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-rw-r--r--arch/arm/include/asm/device.h3
-rw-r--r--arch/arm/include/asm/hardware/it8152.h116
-rw-r--r--arch/arm/include/asm/pgalloc.h12
-rw-r--r--arch/arm/include/asm/tlb.h1
-rw-r--r--arch/arm/include/asm/uaccess.h10
-rw-r--r--arch/arm/include/asm/vfp.h2
-rw-r--r--arch/arm/include/asm/vfpmacros.h31
7 files changed, 32 insertions, 143 deletions
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h
index c675bc0d5aa8..be666f58bf7a 100644
--- a/arch/arm/include/asm/device.h
+++ b/arch/arm/include/asm/device.h
@@ -9,9 +9,6 @@ struct dev_archdata {
#ifdef CONFIG_DMABOUNCE
struct dmabounce_device_info *dmabounce;
#endif
-#ifdef CONFIG_IOMMU_API
- void *iommu; /* private IOMMU data */
-#endif
#ifdef CONFIG_ARM_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
deleted file mode 100644
index e175c2384f28..000000000000
--- a/arch/arm/include/asm/hardware/it8152.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * linux/include/arm/hardware/it8152.h
- *
- * Copyright Compulab Ltd., 2006,2007
- * Mike Rapoport <mike@compulab.co.il>
- *
- * ITE 8152 companion chip register definitions
- */
-
-#ifndef __ASM_HARDWARE_IT8152_H
-#define __ASM_HARDWARE_IT8152_H
-
-#include <mach/irqs.h>
-
-extern void __iomem *it8152_base_address;
-
-#define IT8152_IO_BASE (it8152_base_address + 0x03e00000)
-#define IT8152_CFGREG_BASE (it8152_base_address + 0x03f00000)
-
-#define __REG_IT8152(x) (it8152_base_address + (x))
-
-#define IT8152_PCI_CFG_ADDR __REG_IT8152(0x3f00800)
-#define IT8152_PCI_CFG_DATA __REG_IT8152(0x3f00804)
-
-#define IT8152_INTC_LDCNIRR __REG_IT8152(0x3f00300)
-#define IT8152_INTC_LDPNIRR __REG_IT8152(0x3f00304)
-#define IT8152_INTC_LDCNIMR __REG_IT8152(0x3f00308)
-#define IT8152_INTC_LDPNIMR __REG_IT8152(0x3f0030C)
-#define IT8152_INTC_LDNITR __REG_IT8152(0x3f00310)
-#define IT8152_INTC_LDNIAR __REG_IT8152(0x3f00314)
-#define IT8152_INTC_LPCNIRR __REG_IT8152(0x3f00320)
-#define IT8152_INTC_LPPNIRR __REG_IT8152(0x3f00324)
-#define IT8152_INTC_LPCNIMR __REG_IT8152(0x3f00328)
-#define IT8152_INTC_LPPNIMR __REG_IT8152(0x3f0032C)
-#define IT8152_INTC_LPNITR __REG_IT8152(0x3f00330)
-#define IT8152_INTC_LPNIAR __REG_IT8152(0x3f00334)
-#define IT8152_INTC_PDCNIRR __REG_IT8152(0x3f00340)
-#define IT8152_INTC_PDPNIRR __REG_IT8152(0x3f00344)
-#define IT8152_INTC_PDCNIMR __REG_IT8152(0x3f00348)
-#define IT8152_INTC_PDPNIMR __REG_IT8152(0x3f0034C)
-#define IT8152_INTC_PDNITR __REG_IT8152(0x3f00350)
-#define IT8152_INTC_PDNIAR __REG_IT8152(0x3f00354)
-#define IT8152_INTC_INTC_TYPER __REG_IT8152(0x3f003FC)
-
-#define IT8152_GPIO_GPDR __REG_IT8152(0x3f00500)
-
-/*
- Interrupt controller per register summary:
- ---------------------------------------
- LCDNIRR:
- IT8152_LD_IRQ(8) PCICLK stop
- IT8152_LD_IRQ(7) MCLK ready
- IT8152_LD_IRQ(6) s/w
- IT8152_LD_IRQ(5) UART
- IT8152_LD_IRQ(4) GPIO
- IT8152_LD_IRQ(3) TIMER 4
- IT8152_LD_IRQ(2) TIMER 3
- IT8152_LD_IRQ(1) TIMER 2
- IT8152_LD_IRQ(0) TIMER 1
-
- LPCNIRR:
- IT8152_LP_IRQ(x) serial IRQ x
-
- PCIDNIRR:
- IT8152_PD_IRQ(14) PCISERR
- IT8152_PD_IRQ(13) CPU/PCI bridge target abort (h2pTADR)
- IT8152_PD_IRQ(12) CPU/PCI bridge master abort (h2pMADR)
- IT8152_PD_IRQ(11) PCI INTD
- IT8152_PD_IRQ(10) PCI INTC
- IT8152_PD_IRQ(9) PCI INTB
