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| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2012-02-14 22:49:49 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2012-04-24 23:58:30 -0500 |
| commit | 64829baf04cfbe6f686b0335821980af787921d1 (patch) | |
| tree | 06a15f06228aa019d7eb66eb387c41cb12f2600f | |
| parent | a4107f86173256e6c8710af717805512f5dbbf85 (diff) | |
| download | u-boot-imx-64829baf04cfbe6f686b0335821980af787921d1.zip u-boot-imx-64829baf04cfbe6f686b0335821980af787921d1.tar.gz u-boot-imx-64829baf04cfbe6f686b0335821980af787921d1.tar.bz2 | |
powerpc/85xx:Fix IVORs addr after vector table relocation
After relocation of vector table in SDRAM's lower address, IVORs value should
be updated with new handler addresses.
As vector tables are relocated to 0x100,0x200... 0xf00 address in DDR.IVORs
are updated with 0x100, 0x200,....f00 hard-coded values.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 2b29364..93de9df 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -1493,6 +1493,39 @@ 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 |