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+/************************************************************************************
+ * arch/z80/src/ez80/ez80f91.h
+ * arch/z80/src/chip/ez80f91.h
+ *
+ * Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_Z80_SRC_EZ80_EZ80F91_H
+#define __ARCH_Z80_SRC_EZ80_EZ80F91_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* Product ID Registers ************************************************************/
+
+#define EZ80_ZDI_ID_L 0x00
+#define EZ80_ZDI_ID_H 0x01
+#define EZ80_ZDI_ID_REV 0x02
+
+/* Interrupt Registers *************************************************************/
+
+#define EZ80_INT_P0 0x10
+#define EZ80_INT_P1 0x11
+#define EZ80_INT_P2 0x12
+#define EZ80_INT_P3 0x13
+#define EZ80_INT_P4 0x14
+#define EZ80_INT_P5 0x15
+
+/* EMACC Registers *****************************************************************/
+
+#define EZ80_EMAC_TEST 0x20
+#define EZ80_EMAC_CFG1 0x21
+#define EZ80_EMAC_CFG2 0x22
+#define EZ80_EMAC_CFG3 0x23
+#define EZ80_EMAC_CFG4 0x24
+#define EZ80_EMAC_STAD_0 0x25
+#define EZ80_EMAC_STAD_1 0x26
+#define EZ80_EMAC_STAD_2 0x27
+#define EZ80_EMAC_STAD_3 0x28
+#define EZ80_EMAC_STAD_4 0x29
+#define EZ80_EMAC_STAD_5 0x2a
+#define EZ80_EMAC_TPTV_L 0x2b
+#define EZ80_EMAC_TPTV_H 0x2c
+#define EZ80_EMAC_IPGT 0x2d
+#define EZ80_EMAC_IPGR1 0x2e
+#define EZ80_EMAC_IPGR2 0x2f
+#define EZ80_EMAC_MAXF_L 0x30
+#define EZ80_EMAC_MAXF_H 0x31
+#define EZ80_EMAC_AFR 0x32
+#define EZ80_EMAC_HTBL_0 0x33
+#define EZ80_EMAC_HTBL_1 0x34
+#define EZ80_EMAC_HTBL_2 0x35
+#define EZ80_EMAC_HTBL_3 0x36
+#define EZ80_EMAC_HTBL_4 0x37
+#define EZ80_EMAC_HTBL_5 0x38
+#define EZ80_EMAC_HTBL_6 0x39
+#define EZ80_EMAC_HTBL_7 0x3a
+#define EZ80_EMAC_MIIMGT 0x3b
+#define EZ80_EMAC_CTLD_L 0x3c
+#define EZ80_EMAC_CTLD_H 0x3d
+#define EZ80_EMAC_RGAD 0x3e
+#define EZ80_EMAC_FIAD 0x3f
+#define EZ80_EMAC_PTMR 0x40
+#define EZ80_EMAC_RST 0x41
+#define EZ80_EMAC_TLBP_L 0x42
+#define EZ80_EMAC_TLBP_H 0x43
+#define EZ80_EMAC_BP_L 0x44
+#define EZ80_EMAC_BP_H 0x45
+#define EZ80_EMAC_BP_U 0x46
+#define EZ80_EMAC_RHBP_L 0x47
+#define EZ80_EMAC_RHBP_H 0x48
+#define EZ80_EMAC_RRP_L 0x49
+#define EZ80_EMAC_RRP_H 0x4a
+#define EZ80_EMAC_BUFSZ 0x4b
+#define EZ80_EMAC_IEN 0x4c
+#define EZ80_EMAC_ISTAT 0x4d
+#define EZ80_EMAC_PRSD_L 0x4e
+#define EZ80_EMAC_PRSD_H 0x4f
+#define EZ80_EMAC_MIISTAT 0x50
+#define EZ80_EMAC_RWP_L 0x51
+#define EZ80_EMAC_RWP_H 0x52
+#define EZ80_EMAC_TRP_L 0x53
+#define EZ80_EMAC_TRP_H 0x54
+#define EZ80_EMAC_BLKSLFT_L 0x55
+#define EZ80_EMAC_BLKSLFT_H 0x56
+#define EZ80_EMAC_FDATA_L 0x57
