Merge refs/heads/devtree from rsync://oak/kernels/iseries/work/.git

git-mirror · Sep 26, 2005 · 51a0885 · 51a0885
2 parents 14cf11a + 3d8a66c
commit 51a0885
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Showing 12 changed files with 313 additions and 273 deletions.
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
@@ -357,7 +357,6 @@ config HOTPLUG_CPU
 
 config PROC_DEVICETREE
 	bool "Support for Open Firmware device tree in /proc"
-	depends on !PPC_ISERIES
 	help
 	  This option adds a device-tree directory under /proc which contains
 	  an image of the device tree that the kernel copies from Open

diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
@@ -11,7 +11,7 @@ obj-y               :=	setup.o entry.o traps.o irq.o idle.o dma.o \
 			udbg.o binfmt_elf32.o sys_ppc32.o ioctl32.o \
 			ptrace32.o signal32.o rtc.o init_task.o \
 			lmb.o cputable.o cpu_setup_power4.o idle_power4.o \
-			iommu.o sysfs.o vdso.o pmc.o firmware.o
+			iommu.o sysfs.o vdso.o pmc.o firmware.o prom.o
 obj-y += vdso32/ vdso64/
 
 obj-$(CONFIG_PPC_OF) +=	of_device.o
@@ -27,7 +27,7 @@ obj-$(CONFIG_PPC_ISERIES) += HvCall.o HvLpConfig.o LparData.o \
 			     mf.o HvLpEvent.o iSeries_proc.o iSeries_htab.o \
 			     iSeries_iommu.o
 
-obj-$(CONFIG_PPC_MULTIPLATFORM) += nvram.o i8259.o prom_init.o prom.o
+obj-$(CONFIG_PPC_MULTIPLATFORM) += nvram.o i8259.o prom_init.o
 
 obj-$(CONFIG_PPC_PSERIES) += pSeries_pci.o pSeries_lpar.o pSeries_hvCall.o \
 			     pSeries_nvram.o rtasd.o ras.o pSeries_reconfig.o \

diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S
@@ -1364,6 +1364,7 @@ _STATIC(__start_initialization_iSeries)
 	addi	r2,r2,0x4000
 
 	bl	.iSeries_early_setup
+	bl	.early_setup
 
 	/* relocation is on at this point */
 
@@ -1970,20 +1971,22 @@ _GLOBAL(hmt_start_secondary)
 	blr
 #endif
 
-#if defined(CONFIG_KEXEC) || (defined(CONFIG_SMP) && !defined(CONFIG_PPC_ISERIES))
+#if defined(CONFIG_KEXEC) || defined(CONFIG_SMP)
 _GLOBAL(smp_release_cpus)
 	/* All secondary cpus are spinning on a common
 	 * spinloop, release them all now so they can start
 	 * to spin on their individual paca spinloops.
 	 * For non SMP kernels, the secondary cpus never
 	 * get out of the common spinloop.
+	 * XXX This does nothing useful on iSeries, secondaries are
+	 * already waiting on their paca.
 	 */
 	li	r3,1
 	LOADADDR(r5,__secondary_hold_spinloop)
 	std	r3,0(r5)
 	sync
 	blr
-#endif /* CONFIG_SMP && !CONFIG_PPC_ISERIES */
+#endif /* CONFIG_SMP */
 
 
 /*

diff --git a/arch/ppc64/kernel/iSeries_htab.c b/arch/ppc64/kernel/iSeries_htab.c
@@ -84,6 +84,25 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
 	return (secondary << 3) | (slot & 7);
 }
 
+long iSeries_hpte_bolt_or_insert(unsigned long hpte_group,
+		unsigned long va, unsigned long prpn, unsigned long vflags,
+		unsigned long rflags)
+{
+	long slot;
+	hpte_t lhpte;
+
+	slot = HvCallHpt_findValid(&lhpte, va >> PAGE_SHIFT);
+
+	if (lhpte.v & HPTE_V_VALID) {
+		/* Bolt the existing HPTE */
+		HvCallHpt_setSwBits(slot, 0x10, 0);
+		HvCallHpt_setPp(slot, PP_RWXX);
+		return 0;
+	}
+
+	return iSeries_hpte_insert(hpte_group, va, prpn, vflags, rflags);
+}
+
 static unsigned long iSeries_hpte_getword0(unsigned long slot)
 {
 	hpte_t hpte;

diff --git a/arch/ppc64/kernel/iSeries_irq.c b/arch/ppc64/kernel/iSeries_irq.c
@@ -351,3 +351,16 @@ int __init iSeries_allocate_IRQ(HvBusNumber busNumber,
 	irq_desc[virtirq].handler = &iSeries_IRQ_handler;
 	return virtirq;
 }
+
+int virt_irq_create_mapping(unsigned int real_irq)
+{
+	BUG(); /* Don't call this on iSeries, yet */
+
+	return 0;
+}
+
+void virt_irq_init(void)
+{
+	return;
+}
+