prom_print(RELOC("\n"));
}
+static int __init
+prom_next_node(phandle *nodep)
+{
+ phandle node;
+ unsigned long offset = reloc_offset();
+
+ if ((node = *nodep) != 0
+ && (*nodep = call_prom(RELOC("child"), 1, 1, node)) != 0)
+ return 1;
+ if ((*nodep = call_prom(RELOC("peer"), 1, 1, node)) != 0)
+ return 1;
+ for (;;) {
+ if ((node = call_prom(RELOC("parent"), 1, 1, node)) == 0)
+ return 0;
+ if ((*nodep = call_prom(RELOC("peer"), 1, 1, node)) != 0)
+ return 1;
+ }
+}
static unsigned long
prom_initialize_naca(unsigned long mem)
#ifdef CONFIG_PMAC_DART
-void prom_initialize_dart_table(void)
+static void prom_initialize_dart_table(void)
{
unsigned long offset = reloc_offset();
extern unsigned long dart_tablebase;
}
#endif /* CONFIG_PMAC_DART */
-
-void
-prom_initialize_tce_table(void)
+static void prom_initialize_tce_table(void)
{
phandle node;
ihandle phb_node;
return PLATFORM_PSERIES;
}
-/*
- * We enter here early on, when the Open Firmware prom is still
- * handling exceptions and the MMU hash table for us.
- */
-
-unsigned long __init
-prom_init(unsigned long r3, unsigned long r4, unsigned long pp,
- unsigned long r6, unsigned long r7)
-{
- unsigned long mem;
- ihandle prom_cpu;
- phandle cpu_pkg;
- unsigned long offset = reloc_offset();
- long l;
- char *p, *d;
- unsigned long phys;
- u32 getprop_rval;
- struct systemcfg *_systemcfg;
- struct paca_struct *_xPaca = PTRRELOC(&paca[0]);
- struct prom_t *_prom = PTRRELOC(&prom);
-
- /* First zero the BSS -- use memset, some arches don't have
- * caches on yet */
- memset(PTRRELOC(&__bss_start), 0, __bss_stop - __bss_start);
-
- /* Setup systemcfg and NACA pointers now */
- RELOC(systemcfg) = _systemcfg = (struct systemcfg *)(SYSTEMCFG_VIRT_ADDR - offset);
- RELOC(naca) = (struct naca_struct *)(NACA_VIRT_ADDR - offset);
-
- /* Init interface to Open Firmware and pickup bi-recs */
- prom_init_client_services(pp);
-
- /* Init prom stdout device */
- prom_init_stdout();
-
- /* check out if we have bi_recs */
- _prom->bi_recs = prom_bi_rec_verify((struct bi_record *)r6);
- if ( _prom->bi_recs != NULL )
- RELOC(klimit) = PTRUNRELOC((unsigned long)_prom->bi_recs +
- _prom->bi_recs->data[1]);
-
- /* Default machine type. */
- _systemcfg->platform = prom_find_machine_type();
-
- /* On pSeries, copy the CPU hold code */
- if (_systemcfg->platform == PLATFORM_PSERIES)
- copy_and_flush(0, KERNELBASE - offset, 0x100, 0);
-
- /* Start storing things at klimit */
- mem = RELOC(klimit) - offset;
-
- /* Get the full OF pathname of the stdout device */
- p = (char *) mem;
- memset(p, 0, 256);
- call_prom(RELOC("instance-to-path"), 3, 1, _prom->stdout, p, 255);
- RELOC(of_stdout_device) = PTRUNRELOC(p);
- mem += strlen(p) + 1;
-
- getprop_rval = 1;
- call_prom(RELOC("getprop"), 4, 1,
- _prom->root, RELOC("#size-cells"),
- &getprop_rval, sizeof(getprop_rval));
- _prom->encode_phys_size = (getprop_rval == 1) ? 32 : 64;
-
- /* Determine which cpu is actually running right _now_ */
- if ((long)call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
- RELOC("cpu"), &getprop_rval,
- sizeof(getprop_rval)) <= 0)
- prom_panic(RELOC("cannot find boot cpu"));
-
- prom_cpu = (ihandle)(unsigned long)getprop_rval;
- cpu_pkg = call_prom(RELOC("instance-to-package"), 1, 1, prom_cpu);
- call_prom(RELOC("getprop"), 4, 1,
- cpu_pkg, RELOC("reg"),
- &getprop_rval, sizeof(getprop_rval));
- _prom->cpu = (int)(unsigned long)getprop_rval;
- _xPaca[0].xHwProcNum = _prom->cpu;
-
- RELOC(boot_cpuid) = 0;
-
-#ifdef DEBUG_PROM
- prom_print(RELOC("Booting CPU hw index = 0x"));
- prom_print_hex(_prom->cpu);
- prom_print_nl();
-#endif
-
