Jetpack/u-boot/arch/arm/mach-uniphier/soc_info.c

85 lines
1.5 KiB
C

/*
* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/io.h>
#include <linux/types.h>
#include "sg-regs.h"
#include "soc-info.h"
#if UNIPHIER_MULTI_SOC
enum uniphier_soc_id uniphier_get_soc_type(void)
{
u32 revision = readl(SG_REVISION);
enum uniphier_soc_id ret;
switch ((revision & SG_REVISION_TYPE_MASK) >> SG_REVISION_TYPE_SHIFT) {
#ifdef CONFIG_ARCH_UNIPHIER_SLD3
case 0x25:
ret = SOC_UNIPHIER_SLD3;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_LD4
case 0x26:
ret = SOC_UNIPHIER_LD4;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_PRO4
case 0x28:
ret = SOC_UNIPHIER_PRO4;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_SLD8
case 0x29:
ret = SOC_UNIPHIER_SLD8;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_PRO5
case 0x2A:
ret = SOC_UNIPHIER_PRO5;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_PXS2
case 0x2E:
ret = SOC_UNIPHIER_PXS2;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_LD6B
case 0x2F:
ret = SOC_UNIPHIER_LD6B;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_LD11
case 0x31:
ret = SOC_UNIPHIER_LD11;
break;
#endif
#ifdef CONFIG_ARCH_UNIPHIER_LD20
case 0x32:
ret = SOC_UNIPHIER_LD20;
break;
#endif
default:
ret = SOC_UNIPHIER_UNKNOWN;
break;
}
return ret;
}
#endif
int uniphier_get_soc_model(void)
{
return (readl(SG_REVISION) & SG_REVISION_MODEL_MASK) >>
SG_REVISION_MODEL_SHIFT;
}
int uniphier_get_soc_revision(void)
{
return (readl(SG_REVISION) & SG_REVISION_REV_MASK) >>
SG_REVISION_REV_SHIFT;
}