// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
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*/
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#include <common.h>
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#include <bidram.h>
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#include <sysmem.h>
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#include <lmb.h>
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#include <malloc.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define SYSMEM_MAGIC 0x4D454D53 /* "SMEM" */
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#define LMB_ALLOC_ANYWHERE 0 /* sync with lmb.c */
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#define SYSMEM_ALLOC_NO_ALIGN 1
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#define SYSMEM_ALLOC_ANYWHERE 2
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#define SYSMEM_I(fmt, args...) printf("Sysmem: "fmt, ##args)
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#define SYSMEM_W(fmt, args...) printf("Sysmem Warn: "fmt, ##args)
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#define SYSMEM_E(fmt, args...) printf("Sysmem Error: "fmt, ##args)
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#define SYSMEM_D(fmt, args...) debug("Sysmem Debug: "fmt, ##args)
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struct memcheck {
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uint32_t magic;
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};
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/* Global for platform, must in data section */
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struct sysmem plat_sysmem __section(".data") = {
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.has_initf = false,
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.has_initr = false,
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};
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bool sysmem_has_init(void)
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{
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return gd->flags & GD_FLG_RELOC ?
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plat_sysmem.has_initr : plat_sysmem.has_initf;
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}
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static inline int sysmem_is_overlap(phys_addr_t base1, phys_size_t size1,
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phys_addr_t base2, phys_size_t size2)
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{
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return ((base1 < (base2 + size2)) && (base2 < (base1 + size1)));
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}
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static inline int sysmem_is_sub_region(struct memblock *sub,
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struct memblock *main)
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{
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if (!sub || !main)
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return false;
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return ((sub->base >= main->base) &&
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(sub->base + sub->size <= main->base + main->size));
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}
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void sysmem_dump(void)
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{
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struct sysmem *sysmem = &plat_sysmem;
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struct lmb *lmb = &sysmem->lmb;
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struct memblock *mem;
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struct memcheck *check;
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struct list_head *node;
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ulong memory_size = 0;
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ulong reserved_size = 0;
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ulong allocated_size = 0;
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bool overflow = false;
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ulong i;
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if (!sysmem_has_init())
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return;
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printf("\nsysmem_dump_all:\n");
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/* Memory pool */
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printf(" --------------------------------------------------------------------\n");
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for (i = 0; i < lmb->memory.cnt; i++) {
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memory_size += lmb->memory.region[i].size;
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printf(" memory.rgn[%ld].addr = 0x%08lx - 0x%08lx (size: 0x%08lx)\n", i,
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(ulong)lmb->memory.region[i].base,
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(ulong)lmb->memory.region[i].base +
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(ulong)lmb->memory.region[i].size,
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(ulong)lmb->memory.region[i].size);
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}
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printf("\n memory.total = 0x%08lx (%ld MiB. %ld KiB)\n",
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(ulong)memory_size,
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SIZE_MB((ulong)memory_size),
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SIZE_KB((ulong)memory_size));
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/* Allocated */
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i = 0;
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printf(" --------------------------------------------------------------------\n");
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list_for_each(node, &sysmem->allocated_head) {
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mem = list_entry(node, struct memblock, node);
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allocated_size += mem->size;
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if (mem->attr.flags & F_OFC) {
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check = (struct memcheck *)
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(mem->base + mem->size - sizeof(*check));
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overflow = (check->magic != SYSMEM_MAGIC);
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} else if (mem->attr.flags & F_HOFC) {
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check = (struct memcheck *)
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(mem->base - sizeof(*check));
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overflow = (check->magic != SYSMEM_MAGIC);
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} else {
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overflow = false;
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}
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printf(" allocated.rgn[%ld].name = \"%s\" %s %s\n",
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i, mem->attr.name, overflow ? " <Overflow!>" : "",
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mem->orig_base != mem->base ? "<*>" : "");
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printf(" .addr = 0x%08lx - 0x%08lx (size: 0x%08lx)\n",
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(ulong)mem->orig_base,
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(ulong)(mem->orig_base + mem->size),
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(ulong)mem->size);
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i++;
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}
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/* Kernel 'reserved-memory' */
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i = 0;
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printf("\n");
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list_for_each(node, &sysmem->kmem_resv_head) {
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mem = list_entry(node, struct memblock, node);
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allocated_size += mem->size;
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printf(" kmem-resv.rgn[%ld].name = \"%s\" %s\n",
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i, mem->attr.name,
