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-rw-r--r--arch/arc/Kconfig3
-rw-r--r--arch/arc/boot/dts/axc003.dtsi8
-rw-r--r--arch/arc/boot/dts/axc003_idu.dtsi8
-rw-r--r--arch/arc/boot/dts/hsdk.dts8
-rw-r--r--arch/arc/configs/axs101_defconfig1
-rw-r--r--arch/arc/configs/axs103_defconfig1
-rw-r--r--arch/arc/configs/axs103_smp_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_defconfig1
-rw-r--r--arch/arc/configs/haps_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/hsdk_defconfig6
-rw-r--r--arch/arc/configs/nsim_700_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_defconfig1
-rw-r--r--arch/arc/configs/nsim_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_hs_defconfig1
-rw-r--r--arch/arc/configs/nsimosci_hs_smp_defconfig1
-rw-r--r--arch/arc/configs/tb10x_defconfig1
-rw-r--r--arch/arc/configs/vdk_hs38_defconfig1
-rw-r--r--arch/arc/configs/vdk_hs38_smp_defconfig1
-rw-r--r--arch/arc/include/asm/dma-mapping.h7
-rw-r--r--arch/arc/include/asm/hugepage.h3
-rw-r--r--arch/arc/include/asm/thread_info.h3
-rw-r--r--arch/arc/include/asm/uaccess.h5
-rw-r--r--arch/arc/include/uapi/asm/Kbuild1
-rw-r--r--arch/arc/kernel/setup.c2
-rw-r--r--arch/arc/kernel/stacktrace.c2
-rw-r--r--arch/arc/kernel/traps.c28
-rw-r--r--arch/arc/kernel/troubleshoot.c3
-rw-r--r--arch/arc/mm/dma.c14
-rw-r--r--arch/arc/plat-axs10x/axs10x.c18
-rw-r--r--arch/arc/plat-hsdk/platform.c42
31 files changed, 76 insertions, 99 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 9d5fd00d9e91..f3a80cf164cc 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -463,9 +463,6 @@ config ARCH_PHYS_ADDR_T_64BIT
config ARCH_DMA_ADDR_T_64BIT
bool
-config ARC_PLAT_NEEDS_PHYS_TO_DMA
- bool
-
config ARC_KVADDR_SIZE
int "Kernel Virtual Address Space size (MB)"
range 0 512
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 4e6e9f57e790..dc91c663bcc0 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -35,6 +35,14 @@
reg = <0x80 0x10>, <0x100 0x10>;
#clock-cells = <0>;
clocks = <&input_clk>;
+
+ /*
+ * Set initial core pll output frequency to 90MHz.
+ * It will be applied at the core pll driver probing
+ * on early boot.
+ */
+ assigned-clocks = <&core_clk>;
+ assigned-clock-rates = <90000000>;
};
core_intc: archs-intc@cpu {
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 63954a8b0100..69ff4895f2ba 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -35,6 +35,14 @@
reg = <0x80 0x10>, <0x100 0x10>;
#clock-cells = <0>;
clocks = <&input_clk>;
+
+ /*
+ * Set initial core pll output frequency to 100MHz.
+ * It will be applied at the core pll driver probing
+ * on early boot.
+ */
+ assigned-clocks = <&core_clk>;
+ assigned-clock-rates = <100000000>;
};
core_intc: archs-intc@cpu {
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 8f627c200d60..006aa3de5348 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -114,6 +114,14 @@
reg = <0x00 0x10>, <0x14B8 0x4>;
#clock-cells = <0>;
clocks = <&input_clk>;
+
+ /*
+ * Set initial core pll output frequency to 1GHz.
+ * It will be applied at the core pll driver probing
+ * on early boot.
