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patch-3.4.58-xbox0.11.1.diff
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diff -NurpP --minimal linux-3.4.58/arch/powerpc/boot/Makefile linux-3.4.58-xenon/arch/powerpc/boot/Makefile
--- linux-3.4.58/arch/powerpc/boot/Makefile 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/boot/Makefile 2013-08-19 11:22:59.716691853 +0200
@@ -177,6 +177,7 @@ image-$(CONFIG_PPC_POWERNV) += zImage.p
image-$(CONFIG_PPC_MAPLE) += zImage.maple
image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
image-$(CONFIG_PPC_PS3) += dtbImage.ps3
+image-$(CONFIG_PPC_XENON) += zImage.xenon
image-$(CONFIG_PPC_CELLEB) += zImage.pseries
image-$(CONFIG_PPC_CELL_QPACE) += zImage.pseries
image-$(CONFIG_PPC_CHRP) += zImage.chrp
@@ -310,6 +311,11 @@ $(obj)/dtbImage.%: vmlinux $(wrapperbits
$(obj)/vmlinux.strip: vmlinux
$(STRIP) -s -R .comment $< -o $@
+$(obj)/zImage.xenon: $(obj)/vmlinux.strip
+ $(OBJCOPY) -O elf32-powerpc $< $@
+ @ test -e /mnt/nfsroot/tftpboot && \
+ cp -f $@ /mnt/nfsroot/tftpboot/zImage_2.6.33.xenon || true
+
$(obj)/uImage: vmlinux $(wrapperbits)
$(call if_changed,wrap,uboot)
diff -NurpP --minimal linux-3.4.58/arch/powerpc/include/asm/cputable.h linux-3.4.58-xenon/arch/powerpc/include/asm/cputable.h
--- linux-3.4.58/arch/powerpc/include/asm/cputable.h 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/include/asm/cputable.h 2013-08-19 11:22:59.716691853 +0200
@@ -436,6 +436,10 @@ extern const char *powerpc_base_platform
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
CPU_FTR_UNALIGNED_LD_STD)
+#define CPU_FTRS_XENON (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
+ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+ CPU_FTR_MMCRA | CPU_FTR_SMT | \
+ CPU_FTR_CELL_TB_BUG )
#define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
CPU_FTR_PURR | CPU_FTR_REAL_LE)
@@ -489,6 +493,9 @@ enum {
CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC |
CPU_FTRS_E5500 | CPU_FTRS_E6500 |
#endif
+#ifdef CONFIG_PPC_XENON
+ CPU_FTRS_XENON |
+#endif
0,
};
#endif /* __powerpc64__ */
diff -NurpP --minimal linux-3.4.58/arch/powerpc/include/asm/mmu.h linux-3.4.58-xenon/arch/powerpc/include/asm/mmu.h
--- linux-3.4.58/arch/powerpc/include/asm/mmu.h 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/include/asm/mmu.h 2013-08-19 11:22:59.716691853 +0200
@@ -103,6 +103,8 @@
#define MMU_FTRS_POWER7 MMU_FTRS_POWER4 | MMU_FTR_LOCKLESS_TLBIE
#define MMU_FTRS_CELL MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
MMU_FTR_CI_LARGE_PAGE
+#define MMU_FTRS_XENON MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
+ MMU_FTR_CI_LARGE_PAGE
#define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B
#define MMU_FTRS_A2 MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX | \
diff -NurpP --minimal linux-3.4.58/arch/powerpc/Kconfig linux-3.4.58-xenon/arch/powerpc/Kconfig
--- linux-3.4.58/arch/powerpc/Kconfig 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/Kconfig 2013-08-19 11:22:59.716691853 +0200
@@ -133,7 +133,7 @@ config PPC
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
select HAVE_GENERIC_HARDIRQS
- select SPARSE_IRQ
+ select HAVE_SPARSE_IRQ
select IRQ_PER_CPU
select IRQ_DOMAIN
select GENERIC_IRQ_SHOW
@@ -1020,3 +1020,4 @@ config PPC_LIB_RHEAP
bool
source "arch/powerpc/kvm/Kconfig"
+
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/cputable.c linux-3.4.58-xenon/arch/powerpc/kernel/cputable.c
--- linux-3.4.58/arch/powerpc/kernel/cputable.c 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/cputable.c 2013-08-19 11:22:59.716691853 +0200