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mem->orig_base != mem->base ? "<*>" : "");
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printf(" .addr = 0x%08lx - 0x%08lx (size: 0x%08lx)\n",
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(ulong)mem->orig_base,
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(ulong)(mem->orig_base + mem->size),
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(ulong)mem->size);
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i++;
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}
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printf("\n framework malloc_r = %3d MiB",
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SIZE_MB(CONFIG_SYS_MALLOC_LEN));
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printf("\n framework malloc_f = %3d KiB\n",
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SIZE_KB(CONFIG_SYS_MALLOC_F_LEN));
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printf("\n allocated.total = 0x%08lx (%ld MiB. %ld KiB)\n",
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(ulong)allocated_size,
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SIZE_MB((ulong)allocated_size),
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SIZE_KB((ulong)allocated_size));
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/* LMB core reserved */
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printf(" --------------------------------------------------------------------\n");
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reserved_size = 0;
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for (i = 0; i < lmb->reserved.cnt; i++) {
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reserved_size += lmb->reserved.region[i].size;
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printf(" LMB.allocated[%ld].addr = 0x%08lx - 0x%08lx (size: 0x%08lx)\n", i,
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(ulong)lmb->reserved.region[i].base,
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(ulong)lmb->reserved.region[i].base +
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(ulong)lmb->reserved.region[i].size,
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(ulong)lmb->reserved.region[i].size);
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}
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printf("\n reserved.core.total = 0x%08lx (%ld MiB. %ld KiB)\n",
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(ulong)reserved_size,
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SIZE_MB((ulong)reserved_size),
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SIZE_KB((ulong)reserved_size));
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printf(" --------------------------------------------------------------------\n\n");
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}
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void sysmem_overflow_check(void)
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{
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struct sysmem *sysmem = &plat_sysmem;
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struct list_head *node, *knode;
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struct memcheck *check;
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struct memblock *kmem;
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struct memblock *smem;
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struct memblock *rmem;
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int overflow = 0, overlap = 0;
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if (!sysmem_has_init())
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return;
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#ifdef CONFIG_BIDRAM
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/*
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* Check kernel 'reserved-memory' overlap with invisible regions
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*
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* Here, only print warning message when overlap with invisible region
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*/
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list_for_each(knode, &sysmem->kmem_resv_head) {
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kmem = list_entry(knode, struct memblock, node);
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rmem = bidram_reserved_is_overlap(kmem->base, kmem->size);
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if (rmem) {
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const char *alias;
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int i, dump = 1;
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/*
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* Ignore the sub region of invisible region.
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* eg: ramoops of SHM.
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*/
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alias = rmem->attr.alias[0];
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if (alias && sysmem_is_sub_region(kmem, rmem)) {
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for (i = 0; i < ALIAS_COUNT_MAX; i++, alias++) {
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alias = rmem->attr.alias[i];
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if (!alias)
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continue;
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if (!strncasecmp(kmem->attr.name, alias,
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strlen(alias))) {
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dump = 0;
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break;
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}
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}
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}
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if (dump)
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SYSMEM_W("kernel 'reserved-memory' \"%s\"(0x%08lx - 0x%08lx) "
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"is overlap with [invisible] \"%s\" (0x%08lx - 0x%08lx)\n",
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kmem->attr.name, (ulong)kmem->base,
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(ulong)(kmem->base + kmem->size),
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rmem->attr.name, (ulong)rmem->base,
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(ulong)(rmem->base + rmem->size));
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}
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}
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#endif
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list_for_each(node, &sysmem->allocated_head) {
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smem = list_entry(node, struct memblock, node);
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/*
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* Check kernel 'reserved-memory' overlap with sysmem allocated regions
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*/
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list_for_each(knode, &sysmem->kmem_resv_head) {
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kmem = list_entry(knode, struct memblock, node);
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if (sysmem_is_overlap(smem->base, smem->size,
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kmem->base, kmem->size)) {
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if (smem->attr.flags & F_KMEM_CAN_OVERLAP)
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continue;
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overlap = 1;
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SYSMEM_W("kernel 'reserved-memory' \"%s\"(0x%08lx - 0x%08lx) "
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"is overlap with \"%s\" (0x%08lx - 0x%08lx)\n",
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kmem->attr.name, (ulong)kmem->base,
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(ulong)(kmem->base + kmem->size),
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smem->attr.name, (ulong)smem->base,
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(ulong)(smem->base + smem->size));
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}
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}
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/*
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* Check sysmem allocated regions overflow.
