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diff --git a/include/asm-sh/smc37c93x.h b/include/asm-sh/smc37c93x.h
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+++ b/include/asm-sh/smc37c93x.h
@@ -0,0 +1,190 @@
+#ifndef __ASM_SH_SMC37C93X_H
+#define __ASM_SH_SMC37C93X_H
+
+/*
+ * linux/include/asm-sh/smc37c93x.h
+ *
+ * Copyright (C) 2000 Kazumoto Kojima
+ *
+ * SMSC 37C93x Super IO Chip support
+ */
+
+/* Default base I/O address */
+#define FDC_PRIMARY_BASE 0x3f0
+#define IDE1_PRIMARY_BASE 0x1f0
+#define IDE1_SECONDARY_BASE 0x170
+#define PARPORT_PRIMARY_BASE 0x378
+#define COM1_PRIMARY_BASE 0x2f8
+#define COM2_PRIMARY_BASE 0x3f8
+#define RTC_PRIMARY_BASE 0x070
+#define KBC_PRIMARY_BASE 0x060
+#define AUXIO_PRIMARY_BASE 0x000 /* XXX */
+
+/* Logical device number */
+#define LDN_FDC 0
+#define LDN_IDE1 1
+#define LDN_IDE2 2
+#define LDN_PARPORT 3
+#define LDN_COM1 4
+#define LDN_COM2 5
+#define LDN_RTC 6
+#define LDN_KBC 7
+#define LDN_AUXIO 8
+
+/* Configuration port and key */
+#define CONFIG_PORT 0x3f0
+#define INDEX_PORT CONFIG_PORT
+#define DATA_PORT 0x3f1
+#define CONFIG_ENTER 0x55
+#define CONFIG_EXIT 0xaa
+
+/* Configuration index */
+#define CURRENT_LDN_INDEX 0x07
+#define POWER_CONTROL_INDEX 0x22
+#define ACTIVATE_INDEX 0x30
+#define IO_BASE_HI_INDEX 0x60
+#define IO_BASE_LO_INDEX 0x61
+#define IRQ_SELECT_INDEX 0x70
+#define DMA_SELECT_INDEX 0x74
+
+#define GPIO46_INDEX 0xc6
+#define GPIO47_INDEX 0xc7
+
+/* UART stuff. Only for debugging. */
+/* UART Register */
+
+#define UART_RBR 0x0 /* Receiver Buffer Register (Read Only) */
+#define UART_THR 0x0 /* Transmitter Holding Register (Write Only) */
+#define UART_IER 0x2 /* Interrupt Enable Register */
+#define UART_IIR 0x4 /* Interrupt Ident Register (Read Only) */
+#define UART_FCR 0x4 /* FIFO Control Register (Write Only) */
+#define UART_LCR 0x6 /* Line Control Register */
+#define UART_MCR 0x8 /* MODEM Control Register */
+#define UART_LSR 0xa /* Line Status Register */
+#define UART_MSR 0xc /* MODEM Status Register */
+#define UART_SCR 0xe /* Scratch Register */
+#define UART_DLL 0x0 /* Divisor Latch (LS) */
+#define UART_DLM 0x2 /* Divisor Latch (MS) */
+
+#ifndef __ASSEMBLY__
+typedef struct uart_reg {
+ volatile __u16 rbr;
+ volatile __u16 ier;
+ volatile __u16 iir;
+ volatile __u16 lcr;
+ volatile __u16 mcr;
+ volatile __u16 lsr;
+ volatile __u16 msr;
+ volatile __u16 scr;
+} uart_reg;
+#endif /* ! __ASSEMBLY__ */
+
+/* Alias for Write Only Register */
+
+#define thr rbr
+#define tcr iir
+
+/* Alias for Divisor Latch Register */
+
+#define dll rbr
+#define dlm ier
+#define fcr iir
+
+/* Interrupt Enable Register */
+
+#define IER_ERDAI 0x0100 /* Enable Received Data Available Interrupt */
+#define IER_ETHREI 0x0200 /* Enable Transmitter Holding Register Empty Interrupt */
+#define IER_ELSI 0x0400 /* Enable Receiver Line Status Interrupt */
+#define IER_EMSI 0x0800 /* Enable MODEM Status Interrupt */
+
+/* Interrupt Ident Register */
+
