ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/c6x/mm/init.c b/marvell/linux/arch/c6x/mm/init.c
new file mode 100644
index 0000000..9b37439
--- /dev/null
+++ b/marvell/linux/arch/c6x/mm/init.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Port on Texas Instruments TMS320C6x architecture
+ *
+ * Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
+ * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
+ */
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/module.h>
+#include <linux/memblock.h>
+#ifdef CONFIG_BLK_DEV_RAM
+#include <linux/blkdev.h>
+#endif
+#include <linux/initrd.h>
+
+#include <asm/sections.h>
+#include <linux/uaccess.h>
+
+/*
+ * ZERO_PAGE is a special page that is used for zero-initialized
+ * data and COW.
+ */
+unsigned long empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
+
+/*
+ * paging_init() continues the virtual memory environment setup which
+ * was begun by the code in arch/head.S.
+ * The parameters are pointers to where to stick the starting and ending
+ * addresses of available kernel virtual memory.
+ */
+void __init paging_init(void)
+{
+ struct pglist_data *pgdat = NODE_DATA(0);
+ unsigned long zones_size[MAX_NR_ZONES] = {0, };
+
+ empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE,
+ PAGE_SIZE);
+ if (!empty_zero_page)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
+
+ /*
+ * Set up user data space
+ */
+ set_fs(KERNEL_DS);
+
+ /*
+ * Define zones
+ */
+ zones_size[ZONE_NORMAL] = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
+ pgdat->node_zones[ZONE_NORMAL].zone_start_pfn =
+ __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+
+ free_area_init(zones_size);
+}
+
+void __init mem_init(void)
+{
+ high_memory = (void *)(memory_end & PAGE_MASK);
+
+ /* this will put all memory onto the freelists */
+ memblock_free_all();
+
+ mem_init_print_info(NULL);
+}