--- /dev/null
+/*
+ * bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_ASM_SERIAL_H__
+#define __BFIN_ASM_SERIAL_H__
+
+#include <linux/serial_core.h>
+#include <mach/anomaly.h>
+#include <mach/bfin_serial.h>
+
+struct circ_buf;
+struct timer_list;
+struct work_struct;
+
+struct bfin_serial_port {
+ struct uart_port port;
+ unsigned int old_status;
+ int status_irq;
+#ifndef BFIN_UART_BF54X_STYLE
+ unsigned int lsr;
+#endif
+#ifdef CONFIG_SERIAL_BFIN_DMA
+ int tx_done;
+ int tx_count;
+ struct circ_buf rx_dma_buf;
+ struct timer_list rx_dma_timer;
+ int rx_dma_nrows;
+ unsigned int tx_dma_channel;
+ unsigned int rx_dma_channel;
+ struct work_struct tx_dma_workqueue;
+#elif ANOMALY_05000363
+ unsigned int anomaly_threshold;
+#endif
+#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
+ int scts;
+#endif
+#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
+ defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
+ int cts_pin;
+ int rts_pin;
+#endif
+};
+
+/* UART_LCR Masks */
+#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
+#define STB 0x04 /* Stop Bits */
+#define PEN 0x08 /* Parity Enable */
+#define EPS 0x10 /* Even Parity Select */
+#define STP 0x20 /* Stick Parity */
+#define SB 0x40 /* Set Break */
+#define DLAB 0x80 /* Divisor Latch Access */
+
+/* UART_LSR Masks */
+#define DR 0x01 /* Data Ready */
+#define OE 0x02 /* Overrun Error */
+#define PE 0x04 /* Parity Error */
+#define FE 0x08 /* Framing Error */
+#define BI 0x10 /* Break Interrupt */
+#define THRE 0x20 /* THR Empty */
+#define TEMT 0x40 /* TSR and UART_THR Empty */
+#define TFI 0x80 /* Transmission Finished Indicator */
+
+/* UART_IER Masks */
+#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
+#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
+#define ELSI 0x04 /* Enable RX Status Interrupt */
+#define EDSSI 0x08 /* Enable Modem Status Interrupt */
+#define EDTPTI 0x10 /* Enable DMA Transmit PIRQ Interrupt */
+#define ETFI 0x20 /* Enable Transmission Finished Interrupt */
+#define ERFCI 0x40 /* Enable Receive FIFO Count Interrupt */
+
+/* UART_MCR Masks */
+#define XOFF 0x01 /* Transmitter Off */
+#define MRTS 0x02 /* Manual Request To Send */
+#define RFIT 0x04 /* Receive FIFO IRQ Threshold */
+#define RFRT 0x08 /* Receive FIFO RTS Threshold */
+#define LOOP_ENA 0x10 /* Loopback Mode Enable */
+#define FCPOL 0x20 /* Flow Control Pin Polarity */
+#define ARTS 0x40 /* Automatic Request To Send */
+#define ACTS 0x80 /* Automatic Clear To Send */
+
+/* UART_MSR Masks */
+#define SCTS 0x01 /* Sticky CTS */
+#define CTS 0x10 /* Clear To Send */
+#define RFCS 0x20 /* Receive FIFO Count Status */
+
+/* UART_GCTL Masks */
+#define UCEN 0x01 /* Enable UARTx Clocks */
+#define IREN 0x02 /* Enable IrDA Mode */
+#define TPOLC 0x04 /* IrDA TX Polarity Change */
+#define RPOLC 0x08 /* IrDA RX Polarity Change */
+#define FPE 0x10 /* Force Parity Error On Transmit */
+#define FFE 0x20 /* Force Framing Error On Transmit */
+
+#ifdef BFIN_UART_BF54X_STYLE
+# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
+# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
+# define OFFSET_GCTL 0x08 /* Global Control Register */
+# define OFFSET_LCR 0x0C /* Line Control Register */
+# define OFFSET_MCR 0x10 /* Modem Control Register */
+# define OFFSET_LSR 0x14 /* Line Status Register */
+# define OFFSET_MSR 0x18 /* Modem Status Register */
+# define OFFSET_SCR 0x1C /* SCR Scratch Register */
+# define OFFSET_IER_SET 0x20 /* Set Interrupt Enable Register */
+# define OFFSET_IER_CLEAR 0x24 /* Clear Interrupt Enable Register */
+# define OFFSET_THR 0x28 /* Transmit Holding register */
+# define OFFSET_RBR 0x2C /* Receive Buffer register */
+#else /* BF533 style */
+# define OFFSET_THR 0x00 /* Transmit Holding register */
+# define OFFSET_RBR 0x00 /* Receive Buffer register */
+# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
+# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
+# define OFFSET_IER 0x04 /* Interrupt Enable Register */
+# define OFFSET_IIR 0x08 /* Interrupt Identification Register */
+# define OFFSET_LCR 0x0C /* Line Control Register */
+# define OFFSET_MCR 0x10 /* Modem Control Register */
+# define OFFSET_LSR 0x14 /* Line Status Register */
