New (Submission by Bruce Robinson <brucer@pmccorp.com>).

7 files changed, 543 insertions, 0 deletions

diff --git a/c/src/lib/libcpu/mips/rm52xx/include/rm5231.h b/c/src/lib/libcpu/mips/rm52xx/include/rm5231.h
new file mode 100644
index 0000000000..a10837c396
--- /dev/null
+++ b/c/src/lib/libcpu/mips/rm52xx/include/rm5231.h
@@ -0,0 +1,12 @@
+/*
+ *  MIPS RM5231 specific information
+ *
+ *  rm5231.h,v 1.0 2004/06/23 19:54:22
+ */
+
+#ifndef __RM5231_h
+#define __RM5231_h
+
+#define RM5231_MAXIMUM_VECTORS MIPS_INTERRUPT_BASE+8
+
+#endif
diff --git a/c/src/lib/libcpu/mips/rm52xx/vectorisrs/maxvectors.c b/c/src/lib/libcpu/mips/rm52xx/vectorisrs/maxvectors.c
new file mode 100644
index 0000000000..d72273c582
--- /dev/null
+++ b/c/src/lib/libcpu/mips/rm52xx/vectorisrs/maxvectors.c
@@ -0,0 +1,24 @@
+/* 
+ *  This file contains the maximum number of vectors.  This can not
+ *  be determined without knowing the RTEMS CPU model. 
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  maxvectors.c,v 1.1.6.1 2003/09/04 18:45:49 joel Exp
+ */
+
+/*
+ *  Reserve first 32 for exceptions.
+ */
+
+
+#include <rtems.h>
+#include <libcpu/rm5231.h>
+
+unsigned int mips_interrupt_number_of_vectors = RM5231_MAXIMUM_VECTORS;
+
diff --git a/c/src/lib/libcpu/mips/rm52xx/vectorisrs/vectorisrs.c b/c/src/lib/libcpu/mips/rm52xx/vectorisrs/vectorisrs.c
new file mode 100644
index 0000000000..070884228b
--- /dev/null
+++ b/c/src/lib/libcpu/mips/rm52xx/vectorisrs/vectorisrs.c
@@ -0,0 +1,54 @@
+/*
+ *  RM5231 Interrupt Vectoring 
+ *
+ *  vectorisrs.c,v 1.6 2004/06/23 18:16:36
+ */
+
+#include <rtems.h>
+#include <stdlib.h>
+#include <libcpu/rm5231.h>
+
+void mips_default_isr( int vector );
+
+#define CALL_ISR(_vector,_frame) \
+  do { \
+    if ( _ISR_Vector_table[_vector] ) \
+      (_ISR_Vector_table[_vector])(_vector,_frame); \
+    else \
+      mips_default_isr(_vector); \
+  } while (0)
+
+#include <rtems/bspIo.h>  /* for printk */
+
+void mips_vector_isr_handlers( CPU_Interrupt_frame *frame )
+{
+  unsigned int sr;
+  unsigned int cause;
+  unsigned int i;
+  unsigned int mask;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  cause &= (sr & SR_IMASK);
+  cause >>= CAUSE_IPSHIFT;
+
+  for ( i=1, mask=0x80 ; i<=8 ; i++, mask >>= 1 ) {
+    if ( cause & mask )
+      CALL_ISR( MIPS_INTERRUPT_BASE + 8 - i, frame );
+  }
+}
+
+void mips_default_isr( int vector )
+{
+  unsigned int sr;
+  unsigned int cause;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  printk( "Unhandled isr exception: vector 0x%02x, cause 0x%08X, sr 0x%08X\n",
+      vector, cause, sr );
+  rtems_fatal_error_occurred(1);
+}
+
diff --git a/c/src/lib/libcpu/mips/tx49/include/tx4925.h b/c/src/lib/libcpu/mips/tx49/include/tx4925.h
new file mode 100644
index 0000000000..38985e5fe4
--- /dev/null
+++ b/c/src/lib/libcpu/mips/tx49/include/tx4925.h
@@ -0,0 +1,139 @@
+/*
+ *  MIPS Tx4925 specific information
+ *
