+++ /dev/null
-/* LEON2 header file. LEON2 is a SOC processor.
- *
- * (C) Copyright 2008
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef __LEON2_H__
-#define __LEON2_H__
-
-#ifdef CONFIG_LEON2
-
-/* LEON 2 I/O register definitions */
-#define LEON2_PREGS 0x80000000
-#define LEON2_MCFG1 0x00
-#define LEON2_MCFG2 0x04
-#define LEON2_ECTRL 0x08
-#define LEON2_FADDR 0x0C
-#define LEON2_MSTAT 0x10
-#define LEON2_CCTRL 0x14
-#define LEON2_PWDOWN 0x18
-#define LEON2_WPROT1 0x1C
-#define LEON2_WPROT2 0x20
-#define LEON2_LCONF 0x24
-#define LEON2_TCNT0 0x40
-#define LEON2_TRLD0 0x44
-#define LEON2_TCTRL0 0x48
-#define LEON2_TCNT1 0x50
-#define LEON2_TRLD1 0x54
-#define LEON2_TCTRL1 0x58
-#define LEON2_SCNT 0x60
-#define LEON2_SRLD 0x64
-#define LEON2_UART0 0x70
-#define LEON2_UDATA0 0x70
-#define LEON2_USTAT0 0x74
-#define LEON2_UCTRL0 0x78
-#define LEON2_USCAL0 0x7C
-#define LEON2_UART1 0x80
-#define LEON2_UDATA1 0x80
-#define LEON2_USTAT1 0x84
-#define LEON2_UCTRL1 0x88
-#define LEON2_USCAL1 0x8C
-#define LEON2_IMASK 0x90
-#define LEON2_IPEND 0x94
-#define LEON2_IFORCE 0x98
-#define LEON2_ICLEAR 0x9C
-#define LEON2_IOREG 0xA0
-#define LEON2_IODIR 0xA4
-#define LEON2_IOICONF 0xA8
-#define LEON2_IPEND2 0xB0
-#define LEON2_IMASK2 0xB4
-#define LEON2_ISTAT2 0xB8
-#define LEON2_ICLEAR2 0xBC
-
-#ifndef __ASSEMBLER__
-/*
- * Structure for LEON memory mapped registers.
- *
- * Source: Section 6.1 - On-chip registers
- *
- * NOTE: There is only one of these structures per CPU, its base address
- * is 0x80000000, and the variable LEON_REG is placed there by the
- * linkcmds file.
- */
-typedef struct {
- volatile unsigned int Memory_Config_1;
- volatile unsigned int Memory_Config_2;
- volatile unsigned int Edac_Control;
- volatile unsigned int Failed_Address;
- volatile unsigned int Memory_Status;
- volatile unsigned int Cache_Control;
- volatile unsigned int Power_Down;
- volatile unsigned int Write_Protection_1;
- volatile unsigned int Write_Protection_2;
- volatile unsigned int Leon_Configuration;
- volatile unsigned int dummy2;
- volatile unsigned int dummy3;
- volatile unsigned int dummy4;
- volatile unsigned int dummy5;
- volatile unsigned int dummy6;
- volatile unsigned int dummy7;
- volatile unsigned int Timer_Counter_1;
- volatile unsigned int Timer_Reload_1;
- volatile unsigned int Timer_Control_1;
- volatile unsigned int Watchdog;
- volatile unsigned int Timer_Counter_2;
- volatile unsigned int Timer_Reload_2;
- volatile unsigned int Timer_Control_2;
- volatile unsigned int dummy8;
- volatile unsigned int Scaler_Counter;
- volatile unsigned int Scaler_Reload;
- volatile unsigned int dummy9;
- volatile unsigned int dummy10;
- volatile unsigned int UART_Channel_1;
- volatile unsigned int UART_Status_1;
- volatile unsigned int UART_Control_1;
- volatile unsigned int UART_Scaler_1;
- volatile unsigned int UART_Channel_2;
- volatile unsigned int UART_Status_2;
- volatile unsigned int UART_Control_2;
- volatile unsigned int UART_Scaler_2;
- volatile unsigned int Interrupt_Mask;
- volatile unsigned int Interrupt_Pending;
- volatile unsigned int Interrupt_Force;
- volatile unsigned int Interrupt_Clear;
- volatile unsigned int PIO_Data;
- volatile unsigned int PIO_Direction;
- volatile unsigned int PIO_Interrupt;
-} LEON2_regs;
-
-typedef struct {
- volatile unsigned int UART_Channel;
- volatile unsigned int UART_Status;
- volatile unsigned int UART_Control;
- volatile unsigned int UART_Scaler;
-} LEON2_Uart_regs;
-
-#endif
-
-/*
- * The following constants are intended to be used ONLY in assembly
- * language files.
- *
- * NOTE: The intended style of usage is to load the address of LEON REGS
- * into a register and then use these as displacements from
- * that register.