+# define OFFSET_MSR 0x18 /* Modem Status Register */
+# define OFFSET_SCR 0x1C /* SCR Scratch Register */
+# define OFFSET_GCTL 0x24 /* Global Control Register */
+/* code should not need IIR, so force build error if they use it */
+# undef OFFSET_IIR
+#endif
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+struct bfin_uart_regs {
+#ifdef BFIN_UART_BF54X_STYLE
+ __BFP(dll);
+ __BFP(dlh);
+ __BFP(gctl);
+ __BFP(lcr);
+ __BFP(mcr);
+ __BFP(lsr);
+ __BFP(msr);
+ __BFP(scr);
+ __BFP(ier_set);
+ __BFP(ier_clear);
+ __BFP(thr);
+ __BFP(rbr);
+#else
+ union {
+ u16 dll;
+ u16 thr;
+ const u16 rbr;
+ };
+ const u16 __pad0;
+ union {
+ u16 dlh;
+ u16 ier;
+ };
+ const u16 __pad1;
+ const __BFP(iir);
+ __BFP(lcr);
+ __BFP(mcr);
+ __BFP(lsr);
+ __BFP(msr);
+ __BFP(scr);
+ const u32 __pad2;
+ __BFP(gctl);
+#endif
+};
+#undef __BFP
+
+#ifndef port_membase
+# define port_membase(p) (((struct bfin_serial_port *)(p))->port.membase)
+#endif
+
+#define UART_GET_CHAR(p) bfin_read16(port_membase(p) + OFFSET_RBR)
+#define UART_GET_DLL(p) bfin_read16(port_membase(p) + OFFSET_DLL)
+#define UART_GET_DLH(p) bfin_read16(port_membase(p) + OFFSET_DLH)
+#define UART_GET_GCTL(p) bfin_read16(port_membase(p) + OFFSET_GCTL)
+#define UART_GET_LCR(p) bfin_read16(port_membase(p) + OFFSET_LCR)
+#define UART_GET_MCR(p) bfin_read16(port_membase(p) + OFFSET_MCR)
+#define UART_GET_MSR(p) bfin_read16(port_membase(p) + OFFSET_MSR)
+
+#define UART_PUT_CHAR(p, v) bfin_write16(port_membase(p) + OFFSET_THR, v)
+#define UART_PUT_DLL(p, v) bfin_write16(port_membase(p) + OFFSET_DLL, v)
+#define UART_PUT_DLH(p, v) bfin_write16(port_membase(p) + OFFSET_DLH, v)
+#define UART_PUT_GCTL(p, v) bfin_write16(port_membase(p) + OFFSET_GCTL, v)
+#define UART_PUT_LCR(p, v) bfin_write16(port_membase(p) + OFFSET_LCR, v)
+#define UART_PUT_MCR(p, v) bfin_write16(port_membase(p) + OFFSET_MCR, v)
+
+#ifdef BFIN_UART_BF54X_STYLE
+
+#define UART_CLEAR_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_CLEAR, v)
+#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER_SET)
+#define UART_SET_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_SET, v)
+
+#define UART_CLEAR_DLAB(p) /* MMRs not muxed on BF54x */
+#define UART_SET_DLAB(p) /* MMRs not muxed on BF54x */
+
+#define UART_CLEAR_LSR(p) bfin_write16(port_membase(p) + OFFSET_LSR, -1)
+#define UART_GET_LSR(p) bfin_read16(port_membase(p) + OFFSET_LSR)
+#define UART_PUT_LSR(p, v) bfin_write16(port_membase(p) + OFFSET_LSR, v)
+
+/* This handles hard CTS/RTS */
+#define UART_CLEAR_SCTS(p) bfin_write16((port_membase(p) + OFFSET_MSR), SCTS)
+#define UART_GET_CTS(x) (UART_GET_MSR(x) & CTS)
+#define UART_DISABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) & ~(ARTS | MRTS))
+#define UART_ENABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS | ARTS)
+#define UART_ENABLE_INTS(x, v) UART_SET_IER(x, v)
+#define UART_DISABLE_INTS(x) UART_CLEAR_IER(x, 0xF)
+
+#else /* BF533 style */
+
+#define UART_CLEAR_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) & ~(v))
+#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER)
+#define UART_PUT_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER, v)
+#define UART_SET_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) | (v))
+
+#define UART_CLEAR_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0)
+#define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)
+
+#ifndef put_lsr_cache
+# define put_lsr_cache(p, v) (((struct bfin_serial_port *)(p))->lsr = (v))
+#endif
+#ifndef get_lsr_cache
+# define get_lsr_cache(p) (((struct bfin_serial_port *)(p))->lsr)
+#endif
+
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline void UART_CLEAR_LSR(void *p)
+{
+ put_lsr_cache(p, 0);
+ bfin_write16(port_membase(p) + OFFSET_LSR, -1);
+}
+static inline unsigned int UART_GET_LSR(void *p)
+{
+ unsigned int lsr = bfin_read16(port_membase(p) + OFFSET_LSR);
+ put_lsr_cache(p, get_lsr_cache(p) | (lsr & (BI|FE|PE|OE)));
+ return lsr | get_lsr_cache(p);
+}
+static inline void UART_PUT_LSR(void *p, uint16_t val)
+{
+ put_lsr_cache(p, get_lsr_cache(p) & ~val);
+}
+
+/* This handles soft CTS/RTS */
+#define UART_GET_CTS(x) gpio_get_value((x)->cts_pin)
+#define UART_DISABLE_RTS(x) gpio_set_value((x)->rts_pin, 1)