+ *  tx4925.h,v 1.0 2004/06/23 19:54:22
+ */
+
+#ifndef __TX4925_h
+#define __TX4925_h
+
+#define TX4925_REG_BASE	0xFF1F0000
+
+
+/*
+ *  Configuration Registers
+ */
+#define TX4925_CFG_CCFG 0xE000		/* Chip Configuration Register */
+#define TX4925_CFG_REVID 0xE004		/* Chip Revision ID Register */
+#define TX4925_CFG_PCFG 0xE008		/* Pin Configuration Register */
+#define TX4925_CFG_TOEA 0xE00C		/* TimeOut Error Access Address Register */
+#define TX4925_CFG_PDNCTR 0xE010	/* Power Down Control Register */
+#define TX4925_CFG_GARBP 0xE018		/* GBUS Arbiter Priority Register */
+#define TX4925_CFG_TOCNT 0xE020		/* Timeout Count Register */
+#define TX4925_CFG_DRQCTR 0xE024		/* DMA Request Control Register */
+#define TX4925_CFG_CLKCTR 0xE028		/* Clock Control Register */
+#define TX4925_CFG_GARBC 0xE02C		/* GBUS Arbiter Control Register */
+#define TX4925_CFG_RAMP 0xE030		/* Register Address Mapping Register */
+
+/* Pin Configuration register bits */
+#define SELCHI	0x00100000		
+#define SELTMR0 0x00000200
+
+
+/*
+ *  Timer Registers
+ */
+
+#define TX4925_TIMER0_BASE 0xF000
+#define TX4925_TIMER1_BASE 0xF100
+#define TX4925_TIMER2_BASE 0xF200
+
+#define TX4925_TIMER_TCR  0x00			/* Timer Control Register */
+#define TX4925_TIMER_TISR 0x04			/* Timer Interrupt Status Register */
+#define TX4925_TIMER_CPRA 0x08			/* Compare Register A */
+#define TX4925_TIMER_CPRB 0x0C			/* Compare Register B */
+#define TX4925_TIMER_ITMR 0x10			/* Interval Timer Mode Register */
+#define TX4925_TIMER_CCDR 0x20			/* Divide Cycle Register */
+#define TX4925_TIMER_PGMR 0x30			/* Pulse Generator Mode Register */
+#define TX4925_TIMER_WTMR 0x40			/* Reserved Register */
+#define TX4925_TIMER_TRR  0xF0			/* Timer Read Register */
+
+/* ITMR register bits */
+#define TIMER_CLEAR_ENABLE_MASK		0x1
+#define TIMER_INT_ENABLE_MASK	0x8000
+
+/* PGMR register bits */
+#define FFI			0x1
+#define TPIAE		0x4000
+#define TPIBE		0x8000
+
+/* TISR register bits */
+#define TIIS	0x1
+#define TPIAS	0x2
+#define TPIBS	0x4
+#define TWIS	0x8
+
+
+/* 
+ *	Interrupt Controller Registers
+ */
+#define TX4925_IRQCTL_DEN 0xF600		/* Interrupt Detection Enable Register */
+#define TX4925_IRQCTL_DM0 0xF604		/* Interrupt Detection Mode Register 0 */
+#define TX4925_IRQCTL_DM1 0xF608		/* Interrupt Detection Mode Register 1 */
+#define TX4925_IRQCTL_LVL0 0xF610		/* Interrupt Level Register 0 */
+#define TX4925_IRQCTL_LVL1 0xF614		/* Interrupt Level Register 1 */
+#define TX4925_IRQCTL_LVL2 0xF618		/* Interrupt Level Register 2 */
+#define TX4925_IRQCTL_LVL3 0xF61C		/* Interrupt Level Register 3 */
+#define TX4925_IRQCTL_LVL4 0xF620		/* Interrupt Level Register 4 */
+#define TX4925_IRQCTL_LVL5 0xF624		/* Interrupt Level Register 5 */
+#define TX4925_IRQCTL_LVL6 0xF628		/* Interrupt Level Register 6 */
+#define TX4925_IRQCTL_LVL7 0xF62C		/* Interrupt Level Register 7 */
+#define TX4925_IRQCTL_MSK 0xF640		/* Interrupt Mask Register */
