Blackfin: bfin_serial.h: unify heavily duplicated serial code

Each Blackfin port has been duplicating UART structures and defines when
there really is no need for it.  So start a new bfin_serial.h header to
unify all these pieces and give ourselves a fresh start.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

4 files changed, 18 insertions, 144 deletions

diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial.h
new file mode 100644
index 000000000000..a77109f99720
--- /dev/null
+++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial.h
@@ -0,0 +1,16 @@
+/*
+ * 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
diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
index dd44aa75fe72..0d94edaaaa2e 100644
--- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h
@@ -4,72 +4,14 @@
  * 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;
@@ -148,3 +90,5 @@ struct bfin_serial_res bfin_serial_resource[] = {
 };
 
 #define DRIVER_NAME "bfin-uart"
+
+#include <asm/bfin_serial.h>
diff --git a/arch/blackfin/mach-bf548/include/mach/blackfin.h b/arch/blackfin/mach-bf548/include/mach/blackfin.h
index 5684030ccc21..bbdcde48d050 100644
--- a/arch/blackfin/mach-bf548/include/mach/blackfin.h
+++ b/arch/blackfin/mach-bf548/include/mach/blackfin.h
@@ -49,19 +49,4 @@
 
 #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
diff --git a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
index 78f91103f175..3d751f134b7e 100644
--- a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
+++ b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h
@@ -2172,68 +2172,6 @@
 
 #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            */
 /* ******************************************* */
@@ -2251,13 +2189,6 @@
 #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
@@ -2706,8 +2637,6 @@ PORTJ_FER registers
 
 /* 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