@@ -480,6 +480,18 @@ static struct cpu_spec __initdata cpu_sp
.oprofile_type = PPC_OPROFILE_CELL,
.platform = "ppc-cell-be",
},
+ { /* Xenon */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x00710000,
+ .cpu_name = "Xenon",
+ .cpu_features = CPU_FTRS_XENON,
+ .cpu_user_features = COMMON_USER_PPC64 |
+ PPC_FEATURE_SMT,
+ .mmu_features = MMU_FTRS_XENON,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .platform = "xenon",
+ },
{ /* PA Semi PA6T */
.pvr_mask = 0x7fff0000,
.pvr_value = 0x00900000,
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/crash.c linux-3.4.58-xenon/arch/powerpc/kernel/crash.c
--- linux-3.4.58/arch/powerpc/kernel/crash.c 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/crash.c 2013-08-19 11:22:59.716691853 +0200
@@ -253,7 +253,7 @@ static inline void crash_kexec_wait_real
*/
int crash_shutdown_register(crash_shutdown_t handler)
{
- unsigned int i, rc;
+ unsigned int i, rc = 0;
spin_lock(&crash_handlers_lock);
for (i = 0 ; i < CRASH_HANDLER_MAX; i++)
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/head_64.S linux-3.4.58-xenon/arch/powerpc/kernel/head_64.S
--- linux-3.4.58/arch/powerpc/kernel/head_64.S 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/head_64.S 2013-08-19 11:22:59.716691853 +0200
@@ -579,8 +579,11 @@ _GLOBAL(pmac_secondary_start)
.section ".text";
.align 2 ;
+/*
.globl __secondary_start
__secondary_start:
+*/
+_INIT_GLOBAL(__secondary_start)
/* Set thread priority to MEDIUM */
HMT_MEDIUM
@@ -625,7 +628,7 @@ __secondary_start:
* zero the stack back-chain pointer and get the TOC virtual address
* before going into C code.
*/
-_GLOBAL(start_secondary_prolog)
+_INIT_GLOBAL(start_secondary_prolog)
ld r2,PACATOC(r13)
li r3,0
std r3,0(r1) /* Zero the stack frame pointer */
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/misc_64.S linux-3.4.58-xenon/arch/powerpc/kernel/misc_64.S
--- linux-3.4.58/arch/powerpc/kernel/misc_64.S 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/misc_64.S 2013-08-19 11:22:59.720691495 +0200
@@ -235,7 +235,7 @@ _GLOBAL(__flush_dcache_icache)
blr
-#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
+#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) || defined(CONFIG_PPC_XENON)
/*
* Do an IO access in real mode
*/
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/process.c linux-3.4.58-xenon/arch/powerpc/kernel/process.c
--- linux-3.4.58/arch/powerpc/kernel/process.c 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/process.c 2013-08-19 11:22:59.720691495 +0200
@@ -1329,3 +1329,8 @@ unsigned long randomize_et_dyn(unsigned
return ret;
}
+
+void arch_trigger_all_cpu_backtrace(void)
+{
+ panic("arch_trigger_all_cpu_backtrace() not implemented yet\n");
+}
diff -NurpP --minimal linux-3.4.58/arch/powerpc/kernel/setup_64.c linux-3.4.58-xenon/arch/powerpc/kernel/setup_64.c
--- linux-3.4.58/arch/powerpc/kernel/setup_64.c 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/kernel/setup_64.c 2013-08-19 11:22:59.720691495 +0200
@@ -230,7 +230,7 @@ void __init early_setup(unsigned long dt
}
#ifdef CONFIG_SMP
-void early_setup_secondary(void)
+void __cpuinit early_setup_secondary(void)
{
/* Mark interrupts enabled in PACA */
get_paca()->soft_enabled = 0;
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/Kconfig linux-3.4.58-xenon/arch/powerpc/platforms/Kconfig
--- linux-3.4.58/arch/powerpc/platforms/Kconfig 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/platforms/Kconfig 2013-08-19 11:22:59.720691495 +0200