+#define TX4925_IRQCTL_EDC 0xF660		/* Interrupt Edge Detection Clear Register */
+#define TX4925_IRQCTL_PND 0xF680		/* Interrupt Pending Register */
+#define TX4925_IRQCTL_CS 0xF6A0			/* Interrupt Current Status Register */
+#define TX4925_IRQCTL_FLAG0 0xF510		/* Interrupt Request Flag Register 0 */
+#define TX4925_IRQCTL_FLAG1 0xF514		/* Interrupt Request Flag Register 1 */
+#define TX4925_IRQCTL_POL 0xF518		/* Interrupt Request Polarity Control Register */
+#define TX4925_IRQCTL_RCNT 0xF51C		/* Interrupt Request Control Register */
+#define TX4925_IRQCTL_MASKINT 0xF520	/* Interrupt Request Internal Interrupt Mask Register */
+#define TX4925_IRQCTL_MASKEXT 0xF524	/* Interrupt Request External Interrupt Mask Register */
+
+#define TX4925_REG_READ( _base, _register ) \
+  *((volatile uint32_t *)((_base) + (_register)))
+
+#define TX4925_REG_WRITE( _base, _register, _value ) \
+  *((volatile uint32_t *)((_base) + (_register))) = (_value)
+
+/*
+ *  Interrupt Vector Numbers
+ *
+ */
+#define TX4925_IRQ_RSV1        MIPS_INTERRUPT_BASE+0
+#define TX4925_IRQ_WTE         MIPS_INTERRUPT_BASE+1
+#define TX4925_IRQ_INT0        MIPS_INTERRUPT_BASE+2
+#define TX4925_IRQ_INT1        MIPS_INTERRUPT_BASE+3
+#define TX4925_IRQ_INT2        MIPS_INTERRUPT_BASE+4
+#define TX4925_IRQ_INT3        MIPS_INTERRUPT_BASE+5
+#define TX4925_IRQ_INT4        MIPS_INTERRUPT_BASE+6
+#define TX4925_IRQ_INT5        MIPS_INTERRUPT_BASE+7
+#define TX4925_IRQ_INT6        MIPS_INTERRUPT_BASE+8
+#define TX4925_IRQ_INT7        MIPS_INTERRUPT_BASE+9
+#define TX4925_IRQ_RSV2        MIPS_INTERRUPT_BASE+10
+#define TX4925_IRQ_NAND        MIPS_INTERRUPT_BASE+11
+#define TX4925_IRQ_SIO0        MIPS_INTERRUPT_BASE+12
+#define TX4925_IRQ_SIO1        MIPS_INTERRUPT_BASE+13
+#define TX4925_IRQ_DMAC0       MIPS_INTERRUPT_BASE+14
+#define TX4925_IRQ_DMAC1       MIPS_INTERRUPT_BASE+15
+#define TX4925_IRQ_DMAC2       MIPS_INTERRUPT_BASE+16
+#define TX4925_IRQ_DMAC3       MIPS_INTERRUPT_BASE+17
+#define TX4925_IRQ_IRC         MIPS_INTERRUPT_BASE+18
+#define TX4925_IRQ_PDMAC       MIPS_INTERRUPT_BASE+19
+#define TX4925_IRQ_PCIC        MIPS_INTERRUPT_BASE+20
+#define TX4925_IRQ_TMR0        MIPS_INTERRUPT_BASE+21
+#define TX4925_IRQ_TMR1        MIPS_INTERRUPT_BASE+22
+#define TX4925_IRQ_TMR2        MIPS_INTERRUPT_BASE+23
+#define TX4925_IRQ_SPI         MIPS_INTERRUPT_BASE+24
+#define TX4925_IRQ_RTC         MIPS_INTERRUPT_BASE+25
+#define TX4925_IRQ_ACLC        MIPS_INTERRUPT_BASE+26
+#define TX4925_IRQ_ACLCPME     MIPS_INTERRUPT_BASE+27
+#define TX4925_IRQ_CHI         MIPS_INTERRUPT_BASE+28
+#define TX4925_IRQ_PCIERR      MIPS_INTERRUPT_BASE+29
+#define TX4925_IRQ_PCIPME      MIPS_INTERRUPT_BASE+30
+#define TX4925_IRQ_RSV3        MIPS_INTERRUPT_BASE+31
+
+#define TX4925_IRQ_SOFTWARE_1  MIPS_INTERRUPT_BASE+32
+#define TX4925_IRQ_SOFTWARE_2  MIPS_INTERRUPT_BASE+33
+#define TX4925_MAXIMUM_VECTORS MIPS_INTERRUPT_BASE+34