- /* Get the boot device and translate it to a full OF pathname. */
- p = (char *) mem;
- l = (long) call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
- RELOC("bootpath"), p, 1<<20);
- if (l > 0) {
- p[l] = 0; /* should already be null-terminated */
- RELOC(bootpath) = PTRUNRELOC(p);
- mem += l + 1;
- d = (char *) mem;
- *d = 0;
- call_prom(RELOC("canon"), 3, 1, p, d, 1<<20);
- RELOC(bootdevice) = PTRUNRELOC(d);
- mem = DOUBLEWORD_ALIGN(mem + strlen(d) + 1);
- }
-
- RELOC(cmd_line[0]) = 0;
- if ((long)_prom->chosen > 0) {
- call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
- RELOC("bootargs"), p, sizeof(cmd_line));
- if (p != NULL && p[0] != 0)
- strlcpy(RELOC(cmd_line), p, sizeof(cmd_line));
- }
-
- early_cmdline_parse();
-
- mem = prom_initialize_lmb(mem);
-
- mem = prom_bi_rec_reserve(mem);
-
- mem = check_display(mem);
-
- if (_systemcfg->platform != PLATFORM_POWERMAC)
- prom_instantiate_rtas();
-
- /* Initialize some system info into the Naca early... */
- mem = prom_initialize_naca(mem);
-
- smt_setup();
-
- /* If we are on an SMP machine, then we *MUST* do the
- * following, regardless of whether we have an SMP
- * kernel or not.
- */
- prom_hold_cpus(mem);
-
-#ifdef DEBUG_PROM
- prom_print(RELOC("copying OF device tree...\n"));
-#endif
- mem = copy_device_tree(mem);
-
- RELOC(klimit) = mem + offset;
-
- lmb_reserve(0, __pa(RELOC(klimit)));
-
- if (_systemcfg->platform == PLATFORM_PSERIES)
- prom_initialize_tce_table();
-
-#ifdef CONFIG_PMAC_DART
- if (_systemcfg->platform == PLATFORM_POWERMAC)
- prom_initialize_dart_table();
-#endif
-
-#ifdef CONFIG_BOOTX_TEXT
- if(_prom->disp_node) {
- prom_print(RELOC("Setting up bi display...\n"));
- setup_disp_fake_bi(_prom->disp_node);
- }
-#endif /* CONFIG_BOOTX_TEXT */
-
- prom_print(RELOC("Calling quiesce ...\n"));
- call_prom(RELOC("quiesce"), 0, 0);
- phys = KERNELBASE - offset;
-
- prom_print(RELOC("returning from prom_init\n"));
- return phys;
-}
-
-
static int
prom_set_color(ihandle ih, int i, int r, int g, int b)
{
return DOUBLEWORD_ALIGN(mem);
}
-
-static int __init
-prom_next_node(phandle *nodep)
-{
- phandle node;
- unsigned long offset = reloc_offset();
-
- if ((node = *nodep) != 0
- && (*nodep = call_prom(RELOC("child"), 1, 1, node)) != 0)
- return 1;
- if ((*nodep = call_prom(RELOC("peer"), 1, 1, node)) != 0)
- return 1;
- for (;;) {
- if ((node = call_prom(RELOC("parent"), 1, 1, node)) == 0)
- return 0;
- if ((*nodep = call_prom(RELOC("peer"), 1, 1, node)) != 0)
- return 1;
- }
-}
-
/*
* Make a copy of the device tree from the PROM.
*/
return mem_start;
}
+
+/* Verify bi_recs are good */
+static struct bi_record *
+prom_bi_rec_verify(struct bi_record *bi_recs)
+{
+ struct bi_record *first, *last;
+
+ if ( bi_recs == NULL || bi_recs->tag != BI_FIRST )
+ return NULL;
+
+ last = (struct bi_record *)(long)bi_recs->data[0];
+ if ( last == NULL || last->tag != BI_LAST )
+ return NULL;
+
+ first = (struct bi_record *)(long)last->data[0];
+ if ( first == NULL || first != bi_recs )
+ return NULL;
+
+ return bi_recs;
+}
+
+static unsigned long
+prom_bi_rec_reserve(unsigned long mem)
+{
+ unsigned long offset = reloc_offset();
+ struct prom_t *_prom = PTRRELOC(&prom);
+ struct bi_record *rec;
+
+ if ( _prom->bi_recs != NULL) {
+
+ for ( rec=_prom->bi_recs;
+ rec->tag != BI_LAST;
+ rec=bi_rec_next(rec) ) {
+ switch (rec->tag) {
+#ifdef CONFIG_BLK_DEV_INITRD
+ case BI_INITRD:
+ lmb_reserve(rec->data[0], rec->data[1]);
+ break;
+#endif /* CONFIG_BLK_DEV_INITRD */
+ }
+ }
+ /* The next use of this field will be after relocation
+ * is enabled, so convert this physical address into a
+ * virtual address.