+#define IIR_IP 0x0100 /* "0" if Interrupt Pending */
+#define IIR_IIB0 0x0200 /* Interrupt ID Bit 0 */
+#define IIR_IIB1 0x0400 /* Interrupt ID Bit 1 */
+#define IIR_IIB2 0x0800 /* Interrupt ID Bit 2 */
+#define IIR_FIFO 0xc000 /* FIFOs enabled */
+
+/* FIFO Control Register */
+
+#define FCR_FEN 0x0100 /* FIFO enable */
+#define FCR_RFRES 0x0200 /* Receiver FIFO reset */
+#define FCR_TFRES 0x0400 /* Transmitter FIFO reset */
+#define FCR_DMA 0x0800 /* DMA mode select */
+#define FCR_RTL 0x4000 /* Receiver triger (LSB) */
+#define FCR_RTM 0x8000 /* Receiver triger (MSB) */
+
+/* Line Control Register */
+
+#define LCR_WLS0 0x0100 /* Word Length Select Bit 0 */
+#define LCR_WLS1 0x0200 /* Word Length Select Bit 1 */
+#define LCR_STB 0x0400 /* Number of Stop Bits */
+#define LCR_PEN 0x0800 /* Parity Enable */
+#define LCR_EPS 0x1000 /* Even Parity Select */
+#define LCR_SP 0x2000 /* Stick Parity */
+#define LCR_SB 0x4000 /* Set Break */
+#define LCR_DLAB 0x8000 /* Divisor Latch Access Bit */
+
+/* MODEM Control Register */
+
+#define MCR_DTR 0x0100 /* Data Terminal Ready */
+#define MCR_RTS 0x0200 /* Request to Send */
+#define MCR_OUT1 0x0400 /* Out 1 */
+#define MCR_IRQEN 0x0800 /* IRQ Enable */
+#define MCR_LOOP 0x1000 /* Loop */
+
+/* Line Status Register */
+
+#define LSR_DR 0x0100 /* Data Ready */
+#define LSR_OE 0x0200 /* Overrun Error */
+#define LSR_PE 0x0400 /* Parity Error */
+#define LSR_FE 0x0800 /* Framing Error */
+#define LSR_BI 0x1000 /* Break Interrupt */
+#define LSR_THRE 0x2000 /* Transmitter Holding Register Empty */
+#define LSR_TEMT 0x4000 /* Transmitter Empty */
+#define LSR_FIFOE 0x8000 /* Receiver FIFO error */
+
+/* MODEM Status Register */
+
+#define MSR_DCTS 0x0100 /* Delta Clear to Send */
+#define MSR_DDSR 0x0200 /* Delta Data Set Ready */
+#define MSR_TERI 0x0400 /* Trailing Edge Ring Indicator */
+#define MSR_DDCD 0x0800 /* Delta Data Carrier Detect */
+#define MSR_CTS 0x1000 /* Clear to Send */
+#define MSR_DSR 0x2000 /* Data Set Ready */
+#define MSR_RI 0x4000 /* Ring Indicator */
+#define MSR_DCD 0x8000 /* Data Carrier Detect */
+
+/* Baud Rate Divisor */
+
+#define UART_CLK (1843200) /* 1.8432 MHz */
+#define UART_BAUD(x) (UART_CLK / (16 * (x)))
+
+/* RTC register definition */
+#define RTC_SECONDS 0
+#define RTC_SECONDS_ALARM 1
+#define RTC_MINUTES 2
+#define RTC_MINUTES_ALARM 3
+#define RTC_HOURS 4
+#define RTC_HOURS_ALARM 5
+#define RTC_DAY_OF_WEEK 6
+#define RTC_DAY_OF_MONTH 7
+#define RTC_MONTH 8
+#define RTC_YEAR 9
+#define RTC_FREQ_SELECT 10
+# define RTC_UIP 0x80
+# define RTC_DIV_CTL 0x70
+/* This RTC can work under 32.768KHz clock only. */
+# define RTC_OSC_ENABLE 0x20
+# define RTC_OSC_DISABLE 0x00
+#define RTC_CONTROL 11
+# define RTC_SET 0x80
+# define RTC_PIE 0x40
+# define RTC_AIE 0x20
+# define RTC_UIE 0x10
+# define RTC_SQWE 0x08
+# define RTC_DM_BINARY 0x04
+# define RTC_24H 0x02
+# define RTC_DST_EN 0x01
+
+#endif /* __ASM_SH_SMC37C93X_H */
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