+#define EZ80_EMAC_FDATA_H 0x58
+#define EZ80_EMAC_FFLAGS 0x59
+#define EZ80_EMAC_FLAGS 0x59
+
+/* PLL Registers *******************************************************************/
+
+#define EZ80_PLL_DIV_L 0x5c
+#define EZ80_PLL_DIV_H 0x5d
+#define EZ80_PLL_CTL0 0x5e
+#define EZ80_PLL_CTL1 0x5f
+
+/* Timer Registers *****************************************************************/
+
+#define EZ80_TMR0_CTL 0x60 /* RW: Timer 0 control register */
+#define EZ80_TMR0_IER 0x61 /* RW: Timer 0 interrupt enable register */
+#define EZ80_TMR0_IIR 0x62 /* R : Timer 0 interrupt ID register */
+#define EZ80_TMR0_DRL 0x63 /* R : Timer 0 data register (low) */
+#define EZ80_TMR0_DRH 0x64 /* R : Timer 0 data register (high) */
+#define EZ80_TMR0_RRL 0x63 /* W: Timer 0 reload register (low) */
+#define EZ80_TMR0_RRH 0x64 /* W: Timer 0 reload register (high) */
+
+#define EZ80_TMR1_CTL 0x65 /* RW: Timer 1 control register */
+#define EZ80_TMR1_IER 0x66 /* RW: Timer 1 interrupt enable register */
+#define EZ80_TMR1_IIR 0x67 /* R : Timer 1 interrupt ID register */
+#define EZ80_TMR1_DRL 0x68 /* R : Timer 1 data register (low) */
+#define EZ80_TMR1_DRH 0x69 /* R : Timer 1 data register (high) */
+#define EZ80_TMR1_RRL 0x68 /* W: Timer 1 reload register (low) */
+#define EZ80_TMR1_RRH 0x69 /* W: Timer 1 reload register (high) */
+#define EZ80_TMR1_CAPCTL 0x6a /* RW: Timer 1 input capture control register */
+#define EZ80_TMR1_CAPAL 0x6b /* R : Timer 1 capture input value A (low) */
+#define EZ80_TMR1_CAPAH 0x6c /* R : Timer 1 capture input value A (high) */
+#define EZ80_TMR1_CAPBL 0x6d /* R : Timer 1 capture input value B (low) */
+#define EZ80_TMR1_CAPBH 0x6e
+
+#define EZ80_TMR2_CTL 0x6f /* RW: Timer 2 control register */
+#define EZ80_TMR2_IER 0x70 /* RW: Timer 2 interrupt enable register */
+#define EZ80_TMR2_IIR 0x71 /* R : Timer 2 interrupt ID register */
+#define EZ80_TMR2_DRL 0x72 /* R : Timer 2 data register (low) */
+#define EZ80_TMR2_DRH 0x73 /* R : Timer 2 data register (high) */
+#define EZ80_TMR2_RRL 0x72 /* W: Timer 2 reload register (low) */
+#define EZ80_TMR2_RRH 0x73 /* W: Timer 2 reload register (high) */
+
+#define EZ80_TMR3_CTL 0x74 /* RW: Timer 3 control register */
+#define EZ80_TMR3_IER 0x75 /* RW: Timer 3 interrupt enable register */
+#define EZ80_TMR3_IIR 0x76 /* R : Timer 3 interrupt ID register */
+#define EZ80_TMR3_DRL 0x77 /* R : Timer 3 data register (low) */
+#define EZ80_TMR3_DRH 0x78 /* R : Timer 3 data register (high) */
+#define EZ80_TMR3_RRL 0x77 /* W: Timer 3 reload register (low) */
+#define EZ80_TMR3_RRH 0x78 /* W: Timer 3 reload register (high) */
