Merge branch 'next/cleanup2' of git://git.linaro.org/people/arnd/arm-soc

* 'next/cleanup2' of git://git.linaro.org/people/arnd/arm-soc: (31 commits)
  ARM: OMAP: Warn if omap_ioremap is called before SoC detection
  ARM: OMAP: Move set_globals initialization to happen in init_early
  ARM: OMAP: Map SRAM later on with ioremap_exec()
  ARM: OMAP: Remove calls to SRAM allocations for framebuffer
  ARM: OMAP: Avoid cpu_is_omapxxxx usage until map_io is done
  ARM: OMAP1: Use generic map_io, init_early and init_irq
  arm/dts: OMAP3+: Add mpu, dsp and iva nodes
  arm/dts: OMAP4: Add a main ocp entry bound to l3-noc driver
  ARM: OMAP2+: l3-noc: Add support for device-tree
  ARM: OMAP2+: board-generic: Add i2c static init
  ARM: OMAP2+: board-generic: Add DT support to generic board
  arm/dts: Add support for OMAP3 Beagle board
  arm/dts: Add initial device tree support for OMAP3 SoC
  arm/dts: Add support for OMAP4 SDP board
  arm/dts: Add support for OMAP4 PandaBoard
  arm/dts: Add initial device tree support for OMAP4 SoC
  ARM: OMAP: omap_device: Add a method to build an omap_device from a DT node
  ARM: OMAP: omap_device: Add omap_device_[alloc|delete] for DT integration
  of: Add helpers to get one string in multiple strings property
  ARM: OMAP2+: devices: Remove all omap_device_pm_latency structures
  ...

Fix up trivial header file conflicts in arch/arm/mach-omap2/board-generic.c

7 files changed, 335 insertions, 134 deletions

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index a162b2c2ae15..679cbd49c019 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -139,14 +139,6 @@ static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
         omap_pm_set_max_mpu_wakeup_lat(dev, t);
 }
 
-static struct omap_device_pm_latency omap_i2c_latency[] = {
-        [0] = {
-                .deactivate_func        = omap_device_idle_hwmods,
-                .activate_func          = omap_device_enable_hwmods,
-                .flags                  = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
-        },
-};
-
 static inline int omap2_i2c_add_bus(int bus_id)
 {
         int l;
@@ -189,7 +181,7 @@ static inline int omap2_i2c_add_bus(int bus_id)
                 pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat;
         pdev = omap_device_build(name, bus_id, oh, pdata,
                         sizeof(struct omap_i2c_bus_platform_data),
-                        omap_i2c_latency, ARRAY_SIZE(omap_i2c_latency), 0);
+                        NULL, 0, 0);
         WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", name);
 
         return PTR_ERR(pdev);
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index abda2c7e499b..c50df4814f6f 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -50,10 +50,13 @@ void omap2430_init_early(void);
 void omap3430_init_early(void);
 void omap35xx_init_early(void);
 void omap3630_init_early(void);
+void omap3_init_early(void);    /* Do not use this one */
 void am35xx_init_early(void);
 void ti816x_init_early(void);
 void omap4430_init_early(void);
 
+void omap_sram_init(void);
+
 /*
  * IO bases for various OMAP processors
  * Except the tap base, rest all the io bases
@@ -62,13 +65,13 @@ void omap4430_init_early(void);
 struct omap_globals {
         u32             class;          /* OMAP class to detect */
         void __iomem    *tap;           /* Control module ID code */
-        unsigned long   sdrc;           /* SDRAM Controller */
-        unsigned long   sms;            /* SDRAM Memory Scheduler */
-        unsigned long   ctrl;           /* System Control Module */
-        unsigned long   ctrl_pad;       /* PAD Control Module */
-        unsigned long   prm;            /* Power and Reset Management */
-        unsigned long   cm;             /* Clock Management */
-        unsigned long   cm2;
+        void __iomem    *sdrc;           /* SDRAM Controller */
+        void __iomem    *sms;            /* SDRAM Memory Scheduler */
+        void __iomem    *ctrl;           /* System Control Module */
+        void __iomem    *ctrl_pad;      /* PAD Control Module */
+        void __iomem    *prm;            /* Power and Reset Management */
+        void __iomem    *cm;             /* Clock Management */
+        void __iomem    *cm2;
 };
 
 void omap2_set_globals_242x(void);
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index a93a00db93da..7f2969eadb85 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -228,13 +228,13 @@
 