+ */
+ assigned-clocks = <&core_clk>;
+ assigned-clock-rates = <1000000000>;
};
serial: serial@5000 {
diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
index ec7c849a5c8e..09f85154c5a4 100644
--- a/arch/arc/configs/axs101_defconfig
+++ b/arch/arc/configs/axs101_defconfig
@@ -44,7 +44,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
index 63d3cf69e0b0..09fed3ef22b6 100644
--- a/arch/arc/configs/axs103_defconfig
+++ b/arch/arc/configs/axs103_defconfig
@@ -44,7 +44,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
index f613ecac14a7..ea2f6d817d1a 100644
--- a/arch/arc/configs/axs103_smp_defconfig
+++ b/arch/arc/configs/axs103_smp_defconfig
@@ -45,7 +45,6 @@ CONFIG_IP_PNP_RARP=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/arc/configs/haps_hs_defconfig b/arch/arc/configs/haps_hs_defconfig
index db04ea4dd2d9..ab231c040efe 100644
--- a/arch/arc/configs/haps_hs_defconfig
+++ b/arch/arc/configs/haps_hs_defconfig
@@ -40,7 +40,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
diff --git a/arch/arc/configs/haps_hs_smp_defconfig b/arch/arc/configs/haps_hs_smp_defconfig
index 3507be2af6fe..cf449cbf440d 100644
--- a/arch/arc/configs/haps_hs_smp_defconfig
+++ b/arch/arc/configs/haps_hs_smp_defconfig
@@ -43,7 +43,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 7b8f8faf8a24..1b54c72f4296 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -32,7 +32,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
@@ -49,10 +48,11 @@ CONFIG_SERIAL_8250_DW=y
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_DRM_UDL=y
CONFIG_FB=y
-CONFIG_FB_UDL=y
CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index 6dff83a238b8..31c2c70b34a1 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -36,7 +36,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
CONFIG_ARC_EMAC=y
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index 31ee51b987e7..a578c721d50f 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -40,7 +40,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index 8d3b1f67cae4..37d7395f3272 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -39,7 +39,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
# CONFIG_INPUT_KEYBOARD is not set
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index 6168ce2ac2ef..1e1470e2a7f0 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -35,7 +35,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
CONFIG_EZCHIP_NPS_MANAGEMENT_ENET=y
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index a70bdeb2b3fd..084a6e42685b 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -36,7 +36,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
CONFIG_EZCHIP_NPS_MANAGEMENT_ENET=y
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index ef96406c446e..f36d47990415 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -39,7 +39,6 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_ARC is not set
diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
index f30182549395..1aca2e8fd1ba 100644
--- a/arch/arc/configs/tb10x_defconfig
+++ b/arch/arc/configs/tb10x_defconfig
@@ -42,7 +42,6 @@ CONFIG_IP_MULTICAST=y
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_NETDEVICES=y
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig
index 4fcf4f2503f6..f629493929ea 100644
--- a/arch/arc/configs/vdk_hs38_defconfig
+++ b/arch/arc/configs/vdk_hs38_defconfig
@@ -31,7 +31,6 @@ CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
index 7b71464f6c2f..21f0ca26a05d 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -34,7 +34,6 @@ CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/arc/include/asm/dma-mapping.h b/arch/arc/include/asm/dma-mapping.h
index 94285031c4fb..7a16824bfe98 100644
--- a/arch/arc/include/asm/dma-mapping.h
+++ b/arch/arc/include/asm/dma-mapping.h
@@ -11,13 +11,6 @@
#ifndef ASM_ARC_DMA_MAPPING_H
#define ASM_ARC_DMA_MAPPING_H
-#ifndef CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
-#define plat_dma_to_phys(dev, dma_handle) ((phys_addr_t)(dma_handle))
-#define plat_phys_to_dma(dev, paddr) ((dma_addr_t)(paddr))