@@ -21,6 +21,7 @@ source "arch/powerpc/platforms/44x/Kconf
source "arch/powerpc/platforms/40x/Kconfig"
source "arch/powerpc/platforms/amigaone/Kconfig"
source "arch/powerpc/platforms/wsp/Kconfig"
+source "arch/powerpc/platforms/xenon/Kconfig"
config KVM_GUEST
bool "KVM Guest support"
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/Makefile linux-3.4.58-xenon/arch/powerpc/platforms/Makefile
--- linux-3.4.58/arch/powerpc/platforms/Makefile 2013-08-15 07:57:16.000000000 +0200
+++ linux-3.4.58-xenon/arch/powerpc/platforms/Makefile 2013-08-19 11:22:59.720691495 +0200
@@ -20,6 +20,7 @@ obj-$(CONFIG_PPC_MAPLE) += maple/
obj-$(CONFIG_PPC_PASEMI) += pasemi/
obj-$(CONFIG_PPC_CELL) += cell/
obj-$(CONFIG_PPC_PS3) += ps3/
+obj-$(CONFIG_PPC_XENON) += xenon/
obj-$(CONFIG_EMBEDDED6xx) += embedded6xx/
obj-$(CONFIG_AMIGAONE) += amigaone/
obj-$(CONFIG_PPC_WSP) += wsp/
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/hardware.c linux-3.4.58-xenon/arch/powerpc/platforms/xenon/hardware.c
--- linux-3.4.58/arch/powerpc/platforms/xenon/hardware.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/hardware.c 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,36 @@
+/*
+ * Xenon hardware related routines.
+ *
+ * Copyright (C) 2010 Herbert Poetzl
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+
+static int __init xenon_hwmon_init(void)
+{
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_simple("xenon-hwmon", -1, NULL, 0);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ return 0;
+}
+
+module_init(xenon_hwmon_init);
+
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/interrupt.c linux-3.4.58-xenon/arch/powerpc/platforms/xenon/interrupt.c
--- linux-3.4.58/arch/powerpc/platforms/xenon/interrupt.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/interrupt.c 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,333 @@
+/*
+ * Xenon interrupt controller,
+ *
+ * Maintained by: Felix Domke <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License v2
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/percpu.h>
+#include <linux/types.h>
+#include <linux/ioport.h>
+#include <linux/irqdesc.h>
+
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/prom.h>
+#include <asm/ptrace.h>
+#include <asm/machdep.h>
+
+#include "interrupt.h"
+
+static void *iic_base,
+ *bridge_base, // ea000000
+ *biu, // e1000000
+ *graphics; // ec800000
+static struct irq_domain *host;
+
+#define XENON_NR_IRQS 128
+
+#define PRIO_IPI_4 0x08
+#define PRIO_IPI_3 0x10
+#define PRIO_SMM 0x14
+#define PRIO_SFCX 0x18
+#define PRIO_SATA_HDD 0x20
+#define PRIO_SATA_CDROM 0x24
+#define PRIO_OHCI_0 0x2c
+#define PRIO_EHCI_0 0x30
+#define PRIO_OHCI_1 0x34
+#define PRIO_EHCI_1 0x38
+#define PRIO_XMA 0x40
+#define PRIO_AUDIO 0x44
+#define PRIO_ENET 0x4C
+#define PRIO_XPS 0x54
+#define PRIO_GRAPHICS 0x58
+#define PRIO_PROFILER 0x60
+#define PRIO_BIU 0x64
+#define PRIO_IOC 0x68
+#define PRIO_FSB 0x6c
+#define PRIO_IPI_2 0x70
+#define PRIO_CLOCK 0x74
+#define PRIO_IPI_1 0x78
+
+/* bridge (PCI) IRQ -> CPU IRQ */
+static int xenon_pci_irq_map[] = {
+ PRIO_CLOCK, PRIO_SATA_CDROM, PRIO_SATA_HDD, PRIO_SMM,
+ PRIO_OHCI_0, PRIO_EHCI_0, PRIO_OHCI_1, PRIO_EHCI_1,
+ -1, -1, PRIO_ENET, PRIO_XMA,
+ PRIO_AUDIO, PRIO_SFCX, -1, -1};
+
+static void disconnect_pci_irq(int prio)
+{
+ int i;
+
+ printk(KERN_DEBUG "xenon IIC: disconnect irq %i\n", prio);
+
+ for (i=0; i<0x10; ++i)
+ if (xenon_pci_irq_map[i] == prio)
+ writel(0, bridge_base + 0x10 + i * 4);
+}
+
+ /* connects an PCI IRQ to CPU #0 */
+static void connect_pci_irq(int prio)
