ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/arm/include/asm/memory.h b/marvell/linux/arch/arm/include/asm/memory.h
new file mode 100644
index 0000000..f717d71
--- /dev/null
+++ b/marvell/linux/arch/arm/include/asm/memory.h
@@ -0,0 +1,377 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/include/asm/memory.h
+ *
+ * Copyright (C) 2000-2002 Russell King
+ * modification for nommu, Hyok S. Choi, 2004
+ *
+ * Note: this file should not be included by non-asm/.h files
+ */
+#ifndef __ASM_ARM_MEMORY_H
+#define __ASM_ARM_MEMORY_H
+
+#include <linux/compiler.h>
+#include <linux/const.h>
+#include <linux/types.h>
+#include <linux/sizes.h>
+
+#ifdef CONFIG_NEED_MACH_MEMORY_H
+#include <mach/memory.h>
+#endif
+
+/* PAGE_OFFSET - the virtual address of the start of the kernel image */
+#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET)
+
+#ifdef CONFIG_MMU
+
+/*
+ * TASK_SIZE - the maximum size of a user space task.
+ * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
+ */
+#define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M))
+#define TASK_UNMAPPED_BASE ALIGN(TASK_SIZE / 3, SZ_16M)
+
+/*
+ * The maximum size of a 26-bit user space task.
+ */
+#define TASK_SIZE_26 (UL(1) << 26)
+
+/*
+ * The module space lives between the addresses given by TASK_SIZE
+ * and PAGE_OFFSET - it must be within 32MB of the kernel text.
+ */
+#ifndef CONFIG_THUMB2_KERNEL
+#define MODULES_VADDR (PAGE_OFFSET - SZ_16M)
+#else
+/* smaller range for Thumb-2 symbols relocation (2^24)*/
+#define MODULES_VADDR (PAGE_OFFSET - SZ_8M)
+#endif
+
+#if TASK_SIZE > MODULES_VADDR
+#error Top of user space clashes with start of module space
+#endif
+
+/*
+ * The highmem pkmap virtual space shares the end of the module area.
+ */
+#ifdef CONFIG_HIGHMEM
+#define MODULES_END (PAGE_OFFSET - PMD_SIZE)
+#else
+#define MODULES_END (PAGE_OFFSET)
+#endif
+
+/*
+ * The XIP kernel gets mapped at the bottom of the module vm area.
+ * Since we use sections to map it, this macro replaces the physical address
+ * with its virtual address while keeping offset from the base section.
+ */
+#define XIP_VIRT_ADDR(physaddr) (MODULES_VADDR + ((physaddr) & 0x000fffff))
+
+#define FDT_FIXED_BASE UL(0xff800000)
+#define FDT_FIXED_SIZE (2 * SECTION_SIZE)
+#define FDT_VIRT_BASE(physbase) ((void *)(FDT_FIXED_BASE | (physbase) % SECTION_SIZE))
+
+#if !defined(CONFIG_SMP) && !defined(CONFIG_ARM_LPAE)
+/*
+ * Allow 16MB-aligned ioremap pages
+ */
+#define IOREMAP_MAX_ORDER 24
+#endif
+
+#define VECTORS_BASE UL(0xffff0000)
+
+#else /* CONFIG_MMU */
+
+#ifndef __ASSEMBLY__
+extern unsigned long setup_vectors_base(void);
+extern unsigned long vectors_base;
+#define VECTORS_BASE vectors_base
+#endif
+
+/*
+ * The limitation of user task size can grow up to the end of free ram region.
+ * It is difficult to define and perhaps will never meet the original meaning
+ * of this define that was meant to.
+ * Fortunately, there is no reference for this in noMMU mode, for now.
+ */
+#define TASK_SIZE UL(0xffffffff)
+
+#ifndef TASK_UNMAPPED_BASE
+#define TASK_UNMAPPED_BASE UL(0x00000000)
+#endif
+
+#ifndef END_MEM
+#define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE)
+#endif
+
+/*
+ * The module can be at any place in ram in nommu mode.
