1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h
new file mode 100644
index 000000000..00b4941d2
--- /dev/null
+++ b/arch/arm/mach-ep93xx/ts72xx.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/mach-ep93xx/include/mach/ts72xx.h
+ */
+
+/*
+ * TS72xx memory map:
+ *
+ * virt		phys		size
+ * febff000	22000000	4K	model number register (bits 0-2)
+ * febfe000	22400000	4K	options register
+ * febfd000	22800000	4K	options register #2
+ * febfc000     23400000        4K      CPLD version register
+ */
+
+#ifndef __TS72XX_H_
+#define __TS72XX_H_
+
+#define TS72XX_MODEL_PHYS_BASE		0x22000000
+#define TS72XX_MODEL_VIRT_BASE		IOMEM(0xfebff000)
+#define TS72XX_MODEL_SIZE		0x00001000
+
+#define TS72XX_MODEL_TS7200		0x00
+#define TS72XX_MODEL_TS7250		0x01
+#define TS72XX_MODEL_TS7260		0x02
+#define TS72XX_MODEL_TS7300		0x03
+#define TS72XX_MODEL_TS7400		0x04
+#define TS72XX_MODEL_MASK		0x07
+
+
+#define TS72XX_OPTIONS_PHYS_BASE	0x22400000
+#define TS72XX_OPTIONS_VIRT_BASE	IOMEM(0xfebfe000)
+#define TS72XX_OPTIONS_SIZE		0x00001000
+
+#define TS72XX_OPTIONS_COM2_RS485	0x02
+#define TS72XX_OPTIONS_MAX197		0x01
+
+
+#define TS72XX_OPTIONS2_PHYS_BASE	0x22800000
+#define TS72XX_OPTIONS2_VIRT_BASE	IOMEM(0xfebfd000)
+#define TS72XX_OPTIONS2_SIZE		0x00001000
+
+#define TS72XX_OPTIONS2_TS9420		0x04
+#define TS72XX_OPTIONS2_TS9420_BOOT	0x02
+
+#define TS72XX_CPLDVER_PHYS_BASE	0x23400000
+#define TS72XX_CPLDVER_VIRT_BASE	IOMEM(0xfebfc000)
+#define TS72XX_CPLDVER_SIZE		0x00001000
+
+#ifndef __ASSEMBLY__
+
+static inline int ts72xx_model(void)
+{
+	return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
+}
+
+static inline int board_is_ts7200(void)
+{
+	return ts72xx_model() == TS72XX_MODEL_TS7200;
+}
+
+static inline int board_is_ts7250(void)
+{
+	return ts72xx_model() == TS72XX_MODEL_TS7250;
+}
+
+static inline int board_is_ts7260(void)
+{
+	return ts72xx_model() == TS72XX_MODEL_TS7260;
+}
+
+static inline int board_is_ts7300(void)
+{
+	return ts72xx_model()  == TS72XX_MODEL_TS7300;
+}
+
+static inline int board_is_ts7400(void)
+{
+	return ts72xx_model() == TS72XX_MODEL_TS7400;
+}
+
+static inline int is_max197_installed(void)
+{
+	return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
+					TS72XX_OPTIONS_MAX197);
+}
+
+static inline int is_ts9420_installed(void)
+{
+	return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
+					TS72XX_OPTIONS2_TS9420);
+}
+#endif
+#endif /* __TS72XX_H_ */