+ */
+ _prom->bi_recs = PTRUNRELOC(_prom->bi_recs);
+ }
+
+ return mem;
+}
+
+/*
+ * We enter here early on, when the Open Firmware prom is still
+ * handling exceptions and the MMU hash table for us.
+ */
+
+unsigned long __init
+prom_init(unsigned long r3, unsigned long r4, unsigned long pp,
+ unsigned long r6, unsigned long r7)
+{
+ unsigned long mem;
+ ihandle prom_cpu;
+ phandle cpu_pkg;
+ unsigned long offset = reloc_offset();
+ long l;
+ char *p, *d;
+ unsigned long phys;
+ u32 getprop_rval;
+ struct systemcfg *_systemcfg;
+ struct paca_struct *_xPaca = PTRRELOC(&paca[0]);
+ struct prom_t *_prom = PTRRELOC(&prom);
+
+ /* First zero the BSS -- use memset, some arches don't have
+ * caches on yet */
+ memset(PTRRELOC(&__bss_start), 0, __bss_stop - __bss_start);
+
+ /* Setup systemcfg and NACA pointers now */
+ RELOC(systemcfg) = _systemcfg = (struct systemcfg *)(SYSTEMCFG_VIRT_ADDR - offset);
+ RELOC(naca) = (struct naca_struct *)(NACA_VIRT_ADDR - offset);
+
+ /* Init interface to Open Firmware and pickup bi-recs */
+ prom_init_client_services(pp);
+
+ /* Init prom stdout device */
+ prom_init_stdout();
+
+ /* check out if we have bi_recs */
+ _prom->bi_recs = prom_bi_rec_verify((struct bi_record *)r6);
+ if ( _prom->bi_recs != NULL )
+ RELOC(klimit) = PTRUNRELOC((unsigned long)_prom->bi_recs +
+ _prom->bi_recs->data[1]);
+
+ /* Default machine type. */
+ _systemcfg->platform = prom_find_machine_type();
+
+ /* On pSeries, copy the CPU hold code */
+ if (_systemcfg->platform == PLATFORM_PSERIES)
+ copy_and_flush(0, KERNELBASE - offset, 0x100, 0);
+
+ /* Start storing things at klimit */
+ mem = RELOC(klimit) - offset;
+
+ /* Get the full OF pathname of the stdout device */
+ p = (char *) mem;
+ memset(p, 0, 256);
+ call_prom(RELOC("instance-to-path"), 3, 1, _prom->stdout, p, 255);
+ RELOC(of_stdout_device) = PTRUNRELOC(p);
+ mem += strlen(p) + 1;
+
+ getprop_rval = 1;
+ call_prom(RELOC("getprop"), 4, 1,
+ _prom->root, RELOC("#size-cells"),
+ &getprop_rval, sizeof(getprop_rval));
+ _prom->encode_phys_size = (getprop_rval == 1) ? 32 : 64;
+
+ /* Determine which cpu is actually running right _now_ */
+ if ((long)call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
+ RELOC("cpu"), &getprop_rval,
+ sizeof(getprop_rval)) <= 0)
+ prom_panic(RELOC("cannot find boot cpu"));
+
+ prom_cpu = (ihandle)(unsigned long)getprop_rval;
+ cpu_pkg = call_prom(RELOC("instance-to-package"), 1, 1, prom_cpu);
+ call_prom(RELOC("getprop"), 4, 1,
+ cpu_pkg, RELOC("reg"),
+ &getprop_rval, sizeof(getprop_rval));
+ _prom->cpu = (int)(unsigned long)getprop_rval;
+ _xPaca[0].xHwProcNum = _prom->cpu;
+
+ RELOC(boot_cpuid) = 0;
+
+#ifdef DEBUG_PROM
+ prom_print(RELOC("Booting CPU hw index = 0x"));
+ prom_print_hex(_prom->cpu);
+ prom_print_nl();
+#endif
+
+ /* Get the boot device and translate it to a full OF pathname. */
+ p = (char *) mem;
+ l = (long) call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
+ RELOC("bootpath"), p, 1<<20);
+ if (l > 0) {
+ p[l] = 0; /* should already be null-terminated */