- IT8152_PD_IRQ(8) PCI INTA
- IT8152_PD_IRQ(7) serial INTD
- IT8152_PD_IRQ(6) serial INTC
- IT8152_PD_IRQ(5) serial INTB
- IT8152_PD_IRQ(4) serial INTA
- IT8152_PD_IRQ(3) serial IRQ IOCHK (IOCHKR)
- IT8152_PD_IRQ(2) chaining DMA (CDMAR)
- IT8152_PD_IRQ(1) USB (USBR)
- IT8152_PD_IRQ(0) Audio controller (ACR)
- */
-#define IT8152_IRQ(x) (IRQ_BOARD_START + (x))
-#define IT8152_LAST_IRQ (IRQ_BOARD_START + 40)
-
-/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
-#define IT8152_LD_IRQ_COUNT 9
-#define IT8152_LP_IRQ_COUNT 16
-#define IT8152_PD_IRQ_COUNT 15
-
-/* Priorities: */
-#define IT8152_PD_IRQ(i) IT8152_IRQ(i)
-#define IT8152_LP_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
-#define IT8152_LD_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
-
-/* frequently used interrupts */
-#define IT8152_PCISERR IT8152_PD_IRQ(14)
-#define IT8152_H2PTADR IT8152_PD_IRQ(13)
-#define IT8152_H2PMAR IT8152_PD_IRQ(12)
-#define IT8152_PCI_INTD IT8152_PD_IRQ(11)
-#define IT8152_PCI_INTC IT8152_PD_IRQ(10)
-#define IT8152_PCI_INTB IT8152_PD_IRQ(9)
-#define IT8152_PCI_INTA IT8152_PD_IRQ(8)
-#define IT8152_CDMA_INT IT8152_PD_IRQ(2)
-#define IT8152_USB_INT IT8152_PD_IRQ(1)
-#define IT8152_AUDIO_INT IT8152_PD_IRQ(0)
-
-struct pci_dev;
-struct pci_sys_data;
-
-extern void it8152_irq_demux(struct irq_desc *desc);
-extern void it8152_init_irq(void);
-extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
-extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
-extern struct pci_ops it8152_ops;
-
-#endif /* __ASM_HARDWARE_IT8152_H */
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
index 069da393110c..15f4674715f8 100644
--- a/arch/arm/include/asm/pgalloc.h
+++ b/arch/arm/include/asm/pgalloc.h
@@ -22,17 +22,6 @@
#ifdef CONFIG_ARM_LPAE
-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
-{
- return (pmd_t *)get_zeroed_page(GFP_KERNEL);
-}
-
-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
-{
- BUG_ON((unsigned long)pmd & (PAGE_SIZE-1));
- free_page((unsigned long)pmd);
-}
-
static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
{
set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE));
@@ -76,6 +65,7 @@ static inline void clean_pte_table(pte_t *pte)
#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
#define __HAVE_ARCH_PTE_ALLOC_ONE
+#define __HAVE_ARCH_PGD_FREE
#include <asm-generic/pgalloc.h>
static inline pte_t *
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 4d4e7b6aabff..9415222b49ad 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -27,7 +27,6 @@
#else /* !CONFIG_MMU */
#include <linux/swap.h>
-#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
static inline void __tlb_remove_table(void *_table)
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 98c6b91be4a8..a13d90206472 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -76,9 +76,13 @@ static inline void set_fs(mm_segment_t fs)
modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER);
}
-#define segment_eq(a, b) ((a) == (b))
+#define uaccess_kernel() (get_fs() == KERNEL_DS)
-/* We use 33-bit arithmetic here... */
+/*
+ * We use 33-bit arithmetic here. Success returns zero, failure returns
+ * addr_limit. We take advantage that addr_limit will be zero for KERNEL_DS,
+ * so this will always return success in that case.