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*/
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if (smem->attr.flags & F_OFC) {
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check = (struct memcheck *)
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(smem->base + smem->size - sizeof(*check));
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overflow = (check->magic != SYSMEM_MAGIC);
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} else if (smem->attr.flags & F_HOFC) {
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check = (struct memcheck *)
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(smem->base - sizeof(*check));
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overflow = (check->magic != SYSMEM_MAGIC);
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} else {
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overflow = 0;
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}
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if (overflow) {
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SYSMEM_E("Found there is region overflow!\n");
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break;
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}
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}
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if (overflow || overlap)
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sysmem_dump();
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}
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static int sysmem_add(phys_addr_t base, phys_size_t size)
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{
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struct sysmem *sysmem = &plat_sysmem;
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int ret;
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if (!size)
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return -EINVAL;
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ret = lmb_add(&sysmem->lmb, base, size);
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if (ret < 0)
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SYSMEM_E("Failed to add sysmem at 0x%08lx for 0x%08lx size\n",
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(ulong)base, (ulong)size);
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return (ret >= 0) ? 0 : ret;
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}
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static const char *sysmem_alias2name(const char *name, int *id)
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{
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const char *alias;
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int i, j;
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int match = 0;
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for (i = 0; i < MEM_MAX; i++) {
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/* Pirmary name */
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if (mem_attr[i].name && !strcasecmp(mem_attr[i].name, name)) {
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match = 1;
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goto finish;
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}
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/* Alias name */
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alias = mem_attr[i].alias[0];
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if (!alias)
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continue;
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for (j = 0; j < ALIAS_COUNT_MAX; j++) {
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alias = mem_attr[i].alias[j];
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if (alias && !strcasecmp(alias, name)) {
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match = 1;
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goto finish;
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}
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}
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}
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finish:
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if (match) {
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*id = i;
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return mem_attr[i].name;
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}
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return name;
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}
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static void *sysmem_alloc_align_base(enum memblk_id id,
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const char *mem_name,
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phys_addr_t base,
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phys_size_t size,
|
ulong align)
|
{
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struct sysmem *sysmem = &plat_sysmem;
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struct memblk_attr attr;
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struct memblock *mem;
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struct memcheck *check;
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struct list_head *node;
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const char *name;
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phys_addr_t paddr;
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phys_addr_t alloc_base;
|
phys_size_t alloc_size;
|
phys_addr_t orig_base = base;
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|
if (!sysmem_has_init())
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goto out;
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if (id == MEM_BY_NAME || id == MEM_KMEM_RESERVED) {
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if (!mem_name) {
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SYSMEM_E("NULL name for alloc sysmem\n");
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goto out;
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}
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/* Find: name, id and attr by outer mem_name & id */
|
name = sysmem_alias2name(mem_name, (int *)&id);
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attr = mem_attr[id];
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if (!attr.name)
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attr.name = strdup(name);
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/* Always make kernel 'reserved-memory' alloc successfully */
|
if (id == MEM_KMEM_RESERVED) {
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struct memblock *mem;
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|
mem = malloc(sizeof(*mem));
|
if (!mem) {
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SYSMEM_E("No memory for \"%s\" alloc sysmem\n", name);
|
return mem;
|
}
|
|
attr.flags |= F_KMEM_RESERVED;
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mem->orig_base = orig_base;
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mem->base = base;
|
mem->size = size;
|
mem->attr = attr;
|
sysmem->kmem_resv_cnt++;
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list_add_tail(&mem->node, &sysmem->kmem_resv_head);
|
|
return (void *)base;
|
}
|
} else if (id > MEM_UNK && id < MEM_MAX) {
|
attr = mem_attr[id];
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name = attr.name;
|
|
/*
|
* Special handle for Android AVB alloc(on any where)
|
*
|
* Fixup base and place right after U-Boot stack, adding a lot
|
* of space(4KB) maybe safer.