+
+#endif
diff --git a/c/src/lib/libcpu/mips/tx49/include/tx4938.h b/c/src/lib/libcpu/mips/tx49/include/tx4938.h
new file mode 100644
index 0000000000..2f2b340937
--- /dev/null
+++ b/c/src/lib/libcpu/mips/tx49/include/tx4938.h
@@ -0,0 +1,223 @@
+/*
+ *  MIPS Tx4938 specific information
+ *
+ *  tx4938.h,v 1.0 2004/06/23 19:54:22
+ */
+
+#ifndef __TX4938_h
+#define __TX4938_h
+
+#define TX4938_REG_BASE	0xFF1F0000
+
+/* PCI1 Registers */
+#define TX4938_PCI1_PCIID       0x7000
+#define TX4938_PCI1_PCISTATUS   0x7004
+#define TX4938_PCI1_PCICFG1     0x700c
+#define TX4938_PCI1_P2GM1PLBASE 0x7018
+#define TX4938_PCI1_P2GCFG      0x7090
+#define TX4938_PCI1_PBAREQPORT  0x7100
+#define TX4938_PCI1_PBACFG      0x7104
+#define TX4938_PCI1_G2PM0GBASE  0x7120
+#define TX4938_PCI1_G2PIOGBASE  0x7138
+#define TX4938_PCI1_G2PM0MASK   0x7140
+#define TX4938_PCI1_G2PIOMASK   0x714c
+#define TX4938_PCI1_G2PM0PBASE  0x7150
+#define TX4938_PCI1_G2PIOPBASE  0x7168
+#define TX4938_PCI1_PCICCFG     0x7170
+#define TX4938_PCI1_PCICSTATUS  0x7174
+#define TX4938_PCI1_P2GM1GBASE  0x7188
+#define TX4938_PCI1_G2PCFGADRS  0x71a0
+#define TX4938_PCI1_G2PCFGDATA  0x71a4
+
+/*
+ *  Configuration Registers
+ */
+#define TX4938_CFG_CCFG 0xE000		/* Chip Configuration Register */
+#define TX4938_CFG_REVID 0xE008		/* Chip Revision ID Register */
+#define TX4938_CFG_PCFG 0xE010		/* Pin Configuration Register */
+#define TX4938_CFG_TOEA 0xE018		/* TimeOut Error Access Address Register */
+#define TX4938_CFG_CLKCTR 0xE020		/* Clock Control Register */
+#define TX4938_CFG_GARBC 0xE030		/* GBUS Arbiter Control Register */
+#define TX4938_CFG_RAMP 0xE048		/* Register Address Mapping Register */
+
+/* Pin Configuration register bits */
+#define SELCHI	0x00100000		
+#define SELTMR0 0x00000200
+
+
+/*
+ *  Timer Registers
+ */
+
+#define TX4938_TIMER0_BASE 0xF000
+#define TX4938_TIMER1_BASE 0xF100
+#define TX4938_TIMER2_BASE 0xF200
+
+#define TX4938_TIMER_TCR  0x00			/* Timer Control Register */
+#define TX4938_TIMER_TISR 0x04			/* Timer Interrupt Status Register */
+#define TX4938_TIMER_CPRA 0x08			/* Compare Register A */
+#define TX4938_TIMER_CPRB 0x0C			/* Compare Register B */
+#define TX4938_TIMER_ITMR 0x10			/* Interval Timer Mode Register */
+#define TX4938_TIMER_CCDR 0x20			/* Divide Cycle Register */
+#define TX4938_TIMER_PGMR 0x30			/* Pulse Generator Mode Register */
+#define TX4938_TIMER_WTMR 0x40			/* Reserved Register */
+#define TX4938_TIMER_TRR  0xF0			/* Timer Read Register */
+
+/* ITMR register bits */
+#define TIMER_CLEAR_ENABLE_MASK		0x1
+#define TIMER_INT_ENABLE_MASK	0x8000
+
+/* PGMR register bits */
+#define FFI			0x1
+#define TPIAE		0x4000
+#define TPIBE		0x8000
+
+/* TISR register bits */
+#define TIIS	0x1
+#define TPIAS	0x2
+#define TPIBS	0x4
+#define TWIS	0x8
+
+
+/* 
+ *	Interrupt Controller Registers
+ */