+#define EZ80_TMR3_CAPCTL 0x7b /* RW: Timer 3 input capture control register */
+#define EZ80_TMR3_CAPAL 0x7c /* R : Timer 3 capture input value A (low) */
+#define EZ80_TMR3_CAPAH 0x7d /* R : Timer 3 capture input value A (high) */
+#define EZ80_TMR3_CAPBL 0x7e /* R : Timer 3 capture input value B (low) */
+#define EZ80_TMR3_CAPBH 0x7f /* R : Timer 3 capture input value B (high) */
+#define EZ80_TMR3_OCCTL1 0x80 /* RW: Timer 3 output compare control register1 */
+#define EZ80_TMR3_OCCTL2 0x81 /* RW: Timer 3 output compare control register2 */
+#define EZ80_TMR3_OC0L 0x82 /* RW: Timer 3 output compare value 0 (low) */
+#define EZ80_TMR3_OC0H 0x83 /* RW: Timer 3 output compare value 0 (high) */
+#define EZ80_TMR3_OC1L 0x84 /* RW: Timer 3 output compare value 1 (low) */
+#define EZ80_TMR3_OC1H 0x85 /* RW: Timer 3 output compare value 1 (high) */
+#define EZ80_TMR3_OC2L 0x86 /* RW: Timer 3 output compare value 2 (low) */
+#define EZ80_TMR3_OC2H 0x87 /* RW: Timer 3 output compare value 2 (high) */
+#define EZ80_TMR3_OC3L 0x88 /* RW: Timer 3 output compare value 3 (low) */
+#define EZ80_TMR3_OC3H 0x89 /* RW: Timer 3 output compare value 3 (high) */
+
+/* TMR0/1/2/3 CTL Register Bit Definitions *******************************************/
+
+#define EZ80_TMRCTL_BRKSTOP 0x80 /* Bit 7: Stop timer for debug operation */
+#define EZ80_TMRCTL_CLKSEL 0x60 /* Bits 6-5: Timer source */
+# define EZ80_TMRCLKSEL_SYSCLK 0x00 /* 00: System clock divided by prescaler */
+# define EZ80_TMRCLKSEL_RTC 0x20 /* 01: Real time clock input */
+# define EZ80_TMRCLKSEL_ECF 0x40 /* 10: Event count input, falling edge */
+# define EZ80_TMRCLKSEL_ECR 0x60 /* 11: Event count input, rising edge */
+#define EZ80_TMRCTL_CLKDIV 0x18 /* Bits 3-4: Sysem clock divider */
+# define EZ80_TMRCLKDIV_4 0x00 /* 00: 4 */
+# define EZ80_TMRCLKDIV_16 0x08 /* 01: 16 */
+# define EZ80_TMRCLKDIV_64 0x10 /* 10: 64 */
+# define EZ80_TMRCLKDIV_256 0x18 /* 11: 256 */
+#define EZ80_TMRCTL_TIMCONT 0x04 /* Bit 2: Continusous mode */
+#define EZ80_TMRCTL_RLD 0x02 /* Bit 1: Force reload */
+#define EZ80_TMRCTL_TIMEN 0x01 /* Bit 0: Programmable reload timer enabled */
+
+/* TMR0/1/2/3 IER Register Bit Definitions *******************************************/
+ /* Bit 7: Reserved */
+#define EZ80_TMRIER_OC3EN 0x40 /* Bit 6: TMR3 OC3 enabled */
+#define EZ80_TMRIER_OC2EN 0x20 /* Bit 5: TMR3 OC2 enabled */
+#define EZ80_TMRIER_OC1EN 0x10 /* Bit 4: TMR3 OC1 enabled */
+#define EZ80_TMRIER_OC0EN 0x08 /* Bit 3: TMR3 OC0 enabled */
+#define EZ80_TMRIER_ICBEN 0x04 /* Bit 2: TMR1/3 capture pin enabled */
