diff options
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 42 | ||||
| -rw-r--r-- | arch/ppc/boot/of1275/claim.c | 1 | ||||
| -rw-r--r-- | arch/ppc/boot/openfirmware/chrpmain.c | 2 |
3 files changed, 30 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index debe9734636e..2ad9947bd675 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -145,11 +145,11 @@ typedef u32 cell_t; extern void __start(unsigned long r3, unsigned long r4, unsigned long r5); #ifdef CONFIG_PPC64 -extern void enter_prom(struct prom_args *args, unsigned long entry); +extern int enter_prom(struct prom_args *args, unsigned long entry); #else -static inline void enter_prom(struct prom_args *args, unsigned long entry) +static inline int enter_prom(struct prom_args *args, unsigned long entry) { - ((void (*)(struct prom_args *))entry)(args); + return ((int (*)(struct prom_args *))entry)(args); } #endif @@ -241,7 +241,8 @@ static int __init call_prom(const char *service, int nargs, int nret, ...) for (i = 0; i < nret; i++) args.args[nargs+i] = 0; - enter_prom(&args, RELOC(prom_entry)); + if (enter_prom(&args, RELOC(prom_entry)) < 0) + return PROM_ERROR; return (nret > 0) ? args.args[nargs] : 0; } @@ -265,7 +266,8 @@ static int __init call_prom_ret(const char *service, int nargs, int nret, for (i = 0; i < nret; i++) rets[nargs+i] = 0; - enter_prom(&args, RELOC(prom_entry)); + if (enter_prom(&args, RELOC(prom_entry)) < 0) + return PROM_ERROR; if (rets != NULL) for (i = 1; i < nret; ++i) @@ -670,9 +672,11 @@ static void __init prom_send_capabilities(void) */ static unsigned long __init alloc_up(unsigned long size, unsigned long align) { - unsigned long base = _ALIGN_UP(RELOC(alloc_bottom), align); + unsigned long base = RELOC(alloc_bottom); unsigned long addr = 0; + if (align) + base = _ALIGN_UP(base, align); prom_debug("alloc_up(%x, %x)\n", size, align); if (RELOC(ram_top) == 0) prom_panic("alloc_up() called with mem not initialized\n"); @@ -686,7 +690,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) base = _ALIGN_UP(base + 0x100000, align)) { prom_debug(" trying: 0x%x\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); - if (addr != PROM_ERROR) + if (addr != PROM_ERROR && addr != 0) break; addr = 0; if (align == 0) @@ -746,7 +750,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align, base = _ALIGN_DOWN(base - 0x100000, align)) { prom_debug(" trying: 0x%x\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); - if (addr != PROM_ERROR) + if (addr != PROM_ERROR && addr != 0) break; addr = 0; } @@ -852,9 +856,16 @@ static void __init prom_init_mem(void) type[0] = 0; prom_getprop(node, "device_type", type, sizeof(type)); + if (type[0] == 0) { + /* + * CHRP Longtrail machines have no device_type + * on the memory node, so check the name instead... + */ + prom_getprop(node, "name", type, sizeof(type)); + } if (strcmp(type, RELOC("memory"))) continue; - + plen = prom_getprop(node, "reg", RELOC(regbuf), sizeof(regbuf)); if (plen > sizeof(regbuf)) { prom_printf("memory node too large for buffer !\n"); @@ -1632,18 +1643,21 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start, unsigned long soff; unsigned char *valp; static char pname[MAX_PROPERTY_NAME]; - int l; + int l, room; dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end); /* get the node's full name */ namep = (char *)*mem_start; - l = call_prom("package-to-path", 3, 1, node, - namep, *mem_end - *mem_start); + room = *mem_end - *mem_start; + if (room > 255) + room = 255; + l = call_prom("package-to-path", 3, 1, node, namep, room); if (l >= 0) { /* Didn't fit? Get more room. */ - if ((l+1) > (*mem_end - *mem_start)) { - namep = make_room(mem_start, mem_end, l+1, 1); + if (l >= room) { + if (l >= *mem_end - *mem_start) + namep = make_room(mem_start, mem_end, l+1, 1); call_prom("package-to-path", 3, 1, node, namep, l); } namep[l] = '\0'; diff --git a/arch/ppc/boot/of1275/claim.c b/arch/ppc/boot/of1275/claim.c index e060292ae2a7..13169a5c4339 100644 --- a/arch/ppc/boot/of1275/claim.c +++ b/arch/ppc/boot/of1275/claim.c @@ -29,6 +29,7 @@ claim(unsigned int virt, unsigned int size, unsigned int align) args.virt = virt; args.size = size; args.align = align; + args.ret = (void *) 0; (*of_prom_entry)(&args); return args.ret; } diff --git a/arch/ppc/boot/openfirmware/chrpmain.c b/arch/ppc/boot/openfirmware/chrpmain.c index effe4a0624b0..245dbd9fc120 100644 --- a/arch/ppc/boot/openfirmware/chrpmain.c +++ b/arch/ppc/boot/openfirmware/chrpmain.c @@ -78,7 +78,7 @@ boot(int a1, int a2, void *prom) begin_avail = avail_high = avail_ram; end_avail = scratch + sizeof(scratch); printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len); - gunzip(dst, 0x400000, im, &len); + gunzip(dst, PROG_SIZE - PROG_START, im, &len); printf("done %u bytes\n\r", len); printf("%u bytes of heap consumed, max in use %u\n\r", avail_high - begin_avail, heap_max); |