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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 06:24:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 06:24:26 -0700
commit20a9e57a09d32c9149e065b73b714b9681349619 (patch)
tree8d1bd46ea206e52934da08ca5a77446cd57ee767 /arch/h8300
parentad1d69735878a6bf797705b5d2a20316d35e1113 (diff)
parent4bdf61ccbe76ee0c14bf228e7277072179b36ba3 (diff)
Merge tag 'for-4.19' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux
Pull arch/h8300 updates from Yoshinori Sato. * tag 'for-4.19' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux: h8300: fix IRQ no arch/h8300: add a defconfig target arch/h8300: eliminate kgbd.c warning arch/h8300: eliminate ptrace.h warnings h8300:let the checker know that size_t is ulong h8300: Don't include linux/kernel.h in asm/atomic.h h8300: remove unnecessary of_platform_populate call h8300: Correct signature of test_bit() h8300: irqchip: fix warning h8300: switch to NO_BOOTMEM h8300: gcc-8.1 fix h8300: Add missing output register.
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/Kconfig1
-rw-r--r--arch/h8300/Makefile4
-rw-r--r--arch/h8300/boot/dts/h8300h_sim.dts2
-rw-r--r--arch/h8300/include/asm/bitops.h14
-rw-r--r--arch/h8300/include/asm/ptrace.h2
-rw-r--r--arch/h8300/kernel/kgdb.c2
-rw-r--r--arch/h8300/kernel/setup.c46
-rw-r--r--arch/h8300/kernel/sim-console.c7
8 files changed, 28 insertions, 50 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 5e89d40be8cd..0b334b671e90 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -16,6 +16,7 @@ config H8300
select OF_IRQ
select OF_EARLY_FLATTREE
select HAVE_MEMBLOCK
+ select NO_BOOTMEM
select TIMER_OF
select H8300_TMR8
select HAVE_KERNEL_GZIP
diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile
index e1c02ca230cb..cc12b162c222 100644
--- a/arch/h8300/Makefile
+++ b/arch/h8300/Makefile
@@ -8,6 +8,8 @@
# (C) Copyright 2002-2015 Yoshinori Sato <ysato@users.sourceforge.jp>
#
+KBUILD_DEFCONFIG := edosk2674_defconfig
+
cflags-$(CONFIG_CPU_H8300H) := -mh
aflags-$(CONFIG_CPU_H8300H) := -mh -Wa,--mach=h8300h
ldflags-$(CONFIG_CPU_H8300H) := -mh8300helf_linux
@@ -22,6 +24,8 @@ KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
KBUILD_AFLAGS += $(aflags-y)
LDFLAGS += $(ldflags-y)
+CHECKFLAGS += -msize-long
+
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := h8300-unknown-linux-
endif
diff --git a/arch/h8300/boot/dts/h8300h_sim.dts b/arch/h8300/boot/dts/h8300h_sim.dts
index f1c31cecdec8..595398b9d018 100644
--- a/arch/h8300/boot/dts/h8300h_sim.dts
+++ b/arch/h8300/boot/dts/h8300h_sim.dts
@@ -73,7 +73,7 @@
timer16: timer@ffff68 {
compatible = "renesas,16bit-timer";
reg = <0xffff68 8>, <0xffff60 8>;
- interrupts = <24 0>;
+ interrupts = <26 0>;
renesas,channel = <0>;
clocks = <&fclk>;
clock-names = "fck";
diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h
index ea0cb0cf6a8b..647a83bd40b7 100644
--- a/arch/h8300/include/asm/bitops.h
+++ b/arch/h8300/include/asm/bitops.h
@@ -29,11 +29,11 @@ static inline unsigned long ffz(unsigned long word)
result = -1;
__asm__("1:\n\t"
- "shlr.l %2\n\t"
+ "shlr.l %1\n\t"
"adds #1,%0\n\t"
"bcs 1b"
- : "=r"(result)
- : "0"(result), "r"(word));
+ : "=r"(result),"=r"(word)
+ : "0"(result), "1"(word));
return result;
}
@@ -66,7 +66,7 @@ H8300_GEN_BITOP(change_bit, "bnot")
#undef H8300_GEN_BITOP
-static inline int test_bit(int nr, const unsigned long *addr)
+static inline int test_bit(int nr, const volatile unsigned long *addr)
{
int ret = 0;
unsigned char *b_addr;
@@ -162,11 +162,11 @@ static inline unsigned long __ffs(unsigned long word)
result = -1;
__asm__("1:\n\t"
- "shlr.l %2\n\t"
+ "shlr.l %1\n\t"
"adds #1,%0\n\t"
"bcc 1b"
- : "=r" (result)
- : "0"(result), "r"(word));
+ : "=r" (result),"=r"(word)
+ : "0"(result), "1"(word));
