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-rw-r--r--arch/mips/loongson64/common/Makefile1
-rw-r--r--arch/mips/loongson64/common/init.c2
-rw-r--r--arch/mips/loongson64/fuloong-2e/Makefile2
-rw-r--r--arch/mips/loongson64/fuloong-2e/dma.c12
-rw-r--r--arch/mips/loongson64/lemote-2f/Makefile2
-rw-r--r--arch/mips/loongson64/lemote-2f/dma.c (renamed from arch/mips/loongson64/common/dma.c)4
-rw-r--r--arch/mips/loongson64/loongson-3/irq.c56
-rw-r--r--arch/mips/loongson64/loongson-3/numa.c37
-rw-r--r--arch/mips/loongson64/loongson-3/smp.c14
9 files changed, 46 insertions, 84 deletions
diff --git a/arch/mips/loongson64/common/Makefile b/arch/mips/loongson64/common/Makefile
index 57ee03022941..684624f61f5a 100644
--- a/arch/mips/loongson64/common/Makefile
+++ b/arch/mips/loongson64/common/Makefile
@@ -6,7 +6,6 @@
obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \
bonito-irq.o mem.o machtype.o platform.o serial.o
obj-$(CONFIG_PCI) += pci.o
-obj-$(CONFIG_CPU_LOONGSON2) += dma.o
#
# Serial port support
diff --git a/arch/mips/loongson64/common/init.c b/arch/mips/loongson64/common/init.c
index 6ef17120722f..c073fbcb9805 100644
--- a/arch/mips/loongson64/common/init.c
+++ b/arch/mips/loongson64/common/init.c
@@ -8,7 +8,7 @@
* option) any later version.
*/
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <asm/bootinfo.h>
#include <asm/traps.h>
#include <asm/smp-ops.h>
diff --git a/arch/mips/loongson64/fuloong-2e/Makefile b/arch/mips/loongson64/fuloong-2e/Makefile
index b7622720c1ad..0a9a472bec0a 100644
--- a/arch/mips/loongson64/fuloong-2e/Makefile
+++ b/arch/mips/loongson64/fuloong-2e/Makefile
@@ -2,4 +2,4 @@
# Makefile for Lemote Fuloong2e mini-PC board.
#
-obj-y += irq.o reset.o
+obj-y += irq.o reset.o dma.o
diff --git a/arch/mips/loongson64/fuloong-2e/dma.c b/arch/mips/loongson64/fuloong-2e/dma.c
new file mode 100644
index 000000000000..e122292bf666
--- /dev/null
+++ b/arch/mips/loongson64/fuloong-2e/dma.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/dma-direct.h>
+
+dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ return paddr | 0x80000000;
+}
+
+phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
+{
+ return dma_addr & 0x7fffffff;
+}
diff --git a/arch/mips/loongson64/lemote-2f/Makefile b/arch/mips/loongson64/lemote-2f/Makefile
index 08b8abcbfef5..b5792c334cd5 100644
--- a/arch/mips/loongson64/lemote-2f/Makefile
+++ b/arch/mips/loongson64/lemote-2f/Makefile
@@ -2,7 +2,7 @@
# Makefile for lemote loongson2f family machines
#
-obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o
+obj-y += clock.o machtype.o irq.o reset.o dma.o ec_kb3310b.o
#
# Suspend Support
diff --git a/arch/mips/loongson64/common/dma.c b/arch/mips/loongson64/lemote-2f/dma.c
index 48f04126bde2..abf0e39d7e46 100644
--- a/arch/mips/loongson64/common/dma.c
+++ b/arch/mips/loongson64/lemote-2f/dma.c
@@ -8,11 +8,7 @@ dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
{
-#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
if (dma_addr > 0x8fffffff)
return dma_addr;
return dma_addr & 0x0fffffff;
-#else
- return dma_addr & 0x7fffffff;
-#endif
}
diff --git a/arch/mips/loongson64/loongson-3/irq.c b/arch/mips/loongson64/loongson-3/irq.c
index cbeb20f9fc95..5605061f5f98 100644
--- a/arch/mips/loongson64/loongson-3/irq.c
+++ b/arch/mips/loongson64/loongson-3/irq.c
@@ -96,51 +96,8 @@ void mach_irq_dispatch(unsigned int pending)