-#else
-#include <plat/dma.h>
-#endif
-
extern const struct dma_map_ops arc_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index b18fcb606908..dc8ee011882f 100644
--- a/arch/arc/include/asm/hugepage.h
+++ b/arch/arc/include/asm/hugepage.h
@@ -74,4 +74,7 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
extern void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
+/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
+#define pmdp_establish generic_pmdp_establish
+
#endif
diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h
index 2d79e527fa50..c85947bac5e5 100644
--- a/arch/arc/include/asm/thread_info.h
+++ b/arch/arc/include/asm/thread_info.h
@@ -62,9 +62,6 @@ struct thread_info {
.addr_limit = KERNEL_DS, \
}
-#define init_thread_info (init_thread_union.thread_info)
-#define init_stack (init_thread_union.stack)
-
static inline __attribute_const__ struct thread_info *current_thread_info(void)
{
register unsigned long sp asm("sp");
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index f35974ee7264..c9173c02081c 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -668,6 +668,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
return 0;
__asm__ __volatile__(
+ " mov lp_count, %5 \n"
" lp 3f \n"
"1: ldb.ab %3, [%2, 1] \n"
" breq.d %3, 0, 3f \n"
@@ -684,8 +685,8 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .word 1b, 4b \n"
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
- : "g"(-EFAULT), "l"(count)
- : "memory");
+ : "g"(-EFAULT), "r"(count)
+ : "lp_count", "lp_start", "lp_end", "memory");
return res;
}
diff --git a/arch/arc/include/uapi/asm/Kbuild b/arch/arc/include/uapi/asm/Kbuild
index fa6d0ff4ff89..170b5db64afe 100644
--- a/arch/arc/include/uapi/asm/Kbuild
+++ b/arch/arc/include/uapi/asm/Kbuild
@@ -3,6 +3,7 @@ include include/uapi/asm-generic/Kbuild.asm
generic-y += auxvec.h
generic-y += bitsperlong.h
+generic-y += bpf_perf_event.h
generic-y += errno.h
generic-y += fcntl.h
generic-y += ioctl.h
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 7ef7d9a8ff89..9d27331fe69a 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -199,7 +199,7 @@ static void read_arc_build_cfg_regs(void)
unsigned int exec_ctrl;
READ_BCR(AUX_EXEC_CTRL, exec_ctrl);
- cpu->extn.dual_enb = exec_ctrl & 1;
+ cpu->extn.dual_enb = !(exec_ctrl & 1);
/* dual issue always present for this core */
cpu->extn.dual = 1;
diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index 74315f302971..bf40e06f3fb8 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -163,7 +163,7 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
*/
static int __print_sym(unsigned int address, void *unused)
{
- __print_symbol(" %s\n", address);
+ printk(" %pS\n", (void *)address);
return 0;
}
diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c
index bcd7c9fc5d0f..b123558bf0bb 100644
--- a/arch/arc/kernel/traps.c
+++ b/arch/arc/kernel/traps.c
@@ -65,12 +65,14 @@ unhandled_exception(const char *str, struct pt_regs *regs, siginfo_t *info)
#define DO_ERROR_INFO(signr, str, name, sicode) \
int name(unsigned long address, struct pt_regs *regs) \
{ \
- siginfo_t info = { \
- .si_signo = signr, \
- .si_errno = 0, \
- .si_code = sicode, \
- .si_addr = (void __user *)address, \
- }; \
+ siginfo_t info; \
+ \
+ clear_siginfo(&info); \
+ info.si_signo = signr; \
+ info.si_errno = 0; \
+ info.si_code = sicode; \
+ info.si_addr = (void __user *)address; \
+ \
return unhandled_exception(str, regs, &info);\
}
@@ -83,6 +85,7 @@ DO_ERROR_INFO(SIGILL, "Illegal Insn (or Seq)", insterror_is_error, ILL_ILLOPC)
DO_ERROR_INFO(SIGBUS, "Invalid Mem Access", __weak do_memory_error, BUS_ADRERR)
DO_ERROR_INFO(SIGTRAP, "Breakpoint Set", trap_is_brkpt, TRAP_BRKPT)
DO_ERROR_INFO(SIGBUS, "Misaligned Access", do_misaligned_error, BUS_ADRALN)
+DO_ERROR_INFO(SIGSEGV, "gcc generated __builtin_trap", do_trap5_error, 0)
/*
* Entry Point for Misaligned Data access Exception, for emulating in software
@@ -115,6 +118,8 @@ void do_machine_check_fault(unsigned long address, struct pt_regs *regs)