+#define UART_ENABLE_RTS(x) gpio_set_value((x)->rts_pin, 0)
+#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
+#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
+
+#endif
+
+#ifndef BFIN_UART_TX_FIFO_SIZE
+# define BFIN_UART_TX_FIFO_SIZE 2
+#endif
+
+#endif /* __BFIN_ASM_SERIAL_H__ */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 2
+
+#endif
* Licensed under the GPL-2 or later
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_THR), v)
-#define UART_PUT_DLL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLL), v)
-#define UART_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v)
-#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v)
-#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v)
-#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
# define CONFIG_SERIAL_BFIN_CTSRTS
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#endif
#endif
-#define BFIN_UART_NR_PORTS 2
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif
#define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */
-
-/* ************** UART CONTROLLER MASKS *************************/
-/* UARTx_LCR Masks */
-#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
-#define STB 0x04 /* Stop Bits */
-#define PEN 0x08 /* Parity Enable */
-#define EPS 0x10 /* Even Parity Select */
-#define STP 0x20 /* Stick Parity */
-#define SB 0x40 /* Set Break */
-#define DLAB 0x80 /* Divisor Latch Access */
-
-/* UARTx_MCR Mask */
-#define LOOP_ENA 0x10 /* Loopback Mode Enable */
-#define LOOP_ENA_P 0x04
-
-/* UARTx_LSR Masks */
-#define DR 0x01 /* Data Ready */
-#define OE 0x02 /* Overrun Error */
-#define PE 0x04 /* Parity Error */
-#define FE 0x08 /* Framing Error */
-#define BI 0x10 /* Break Interrupt */
-#define THRE 0x20 /* THR Empty */
-#define TEMT 0x40 /* TSR and UART_THR Empty */
-
-/* UARTx_IER Masks */
-#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x04 /* Enable RX Status Interrupt */
-
-/* UARTx_IIR Masks */
-#define NINT 0x01 /* Pending Interrupt */
-#define IIR_TX_READY 0x02 /* UART_THR empty */
-#define IIR_RX_READY 0x04 /* Receive data ready */
-#define IIR_LINE_CHANGE 0x06 /* Receive line status */
-#define IIR_STATUS 0x06 /* Highest Priority Pending Interrupt */
-
-/* UARTx_GCTL Masks */
-#define UCEN 0x01 /* Enable UARTx Clocks */
-#define IREN 0x02 /* Enable IrDA Mode */
-#define TPOLC 0x04 /* IrDA TX Polarity Change */
-#define RPOLC 0x08 /* IrDA RX Polarity Change */
-#define FPE 0x10 /* Force Parity Error On Transmit */
-#define FFE 0x20 /* Force Framing Error On Transmit */
-
-
/* **************** GENERAL PURPOSE TIMER MASKS **********************/
/* TIMER_ENABLE Masks */
#define TIMEN0 0x0001 /* Enable Timer 0 */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 2
+
+#endif
* Licensed under the GPL-2 or later
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_THR), v)
-#define UART_PUT_DLL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLL), v)
-#define UART_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v)
-#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v)
-#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v)
-#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
# define CONFIG_SERIAL_BFIN_CTSRTS
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#endif
#endif
-#define BFIN_UART_NR_PORTS 2
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif
#define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */
-
-/* ************** UART CONTROLLER MASKS *************************/
-/* UARTx_LCR Masks */
-#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
-#define STB 0x04 /* Stop Bits */
-#define PEN 0x08 /* Parity Enable */
-#define EPS 0x10 /* Even Parity Select */
-#define STP 0x20 /* Stick Parity */
-#define SB 0x40 /* Set Break */
-#define DLAB 0x80 /* Divisor Latch Access */
-
-/* UARTx_MCR Mask */
-#define LOOP_ENA 0x10 /* Loopback Mode Enable */
-#define LOOP_ENA_P 0x04
-
-/* UARTx_LSR Masks */
-#define DR 0x01 /* Data Ready */
-#define OE 0x02 /* Overrun Error */
-#define PE 0x04 /* Parity Error */
-#define FE 0x08 /* Framing Error */
-#define BI 0x10 /* Break Interrupt */
-#define THRE 0x20 /* THR Empty */
-#define TEMT 0x40 /* TSR and UART_THR Empty */
-
-/* UARTx_IER Masks */
