ARM: OMAP: Move omap2+ specific parts of sram.c to mach-omap2

Let's make the omap2+ specific parts private to mach-omap2.

This leaves just a minimal shared code into plat-omap like
it should be.

Signed-off-by: Tony Lindgren <tony@atomide.com>

4 files changed, 307 insertions, 289 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 46d9071f093..e3de5d4a57d 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -5,7 +5,7 @@
 # Common support
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
 	 common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
-	 omap_device.o
+	 omap_device.o sram.o
 
 # INTCPS IP block support - XXX should be moved to drivers/
 obj-$(CONFIG_ARCH_OMAP2)		+= irq.o
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 8a7fc04f4ba..3cfcd41bf8f 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -32,6 +32,7 @@
 #include "hsmmc.h"
 #include "omap4-sar-layout.h"
 #include "omap-secure.h"
+#include "sram.h"
 
 #ifdef CONFIG_CACHE_L2X0
 static void __iomem *l2cache_base;
diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c
new file mode 100644
index 00000000000..0ff0f068bea
--- /dev/null
+++ b/arch/arm/mach-omap2/sram.c
@@ -0,0 +1,305 @@
+/*
+ *
+ * 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>
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/fncpy.h>
+#include <asm/tlb.h>
+#include <asm/cacheflush.h>
+
+#include <asm/mach/map.h>
+
+#include "soc.h"
+#include "iomap.h"
+#include "prm2xxx_3xxx.h"
+#include "sdrc.h"
+#include "sram.h"
+
+#define OMAP2_SRAM_PUB_PA	(OMAP2_SRAM_PA + 0xf800)
+#define OMAP3_SRAM_PUB_PA       (OMAP3_SRAM_PA + 0x8000)
+#ifdef CONFIG_OMAP4_ERRATA_I688
+#define OMAP4_SRAM_PUB_PA	OMAP4_SRAM_PA
+#else
+#define OMAP4_SRAM_PUB_PA	(OMAP4_SRAM_PA + 0x4000)
+#endif
+#define OMAP5_SRAM_PA		0x40300000
+
+#define SRAM_BOOTLOADER_SZ	0x00
+
+#define OMAP24XX_VA_REQINFOPERM0	OMAP2_L3_IO_ADDRESS(0x68005048)
+#define OMAP24XX_VA_READPERM0		OMAP2_L3_IO_ADDRESS(0x68005050)
+#define OMAP24XX_VA_WRITEPERM0		OMAP2_L3_IO_ADDRESS(0x68005058)
+
+#define OMAP34XX_VA_REQINFOPERM0	OMAP2_L3_IO_ADDRESS(0x68012848)
+#define OMAP34XX_VA_READPERM0		OMAP2_L3_IO_ADDRESS(0x68012850)
+#define OMAP34XX_VA_WRITEPERM0		OMAP2_L3_IO_ADDRESS(0x68012858)
+#define OMAP34XX_VA_ADDR_MATCH2		OMAP2_L3_IO_ADDRESS(0x68012880)
+#define OMAP34XX_VA_SMS_RG_ATT0		OMAP2_L3_IO_ADDRESS(0x6C000048)
+
+#define GP_DEVICE		0x300
+
+#define ROUND_DOWN(value,boundary)	((value) & (~((boundary)-1)))
+
+static unsigned long omap_sram_start;
+static unsigned long omap_sram_skip;
+static unsigned long omap_sram_size;
+
+/*
+ * Depending on the target RAMFS firewall setup, the public usable amount of
+ * SRAM varies.  The default accessible size for all device types is 2k. A GP
+ * device allows ARM11 but not other initiators for full size. This
+ * functionality seems ok until some nice security API happens.
+ */
+static int is_sram_locked(void)
+{
+	if (OMAP2_DEVICE_TYPE_GP == omap_type()) {
+		/* RAMFW: R/W access to all initiators for all qualifier sets */
+		if (cpu_is_omap242x()) {
+			__raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */
+			__raw_writel(0xCFDE, OMAP24XX_VA_READPERM0);  /* all i-read */
+			__raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
+		}
+		if (cpu_is_omap34xx()) {
+			__raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
+			__raw_writel(0xFFFF, OMAP34XX_VA_READPERM0);  /* all i-read */
+			__raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
+			__raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2);
+			__raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0);
+		}
+		return 0;
+	} else
+		return 1; /* assume locked with no PPA or security driver */
+}
+
+/*
+ * The amount of SRAM depends on the core type.
+ * Note that we cannot try to test for SRAM here because writes
+ * to secure SRAM will hang the system. Also the SRAM is not
+ * yet mapped at this point.
+ */
+static void __init omap_detect_sram(void)
+{
+	omap_sram_skip = SRAM_BOOTLOADER_SZ;
+	if (is_sram_locked()) {
+		if (cpu_is_omap34xx()) {
+			omap_sram_start = OMAP3_SRAM_PUB_PA;
+			if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
+			    (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
+				omap_sram_size = 0x7000; /* 28K */
+				omap_sram_skip += SZ_16K;
+			} else {
+				omap_sram_size = 0x8000; /* 32K */
+			}
+		} else if (cpu_is_omap44xx()) {
+			omap_sram_start = OMAP4_SRAM_PUB_PA;
+			omap_sram_size = 0xa000; /* 40K */
+		} else if (soc_is_omap54xx()) {
+			omap_sram_start = OMAP5_SRAM_PA;
+			omap_sram_size = SZ_128K; /* 128KB */
+		} else {
+			omap_sram_start = OMAP2_SRAM_PUB_PA;
+			omap_sram_size = 0x800; /* 2K */
+		}
+	} else {
+		if (soc_is_am33xx()) {
+			omap_sram_start = AM33XX_SRAM_PA;
+			omap_sram_size = 0x10000; /* 64K */
+		} else if (cpu_is_omap34xx()) {