|
*/
|
if (attr.flags & F_HIGHEST_MEM) {
|
base = gd->start_addr_sp -
|
CONFIG_SYS_STACK_SIZE - size - 0x1000;
|
|
/*
|
* The 0x0 address is usually allocated by 32-bit uncompressed
|
* kernel and this alloc action is just a peek.
|
*
|
* Due to LMB core doesn't support alloc at 0x0 address, we have
|
* to alloc the memblk backword a few bytes.
|
*
|
* ARCH_DMA_MINALIGN maybe a good choice.
|
*/
|
} else if (!base) {
|
base += ARCH_DMA_MINALIGN;
|
} else if (base < gd->bd->bi_dram[0].start) {
|
/*
|
* On Rockchip platform:
|
*
|
* So far, we use F_IGNORE_INVISIBLE for uncompress
|
* kernel alloc, and for ARMv8 enabling AArch32 mode, the
|
* ATF is still AArch64 and ocuppies 0~1MB and shmem 1~2M.
|
* So let's ignore the region which overlap with them.
|
*/
|
if (attr.flags & F_IGNORE_INVISIBLE) {
|
base = gd->bd->bi_dram[0].start;
|
} else {
|
SYSMEM_E("Failed to alloc invisible sub region 0x%08lx - 0x%08lx "
|
"of \"%s\" at 0x%08lx - 0x%08lx\n",
|
(ulong)base, (ulong)gd->bd->bi_dram[0].start,
|
name, (ulong)base, (ulong)(base + size));
|
goto out;
|
}
|
}
|
} else {
|
SYSMEM_E("Unsupport memblk id %d for alloc sysmem\n", id);
|
goto out;
|
}
|
|
if (!size) {
|
SYSMEM_E("\"%s\" size is 0 for alloc sysmem\n", name);
|
goto out;
|
}
|
|
/*
|
* Some modules use "sysmem_alloc()" to alloc region for storage
|
* read/write buffer, it should be aligned to cacheline size. eg: AVB.
|
*
|
* Aligned down to cacheline size if not aligned, otherwise the tail
|
* of region maybe overflow.
|
*/
|
if (attr.flags & F_CACHELINE_ALIGN &&
|
!IS_ALIGNED(base, ARCH_DMA_MINALIGN)) {
|
base = ALIGN(base, ARCH_DMA_MINALIGN);
|
base -= ARCH_DMA_MINALIGN;
|
}
|
|
if (base != SYSMEM_ALLOC_ANYWHERE && !IS_ALIGNED(base, 4)) {
|
SYSMEM_E("\"%s\" base=0x%08lx is not 4-byte aligned\n",
|
name, (ulong)base);
|
goto out;
|
}
|
|
/* Must be sizeof(long) byte aligned */
|
size = ALIGN(size, sizeof(long));
|
|
SYSMEM_D("Enter alloc: \"%s\" 0x%08lx - 0x%08lx\n",
|
name, (ulong)base, (ulong)(base + size));
|
|
/* Already allocated ? */
|
list_for_each(node, &sysmem->allocated_head) {
|
mem = list_entry(node, struct memblock, node);
|
SYSMEM_D("Has allcated: %s, 0x%08lx - 0x%08lx\n",
|
mem->attr.name, (ulong)mem->base,
|
(ulong)(mem->base + mem->size));
|
if (!strcmp(mem->attr.name, name)) {
|
/* Allow double alloc for same but smaller region */
|
if (mem->base <= base && mem->size >= size)
|
return (void *)base;
|
|
SYSMEM_E("Failed to double alloc for existence \"%s\"\n", name);
|
goto out;
|
} else if (sysmem_is_overlap(mem->base, mem->size, base, size)) {
|
