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. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
2019-08-08 15:47:24 +02:00
parent d093bc0378
commit 32adcaa010
11 changed files with 10 additions and 8 deletions
--- a/include/linux/soc/mmp/cputype.h
+++ b/include/linux/soc/mmp/cputype.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MACH_CPUTYPE_H
+#define __ASM_MACH_CPUTYPE_H
+
+#include <asm/cputype.h>
+
+/*
+ *  CPU   Stepping   CPU_ID      CHIP_ID
+ *
+ * PXA168    S0    0x56158400   0x0000C910
+ * PXA168    A0    0x56158400   0x00A0A168
+ * PXA910    Y1    0x56158400   0x00F2C920
+ * PXA910    A0    0x56158400   0x00F2C910
+ * PXA910    A1    0x56158400   0x00A0C910
+ * PXA920    Y0    0x56158400   0x00F2C920
+ * PXA920    A0    0x56158400   0x00A0C920
+ * PXA920    A1    0x56158400   0x00A1C920
+ * MMP2	     Z0	   0x560f5811   0x00F00410
+ * MMP2      Z1    0x560f5811   0x00E00410
+ * MMP2      A0    0x560f5811   0x00A0A610
+ * MMP3      A0    0x562f5842   0x00A02128
+ * MMP3      B0    0x562f5842   0x00B02128
+ */
+
+extern unsigned int mmp_chip_id;
+
+#ifdef CONFIG_CPU_PXA168
+static inline int cpu_is_pxa168(void)
+{
+	return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
+		((mmp_chip_id & 0xfff) == 0x168);
+}
+#else
+#define cpu_is_pxa168()	(0)
+#endif
+
+/* cpu_is_pxa910() is shared on both pxa910 and pxa920 */
+#ifdef CONFIG_CPU_PXA910
+static inline int cpu_is_pxa910(void)
+{
+	return (((read_cpuid_id() >> 8) & 0xff) == 0x84) &&
+		(((mmp_chip_id & 0xfff) == 0x910) ||
+		 ((mmp_chip_id & 0xfff) == 0x920));
+}
+#else
+#define cpu_is_pxa910()	(0)
+#endif
+
+#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT)
+static inline int cpu_is_mmp2(void)
+{
+	return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
+		(((mmp_chip_id & 0xfff) == 0x410) ||
+		 ((mmp_chip_id & 0xfff) == 0x610));
+}
+#else
+#define cpu_is_mmp2()	(0)
+#endif
+
+#ifdef CONFIG_MACH_MMP3_DT
+static inline int cpu_is_mmp3(void)
+{
+	return (((read_cpuid_id() >> 8) & 0xff) == 0x58) &&
+		((mmp_chip_id & 0xffff) == 0x2128);
+}
+
+static inline int cpu_is_mmp3_a0(void)
+{
+	return (cpu_is_mmp3() &&
+		((mmp_chip_id & 0x00ff0000) == 0x00a00000));
+}
+
+static inline int cpu_is_mmp3_b0(void)
+{
+	return (cpu_is_mmp3() &&
+		((mmp_chip_id & 0x00ff0000) == 0x00b00000));
+}
+
+#else
+#define cpu_is_mmp3()		(0)
+#define cpu_is_mmp3_a0()	(0)
+#define cpu_is_mmp3_b0()	(0)
+#endif
+
+#endif /* __ASM_MACH_CPUTYPE_H */