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/* SPDX-License-Identifier: GPL-2.0-only */
/* SPDX-FileCopyrightText: 2014 Antony Pavlov <antonynpavlov@gmail.com> */
/** @file
* This File contains declaration for early output support
*/
#ifndef __INCLUDE_ARCH_DEBUG_LL_H__
#define __INCLUDE_ARCH_DEBUG_LL_H__
#include <asm/io.h>
#include <mach/serial.h>
#define DEBUG_LL_UART_ADDR DAVINCI_UART0_BASE
#define DEBUG_LL_UART_RSHFT 2
#define rbr (0 << DEBUG_LL_UART_RSHFT)
#define lsr (5 << DEBUG_LL_UART_RSHFT)
#define LSR_THRE 0x20 /* Xmit holding register empty */
static inline void PUTC_LL(char ch)
{
while (!(__raw_readb(DEBUG_LL_UART_ADDR + lsr) & LSR_THRE))
;
__raw_writeb(ch, DEBUG_LL_UART_ADDR + rbr);
}
#endif /* __INCLUDE_ARCH_DEBUG_LL_H__ */
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