SYSMEM_E("\"%s\" (0x%08lx - 0x%08lx) alloc is "
|
"overlap with existence \"%s\" (0x%08lx - "
|
"0x%08lx)\n",
|
name, (ulong)base, (ulong)(base + size),
|
mem->attr.name, (ulong)mem->base,
|
(ulong)(mem->base + mem->size));
|
goto out;
|
}
|
}
|
|
/* Add overflow check magic ? */
|
if (attr.flags & F_OFC)
|
alloc_size = size + sizeof(*check);
|
else
|
alloc_size = size;
|
|
/* Alloc anywhere ? */
|
if (base == SYSMEM_ALLOC_ANYWHERE)
|
alloc_base = LMB_ALLOC_ANYWHERE;
|
else
|
alloc_base = base + alloc_size; /* LMB is align down alloc mechanism */
|
|
SYSMEM_D("DO alloc... base: 0x%08lx\n", (ulong)alloc_base);
|
|
paddr = lmb_alloc_base(&sysmem->lmb, alloc_size, align, alloc_base);
|
if (paddr) {
|
if ((paddr == base) || (base == SYSMEM_ALLOC_ANYWHERE)) {
|
mem = malloc(sizeof(*mem));
|
if (!mem) {
|
SYSMEM_E("No memory for \"%s\" alloc sysmem\n", name);
|
goto out;
|
}
|
/* Record original base for dump */
|
if (attr.flags & F_HIGHEST_MEM)
|
mem->orig_base = base;
|
else
|
mem->orig_base = orig_base;
|
|
mem->base = paddr;
|
mem->size = alloc_size;
|
mem->attr = attr;
|
sysmem->allocated_cnt++;
|
list_add_tail(&mem->node, &sysmem->allocated_head);
|
|
/* Add overflow check magic */
|
if (mem->attr.flags & F_OFC) {
|
check = (struct memcheck *)(paddr + size);
|
check->magic = SYSMEM_MAGIC;
|
} else if (mem->attr.flags & F_HOFC) {
|
check = (struct memcheck *)(paddr - sizeof(*check));
|
check->magic = SYSMEM_MAGIC;
|
}
|
} else {
|
SYSMEM_E("Failed to alloc \"%s\" expect at 0x%08lx - 0x%08lx "
|
"but at 0x%08lx - 0x%08lx\n",
|
name, (ulong)base, (ulong)(base + size),
|
(ulong)paddr, (ulong)(paddr + size));
|
/* Free what we don't want allocated region */
|
if (lmb_free(&sysmem->lmb, paddr, alloc_size) < 0)
|
SYSMEM_E("Failed to free \"%s\"\n", name);
|
|
goto out;
|
}
|
} else {
|
SYSMEM_E("Failed to alloc \"%s\" at 0x%08lx - 0x%08lx\n",
|
name, (ulong)base, (ulong)(base + size));
|
goto out;
|
}
|
|
SYSMEM_D("Exit alloc: \"%s\", paddr=0x%08lx, size=0x%08lx, align=0x%x, anywhere=%d\n",
|
name, (ulong)paddr, (ulong)size, (u32)align, !base);
|
|
return (void *)paddr;
|
|
out:
|
/*
|
* Why: base + sizeof(ulong) ?
|
* It's not a standard way to handle the case: the input base is 0.
|
* Because 0 equals NULL, but we don't want to return NULL when alloc
|
* successfully, so just return a !NULL value is okay.
|
*
|
* When it happens ?
|
* Maybe 32-bit platform would alloc region for uncompress kernel
|
* at 0 address.
|
*/
|
if (base == 0)
|
base = base + sizeof(ulong);
|
|
return (attr.flags & (F_IGNORE_INVISIBLE | F_NO_FAIL_DUMP)) ?