+ */
+#define MODULES_END (END_MEM)
+#define MODULES_VADDR PAGE_OFFSET
+
+#define XIP_VIRT_ADDR(physaddr) (physaddr)
+#define FDT_VIRT_BASE(physbase) ((void *)(physbase))
+
+#endif /* !CONFIG_MMU */
+
+#ifdef CONFIG_XIP_KERNEL
+#define KERNEL_START _sdata
+#else
+#define KERNEL_START _stext
+#endif
+#define KERNEL_END _end
+
+/*
+ * We fix the TCM memories max 32 KiB ITCM resp DTCM at these
+ * locations
+ */
+#ifdef CONFIG_HAVE_TCM
+#define ITCM_OFFSET UL(0xfffe0000)
+#define DTCM_OFFSET UL(0xfffe8000)
+#endif
+
+/*
+ * Convert a page to/from a physical address
+ */
+#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
+#define phys_to_page(phys) (pfn_to_page(__phys_to_pfn(phys)))
+
+/*
+ * PLAT_PHYS_OFFSET is the offset (from zero) of the start of physical
+ * memory. This is used for XIP and NoMMU kernels, and on platforms that don't
+ * have CONFIG_ARM_PATCH_PHYS_VIRT. Assembly code must always use
+ * PLAT_PHYS_OFFSET and not PHYS_OFFSET.
+ */
+#define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
+
+#ifdef CONFIG_XIP_KERNEL
+/*
+ * When referencing data in RAM from the XIP region in a relative manner
+ * with the MMU off, we need the relative offset between the two physical
+ * addresses. The macro below achieves this, which is:
+ * __pa(v_data) - __xip_pa(v_text)
+ */
+#define PHYS_RELATIVE(v_data, v_text) \
+ (((v_data) - PAGE_OFFSET + PLAT_PHYS_OFFSET) - \
+ ((v_text) - XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) + \
+ CONFIG_XIP_PHYS_ADDR))
+#else
+#define PHYS_RELATIVE(v_data, v_text) ((v_data) - (v_text))
+#endif
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Physical vs virtual RAM address space conversion. These are
+ * private definitions which should NOT be used outside memory.h
+ * files. Use virt_to_phys/phys_to_virt/__pa/__va instead.
+ *
+ * PFNs are used to describe any physical page; this means
+ * PFN 0 == physical address 0.
+ */
+
+#if defined(CONFIG_ARM_PATCH_PHYS_VIRT)
+
+/*
+ * Constants used to force the right instruction encodings and shifts
+ * so that all we need to do is modify the 8-bit constant field.
+ */
+#define __PV_BITS_31_24 0x81000000
+#define __PV_BITS_7_0 0x81
+
+extern unsigned long __pv_phys_pfn_offset;
+extern u64 __pv_offset;
+extern void fixup_pv_table(const void *, unsigned long);
+extern const void *__pv_table_begin, *__pv_table_end;
+
+#define PHYS_OFFSET ((phys_addr_t)__pv_phys_pfn_offset << PAGE_SHIFT)
+#define PHYS_PFN_OFFSET (__pv_phys_pfn_offset)
+
+#define __pv_stub(from,to,instr,type) \
+ __asm__("@ __pv_stub\n" \
+ "1: " instr " %0, %1, %2\n" \
+ " .pushsection .pv_table,\"a\"\n" \
+ " .long 1b\n" \
+ " .popsection\n" \
+ : "=r" (to) \
+ : "r" (from), "I" (type))
+
+#define __pv_stub_mov_hi(t) \
+ __asm__ volatile("@ __pv_stub_mov\n" \
+ "1: mov %R0, %1\n" \
+ " .pushsection .pv_table,\"a\"\n" \
+ " .long 1b\n" \
+ " .popsection\n" \
+ : "=r" (t) \
+ : "I" (__PV_BITS_7_0))
+
+#define __pv_add_carry_stub(x, y) \
+ __asm__ volatile("@ __pv_add_carry_stub\n" \
+ "1: adds %Q0, %1, %2\n" \
+ " adc %R0, %R0, #0\n" \
+ " .pushsection .pv_table,\"a\"\n" \
+ " .long 1b\n" \
+ " .popsection\n" \
+ : "+r" (y) \
+ : "r" (x), "I" (__PV_BITS_31_24) \
+ : "cc")
+
+static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x)
+{
+ phys_addr_t t;
+
+ if (sizeof(phys_addr_t) == 4) {
+ __pv_stub(x, t, "add", __PV_BITS_31_24);
+ } else {
+ __pv_stub_mov_hi(t);
+ __pv_add_carry_stub(x, t);
+ }
+ return t;
+}
+
+static inline unsigned long __phys_to_virt(phys_addr_t x)
+{
+ unsigned long t;
+
+ /*
+ * 'unsigned long' cast discard upper word when
+ * phys_addr_t is 64 bit, and makes sure that inline
+ * assembler expression receives 32 bit argument
+ * in place where 'r' 32 bit operand is expected.
