SPARC: Added support for SPARC LEON2 SOC Processor.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
diff --git a/include/asm-sparc/arch-leon2/asi.h b/include/asm-sparc/arch-leon2/asi.h
new file mode 100644
index 0000000..38fdd5c
--- /dev/null
+++ b/include/asm-sparc/arch-leon2/asi.h
@@ -0,0 +1,36 @@
+/* asi.h: Address Space Identifier values for the LEON2 sparc.
+ *
+ * Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef _LEON2_ASI_H
+#define _LEON2_ASI_H
+
+#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */
+#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */
+#define ASI_IFLUSH 0x05 /* Flush I-Cache */
+#define ASI_DFLUSH 0x06 /* Flush D-Cache */
+#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */
+#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */
+#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */
+
+#endif /* _LEON2_ASI_H */
diff --git a/include/asm-sparc/leon.h b/include/asm-sparc/leon.h
index 6036fb5..f7175ee 100644
--- a/include/asm-sparc/leon.h
+++ b/include/asm-sparc/leon.h
@@ -27,6 +27,10 @@
#include <asm/leon3.h>
+#elif defined(CONFIG_LEON2)
+
+#include <asm/leon2.h>
+
#else
#error Unknown LEON processor
diff --git a/include/asm-sparc/leon2.h b/include/asm-sparc/leon2.h
new file mode 100644
index 0000000..fa55cad
--- /dev/null
+++ b/include/asm-sparc/leon2.h
@@ -0,0 +1,236 @@
+/* LEON2 header file. LEON2 is a SOC processor.
+ *
+ * (C) Copyright 2008
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#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