+#define TX4938_IRQCTL_DEN 0xF600		/* Interrupt Detection Enable Register */
+#define TX4938_IRQCTL_DM0 0xF604		/* Interrupt Detection Mode Register 0 */
+#define TX4938_IRQCTL_DM1 0xF608		/* Interrupt Detection Mode Register 1 */
+#define TX4938_IRQCTL_LVL0 0xF610		/* Interrupt Level Register 0 */
+#define TX4938_IRQCTL_LVL1 0xF614		/* Interrupt Level Register 1 */
+#define TX4938_IRQCTL_LVL2 0xF618		/* Interrupt Level Register 2 */
+#define TX4938_IRQCTL_LVL3 0xF61C		/* Interrupt Level Register 3 */
+#define TX4938_IRQCTL_LVL4 0xF620		/* Interrupt Level Register 4 */
+#define TX4938_IRQCTL_LVL5 0xF624		/* Interrupt Level Register 5 */
+#define TX4938_IRQCTL_LVL6 0xF628		/* Interrupt Level Register 6 */
+#define TX4938_IRQCTL_LVL7 0xF62C		/* Interrupt Level Register 7 */
+#define TX4938_IRQCTL_MSK 0xF640		/* Interrupt Mask Register */
+#define TX4938_IRQCTL_EDC 0xF660		/* Interrupt Edge Detection Clear Register */
+#define TX4938_IRQCTL_PND 0xF680		/* Interrupt Pending Register */
+#define TX4938_IRQCTL_CS 0xF6A0			/* Interrupt Current Status Register */
+#define TX4938_IRQCTL_FLAG0 0xF510		/* Interrupt Request Flag Register 0 */
+#define TX4938_IRQCTL_FLAG1 0xF514		/* Interrupt Request Flag Register 1 */
+#define TX4938_IRQCTL_POL 0xF518		/* Interrupt Request Polarity Control Register */
+#define TX4938_IRQCTL_RCNT 0xF51C		/* Interrupt Request Control Register */
+#define TX4938_IRQCTL_MASKINT 0xF520	/* Interrupt Request Internal Interrupt Mask Register */
+#define TX4938_IRQCTL_MASKEXT 0xF524	/* Interrupt Request External Interrupt Mask Register */
+
+#define TX4938_REG_READ( _base, _register ) \
+  *((volatile uint32_t *)((_base) + (_register)))
+
+#define TX4938_REG_WRITE( _base, _register, _value ) \
+  *((volatile uint32_t *)((_base) + (_register))) = (_value)
+
+/*
+ *  Interrupt Vector Numbers
+ *
+ */
+#define TX4938_IRQ_ECC         MIPS_INTERRUPT_BASE+0
+#define TX4938_IRQ_WTE         MIPS_INTERRUPT_BASE+1
+#define TX4938_IRQ_INT0        MIPS_INTERRUPT_BASE+2
+#define TX4938_IRQ_INT1        MIPS_INTERRUPT_BASE+3
+#define TX4938_IRQ_INT2        MIPS_INTERRUPT_BASE+4
+#define TX4938_IRQ_INT3        MIPS_INTERRUPT_BASE+5
+#define TX4938_IRQ_INT4        MIPS_INTERRUPT_BASE+6
+#define TX4938_IRQ_INT5        MIPS_INTERRUPT_BASE+7
+#define TX4938_IRQ_SIO0        MIPS_INTERRUPT_BASE+8
+#define TX4938_IRQ_SIO1        MIPS_INTERRUPT_BASE+9
+#define TX4938_IRQ_DMAC00      MIPS_INTERRUPT_BASE+10
+#define TX4938_IRQ_DMAC01      MIPS_INTERRUPT_BASE+11
+#define TX4938_IRQ_DMAC02      MIPS_INTERRUPT_BASE+12
+#define TX4938_IRQ_DMAC03      MIPS_INTERRUPT_BASE+13
+#define TX4938_IRQ_IRC         MIPS_INTERRUPT_BASE+14
+#define TX4938_IRQ_PDMAC       MIPS_INTERRUPT_BASE+15
+#define TX4938_IRQ_PCIC        MIPS_INTERRUPT_BASE+16
+#define TX4938_IRQ_TMR0        MIPS_INTERRUPT_BASE+17
+#define TX4938_IRQ_TMR1        MIPS_INTERRUPT_BASE+18
+#define TX4938_IRQ_TMR2        MIPS_INTERRUPT_BASE+19