|
(void *)base : NULL;
|
}
|
|
void *sysmem_alloc(enum memblk_id id, phys_size_t size)
|
{
|
void *paddr;
|
|
paddr = sysmem_alloc_align_base(id,
|
NULL,
|
SYSMEM_ALLOC_ANYWHERE,
|
size,
|
ARCH_DMA_MINALIGN);
|
if (!paddr)
|
sysmem_dump();
|
|
return paddr;
|
}
|
|
void *sysmem_alloc_by_name(const char *name, phys_size_t size)
|
{
|
void *paddr;
|
|
paddr = sysmem_alloc_align_base(MEM_BY_NAME,
|
name,
|
SYSMEM_ALLOC_ANYWHERE,
|
size,
|
ARCH_DMA_MINALIGN);
|
if (!paddr)
|
sysmem_dump();
|
|
return paddr;
|
}
|
|
void *sysmem_alloc_base(enum memblk_id id, phys_addr_t base, phys_size_t size)
|
{
|
void *paddr;
|
|
paddr = sysmem_alloc_align_base(id,
|
NULL,
|
base,
|
size,
|
SYSMEM_ALLOC_NO_ALIGN);
|
if (!paddr)
|
sysmem_dump();
|
|
return paddr;
|
}
|
|
void *sysmem_alloc_base_by_name(const char *name,
|
phys_addr_t base, phys_size_t size)
|
{
|
void *paddr;
|
|
paddr = sysmem_alloc_align_base(MEM_BY_NAME,
|
name,
|
base,
|
size,
|
SYSMEM_ALLOC_NO_ALIGN);
|
if (!paddr)
|
sysmem_dump();
|
|
return paddr;
|
}
|
|
void *sysmem_fdt_reserve_alloc_base(const char *name,
|
phys_addr_t base, phys_size_t size)
|
{
|
void *paddr;
|
|
paddr = sysmem_alloc_align_base(MEM_KMEM_RESERVED,
|
name,
|
base,
|
size,
|
SYSMEM_ALLOC_NO_ALIGN);
|
if (!paddr)
|
sysmem_dump();
|
|
return paddr;
|
}
|
|
ulong sysmem_alloc_temporary_mem(phys_size_t size)
|
{
|
struct sysmem *sysmem = &plat_sysmem;
|
phys_addr_t alloc_base;
|
phys_addr_t paddr;
|
phys_addr_t base;
|
int ret;
|
|
if (!sysmem_has_init())
|
return false;
|
|
base = (gd->start_addr_sp - CONFIG_SYS_STACK_SIZE - 0x2000) - size;
|
|
/* LMB is align down alloc mechanism */
|
alloc_base = base + size;
|
paddr = __lmb_alloc_base(&sysmem->lmb, size, SZ_1K, alloc_base);
|
if (paddr) {
|
/* If free failed, return false */
|
ret = lmb_free(&sysmem->lmb, paddr, size);
|
if (ret < 0) {
|
SYSMEM_E("Can't free at 0x%08lx - 0x%08lx, ret=%d\n",
|
(ulong)paddr, (ulong)(paddr + size), ret);
|
return 0;
|
}
|
}
|
|
return paddr;
|
}
|
|
int sysmem_free(phys_addr_t base)
|
{
|
struct sysmem *sysmem = &plat_sysmem;
|
struct memblock *mem;
|
struct list_head *node;
|
int ret, found = 0;
|
|
if (!sysmem_has_init())
|
return -ENOSYS;
|
|
/* Find existence */
|
list_for_each(node, &sysmem->allocated_head) {
|
mem = list_entry(node, struct memblock, node);
|
if (mem->base == base || mem->orig_base == base) {
|
found = 1;
|
break;
|
}
|
}
|
|
if (!found) {
|
SYSMEM_E("Failed to free no allocated sysmem at 0x%08lx\n",
|
(ulong)base);
|
return -EINVAL;
|
}
|
|
ret = lmb_free(&sysmem->lmb, mem->base, mem->size);
|
if (ret >= 0) {
|
SYSMEM_D("Free: \"%s\" 0x%08lx - 0x%08lx\n",
|
mem->attr.name, (ulong)mem->base,
|
(ulong)(mem->base + mem->size));
|
sysmem->allocated_cnt--;
|
list_del(&mem->node);
|
free(mem);
|
} else {
|
SYSMEM_E("Failed to free \"%s\" at 0x%08lx\n",
|
mem->attr.name, (ulong)base);
|
}
|
|
return (ret >= 0) ? 0 : ret;
|
}
|
|
int sysmem_initr(void)