+{
+ int i;
+
+ printk(KERN_WARNING "xenon IIC: connect irq %i\n", prio);
+
+ for (i=0; i<0x10; ++i)
+ if (xenon_pci_irq_map[i] == prio)
+ writel(0x0800180 | (xenon_pci_irq_map[i]/4), bridge_base + 0x10 + i * 4);
+}
+
+static void iic_mask(struct irq_data *d)
+{
+ disconnect_pci_irq(d->irq);
+}
+
+static void iic_unmask(struct irq_data *d)
+{
+ int i;
+ connect_pci_irq(d->irq);
+ for (i=0; i<6; ++i)
+ out_be64(iic_base + i * 0x1000 + 0x68, 0);
+}
+
+void xenon_init_irq_on_cpu(int cpu)
+{
+ printk(KERN_WARNING "xenon IIC: init on cpu %i\n", cpu);
+ /* init that cpu's interrupt controller */
+ out_be64(iic_base + cpu * 0x1000 + 0x70, 0x7c);
+ out_be64(iic_base + cpu * 0x1000 + 0x8, 0); /* irql */
+ out_be64(iic_base + cpu * 0x1000, 1<<cpu); /* "who am i" */
+
+ /* ack all outstanding interrupts */
+ while (in_be64(iic_base + cpu * 0x1000 + 0x50) != 0x7C);
+ out_be64(iic_base + cpu * 0x1000 + 0x68, 0);
+}
+
+static void iic_eoi(struct irq_data *d)
+{
+ int cpu = hard_smp_processor_id();
+ void *my_iic_base = iic_base + cpu * 0x1000;
+ out_be64(my_iic_base + 0x68, 0);
+ mb();
+ in_be64(my_iic_base + 0x8);
+}
+
+static struct irq_chip xenon_pic = {
+ .name = " XENON-PIC ",
+ .irq_mask = iic_mask,
+ .irq_unmask = iic_unmask,
+ .irq_eoi = iic_eoi,
+};
+
+//struct irq_desc irq_desc[XENON_NR_IRQS];
+
+/* Get an IRQ number from the pending state register of the IIC */
+static unsigned int iic_get_irq(void)
+{
+ int cpu = hard_smp_processor_id();
+ void *my_iic_base;
+ int index;
+
+ my_iic_base = iic_base + cpu * 0x1000;
+
+ index = in_be64(my_iic_base + 0x50) & 0x7F; /* read destructive pending interrupt */
+
+ out_be64(my_iic_base + 0x08, 0x7c); /* current task priority */
+ mb();
+ in_be64(my_iic_base + 0x8);
+
+ /* HACK: we will handle some (otherwise unhandled) interrupts here
+ to prevent them flooding. */
+ switch (index) {
+ case PRIO_GRAPHICS:
+ writel(0, graphics + 0xed0);
+ writel(0, graphics + 0x6540);
+ break;
+ case PRIO_IOC:
+ writel(0, biu + 0x4002c);
+ break;
+ case PRIO_CLOCK:
+ writel(0, bridge_base + 0x106C);
+ break;
+ default:
+ break;
+ }
+
+#if 0
+ /* should be handled */
+ if (index == PRIO_IPI_1)
+ return index;
+ if (index == PRIO_IPI_2)
+ return index;
+ if (index == PRIO_IPI_3)
+ return index;
+ if (index == PRIO_IPI_4)
+ return index;
+#endif
+
+ /* HACK: we need to ACK unhandled interrupts here */
+ if (!irq_desc[index].action) {
+ printk(KERN_WARNING "IRQ 0x%02x unhandled, doing local EOI\n", index);
+ out_be64(my_iic_base + 0x60, 0);
+ iic_eoi(NULL);
+ return NO_IRQ;
+ }
+
+ if (index == 0x7C)
+ return NO_IRQ;
+ else
+ return index;
+}
+
+static int xenon_irq_host_map(struct irq_domain *h, unsigned int virq,
+ irq_hw_number_t hw)
+{
+ irq_set_chip_and_handler(virq, &xenon_pic, handle_percpu_irq);
+ return 0;
+}
+
+static int xenon_irq_host_match(struct irq_domain *h, struct device_node *node)
+{
+ return h->host_data != NULL && node == h->host_data;
+}
+
+static const struct irq_domain_ops xenon_irq_host_ops = {
+ .map = xenon_irq_host_map,
+ .match = xenon_irq_host_match,
+};
+
+void __init xenon_iic_init_IRQ(void)
+{
+ int i;
+ struct device_node *dn;
+ struct resource res;
+
+ printk(KERN_DEBUG "xenon IIC: init\n");
+
+ /* search for our interrupt controller inside the device tree */
+ for (dn = NULL;
+ (dn = of_find_node_by_name(dn, "interrupt-controller")) != NULL;) {
+ if (!of_device_is_compatible(dn, "xenon"))
+ continue;
+
+ if (of_address_to_resource(dn, 0, &res))
+ {
+ printk(KERN_WARNING "xenon IIC: Can't resolve addresses\n");