-#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x04 /* Enable RX Status Interrupt */
-
-/* UARTx_IIR Masks */
-#define NINT 0x01 /* Pending Interrupt */
-#define IIR_TX_READY 0x02 /* UART_THR empty */
-#define IIR_RX_READY 0x04 /* Receive data ready */
-#define IIR_LINE_CHANGE 0x06 /* Receive line status */
-#define IIR_STATUS 0x06 /* Highest Priority Pending Interrupt */
-
-/* UARTx_GCTL Masks */
-#define UCEN 0x01 /* Enable UARTx Clocks */
-#define IREN 0x02 /* Enable IrDA Mode */
-#define TPOLC 0x04 /* IrDA TX Polarity Change */
-#define RPOLC 0x08 /* IrDA RX Polarity Change */
-#define FPE 0x10 /* Force Parity Error On Transmit */
-#define FFE 0x20 /* Force Framing Error On Transmit */
-
-
/* **************** GENERAL PURPOSE TIMER MASKS **********************/
/* TIMER_ENABLE Masks */
#define TIMEN0 0x0001 /* Enable Timer 0 */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 1
+
+#endif
* Licensed under the GPL-2 or later
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
-#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
-#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
-#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
-#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
-#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#ifdef CONFIG_BFIN_UART0_CTSRTS
# define CONFIG_SERIAL_BFIN_CTSRTS
# ifndef CONFIG_UART0_CTS_PIN
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#else
-# if ANOMALY_05000363
- unsigned int anomaly_threshold;
-# endif
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#include "cdefBF532.h"
#endif
-#define BFIN_UART_NR_PORTS 1
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif /* _MACH_BLACKFIN_H_ */
#define IWR_ENABLE(x) (1 << (x)) /* Wakeup Enable Peripheral #x */
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << (x))) /* Wakeup Disable Peripheral #x */
-/* ***************************** UART CONTROLLER MASKS ********************** */
-
-/* UART_LCR Register */
-
-#define DLAB 0x80
-#define SB 0x40
-#define STP 0x20
-#define EPS 0x10
-#define PEN 0x08
-#define STB 0x04
-#define WLS(x) ((x-5) & 0x03)
-
-#define DLAB_P 0x07
-#define SB_P 0x06
-#define STP_P 0x05
-#define EPS_P 0x04
-#define PEN_P 0x03
-#define STB_P 0x02
-#define WLS_P1 0x01
-#define WLS_P0 0x00
-
-/* UART_MCR Register */
-#define LOOP_ENA 0x10
-#define LOOP_ENA_P 0x04
-
-/* UART_LSR Register */
-#define TEMT 0x40
-#define THRE 0x20
-#define BI 0x10
-#define FE 0x08
-#define PE 0x04
-#define OE 0x02
-#define DR 0x01
-
-#define TEMP_P 0x06
-#define THRE_P 0x05
-#define BI_P 0x04
-#define FE_P 0x03
-#define PE_P 0x02
-#define OE_P 0x01
-#define DR_P 0x00
-
-/* UART_IER Register */
-#define ELSI 0x04
-#define ETBEI 0x02
-#define ERBFI 0x01
-
-#define ELSI_P 0x02
-#define ETBEI_P 0x01
-#define ERBFI_P 0x00
-
-/* UART_IIR Register */
-#define STATUS(x) ((x << 1) & 0x06)
-#define NINT 0x01
-#define STATUS_P1 0x02
-#define STATUS_P0 0x01
-#define NINT_P 0x00
-#define IIR_TX_READY 0x02 /* UART_THR empty */
-#define IIR_RX_READY 0x04 /* Receive data ready */
-#define IIR_LINE_CHANGE 0x06 /* Receive line status */
-#define IIR_STATUS 0x06
-
-/* UART_GCTL Register */
-#define FFE 0x20
-#define FPE 0x10
-#define RPOLC 0x08
-#define TPOLC 0x04
-#define IREN 0x02
-#define UCEN 0x01
-
-#define FFE_P 0x05
-#define FPE_P 0x04
-#define RPOLC_P 0x03
-#define TPOLC_P 0x02
-#define IREN_P 0x01
-#define UCEN_P 0x00
-
/* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */
/* PPI_CONTROL Masks */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 2
+
+#endif
* Licensed under the GPL-2 or later
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
-#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
-#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
-#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
-#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
-#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
# define CONFIG_SERIAL_BFIN_CTSRTS
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#endif
#endif
-#define BFIN_UART_NR_PORTS 2
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif
#define IWR_ENABLE(x) (1 << ((x)&0x1F)) /* Wakeup Enable Peripheral #x */
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */
