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ARM: mmp: move cputype.h to include/linux/soc/

Let's move cputype.h away from mach-mmp/ so that the drivers outside that directory are able to tell the precise silicon revision. The MMP3 USB OTG PHY driver needs this.

Lubomir Rintel committed 7 years ago

Commit 32adcaa1 parent d093bc011 files · +10 −8Browse files

Showing the changes to include/linux (1 of 11 files). Show all

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include/linux/soc/mmp/cputype.h+85−0
@@ -0,0 +1,85 @@
1+/* SPDX-License-Identifier: GPL-2.0 */
2+#ifndef __ASM_MACH_CPUTYPE_H
3+#define __ASM_MACH_CPUTYPE_H
4+
5+#include <asm/cputype.h>
6+
7+/*
8+ * CPU Stepping CPU_ID CHIP_ID
9+ *
10+ * PXA168 S0 0x56158400 0x0000C910
11+ * PXA168 A0 0x56158400 0x00A0A168
12+ * PXA910 Y1 0x56158400 0x00F2C920
13+ * PXA910 A0 0x56158400 0x00F2C910
14+ * PXA910 A1 0x56158400 0x00A0C910
15+ * PXA920 Y0 0x56158400 0x00F2C920
16+ * PXA920 A0 0x56158400 0x00A0C920
17+ * PXA920 A1 0x56158400 0x00A1C920
18+ * MMP2 Z0 0x560f5811 0x00F00410
19+ * MMP2 Z1 0x560f5811 0x00E00410
20+ * MMP2 A0 0x560f5811 0x00A0A610
21+ * MMP3 A0 0x562f5842 0x00A02128
22+ * MMP3 B0 0x562f5842 0x00B02128
23+ */
24+
25+extern unsigned int mmp_chip_id;
26+
27+#ifdef CONFIG_CPU_PXA168
28+static inline int cpu_is_pxa168(void)
29+{
30+ return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
31+ ((mmp_chip_id & 0xfff) == 0x168);
32+}
33+#else
34+#define cpu_is_pxa168() (0)
35+#endif
36+
37+/* cpu_is_pxa910() is shared on both pxa910 and pxa920 */
38+#ifdef CONFIG_CPU_PXA910
39+static inline int cpu_is_pxa910(void)
40+{
41+ return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
42+ (((mmp_chip_id & 0xfff) == 0x910) ||
43+ ((mmp_chip_id & 0xfff) == 0x920));
44+}
45+#else
46+#define cpu_is_pxa910() (0)
47+#endif
48+
49+#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT)
50+static inline int cpu_is_mmp2(void)
51+{
52+ return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
53+ (((mmp_chip_id & 0xfff) == 0x410) ||
54+ ((mmp_chip_id & 0xfff) == 0x610));
55+}
56+#else
57+#define cpu_is_mmp2() (0)
58+#endif
59+
60+#ifdef CONFIG_MACH_MMP3_DT
61+static inline int cpu_is_mmp3(void)
62+{
63+ return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
64+ ((mmp_chip_id & 0xffff) == 0x2128);
65+}
66+
67+static inline int cpu_is_mmp3_a0(void)
68+{
69+ return (cpu_is_mmp3() &&
70+ ((mmp_chip_id & 0x00ff0000) == 0x00a00000));
71+}
72+
73+static inline int cpu_is_mmp3_b0(void)
74+{
75+ return (cpu_is_mmp3() &&
76+ ((mmp_chip_id & 0x00ff0000) == 0x00b00000));
77+}
78+
79+#else
80+#define cpu_is_mmp3() (0)
81+#define cpu_is_mmp3_a0() (0)
82+#define cpu_is_mmp3_b0() (0)
83+#endif
84+
85+#endif /* __ASM_MACH_CPUTYPE_H */

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