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-rw-r--r--arch/x86/cpu/quark/msg_port.c44
-rw-r--r--arch/x86/include/asm/arch-quark/quark.h35
2 files changed, 57 insertions, 22 deletions
diff --git a/arch/x86/cpu/quark/msg_port.c b/arch/x86/cpu/quark/msg_port.c
index 31713e3..cf828f2 100644
--- a/arch/x86/cpu/quark/msg_port.c
+++ b/arch/x86/cpu/quark/msg_port.c
@@ -5,34 +5,34 @@
*/
#include <common.h>
-#include <pci.h>
#include <asm/arch/device.h>
#include <asm/arch/msg_port.h>
+#include <asm/arch/quark.h>
void msg_port_setup(int op, int port, int reg)
{
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_REG,
- (((op) << 24) | ((port) << 16) |
- (((reg) << 8) & 0xff00) | MSG_BYTE_ENABLE));
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_REG,
+ (((op) << 24) | ((port) << 16) |
+ (((reg) << 8) & 0xff00) | MSG_BYTE_ENABLE));
}
u32 msg_port_read(u8 port, u32 reg)
{
u32 value;
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_READ, port, reg);
- pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
+ qrk_pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
return value;
}
void msg_port_write(u8 port, u32 reg, u32 value)
{
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_WRITE, port, reg);
}
@@ -40,19 +40,19 @@ u32 msg_port_alt_read(u8 port, u32 reg)
{
u32 value;
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_ALT_READ, port, reg);
- pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
+ qrk_pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
return value;
}
void msg_port_alt_write(u8 port, u32 reg, u32 value)
{
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_ALT_WRITE, port, reg);
}
@@ -60,18 +60,18 @@ u32 msg_port_io_read(u8 port, u32 reg)
{
u32 value;
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_IO_READ, port, reg);
- pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
+ qrk_pci_read_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, &value);
return value;
}
void msg_port_io_write(u8 port, u32 reg, u32 value)
{
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
- pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
- reg & 0xffffff00);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_DATA_REG, value);
+ qrk_pci_write_config_dword(QUARK_HOST_BRIDGE, MSG_CTRL_EXT_REG,
+ reg & 0xffffff00);
msg_port_setup(MSG_OP_IO_WRITE, port, reg);
}
diff --git a/arch/x86/include/asm/arch-quark/quark.h b/arch/x86/include/asm/arch-quark/quark.h
index c997928..1ce5693 100644
--- a/arch/x86/include/asm/arch-quark/quark.h
+++ b/arch/x86/include/asm/arch-quark/quark.h
@@ -89,6 +89,41 @@ struct quark_rcba {
u16 d20d21_ir;
};
+#include <asm/io.h>
+#include <asm/pci.h>
+
+/**
+ * qrk_pci_read_config_dword() - Read a configuration value
+ *
+ * @dev: PCI device address: bus, device and function
+ * @offset: Dword offset within the device's configuration space
+ * @valuep: Place to put the returned value
+ *
+ * Note: This routine is inlined to provide better performance on Quark
+ */
+static inline void qrk_pci_read_config_dword(pci_dev_t dev, int offset,
+ u32 *valuep)
+{
+ outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
+ *valuep = inl(PCI_REG_DATA);
+}
+
+/**
+ * qrk_pci_write_config_dword() - Write a PCI configuration value
+ *
+ * @dev: PCI device address: bus, device and function
+ * @offset: Dword offset within the device's configuration space
+ * @value: Value to write
+ *
+ * Note: This routine is inlined to provide better performance on Quark
+ */
+static inline void qrk_pci_write_config_dword(pci_dev_t dev, int offset,
+ u32 value)
+{
+ outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
+ outl(value, PCI_REG_DATA);
+}
+
#endif /* __ASSEMBLY__ */
#endif /* _QUARK_H_ */