37 lines
820 B
C
37 lines
820 B
C
#include <common.h>
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#include <asm/io.h>
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/**
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* @brief Uart port register read function for OMAP3
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*
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* @param base base address of UART
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* @param reg_idx register index
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*
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* @return character read from register
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*/
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unsigned int omap_uart_read(unsigned long base, unsigned char reg_idx)
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{
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unsigned int *reg_addr = (unsigned int *)base;
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reg_addr += reg_idx;
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return readb(reg_addr);
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}
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EXPORT_SYMBOL(omap_uart_read);
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/**
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* @brief Uart port register write function for OMAP3
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*
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* @param val value to write
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* @param base base address of UART
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* @param reg_idx register index
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*
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* @return void
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*/
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void omap_uart_write(unsigned int val, unsigned long base,
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unsigned char reg_idx)
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{
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unsigned int *reg_addr = (unsigned int *)base;
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reg_addr += reg_idx;
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writeb(val, reg_addr);
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}
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EXPORT_SYMBOL(omap_uart_write);
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