ba9ef6afc4
All supported uarts use the same address: IQ80321_UART and IQ31244_UART are both defined to the default value of 0xfe800000. By using that as the address unconditionally, all dependencies on other machine headers can be avoided. Link: https://lore.kernel.org/r/20190809163334.489360-6-arnd@arndb.de Signed-off-by: Arnd Bergmann <arnd@arndb.de>
26 lines
484 B
C
26 lines
484 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* arch/arm/mach-iop32x/include/mach/uncompress.h
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*/
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#include <asm/types.h>
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#include <asm/mach-types.h>
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#include <linux/serial_reg.h>
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#define uart_base ((volatile u8 *)0xfe800000)
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#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE)
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static inline void putc(char c)
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{
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while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
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barrier();
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uart_base[UART_TX] = c;
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}
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static inline void flush(void)
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{
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}
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#define arch_decomp_setup() do { } while (0)
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