+ of_node_put(dn);
+ return;
+ }
+
+ iic_base = ioremap_nocache(res.start, 0x10000);
+
+ //host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0, &xenon_irq_host_ops, 0);
+ host = irq_domain_add_nomap(NULL, 0x80, &xenon_irq_host_ops, NULL);
+ host->host_data = of_node_get(dn);
+ BUG_ON(host == NULL);
+ irq_set_default_host(host);
+ }
+
+ ppc_md.get_irq = iic_get_irq;
+
+ bridge_base = ioremap_nocache(0xea000000, 0x10000);
+ biu = ioremap_nocache(0xe1000000, 0x2000000);
+ graphics = ioremap_nocache(0xec800000, 0x10000);
+
+ /* initialize interrupts */
+ writel(0, bridge_base);
+ writel(0x40000000, bridge_base + 4);
+
+ writel(0x40000000, biu + 0x40074);
+ writel(0xea000050, biu + 0x40078);
+
+ writel(0, bridge_base + 0xc);
+ writel(0x3, bridge_base);
+
+ /* disconnect all PCI IRQs until they are requested */
+ for (i=0; i<0x10; ++i)
+ writel(0, bridge_base + 0x10 + i * 4);
+
+ xenon_init_irq_on_cpu(0);
+}
+
+#ifdef CONFIG_SMP
+
+static int ipi_to_prio(int ipi)
+{
+ switch (ipi) {
+ case PPC_MSG_CALL_FUNCTION:
+ return PRIO_IPI_1;
+ break;
+ case PPC_MSG_CALL_FUNC_SINGLE:
+ return PRIO_IPI_2;
+ break;
+ case PPC_MSG_RESCHEDULE:
+ return PRIO_IPI_3;
+ break;
+ case PPC_MSG_DEBUGGER_BREAK:
+ return PRIO_IPI_4;
+ break;
+ default:
+ printk("unhandled ipi %d\n", ipi);
+ BUG();
+ }
+ return 0;
+}
+
+void xenon_cause_IPI(int target, int msg)
+{
+ int ipi_prio;
+
+ ipi_prio = ipi_to_prio(msg);
+
+ out_be64(iic_base + 0x10 + hard_smp_processor_id() * 0x1000, (0x10000<<target) | ipi_prio);
+}
+
+/*
+static irqreturn_t xenon_ipi_action(int irq, void *dev_id)
+{
+ int ipi = (int)(long)dev_id;
+ smp_request_message_ipi(irq, ipi);
+ return IRQ_HANDLED;
+}
+*/
+
+static void xenon_request_ipi(int ipi, const char *name)
+{
+ int prio = ipi_to_prio(ipi), virq;
+
+ virq = irq_create_mapping(host, prio);
+ if (virq == NO_IRQ)
+ {
+ printk(KERN_ERR
+ "xenon_request_ipi: failed to map IPI%d (%s)\n", prio, name);
+ return;
+ }
+
+ smp_request_message_ipi(virq, ipi);
+ /*
+ if (request_irq(prio, xenon_ipi_action, IRQF_DISABLED,
+ name, (void *)(long)ipi))
+ printk(KERN_ERR "request irq for ipi failed!\n");
+ */
+}
+
+void xenon_request_IPIs(void)
+{
+ xenon_request_ipi(PPC_MSG_CALL_FUNCTION, "IPI-call");
+ xenon_request_ipi(PPC_MSG_RESCHEDULE, "IPI-resched");
+ xenon_request_ipi(PPC_MSG_CALL_FUNC_SINGLE, "IPI-call-single");
+#ifdef CONFIG_DEBUGGER
+ xenon_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug");
+#endif /* CONFIG_DEBUGGER */
+}
+
+#endif
+
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/interrupt.h linux-3.4.58-xenon/arch/powerpc/platforms/xenon/interrupt.h
--- linux-3.4.58/arch/powerpc/platforms/xenon/interrupt.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/interrupt.h 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,10 @@
+#ifndef XENON_INTERRUPT_H
+#define XENON_INTERRUPT_H
+
+extern void xenon_init_irq_on_cpu(int cpu);
+extern void __init xenon_iic_init_IRQ(void);
+extern void xenon_cause_IPI(int target, int msg);
+extern void xenon_request_IPIs(void);
+
+#endif /* ASM_XENON_PIC_H */
+
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/Kconfig linux-3.4.58-xenon/arch/powerpc/platforms/xenon/Kconfig
--- linux-3.4.58/arch/powerpc/platforms/xenon/Kconfig 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/Kconfig 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,8 @@
+config PPC_XENON
+ bool "Xenon"
+ depends on PPC64
+ select PPC_NATIVE
+ default y
+ help
+ This option enables support for the Xbox 360 game console
+ without a hypervisor.
