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Diffstat (limited to 'include/asm-blackfin/mach-bf537/bfin_serial_5xx.h')
-rw-r--r--include/asm-blackfin/mach-bf537/bfin_serial_5xx.h195
1 files changed, 0 insertions, 195 deletions
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
deleted file mode 100644
index 1bf56ffa22f..00000000000
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * file: include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
- * based on:
- * author:
- *
- * created:
- * description:
- * blackfin serial driver header files
- * rev:
- *
- * modified:
- *
- *
- * bugs: enter bugs at http://blackfin.uclinux.org/
- *
- * this program is free software; you can redistribute it and/or modify
- * it under the terms of the gnu general public license as published by
- * the free software foundation; either version 2, or (at your option)
- * any later version.
- *
- * this program is distributed in the hope that it will be useful,
- * but without any warranty; without even the implied warranty of
- * merchantability or fitness for a particular purpose. see the
- * gnu general public license for more details.
- *
- * you should have received a copy of the gnu general public license
- * along with this program; see the file copying.
- * if not, write to the free software foundation,
- * 59 temple place - suite 330, boston, ma 02111-1307, usa.
- */
-
-#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_SET_RTS(x) gpio_set_value(x->rts_pin, 1)
-#define UART_CLEAR_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
-
-# ifndef CONFIG_UART0_CTS_PIN
-# define CONFIG_UART0_CTS_PIN -1
-# endif
-
-# ifndef CONFIG_UART0_RTS_PIN
-# define CONFIG_UART0_RTS_PIN -1
-# endif
-
-# ifndef CONFIG_UART1_CTS_PIN
-# define CONFIG_UART1_CTS_PIN -1
-# endif
-
-# ifndef CONFIG_UART1_RTS_PIN
-# define CONFIG_UART1_RTS_PIN -1
-# endif
-#endif
-/*
- * The pin configuration is different from schematic
- */
-struct bfin_serial_port {
- struct uart_port port;
- unsigned int old_status;
- 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_port bfin_serial_ports[BFIN_UART_NR_PORTS];
-struct bfin_serial_res {
- unsigned long uart_base_addr;
- int uart_irq;
-#ifdef CONFIG_SERIAL_BFIN_DMA
- unsigned int uart_tx_dma_channel;
- unsigned int uart_rx_dma_channel;
-#endif
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- int uart_cts_pin;
- int uart_rts_pin;
-#endif
-};
-
-struct bfin_serial_res bfin_serial_resource[] = {
-#ifdef CONFIG_SERIAL_BFIN_UART0
- {
- 0xFFC00400,
- IRQ_UART0_RX,
-#ifdef CONFIG_SERIAL_BFIN_DMA
- CH_UART0_TX,
- CH_UART0_RX,
-#endif
-#ifdef CONFIG_BFIN_UART0_CTSRTS
- CONFIG_UART0_CTS_PIN,
- CONFIG_UART0_RTS_PIN,
-#endif
- },
-#endif
-#ifdef CONFIG_SERIAL_BFIN_UART1
- {
- 0xFFC02000,
- IRQ_UART1_RX,
-#ifdef CONFIG_SERIAL_BFIN_DMA
- CH_UART1_TX,
- CH_UART1_RX,
-#endif
-#ifdef CONFIG_BFIN_UART1_CTSRTS
- CONFIG_UART1_CTS_PIN,
- CONFIG_UART1_RTS_PIN,
-#endif
- },
-#endif
-};
-
-int nr_ports = ARRAY_SIZE(bfin_serial_resource);
-
-#define DRIVER_NAME "bfin-uart"
-
-static void bfin_serial_hw_init(struct bfin_serial_port *uart)
-{
-
-#ifdef CONFIG_SERIAL_BFIN_UART0
- peripheral_request(P_UART0_TX, DRIVER_NAME);
- peripheral_request(P_UART0_RX, DRIVER_NAME);
-#endif
-
-#ifdef CONFIG_SERIAL_BFIN_UART1
- peripheral_request(P_UART1_TX, DRIVER_NAME);
- peripheral_request(P_UART1_RX, DRIVER_NAME);
-#endif
-
-#ifdef CONFIG_SERIAL_BFIN_CTSRTS
- if (uart->cts_pin >= 0) {
- gpio_request(uart->cts_pin, DRIVER_NAME);
- gpio_direction_input(uart->cts_pin);
- }
-
- if (uart->rts_pin >= 0) {
- gpio_request(uart->rts_pin, DRIVER_NAME);
- gpio_direction_output(uart->rts_pin, 0);
- }
-#endif
-}
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