+#define TX4938_IRQ_RSV1        MIPS_INTERRUPT_BASE+20
+#define TX4938_IRQ_NDFMC       MIPS_INTERRUPT_BASE+21
+#define TX4938_IRQ_PCIERR      MIPS_INTERRUPT_BASE+22
+#define TX4938_IRQ_PCIPMC      MIPS_INTERRUPT_BASE+23
+#define TX4938_IRQ_ACLC        MIPS_INTERRUPT_BASE+24
+#define TX4938_IRQ_ACLCPME     MIPS_INTERRUPT_BASE+25
+#define TX4938_IRQ_PCIC1NT     MIPS_INTERRUPT_BASE+26
+#define TX4938_IRQ_ACLCPME     MIPS_INTERRUPT_BASE+27
+#define TX4938_IRQ_DMAC10      MIPS_INTERRUPT_BASE+28
+#define TX4938_IRQ_DMAC11      MIPS_INTERRUPT_BASE+29
+#define TX4938_IRQ_DMAC12      MIPS_INTERRUPT_BASE+30
+#define TX4938_IRQ_DMAC13      MIPS_INTERRUPT_BASE+31
+
+#define TX4938_IRQ_SOFTWARE_1  MIPS_INTERRUPT_BASE+32
+#define TX4938_IRQ_SOFTWARE_2  MIPS_INTERRUPT_BASE+33
+#define TX4938_MAXIMUM_VECTORS MIPS_INTERRUPT_BASE+34
+
+/************************************************************************
+ *      TX49 Register field encodings
+*************************************************************************/
+/******** reg: CCFG ********/
+/* field: PCIDIVMODE */
+#define TX4938_CCFG_SYSSP_SHF  6
+#define TX4938_CCFG_SYSSP_MSK  (MSK(2) << TX4938_CCFG_SYSSP_SHF)
+
+/* field: PCI1DMD */
+#define TX4938_CCFG_PCI1DMD_SHF  8
+#define TX4938_CCFG_PCI1DMD_MSK  (MSK(1) << TX4938_CCFG_PCI1DMD_SHF)
+
+/* field: PCIDIVMODE */
+#define TX4938_CCFG_PCIDIVMODE_SHF  10
+#define TX4938_CCFG_PCIDIVMODE_MSK  (MSK(3) << TX4938_CCFG_PCIDIVMODE_SHF)
+
+/* field: PCI1-66 */
+#define TX4938_CCFG_PCI166_SHF  21
+#define TX4938_CCFG_PCI166_MSK  ((UINT64)MSK(1) << TX4938_CCFG_PCI166_SHF)
+
+/* field: PCIMODE */
+#define TX4938_CCFG_PCIMODE_SHF  22
+#define TX4938_CCFG_PCIMODE_MSK  ((UINT64)MSK(1) << TX4938_CCFG_PCIMODE_SHF)
+
+/* field: BRDTY */
+#define TX4938_CCFG_BRDTY_SHF  36
+#define TX4938_CCFG_RRDTY_MSK  ((UINT64)MSK(4) << TX4938_CCFG_BRDTY_SHF)
+
+/* field: BRDRV */
+#define TX4938_CCFG_BRDRV_SHF  32
+#define TX4938_CCFG_BRDRV_MSK  ((UINT64)MSK(4) << TX4938_CCFG_BRDRV_SHF)
+
+/******** reg: CLKCTR ********/
+/* field: PCIC1RST */
+#define TX4938_CLKCTR_PCIC1RST_SHF  11
+#define TX4938_CLKCTR_PCIC1RST_MSK  (MSK(1) << TX4938_CLKCTR_PCIC1RST_SHF)
+
+/******** reg: PCISTATUS ********/
+/* field: MEMSP */
+#define TX4938_PCI_PCISTATUS_MEMSP_SHF 1
+#define TX4938_PCI_PCISTATUS_MEMSP_MSK (MSK(1) << TX4938_PCI_PCISTATUS_MEMSP_SHF)
+
+/* field: BM */
+#define TX4938_PCI_PCISTATUS_BM_SHF    2
+#define TX4938_PCI_PCISTATUS_BM_MSK    (MSK(1) << TX4938_PCI_PCISTATUS_BM_SHF)
+
+/******** reg: PBACFG ********/
+/* field: RPBA */
+#define TX4938_PCI_PBACFG_RPBA_SHF     2
+#define TX4938_PCI_PBACFG_RPBA_MSK    (MSK(1) << TX4938_PCI_PBACFG_RPBA_SHF)
+
+/* field: PBAEN */
+#define TX4938_PCI_PBACFG_PBAEN_SHF    1
+#define TX4938_PCI_PBACFG_PBAEN_MSK   (MSK(1) << TX4938_PCI_PBACFG_PBAEN_SHF)
+
+/******** reg: PCICFG ********/
+/* field: G2PM0EN */
+#define TX4938_PCI_PCICFG_G2PM0EN_SHF  6