-/* ************** UART CONTROLLER MASKS *************************/
-/* UARTx_LCR Masks */
-#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
-#define STB 0x04 /* Stop Bits */
-#define PEN 0x08 /* Parity Enable */
-#define EPS 0x10 /* Even Parity Select */
-#define STP 0x20 /* Stick Parity */
-#define SB 0x40 /* Set Break */
-#define DLAB 0x80 /* Divisor Latch Access */
-
-/* UARTx_MCR Mask */
-#define LOOP_ENA 0x10 /* Loopback Mode Enable */
-#define LOOP_ENA_P 0x04
-/* UARTx_LSR Masks */
-#define DR 0x01 /* Data Ready */
-#define OE 0x02 /* Overrun Error */
-#define PE 0x04 /* Parity Error */
-#define FE 0x08 /* Framing Error */
-#define BI 0x10 /* Break Interrupt */
-#define THRE 0x20 /* THR Empty */
-#define TEMT 0x40 /* TSR and UART_THR Empty */
-
-/* UARTx_IER Masks */
-#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x04 /* Enable RX Status Interrupt */
-
-/* UARTx_IIR Masks */
-#define NINT 0x01 /* Pending Interrupt */
-#define IIR_TX_READY 0x02 /* UART_THR empty */
-#define IIR_RX_READY 0x04 /* Receive data ready */
-#define IIR_LINE_CHANGE 0x06 /* Receive line status */
-#define IIR_STATUS 0x06
-
-/* UARTx_GCTL Masks */
-#define UCEN 0x01 /* Enable UARTx Clocks */
-#define IREN 0x02 /* Enable IrDA Mode */
-#define TPOLC 0x04 /* IrDA TX Polarity Change */
-#define RPOLC 0x08 /* IrDA RX Polarity Change */
-#define FPE 0x10 /* Force Parity Error On Transmit */
-#define FFE 0x20 /* Force Framing Error On Transmit */
-
/* **************** GENERAL PURPOSE TIMER MASKS **********************/
/* TIMER_ENABLE Masks */
#define TIMEN0 0x0001 /* Enable Timer 0 */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 3
+
+#endif
* Licensed under the GPL-2 or later.
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_THR), v)
-#define UART_PUT_DLL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLL), v)
-#define UART_PUT_IER(uart, v) bfin_write16(((uart)->port.membase + OFFSET_IER), v)
-#define UART_SET_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart, v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart, v) bfin_write16(((uart)->port.membase + OFFSET_DLH), v)
-#define UART_PUT_LCR(uart, v) bfin_write16(((uart)->port.membase + OFFSET_LCR), v)
-#define UART_PUT_GCTL(uart, v) bfin_write16(((uart)->port.membase + OFFSET_GCTL), v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
# define CONFIG_SERIAL_BFIN_CTSRTS
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#endif
#endif
-#define BFIN_UART_NR_PORTS 3
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << ((x)&0x1F))) /* Wakeup Disable Peripheral #x */
#endif /* _MISRA_RULES */
-
-/* ***************************** UART CONTROLLER MASKS ********************** */
-/* UARTx_LCR Register */
-#ifdef _MISRA_RULES
-#define WLS(x) (((x)-5u) & 0x03u) /* Word Length Select */
-#else
-#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
-#endif /* _MISRA_RULES */
-#define STB 0x04 /* Stop Bits */
-#define PEN 0x08 /* Parity Enable */
-#define EPS 0x10 /* Even Parity Select */
-#define STP 0x20 /* Stick Parity */
-#define SB 0x40 /* Set Break */
-#define DLAB 0x80 /* Divisor Latch Access */
-
-#define DLAB_P 0x07
-#define SB_P 0x06
-#define STP_P 0x05
-#define EPS_P 0x04
-#define PEN_P 0x03
-#define STB_P 0x02
-#define WLS_P1 0x01
-#define WLS_P0 0x00
-
-/* UARTx_MCR Register */
-#define LOOP_ENA 0x10 /* Loopback Mode Enable */
-#define LOOP_ENA_P 0x04
-/* Deprecated UARTx_MCR Mask */
-
-/* UARTx_LSR Register */
-#define DR 0x01 /* Data Ready */
-#define OE 0x02 /* Overrun Error */
-#define PE 0x04 /* Parity Error */
-#define FE 0x08 /* Framing Error */
-#define BI 0x10 /* Break Interrupt */
-#define THRE 0x20 /* THR Empty */
-#define TEMT 0x40 /* TSR and UART_THR Empty */
-
-#define TEMP_P 0x06
-#define THRE_P 0x05
-#define BI_P 0x04
-#define FE_P 0x03
-#define PE_P 0x02
-#define OE_P 0x01
-#define DR_P 0x00
-
-/* UARTx_IER Register */
-#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x04 /* Enable RX Status Interrupt */
-
-#define ELSI_P 0x02
-#define ETBEI_P 0x01
-#define ERBFI_P 0x00
-
-/* UARTx_IIR Register */
-#define NINT 0x01
-#define STATUS_P1 0x02
-#define STATUS_P0 0x01
-#define NINT_P 0x00
-
-/* UARTx_GCTL Register */
-#define UCEN 0x01 /* Enable UARTx Clocks */
-#define IREN 0x02 /* Enable IrDA Mode */
