38 lines
745 B
C
38 lines
745 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arch/arm/mach-iop33x/include/mach/uncompress.h
|
|
*/
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/mach-types.h>
|
|
#include <linux/serial_reg.h>
|
|
#include <mach/hardware.h>
|
|
|
|
volatile u32 *uart_base;
|
|
|
|
#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE)
|
|
|
|
static inline void putc(char c)
|
|
{
|
|
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
|
|
barrier();
|
|
uart_base[UART_TX] = c;
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
}
|
|
|
|
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
|
|
{
|
|
if (machine_is_iq80331() || machine_is_iq80332())
|
|
uart_base = (volatile u32 *)IOP33X_UART0_PHYS;
|
|
else
|
|
uart_base = (volatile u32 *)0xfe800000;
|
|
}
|
|
|
|
/*
|
|
* nothing to do
|
|
*/
|
|
#define arch_decomp_setup() __arch_decomp_setup(arch_id)
|