+#define EZ80_TMRIER_ICAEN 0x02 /* Bit 1: TMR1/3 capture pin enabled */
+#define EZ80_TMRIER_EOCEN 0x01 /* Bit 0: End of count interrupt enabled */
+
+/* TMR0/1/2/3 IER Register Bit Definitions *******************************************/
+ /* Bit 7: Reserved */
+#define EZ80_TMRIIR_OC3 0x40 /* Bit 6: TMR3 OC3 */
+#define EZ80_TMRIIR_OC2 0x20 /* Bit 5: TMR3 OC2 */
+#define EZ80_TMRIIR_OC1 0x10 /* Bit 4: TMR3 OC1 */
+#define EZ80_TMRIIR_OC0 0x08 /* Bit 3: TMR3 OC0 */
+#define EZ80_TMRIIR_ICB 0x04 /* Bit 2: TMR1/3 capture pin */
+#define EZ80_TMRIIR_ICA 0x02 /* Bit 1: TMR1/3 capture pin */
+#define EZ80_TMRIIR_EOC 0x01 /* Bit 0: End of count interrupt */
+
+/* PWM Registers *********************************************************************/
+
+#define EZ80_PWM_CTL1 0x79
+#define EZ80_PWM_CTL2 0x7a
+#define EZ80_PWM_CTL3 0x7b
+#define EZ80_PWM0R_L 0x7c
+#define EZ80_PWM0R_H 0x7d
+#define EZ80_PWM1R_L 0x7e
+#define EZ80_PWM1R_H 0x7f
+#define EZ80_PWM2R_L 0x80
+#define EZ80_PWM2R_H 0x81
+#define EZ80_PWM3R_L 0x82
+#define EZ80_PWM3R_H 0x83
+#define EZ80_PWM0F_L 0x84
+#define EZ80_PWM0F_H 0x85
+#define EZ80_PWM1F_L 0x86
+#define EZ80_PWM1F_H 0x87
+#define EZ80_PWM2F_L 0x88
+#define EZ80_PWM2F_H 0x89
+#define EZ80_PWM3F_L 0x8a
+#define EZ80_PWM3F_H 0x8b
+
+/* WDT Registers *********************************************************************/
+
+#define EZ80_WDT_CTL 0x93
+#define EZ80_WDT_RR 0x94
+
+/* GPIO Registers ********************************************************************/
+
+#define EZ80_PA_DR 0x96
+#define EZ80_PA_DDR 0x97
+#define EZ80_PA_ALT0 0xa6
+#define EZ80_PA_ALT1 0x98
+#define EZ80_PA_ALT2 0x99
+#define EZ80_PB_DR 0x9a
+#define EZ80_PB_DDR 0x9b
+#define EZ80_PB_ALT0 0xa7
+#define EZ80_PB_ALT1 0x9c
+#define EZ80_PB_ALT2 0x9d
+#define EZ80_PC_DR 0x9e
+#define EZ80_PC_DDR 0x9f
+#define EZ80_PC_ALT0 0xce
+#define EZ80_PC_ALT1 0xa0
+#define EZ80_PC_ALT2 0xa1
+#define EZ80_PD_DR 0xa2
+#define EZ80_PD_DDR 0xa3
+#define EZ80_PD_ALT0 0xcf
+#define EZ80_PD_ALT1 0xa4
+#define EZ80_PD_ALT2 0xa5
+
+/* CS Registers **********************************************************************/
+
+#define EZ80_CS0_LBR 0xa8
+#define EZ80_CS0_UBR 0xa9
+#define EZ80_CS0_CTL 0xaa
+#define EZ80_CS1_LBR 0xab
+#define EZ80_CS1_UBR 0xac
+#define EZ80_CS1_CTL 0xad
+#define EZ80_CS2_LBR 0xae
+#define EZ80_CS2_UBR 0xaf
+#define EZ80_CS2_CTL 0xb0
+#define EZ80_CS3_LBR 0xb1
+#define EZ80_CS3_UBR 0xb2
+#define EZ80_CS3_CTL 0xb3
+
+/* RAMCTL reggisters *****************************************************************/
+
+#define EZ80_RAM_CTL 0xb4
+#define EZ80_RAM_CTL0 0xb4
