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-rw-r--r--arch/mips/Kconfig2
-rw-r--r--arch/mips/bcm47xx/Kconfig1
-rw-r--r--arch/mips/cavium-octeon/octeon-platform.c5
-rw-r--r--arch/mips/include/asm/cpu-features.h2
-rw-r--r--arch/mips/include/asm/mach-generic/spaces.h4
-rw-r--r--arch/mips/include/uapi/asm/siginfo.h7
-rw-r--r--arch/mips/kernel/bmips_vec.S6
-rw-r--r--arch/mips/kernel/smp-bmips.c24
-rw-r--r--arch/mips/kernel/traps.c1
-rw-r--r--arch/mips/kvm/Kconfig1
-rw-r--r--arch/mips/mm/tlbex.c4
-rw-r--r--arch/mips/netlogic/common/irq.c68
-rw-r--r--arch/mips/netlogic/dts/xlp_evp.dts3
-rw-r--r--arch/mips/netlogic/dts/xlp_svp.dts3
-rw-r--r--arch/mips/netlogic/xlp/usb-init.c2
-rw-r--r--arch/mips/oprofile/op_model_mipsxx.c2
-rw-r--r--arch/mips/pnx833x/common/platform.c2
-rw-r--r--arch/mips/powertv/asic/asic_devices.c3
18 files changed, 103 insertions, 37 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4758a8fd3e9..e12764c2a9d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -114,6 +114,7 @@ config BCM47XX
select FW_CFE
select HW_HAS_PCI
select IRQ_CPU
+ select SYS_HAS_CPU_MIPS32_R1
select NO_EXCEPT_FILL
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -1702,6 +1703,7 @@ endchoice
config KVM_GUEST
bool "KVM Guest Kernel"
+ depends on BROKEN_ON_SMP
help
Select this option if building a guest kernel for KVM (Trap & Emulate) mode
diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig
index ba611927749..2b8b118398c 100644
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -2,7 +2,6 @@ if BCM47XX
config BCM47XX_SSB
bool "SSB Support for Broadcom BCM47XX"
- select SYS_HAS_CPU_MIPS32_R1
select SSB
select SSB_DRIVER_MIPS
select SSB_DRIVER_EXTIF
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 7b746e7bf7a..1830874ff1e 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -334,9 +334,10 @@ static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac)
char name_buffer[20];
int iface;
int p;
- int count;
+ int count = 0;
- count = cvmx_helper_interface_enumerate(idx);
+ if (cvmx_helper_interface_enumerate(idx) == 0)
+ count = cvmx_helper_ports_on_interface(idx);
snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx);
iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer);
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 1dc086087a7..fa44f3ec530 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -17,6 +17,8 @@
#define current_cpu_type() current_cpu_data.cputype
#endif
+#define boot_cpu_type() cpu_data[0].cputype
+
/*
* SMP assumption: Options of CPU 0 are a superset of all processors.
* This is true for all known MIPS systems.
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
index 5b2f2e68e57..9488fa5f886 100644
--- a/arch/mips/include/asm/mach-generic/spaces.h
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -25,8 +25,12 @@
#else
#define CAC_BASE _AC(0x80000000, UL)
#endif
+#ifndef IO_BASE
#define IO_BASE _AC(0xa0000000, UL)
+#endif
+#ifndef UNCAC_BASE
#define UNCAC_BASE _AC(0xa0000000, UL)
+#endif
#ifndef MAP_BASE
#ifdef CONFIG_KVM_GUEST
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index b7a23064841..88e292b7719 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -25,11 +25,12 @@ struct siginfo;
/*
* Careful to keep union _sifields from shifting ...
*/
-#if __SIZEOF_LONG__ == 4
+#if _MIPS_SZLONG == 32
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
-#endif
-#if __SIZEOF_LONG__ == 8
+#elif _MIPS_SZLONG == 64
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#else
+#error _MIPS_SZLONG neither 32 nor 64
#endif
#include <asm-generic/siginfo.h>
diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S
index f739aedcb50..bd79c4f9bff 100644
--- a/arch/mips/kernel/bmips_vec.S
+++ b/arch/mips/kernel/bmips_vec.S
@@ -54,7 +54,11 @@ LEAF(bmips_smp_movevec)
/* set up CPU1 CBR; move BASE to 0xa000_0000 */
li k0, 0xff400000
mtc0 k0, $22, 6
- li k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_1
+ /* set up relocation vector address based on thread ID */
+ mfc0 k1, $22, 3
+ srl k1, 16
+ andi k1, 0x8000
+ or k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_0
or k0, k1
li k1, 0xa0080000
sw k1, 0(k0)
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 76f31353e71..126da74d4c5 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -66,6 +66,8 @@ static void __init bmips_smp_setup(void)
int i, cpu = 1, boot_cpu = 0;
#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380)
+ int cpu_hw_intr;
+
/* arbitration priority */
clear_c0_brcm_cmt_ctrl(0x30);
@@ -79,15 +81,13 @@ static void __init bmips_smp_setup(void)
* MIPS interrupts 0,1 (SW INT 0,1) cross over to the other thread
* MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output
* MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output
- *
- * If booting from TP1, leave the existing CMT interrupt routing
- * such that TP0 responds to SW1 and TP1 responds to SW0.
