3 files changed, 1 insertions, 138 deletions
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 5d55295a14ee..fefce2e1eaf3 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -6,4 +6,4 @@
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-omap/include
 
 # Common support
-obj-y := sram.o
+obj-y :=
diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h
deleted file mode 100644
index 30a07730807a..000000000000
--- a/arch/arm/plat-omap/include/plat/sram.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-int omap_sram_init(void);
-
-void omap_map_sram(unsigned long start, unsigned long size,
-			unsigned long skip, int cached);
-void omap_sram_reset(void);
-
-extern void *omap_sram_push(void *funcp, unsigned long size);
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
deleted file mode 100644
index 0f1eacad7fe3..000000000000
--- a/arch/arm/plat-omap/sram.c
+++ /dev/null
@@ -1,129 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/arch/arm/plat-omap/sram.c
- *
- * OMAP SRAM detection and management
- *
- * Copyright (C) 2005 Nokia Corporation
- * Written by Tony Lindgren <tony@atomide.com>
- *
- * Copyright (C) 2009-2012 Texas Instruments
- * Added OMAP4/5 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
- */
-#undef DEBUG
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <asm/fncpy.h>
-#include <asm/tlb.h>
-#include <asm/cacheflush.h>
-#include <asm/set_memory.h>
-
-#include <asm/mach/map.h>
-
-#include <plat/sram.h>
-
-#define ROUND_DOWN(value,boundary)	((value) & (~((boundary)-1)))
-
-static void __iomem *omap_sram_base;
-static unsigned long omap_sram_skip;
-static unsigned long omap_sram_size;
-static void __iomem *omap_sram_ceil;
-
-/*
- * Memory allocator for SRAM: calculates the new ceiling address
- * for pushing a function using the fncpy API.
- *
- * Note that fncpy requires the returned address to be aligned
- * to an 8-byte boundary.
- */
-static void *omap_sram_push_address(unsigned long size)
-{
-	unsigned long available, new_ceil = (unsigned long)omap_sram_ceil;
-
-	available = omap_sram_ceil - (omap_sram_base + omap_sram_skip);
-
-	if (size > available) {
-		pr_err("Not enough space in SRAM\n");
-		return NULL;
-	}
-
-	new_ceil -= size;
-	new_ceil = ROUND_DOWN(new_ceil, FNCPY_ALIGN);
-	omap_sram_ceil = IOMEM(new_ceil);
-
-	return (void *)omap_sram_ceil;
-}
-
-void *omap_sram_push(void *funcp, unsigned long size)
-{
-	void *sram;
-	unsigned long base;
-	int pages;
-	void *dst = NULL;
-
-	sram = omap_sram_push_address(size);
-	if (!sram)
-		return NULL;
-
-	base = (unsigned long)sram & PAGE_MASK;
-	pages = PAGE_ALIGN(size) / PAGE_SIZE;
-
-	set_memory_rw(base, pages);
-
-	dst = fncpy(sram, funcp, size);
-
-	set_memory_ro(base, pages);
-	set_memory_x(base, pages);
-
-	return dst;
-}
-
-/*
- * The SRAM context is lost during off-idle and stack
- * needs to be reset.
- */
-void omap_sram_reset(void)
-{
-	omap_sram_ceil = omap_sram_base + omap_sram_size;
-}
-
-/*
- * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
- */
-void __init omap_map_sram(unsigned long start, unsigned long size,
-				 unsigned long skip, int cached)
-{
-	unsigned long base;
-	int pages;
-
-	if (size == 0)
-		return;
-
-	start = ROUND_DOWN(start, PAGE_SIZE);
-	omap_sram_size = size;
-	omap_sram_skip = skip;
-	omap_sram_base = __arm_ioremap_exec(start, size, cached);
-	if (!omap_sram_base) {
-		pr_err("SRAM: Could not map\n");
-		return;
-	}
-
-	omap_sram_reset();
-
-	/*
-	 * Looks like we need to preserve some bootloader code at the
-	 * beginning of SRAM for jumping to flash for reboot to work...
-	 */
-	memset_io(omap_sram_base + omap_sram_skip, 0,
-		  omap_sram_size - omap_sram_skip);
-
-	base = (unsigned long)omap_sram_base;
-	pages = PAGE_ALIGN(omap_sram_size) / PAGE_SIZE;
-
-	set_memory_ro(base, pages);
-	set_memory_x(base, pages);
-}