diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac')
| -rw-r--r-- | arch/powerpc/platforms/powermac/low_i2c.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 38 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powermac/setup.c | 58 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powermac/smp.c | 3 |
4 files changed, 40 insertions, 61 deletions
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 7553b6a77..6d6f27747 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -15,7 +15,7 @@ * This file thus provides a simple low level unified i2c interface for * powermac that covers the various types of i2c busses used in Apple machines. * For now, keywest, PMU and SMU, though we could add Cuda, or other bit - * banging busses found on older chipstes in earlier machines if we ever need + * banging busses found on older chipsets in earlier machines if we ever need * one of them. * * The drivers in this file are synchronous/blocking. In addition, the diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 59ab16fa6..6e06c3be2 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -878,6 +878,29 @@ void pmac_pci_irq_fixup(struct pci_dev *dev) #endif /* CONFIG_PPC32 */ } +#ifdef CONFIG_PPC64 +static int pmac_pci_root_bridge_prepare(struct pci_host_bridge *bridge) +{ + struct pci_controller *hose = pci_bus_to_host(bridge->bus); + struct device_node *np, *child; + + if (hose != u3_agp) + return 0; + + /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We + * assume there is no P2P bridge on the AGP bus, which should be a + * safe assumptions for now. We should do something better in the + * future though + */ + np = hose->dn; + PCI_DN(np)->busno = 0xf0; + for_each_child_of_node(np, child) + PCI_DN(child)->busno = 0xf0; + + return 0; +} +#endif /* CONFIG_PPC64 */ + void __init pmac_pci_init(void) { struct device_node *np, *root; @@ -914,20 +937,7 @@ void __init pmac_pci_init(void) if (ht && pmac_add_bridge(ht) != 0) of_node_put(ht); - /* Setup the linkage between OF nodes and PHBs */ - pci_devs_phb_init(); - - /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We - * assume there is no P2P bridge on the AGP bus, which should be a - * safe assumptions for now. We should do something better in the - * future though - */ - if (u3_agp) { - struct device_node *np = u3_agp->dn; - PCI_DN(np)->busno = 0xf0; - for (np = np->child; np; np = np->sibling) - PCI_DN(np)->busno = 0xf0; - } + ppc_md.pcibios_root_bridge_prepare = pmac_pci_root_bridge_prepare; /* pmac_check_ht_link(); */ #else /* CONFIG_PPC64 */ diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 8dd78f4e1..6b4e9d181 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) @@ -360,12 +353,12 @@ static int pmac_late_init(void) machine_late_initcall(powermac, pmac_late_init); /* - * This is __init_refok because we check for "initializing" before + * This is __ref because we check for "initializing" before * touching any of the __init sensitive things and "initializing" * will be false after __init time. This can't be __init because it * can be called whenever a disk is first accessed. */ -void __init_refok note_bootable_part(dev_t dev, int part, int goodness) +void __ref note_bootable_part(dev_t dev, int part, int goodness) { char *p; @@ -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 */ diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 28a147ca3..834868b9f 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -857,9 +857,8 @@ static int smp_core99_cpu_notify(struct notifier_block *self, { int rc; - switch(action) { + switch(action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: - case CPU_UP_PREPARE_FROZEN: /* Open i2c bus if it was used for tb sync */ if (pmac_tb_clock_chip_host) { rc = pmac_i2c_open(pmac_tb_clock_chip_host, 1); |