diff options
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
-rw-r--r-- | arch/powerpc/kernel/prom_init.c | 90 |
1 files changed, 13 insertions, 77 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b72849ac7db..23e0db20332 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 @@ -732,7 +671,7 @@ static struct fake_elf { u32 ignore_me; } rpadesc; } rpanote; -} fake_elf = { +} fake_elf __section(.fakeelf) = { .elfhdr = { .e_ident = { 0x7f, 'E', 'L', 'F', ELFCLASS32, ELFDATA2MSB, EV_CURRENT }, @@ -774,13 +713,13 @@ static struct fake_elf { .type = 0x12759999, .name = "IBM,RPA-Client-Config", .rpadesc = { - .lpar_affinity = 0, - .min_rmo_size = 64, /* in megabytes */ + .lpar_affinity = 1, + .min_rmo_size = 128, /* in megabytes */ .min_rmo_percent = 0, - .max_pft_size = 48, /* 2^48 bytes max PFT size */ + .max_pft_size = 46, /* 2^46 bytes max PFT size */ .splpar = 1, .min_load = ~0U, - .new_mem_def = 0 + .new_mem_def = 1 } } }; @@ -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; } |