+ RELOC(bootpath) = PTRUNRELOC(p);
+ mem += l + 1;
+ d = (char *) mem;
+ *d = 0;
+ call_prom(RELOC("canon"), 3, 1, p, d, 1<<20);
+ RELOC(bootdevice) = PTRUNRELOC(d);
+ mem = DOUBLEWORD_ALIGN(mem + strlen(d) + 1);
+ }
+
+ RELOC(cmd_line[0]) = 0;
+ if ((long)_prom->chosen > 0) {
+ call_prom(RELOC("getprop"), 4, 1, _prom->chosen,
+ RELOC("bootargs"), p, sizeof(cmd_line));
+ if (p != NULL && p[0] != 0)
+ strlcpy(RELOC(cmd_line), p, sizeof(cmd_line));
+ }
+
+ early_cmdline_parse();
+
+ mem = prom_initialize_lmb(mem);
+
+ mem = prom_bi_rec_reserve(mem);
+
+ mem = check_display(mem);
+
+ if (_systemcfg->platform != PLATFORM_POWERMAC)
+ prom_instantiate_rtas();
+
+ /* Initialize some system info into the Naca early... */
+ mem = prom_initialize_naca(mem);
+
+ smt_setup();
+
+ /* If we are on an SMP machine, then we *MUST* do the
+ * following, regardless of whether we have an SMP
+ * kernel or not.
+ */
+ prom_hold_cpus(mem);
+
+#ifdef DEBUG_PROM
+ prom_print(RELOC("copying OF device tree...\n"));
+#endif
+ mem = copy_device_tree(mem);
+
+ RELOC(klimit) = mem + offset;
+
+ lmb_reserve(0, __pa(RELOC(klimit)));
+
+ if (_systemcfg->platform == PLATFORM_PSERIES)
+ prom_initialize_tce_table();
+
+#ifdef CONFIG_PMAC_DART
+ if (_systemcfg->platform == PLATFORM_POWERMAC)
+ prom_initialize_dart_table();
+#endif
+
+#ifdef CONFIG_BOOTX_TEXT
+ if(_prom->disp_node) {
+ prom_print(RELOC("Setting up bi display...\n"));
+ setup_disp_fake_bi(_prom->disp_node);
+ }
+#endif /* CONFIG_BOOTX_TEXT */
+
+ prom_print(RELOC("Calling quiesce ...\n"));
+ call_prom(RELOC("quiesce"), 0, 0);
+ phys = KERNELBASE - offset;
+
+ prom_print(RELOC("returning from prom_init\n"));
+ return phys;
+}
+
+
/*
* finish_device_tree is called once things are running normally
* (i.e. with text and data mapped to the address they were linked at).
}
}
#endif
-
-
-/* Verify bi_recs are good */
-static struct bi_record *
-prom_bi_rec_verify(struct bi_record *bi_recs)
-{
- struct bi_record *first, *last;
-
- if ( bi_recs == NULL || bi_recs->tag != BI_FIRST )
- return NULL;
-
- last = (struct bi_record *)(long)bi_recs->data[0];
- if ( last == NULL || last->tag != BI_LAST )
- return NULL;
-
- first = (struct bi_record *)(long)last->data[0];
- if ( first == NULL || first != bi_recs )
- return NULL;
-
- return bi_recs;
-}
-
-static unsigned long
-prom_bi_rec_reserve(unsigned long mem)
-{
- unsigned long offset = reloc_offset();
- struct prom_t *_prom = PTRRELOC(&prom);
- struct bi_record *rec;
-
- if ( _prom->bi_recs != NULL) {
-
- for ( rec=_prom->bi_recs;
- rec->tag != BI_LAST;
- rec=bi_rec_next(rec) ) {
- switch (rec->tag) {
-#ifdef CONFIG_BLK_DEV_INITRD
- case BI_INITRD:
- lmb_reserve(rec->data[0], rec->data[1]);
- break;
-#endif /* CONFIG_BLK_DEV_INITRD */
- }
- }
- /* The next use of this field will be after relocation
- * is enabled, so convert this physical address into a
- * virtual address.
- */
- _prom->bi_recs = PTRUNRELOC(_prom->bi_recs);
- }
-
- return mem;
-}
-
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