+			omap_sram_start = OMAP3_SRAM_PA;
+			omap_sram_size = 0x10000; /* 64K */
+		} else if (cpu_is_omap44xx()) {
+			omap_sram_start = OMAP4_SRAM_PA;
+			omap_sram_size = 0xe000; /* 56K */
+		} else if (soc_is_omap54xx()) {
+			omap_sram_start = OMAP5_SRAM_PA;
+			omap_sram_size = SZ_128K; /* 128KB */
+		} else {
+			omap_sram_start = OMAP2_SRAM_PA;
+			if (cpu_is_omap242x())
+				omap_sram_size = 0xa0000; /* 640K */
+			else if (cpu_is_omap243x())
+				omap_sram_size = 0x10000; /* 64K */
+		}
+	}
+}
+
+/*
+ * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
+ */
+static void __init omap2_map_sram(void)
+{
+	int cached = 1;
+
+#ifdef CONFIG_OMAP4_ERRATA_I688
+	if (cpu_is_omap44xx()) {
+		omap_sram_start += PAGE_SIZE;
+		omap_sram_size -= SZ_16K;
+	}
+#endif
+	if (cpu_is_omap34xx()) {
+		/*
+		 * SRAM must be marked as non-cached on OMAP3 since the
+		 * CORE DPLL M2 divider change code (in SRAM) runs with the
+		 * SDRAM controller disabled, and if it is marked cached,
+		 * the ARM may attempt to write cache lines back to SDRAM
+		 * which will cause the system to hang.
+		 */
+		cached = 0;
+	}
+
+	omap_map_sram(omap_sram_start, omap_sram_size,
+			omap_sram_skip, cached);
+}
+
+static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+			      u32 base_cs, u32 force_unlock);
+
+void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+		   u32 base_cs, u32 force_unlock)
+{
+	BUG_ON(!_omap2_sram_ddr_init);
+	_omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
+			     base_cs, force_unlock);
+}
+
+static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
+					  u32 mem_type);
+
+void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
+{
+	BUG_ON(!_omap2_sram_reprogram_sdrc);
+	_omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
+}
+
+static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
+
+u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
+{
+	BUG_ON(!_omap2_set_prcm);
+	return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
+}
+
+#ifdef CONFIG_SOC_OMAP2420
+static int __init omap242x_sram_init(void)
+{
+	_omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init,
+					omap242x_sram_ddr_init_sz);
+
+	_omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc,
+					    omap242x_sram_reprogram_sdrc_sz);
+
+	_omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm,
+					 omap242x_sram_set_prcm_sz);
+
+	return 0;
+}
+#else
+static inline int omap242x_sram_init(void)
+{
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_SOC_OMAP2430
+static int __init omap243x_sram_init(void)
+{
+	_omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init,
+					omap243x_sram_ddr_init_sz);
+
+	_omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc,
+					    omap243x_sram_reprogram_sdrc_sz);
+
+	_omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm,
+					 omap243x_sram_set_prcm_sz);
+
+	return 0;
+}
+#else
+static inline int omap243x_sram_init(void)
+{
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+
+static u32 (*_omap3_sram_configure_core_dpll)(
+			u32 m2, u32 unlock_dll, u32 f, u32 inc,
+			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
+			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
+			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
+			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
+
+u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc,
+			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
+			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
+			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
+			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1)
+{
+	BUG_ON(!_omap3_sram_configure_core_dpll);
+	return _omap3_sram_configure_core_dpll(
+			m2, unlock_dll, f, inc,
+			sdrc_rfr_ctrl_0, sdrc_actim_ctrl_a_0,
+			sdrc_actim_ctrl_b_0, sdrc_mr_0,
+			sdrc_rfr_ctrl_1, sdrc_actim_ctrl_a_1,
+			sdrc_actim_ctrl_b_1, sdrc_mr_1);
+}
+
+void omap3_sram_restore_context(void)
+{
+	omap_sram_reset();
+
+	_omap3_sram_configure_core_dpll =
+		omap_sram_push(omap3_sram_configure_core_dpll,
+			       omap3_sram_configure_core_dpll_sz);
+	omap_push_sram_idle();
+}
+
+static inline int omap34xx_sram_init(void)
+{
+	omap3_sram_restore_context();
+	return 0;
+}
+#else
+static inline int omap34xx_sram_init(void)
+{
+	return 0;
+}
+#endif /* CONFIG_ARCH_OMAP3 */
+
+static inline int am33xx_sram_init(void)
+{
+	return 0;
+}
+
+int __init omap_sram_init(void)
+{
+	omap_detect_sram();
+	omap2_map_sram();
+
+	if (cpu_is_omap242x())
+		omap242x_sram_init();
+	else if (cpu_is_omap2430())
+		omap243x_sram_init();
+	else if (soc_is_am33xx())
+		am33xx_sram_init();
+	else if (cpu_is_omap34xx())
+		omap34xx_sram_init();
+
+	return 0;
+}
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 6fd32162964..743fc2836f7 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -26,159 +26,14 @@
 