+#define EZ80_RAM_ADDR_U 0xb5
+#define EZ80_MBIST_GPR 0xb6
+#define EZ80_MBIST_EMR 0xb7
+
+/* SPI Registers *********************************************************************/
+
+#define EZ80_SPI_BRG_L 0xb8
+#define EZ80_SPI_BRG_H 0xb9
+#define EZ80_SPI_CTL 0xba
+#define EZ80_SPI_SR 0xbb
+#define EZ80_SPI_RBR 0xbc
+#define EZ80_SPI_TSR 0xbd
+
+/* UART Register Offsets *************************************************************/
+ /* DLAB=0: */
+#define EZ80_UART_THR 0x00 /* W: UART Transmit holding register */
+#define EZ80_UART_RBR 0x00 /* R : UART Receive buffer register */
+#define EZ80_UART_IER 0x01 /* RW: UART Interrupt enable register */
+ /* DLAB=1: */
+#define EZ80_UART_BRG 0x00 /* RW: UART Baud rate generator register */
+#define EZ80_UART_BRGL 0x00 /* RW: UART Baud rate generator register (low) */
+#define EZ80_UART_BRGH 0x01 /* RW: UART Baud rate generator register (high) */
+ /* DLAB=N/A: */
+#define EZ80_UART_IIR 0x02 /* R : UART Interrupt identification register */
+#define EZ80_UART_FCTL 0x02 /* W: UART FIFO control register */
+#define EZ80_UART_LCTL 0x03 /* RW: UART Line control register */
+#define EZ80_UART_MCTL 0x04 /* RW: UART Modem control register */
+#define EZ80_UART_LSR 0x05 /* R : UART Line status register */
+#define EZ80_UART_MSR 0x06 /* R : UART Modem status register */
+#define EZ80_UART_SPR 0x07 /* RW: UART Scratchpad register */
+
+/* UART0/1 Base Register Addresses **************************************************/
+
+#define EZ80_UART0_BASE 0xc0
+#define EZ80_UART1_BASE 0xd0
+
+/* UART0/1 IER register bits ********************************************************/
+
+#define EZ80_UARTEIR_INTMASK 0x1f /* Bits 5-7: Reserved */
+#define EZ80_UARTEIR_TCIE 0x10 /* Bit 4: Transmission complete interrupt */
+#define EZ80_UARTEIR_MIIE 0x08 /* Bit 3: Modem status input interrupt */
+#define EZ80_UARTEIR_LSIE 0x04 /* Bit 2: Line status interrupt */
+#define EZ80_UARTEIR_TIE 0x02 /* Bit 1: Transmit interrupt */
+#define EZ80_UARTEIR_RIE 0x01 /* Bit 0: Receive interrupt */
+
+/* UART0/1 IIR register bits ********************************************************/
+
+#define EZ80_UARTIIR_FSTS 0x80 /* Bit 7: FIFO enable */
+ /* Bits 4-6: Reserved */
+#define EZ80_UARTIIR_INSTS 0x0e /* Bits 1-3: Interrupt status code */
+# define EZ80_UARTINSTS_CTO 0x0c /* 110: Character timeout */
+# define EZ80_UARTINSTS_TC 0x0a /* 101: Transmission complete */
+# define EZ80_UARTINSTS_RLS 0x06 /* 011: Receiver line status */
+# define EZ80_UARTINSTS_RDR 0x04 /* 010: Receive data ready or trigger level */
