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authorGreg Watson <gwatson@lanl.gov>2005-10-20 01:44:21 +0000
committerGreg Watson <gwatson@lanl.gov>2005-10-20 01:44:21 +0000
commit8d4edc2fcd003990228f505ce717c32b45831f2d (patch)
tree3024ed9def3ae2572c42d45facf5cf7259325f6c /src/arch/ppc/lib/setup.c
parent58cb0bf1dfe1fa39760c3edcc68146fe6ed9d474 (diff)
changes to support new ppc arch
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2064 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/ppc/lib/setup.c')
-rw-r--r--src/arch/ppc/lib/setup.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/arch/ppc/lib/setup.c b/src/arch/ppc/lib/setup.c
deleted file mode 100644
index 3e197b37df..0000000000
--- a/src/arch/ppc/lib/setup.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* Copyright 2000 AG Electronics Ltd. */
-/* This code is distributed without warranty under the GPL v2 (see COPYING) */
-
-#include "ppc.h"
-#include "ppcreg.h"
-
-unsigned ppc_getmsr(void)
-{
- unsigned result;
- __asm__ volatile ("mfmsr %0" : "=r" (result));
- return result;
-}
-
-unsigned ppc_gethid0(void)
-{
- unsigned result;
- __asm__ volatile ("mfspr %0,1008" : "=r" (result));
- return result;
-}
-
-unsigned ppc_gethid1(void)
-{
- unsigned result;
- __asm__ volatile ("mfspr %0,1009" : "=r" (result));
- return result;
-}
-
-void ppc_sethid0(unsigned value)
-{
- __asm__ volatile ("mtspr 1008,%0" : : "r" (value));
-}
-
-unsigned ppc_getpvr(void)
-{
- unsigned result;
- __asm__("mfspr %0, 287" : "=r" (result));
- return result;
-}
-
-void ppc_setmsr(unsigned value)
-{
- __asm__ volatile ("mtmsr %0; sync" :: "r" (value));
-}
-
-void ppc_set1015(unsigned value)
-{
- __asm__ volatile ("mtspr 1015,%0" : : "r" (value));
-}
-
-extern void ppc_init_float_registers(const double *);
-/*RODATA static const double dummy_float = 1.0;*/
-static const double dummy_float = 1.0;
-
-#define HID0_DCACHE HID0_DCE
-#define MSR_DATA MSR_DR
-
-void ppc_setup_cpu(int icache)
-{
- int type = ppc_getpvr() >> 16;
- int version = ppc_getpvr() & 0xffff;
-
- if (type == 0xc)
- {
- if (version == 0x0200)
- ppc_set1015(0x19000004);
- else if (((version & 0xff00) == 0x0200) &&
- (version != 0x0209))
- ppc_set1015(0x01000000);
- }
- if (icache)
- {
- ppc_sethid0(HID0_NHR | HID0_BHT | HID0_ICE | HID0_ICFI
- | HID0_BTIC | HID0_DCACHE);
- ppc_sethid0(HID0_DPM | HID0_NHR | HID0_BHT | HID0_ICE
- | HID0_BTIC | HID0_DCACHE);
- }
- else
- {
- ppc_sethid0(HID0_DPM | HID0_NHR | HID0_BHT | HID0_BTIC
- | HID0_DCACHE);
- }
-#if 1
- /* if (type == 8 || type == 12) */
- {
- ppc_setmsr(MSR_FP | MSR_DATA);
- ppc_init_float_registers(&dummy_float);
- }
-#endif
-}
-
-void ppc_enable_dcache(void)
-{
- /*
- * Already enabled in crt0.S
- */
-#if 0
- unsigned hid0 = ppc_gethid0();
- ppc_sethid0(hid0 | HID0_DCFI | HID0_DCE);
- ppc_sethid0(hid0 | HID0_DCE);
-#endif
-}
-
-void ppc_disable_dcache(void)
-{
- unsigned hid0 = ppc_gethid0();
- ppc_sethid0(hid0 & ~HID0_DCE);
-}
-
-void ppc_enable_mmu(void)
-{
- unsigned msr = ppc_getmsr();
- ppc_setmsr(msr | MSR_DR | MSR_IR);
-}
-
-void make_coherent(void *base, unsigned length)
-{
- unsigned hid0 = ppc_gethid0();
-
- if (hid0 & HID0_DCE)
- {
- unsigned i;
- unsigned offset = 0x1f & (unsigned) base;
- unsigned adjusted_base = (unsigned) base & ~0x1f;
- for(i = 0; i < length + offset; i+= 32)
- __asm__ volatile ("dcbf %1,%0" : : "r" (adjusted_base), "r" (i));
- if (hid0 & HID0_ICE)
- for(i = 0; i < length + offset; i+= 32)
- __asm__ volatile ("icbi %1,%0" : : "r" (adjusted_base), "r" (i));
- }
-}