 #include <asm/mach/map.h>
 
-#include "../mach-omap2/soc.h"
-#include "../mach-omap2/sram.h"
-
-/* XXX These "sideways" includes will disappear when sram.c becomes a driver */
-#include "../mach-omap2/iomap.h"
-#include "../mach-omap2/prm2xxx_3xxx.h"
-#include "../mach-omap2/sdrc.h"
-
-#define OMAP2_SRAM_PUB_PA	(OMAP2_SRAM_PA + 0xf800)
-#define OMAP3_SRAM_PUB_PA       (OMAP3_SRAM_PA + 0x8000)
-#ifdef CONFIG_OMAP4_ERRATA_I688
-#define OMAP4_SRAM_PUB_PA	OMAP4_SRAM_PA
-#else
-#define OMAP4_SRAM_PUB_PA	(OMAP4_SRAM_PA + 0x4000)
-#endif
-#define OMAP5_SRAM_PA		0x40300000
-
-#if defined(CONFIG_ARCH_OMAP2PLUS)
-#define SRAM_BOOTLOADER_SZ	0x00
-#else
-#define SRAM_BOOTLOADER_SZ	0x80
-#endif
-
-#define OMAP24XX_VA_REQINFOPERM0	OMAP2_L3_IO_ADDRESS(0x68005048)
-#define OMAP24XX_VA_READPERM0		OMAP2_L3_IO_ADDRESS(0x68005050)
-#define OMAP24XX_VA_WRITEPERM0		OMAP2_L3_IO_ADDRESS(0x68005058)
-
-#define OMAP34XX_VA_REQINFOPERM0	OMAP2_L3_IO_ADDRESS(0x68012848)
-#define OMAP34XX_VA_READPERM0		OMAP2_L3_IO_ADDRESS(0x68012850)
-#define OMAP34XX_VA_WRITEPERM0		OMAP2_L3_IO_ADDRESS(0x68012858)
-#define OMAP34XX_VA_ADDR_MATCH2		OMAP2_L3_IO_ADDRESS(0x68012880)
-#define OMAP34XX_VA_SMS_RG_ATT0		OMAP2_L3_IO_ADDRESS(0x6C000048)
-
-#define GP_DEVICE		0x300
-
 #define ROUND_DOWN(value,boundary)	((value) & (~((boundary)-1)))
 