+#define TX4938_PCI_PCICFG_G2PM0EN_MSK (MSK(1) << TX4938_PCI_PCICFG_G2PM0EN_SHF)
+
+/* field: G2PIOEN */
+#define TX4938_PCI_PCICFG_G2PIOEN_SHF  5
+#define TX4938_PCI_PCICFG_G2PIOEN_MSK (MSK(1) << TX4938_PCI_PCICFG_G2PIOEN_SHF)
+
+/* field: TCAR */
+#define TX4938_PCI_PCICFG_TCAR_SHF  4
+#define TX4938_PCI_PCICFG_TCAR_MSK (MSK(1) << TX4938_PCI_PCICFG_TCAR_SHF)
+
+
+#endif
diff --git a/c/src/lib/libcpu/mips/tx49/vectorisrs/maxvectors.c b/c/src/lib/libcpu/mips/tx49/vectorisrs/maxvectors.c
new file mode 100644
index 0000000000..43fa34f8d1
--- /dev/null
+++ b/c/src/lib/libcpu/mips/tx49/vectorisrs/maxvectors.c
@@ -0,0 +1,30 @@
+/* 
+ *  This file contains the maximum number of vectors.  This can not
+ *  be determined without knowing the RTEMS CPU model. 
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  maxvectors.c,v 1.1.6.1 2003/09/04 18:45:49 joel Exp
+ */
+
+/*
+ *  Reserve first 32 for exceptions.
+ */
+
+/*
+ *  The Toshiba TX4925 attaches 5 of the eight interrupt bits to an
+ *  on-CPU interrupt controller so that these five bits map to 32
+ *  unique interrupts.  So you have: 2 software interrupts, an NMI,
+ *  and 32 others.
+ */
+
+#include <rtems.h>
+#include <libcpu/tx4925.h>
+
+unsigned int mips_interrupt_number_of_vectors = TX4925_MAXIMUM_VECTORS;
+
diff --git a/c/src/lib/libcpu/mips/tx49/vectorisrs/vectorisrs.c b/c/src/lib/libcpu/mips/tx49/vectorisrs/vectorisrs.c
new file mode 100644
index 0000000000..b43e08dbf0
--- /dev/null
+++ b/c/src/lib/libcpu/mips/tx49/vectorisrs/vectorisrs.c
@@ -0,0 +1,61 @@
+/*
+ *  TX4925 Interrupt Vectoring 
+ *
+ *  vectorisrs.c,v 1.6 2004/06/23 18:16:36
+ */
+
+#include <rtems.h>
+#include <stdlib.h>
+#include <libcpu/tx4925.h>
+
+void mips_default_isr( int vector );
+
+#define CALL_ISR(_vector,_frame) \
+  do { \
+    if ( _ISR_Vector_table[_vector] ) \
+      (_ISR_Vector_table[_vector])(_vector,_frame); \
+    else \
+      mips_default_isr(_vector); \
+  } while (0)
+
+#include <rtems/bspIo.h>  /* for printk */
+
+void mips_vector_isr_handlers( CPU_Interrupt_frame *frame )
+{
+  unsigned int sr;
+  unsigned int cause;
+  unsigned int pending;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  pending = (cause & sr & 0x700) >> CAUSE_IPSHIFT;
+
+  if ( pending & 0x4 ) {     /* (IP[2] == 1) ==> IP[3-7] are valid */
+    unsigned int v = (cause >> (CAUSE_IPSHIFT + 3)) & 0x1f;
+    CALL_ISR( MIPS_INTERRUPT_BASE + v, frame );
+  }
+   
+  if ( pending & 0x01 )       /* IP[0] */
+    CALL_ISR( TX4925_IRQ_SOFTWARE_1, frame );
+
+  if ( pending & 0x02 )       /* IP[1] */
+    CALL_ISR( TX4925_IRQ_SOFTWARE_2, frame );
+}
+
+void mips_default_isr( int vector )
+{
+  unsigned int sr;
+  unsigned int cause;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  printk( "Unhandled isr exception: vector 0x%02x, cause 0x%08X, sr 0x%08X\n",
+      vector, cause, sr );
+  
+  while(1);	/* Lock it up */
+  
+  rtems_fatal_error_occurred(1);
+}
+