-#define TPOLC 0x04 /* IrDA TX Polarity Change */
-#define RPOLC 0x08 /* IrDA RX Polarity Change */
-#define FPE 0x10 /* Force Parity Error On Transmit */
-#define FFE 0x20 /* Force Framing Error On Transmit */
-
-#define FFE_P 0x05
-#define FPE_P 0x04
-#define RPOLC_P 0x03
-#define TPOLC_P 0x02
-#define IREN_P 0x01
-#define UCEN_P 0x00
-
-
/* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */
/* PPI_CONTROL Masks */
#define PORT_EN 0x0001 /* PPI Port Enable */
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 4
+
+#define BFIN_UART_BF54X_STYLE
+
+#endif
* Licensed under the GPL-2 or later.
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER_SET))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase + OFFSET_LSR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-#define UART_GET_MSR(uart) bfin_read16(((uart)->port.membase + OFFSET_MSR))
-#define UART_GET_MCR(uart) bfin_read16(((uart)->port.membase + OFFSET_MCR))
-
-#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
-#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
-#define UART_SET_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER_SET),v)
-#define UART_CLEAR_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER_CLEAR),v)
-#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
-#define UART_PUT_LSR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LSR),v)
-#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
-#define UART_CLEAR_LSR(uart) bfin_write16(((uart)->port.membase + OFFSET_LSR), -1)
-#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
-#define UART_PUT_MCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_MCR),v)
-#define UART_CLEAR_SCTS(uart) bfin_write16(((uart)->port.membase + OFFSET_MSR),SCTS)
-
-#define UART_SET_DLAB(uart) /* MMRs not muxed on BF54x */
-#define UART_CLEAR_DLAB(uart) /* MMRs not muxed on BF54x */
-
-#define UART_GET_CTS(x) (UART_GET_MSR(x) & CTS)
-#define UART_DISABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) & ~(ARTS|MRTS))
-#define UART_ENABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS | ARTS)
-#define UART_ENABLE_INTS(x, v) UART_SET_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_CLEAR_IER(x, 0xF)
-
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) || \
defined(CONFIG_BFIN_UART2_CTSRTS) || defined(CONFIG_BFIN_UART3_CTSRTS)
# define CONFIG_SERIAL_BFIN_HARD_CTSRTS
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
- int scts;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#endif
-#define BFIN_UART_NR_PORTS 4
-
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_GCTL 0x08 /* Global Control Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_IER_SET 0x20 /* Set Interrupt Enable Register */
-#define OFFSET_IER_CLEAR 0x24 /* Clear Interrupt Enable Register */
-#define OFFSET_THR 0x28 /* Transmit Holding register */
-#define OFFSET_RBR 0x2C /* Receive Buffer register */
-
#endif
#define RCVDATA16 0xffff /* Receive FIFO 16-Bit Data */
-/* Bit masks for UARTx_LCR */
-
-#if 0
-/* conflicts with legacy one in last section */
-#define WLS 0x3 /* Word Length Select */
-#endif
-#define STB 0x4 /* Stop Bits */
-#define PEN 0x8 /* Parity Enable */
-#define EPS 0x10 /* Even Parity Select */
-#define STP 0x20 /* Sticky Parity */
-#define SB 0x40 /* Set Break */
-
-/* Bit masks for UARTx_MCR */
-
-#define XOFF 0x1 /* Transmitter Off */
-#define MRTS 0x2 /* Manual Request To Send */
-#define RFIT 0x4 /* Receive FIFO IRQ Threshold */
-#define RFRT 0x8 /* Receive FIFO RTS Threshold */
-#define LOOP_ENA 0x10 /* Loopback Mode Enable */
-#define FCPOL 0x20 /* Flow Control Pin Polarity */
-#define ARTS 0x40 /* Automatic Request To Send */
-#define ACTS 0x80 /* Automatic Clear To Send */
-
-/* Bit masks for UARTx_LSR */
-
-#define DR 0x1 /* Data Ready */
-#define OE 0x2 /* Overrun Error */
-#define PE 0x4 /* Parity Error */
-#define FE 0x8 /* Framing Error */
-#define BI 0x10 /* Break Interrupt */
-#define THRE 0x20 /* THR Empty */
-#define TEMT 0x40 /* Transmitter Empty */
-#define TFI 0x80 /* Transmission Finished Indicator */
-
-/* Bit masks for UARTx_MSR */
-
-#define SCTS 0x1 /* Sticky CTS */
-#define CTS 0x10 /* Clear To Send */
-#define RFCS 0x20 /* Receive FIFO Count Status */
-
