[PATCH 04/11] ARM: OMAP: Move omap2+ specific parts of sram.c to mach-omap2

Tony Lindgren
2012-10-30T23:52:50Z

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>
---
arch/arm/mach-omap2/Makefile | 2
arch/arm/mach-omap2/sram.c | 305 ++++++++++++++++++++++++++++++++++++++++++
arch/arm/plat-omap/sram.c | 288 ----------------------------------------
3 files changed, 306 insertions(+), 289 deletions(-)
create mode 100644 arch/arm/mach-omap2/sram.c

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 46d9071..e3de5d4 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/sram.c b/arch/arm/mach-omap2/sram.c
new file mode 100644
index 0000000..0ff0f06
--- /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 6fd3216..743fc28 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