}
}
-static struct irqaction cascade_irqaction = {
- .handler = no_action,
- .flags = IRQF_NO_SUSPEND,
- .name = "cascade",
-};
-
-static inline void mask_loongson_irq(struct irq_data *d)
-{
- clear_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
- irq_disable_hazard();
-
- /* Workaround: UART IRQ may deliver to any core */
- if (d->irq == LOONGSON_UART_IRQ) {
- int cpu = smp_processor_id();
- int node_id = cpu_logical_map(cpu) / loongson_sysconf.cores_per_node;
- int core_id = cpu_logical_map(cpu) % loongson_sysconf.cores_per_node;
- u64 intenclr_addr = smp_group[node_id] |
- (u64)(&LOONGSON_INT_ROUTER_INTENCLR);
- u64 introuter_lpc_addr = smp_group[node_id] |
- (u64)(&LOONGSON_INT_ROUTER_LPC);
-
- *(volatile u32 *)intenclr_addr = 1 << 10;
- *(volatile u8 *)introuter_lpc_addr = 0x10 + (1<<core_id);
- }
-}
-
-static inline void unmask_loongson_irq(struct irq_data *d)
-{
- /* Workaround: UART IRQ may deliver to any core */
- if (d->irq == LOONGSON_UART_IRQ) {
- int cpu = smp_processor_id();
- int node_id = cpu_logical_map(cpu) / loongson_sysconf.cores_per_node;
- int core_id = cpu_logical_map(cpu) % loongson_sysconf.cores_per_node;
- u64 intenset_addr = smp_group[node_id] |
- (u64)(&LOONGSON_INT_ROUTER_INTENSET);
- u64 introuter_lpc_addr = smp_group[node_id] |
- (u64)(&LOONGSON_INT_ROUTER_LPC);
-
- *(volatile u32 *)intenset_addr = 1 << 10;
- *(volatile u8 *)introuter_lpc_addr = 0x10 + (1<<core_id);
- }
-
- set_c0_status(0x100 << (d->irq - MIPS_CPU_IRQ_BASE));
- irq_enable_hazard();
-}
+static inline void mask_loongson_irq(struct irq_data *d) { }
+static inline void unmask_loongson_irq(struct irq_data *d) { }
/* For MIPS IRQs which shared by all cores */
static struct irq_chip loongson_irq_chip = {
@@ -183,12 +140,11 @@ void __init mach_init_irq(void)
chip->irq_set_affinity = plat_set_irq_affinity;
irq_set_chip_and_handler(LOONGSON_UART_IRQ,
- &loongson_irq_chip, handle_level_irq);
-
- /* setup HT1 irq */
- setup_irq(LOONGSON_HT1_IRQ, &cascade_irqaction);
+ &loongson_irq_chip, handle_percpu_irq);
+ irq_set_chip_and_handler(LOONGSON_BRIDGE_IRQ,
+ &loongson_irq_chip, handle_percpu_irq);
- set_c0_status(STATUSF_IP2 | STATUSF_IP6);
+ set_c0_status(STATUSF_IP2 | STATUSF_IP3 | STATUSF_IP6);
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c
index 9717106de4a5..622761878cd1 100644
--- a/arch/mips/loongson64/loongson-3/numa.c
+++ b/arch/mips/loongson64/loongson-3/numa.c
@@ -18,7 +18,6 @@
#include <linux/nodemask.h>
#include <linux/swap.h>
#include <linux/memblock.h>
-#include <linux/bootmem.h>
#include <linux/pfn.h>
#include <linux/highmem.h>
#include <asm/page.h>
@@ -180,43 +179,39 @@ static void __init szmem(unsigned int node)
static void __init node_mem_init(unsigned int node)
{
- unsigned long bootmap_size;
unsigned long node_addrspace_offset;
- unsigned long start_pfn, end_pfn, freepfn;
+ unsigned long start_pfn, end_pfn;
node_addrspace_offset = nid_to_addroffset(node);
pr_info("Node%d's addrspace_offset is 0x%lx\n",
node, node_addrspace_offset);
get_pfn_range_for_nid(node, &start_pfn, &end_pfn);
- freepfn = start_pfn;
- if (node == 0)
- freepfn = PFN_UP(__pa_symbol(&_end)); /* kernel end address */
- pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx, freepfn=0x%lx\n",
- node, start_pfn, end_pfn, freepfn);
+ pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx\n",