-/* Bit masks for UARTx_IER_SET & UARTx_IER_CLEAR */
-
-#define ERBFI 0x1 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x2 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x4 /* Enable Receive Status Interrupt */
-#define EDSSI 0x8 /* Enable Modem Status Interrupt */
-#define EDTPTI 0x10 /* Enable DMA Transmit PIRQ Interrupt */
-#define ETFI 0x20 /* Enable Transmission Finished Interrupt */
-#define ERFCI 0x40 /* Enable Receive FIFO Count Interrupt */
-
-/* Bit masks for UARTx_GCTL */
-
-#define UCEN 0x1 /* UART Enable */
-#define IREN 0x2 /* IrDA Mode Enable */
-#define TPOLC 0x4 /* IrDA TX Polarity Change */
-#define RPOLC 0x8 /* IrDA RX Polarity Change */
-#define FPE 0x10 /* Force Parity Error */
-#define FFE 0x20 /* Force Framing Error */
-#define EDBO 0x40 /* Enable Divide-by-One */
-#define EGLSI 0x80 /* Enable Global LS Interrupt */
-
-
/* ******************************************* */
/* MULTI BIT MACRO ENUMERATIONS */
/* ******************************************* */
#define WDTH_CAP 0x0002
#define EXT_CLK 0x0003
-/* UARTx_LCR bit field options */
-
-#define WLS_5 0x0000 /* 5 data bits */
-#define WLS_6 0x0001 /* 6 data bits */
-#define WLS_7 0x0002 /* 7 data bits */
-#define WLS_8 0x0003 /* 8 data bits */
-
/* PINTx Register Bit Definitions */
#define PIQ0 0x00000001
/* for legacy compatibility */
-#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
-#define W1LMAX_MAX W1LMAX_MIN
#define EBIU_AMCBCTL0 EBIU_AMBCTL0
#define EBIU_AMCBCTL1 EBIU_AMBCTL1
#define PINT0_IRQ PINT0_REQUEST
--- /dev/null
+/*
+ * mach/bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MACH_SERIAL_H__
+#define __BFIN_MACH_SERIAL_H__
+
+#define BFIN_UART_NR_PORTS 1
+
+#endif
* Licensed under the GPL-2 or later.
*/
-#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
-#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
-#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
-#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
-#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
-#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase + OFFSET_IIR))
-#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase + OFFSET_LCR))
-#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase + OFFSET_GCTL))
-
-#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_THR),v)
-#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLL),v)
-#define UART_PUT_IER(uart,v) bfin_write16(((uart)->port.membase + OFFSET_IER),v)
-#define UART_SET_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) | (v))
-#define UART_CLEAR_IER(uart,v) UART_PUT_IER(uart, UART_GET_IER(uart) & ~(v))
-#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase + OFFSET_DLH),v)
-#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase + OFFSET_LCR),v)
-#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase + OFFSET_GCTL),v)
-
-#define UART_SET_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) | DLAB); SSYNC(); } while (0)
-#define UART_CLEAR_DLAB(uart) do { UART_PUT_LCR(uart, UART_GET_LCR(uart) & ~DLAB); SSYNC(); } while (0)
-
-#define UART_GET_CTS(x) gpio_get_value(x->cts_pin)
-#define UART_DISABLE_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_ENABLE_RTS(x) gpio_set_value(x->rts_pin, 0)
-#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
-#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-
#ifdef CONFIG_BFIN_UART0_CTSRTS
# define CONFIG_SERIAL_BFIN_CTSRTS
# ifndef CONFIG_UART0_CTS_PIN
# endif
#endif
-#define BFIN_UART_TX_FIFO_SIZE 2
-
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- int status_irq;
- unsigned int lsr;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- int tx_done;
- int tx_count;
- struct circ_buf rx_dma_buf;
- struct timer_list rx_dma_timer;
- int rx_dma_nrows;
- unsigned int tx_dma_channel;
- unsigned int rx_dma_channel;
- struct work_struct tx_dma_workqueue;
-#else
-# if ANOMALY_05000363
- unsigned int anomaly_threshold;
-# endif
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- struct timer_list cts_timer;
- int cts_pin;
- int rts_pin;
-#endif
-};
-
-/* The hardware clears the LSR bits upon read, so we need to cache
- * some of the more fun bits in software so they don't get lost
- * when checking the LSR in other code paths (TX).
