72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
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/*
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* Platform information definitions for the CPM Uart driver.
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*
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* 2006 (c) MontaVista Software, Inc.
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* Vitaly Bordug <vbordug@ru.mvista.com>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef FS_UART_PD_H
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#define FS_UART_PD_H
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#include <asm/types.h>
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enum fs_uart_id {
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fsid_smc1_uart,
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fsid_smc2_uart,
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fsid_scc1_uart,
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fsid_scc2_uart,
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fsid_scc3_uart,
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fsid_scc4_uart,
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fs_uart_nr,
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};
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static inline int fs_uart_id_scc2fsid(int id)
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{
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return fsid_scc1_uart + id - 1;
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}
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static inline int fs_uart_id_fsid2scc(int id)
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{
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return id - fsid_scc1_uart + 1;
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}
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static inline int fs_uart_id_smc2fsid(int id)
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{
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return fsid_smc1_uart + id - 1;
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}
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static inline int fs_uart_id_fsid2smc(int id)
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{
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return id - fsid_smc1_uart + 1;
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}
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struct fs_uart_platform_info {
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void(*init_ioports)(struct fs_uart_platform_info *);
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/* device specific information */
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int fs_no; /* controller index */
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char fs_type[4]; /* controller type */
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u32 uart_clk;
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u8 tx_num_fifo;
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u8 tx_buf_size;
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u8 rx_num_fifo;
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u8 rx_buf_size;
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u8 brg;
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u8 clk_rx;
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u8 clk_tx;
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};
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static inline int fs_uart_get_id(struct fs_uart_platform_info *fpi)
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{
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if(strstr(fpi->fs_type, "SMC"))
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return fs_uart_id_smc2fsid(fpi->fs_no);
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if(strstr(fpi->fs_type, "SCC"))
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return fs_uart_id_scc2fsid(fpi->fs_no);
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return fpi->fs_no;
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}
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#endif
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