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-rw-r--r--arch/m32r/mm/discontig.c163
1 files changed, 0 insertions, 163 deletions
diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c
deleted file mode 100644
index eb8e7966dcaf..000000000000
--- a/arch/m32r/mm/discontig.c
+++ /dev/null
@@ -1,163 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/m32r/mm/discontig.c
- *
- * Discontig memory support
- *
- * Copyright (c) 2003 Hitoshi Yamamoto
- */
-
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/mmzone.h>
-#include <linux/initrd.h>
-#include <linux/nodemask.h>
-#include <linux/module.h>
-#include <linux/pfn.h>
-
-#include <asm/setup.h>
-
-extern char _end[];
-
-struct pglist_data *node_data[MAX_NUMNODES];
-EXPORT_SYMBOL(node_data);
-
-pg_data_t m32r_node_data[MAX_NUMNODES];
-
-/* Memory profile */
-typedef struct {
- unsigned long start_pfn;
- unsigned long pages;
- unsigned long holes;
- unsigned long free_pfn;
-} mem_prof_t;
-static mem_prof_t mem_prof[MAX_NUMNODES];
-
-extern unsigned long memory_start;
-extern unsigned long memory_end;
-
-static void __init mem_prof_init(void)
-{
- unsigned long start_pfn, holes, free_pfn;
- const unsigned long zone_alignment = 1UL << (MAX_ORDER - 1);
- unsigned long ul;
- mem_prof_t *mp;
-
- /* Node#0 SDRAM */
- mp = &mem_prof[0];
- mp->start_pfn = PFN_UP(CONFIG_MEMORY_START);
- mp->pages = PFN_DOWN(memory_end - memory_start);
- mp->holes = 0;
- mp->free_pfn = PFN_UP(__pa(_end));
-
- /* Node#1 internal SRAM */
- mp = &mem_prof[1];
- start_pfn = free_pfn = PFN_UP(CONFIG_IRAM_START);
- holes = 0;
- if (start_pfn & (zone_alignment - 1)) {
- ul = zone_alignment;
- while (start_pfn >= ul)
- ul += zone_alignment;
-
- start_pfn = ul - zone_alignment;
- holes = free_pfn - start_pfn;
- }
-
- mp->start_pfn = start_pfn;
- mp->pages = PFN_DOWN(CONFIG_IRAM_SIZE) + holes;
- mp->holes = holes;
- mp->free_pfn = PFN_UP(CONFIG_IRAM_START);
-}
-
-unsigned long __init setup_memory(void)
-{
- unsigned long bootmap_size;
- unsigned long min_pfn;
- int nid;
- mem_prof_t *mp;
-
- max_low_pfn = 0;
- min_low_pfn = -1;
-
- mem_prof_init();
-
- for_each_online_node(nid) {
- mp = &mem_prof[nid];
- NODE_DATA(nid)=(pg_data_t *)&m32r_node_data[nid];
- NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
- min_pfn = mp->start_pfn;
- max_pfn = mp->start_pfn + mp->pages;
- bootmap_size = init_bootmem_node(NODE_DATA(nid), mp->free_pfn,
- mp->start_pfn, max_pfn);
-
- free_bootmem_node(NODE_DATA(nid), PFN_PHYS(mp->start_pfn),
- PFN_PHYS(mp->pages));
-
- reserve_bootmem_node(NODE_DATA(nid), PFN_PHYS(mp->start_pfn),
- PFN_PHYS(mp->free_pfn - mp->start_pfn) + bootmap_size,
- BOOTMEM_DEFAULT);
-
- if (max_low_pfn < max_pfn)
- max_low_pfn = max_pfn;
-
- if (min_low_pfn > min_pfn)
- min_low_pfn = min_pfn;
- }
-
-#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START) {
- if (INITRD_START + INITRD_SIZE <= PFN_PHYS(max_low_pfn)) {
- reserve_bootmem_node(NODE_DATA(0), INITRD_START,
- INITRD_SIZE, BOOTMEM_DEFAULT);
- initrd_start = INITRD_START + PAGE_OFFSET;
- initrd_end = initrd_start + INITRD_SIZE;
- printk("initrd:start[%08lx],size[%08lx]\n",
- initrd_start, INITRD_SIZE);
- } else {
- printk("initrd extends beyond end of memory "
- "(0x%08lx > 0x%08llx)\ndisabling initrd\n",
- INITRD_START + INITRD_SIZE,
- (unsigned long long)PFN_PHYS(max_low_pfn));
-
- initrd_start = 0;
- }
- }
-#endif /* CONFIG_BLK_DEV_INITRD */
-
- return max_low_pfn;
-}
-
-#define START_PFN(nid) (NODE_DATA(nid)->bdata->node_min_pfn)
-#define MAX_LOW_PFN(nid) (NODE_DATA(nid)->bdata->node_low_pfn)
-
-void __init zone_sizes_init(void)
-{
- unsigned long zones_size[MAX_NR_ZONES], zholes_size[MAX_NR_ZONES];
- unsigned long low, start_pfn;
- int nid, i;
- mem_prof_t *mp;
-
- for_each_online_node(nid) {
- mp = &mem_prof[nid];
- for (i = 0 ; i < MAX_NR_ZONES ; i++) {
- zones_size[i] = 0;
- zholes_size[i] = 0;
- }
- start_pfn = START_PFN(nid);
- low = MAX_LOW_PFN(nid);
- zones_size[ZONE_DMA] = low - start_pfn;
- zholes_size[ZONE_DMA] = mp->holes;
-
- node_set_state(nid, N_NORMAL_MEMORY);
- free_area_init_node(nid, zones_size, start_pfn, zholes_size);
- }
-
- /*
- * For test
- * Use all area of internal RAM.
- * see __alloc_pages()
- */
- NODE_DATA(1)->node_zones->watermark[WMARK_MIN] = 0;
- NODE_DATA(1)->node_zones->watermark[WMARK_LOW] = 0;
- NODE_DATA(1)->node_zones->watermark[WMARK_HIGH] = 0;
-}