- */
-static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
-{
- unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
- uart->lsr |= (lsr & (BI|FE|PE|OE));
- return lsr | uart->lsr;
-}
-
-static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
-{
- uart->lsr = 0;
- bfin_write16(uart->port.membase + OFFSET_LSR, -1);
-}
-
struct bfin_serial_res {
unsigned long uart_base_addr;
int uart_irq;
};
#define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
#define bfin_read_SICB_ISR(x) bfin_read32(__SIC_MUX(SICB_ISR0, x))
#define bfin_write_SICB_ISR(x, val) bfin_write32(__SIC_MUX(SICB_ISR0, x), val)
-#define BFIN_UART_NR_PORTS 1
-
-#define OFFSET_THR 0x00 /* Transmit Holding register */
-#define OFFSET_RBR 0x00 /* Receive Buffer register */
-#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
-#define OFFSET_IER 0x04 /* Interrupt Enable Register */
-#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
-#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
-#define OFFSET_LCR 0x0C /* Line Control Register */
-#define OFFSET_MCR 0x10 /* Modem Control Register */
-#define OFFSET_LSR 0x14 /* Line Status Register */
-#define OFFSET_MSR 0x18 /* Modem Status Register */
-#define OFFSET_SCR 0x1C /* SCR Scratch Register */
-#define OFFSET_GCTL 0x24 /* Global Control Register */
-
#endif /* _MACH_BLACKFIN_H_ */
#define IWR_ENABLE(x) (1 << (x)) /* Wakeup Enable Peripheral #x */
#define IWR_DISABLE(x) (0xFFFFFFFF ^ (1 << (x))) /* Wakeup Disable Peripheral #x */
-/* ***************************** UART CONTROLLER MASKS ********************** */
-
-/* UART_LCR Register */
-
-#define DLAB 0x80
-#define SB 0x40
-#define STP 0x20
-#define EPS 0x10
-#define PEN 0x08
-#define STB 0x04
-#define WLS(x) ((x-5) & 0x03)
-
-#define DLAB_P 0x07
-#define SB_P 0x06
-#define STP_P 0x05
-#define EPS_P 0x04
-#define PEN_P 0x03
-#define STB_P 0x02
-#define WLS_P1 0x01
-#define WLS_P0 0x00
-
-/* UART_MCR Register */
-#define LOOP_ENA 0x10
-#define LOOP_ENA_P 0x04
-
-/* UART_LSR Register */
-#define TEMT 0x40
-#define THRE 0x20
-#define BI 0x10
-#define FE 0x08
-#define PE 0x04
-#define OE 0x02
-#define DR 0x01
-
-#define TEMP_P 0x06
-#define THRE_P 0x05
-#define BI_P 0x04
-#define FE_P 0x03
-#define PE_P 0x02
-#define OE_P 0x01
-#define DR_P 0x00
-
-/* UART_IER Register */
-#define ELSI 0x04
-#define ETBEI 0x02
-#define ERBFI 0x01
-
-#define ELSI_P 0x02
-#define ETBEI_P 0x01
-#define ERBFI_P 0x00
-
-/* UART_IIR Register */
-#define STATUS(x) ((x << 1) & 0x06)
-#define NINT 0x01
-#define STATUS_P1 0x02
-#define STATUS_P0 0x01
-#define NINT_P 0x00
-#define IIR_TX_READY 0x02 /* UART_THR empty */
-#define IIR_RX_READY 0x04 /* Receive data ready */
-#define IIR_LINE_CHANGE 0x06 /* Receive line status */
-#define IIR_STATUS 0x06
-
-/* UART_GCTL Register */
-#define FFE 0x20
-#define FPE 0x10
-#define RPOLC 0x08
-#define TPOLC 0x04
-#define IREN 0x02
-#define UCEN 0x01
-
-#define FFE_P 0x05
-#define FPE_P 0x04
-#define RPOLC_P 0x03
-#define TPOLC_P 0x02
-#define IREN_P 0x01
-#define UCEN_P 0x00
-
/* ********* PARALLEL PERIPHERAL INTERFACE (PPI) MASKS **************** */
/* PPI_CONTROL Masks */
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