serial: add LPC32X0 high-speed UART devices support

[karo-tx-uboot.git] / arch / arm / include / asm / arch-lpc32xx / uart.h

diff --git a/arch/arm/include/asm/arch-lpc32xx/uart.h b/arch/arm/include/asm/arch-lpc32xx/uart.h
index b613df830c784a632ffe239d3bda6362583b36e6..ec1289323617d2838e60c6f978a7f6cf977f2d35 100644 (file)
--- a/arch/arm/include/asm/arch-lpc32xx/uart.h
+++ b/arch/arm/include/asm/arch-lpc32xx/uart.h
@@ -22,6 +22,66 @@
 
 #include <asm/types.h>
 
+/* 14-clock UART Registers */
+struct hsuart_regs {
+       union {
+               u32 rx;         /* Receiver FIFO                */
+               u32 tx;         /* Transmitter FIFO             */
+       };
+       u32 level;              /* FIFO Level Register          */
+       u32 iir;                /* Interrupt ID Register        */
+       u32 ctrl;               /* Control Register             */
+       u32 rate;               /* Rate Control Register        */
+};
+
+/* 14-clock UART Receiver FIFO Register bits */
+#define HSUART_RX_BREAK                        (1 << 10)
+#define HSUART_RX_ERROR                        (1 << 9)
+#define HSUART_RX_EMPTY                        (1 << 8)
+#define HSUART_RX_DATA                 (0xff << 0)
+
+/* 14-clock UART Level Register bits */
+#define HSUART_LEVEL_TX                        (0xff << 8)
+#define HSUART_LEVEL_RX                        (0xff << 0)
+
+/* 14-clock UART Interrupt Identification Register bits */
+#define HSUART_IIR_TX_INT_SET          (1 << 6)
+#define HSUART_IIR_RX_OE               (1 << 5)
+#define HSUART_IIR_BRK                 (1 << 4)
+#define HSUART_IIR_FE                  (1 << 3)
+#define HSUART_IIR_RX_TIMEOUT          (1 << 2)
+#define HSUART_IIR_RX_TRIG             (1 << 1)
+#define HSUART_IIR_TX                  (1 << 0)
+
+/* 14-clock UART Control Register bits */
+#define HSUART_CTRL_HRTS_INV           (1 << 21)
+#define HSUART_CTRL_HRTS_TRIG_48       (0x3 << 19)
+#define HSUART_CTRL_HRTS_TRIG_32       (0x2 << 19)
+#define HSUART_CTRL_HRTS_TRIG_16       (0x1 << 19)
+#define HSUART_CTRL_HRTS_TRIG_8                (0x0 << 19)
+#define HSUART_CTRL_HRTS_EN            (1 << 18)
+#define HSUART_CTRL_TMO_16             (0x3 << 16)
+#define HSUART_CTRL_TMO_8              (0x2 << 16)
+#define HSUART_CTRL_TMO_4              (0x1 << 16)
+#define HSUART_CTRL_TMO_DISABLED       (0x0 << 16)
+#define HSUART_CTRL_HCTS_INV           (1 << 15)
+#define HSUART_CTRL_HCTS_EN            (1 << 14)
+#define HSUART_CTRL_HSU_OFFSET(n)      ((n) << 9)
+#define HSUART_CTRL_HSU_BREAK          (1 << 8)
+#define HSUART_CTRL_HSU_ERR_INT_EN     (1 << 7)
+#define HSUART_CTRL_HSU_RX_INT_EN      (1 << 6)
+#define HSUART_CTRL_HSU_TX_INT_EN      (1 << 5)
+#define HSUART_CTRL_HSU_RX_TRIG_48     (0x5 << 2)
+#define HSUART_CTRL_HSU_RX_TRIG_32     (0x4 << 2)
+#define HSUART_CTRL_HSU_RX_TRIG_16     (0x3 << 2)
+#define HSUART_CTRL_HSU_RX_TRIG_8      (0x2 << 2)
+#define HSUART_CTRL_HSU_RX_TRIG_4      (0x1 << 2)
+#define HSUART_CTRL_HSU_RX_TRIG_1      (0x0 << 2)
+#define HSUART_CTRL_HSU_TX_TRIG_16     (0x3 << 0)
+#define HSUART_CTRL_HSU_TX_TRIG_8      (0x2 << 0)
+#define HSUART_CTRL_HSU_TX_TRIG_4      (0x1 << 0)
+#define HSUART_CTRL_HSU_TX_TRIG_0      (0x0 << 0)
+
 /* UART Control Registers */
 struct uart_ctrl_regs {
        u32 ctrl;               /* Control Register             */