\ No newline at end of file
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/Makefile linux-3.4.58-xenon/arch/powerpc/platforms/xenon/Makefile
--- linux-3.4.58/arch/powerpc/platforms/xenon/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/Makefile 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,3 @@
+obj-y += setup.o interrupt.o pci.o time.o hardware.o
+
+obj-$(CONFIG_SMP) += smp.o
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/pci.c linux-3.4.58-xenon/arch/powerpc/platforms/xenon/pci.c
--- linux-3.4.58/arch/powerpc/platforms/xenon/pci.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/pci.c 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,313 @@
+/*
+ * Xenon PCI support
+ * Maintained by: Felix Domke <[email protected]>
+ * Minor modification by: wolie <[email protected]>
+ * based on:
+ * Copyright (C) 2004 Benjamin Herrenschmuidt ([email protected]),
+ * IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+
+#include <asm/sections.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/machdep.h>
+#include <asm/iommu.h>
+#include <asm/ppc-pci.h>
+
+#ifdef DEBUG
+#define DBG(x...) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+#define OFFSET(bus, slot, func) \
+ ((((bus) << 8) + PCI_DEVFN(slot, func)) << 12)
+
+static int xenon_pci_read_config(struct pci_bus *bus, unsigned int devfn,
+ int offset, int len, u32 *val)
+{
+ struct pci_controller *hose;
+ unsigned int slot = PCI_SLOT(devfn);
+ unsigned int func = PCI_FUNC(devfn);
+ void* addr;
+
+ hose = pci_bus_to_host(bus);
+ if (hose == NULL)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ DBG("xenon_pci_read_config, slot %d, func %d\n", slot, func);
+
+#if 0
+ if (PCI_SLOT(devfn) >= 32)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ if (PCI_SLOT(devfn) == 3)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ if (PCI_SLOT(devfn) == 6)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ if (PCI_SLOT(devfn) == 0xB)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ if (PCI_FUNC(devfn) >= 2)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+#endif
+ DBG("xenon_pci_read_config, %p, devfn=%d, offset=%d, len=%d\n", bus, devfn, offset, len);
+
+ addr = ((void*)hose->cfg_addr) + offset;
+
+ /* map GPU to slot 0x0f */
+ if (slot == 0x0f)
+ addr += OFFSET(0, 0x02, func);
+ else
+ addr += OFFSET(1, slot, func);
+
+ /*
+ * Note: the caller has already checked that offset is
+ * suitably aligned and that len is 1, 2 or 4.