* Thus TRAP_S <n> can be used for specific purpose
* -1 used for software breakpointing (gdb)
* -2 used by kprobes
+ * -5 __builtin_trap() generated by gcc (2018.03 onwards) for toggle such as
+ * -fno-isolate-erroneous-paths-dereference
*/
void do_non_swi_trap(unsigned long address, struct pt_regs *regs)
{
@@ -134,6 +139,9 @@ void do_non_swi_trap(unsigned long address, struct pt_regs *regs)
kgdb_trap(regs);
break;
+ case 5:
+ do_trap5_error(address, regs);
+ break;
default:
break;
}
@@ -155,3 +163,11 @@ void do_insterror_or_kprobe(unsigned long address, struct pt_regs *regs)
insterror_is_error(address, regs);
}
+
+/*
+ * abort() call generated by older gcc for __builtin_trap()
+ */
+void abort(void)
+{
+ __asm__ __volatile__("trap_s 5\n");
+}
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index 7d8c1d6c2f60..6e9a0a9a6a04 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -163,6 +163,9 @@ static void show_ecr_verbose(struct pt_regs *regs)
else
pr_cont("Bus Error, check PRM\n");
#endif
+ } else if (vec == ECR_V_TRAP) {
+ if (regs->ecr_param == 5)
+ pr_cont("gcc generated __builtin_trap\n");
} else {
pr_cont("Check Programmer's Manual\n");
}
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index e9d93604ad0f..1dcc404b5aec 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -60,7 +60,7 @@ static void *arc_dma_alloc(struct device *dev, size_t size,
/* This is linear addr (0x8000_0000 based) */
paddr = page_to_phys(page);
- *dma_handle = plat_phys_to_dma(dev, paddr);
+ *dma_handle = paddr;
/* This is kernel Virtual address (0x7000_0000 based) */
if (need_kvaddr) {
@@ -92,7 +92,7 @@ static void *arc_dma_alloc(struct device *dev, size_t size,
static void arc_dma_free(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle, unsigned long attrs)
{
- phys_addr_t paddr = plat_dma_to_phys(dev, dma_handle);
+ phys_addr_t paddr = dma_handle;
struct page *page = virt_to_page(paddr);
int is_non_coh = 1;
@@ -111,7 +111,7 @@ static int arc_dma_mmap(struct device *dev, struct vm_area_struct *vma,
{
unsigned long user_count = vma_pages(vma);
unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long pfn = __phys_to_pfn(plat_dma_to_phys(dev, dma_addr));
+ unsigned long pfn = __phys_to_pfn(dma_addr);
unsigned long off = vma->vm_pgoff;
int ret = -ENXIO;
@@ -175,7 +175,7 @@ static dma_addr_t arc_dma_map_page(struct device *dev, struct page *page,
if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
_dma_cache_sync(paddr, size, dir);
- return plat_phys_to_dma(dev, paddr);
+ return paddr;
}
/*
@@ -190,7 +190,7 @@ static void arc_dma_unmap_page(struct device *dev, dma_addr_t handle,
size_t size, enum dma_data_direction dir,
unsigned long attrs)
{
- phys_addr_t paddr = plat_dma_to_phys(dev, handle);
+ phys_addr_t paddr = handle;
if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
_dma_cache_sync(paddr, size, dir);
@@ -224,13 +224,13 @@ static void arc_dma_unmap_sg(struct device *dev, struct scatterlist *sg,
static void arc_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
- _dma_cache_sync(plat_dma_to_phys(dev, dma_handle), size, DMA_FROM_DEVICE);
+ _dma_cache_sync(dma_handle, size, DMA_FROM_DEVICE);
}
static void arc_dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
- _dma_cache_sync(plat_dma_to_phys(dev, dma_handle), size, DMA_TO_DEVICE);
+ _dma_cache_sync(dma_handle, size, DMA_TO_DEVICE);
}
static void arc_dma_sync_sg_for_cpu(struct device *dev,
diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c
index f1ac6790da5f..46544e88492d 100644
--- a/arch/arc/plat-axs10x/axs10x.c
+++ b/arch/arc/plat-axs10x/axs10x.c
@@ -317,25 +317,23 @@ static void __init axs103_early_init(void)
* Instead of duplicating defconfig/DT for SMP/QUAD, add a small hack
* of fudging the freq in DT
*/
+#define AXS103_QUAD_CORE_CPU_FREQ_HZ 50000000
+
unsigned int num_cores = (read_aux_reg(ARC_REG_MCIP_BCR) >> 16) & 0x3F;
if (num_cores > 2) {
- u32 freq = 50, orig;
- /*
- * TODO: use cpu node "cpu-freq" param instead of platform-specific
- * "/cpu_card/core_clk" as it works only if we use fixed-clock for cpu.
