diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 112 |
1 files changed, 79 insertions, 33 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 4d37d6e86..8e99ef6c6 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -1,5 +1,5 @@ /* - * Copyright 2004, 2007-2011 Freescale Semiconductor, Inc. + * Copyright 2004, 2007-2012 Freescale Semiconductor, Inc. * Copyright (C) 2003 Motorola,Inc. * * See file CREDITS for list of people who contributed to this @@ -179,41 +179,50 @@ l2_disabled: andi. r1,r3,L1CSR0_DCE@l beq 2b +/* + * Ne need to setup interrupt vector for NAND SPL + * because NAND SPL never compiles it. + */ +#if !defined(CONFIG_NAND_SPL) /* Setup interrupt vectors */ lis r1,CONFIG_SYS_MONITOR_BASE@h mtspr IVPR,r1 - li r1,0x0100 - mtspr IVOR0,r1 /* 0: Critical input */ - li r1,0x0200 - mtspr IVOR1,r1 /* 1: Machine check */ - li r1,0x0300 - mtspr IVOR2,r1 /* 2: Data storage */ - li r1,0x0400 - mtspr IVOR3,r1 /* 3: Instruction storage */ - li r1,0x0500 - mtspr IVOR4,r1 /* 4: External interrupt */ - li r1,0x0600 - mtspr IVOR5,r1 /* 5: Alignment */ - li r1,0x0700 - mtspr IVOR6,r1 /* 6: Program check */ - li r1,0x0800 - mtspr IVOR7,r1 /* 7: floating point unavailable */ - li r1,0x0900 - mtspr IVOR8,r1 /* 8: System call */ + lis r3,(CONFIG_SYS_MONITOR_BASE & 0xffff)@h + ori r3,r3,(CONFIG_SYS_MONITOR_BASE & 0xffff)@l + + addi r4,r3,CriticalInput - _start + _START_OFFSET + mtspr IVOR0,r4 /* 0: Critical input */ + addi r4,r3,MachineCheck - _start + _START_OFFSET + mtspr IVOR1,r4 /* 1: Machine check */ + addi r4,r3,DataStorage - _start + _START_OFFSET + mtspr IVOR2,r4 /* 2: Data storage */ + addi r4,r3,InstStorage - _start + _START_OFFSET + mtspr IVOR3,r4 /* 3: Instruction storage */ + addi r4,r3,ExtInterrupt - _start + _START_OFFSET + mtspr IVOR4,r4 /* 4: External interrupt */ + addi r4,r3,Alignment - _start + _START_OFFSET + mtspr IVOR5,r4 /* 5: Alignment */ + addi r4,r3,ProgramCheck - _start + _START_OFFSET + mtspr IVOR6,r4 /* 6: Program check */ + addi r4,r3,FPUnavailable - _start + _START_OFFSET + mtspr IVOR7,r4 /* 7: floating point unavailable */ + addi r4,r3,SystemCall - _start + _START_OFFSET + mtspr IVOR8,r4 /* 8: System call */ /* 9: Auxiliary processor unavailable(unsupported) */ - li r1,0x0a00 - mtspr IVOR10,r1 /* 10: Decrementer */ - li r1,0x0b00 - mtspr IVOR11,r1 /* 11: Interval timer */ - li r1,0x0c00 - mtspr IVOR12,r1 /* 12: Watchdog timer */ - li r1,0x0d00 - mtspr IVOR13,r1 /* 13: Data TLB error */ - li r1,0x0e00 - mtspr IVOR14,r1 /* 14: Instruction TLB error */ - li r1,0x0f00 - mtspr IVOR15,r1 /* 15: Debug */ + addi r4,r3,Decrementer - _start + _START_OFFSET + mtspr IVOR10,r4 /* 10: Decrementer */ + addi r4,r3,IntervalTimer - _start + _START_OFFSET + mtspr IVOR11,r4 /* 11: Interval timer */ + addi r4,r3,WatchdogTimer - _start + _START_OFFSET + mtspr IVOR12,r4 /* 12: Watchdog timer */ + addi r4,r3,DataTLBError - _start + _START_OFFSET + mtspr IVOR13,r4 /* 13: Data TLB error */ + addi r4,r3,InstructionTLBError - _start + _START_OFFSET + mtspr IVOR14,r4 /* 14: Instruction TLB error */ + addi r4,r3,DebugBreakpoint - _start + _START_OFFSET + mtspr IVOR15,r4 /* 15: Debug */ +#endif /* Clear and set up some registers. */ li r0,0x0000 @@ -434,13 +443,15 @@ create_ccsr_new_tlb: ori r2, r2, FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, (MAS2_I|MAS2_G))@l lis r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS_LOW, 0, (MAS3_SW|MAS3_SR))@h ori r3, r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS_LOW, 0, (MAS3_SW|MAS3_SR))@l +#ifdef CONFIG_ENABLE_36BIT_PHYS lis r7, CONFIG_SYS_CCSRBAR_PHYS_HIGH@h ori r7, r7, CONFIG_SYS_CCSRBAR_PHYS_HIGH@l + mtspr MAS7, r7 +#endif mtspr MAS0, r0 mtspr MAS1, r1 mtspr MAS2, r2 mtspr MAS3, r3 - mtspr MAS7, r7 isync msync tlbwe @@ -456,12 +467,14 @@ create_ccsr_old_tlb: ori r2, r2, FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR + 0x1000, (MAS2_I|MAS2_G))@l lis r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, (MAS3_SW|MAS3_SR))@h ori r3, r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, (MAS3_SW|MAS3_SR))@l +#ifdef CONFIG_ENABLE_36BIT_PHYS li r7, 0 /* The default CCSR address is always a 32-bit number */ + mtspr MAS7, r7 +#endif mtspr MAS0, r0 /* MAS1 is the same as above */ mtspr MAS2, r2 mtspr MAS3, r3 - mtspr MAS7, r7 isync msync tlbwe @@ -1490,6 +1503,39 @@ trap_init: cmplw 0,r7,r8 blt 2b + /* Update IVORs as per relocated vector table address */ + li r7,0x0100 + mtspr IVOR0,r7 /* 0: Critical input */ + li r7,0x0200 + mtspr IVOR1,r7 /* 1: Machine check */ + li r7,0x0300 + mtspr IVOR2,r7 /* 2: Data storage */ + li r7,0x0400 + mtspr IVOR3,r7 /* 3: Instruction storage */ + li r7,0x0500 + mtspr IVOR4,r7 /* 4: External interrupt */ + li r7,0x0600 + mtspr IVOR5,r7 /* 5: Alignment */ + li r7,0x0700 + mtspr IVOR6,r7 /* 6: Program check */ + li r7,0x0800 + mtspr IVOR7,r7 /* 7: floating point unavailable */ + li r7,0x0900 + mtspr IVOR8,r7 /* 8: System call */ + /* 9: Auxiliary processor unavailable(unsupported) */ + li r7,0x0a00 + mtspr IVOR10,r7 /* 10: Decrementer */ + li r7,0x0b00 + mtspr IVOR11,r7 /* 11: Interval timer */ + li r7,0x0c00 + mtspr IVOR12,r7 /* 12: Watchdog timer */ + li r7,0x0d00 + mtspr IVOR13,r7 /* 13: Data TLB error */ + li r7,0x0e00 + mtspr IVOR14,r7 /* 14: Instruction TLB error */ + li r7,0x0f00 + mtspr IVOR15,r7 /* 15: Debug */ + lis r7,0x0 mtspr IVPR,r7 |