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Diffstat (limited to 'arch/powerpc/platforms/powermac/setup.c')
-rw-r--r--arch/powerpc/platforms/powermac/setup.c54
1 files changed, 12 insertions, 42 deletions
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 8dd78f4e1af4..3de4a7c85140 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -52,7 +52,6 @@
#include <linux/suspend.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
-#include <linux/memblock.h>
#include <asm/reg.h>
#include <asm/sections.h>
@@ -97,11 +96,6 @@ int sccdbg;
sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
EXPORT_SYMBOL(sys_ctrler);
-#ifdef CONFIG_PMAC_SMU
-unsigned long smu_cmdbuf_abs;
-EXPORT_SYMBOL(smu_cmdbuf_abs);
-#endif
-
static void pmac_show_cpuinfo(struct seq_file *m)
{
struct device_node *np;
@@ -325,7 +319,6 @@ static void __init pmac_setup_arch(void)
defined(CONFIG_PPC64)
pmac_nvram_init();
#endif
-
#ifdef CONFIG_PPC32
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
@@ -383,7 +376,7 @@ void __init_refok note_bootable_part(dev_t dev, int part, int goodness)
}
#ifdef CONFIG_ADB_CUDA
-static void cuda_restart(void)
+static void __noreturn cuda_restart(void)
{
struct adb_request req;
@@ -392,7 +385,7 @@ static void cuda_restart(void)
cuda_poll();
}
-static void cuda_shutdown(void)
+static void __noreturn cuda_shutdown(void)
{
struct adb_request req;
@@ -416,7 +409,7 @@ static void cuda_shutdown(void)
#define smu_shutdown()
#endif
-static void pmac_restart(char *cmd)
+static void __noreturn pmac_restart(char *cmd)
{
switch (sys_ctrler) {
case SYS_CTRLER_CUDA:
@@ -430,9 +423,10 @@ static void pmac_restart(char *cmd)
break;
default: ;
}
+ while (1) ;
}
-static void pmac_power_off(void)
+static void __noreturn pmac_power_off(void)
{
switch (sys_ctrler) {
case SYS_CTRLER_CUDA:
@@ -446,9 +440,10 @@ static void pmac_power_off(void)
break;
default: ;
}
+ while (1) ;
}
-static void
+static void __noreturn
pmac_halt(void)
{
pmac_power_off();
@@ -457,7 +452,7 @@ pmac_halt(void)
/*
* Early initialization.
*/
-static void __init pmac_init_early(void)
+static void __init pmac_init(void)
{
/* Enable early btext debug if requested */
if (strstr(boot_command_line, "btextdbg")) {
@@ -489,9 +484,6 @@ static int __init pmac_declare_of_platform_devices(void)
{
struct device_node *np;
- if (machine_is(chrp))
- return -1;
-
np = of_find_node_by_name(NULL, "valkyrie");
if (np) {
of_platform_device_create(np, "valkyrie", NULL);
@@ -598,24 +590,10 @@ console_initcall(check_pmac_serial_console);
*/
static int __init pmac_probe(void)
{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&
- !of_flat_dt_is_compatible(root, "MacRISC"))
+ if (!of_machine_is_compatible("Power Macintosh") &&
+ !of_machine_is_compatible("MacRISC"))
return 0;
-#ifdef CONFIG_PPC64
- /*
- * On U3, the DART (iommu) must be allocated now since it
- * has an impact on htab_initialize (due to the large page it
- * occupies having to be broken up so the DART itself is not
- * part of the cacheable linar mapping
- */
- alloc_dart_table();
-
- hpte_init_native();
-#endif
-
#ifdef CONFIG_PPC32
/* isa_io_base gets set in pmac_pci_init */
ISA_DMA_THRESHOLD = ~0L;
@@ -623,17 +601,10 @@ static int __init pmac_probe(void)
DMA_MODE_WRITE = 2;
#endif /* CONFIG_PPC32 */
-#ifdef CONFIG_PMAC_SMU
- /*
- * SMU based G5s need some memory below 2Gb, at least the current
- * driver needs that. We have to allocate it now. We allocate 4k
- * (1 small page) for now.
- */
- smu_cmdbuf_abs = memblock_alloc_base(4096, 4096, 0x80000000UL);
-#endif /* CONFIG_PMAC_SMU */
-
pm_power_off = pmac_power_off;
+ pmac_init();
+
return 1;
}
@@ -641,7 +612,6 @@ define_machine(powermac) {
.name = "PowerMac",
.probe = pmac_probe,
.setup_arch = pmac_setup_arch,
- .init_early = pmac_init_early,
.show_cpuinfo = pmac_show_cpuinfo,
.init_IRQ = pmac_pic_init,
.get_irq = NULL, /* changed later */