diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/cpu/quark/msg_port.c | 44 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-quark/quark.h | 35 |
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 31713e321f..cf828f21c0 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 c9979280b6..1ce56934d6 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_ */ |