-static unsigned long omap_sram_start;
 static void __iomem *omap_sram_base;
 static unsigned long omap_sram_skip;
 static unsigned long omap_sram_size;
 static void __iomem *omap_sram_ceil;
 
 /*
- * Depending on the target RAMFS firewall setup, the public usable amount of
- * SRAM varies.  The default accessible size for all device types is 2k. A GP
- * device allows ARM11 but not other initiators for full size. This
- * functionality seems ok until some nice security API happens.
- */
-static int is_sram_locked(void)
-{
-	if (OMAP2_DEVICE_TYPE_GP == omap_type()) {
-		/* RAMFW: R/W access to all initiators for all qualifier sets */
-		if (cpu_is_omap242x()) {
-			__raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */
-			__raw_writel(0xCFDE, OMAP24XX_VA_READPERM0);  /* all i-read */
-			__raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
-		}
-		if (cpu_is_omap34xx()) {
-			__raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
-			__raw_writel(0xFFFF, OMAP34XX_VA_READPERM0);  /* all i-read */
-			__raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
-			__raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2);
-			__raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0);
-		}
-		return 0;
-	} else
-		return 1; /* assume locked with no PPA or security driver */
-}
-
-/*
- * The amount of SRAM depends on the core type.
- * Note that we cannot try to test for SRAM here because writes
- * to secure SRAM will hang the system. Also the SRAM is not
- * yet mapped at this point.
- */
-static void __init omap_detect_sram(void)
-{
-	omap_sram_skip = SRAM_BOOTLOADER_SZ;
-	if (cpu_class_is_omap2()) {
-		if (is_sram_locked()) {
-			if (cpu_is_omap34xx()) {
-				omap_sram_start = OMAP3_SRAM_PUB_PA;
-				if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
-				    (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
-					omap_sram_size = 0x7000; /* 28K */
-					omap_sram_skip += SZ_16K;
-				} else {
-					omap_sram_size = 0x8000; /* 32K */
-				}
-			} else if (cpu_is_omap44xx()) {
-				omap_sram_start = OMAP4_SRAM_PUB_PA;
-				omap_sram_size = 0xa000; /* 40K */
-			} else if (soc_is_omap54xx()) {
-				omap_sram_start = OMAP5_SRAM_PA;
-				omap_sram_size = SZ_128K; /* 128KB */
-			} else {
-				omap_sram_start = OMAP2_SRAM_PUB_PA;
-				omap_sram_size = 0x800; /* 2K */
-			}
-		} else {
-			if (soc_is_am33xx()) {
-				omap_sram_start = AM33XX_SRAM_PA;
-				omap_sram_size = 0x10000; /* 64K */
-			} else if (cpu_is_omap34xx()) {
-				omap_sram_start = OMAP3_SRAM_PA;
-				omap_sram_size = 0x10000; /* 64K */
-			} else if (cpu_is_omap44xx()) {
-				omap_sram_start = OMAP4_SRAM_PA;
-				omap_sram_size = 0xe000; /* 56K */
-			} else if (soc_is_omap54xx()) {
-				omap_sram_start = OMAP5_SRAM_PA;
-				omap_sram_size = SZ_128K; /* 128KB */
-			} else {
-				omap_sram_start = OMAP2_SRAM_PA;
-				if (cpu_is_omap242x())
-					omap_sram_size = 0xa0000; /* 640K */
-				else if (cpu_is_omap243x())
-					omap_sram_size = 0x10000; /* 64K */
-			}
-		}
-	}
-}
-
-/*
- * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
- */
-static void __init omap_fix_and_map_sram(void)
-{
-	int cached = 1;
-
-#ifdef CONFIG_OMAP4_ERRATA_I688
-	if (cpu_is_omap44xx()) {
-		omap_sram_start += PAGE_SIZE;
-		omap_sram_size -= SZ_16K;
-	}
-#endif
-	if (cpu_is_omap34xx()) {
-		/*
-		 * SRAM must be marked as non-cached on OMAP3 since the
-		 * CORE DPLL M2 divider change code (in SRAM) runs with the
-		 * SDRAM controller disabled, and if it is marked cached,
-		 * the ARM may attempt to write cache lines back to SDRAM
-		 * which will cause the system to hang.
-		 */
-		cached = 0;
-	}
-
-	omap_map_sram(omap_sram_start, omap_sram_size,
-			omap_sram_skip, cached);
-}
-
-/*
  * Memory allocator for SRAM: calculates the new ceiling address