- */
-#define LEON_REG_MEMCFG1_OFFSET 0x00
-#define LEON_REG_MEMCFG2_OFFSET 0x04
-#define LEON_REG_EDACCTRL_OFFSET 0x08
-#define LEON_REG_FAILADDR_OFFSET 0x0C
-#define LEON_REG_MEMSTATUS_OFFSET 0x10
-#define LEON_REG_CACHECTRL_OFFSET 0x14
-#define LEON_REG_POWERDOWN_OFFSET 0x18
-#define LEON_REG_WRITEPROT1_OFFSET 0x1C
-#define LEON_REG_WRITEPROT2_OFFSET 0x20
-#define LEON_REG_LEONCONF_OFFSET 0x24
-#define LEON_REG_UNIMPLEMENTED_2_OFFSET 0x28
-#define LEON_REG_UNIMPLEMENTED_3_OFFSET 0x2C
-#define LEON_REG_UNIMPLEMENTED_4_OFFSET 0x30
-#define LEON_REG_UNIMPLEMENTED_5_OFFSET 0x34
-#define LEON_REG_UNIMPLEMENTED_6_OFFSET 0x38
-#define LEON_REG_UNIMPLEMENTED_7_OFFSET 0x3C
-#define LEON_REG_TIMERCNT1_OFFSET 0x40
-#define LEON_REG_TIMERLOAD1_OFFSET 0x44
-#define LEON_REG_TIMERCTRL1_OFFSET 0x48
-#define LEON_REG_WDOG_OFFSET 0x4C
-#define LEON_REG_TIMERCNT2_OFFSET 0x50
-#define LEON_REG_TIMERLOAD2_OFFSET 0x54
-#define LEON_REG_TIMERCTRL2_OFFSET 0x58
-#define LEON_REG_UNIMPLEMENTED_8_OFFSET 0x5C
-#define LEON_REG_SCALERCNT_OFFSET 0x60
-#define LEON_REG_SCALER_LOAD_OFFSET 0x64
-#define LEON_REG_UNIMPLEMENTED_9_OFFSET 0x68
-#define LEON_REG_UNIMPLEMENTED_10_OFFSET 0x6C
-#define LEON_REG_UARTDATA1_OFFSET 0x70
-#define LEON_REG_UARTSTATUS1_OFFSET 0x74
-#define LEON_REG_UARTCTRL1_OFFSET 0x78
-#define LEON_REG_UARTSCALER1_OFFSET 0x7C
-#define LEON_REG_UARTDATA2_OFFSET 0x80
-#define LEON_REG_UARTSTATUS2_OFFSET 0x84
-#define LEON_REG_UARTCTRL2_OFFSET 0x88
-#define LEON_REG_UARTSCALER2_OFFSET 0x8C
-#define LEON_REG_IRQMASK_OFFSET 0x90
-#define LEON_REG_IRQPEND_OFFSET 0x94
-#define LEON_REG_IRQFORCE_OFFSET 0x98
-#define LEON_REG_IRQCLEAR_OFFSET 0x9C
-#define LEON_REG_PIODATA_OFFSET 0xA0
-#define LEON_REG_PIODIR_OFFSET 0xA4
-#define LEON_REG_PIOIRQ_OFFSET 0xA8
-#define LEON_REG_SIM_RAM_SIZE_OFFSET 0xF4
-#define LEON_REG_SIM_ROM_SIZE_OFFSET 0xF8
-
-/*
- * Interrupt Sources
- *
- * The interrupt source numbers directly map to the trap type and to
- * the bits used in the Interrupt Clear, Interrupt Force, Interrupt Mask,
- * and the Interrupt Pending Registers.
- */
-#define LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR 1
-#define LEON_INTERRUPT_UART_1_RX_TX 2
-#define LEON_INTERRUPT_UART_0_RX_TX 3
-#define LEON_INTERRUPT_EXTERNAL_0 4
-#define LEON_INTERRUPT_EXTERNAL_1 5
-#define LEON_INTERRUPT_EXTERNAL_2 6
-#define LEON_INTERRUPT_EXTERNAL_3 7
-#define LEON_INTERRUPT_TIMER1 8
-#define LEON_INTERRUPT_TIMER2 9
-#define LEON_INTERRUPT_EMPTY1 10
-#define LEON_INTERRUPT_EMPTY2 11
-#define LEON_INTERRUPT_OPEN_ETH 12
-#define LEON_INTERRUPT_EMPTY4 13
-#define LEON_INTERRUPT_EMPTY5 14
-#define LEON_INTERRUPT_EMPTY6 15
-
-/* Timer Bits */
-#define LEON2_TIMER_CTRL_EN 0x1 /* Timer enable */
-#define LEON2_TIMER_CTRL_RS 0x2 /* Timer reStart */
-#define LEON2_TIMER_CTRL_LD 0x4 /* Timer reLoad */
-#define LEON2_TIMER1_IRQNO 8 /* Timer 1 IRQ number */
-#define LEON2_TIMER2_IRQNO 9 /* Timer 2 IRQ number */
-#define LEON2_TIMER1_IE (1<<LEON2_TIMER1_IRQNO) /* Timer 1 interrupt enable */
-#define LEON2_TIMER2_IE (1<<LEON2_TIMER2_IRQNO) /* Timer 2 interrupt enable */
-
-/* UART bits */
-#define LEON2_UART_CTRL_RE 1 /* UART Receiver enable */
-#define LEON2_UART_CTRL_TE 2 /* UART Transmitter enable */
-#define LEON2_UART_CTRL_RI 4 /* UART Receiver Interrupt enable */
-#define LEON2_UART_CTRL_TI 8 /* UART Transmitter Interrupt enable */
-#define LEON2_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */
-
-#define LEON2_UART_STAT_DR 1 /* UART Data Ready */
-#define LEON2_UART_STAT_TSE 2 /* UART Transmit Shift Reg empty */
-#define LEON2_UART_STAT_THE 4 /* UART Transmit Hold Reg empty */
-
-#else
-#error Include LEON2 header file only if LEON2 processor
-#endif
-
-#endif
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