+ */
#define __range_ok(addr, size) ({ \
unsigned long flag, roksum; \
__chk_user_ptr(addr); \
@@ -263,7 +267,7 @@ extern int __put_user_8(void *, unsigned long long);
*/
#define USER_DS KERNEL_DS
-#define segment_eq(a, b) (1)
+#define uaccess_kernel() (true)
#define __addr_ok(addr) ((void)(addr), 1)
#define __range_ok(addr, size) ((void)(addr), 0)
#define get_fs() (KERNEL_DS)
diff --git a/arch/arm/include/asm/vfp.h b/arch/arm/include/asm/vfp.h
index 7157d2a30a49..19928bfb4f9c 100644
--- a/arch/arm/include/asm/vfp.h
+++ b/arch/arm/include/asm/vfp.h
@@ -9,6 +9,7 @@
#ifndef __ASM_VFP_H
#define __ASM_VFP_H
+#ifndef CONFIG_AS_VFP_VMRS_FPINST
#define FPSID cr0
#define FPSCR cr1
#define MVFR1 cr6
@@ -16,6 +17,7 @@
#define FPEXC cr8
#define FPINST cr9
#define FPINST2 cr10
+#endif
/* FPSID bits */
#define FPSID_IMPLEMENTER_BIT (24)
diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h
index 628c336e8e3b..ba0d4cb5377e 100644
--- a/arch/arm/include/asm/vfpmacros.h
+++ b/arch/arm/include/asm/vfpmacros.h
@@ -8,7 +8,16 @@
#include <asm/vfp.h>
-@ Macros to allow building with old toolkits (with no VFP support)
+#ifdef CONFIG_AS_VFP_VMRS_FPINST
+ .macro VFPFMRX, rd, sysreg, cond
+ vmrs\cond \rd, \sysreg
+ .endm
+
+ .macro VFPFMXR, sysreg, rd, cond
+ vmsr\cond \sysreg, \rd
+ .endm
+#else
+ @ Macros to allow building with old toolkits (with no VFP support)
.macro VFPFMRX, rd, sysreg, cond
MRC\cond p10, 7, \rd, \sysreg, cr0, 0 @ FMRX \rd, \sysreg
.endm
@@ -16,26 +25,29 @@
.macro VFPFMXR, sysreg, rd, cond
MCR\cond p10, 7, \rd, \sysreg, cr0, 0 @ FMXR \sysreg, \rd
.endm
+#endif
@ read all the working registers back into the VFP
.macro VFPFLDMIA, base, tmp
+ .fpu vfpv2
#if __LINUX_ARM_ARCH__ < 6
- LDC p11, cr0, [\base],#33*4 @ FLDMIAX \base!, {d0-d15}
+ fldmiax \base!, {d0-d15}
#else
- LDC p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d0-d15}
+ vldmia \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
+ .fpu vfpv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
- ldclne p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ vldmiane \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
- ldcleq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31}
+ vldmiaeq \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif
@@ -44,22 +56,23 @@
@ write all the working registers out of the VFP
.macro VFPFSTMIA, base, tmp
#if __LINUX_ARM_ARCH__ < 6
- STC p11, cr0, [\base],#33*4 @ FSTMIAX \base!, {d0-d15}
+ fstmiax \base!, {d0-d15}
#else
- STC p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d0-d15}
+ vstmia \base!, {d0-d15}
#endif
#ifdef CONFIG_VFPv3
+ .fpu vfpv3
#if __LINUX_ARM_ARCH__ <= 6
ldr \tmp, =elf_hwcap @ may not have MVFR regs
ldr \tmp, [\tmp, #0]
tst \tmp, #HWCAP_VFPD32
- stclne p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ vstmiane \base!, {d16-d31}
addeq \base, \base, #32*4 @ step over unused register space
#else
VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0
and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field
cmp \tmp, #2 @ 32 x 64bit registers?
- stcleq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31}
+ vstmiaeq \base!, {d16-d31}
addne \base, \base, #32*4 @ step over unused register space
#endif
#endif