 #define OMAP44XX_EMIF2_PHYS     OMAP44XX_EMIF2_BASE
                                                 /* 0x4d000000 --> 0xfd200000 */
-#define OMAP44XX_EMIF2_VIRT     (OMAP44XX_EMIF2_PHYS + OMAP4_L3_PER_IO_OFFSET)
 #define OMAP44XX_EMIF2_SIZE     SZ_1M
+#define OMAP44XX_EMIF2_VIRT     (OMAP44XX_EMIF1_VIRT + OMAP44XX_EMIF1_SIZE)
 
 #define OMAP44XX_DMM_PHYS       OMAP44XX_DMM_BASE
                                                 /* 0x4e000000 --> 0xfd300000 */
-#define OMAP44XX_DMM_VIRT       (OMAP44XX_DMM_PHYS + OMAP4_L3_PER_IO_OFFSET)
 #define OMAP44XX_DMM_SIZE       SZ_1M
+#define OMAP44XX_DMM_VIRT       (OMAP44XX_EMIF2_VIRT + OMAP44XX_EMIF2_SIZE)
 /*
  * ----------------------------------------------------------------------------
  * Omap specific register access
@@ -247,6 +247,8 @@
  * NOTE: Please use ioremap + __raw_read/write where possible instead of these
  */
 
+void omap_ioremap_init(void);
+
 extern u8 omap_readb(u32 pa);
 extern u16 omap_readw(u32 pa);
 extern u32 omap_readl(u32 pa);
@@ -256,8 +258,31 @@ extern void omap_writel(u32 v, u32 pa);
 
 struct omap_sdrc_params;
 
-extern void omap1_map_common_io(void);
-extern void omap1_init_common_hw(void);
+#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
+void omap7xx_map_io(void);
+#else
+static inline void omap_map_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP15XX
+void omap15xx_map_io(void);
+#else
+static inline void omap15xx_map_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP16XX
+void omap16xx_map_io(void);
+#else
+static inline void omap16xx_map_io(void)
+{
+}
+#endif
+
+void omap1_init_early(void);
 
 #ifdef CONFIG_SOC_OMAP2420
 extern void omap242x_map_common_io(void);
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index d4d9b96f961e..12c5b0c345bf 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -101,6 +101,7 @@ struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
                                          int pm_lats_cnt, int is_early_device);
 
 void __iomem *omap_device_get_rt_va(struct omap_device *od);
+struct device *omap_device_get_by_hwmod_name(const char *oh_name);
 
 /* OMAP PM interface */
 int omap_device_align_pm_lat(struct platform_device *pdev,
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index e9b0e23edd0a..333871f59995 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -24,11 +24,16 @@
 #define BETWEEN(p,st,sz)        ((p) >= (st) && (p) < ((st) + (sz)))
 #define XLATE(p,pst,vst)        ((void __iomem *)((p) - (pst) + (vst)))
 
+static int initialized;
+
 /*
  * Intercept ioremap() requests for addresses in our fixed mapping regions.
  */
 void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
 {
+
+        WARN(!initialized, "Do not use ioremap before init_early\n");
+
 #ifdef CONFIG_ARCH_OMAP1
         if (cpu_class_is_omap1()) {
                 if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
@@ -147,3 +152,8 @@ void __init omap_init_consistent_dma_size(void)
         init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20);
 #endif
 }
+
+void __init omap_ioremap_init(void)
+{
+        initialized++;
+}
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 26aee5cc1fc1..cd90bedd9306 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -85,6 +85,8 @@
 #include <linux/clk.h>
 #include <linux/clkdev.h>
 #include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/notifier.h>
 
 #include <plat/omap_device.h>
 #include <plat/omap_hwmod.h>
@@ -96,6 +98,20 @@
 
 static int omap_device_register(struct platform_device *pdev);
 static int omap_early_device_register(struct platform_device *pdev);
+static struct omap_device *omap_device_alloc(struct platform_device *pdev,
+                                      struct omap_hwmod **ohs, int oh_cnt,
+                                      struct omap_device_pm_latency *pm_lats,
+                                      int pm_lats_cnt);
+static void omap_device_delete(struct omap_device *od);
+
+
+static struct omap_device_pm_latency omap_default_latency[] = {
+        {
+                .deactivate_func = omap_device_idle_hwmods,
+                .activate_func   = omap_device_enable_hwmods,
+                .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+        }
+};
 
 /* Private functions */
 
@@ -303,6 +319,96 @@ static void _add_hwmod_clocks_clkdev(struct omap_device *od,
 }
 
