diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3146ed3f6eca01a42068454e31f53a3330cc12c6..f03ccaec9701510d2865c2e2a69e60134dd8c1f6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -558,6 +558,7 @@ config ARCH_MMP
select TICK_ONESHOT
select PLAT_PXA
select SPARSE_IRQ
+ select GENERIC_ALLOCATOR
help
Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index b0ac942327aa72bf5ffa36acc9e9434cd0884fb1..169c6743bde8e5c3fcf477b46ea44acddf6209c1 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -7,7 +7,7 @@ obj-y += common.o clock.o devices.o time.o
# SoC support
obj-$(CONFIG_CPU_PXA168) += pxa168.o irq-pxa168.o
obj-$(CONFIG_CPU_PXA910) += pxa910.o irq-pxa168.o
-obj-$(CONFIG_CPU_MMP2) += mmp2.o irq-mmp2.o
+obj-$(CONFIG_CPU_MMP2) += mmp2.o irq-mmp2.o sram.o
# board support
obj-$(CONFIG_MACH_ASPENITE) += aspenite.o
diff --git a/arch/arm/mach-mmp/include/mach/sram.h b/arch/arm/mach-mmp/include/mach/sram.h
new file mode 100644
index 0000000000000000000000000000000000000000..239e0fc1bb1f9af55a1abecaf0a68b01d0faa214
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/sram.h
@@ -0,0 +1,35 @@
+/*
+ * linux/arch/arm/mach-mmp/include/mach/sram.h
+ *
+ * SRAM Memory Management
+ *
+ * Copyright (c) 2011 Marvell Semiconductors Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __ASM_ARCH_SRAM_H
+#define __ASM_ARCH_SRAM_H
+
+#include <linux/genalloc.h>
+
+/* ARBITRARY: SRAM allocations are multiples of this 2^N size */
+#define SRAM_GRANULARITY 512
+
+enum sram_type {
+ MMP_SRAM_UNDEFINED = 0,
+ MMP_ASRAM,
+ MMP_ISRAM,
+};
+
+struct sram_platdata {
+ char *pool_name;
+ int granularity;
+};
+
+extern struct gen_pool *sram_get_gpool(char *pool_name);
+
+#endif /* __ASM_ARCH_SRAM_H */
diff --git a/arch/arm/mach-mmp/sram.c b/arch/arm/mach-mmp/sram.c
new file mode 100644
index 0000000000000000000000000000000000000000..4304f9519372d972c1d798a5c7a9aa33d3dce954
--- /dev/null
+++ b/arch/arm/mach-mmp/sram.c
@@ -0,0 +1,168 @@
+/*
+ * linux/arch/arm/mach-mmp/sram.c
+ *
+ * based on mach-davinci/sram.c - DaVinci simple SRAM allocator
+ *
+ * Copyright (c) 2011 Marvell Semiconductors Inc.
+ * All Rights Reserved
+ *
+ * Add for mmp sram support - Leo Yan <leoy@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/genalloc.h>
+
+#include <mach/sram.h>
+
+struct sram_bank_info {
+ char *pool_name;
+ struct gen_pool *gpool;
+ int granularity;
+
+ phys_addr_t sram_phys;
+ void __iomem *sram_virt;
+ u32 sram_size;
+
+ struct list_head node;
+};
+
+static DEFINE_MUTEX(sram_lock);
+static LIST_HEAD(sram_bank_list);
+
+struct gen_pool *sram_get_gpool(char *pool_name)
+{
+ struct sram_bank_info *info = NULL;
+
+ if (!pool_name)
+ return NULL;
+
+ mutex_lock(&sram_lock);
+
+ list_for_each_entry(info, &sram_bank_list, node)
+ if (!strcmp(pool_name, info->pool_name))
+ break;
+
+ mutex_unlock(&sram_lock);
+
+ if (&info->node == &sram_bank_list)
+ return NULL;
+
+ return info->gpool;
+}
+EXPORT_SYMBOL(sram_get_gpool);
+
+static int __devinit sram_probe(struct platform_device *pdev)
+{
+ struct sram_platdata *pdata = pdev->dev.platform_data;
+ struct sram_bank_info *info;
+ struct resource *res;
+ int ret = 0;
+
+ if (!pdata && !pdata->pool_name)
+ return -ENODEV;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "no memory resource defined\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ if (!resource_size(res))
+ return 0;
+
+ info->sram_phys = (phys_addr_t)res->start;
+ info->sram_size = resource_size(res);
+ info->sram_virt = ioremap(info->sram_phys, info->sram_size);
+ info->pool_name = kstrdup(pdata->pool_name, GFP_KERNEL);
+ info->granularity = pdata->granularity;
+
+ info->gpool = gen_pool_create(ilog2(info->granularity), -1);
+ if (!info->gpool) {
+ dev_err(&pdev->dev, "create pool failed\n");
+ ret = -ENOMEM;
+ goto create_pool_err;
+ }
+
+ ret = gen_pool_add_virt(info->gpool, (unsigned long)info->sram_virt,
+ info->sram_phys, info->sram_size, -1);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "add new chunk failed\n");
+ ret = -ENOMEM;
+ goto add_chunk_err;
+ }
+
+ mutex_lock(&sram_lock);
+ list_add(&info->node, &sram_bank_list);
+ mutex_unlock(&sram_lock);
+
+ platform_set_drvdata(pdev, info);
+
+ dev_info(&pdev->dev, "initialized\n");
+ return 0;
+
+add_chunk_err:
+ gen_pool_destroy(info->gpool);
+create_pool_err:
+ iounmap(info->sram_virt);
+ kfree(info->pool_name);
+out:
+ kfree(info);
+ return ret;
+}
+
+static int __devexit sram_remove(struct platform_device *pdev)
+{
+ struct sram_bank_info *info;
+
+ info = platform_get_drvdata(pdev);
+ if (info == NULL)
+ return -ENODEV;
+
+ mutex_lock(&sram_lock);
+ list_del(&info->node);
+ mutex_unlock(&sram_lock);
+
+ gen_pool_destroy(info->gpool);
+ iounmap(info->sram_virt);
+ kfree(info->pool_name);
+ kfree(info);
+ return 0;
+}
+
+static const struct platform_device_id sram_id_table[] = {
+ { "asram", MMP_ASRAM },
+ { "isram", MMP_ISRAM },
+ { }
+};
+
+static struct platform_driver sram_driver = {
+ .probe = sram_probe,
+ .remove = sram_remove,
+ .driver = {
+ .name = "mmp-sram",
+ },
+ .id_table = sram_id_table,
+};
+
+static int __init sram_init(void)
+{
+ return platform_driver_register(&sram_driver);
+}
+core_initcall(sram_init);
+
+MODULE_LICENSE("GPL");