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-rw-r--r--include/linux/soc/pxa/cpu.h252
1 files changed, 252 insertions, 0 deletions
diff --git a/include/linux/soc/pxa/cpu.h b/include/linux/soc/pxa/cpu.h
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+++ b/include/linux/soc/pxa/cpu.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Author: Nicolas Pitre
+ * Created: Jun 15, 2001
+ * Copyright: MontaVista Software Inc.
+ */
+
+#ifndef __SOC_PXA_CPU_H
+#define __SOC_PXA_CPU_H
+
+#ifdef CONFIG_ARM
+#include <asm/cputype.h>
+#endif
+
+/*
+ * CPU Stepping CPU_ID JTAG_ID
+ *
+ * PXA210 B0 0x69052922 0x2926C013
+ * PXA210 B1 0x69052923 0x3926C013
+ * PXA210 B2 0x69052924 0x4926C013
+ * PXA210 C0 0x69052D25 0x5926C013
+ *
+ * PXA250 A0 0x69052100 0x09264013
+ * PXA250 A1 0x69052101 0x19264013
+ * PXA250 B0 0x69052902 0x29264013
+ * PXA250 B1 0x69052903 0x39264013
+ * PXA250 B2 0x69052904 0x49264013
+ * PXA250 C0 0x69052D05 0x59264013
+ *
+ * PXA255 A0 0x69052D06 0x69264013
+ *
+ * PXA26x A0 0x69052903 0x39264013
+ * PXA26x B0 0x69052D05 0x59264013
+ *
+ * PXA27x A0 0x69054110 0x09265013
+ * PXA27x A1 0x69054111 0x19265013
+ * PXA27x B0 0x69054112 0x29265013
+ * PXA27x B1 0x69054113 0x39265013
+ * PXA27x C0 0x69054114 0x49265013
+ * PXA27x C5 0x69054117 0x79265013
+ *
+ * PXA30x A0 0x69056880 0x0E648013
+ * PXA30x A1 0x69056881 0x1E648013
+ * PXA31x A0 0x69056890 0x0E649013
+ * PXA31x A1 0x69056891 0x1E649013
+ * PXA31x A2 0x69056892 0x2E649013
+ * PXA32x B1 0x69056825 0x5E642013
+ * PXA32x B2 0x69056826 0x6E642013
+ *
+ * PXA930 B0 0x69056835 0x5E643013
+ * PXA930 B1 0x69056837 0x7E643013
+ * PXA930 B2 0x69056838 0x8E643013
+ *
+ * PXA935 A0 0x56056931 0x1E653013
+ * PXA935 B0 0x56056936 0x6E653013
+ * PXA935 B1 0x56056938 0x8E653013
+ */
+#ifdef CONFIG_PXA25x
+#define __cpu_is_pxa210(id) \
+ ({ \
+ unsigned int _id = (id) & 0xf3f0; \
+ _id == 0x2120; \
+ })
+
+#define __cpu_is_pxa250(id) \
+ ({ \
+ unsigned int _id = (id) & 0xf3ff; \
+ _id <= 0x2105; \
+ })
+
+#define __cpu_is_pxa255(id) \
+ ({ \
+ unsigned int _id = (id) & 0xffff; \
+ _id == 0x2d06; \
+ })
+
+#define __cpu_is_pxa25x(id) \
+ ({ \
+ unsigned int _id = (id) & 0xf300; \
+ _id == 0x2100; \
+ })
+#else
+#define __cpu_is_pxa210(id) (0)
+#define __cpu_is_pxa250(id) (0)
+#define __cpu_is_pxa255(id) (0)
+#define __cpu_is_pxa25x(id) (0)
+#endif
+
+#ifdef CONFIG_PXA27x
+#define __cpu_is_pxa27x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x411; \
+ })
+#else
+#define __cpu_is_pxa27x(id) (0)
+#endif
+
+#ifdef CONFIG_CPU_PXA300
+#define __cpu_is_pxa300(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x688; \
+ })
+#else
+#define __cpu_is_pxa300(id) (0)
+#endif
+
+#ifdef CONFIG_CPU_PXA310
+#define __cpu_is_pxa310(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x689; \
+ })
+#else
+#define __cpu_is_pxa310(id) (0)
+#endif
+
+#ifdef CONFIG_CPU_PXA320
+#define __cpu_is_pxa320(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x603 || _id == 0x682; \
+ })
+#else
+#define __cpu_is_pxa320(id) (0)
+#endif
+
+#ifdef CONFIG_CPU_PXA930
+#define __cpu_is_pxa930(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x683; \
+ })
+#else
+#define __cpu_is_pxa930(id) (0)
+#endif
+
+#ifdef CONFIG_CPU_PXA935
+#define __cpu_is_pxa935(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x693; \
+ })
+#else
+#define __cpu_is_pxa935(id) (0)
+#endif
+
+#define cpu_is_pxa210() \
+ ({ \
+ __cpu_is_pxa210(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa250() \
+ ({ \
+ __cpu_is_pxa250(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa255() \
+ ({ \
+ __cpu_is_pxa255(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa25x() \
+ ({ \
+ __cpu_is_pxa25x(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa27x() \
+ ({ \
+ __cpu_is_pxa27x(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa300() \
+ ({ \
+ __cpu_is_pxa300(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa310() \
+ ({ \
+ __cpu_is_pxa310(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa320() \
+ ({ \
+ __cpu_is_pxa320(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa930() \
+ ({ \
+ __cpu_is_pxa930(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa935() \
+ ({ \
+ __cpu_is_pxa935(read_cpuid_id()); \
+ })
+
+
+
+/*
+ * CPUID Core Generation Bit
+ * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
+ */
+#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
+#define __cpu_is_pxa2xx(id) \
+ ({ \
+ unsigned int _id = (id) >> 13 & 0x7; \
+ _id <= 0x2; \
+ })
+#else
+#define __cpu_is_pxa2xx(id) (0)
+#endif
+
+#ifdef CONFIG_PXA3xx
+#define __cpu_is_pxa3xx(id) \
+ ({ \
+ __cpu_is_pxa300(id) \
+ || __cpu_is_pxa310(id) \
+ || __cpu_is_pxa320(id) \
+ || __cpu_is_pxa93x(id); \
+ })
+#else
+#define __cpu_is_pxa3xx(id) (0)
+#endif
+
+#if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935)
+#define __cpu_is_pxa93x(id) \
+ ({ \
+ __cpu_is_pxa930(id) \
+ || __cpu_is_pxa935(id); \
+ })
+#else
+#define __cpu_is_pxa93x(id) (0)
+#endif
+
+#define cpu_is_pxa2xx() \
+ ({ \
+ __cpu_is_pxa2xx(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa3xx() \
+ ({ \
+ __cpu_is_pxa3xx(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa93x() \
+ ({ \
+ __cpu_is_pxa93x(read_cpuid_id()); \
+ })
+
+#endif