summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/powermac/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/powermac/setup.c')
-rw-r--r--arch/powerpc/platforms/powermac/setup.c53
1 files changed, 14 insertions, 39 deletions
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index c6d5333729ed..6de1cd5d8a58 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -45,13 +45,11 @@
#include <linux/root_dev.h>
#include <linux/bitops.h>
#include <linux/suspend.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/of_platform.h>
#include <asm/reg.h>
#include <asm/sections.h>
-#include <asm/prom.h>
-#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <asm/ohare.h>
@@ -72,21 +70,14 @@
#undef SHOW_GATWICK_IRQS
-int ppc_override_l2cr = 0;
-int ppc_override_l2cr_value;
-int has_l2cache = 0;
+static int has_l2cache;
int pmac_newworld;
static int current_root_goodness = -1;
-extern struct machdep_calls pmac_md;
-
-#define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */
-
-#ifdef CONFIG_PPC64
-int sccdbg;
-#endif
+/* sda1 - slightly silly choice */
+#define DEFAULT_ROOT_DEVICE MKDEV(SCSI_DISK0_MAJOR, 1)
sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
EXPORT_SYMBOL(sys_ctrler);
@@ -147,7 +138,7 @@ static void pmac_show_cpuinfo(struct seq_file *m)
of_get_property(np, "d-cache-size", NULL);
seq_printf(m, "L2 cache\t:");
has_l2cache = 1;
- if (of_get_property(np, "cache-unified", NULL) && dc) {
+ if (of_property_read_bool(np, "cache-unified") && dc) {
seq_printf(m, " %dK unified", *dc / 1024);
} else {
if (ic)
@@ -169,7 +160,7 @@ static void pmac_show_cpuinfo(struct seq_file *m)
}
#ifndef CONFIG_ADB_CUDA
-int find_via_cuda(void)
+int __init find_via_cuda(void)
{
struct device_node *dn = of_find_node_by_name(NULL, "via-cuda");
@@ -183,7 +174,7 @@ int find_via_cuda(void)
#endif
#ifndef CONFIG_ADB_PMU
-int find_via_pmu(void)
+int __init find_via_pmu(void)
{
struct device_node *dn = of_find_node_by_name(NULL, "via-pmu");
@@ -197,7 +188,7 @@ int find_via_pmu(void)
#endif
#ifndef CONFIG_PMAC_SMU
-int smu_init(void)
+int __init smu_init(void)
{
/* should check and warn if SMU is present */
return 0;
@@ -244,22 +235,16 @@ static void __init l2cr_init(void)
const unsigned int *l2cr =
of_get_property(np, "l2cr-value", NULL);
if (l2cr) {
- ppc_override_l2cr = 1;
- ppc_override_l2cr_value = *l2cr;
_set_L2CR(0);
- _set_L2CR(ppc_override_l2cr_value);
+ _set_L2CR(*l2cr);
+ pr_info("L2CR overridden (0x%x), backside cache is %s\n",
+ *l2cr, ((*l2cr) & 0x80000000) ?
+ "enabled" : "disabled");
}
of_node_put(np);
break;
}
}
-
- if (ppc_override_l2cr)
- printk(KERN_INFO "L2CR overridden (0x%x), "
- "backside cache is %s\n",
- ppc_override_l2cr_value,
- (ppc_override_l2cr_value & 0x80000000)
- ? "enabled" : "disabled");
}
#endif
@@ -285,7 +270,7 @@ static void __init pmac_setup_arch(void)
/* 604, G3, G4 etc. */
loops_per_jiffy = *fp / HZ;
else
- /* 601, 603, etc. */
+ /* 603, etc. */
loops_per_jiffy = *fp / (2 * HZ);
of_node_put(cpu);
break;
@@ -299,9 +284,6 @@ static void __init pmac_setup_arch(void)
of_node_put(ic);
}
- /* Lookup PCI hosts */
- pmac_pci_init();
-
#ifdef CONFIG_PPC32
ohare_init();
l2cr_init();
@@ -331,13 +313,6 @@ static void __init pmac_setup_arch(void)
#endif /* CONFIG_ADB */
}
-#ifdef CONFIG_SCSI
-void note_scsi_host(struct device_node *node, void *host)
-{
-}
-EXPORT_SYMBOL(note_scsi_host);
-#endif
-
static int initializing = 1;
static int pmac_late_init(void)
@@ -586,7 +561,6 @@ static int __init pmac_probe(void)
#ifdef CONFIG_PPC32
/* isa_io_base gets set in pmac_pci_init */
- ISA_DMA_THRESHOLD = ~0L;
DMA_MODE_READ = 1;
DMA_MODE_WRITE = 2;
#endif /* CONFIG_PPC32 */
@@ -602,6 +576,7 @@ define_machine(powermac) {
.name = "PowerMac",
.probe = pmac_probe,
.setup_arch = pmac_setup_arch,
+ .discover_phbs = pmac_pci_init,
.show_cpuinfo = pmac_show_cpuinfo,
.init_IRQ = pmac_pic_init,
.get_irq = NULL, /* changed later */