+ */
+ __pv_stub((unsigned long) x, t, "sub", __PV_BITS_31_24);
+ return t;
+}
+
+#else
+
+#define PHYS_OFFSET PLAT_PHYS_OFFSET
+#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
+
+static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x)
+{
+ return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET;
+}
+
+static inline unsigned long __phys_to_virt(phys_addr_t x)
+{
+ return x - PHYS_OFFSET + PAGE_OFFSET;
+}
+
+#endif
+
+#define virt_to_pfn(kaddr) \
+ ((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \
+ PHYS_PFN_OFFSET)
+
+#define __pa_symbol_nodebug(x) __virt_to_phys_nodebug((x))
+
+#ifdef CONFIG_DEBUG_VIRTUAL
+extern phys_addr_t __virt_to_phys(unsigned long x);
+extern phys_addr_t __phys_addr_symbol(unsigned long x);
+#else
+#define __virt_to_phys(x) __virt_to_phys_nodebug(x)
+#define __phys_addr_symbol(x) __pa_symbol_nodebug(x)
+#endif
+
+/*
+ * These are *only* valid on the kernel direct mapped RAM memory.
+ * Note: Drivers should NOT use these. They are the wrong
+ * translation for translating DMA addresses. Use the driver
+ * DMA support - see dma-mapping.h.
+ */
+#define virt_to_phys virt_to_phys
+static inline phys_addr_t virt_to_phys(const volatile void *x)
+{
+ return __virt_to_phys((unsigned long)(x));
+}
+
+#define phys_to_virt phys_to_virt
+static inline void *phys_to_virt(phys_addr_t x)
+{
+ return (void *)__phys_to_virt(x);
+}
+
+/*
+ * Drivers should NOT use these either.
+ */
+#define __pa(x) __virt_to_phys((unsigned long)(x))
+#define __pa_symbol(x) __phys_addr_symbol(RELOC_HIDE((unsigned long)(x), 0))
+#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
+#define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT)
+
+extern long long arch_phys_to_idmap_offset;
+
+/*
+ * These are for systems that have a hardware interconnect supported alias
+ * of physical memory for idmap purposes. Most cases should leave these
+ * untouched. Note: this can only return addresses less than 4GiB.
+ */
+static inline bool arm_has_idmap_alias(void)
+{
+ return IS_ENABLED(CONFIG_MMU) && arch_phys_to_idmap_offset != 0;
+}
+
+#define IDMAP_INVALID_ADDR ((u32)~0)
+
+static inline unsigned long phys_to_idmap(phys_addr_t addr)
+{
+ if (IS_ENABLED(CONFIG_MMU) && arch_phys_to_idmap_offset) {
+ addr += arch_phys_to_idmap_offset;
+ if (addr > (u32)~0)
+ addr = IDMAP_INVALID_ADDR;
+ }
+ return addr;
+}
+
+static inline phys_addr_t idmap_to_phys(unsigned long idmap)
+{
+ phys_addr_t addr = idmap;
+
+ if (IS_ENABLED(CONFIG_MMU) && arch_phys_to_idmap_offset)
+ addr -= arch_phys_to_idmap_offset;
+
+ return addr;
+}
+
+static inline unsigned long __virt_to_idmap(unsigned long x)
+{
+ return phys_to_idmap(__virt_to_phys(x));
+}
+
+#define virt_to_idmap(x) __virt_to_idmap((unsigned long)(x))
+
+/*
+ * Virtual <-> DMA view memory address translations
+ * Again, these are *only* valid on the kernel direct mapped RAM
+ * memory. Use of these is *deprecated* (and that doesn't mean
+ * use the __ prefixed forms instead.) See dma-mapping.h.
+ */
+#ifndef __virt_to_bus
+#define __virt_to_bus __virt_to_phys
+#define __bus_to_virt __phys_to_virt
+#define __pfn_to_bus(x) __pfn_to_phys(x)
+#define __bus_to_pfn(x) __phys_to_pfn(x)
+#endif
+
+/*
+ * Conversion between a struct page and a physical address.
+ *
+ * page_to_pfn(page) convert a struct page * to a PFN number
+ * pfn_to_page(pfn) convert a _valid_ PFN number to struct page *
+ *
+ * virt_to_page(k) convert a _valid_ virtual address to struct page *
+ * virt_addr_valid(k) indicates whether a virtual address is valid
+ */
+#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
+
+#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
+#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \
+ && pfn_valid(virt_to_pfn(kaddr)))
+
+#endif
+
+#include <asm-generic/memory_model.h>
+
+#endif