- */
+ u32 freq;
int off = fdt_path_offset(initial_boot_params, "/cpu_card/core_clk");
const struct fdt_property *prop;
prop = fdt_get_property(initial_boot_params, off,
- "clock-frequency", NULL);
- orig = be32_to_cpu(*(u32*)(prop->data)) / 1000000;
+ "assigned-clock-rates", NULL);
+ freq = be32_to_cpu(*(u32 *)(prop->data));
/* Patching .dtb in-place with new core clock value */
- if (freq != orig ) {
- freq = cpu_to_be32(freq * 1000000);
+ if (freq != AXS103_QUAD_CORE_CPU_FREQ_HZ) {
+ freq = cpu_to_be32(AXS103_QUAD_CORE_CPU_FREQ_HZ);
fdt_setprop_inplace(initial_boot_params, off,
- "clock-frequency", &freq, sizeof(freq));
+ "assigned-clock-rates", &freq, sizeof(freq));
}
}
#endif
diff --git a/arch/arc/plat-hsdk/platform.c b/arch/arc/plat-hsdk/platform.c
index fd0ae5e38639..2958aedb649a 100644
--- a/arch/arc/plat-hsdk/platform.c
+++ b/arch/arc/plat-hsdk/platform.c
@@ -38,42 +38,6 @@ static void __init hsdk_init_per_cpu(unsigned int cpu)
#define CREG_PAE (CREG_BASE + 0x180)
#define CREG_PAE_UPDATE (CREG_BASE + 0x194)
-#define CREG_CORE_IF_CLK_DIV (CREG_BASE + 0x4B8)
-#define CREG_CORE_IF_CLK_DIV_2 0x1
-#define CGU_BASE ARC_PERIPHERAL_BASE
-#define CGU_PLL_STATUS (ARC_PERIPHERAL_BASE + 0x4)
-#define CGU_PLL_CTRL (ARC_PERIPHERAL_BASE + 0x0)
-#define CGU_PLL_STATUS_LOCK BIT(0)
-#define CGU_PLL_STATUS_ERR BIT(1)
-#define CGU_PLL_CTRL_1GHZ 0x3A10
-#define HSDK_PLL_LOCK_TIMEOUT 500
-
-#define HSDK_PLL_LOCKED() \
- !!(ioread32((void __iomem *) CGU_PLL_STATUS) & CGU_PLL_STATUS_LOCK)
-
-#define HSDK_PLL_ERR() \
- !!(ioread32((void __iomem *) CGU_PLL_STATUS) & CGU_PLL_STATUS_ERR)
-
-static void __init hsdk_set_cpu_freq_1ghz(void)
-{
- u32 timeout = HSDK_PLL_LOCK_TIMEOUT;
-
- /*
- * As we set cpu clock which exceeds 500MHz, the divider for the interface
- * clock must be programmed to div-by-2.
- */
- iowrite32(CREG_CORE_IF_CLK_DIV_2, (void __iomem *) CREG_CORE_IF_CLK_DIV);
-
- /* Set cpu clock to 1GHz */
- iowrite32(CGU_PLL_CTRL_1GHZ, (void __iomem *) CGU_PLL_CTRL);
-
- while (!HSDK_PLL_LOCKED() && timeout--)
- cpu_relax();
-
- if (!HSDK_PLL_LOCKED() || HSDK_PLL_ERR())
- pr_err("Failed to setup CPU frequency to 1GHz!");
-}
-
#define SDIO_BASE (ARC_PERIPHERAL_BASE + 0xA000)
#define SDIO_UHS_REG_EXT (SDIO_BASE + 0x108)
#define SDIO_UHS_REG_EXT_DIV_2 (2 << 30)
@@ -98,12 +62,6 @@ static void __init hsdk_init_early(void)
* minimum possible div-by-2.
*/
iowrite32(SDIO_UHS_REG_EXT_DIV_2, (void __iomem *) SDIO_UHS_REG_EXT);
-
- /*
- * Setup CPU frequency to 1GHz.
- * TODO: remove it after smart hsdk pll driver will be introduced.
- */
- hsdk_set_cpu_freq_1ghz();
}
static const char *hsdk_compat[] __initconst = {
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