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Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
-rw-r--r--arch/powerpc/kernel/prom_init.c80
1 files changed, 8 insertions, 72 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index b72849ac7db..2445945d376 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -487,67 +487,6 @@ static int __init prom_setprop(phandle node, const char *nodename,
return call_prom("interpret", 1, 1, (u32)(unsigned long) cmd);
}
-/* We can't use the standard versions because of RELOC headaches. */
-#define isxdigit(c) (('0' <= (c) && (c) <= '9') \
- || ('a' <= (c) && (c) <= 'f') \
- || ('A' <= (c) && (c) <= 'F'))
-
-#define isdigit(c) ('0' <= (c) && (c) <= '9')
-#define islower(c) ('a' <= (c) && (c) <= 'z')
-#define toupper(c) (islower(c) ? ((c) - 'a' + 'A') : (c))
-
-unsigned long prom_strtoul(const char *cp, const char **endp)
-{
- unsigned long result = 0, base = 10, value;
-
- if (*cp == '0') {
- base = 8;
- cp++;
- if (toupper(*cp) == 'X') {
- cp++;
- base = 16;
- }
- }
-
- while (isxdigit(*cp) &&
- (value = isdigit(*cp) ? *cp - '0' : toupper(*cp) - 'A' + 10) < base) {
- result = result * base + value;
- cp++;
- }
-
- if (endp)
- *endp = cp;
-
- return result;
-}
-
-unsigned long prom_memparse(const char *ptr, const char **retptr)
-{
- unsigned long ret = prom_strtoul(ptr, retptr);
- int shift = 0;
-
- /*
- * We can't use a switch here because GCC *may* generate a
- * jump table which won't work, because we're not running at
- * the address we're linked at.
- */
- if ('G' == **retptr || 'g' == **retptr)
- shift = 30;
-
- if ('M' == **retptr || 'm' == **retptr)
- shift = 20;
-
- if ('K' == **retptr || 'k' == **retptr)
- shift = 10;
-
- if (shift) {
- ret <<= shift;
- (*retptr)++;
- }
-
- return ret;
-}
-
/*
* Early parsing of the command line passed to the kernel, used for
* "mem=x" and the options that affect the iommu
@@ -1321,7 +1260,7 @@ static void __init prom_initialize_tce_table(void)
*
* -- Cort
*/
-extern void __secondary_hold(void);
+extern char __secondary_hold;
extern unsigned long __secondary_hold_spinloop;
extern unsigned long __secondary_hold_acknowledge;
@@ -1342,13 +1281,7 @@ static void __init prom_hold_cpus(void)
= (void *) LOW_ADDR(__secondary_hold_spinloop);
unsigned long *acknowledge
= (void *) LOW_ADDR(__secondary_hold_acknowledge);
-#ifdef CONFIG_PPC64
- /* __secondary_hold is actually a descriptor, not the text address */
- unsigned long secondary_hold
- = __pa(*PTRRELOC((unsigned long *)__secondary_hold));
-#else
unsigned long secondary_hold = LOW_ADDR(__secondary_hold);
-#endif
prom_debug("prom_hold_cpus: start...\n");
prom_debug(" 1) spinloop = 0x%x\n", (unsigned long)spinloop);
@@ -2315,13 +2248,14 @@ static void __init prom_check_initrd(unsigned long r3, unsigned long r4)
unsigned long __init prom_init(unsigned long r3, unsigned long r4,
unsigned long pp,
- unsigned long r6, unsigned long r7)
+ unsigned long r6, unsigned long r7,
+ unsigned long kbase)
{
struct prom_t *_prom;
unsigned long hdr;
- unsigned long offset = reloc_offset();
#ifdef CONFIG_PPC32
+ unsigned long offset = reloc_offset();
reloc_got2(offset);
#endif
@@ -2355,9 +2289,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
*/
RELOC(of_platform) = prom_find_machine_type();
+#ifndef CONFIG_RELOCATABLE
/* Bail if this is a kdump kernel. */
if (PHYSICAL_START > 0)
prom_panic("Error: You can't boot a kdump kernel from OF!\n");
+#endif
/*
* Check for an initrd
@@ -2377,7 +2313,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
* Copy the CPU hold code
*/
if (RELOC(of_platform) != PLATFORM_POWERMAC)
- copy_and_flush(0, KERNELBASE + offset, 0x100, 0);
+ copy_and_flush(0, kbase, 0x100, 0);
/*
* Do early parsing of command line
@@ -2480,7 +2416,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
reloc_got2(-offset);
#endif
- __start(hdr, KERNELBASE + offset, 0);
+ __start(hdr, kbase, 0);
return 0;
}