|
{
|
return sysmem_init();
|
}
|
|
int sysmem_init(void)
|
{
|
struct sysmem *sysmem = &plat_sysmem;
|
phys_addr_t mem_start;
|
phys_size_t mem_size;
|
int ret;
|
|
lmb_init(&sysmem->lmb);
|
INIT_LIST_HEAD(&sysmem->allocated_head);
|
INIT_LIST_HEAD(&sysmem->kmem_resv_head);
|
sysmem->allocated_cnt = 0;
|
sysmem->kmem_resv_cnt = 0;
|
|
if (gd->flags & GD_FLG_RELOC) {
|
sysmem->has_initr = true;
|
} else {
|
SYSMEM_I("init\n");
|
sysmem->has_initf = true;
|
}
|
|
/* Add all available system memory */
|
#ifdef CONFIG_NR_DRAM_BANKS
|
int i;
|
|
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
|
if (!gd->bd->bi_dram[i].size)
|
continue;
|
|
ret = sysmem_add(gd->bd->bi_dram[i].start,
|
gd->bd->bi_dram[i].size);
|
if (ret) {
|
SYSMEM_E("Failed to add sysmem from bi_dram[%d]\n", i);
|
goto fail;
|
}
|
}
|
#else
|
mem_start = env_get_bootm_low();
|
mem_size = env_get_bootm_size();
|
ret = sysmem_add(mem_start, mem_size);
|
if (ret) {
|
SYSMEM_E("Failed to add sysmem from bootm_low/size\n");
|
goto fail;
|
}
|
#endif
|
/* Reserved for board */
|
ret = board_sysmem_reserve(sysmem);
|
if (ret) {
|
SYSMEM_E("Failed to reserve sysmem for board\n");
|
goto fail;
|
}
|
|
/* Reserved for U-boot framework: 'reserve_xxx()' */
|
mem_start = gd->start_addr_sp;
|
mem_size = gd->ram_top - mem_start;
|
if (!sysmem_alloc_base(MEM_UBOOT, mem_start, mem_size)) {
|
SYSMEM_E("Failed to reserve sysmem for U-Boot framework\n");
|
ret = -ENOMEM;
|
goto fail;
|
}
|
|
/* Reserved for U-Boot stack */
|
mem_start = gd->start_addr_sp - CONFIG_SYS_STACK_SIZE;
|
mem_size = CONFIG_SYS_STACK_SIZE;
|
if (!sysmem_alloc_base(MEM_STACK, mem_start, mem_size)) {
|
SYSMEM_E("Failed to reserve sysmem for stack\n");
|
ret = -ENOMEM;
|
goto fail;
|
}
|
|
return 0;
|
|
fail:
|
if (ret && !(gd->flags & GD_FLG_RELOC)) {
|
sysmem_dump();
|
SYSMEM_W("Maybe malloc size %d MiB is too large?\n\n",
|
SIZE_MB(CONFIG_SYS_MALLOC_LEN));
|
}
|
|
return ret;
|
}
|
|
__weak int board_sysmem_reserve(struct sysmem *sysmem)
|
{
|
/* please define platform specific board_sysmem_reserve() */
|
return 0;
|
}
|
|
static int do_sysmem_dump(cmd_tbl_t *cmdtp, int flag,
|
int argc, char *const argv[])
|
{
|
sysmem_dump();
|
return 0;
|
}
|
|
static int do_sysmem_search(cmd_tbl_t *cmdtp, int flag,
|
int argc, char *const argv[])
|
{
|
ulong addr, size;
|
|
if (argc != 2)
|
return CMD_RET_USAGE;
|
|
size = simple_strtoul(argv[1], NULL, 16);
|
if (!size)
|
return CMD_RET_USAGE;
|
|
addr = sysmem_alloc_temporary_mem(size);
|
if (!addr) {
|
SYSMEM_I("No available region with size 0x%08lx\n", size);
|
} else {
|
SYSMEM_I("Available region at address: 0x%08lx\n",addr);
|
}
|
env_set_hex("smem_addr", addr);
|
|
return 0;
|
}
|
|
U_BOOT_CMD(
|
sysmem_dump, 1, 1, do_sysmem_dump,
|
"Dump sysmem layout",
|
""
|
);
|
|
U_BOOT_CMD(
|
sysmem_search, 2, 1, do_sysmem_search,
|
"Search a available sysmem region",
|
"<size in hex>"
|
);
|
