X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fns16550.h;h=18c9077755bef823f388c8219d0bdc3de8fd86ee;hb=406df85345f942d9348443983d81a01e013e920b;hp=1311f4cb919e3dff6917a593fb390671613f5795;hpb=55926ddd189546742a4496e6690c2b62958cd7cd;p=oweals%2Fu-boot.git diff --git a/include/ns16550.h b/include/ns16550.h index 1311f4cb91..18c9077755 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -31,6 +31,9 @@ #define CONFIG_SYS_NS16550_REG_SIZE (-1) #endif +#ifdef CONFIG_NS16550_DYNAMIC +#define UART_REG(x) unsigned char x +#else #if !defined(CONFIG_SYS_NS16550_REG_SIZE) || (CONFIG_SYS_NS16550_REG_SIZE == 0) #error "Please define NS16550 registers size." #elif defined(CONFIG_SYS_NS16550_MEM32) && !defined(CONFIG_DM_SERIAL) @@ -44,19 +47,37 @@ unsigned char x; \ unsigned char postpad_##x[-CONFIG_SYS_NS16550_REG_SIZE - 1]; #endif +#endif /* CONFIG_NS16550_DYNAMIC */ + +enum ns16550_flags { + NS16550_FLAG_IO = 1 << 0, /* Use I/O access (else mem-mapped) */ + NS16550_FLAG_ENDIAN = 1 << 1, /* Use out_le/be_32() */ + NS16550_FLAG_BE = 1 << 2, /* Big-endian access (else little) */ +}; /** * struct ns16550_platdata - information about a NS16550 port * * @base: Base register address + * @reg_width: IO accesses size of registers (in bytes, 1 or 4) * @reg_shift: Shift size of registers (0=byte, 1=16bit, 2=32bit...) + * @reg_offset: Offset to start of registers (normally 0) * @clock: UART base clock speed in Hz + * @fcr: Offset of FCR register (normally UART_FCR_DEFVAL) + * @flags: A few flags (enum ns16550_flags) + * @bdf: PCI slot/function (pci_dev_t) */ struct ns16550_platdata { unsigned long base; + int reg_width; int reg_shift; - int clock; int reg_offset; + int clock; + u32 fcr; + int flags; +#if defined(CONFIG_PCI) && defined(CONFIG_SPL) + int bdf; +#endif }; struct udevice; @@ -117,6 +138,14 @@ typedef struct NS16550 *NS16550_t; #define UART_FCR_RXSR 0x02 /* Receiver soft reset */ #define UART_FCR_TXSR 0x04 /* Transmitter soft reset */ +/* Ingenic JZ47xx specific UART-enable bit. */ +#define UART_FCR_UME 0x10 + +/* Clear & enable FIFOs */ +#define UART_FCR_DEFVAL (UART_FCR_FIFO_EN | \ + UART_FCR_RXSR | \ + UART_FCR_TXSR) + /* * These are the definitions for the Modem Control Register */