86 lines
1.2 KiB
C
86 lines
1.2 KiB
C
/*
|
|
* Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
|
|
* Copyright (C) 2008 Renesas Solutions Corp.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
|
|
#define STBCR4 0xFFFE040C
|
|
#define cmt_clock_enable() do {\
|
|
writeb(readb(STBCR4) & ~0x04, STBCR4);\
|
|
} while (0)
|
|
#define scif0_enable() do {\
|
|
writeb(readb(STBCR4) & ~0x80, STBCR4);\
|
|
} while (0)
|
|
#define scif3_enable() do {\
|
|
writeb(readb(STBCR4) & ~0x10, STBCR4);\
|
|
} while (0)
|
|
|
|
int checkcpu(void)
|
|
{
|
|
puts("CPU: SH2\n");
|
|
return 0;
|
|
}
|
|
|
|
int cpu_init(void)
|
|
{
|
|
/* SCIF enable */
|
|
#if defined(CONFIG_CONS_SCIF3)
|
|
scif3_enable();
|
|
#else
|
|
scif0_enable();
|
|
#endif
|
|
/* CMT clock enable */
|
|
cmt_clock_enable() ;
|
|
return 0;
|
|
}
|
|
|
|
int cleanup_before_linux(void)
|
|
{
|
|
disable_interrupts();
|
|
return 0;
|
|
}
|
|
|
|
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
disable_interrupts();
|
|
reset_cpu(0);
|
|
return 0;
|
|
}
|
|
|
|
void flush_cache(unsigned long addr, unsigned long size)
|
|
{
|
|
|
|
}
|
|
|
|
void icache_enable(void)
|
|
{
|
|
}
|
|
|
|
void icache_disable(void)
|
|
{
|
|
}
|
|
|
|
int icache_status(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void dcache_enable(void)
|
|
{
|
|
}
|
|
|
|
void dcache_disable(void)
|
|
{
|
|
}
|
|
|
|
int dcache_status(void)
|
|
{
|
|
return 0;
|
|
}
|