*/
if (boot_cpu == 0)
- change_c0_brcm_cmt_intr(0xf8018000,
- (0x02 << 27) | (0x03 << 15));
+ cpu_hw_intr = 0x02;
else
- change_c0_brcm_cmt_intr(0xf8018000, (0x1d << 27));
+ cpu_hw_intr = 0x1d;
+
+ change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15));
/* single core, 2 threads (2 pipelines) */
max_cpus = 2;
@@ -173,7 +173,7 @@ static void bmips_boot_secondary(int cpu, struct task_struct *idle)
else {
#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380)
/* Reset slave TP1 if booting from TP0 */
- if (cpu_logical_map(cpu) == 0)
+ if (cpu_logical_map(cpu) == 1)
set_c0_brcm_cmt_ctrl(0x01);
#elif defined(CONFIG_CPU_BMIPS5000)
if (cpu & 0x01)
@@ -202,9 +202,15 @@ static void bmips_init_secondary(void)
#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380)
void __iomem *cbr = BMIPS_GET_CBR();
unsigned long old_vec;
+ unsigned long relo_vector;
+ int boot_cpu;
+
+ boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31));
+ relo_vector = boot_cpu ? BMIPS_RELO_VECTOR_CONTROL_0 :
+ BMIPS_RELO_VECTOR_CONTROL_1;
- old_vec = __raw_readl(cbr + BMIPS_RELO_VECTOR_CONTROL_1);
- __raw_writel(old_vec & ~0x20000000, cbr + BMIPS_RELO_VECTOR_CONTROL_1);
+ old_vec = __raw_readl(cbr + relo_vector);
+ __raw_writel(old_vec & ~0x20000000, cbr + relo_vector);
clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0);
#elif defined(CONFIG_CPU_BMIPS5000)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index c89568f88bf..aec3408edd4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1242,7 +1242,6 @@ asmlinkage void do_mcheck(struct pt_regs *regs)
panic("Caught Machine Check exception - %scaused by multiple "
"matching entries in the TLB.",
(multi_match) ? "" : "not ");
- exception_exit(prev_state);
}
asmlinkage void do_mt(struct pt_regs *regs)
diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig
index 2c15590e55f..30e334e823b 100644
--- a/arch/mips/kvm/Kconfig
+++ b/arch/mips/kvm/Kconfig
@@ -5,7 +5,6 @@ source "virt/kvm/Kconfig"
menuconfig VIRTUALIZATION
bool "Virtualization"
- depends on HAVE_KVM
---help---
Say Y here to get to see options for using your Linux host to run
other operating systems inside virtual machines (guests).
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 34fce2b2095..556cb481577 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1456,7 +1456,7 @@ static void build_r4000_setup_pgd(void)
{
const int a0 = 4;
const int a1 = 5;
- u32 *p = tlbmiss_handler_setup_pgd_array;
+ u32 *p = tlbmiss_handler_setup_pgd;
const int tlbmiss_handler_setup_pgd_size =
tlbmiss_handler_setup_pgd_end - tlbmiss_handler_setup_pgd;
struct uasm_label *l = labels;
@@ -1793,7 +1793,7 @@ static void build_r3000_tlb_store_handler(void)
uasm_i_j(&p, (unsigned long)tlb_do_page_fault_1 & 0x0fffffff);
uasm_i_nop(&p);
- if (p >= handle_tlbs)
+ if (p >= handle_tlbs_end)
panic("TLB store handler fastpath space exceeded");
uasm_resolve_relocs(relocs, labels);
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 73facb2b33b..1c7e3a1b81a 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -40,6 +40,10 @@
#include <linux/slab.h>
#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+
#include <asm/errno.h>
#include <asm/signal.h>
#include <asm/ptrace.h>
@@ -223,17 +227,6 @@ static void nlm_init_node_irqs(int node)
nodep->irqmask = irqmask;
}
-void __init arch_init_irq(void)
-{
- /* Initialize the irq descriptors */
- nlm_init_percpu_irqs();
- nlm_init_node_irqs(0);
- write_c0_eimr(nlm_current_node()->irqmask);
-#if defined(CONFIG_CPU_XLR)
- nlm_setup_fmn_irq();
-#endif
-}
-
void nlm_smp_irq_init(int hwcpuid)
{
int node, cpu;
@@ -266,3 +259,56 @@ asmlinkage void plat_irq_dispatch(void)
/* top level irq handling */
do_IRQ(nlm_irq_to_xirq(node, i));
}
+
+#ifdef CONFIG_OF
+static struct irq_domain *xlp_pic_domain;
+
+static const struct irq_domain_ops xlp_pic_irq_domain_ops = {
+ .xlate = irq_domain_xlate_onetwocell,
+};
+
+static int __init xlp_of_pic_init(struct device_node *node,
