On Intel Quark, lots of registers on the message port need be programmed. Add handy clrbits, setbits, clrsetbits macros for message port access.
Signed-off-by: Bin Meng <bmeng...@gmail.com> Reviewed-by: Simon Glass <s...@chromium.org> --- Changes in v2: - Change all macros to use a single msg_port_generic_clrsetbits arch/x86/include/asm/arch-quark/msg_port.h | 31 ++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/x86/include/asm/arch-quark/msg_port.h b/arch/x86/include/asm/arch-quark/msg_port.h index 2e78a66..313e23f 100644 --- a/arch/x86/include/asm/arch-quark/msg_port.h +++ b/arch/x86/include/asm/arch-quark/msg_port.h @@ -101,6 +101,37 @@ u32 msg_port_io_read(u8 port, u32 reg); */ void msg_port_io_write(u8 port, u32 reg, u32 value); +/* clrbits, setbits, clrsetbits macros for message port access */ + +#define msg_port_normal_read msg_port_read +#define msg_port_normal_write msg_port_write + +#define msg_port_generic_clrsetbits(type, port, reg, clr, set) \ + msg_port_##type##_write(port, reg, \ + (msg_port_##type##_read(port, reg) \ + & ~(clr)) | (set)) + +#define msg_port_clrbits(port, reg, clr) \ + msg_port_generic_clrsetbits(normal, port, reg, clr, 0) +#define msg_port_setbits(port, reg, set) \ + msg_port_generic_clrsetbits(normal, port, reg, 0, set) +#define msg_port_clrsetbits(port, reg, clr, set) \ + msg_port_generic_clrsetbits(normal, port, reg, clr, set) + +#define msg_port_alt_clrbits(port, reg, clr) \ + msg_port_generic_clrsetbits(alt, port, reg, clr, 0) +#define msg_port_alt_setbits(port, reg, set) \ + msg_port_generic_clrsetbits(alt, port, reg, 0, set) +#define msg_port_alt_clrsetbits(port, reg, clr, set) \ + msg_port_generic_clrsetbits(alt, port, reg, clr, set) + +#define msg_port_io_clrbits(port, reg, clr) \ + msg_port_generic_clrsetbits(io, port, reg, clr, 0) +#define msg_port_io_setbits(port, reg, set) \ + msg_port_generic_clrsetbits(io, port, reg, 0, set) +#define msg_port_io_clrsetbits(port, reg, clr, set) \ + msg_port_generic_clrsetbits(io, port, reg, clr, set) + #endif /* __ASSEMBLY__ */ #endif /* _QUARK_MSG_PORT_H_ */ -- 1.8.2.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