return result;
}
diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h
index 313cafa85380..66d383848ff1 100644
--- a/arch/h8300/include/asm/ptrace.h
+++ b/arch/h8300/include/asm/ptrace.h
@@ -4,6 +4,8 @@
#include <uapi/asm/ptrace.h>
+struct task_struct;
+
#ifndef __ASSEMBLY__
#ifndef PS_S
#define PS_S (0x10)
diff --git a/arch/h8300/kernel/kgdb.c b/arch/h8300/kernel/kgdb.c
index 602e478afbd5..1a1d30cb0609 100644
--- a/arch/h8300/kernel/kgdb.c
+++ b/arch/h8300/kernel/kgdb.c
@@ -129,7 +129,7 @@ void kgdb_arch_exit(void)
/* Nothing to do */
}
-const struct kgdb_arch arch_kgdb_ops = {
+struct kgdb_arch arch_kgdb_ops = {
/* Breakpoint instruction: trapa #2 */
.gdb_bpt_instr = { 0x57, 0x20 },
};
diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c
index a4d0470c10a9..34e2df5c0d6d 100644
--- a/arch/h8300/kernel/setup.c
+++ b/arch/h8300/kernel/setup.c
@@ -23,7 +23,6 @@
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
-#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/clk-provider.h>
#include <linux/memblock.h>
@@ -71,10 +70,6 @@ void __init h8300_fdt_init(void *fdt, char *bootargs)
static void __init bootmem_init(void)
{
- int bootmap_size;
- unsigned long ram_start_pfn;
- unsigned long free_ram_start_pfn;
- unsigned long ram_end_pfn;
struct memblock_region *region;
memory_end = memory_start = 0;
@@ -88,33 +83,17 @@ static void __init bootmem_init(void)
if (!memory_end)
panic("No memory!");
- ram_start_pfn = PFN_UP(memory_start);
- /* free_ram_start_pfn is first page after kernel */
- free_ram_start_pfn = PFN_UP(__pa(_end));
- ram_end_pfn = PFN_DOWN(memblock_end_of_DRAM());
+ /* setup bootmem globals (we use no_bootmem, but mm still depends on this) */
+ min_low_pfn = PFN_UP(memory_start);
+ max_low_pfn = PFN_DOWN(memblock_end_of_DRAM());
+ max_pfn = max_low_pfn;
- max_pfn = ram_end_pfn;
+ memblock_reserve(__pa(_stext), _end - _stext);
- /*
- * give all the memory to the bootmap allocator, tell it to put the
- * boot mem_map at the start of memory
- */
- bootmap_size = init_bootmem_node(NODE_DATA(0),
- free_ram_start_pfn,
- 0,
- ram_end_pfn);
- /*
- * free the usable memory, we have to make sure we do not free
- * the bootmem bitmap so we then reserve it after freeing it :-)
- */
- free_bootmem(PFN_PHYS(free_ram_start_pfn),
- (ram_end_pfn - free_ram_start_pfn) << PAGE_SHIFT);
- reserve_bootmem(PFN_PHYS(free_ram_start_pfn), bootmap_size,
- BOOTMEM_DEFAULT);
+ early_init_fdt_reserve_self();
+ early_init_fdt_scan_reserved_mem();
- for_each_memblock(reserved, region) {
- reserve_bootmem(region->base, region->size, BOOTMEM_DEFAULT);
- }
+ memblock_dump_all();
}
void __init setup_arch(char **cmdline_p)
@@ -188,15 +167,6 @@ const struct seq_operations cpuinfo_op = {
.show = show_cpuinfo,
};
-static int __init device_probe(void)
-{
- of_platform_populate(NULL, NULL, NULL, NULL);
-
- return 0;
-}
-
-device_initcall(device_probe);
-
#if defined(CONFIG_CPU_H8300H)
#define get_wait(base, addr) ({ \
int baddr; \
diff --git a/arch/h8300/kernel/sim-console.c b/arch/h8300/kernel/sim-console.c
index 46138f55a9ea..03aa35b1a08c 100644
--- a/arch/h8300/kernel/sim-console.c
+++ b/arch/h8300/kernel/sim-console.c
@@ -13,12 +13,13 @@
static void sim_write(struct console *con, const char *s, unsigned n)
{
- register const int fd __asm__("er0") = 1; /* stdout */
register const char *_ptr __asm__("er1") = s;
register const unsigned _len __asm__("er2") = n;
- __asm__(".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */
- : : "g"(fd), "g"(_ptr), "g"(_len));
+ __asm__("sub.l er0,er0\n\t" /* er0 = 1 (stdout) */
+ "inc.l #1,er0\n\t"
+ ".byte 0x5e,0x00,0x00,0xc7\n\t" /* jsr @0xc7 (sys_write) */
+ : : "g"(_ptr), "g"(_len):"er0");
}
static int __init sim_setup(struct earlycon_device *device, const char *opt)