+# define EZ80_UARTINSTS_TBE 0x02 /* 001: Transmisson buffer empty */
+# define EZ80_UARTINSTS_MS 0x00 /* 000: Modem status */
+#define EZ80_UARTIIR_INTBIT 0x01 /* Bit 0: Active interrupt source */
+#define EZ80_UARTIIR_CAUSEMASK 0x0f
+
+/* UART0/1 FCTL register bits *******************************************************/
+
+#define EZ80_UARTFCTL_TRIG 0xc0 /* Bits 6-7: UART recieve FIFO trigger level */
+# define EZ80_UARTTRIG_1 0x00 /* 00: Receive FIFO trigger level=1 */
+# define EZ80_UARTTRIG_4 0x40 /* 01: Receive FIFO trigger level=4 */
+# define EZ80_UARTTRIG_8 0x80 /* 10: Receive FIFO trigger level=8 */
+# define EZ80_UARTTRIG_14 0xc0 /* 11: Receive FIFO trigger level=14 */
+ /* Bit 3-5: Reserved */
+#define EZ80_UARTFCTL_CLRTxF 0x04 /* Bit 2: Transmit enable */
+#define EZ80_UARTFCTL_CLRRxF 0x02 /* Bit 1: Receive enable */
+#define EZ80_UARTFCTL_FIFOEN 0x01 /* Bit 0: Enable receive/transmit FIFOs */
+
+/* UART0/1 LCTL register bits *******************************************************/
+
+#define EZ80_UARTLCTL_DLAB 0x80 /* Bit 7: Enable access to baud rate generator */
+#define EZ80_UARTLCTL_SB 0x40 /* Bit 6: Send break */
+#define EZ80_UARTLCTL_FPE 0x20 /* Bit 5: Force parity error */
+#define EZ80_UARTLCTL_EPS 0x10 /* Bit 4: Even parity select */
+#define EZ80_UARTLCTL_PEN 0x08 /* Bit 3: Parity enable */
+#define EZ80_UARTLCTl_2STOP 0x04 /* Bit 2: 2 stop bits */
+#define EZ80_UARTLCTL_CHAR 0x03 /* Bits 0-2: Number of data bits */
+# define EZ80_UARTCHAR_5BITS 0x00 /* 00: 5 data bits */
+# define EZ80_UARTCHAR_6BITS 0x01 /* 01: 6 data bits */
+# define EZ80_UARTCHAR_7BITS 0x02 /* 10: 7 data bits */
+# define EZ80_UARTCHAR_8BITS 0x03 /* 11: 8 data bits */
+
+#define EZ80_UARTLCTL_MASK 0x3f
+
+/* UART0/1 MCTL register bits *******************************************************/
+ /* Bit 7: Reserved */
+#define EZ80_UARTMCTL_POLARITY 0x40 /* Bit 6: Invert polarity of RxD and TxD */
+#define EZ80_UARTMCTL_MDM 0x20 /* Bit 5: Multi-drop mode enable */
+#define EZ80_UARTMCTL_LOOP 0x10 /* Bit 4: Loopback mode enable */
+#define EZ80_UARTMCTL_OUT2 0x08 /* Bit 3: (loopback mode only) */
+#define EZ80_UARTMCTL_OUT1 0x04 /* Bit 2: (loopback mode only) */
+#define EZ80_UARTMCTL_RTS 0x02 /* Bit 1: Request to send */
+#define EZ80_UARTMCTL_DTR 0x01 /* Bit 0: Data termnal read */
+
+/* UART0/1 LSR register bits ********************************************************/
+
+#define EZ80_UARTLSR_ERR 0x80 /* Bit 7: Error detected in FIFO */
+#define EZ80_UARTLSR_TEMT 0x40 /* Bit 6: Transmit FIFO empty and idle */
+#define EZ80_UARTLSR_THRE 0x20 /* Bit 5: Transmit FIFO empty */
