diff options
Diffstat (limited to 'include/asm-blackfin/mach-bf548/bfin_serial_5xx.h')
| -rw-r--r-- | include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h deleted file mode 100644 index 5e29446a8e0..00000000000 --- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h +++ /dev/null @@ -1,220 +0,0 @@ -/* - * file: include/asm-blackfin/mach-bf548/bfin_serial_5xx.h - * based on: - * author: - * - * created: - * description: - * blackfin serial driver head file - * 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_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_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_SET_RTS(x) (UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS)) -#define UART_CLEAR_RTS(x) (UART_PUT_MCR(x, UART_GET_MCR(x) & ~MRTS)) -#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) -# 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; -#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 -}; - -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 - }, -#endif -#ifdef CONFIG_SERIAL_BFIN_UART2 - { - 0xFFC02100, - IRQ_UART2_RX, -#ifdef CONFIG_SERIAL_BFIN_DMA - CH_UART2_TX, - CH_UART2_RX, -#endif -#ifdef CONFIG_BFIN_UART2_CTSRTS - CONFIG_UART2_CTS_PIN, - CONFIG_UART2_RTS_PIN, -#endif - }, -#endif -#ifdef CONFIG_SERIAL_BFIN_UART3 - { - 0xFFC03100, - IRQ_UART3_RX, -#ifdef CONFIG_SERIAL_BFIN_DMA - CH_UART3_TX, - CH_UART3_RX, -#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); - -#ifdef CONFIG_BFIN_UART1_CTSRTS - peripheral_request(P_UART1_RTS, DRIVER_NAME); - peripheral_request(P_UART1_CTS, DRIVER_NAME); -#endif -#endif - -#ifdef CONFIG_SERIAL_BFIN_UART2 - peripheral_request(P_UART2_TX, DRIVER_NAME); - peripheral_request(P_UART2_RX, DRIVER_NAME); -#endif - -#ifdef CONFIG_SERIAL_BFIN_UART3 - peripheral_request(P_UART3_TX, DRIVER_NAME); - peripheral_request(P_UART3_RX, DRIVER_NAME); - -#ifdef CONFIG_BFIN_UART3_CTSRTS - peripheral_request(P_UART3_RTS, DRIVER_NAME); - peripheral_request(P_UART3_CTS, DRIVER_NAME); -#endif -#endif - SSYNC(); -#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 -} |