
{ "decode-unit", ob_pci_decode_unit },
{ "encode-unit", ob_pci_encode_unit },
{ "pci-map-in", ob_pci_bridge_map_in },
+ { "config-b@", ob_pci_bridge_cread8 },
+ { "config-b!", ob_pci_bridge_cwrite8 },
+ { "config-w@", ob_pci_bridge_cread16 },
+ { "config-w!", ob_pci_bridge_cwrite16 },
+ { "config-l@", ob_pci_bridge_cread32 },
+ { "config-l!", ob_pci_bridge_cwrite32 },
{ "dma-alloc", ob_pci_dma_alloc },
{ "dma-free", ob_pci_dma_free },
{ "dma-map-in", ob_pci_dma_map_in },
--
2.30.6
