2071f149e5
We sometimes have to implement different code depending on the SoC revision. This commit adds functions to get the model/revision number. Note: Model number: incremented on major changes of the SoC Revision number: incremented on minor changes of the SoC The "Model 2" exists for PH1-sLD3, ProXstream2/PH1-LD6b. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
/*
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* Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <linux/io.h>
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#include <linux/types.h>
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#include <mach/sg-regs.h>
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#include <mach/soc_info.h>
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#if UNIPHIER_MULTI_SOC
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enum uniphier_soc_id uniphier_get_soc_type(void)
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{
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u32 revision = readl(SG_REVISION);
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enum uniphier_soc_id ret;
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switch ((revision & SG_REVISION_TYPE_MASK) >> SG_REVISION_TYPE_SHIFT) {
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_SLD3
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case 0x25:
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ret = SOC_UNIPHIER_PH1_SLD3;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_LD4
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case 0x26:
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ret = SOC_UNIPHIER_PH1_LD4;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_PRO4
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case 0x28:
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ret = SOC_UNIPHIER_PH1_PRO4;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_SLD8
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case 0x29:
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ret = SOC_UNIPHIER_PH1_SLD8;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_PRO5
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case 0x2A:
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ret = SOC_UNIPHIER_PH1_PRO5;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PROXSTREAM2
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case 0x2E:
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ret = SOC_UNIPHIER_PROXSTREAM2;
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break;
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#endif
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#ifdef CONFIG_ARCH_UNIPHIER_PH1_LD6B
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case 0x2F:
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ret = SOC_UNIPHIER_PH1_LD6B;
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break;
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#endif
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default:
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ret = SOC_UNIPHIER_UNKNOWN;
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break;
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}
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return ret;
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}
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#endif
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int uniphier_get_soc_model(void)
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{
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return (readl(SG_REVISION) & SG_REVISION_MODEL_MASK) >>
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SG_REVISION_MODEL_SHIFT;
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}
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int uniphier_get_soc_revision(void)
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{
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return (readl(SG_REVISION) & SG_REVISION_REV_MASK) >>
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SG_REVISION_REV_SHIFT;
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}
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