+ */
+ switch (len) {
+ case 1:
+ *val = in_8((u8 *)addr);
+ break;
+ case 2:
+ *val = in_le16((u16 *)addr);
+ break;
+ default:
+ *val = in_le32((u32 *)addr);
+ break;
+ }
+ DBG("->%08x\n", (int)*val);
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int xenon_pci_write_config(struct pci_bus *bus, unsigned int devfn,
+ int offset, int len, u32 val)
+{
+ struct pci_controller *hose;
+ unsigned int slot = PCI_SLOT(devfn);
+ unsigned int func = PCI_FUNC(devfn);
+ void *addr;
+
+ hose = pci_bus_to_host(bus);
+ if (hose == NULL)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ DBG("xenon_pci_write_config, slot %d, func %d\n", slot, func);
+
+ if (PCI_SLOT(devfn) >= 32)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+#if 0
+ if (PCI_SLOT(devfn) == 3)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+#endif
+ DBG("xenon_pci_write_config, %p, devfn=%d, offset=%x, len=%d, val=%08x\n", bus, devfn, offset, len, val);
+
+ addr = ((void*)hose->cfg_addr) + offset;
+
+ /* map GPU to slot 0x0f */
+ if (slot == 0x0f)
+ addr += OFFSET(0, 0x02, func);
+ else
+ addr += OFFSET(1, slot, func);
+
+ if (len == 4)
+ DBG("was: %08x\n", readl(addr));
+ if (len == 2)
+ DBG("was: %04x\n", readw(addr));
+ if (len == 1)
+ DBG("was: %02x\n", readb(addr));
+ /*
+ * Note: the caller has already checked that offset is
+ * suitably aligned and that len is 1, 2 or 4.
+ */
+ switch (len) {
+ case 1:
+ writeb(val, addr);
+ break;
+ case 2:
+ writew(val, addr);
+ break;
+ default:
+ writel(val, addr);
+ break;
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops xenon_pci_ops =
+{
+ .read = xenon_pci_read_config,
+ .write = xenon_pci_write_config,
+};
+
+
+#if 1
+void __init xenon_pci_init(void)
+{
+ struct pci_controller *hose;
+ struct device_node *np, *root;
+ struct device_node *dev = NULL;
+
+ root = of_find_node_by_path("/");
+ if (root == NULL) {
+ printk(KERN_CRIT "xenon_pci_init: can't find root of device tree\n");
+ return;
+ }
+ for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) {
+ if (np->name == NULL)
+ continue;
+ // printk("found node %p %s\n", np, np->name);
+ if (strcmp(np->name, "pci") == 0) {
+ of_node_get(np);
+ dev = np;
+ }
+ }
+ of_node_put(root);
+
+ if (!dev)
+ {
+ printk("couldn't find PCI node!\n");
+ return;
+ }
+
+ hose = pcibios_alloc_controller(dev);
+ if (hose == NULL)
+ {
+ printk("pcibios_alloc_controller failed!\n");
+ return;
+ }
+
+ hose->first_busno = 0;
+ hose->last_busno = 1;
+
+ hose->ops = &xenon_pci_ops;
+ hose->cfg_addr = ioremap(0xd0000000, 0x1000000);
+
+ pci_process_bridge_OF_ranges(hose, dev, 1);
+
+ /* Setup the linkage between OF nodes and PHBs */
+ pci_devs_phb_init();
+
+// of_rescan_bus(root, ci_bus *bus)
+
+ /* Tell pci.c to not change any resource allocations. */
+ pci_set_flags(PCI_PROBE_ONLY);
+
+ of_node_put(dev);
+ DBG("PCI initialized\n");
+
+ pci_io_base = 0;
+
+ // pcibios_scan_phb(hose, dev);
+
+ ppc_md.pci_dma_dev_setup = NULL;
+ ppc_md.pci_dma_bus_setup = NULL;
+ set_pci_dma_ops(&dma_direct_ops);
+}
+
+#else
+
+
+static int __init xenon_add_bridge(struct device_node *dev)
+{
+ int len;
+ struct pci_controller *hose;
+ struct resource rsrc;
+ char *disp_name;
+ const int *bus_range;
+ int primary = 1, has_address = 0;
+
+ printk(KERN_DEBUG "Adding PCI host bridge %s\n", dev->full_name);
+
+ /* Fetch host bridge registers address */
+ has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
+
+ /* Get bus range if any */
+ bus_range = of_get_property(dev, "bus-range", &len);
+ if (bus_range == NULL || len < 2 * sizeof(int)) {
+ printk(KERN_WARNING "Can't get bus-range for %s, assume"
+ " bus 0\n", dev->full_name);
+ }
+
