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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
parent58cb0bf1dfe1fa39760c3edcc68146fe6ed9d474 (diff)
downloadcoreboot-8d4edc2fcd003990228f505ce717c32b45831f2d.tar.xz
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')
-rw-r--r--src/arch/ppc/include/board.h1
-rwxr-xr-xsrc/arch/ppc/include/ppc74xx.h12
-rwxr-xr-xsrc/arch/ppc/include/ppc750.h11
-rw-r--r--src/arch/ppc/include/sdram.h2
-rw-r--r--src/arch/ppc/lib/Config.lb4
-rw-r--r--src/arch/ppc/lib/ppc.c49
-rw-r--r--src/arch/ppc/lib/setup.c130
7 files changed, 76 insertions, 133 deletions
diff --git a/src/arch/ppc/include/board.h b/src/arch/ppc/include/board.h
index 7eba34177a..ea840c920f 100644
--- a/src/arch/ppc/include/board.h
+++ b/src/arch/ppc/include/board.h
@@ -6,4 +6,5 @@
* happens prior to entry into hardwaremain().
*/
extern void board_init(void);
+extern void board_init2(void);
#endif /* _BOARD_H */
diff --git a/src/arch/ppc/include/ppc74xx.h b/src/arch/ppc/include/ppc74xx.h
index 121efbe28d..2dfeb5ab21 100755
--- a/src/arch/ppc/include/ppc74xx.h
+++ b/src/arch/ppc/include/ppc74xx.h
@@ -30,3 +30,15 @@
#define HID0_SGE 0x00000080
#define HID0_BTIC 0x00000020
#define HID0_BHT 0x00000004
+
+/*----------------------------------------------------------------------------+
+| Machine State Register. MSR_EE, MSR_PR, MSR_FP, MSR_ME, MSR_FE0, MSR_FE1,
++----------------------------------------------------------------------------*/
+#define MSR_APE 0x00080000 /* wait state enable */
+#define MSR_WE 0x00040000 /* wait state enable */
+#define MSR_CE 0x00020000 /* critical interrupt enable */
+#define MSR_DWE 0x00000400 /* debug wait enable */
+#define MSR_DE 0x00000200 /* debug interrupt enable */
+#define MSR_IR 0x00000020 /* instruction relocale */
+#define MSR_DR 0x00000010 /* data relocale */
+
diff --git a/src/arch/ppc/include/ppc750.h b/src/arch/ppc/include/ppc750.h
index 05fa37e894..2dfeb5ab21 100755
--- a/src/arch/ppc/include/ppc750.h
+++ b/src/arch/ppc/include/ppc750.h
@@ -31,3 +31,14 @@
#define HID0_BTIC 0x00000020
#define HID0_BHT 0x00000004
+/*----------------------------------------------------------------------------+
+| Machine State Register. MSR_EE, MSR_PR, MSR_FP, MSR_ME, MSR_FE0, MSR_FE1,
++----------------------------------------------------------------------------*/
+#define MSR_APE 0x00080000 /* wait state enable */
+#define MSR_WE 0x00040000 /* wait state enable */
+#define MSR_CE 0x00020000 /* critical interrupt enable */
+#define MSR_DWE 0x00000400 /* debug wait enable */
+#define MSR_DE 0x00000200 /* debug interrupt enable */
+#define MSR_IR 0x00000020 /* instruction relocale */
+#define MSR_DR 0x00000010 /* data relocale */
+
diff --git a/src/arch/ppc/include/sdram.h b/src/arch/ppc/include/sdram.h
index 848cfe2e42..f8dca83344 100644
--- a/src/arch/ppc/include/sdram.h
+++ b/src/arch/ppc/include/sdram.h
@@ -5,5 +5,5 @@
* Provided for all PPC boards to do SDRAM initialization. This
* happens prior to entry into hardwaremain().
*/
-extern void sdram_init(void);
+extern void memory_init(void);
#endif /* _SDRAM_H */
diff --git a/src/arch/ppc/lib/Config.lb b/src/arch/ppc/lib/Config.lb
index e501592683..b174032b8e 100644
--- a/src/arch/ppc/lib/Config.lb
+++ b/src/arch/ppc/lib/Config.lb
@@ -1,10 +1,10 @@
object c_start.S
-object setup.o
object pci_ppc_conf1_ops.o
object pci_dev.o
object timer.o
object cpuid.o
object cpu.o
+object ppc.o
object timebase.S
object floats.S
object div64.S
@@ -12,6 +12,6 @@ initobject pci_dev.o
initobject printk_init.o
initobject timebase.S
initobject timer.o
-initobject setup.o
initobject floats.S
initobject div64.S
+initobject ppc.o
diff --git a/src/arch/ppc/lib/ppc.c b/src/arch/ppc/lib/ppc.c
new file mode 100644
index 0000000000..6222536864
--- /dev/null
+++ b/src/arch/ppc/lib/ppc.c
@@ -0,0 +1,49 @@
+/* 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));
+}
+
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));
- }
-}