1 files changed, 90 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/apollohw.h b/arch/m68k/include/asm/apollohw.h
new file mode 100644
index 000000000..52066f3b8
--- /dev/null
+++ b/arch/m68k/include/asm/apollohw.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* apollohw.h : some structures to access apollo HW */
+
+#ifndef _ASMm68k_APOLLOHW_H_
+#define _ASMm68k_APOLLOHW_H_
+
+#include <linux/types.h>
+
+#include <asm/bootinfo-apollo.h>
+
+
+extern u_long apollo_model;
+
+
+/*
+   see scn2681 data sheet for more info.
+   member names are read_write.
+*/
+
+#define DECLARE_2681_FIELD(x) unsigned char x; unsigned char dummy##x
+
+struct SCN2681 {
+
+	DECLARE_2681_FIELD(mra);
+	DECLARE_2681_FIELD(sra_csra);
+	DECLARE_2681_FIELD(BRGtest_cra);
+	DECLARE_2681_FIELD(rhra_thra);
+	DECLARE_2681_FIELD(ipcr_acr);
+	DECLARE_2681_FIELD(isr_imr);
+	DECLARE_2681_FIELD(ctu_ctur);
+	DECLARE_2681_FIELD(ctl_ctlr);
+	DECLARE_2681_FIELD(mrb);
+	DECLARE_2681_FIELD(srb_csrb);
+	DECLARE_2681_FIELD(tst_crb);
+	DECLARE_2681_FIELD(rhrb_thrb);
+	DECLARE_2681_FIELD(reserved);
+	DECLARE_2681_FIELD(ip_opcr);
+	DECLARE_2681_FIELD(startCnt_setOutBit);
+	DECLARE_2681_FIELD(stopCnt_resetOutBit);
+
+};
+
+struct mc146818 {
+        unsigned char second, alarm_second;
+        unsigned char minute, alarm_minute;
+        unsigned char hours, alarm_hours;
+        unsigned char day_of_week, day_of_month;
+        unsigned char month, year;
+};
+
+
+#define IO_BASE 0x80000000
+
+extern u_long sio01_physaddr;
+extern u_long sio23_physaddr;
+extern u_long rtc_physaddr;
+extern u_long pica_physaddr;
+extern u_long picb_physaddr;
+extern u_long cpuctrl_physaddr;
+extern u_long timer_physaddr;
+
+#define SAU7_SIO01_PHYSADDR 0x10400
+#define SAU7_SIO23_PHYSADDR 0x10500
+#define SAU7_RTC_PHYSADDR 0x10900
+#define SAU7_PICA 0x11000
+#define SAU7_PICB 0x11100
+#define SAU7_CPUCTRL 0x10100
+#define SAU7_TIMER 0x010800
+
+#define SAU8_SIO01_PHYSADDR 0x8400
+#define SAU8_RTC_PHYSADDR 0x8900
+#define SAU8_PICA 0x9400
+#define SAU8_PICB 0x9500
+#define SAU8_CPUCTRL 0x8100
+#define SAU8_TIMER 0x8800
+
+#define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr)))
+#define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr)))
+#define rtc (((volatile struct mc146818 *)(IO_BASE + rtc_physaddr)))
+#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr))
+#define pica (IO_BASE + pica_physaddr)
+#define picb (IO_BASE + picb_physaddr)
+#define apollo_timer (IO_BASE + timer_physaddr)
+#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000))
+
+#define isaIO2mem(x) (((((x) & 0x3f8)  << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)
+
+#define IRQ_APOLLO	IRQ_USER
+
+#endif