+ struct device_node *parent)
+{
+ const int n_picirqs = PIC_IRT_LAST_IRQ - PIC_IRQ_BASE + 1;
+ struct resource res;
+ int socid, ret;
+
+ /* we need a hack to get the PIC's SoC chip id */
+ ret = of_address_to_resource(node, 0, &res);
+ if (ret < 0) {
+ pr_err("PIC %s: reg property not found!\n", node->name);
+ return -EINVAL;
+ }
+ socid = (res.start >> 18) & 0x3;
+ xlp_pic_domain = irq_domain_add_legacy(node, n_picirqs,
+ nlm_irq_to_xirq(socid, PIC_IRQ_BASE), PIC_IRQ_BASE,
+ &xlp_pic_irq_domain_ops, NULL);
+ if (xlp_pic_domain == NULL) {
+ pr_err("PIC %s: Creating legacy domain failed!\n", node->name);
+ return -EINVAL;
+ }
+ pr_info("Node %d: IRQ domain created for PIC@%pa\n", socid,
+ &res.start);
+ return 0;
+}
+
+static struct of_device_id __initdata xlp_pic_irq_ids[] = {
+ { .compatible = "netlogic,xlp-pic", .data = xlp_of_pic_init },
+ {},
+};
+#endif
+
+void __init arch_init_irq(void)
+{
+ /* Initialize the irq descriptors */
+ nlm_init_percpu_irqs();
+ nlm_init_node_irqs(0);
+ write_c0_eimr(nlm_current_node()->irqmask);
+#if defined(CONFIG_CPU_XLR)
+ nlm_setup_fmn_irq();
+#endif
+#if defined(CONFIG_OF)
+ of_irq_init(xlp_pic_irq_ids);
+#endif
+}
diff --git a/arch/mips/netlogic/dts/xlp_evp.dts b/arch/mips/netlogic/dts/xlp_evp.dts
index e14f4230806..06407033678 100644
--- a/arch/mips/netlogic/dts/xlp_evp.dts
+++ b/arch/mips/netlogic/dts/xlp_evp.dts
@@ -76,10 +76,11 @@
};
};
pic: pic@4000 {
- interrupt-controller;
+ compatible = "netlogic,xlp-pic";
#address-cells = <0>;
#interrupt-cells = <1>;
reg = <0 0x4000 0x200>;
+ interrupt-controller;
};
nor_flash@1,0 {
diff --git a/arch/mips/netlogic/dts/xlp_svp.dts b/arch/mips/netlogic/dts/xlp_svp.dts
index 8af4bdbe5d9..9c5db102df5 100644
--- a/arch/mips/netlogic/dts/xlp_svp.dts
+++ b/arch/mips/netlogic/dts/xlp_svp.dts
@@ -76,10 +76,11 @@
};
};
pic: pic@4000 {
- interrupt-controller;
+ compatible = "netlogic,xlp-pic";
#address-cells = <0>;
#interrupt-cells = <1>;
reg = <0 0x4000 0x200>;
+ interrupt-controller;
};
nor_flash@1,0 {
diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c
index 9c401dd7833..ef3897ef0dc 100644
--- a/arch/mips/netlogic/xlp/usb-init.c
+++ b/arch/mips/netlogic/xlp/usb-init.c
@@ -119,7 +119,7 @@ static u64 xlp_usb_dmamask = ~(u32)0;
static void nlm_usb_fixup_final(struct pci_dev *dev)
{
dev->dev.dma_mask = &xlp_usb_dmamask;
- dev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
+ dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
switch (dev->devfn) {
case 0x10:
dev->irq = PIC_EHCI_0_IRQ;
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index e4b1140cdae..3a2b6e9f25c 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -166,7 +166,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr)
reg.control[i] |= M_PERFCTL_USER;
if (ctr[i].exl)
reg.control[i] |= M_PERFCTL_EXL;
- if (current_cpu_type() == CPU_XLR)
+ if (boot_cpu_type() == CPU_XLR)
reg.control[i] |= M_PERFCTL_COUNT_ALL_THREADS;
reg.counter[i] = 0x80000000 - ctr[i].count;
}
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index d22dc0d6f28..2b7e837dc2e 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -206,11 +206,13 @@ static struct resource pnx833x_ethernet_resources[] = {
.end = PNX8335_IP3902_PORTS_END,
.flags = IORESOURCE_MEM,
},
+#ifdef CONFIG_SOC_PNX8335
[1] = {
.start = PNX8335_PIC_ETHERNET_INT,
.end = PNX8335_PIC_ETHERNET_INT,
.flags = IORESOURCE_IRQ,
},
+#endif
};
static struct platform_device pnx833x_ethernet_device = {
diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c
index 9f64c238780..0238af1ba50 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -529,8 +529,7 @@ EXPORT_SYMBOL(asic_resource_get);
*/
void platform_release_memory(void *ptr, int size)
{
- free_reserved_area((unsigned long)ptr, (unsigned long)(ptr + size),
- -1, NULL);
+ free_reserved_area(ptr, ptr + size, -1, NULL);
}
EXPORT_SYMBOL(platform_release_memory);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-24 15:24:51 +0000