  * for pushing a function using the fncpy API.
  *
@@ -239,146 +94,3 @@ void __init omap_map_sram(unsigned long start, unsigned long size,
 	memset_io(omap_sram_base + omap_sram_skip, 0,
 		  omap_sram_size - omap_sram_skip);
 }
-
-#if defined(CONFIG_ARCH_OMAP2)
-
-static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
-			      u32 base_cs, u32 force_unlock);
-
-void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
-		   u32 base_cs, u32 force_unlock)
-{
-	BUG_ON(!_omap2_sram_ddr_init);
-	_omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
-			     base_cs, force_unlock);
-}
-
-static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
-					  u32 mem_type);
-
-void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
-{
-	BUG_ON(!_omap2_sram_reprogram_sdrc);
-	_omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
-}
-
-static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
-
-u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
-{
-	BUG_ON(!_omap2_set_prcm);
-	return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
-}
-#endif
-
-#ifdef CONFIG_SOC_OMAP2420
-static int __init omap242x_sram_init(void)
-{
-	_omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init,
-					omap242x_sram_ddr_init_sz);
-
-	_omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc,
-					    omap242x_sram_reprogram_sdrc_sz);
-
-	_omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm,
-					 omap242x_sram_set_prcm_sz);
-
-	return 0;
-}
-#else
-static inline int omap242x_sram_init(void)
-{
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_SOC_OMAP2430
-static int __init omap243x_sram_init(void)
-{
-	_omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init,
-					omap243x_sram_ddr_init_sz);
-
-	_omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc,
-					    omap243x_sram_reprogram_sdrc_sz);
-
-	_omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm,
-					 omap243x_sram_set_prcm_sz);
-
-	return 0;
-}
-#else
-static inline int omap243x_sram_init(void)
-{
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
-
-static u32 (*_omap3_sram_configure_core_dpll)(
-			u32 m2, u32 unlock_dll, u32 f, u32 inc,
-			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
-			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
-			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
-			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
-
-u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc,
-			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
-			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
-			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
-			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1)
-{
-	BUG_ON(!_omap3_sram_configure_core_dpll);
-	return _omap3_sram_configure_core_dpll(
-			m2, unlock_dll, f, inc,
-			sdrc_rfr_ctrl_0, sdrc_actim_ctrl_a_0,
-			sdrc_actim_ctrl_b_0, sdrc_mr_0,
-			sdrc_rfr_ctrl_1, sdrc_actim_ctrl_a_1,
-			sdrc_actim_ctrl_b_1, sdrc_mr_1);
-}
-
-void omap3_sram_restore_context(void)
-{
-	omap_sram_reset();
-
-	_omap3_sram_configure_core_dpll =
-		omap_sram_push(omap3_sram_configure_core_dpll,
-			       omap3_sram_configure_core_dpll_sz);
-	omap_push_sram_idle();
-}
-
-static inline int omap34xx_sram_init(void)
-{
-	omap3_sram_restore_context();
-	return 0;
-}
-#else
-static inline int omap34xx_sram_init(void)
-{
-	return 0;
-}
-#endif /* CONFIG_ARCH_OMAP3 */
-
-static inline int am33xx_sram_init(void)
-{
-	return 0;
-}
-
-#ifdef CONFIG_ARCH_OMAP2PLUS
-int __init omap_sram_init(void)
-{
-	omap_detect_sram();
-	omap_fix_and_map_sram();
-
-	if (cpu_is_omap242x())
-		omap242x_sram_init();
-	else if (cpu_is_omap2430())
-		omap243x_sram_init();
-	else if (soc_is_am33xx())
-		am33xx_sram_init();
-	else if (cpu_is_omap34xx())
-		omap34xx_sram_init();
-
-	return 0;
-}
-#endif