mirror of https://gitee.com/openkylin/linux.git
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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/*
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* arch/ppc/platforms/4xx/virtex-ii_pro.h
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*
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* Include file that defines the Xilinx Virtex-II Pro processor
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*
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* Author: MontaVista Software, Inc.
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* source@mvista.com
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*
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* 2002-2004 (c) MontaVista Software, Inc. This file is licensed under the
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* terms of the GNU General Public License version 2. This program is licensed
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* "as is" without any warranty of any kind, whether express or implied.
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*/
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#ifdef __KERNEL__
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#ifndef __ASM_VIRTEXIIPRO_H__
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#define __ASM_VIRTEXIIPRO_H__
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#include <linux/config.h>
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#include <asm/xparameters.h>
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/* serial defines */
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#define RS_TABLE_SIZE 4 /* change this and add more devices below
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if you have more then 4 16x50 UARTs */
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#define BASE_BAUD (XPAR_UARTNS550_0_CLOCK_FREQ_HZ/16)
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/* The serial ports in the Virtex-II Pro have each I/O byte in the
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* LSByte of a word. This means that iomem_reg_shift needs to be 2 to
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* change the byte offsets into word offsets. In addition the base
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* addresses need to have 3 added to them to get to the LSByte.
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*/
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#define STD_UART_OP(num) \
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{ 0, BASE_BAUD, 0, XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \
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ASYNC_BOOT_AUTOCONF, \
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.iomem_base = (u8 *)XPAR_UARTNS550_##num##_BASEADDR + 3, \
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.iomem_reg_shift = 2, \
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.io_type = SERIAL_IO_MEM},
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#if defined(XPAR_INTC_0_UARTNS550_0_VEC_ID)
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#define ML300_UART0 STD_UART_OP(0)
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#else
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#define ML300_UART0
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#endif
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#if defined(XPAR_INTC_0_UARTNS550_1_VEC_ID)
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#define ML300_UART1 STD_UART_OP(1)
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#else
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#define ML300_UART1
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#endif
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#if defined(XPAR_INTC_0_UARTNS550_2_VEC_ID)
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#define ML300_UART2 STD_UART_OP(2)
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#else
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#define ML300_UART2
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#endif
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#if defined(XPAR_INTC_0_UARTNS550_3_VEC_ID)
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#define ML300_UART3 STD_UART_OP(3)
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#else
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#define ML300_UART3
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#endif
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#if defined(XPAR_INTC_0_UARTNS550_4_VEC_ID)
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#error Edit this file to add more devices.
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#elif defined(XPAR_INTC_0_UARTNS550_3_VEC_ID)
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#define NR_SER_PORTS 4
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#elif defined(XPAR_INTC_0_UARTNS550_2_VEC_ID)
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#define NR_SER_PORTS 3
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#elif defined(XPAR_INTC_0_UARTNS550_1_VEC_ID)
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#define NR_SER_PORTS 2
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#elif defined(XPAR_INTC_0_UARTNS550_0_VEC_ID)
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#define NR_SER_PORTS 1
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#else
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#define NR_SER_PORTS 0
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#endif
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#if defined(CONFIG_UART0_TTYS0)
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#define SERIAL_PORT_DFNS \
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ML300_UART0 \
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ML300_UART1 \
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ML300_UART2 \
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ML300_UART3
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#endif
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#if defined(CONFIG_UART0_TTYS1)
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#define SERIAL_PORT_DFNS \
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ML300_UART1 \
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ML300_UART0 \
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ML300_UART2 \
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ML300_UART3
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#endif
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#define DCRN_CPMFR_BASE 0
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#include <asm/ibm405.h>
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#endif /* __ASM_VIRTEXIIPRO_H__ */
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#endif /* __KERNEL__ */
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