[people/ms/u-boot.git] / arch / arm / mach-rmobile / cpu_info.c

/*
 * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
 * (C) Copyright 2012 Renesas Solutions Corp.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <asm/io.h>

#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
	icache_enable();
	return 0;
}
#endif

#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
#if defined(CONFIG_RCAR_GEN3)
	rcar_gen3_memmap_fixup();
#endif
	dcache_enable();
}
#endif

#ifdef CONFIG_DISPLAY_CPUINFO
static u32 __rmobile_get_cpu_type(void)
{
	return 0x0;
}
u32 rmobile_get_cpu_type(void)
		__attribute__((weak, alias("__rmobile_get_cpu_type")));

static u32 __rmobile_get_cpu_rev_integer(void)
{
	return 0;
}
u32 rmobile_get_cpu_rev_integer(void)
		__attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));

static u32 __rmobile_get_cpu_rev_fraction(void)
{
	return 0;
}
u32 rmobile_get_cpu_rev_fraction(void)
		__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));

/* CPU infomation table */
static const struct {
	u16 cpu_type;
	u8 cpu_name[10];
} rmobile_cpuinfo[] = {
	{ RMOBILE_CPU_TYPE_SH73A0, "SH73A0" },
	{ RMOBILE_CPU_TYPE_R8A7740, "R8A7740" },
	{ RMOBILE_CPU_TYPE_R8A7790, "R8A7790" },
	{ RMOBILE_CPU_TYPE_R8A7791, "R8A7791" },
	{ RMOBILE_CPU_TYPE_R8A7792, "R8A7792" },
	{ RMOBILE_CPU_TYPE_R8A7793, "R8A7793" },
	{ RMOBILE_CPU_TYPE_R8A7794, "R8A7794" },
	{ RMOBILE_CPU_TYPE_R8A7795, "R8A7795" },
	{ RMOBILE_CPU_TYPE_R8A7796, "R8A7796" },
	{ RMOBILE_CPU_TYPE_R8A77970, "R8A77970" },
	{ RMOBILE_CPU_TYPE_R8A77995, "R8A77995" },
	{ 0x0, "CPU" },
};

int print_cpuinfo(void)
{
	int i = 0;
	u32 cpu_type = rmobile_get_cpu_type();
	for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
		if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
			printf("CPU: Renesas Electronics %s rev %d.%d\n",
			       rmobile_cpuinfo[i].cpu_name,
			       rmobile_get_cpu_rev_integer(),
			       rmobile_get_cpu_rev_fraction());
			break;
		}
	}
	return 0;
}
#endif /* CONFIG_DISPLAY_CPUINFO */
Commit	Line	Data
4fb44e22 NI	1	/*
	2	* (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
	3	* (C) Copyright 2012 Renesas Solutions Corp.
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
4fb44e22 NI	6	*/
	7	#include <common.h>
	8	#include <asm/io.h>
4fb44e22 NI	9
	10	#ifdef CONFIG_ARCH_CPU_INIT
	11	int arch_cpu_init(void)
	12	{
	13	icache_enable();
	14	return 0;
	15	}
	16	#endif
	17
	18	#ifndef CONFIG_SYS_DCACHE_OFF
	19	void enable_caches(void)
	20	{
a523af69 MV	21	#if defined(CONFIG_RCAR_GEN3)
	22	rcar_gen3_memmap_fixup();
	23	#endif
4fb44e22 NI	24	dcache_enable();
	25	}
	26	#endif
	27
	28	#ifdef CONFIG_DISPLAY_CPUINFO
1cdf2482	29	static u32 __rmobile_get_cpu_type(void)
4fb44e22	30	{
1cdf2482	31	return 0x0;
4fb44e22	32	}
1cdf2482 NI	33	u32 rmobile_get_cpu_type(void)
1cdf2482 NI	34	__attribute__((weak, alias("__rmobile_get_cpu_type")));
4fb44e22	35
4f007b83	36	static u32 __rmobile_get_cpu_rev_integer(void)
4fb44e22	37	{
1cdf2482	38	return 0;
4fb44e22	39	}
4f007b83 TK	40	u32 rmobile_get_cpu_rev_integer(void)
	41	__attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));
	42
	43	static u32 __rmobile_get_cpu_rev_fraction(void)
	44	{
	45	return 0;
	46	}
	47	u32 rmobile_get_cpu_rev_fraction(void)
	48	__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
4fb44e22	49
73ff6801 NI	50	/* CPU infomation table */
	51	static const struct {
	52	u16 cpu_type;
	53	u8 cpu_name[10];
	54	} rmobile_cpuinfo[] = {
262e9156 MV	55	{ RMOBILE_CPU_TYPE_SH73A0, "SH73A0" },
	56	{ RMOBILE_CPU_TYPE_R8A7740, "R8A7740" },
	57	{ RMOBILE_CPU_TYPE_R8A7790, "R8A7790" },
	58	{ RMOBILE_CPU_TYPE_R8A7791, "R8A7791" },
	59	{ RMOBILE_CPU_TYPE_R8A7792, "R8A7792" },
	60	{ RMOBILE_CPU_TYPE_R8A7793, "R8A7793" },
	61	{ RMOBILE_CPU_TYPE_R8A7794, "R8A7794" },
	62	{ RMOBILE_CPU_TYPE_R8A7795, "R8A7795" },
	63	{ RMOBILE_CPU_TYPE_R8A7796, "R8A7796" },
5cb19e7a	64	{ RMOBILE_CPU_TYPE_R8A77970, "R8A77970" },
1154541a	65	{ RMOBILE_CPU_TYPE_R8A77995, "R8A77995" },
73ff6801 NI	66	{ 0x0, "CPU" },
	67	};
	68
4fb44e22 NI	69	int print_cpuinfo(void)
4fb44e22 NI	70	{
73ff6801 NI	71	int i = 0;
	72	u32 cpu_type = rmobile_get_cpu_type();
	73	for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
	74	if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
	75	printf("CPU: Renesas Electronics %s rev %d.%d\n",
	76	rmobile_cpuinfo[i].cpu_name,
	77	rmobile_get_cpu_rev_integer(),
	78	rmobile_get_cpu_rev_fraction());
	79	break;
	80	}
4fb44e22 NI	81	}
	82	return 0;
	83	}
1cdf2482	84	#endif /* CONFIG_DISPLAY_CPUINFO */