+ hose = pcibios_alloc_controller(dev);
+ if (!hose)
+ return -ENOMEM;
+ hose->first_busno = bus_range ? bus_range[0] : 0;
+ hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+ hose->ops = &xenon_pci_ops;
+
+ /* FIXME: should come from config */
+ hose->cfg_addr = ioremap(0xd0000000, 0x1000000);
+
+ disp_name = NULL;
+
+ printk(KERN_INFO "Found %s PCI host bridge at 0x%016llx. "
+ "Firmware bus number: %d->%d\n",
+ disp_name, (unsigned long long)rsrc.start, hose->first_busno,
+ hose->last_busno);
+
+ printk(KERN_DEBUG " ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
+ hose, hose->cfg_addr, hose->cfg_data);
+
+ /* Interpret the "ranges" property */
+ /* This also maps the I/O region and sets isa_io/mem_base */
+ pci_process_bridge_OF_ranges(hose, dev, primary);
+
+ /* Fixup "bus-range" OF property */
+ // fixup_bus_range(dev);
+
+ return 0;
+}
+
+void __init xenon_pci_init(void)
+{
+ struct device_node *np, *root;
+
+ ppc_pci_set_flags(PPC_PCI_CAN_SKIP_ISA_ALIGN);
+
+ root = of_find_node_by_path("/");
+ if (root == NULL) {
+ printk(KERN_CRIT "xenon_pci_init: can't find root "
+ "of device tree\n");
+ return;
+ }
+ for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) {
+ if (np->name == NULL)
+ continue;
+ if (strcmp(np->name, "pci") == 0) {
+ if (xenon_add_bridge(np) == 0)
+ of_node_get(np);
+ }
+ }
+ of_node_put(root);
+
+ /* Setup the linkage between OF nodes and PHBs */
+ pci_devs_phb_init();
+
+
+ /* We can allocate missing resources if any */
+ pci_probe_only = 0;
+ pci_probe_only = 1;
+
+ /* do we need that? */
+ pci_io_base = 0;
+
+ /* do we need that? */
+ ppc_md.pci_dma_dev_setup = NULL;
+ ppc_md.pci_dma_bus_setup = NULL;
+ set_pci_dma_ops(&dma_direct_ops);
+}
+
+#endif
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/pci.h linux-3.4.58-xenon/arch/powerpc/platforms/xenon/pci.h
--- linux-3.4.58/arch/powerpc/platforms/xenon/pci.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/pci.h 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,7 @@
+#ifndef XENON_PCI_H
+#define XENON_PCI_H
+
+extern void __init xenon_pci_init(void);
+
+#endif
+
diff -NurpP --minimal linux-3.4.58/arch/powerpc/platforms/xenon/setup.c linux-3.4.58-xenon/arch/powerpc/platforms/xenon/setup.c
--- linux-3.4.58/arch/powerpc/platforms/xenon/setup.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.4.58-xenon/arch/powerpc/platforms/xenon/setup.c 2013-08-19 11:22:59.720691495 +0200
@@ -0,0 +1,150 @@
+/*
+ * linux/arch/powerpc/platforms/xenon/xenon_setup.c
+ *
+ * Maintained by: Felix Domke <[email protected]>
+ * Minor modification by: wolie <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/root_dev.h>
+#include <linux/console.h>
+#include <linux/kexec.h>
+
+#include <asm/mmu-hash64.h>
+
+#include <asm/mmu.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc-pci.h>
+#include "interrupt.h"
+#include "pci.h"
+#include "smp.h"
+
+static void xenon_show_cpuinfo(struct seq_file *m)
+{
+ struct device_node *root;
+ const char *model = "";
+
+ root = of_find_node_by_path("/");
+ if (root)
+ model = of_get_property(root, "model", NULL);
+ seq_printf(m, "machine\t\t: %s\n", model);
+ of_node_put(root);
+}
+
+static void __init xenon_init_irq(void)
+{
+ xenon_iic_init_IRQ();
+}
+
+static void __init xenon_setup_arch(void)
+{
+#ifdef CONFIG_SMP
+ smp_init_xenon();
+#endif
+ /* init to some ~sane value until calibrate_delay() runs */
+ loops_per_jiffy = 50000000;
+
+ if (ROOT_DEV == 0)
+ ROOT_DEV = Root_SDA1;
+
+ xenon_pci_init();
+#ifdef CONFIG_DUMMY_CONSOLE
+ conswitchp = &dummy_con;
+#endif
+}
+
+static int __init xenon_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();