+ node, start_pfn, end_pfn);
__node_data[node] = prealloc__node_data + node;
- NODE_DATA(node)->bdata = &bootmem_node_data[node];
NODE_DATA(node)->node_start_pfn = start_pfn;
NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;
- bootmap_size = init_bootmem_node(NODE_DATA(node), freepfn,
- start_pfn, end_pfn);
free_bootmem_with_active_regions(node, end_pfn);
- if (node == 0) /* used by finalize_initrd() */
+
+ if (node == 0) {
+ /* kernel end address */
+ unsigned long kernel_end_pfn = PFN_UP(__pa_symbol(&_end));
+
+ /* used by finalize_initrd() */
max_low_pfn = end_pfn;
- /* This is reserved for the kernel and bdata->node_bootmem_map */
- reserve_bootmem_node(NODE_DATA(node), start_pfn << PAGE_SHIFT,
- ((freepfn - start_pfn) << PAGE_SHIFT) + bootmap_size,
- BOOTMEM_DEFAULT);
+ /* Reserve the kernel text/data/bss */
+ memblock_reserve(start_pfn << PAGE_SHIFT,
+ ((kernel_end_pfn - start_pfn) << PAGE_SHIFT));
- if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
/* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */
- reserve_bootmem_node(NODE_DATA(node),
- (node_addrspace_offset | 0xfe000000),
- 32 << 20, BOOTMEM_DEFAULT);
+ if (node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT))
+ memblock_reserve((node_addrspace_offset | 0xfe000000),
+ 32 << 20);
}
sparse_memory_present_with_active_regions(node);
@@ -276,7 +271,7 @@ void __init paging_init(void)
void __init mem_init(void)
{
high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
- free_all_bootmem();
+ memblock_free_all();
setup_zero_pages(); /* This comes from node 0 */
mem_init_print_info(NULL);
}
diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c
index fea95d003269..b5c1e0aa955e 100644
--- a/arch/mips/loongson64/loongson-3/smp.c
+++ b/arch/mips/loongson64/loongson-3/smp.c
@@ -21,6 +21,7 @@
#include <linux/sched/task_stack.h>
#include <linux/smp.h>
#include <linux/cpufreq.h>
+#include <linux/kexec.h>
#include <asm/processor.h>
#include <asm/time.h>
#include <asm/clock.h>
@@ -349,7 +350,7 @@ static void loongson3_smp_finish(void)
write_c0_compare(read_c0_count() + mips_hpt_frequency/HZ);
local_irq_enable();
loongson3_ipi_write64(0,
- (void *)(ipi_mailbox_buf[cpu_logical_map(cpu)]+0x0));
+ ipi_mailbox_buf[cpu_logical_map(cpu)] + 0x0);
pr_info("CPU#%d finished, CP0_ST=%x\n",
smp_processor_id(), read_c0_status());
}
@@ -416,13 +417,13 @@ static int loongson3_boot_secondary(int cpu, struct task_struct *idle)
cpu, startargs[0], startargs[1], startargs[2]);
loongson3_ipi_write64(startargs[3],
- (void *)(ipi_mailbox_buf[cpu_logical_map(cpu)]+0x18));
+ ipi_mailbox_buf[cpu_logical_map(cpu)] + 0x18);
loongson3_ipi_write64(startargs[2],
- (void *)(ipi_mailbox_buf[cpu_logical_map(cpu)]+0x10));
+ ipi_mailbox_buf[cpu_logical_map(cpu)] + 0x10);
loongson3_ipi_write64(startargs[1],
- (void *)(ipi_mailbox_buf[cpu_logical_map(cpu)]+0x8));
+ ipi_mailbox_buf[cpu_logical_map(cpu)] + 0x8);
loongson3_ipi_write64(startargs[0],
- (void *)(ipi_mailbox_buf[cpu_logical_map(cpu)]+0x0));
+ ipi_mailbox_buf[cpu_logical_map(cpu)] + 0x0);
return 0;
}
@@ -749,4 +750,7 @@ const struct plat_smp_ops loongson3_smp_ops = {
.cpu_disable = loongson3_cpu_disable,
.cpu_die = loongson3_cpu_die,
#endif
+#ifdef CONFIG_KEXEC
+ .kexec_nonboot_cpu = kexec_nonboot_cpu_jump,
+#endif
};
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