diff options
| author | Matt Porter <mporter@kernel.crashing.org> | 2005-07-31 22:34:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-01 19:14:01 -0700 |
| commit | c9cf73aee140baa425429902aaed2c758401343f (patch) | |
| tree | 7e28361e87950e7e66a453e4218745a4b0912119 /arch/ppc/kernel/head_44x.S | |
| parent | e8be1c8e065691c332fd8e9bae70c7096a69c31d (diff) | |
[PATCH] ppc32: add 440ep support
Add PPC440EP core support. PPC440EP is a PPC440-based SoC with a classic PPC
FPU and another set of peripherals.
Signed-off-by: Wade Farnsworth <wfarnsworth@mvista.com>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ppc/kernel/head_44x.S')
| -rw-r--r-- | arch/ppc/kernel/head_44x.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S index 72ee8f33bde..69ff3a9961e 100644 --- a/arch/ppc/kernel/head_44x.S +++ b/arch/ppc/kernel/head_44x.S @@ -190,7 +190,9 @@ skpinv: addi r4,r4,1 /* Increment */ /* xlat fields */ lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */ +#ifndef CONFIG_440EP ori r4,r4,0x0001 /* ERPN is 1 for second 4GB page */ +#endif /* attrib fields */ li r5,0 @@ -228,6 +230,16 @@ skpinv: addi r4,r4,1 /* Increment */ lis r4,interrupt_base@h /* IVPR only uses the high 16-bits */ mtspr SPRN_IVPR,r4 +#ifdef CONFIG_440EP + /* Clear DAPUIB flag in CCR0 (enable APU between CPU and FPU) */ + mfspr r2,SPRN_CCR0 + lis r3,0xffef + ori r3,r3,0xffff + and r2,r2,r3 + mtspr SPRN_CCR0,r2 + isync +#endif + /* * This is where the main kernel code starts. */ |