+#define EZ80_UARTLSR_BI 0x10 /* Bit 4: Break on input */
+#define EZ80_UARTLSR_FE 0x08 /* Bit 3: Framing error */
+#define EZ80_UARTLSR_PE 0x04 /* Bit 2: Parity error */
+#define EZ80_UARTLSR_OE 0x02 /* Bit 1: Overrun error */
+#define EZ80_UARTLSR_DR 0x01 /* Bit 0: Data ready */
+
+/* UART0/1 MSR register bits ********************************************************/
+
+#define EZ80_UARTMSR_DCD 0x80 /* Bit 7: Data carrier detect */
+#define EZ80_UARTMSR_RI 0x40 /* Bit 6: Ring indicator */
+#define EZ80_UARTMSR_DSR 0x20 /* Bit 5: Data set ready */
+#define EZ80_UARTMSR_CTS 0x10 /* Bit 4: Clear to send */
+#define EZ80_UARTMSR_DDCD 0x08 /* Bit 3: Delta on DCD input */
+#define EZ80_UARTMSR_TERI 0x04 /* Bit 2: Trailing edge change on RI */
+#define EZ80_UARTMSR_DDSR 0x02 /* Bit 1: Delta on DSR input */
+#define EZ80_UARTMSR_DCTS 0x01 /* Bit 0: Delta on CTS input */
+
+/* IR Registers ********************************************************************/
+
+#define EZ80_IR_CTL 0xbf
+
+/* I2C Registers *******************************************************************/
+
+#define EZ80_I2C_SAR 0xc8
+#define EZ80_I2C_XSAR 0xc9
+#define EZ80_I2C_DR 0xca
+#define EZ80_I2C_CTL 0xcb
+#define EZ80_I2C_SR 0xcc
+#define EZ80_I2C_CCR 0xcd
+#define EZ80_I2C_SRR 0xce
+
+/* CLK Registers *******************************************************************/
+
+#define EZ80_CLK_PPD1 0xdb
+#define EZ80_CLK_PPD2 0xdc
+
+/* RTC Registers *******************************************************************/
+
+#define EZ80_RTC_SEC 0xe0
+#define EZ80_RTC_MIN 0xe1
+#define EZ80_RTC_HRS 0xe2
+#define EZ80_RTC_DOW 0xe3
+#define EZ80_RTC_DOM 0xe4
+#define EZ80_RTC_MON 0xe5
+#define EZ80_RTC_YR 0xe6
+#define EZ80_RTC_CEN 0xe7
+#define EZ80_RTC_ASEC 0xe8
+#define EZ80_RTC_AMIN 0xe9
+#define EZ80_RTC_AHRS 0xea
+#define EZ80_RTC_ADOW 0xeb
+#define EZ80_RTC_ACTRL 0xec
+#define EZ80_RTC_CTRL 0xed
+
+/* CSBMC Registers *****************************************************************/
+
+#define EZ80_CS0_BMC 0xf0
+#define EZ80_CS1_BMC 0xf1
+#define EZ80_CS2_BMC 0xf2
+#define EZ80_CS3_BMC 0xf3
+
+/* FLASH Registers *****************************************************************/
+
+#define EZ80_FLASH_KEY 0xf5
+#define EZ80_FLASH_DATA 0xf6
+#define EZ80_FLASH_ADDR_U 0xf7
+#define EZ80_FLASH_CTRL 0xf8
+#define EZ80_FLASH_FDIV 0xf9
+#define EZ80_FLASH_PROT 0xfa
+#define EZ80_FLASH_INTC 0xfb
+#define EZ80_FLASH_PAGE 0xfc
+#define EZ80_FLASH_ROW 0xfd
+#define EZ80_FLASH_COL 0xfe
+#define EZ80_FLASH_PGCTL 0xff
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif /* __ARCH_Z80_SRC_EZ80_EZ80F91_H */