 
+static struct dev_pm_domain omap_device_pm_domain;
+
+/**
+ * omap_device_build_from_dt - build an omap_device with multiple hwmods
+ * @pdev_name: name of the platform_device driver to use
+ * @pdev_id: this platform_device's connection ID
+ * @oh: ptr to the single omap_hwmod that backs this omap_device
+ * @pdata: platform_data ptr to associate with the platform_device
+ * @pdata_len: amount of memory pointed to by @pdata
+ * @pm_lats: pointer to a omap_device_pm_latency array for this device
+ * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ * @is_early_device: should the device be registered as an early device or not
+ *
+ * Function for building an omap_device already registered from device-tree
+ *
+ * Returns 0 or PTR_ERR() on error.
+ */
+static int omap_device_build_from_dt(struct platform_device *pdev)
+{
+        struct omap_hwmod **hwmods;
+        struct omap_device *od;
+        struct omap_hwmod *oh;
+        struct device_node *node = pdev->dev.of_node;
+        const char *oh_name;
+        int oh_cnt, i, ret = 0;
+
+        oh_cnt = of_property_count_strings(node, "ti,hwmods");
+        if (!oh_cnt || IS_ERR_VALUE(oh_cnt)) {
+                dev_warn(&pdev->dev, "No 'hwmods' to build omap_device\n");
+                return -ENODEV;
+        }
+
+        hwmods = kzalloc(sizeof(struct omap_hwmod *) * oh_cnt, GFP_KERNEL);
+        if (!hwmods) {
+                ret = -ENOMEM;
+                goto odbfd_exit;
+        }
+
+        for (i = 0; i < oh_cnt; i++) {
+                of_property_read_string_index(node, "ti,hwmods", i, &oh_name);
+                oh = omap_hwmod_lookup(oh_name);
+                if (!oh) {
+                        dev_err(&pdev->dev, "Cannot lookup hwmod '%s'\n",
+                                oh_name);
+                        ret = -EINVAL;
+                        goto odbfd_exit1;
+                }
+                hwmods[i] = oh;
+        }
+
+        od = omap_device_alloc(pdev, hwmods, oh_cnt, NULL, 0);
+        if (!od) {
+                dev_err(&pdev->dev, "Cannot allocate omap_device for :%s\n",
+                        oh_name);
+                ret = PTR_ERR(od);
+                goto odbfd_exit1;
+        }
+
+        if (of_get_property(node, "ti,no_idle_on_suspend", NULL))
+                omap_device_disable_idle_on_suspend(pdev);
+
+        pdev->dev.pm_domain = &omap_device_pm_domain;
+
+odbfd_exit1:
+        kfree(hwmods);
+odbfd_exit:
+        return ret;
+}
+
+static int _omap_device_notifier_call(struct notifier_block *nb,
+                                      unsigned long event, void *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+
+        switch (event) {
+        case BUS_NOTIFY_ADD_DEVICE:
+                if (pdev->dev.of_node)
+                        omap_device_build_from_dt(pdev);
+                break;
+
+        case BUS_NOTIFY_DEL_DEVICE:
+                if (pdev->archdata.od)
+                        omap_device_delete(pdev->archdata.od);
+                break;
+        }
+
+        return NOTIFY_DONE;
+}
+
+
 /* Public functions for use by core code */
 
 /**
@@ -389,6 +495,113 @@ static int omap_device_fill_resources(struct omap_device *od,
 }
 
 /**
+ * omap_device_alloc - allocate an omap_device
+ * @pdev: platform_device that will be included in this omap_device
+ * @oh: ptr to the single omap_hwmod that backs this omap_device
+ * @pdata: platform_data ptr to associate with the platform_device
+ * @pdata_len: amount of memory pointed to by @pdata
+ * @pm_lats: pointer to a omap_device_pm_latency array for this device
+ * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ *
+ * Convenience function for allocating an omap_device structure and filling
+ * hwmods, resources and pm_latency attributes.
+ *
+ * Returns an struct omap_device pointer or ERR_PTR() on error;
+ */
+static struct omap_device *omap_device_alloc(struct platform_device *pdev,
+                                        struct omap_hwmod **ohs, int oh_cnt,
+                                        struct omap_device_pm_latency *pm_lats,
+                                        int pm_lats_cnt)
+{
+        int ret = -ENOMEM;
+        struct omap_device *od;
+        struct resource *res = NULL;
+        int i, res_count;
+        struct omap_hwmod **hwmods;
+
+        od = kzalloc(sizeof(struct omap_device), GFP_KERNEL);
+        if (!od) {
+                ret = -ENOMEM;
+                goto oda_exit1;
+        }
+        od->hwmods_cnt = oh_cnt;
+
+        hwmods = kmemdup(ohs, sizeof(struct omap_hwmod *) * oh_cnt, GFP_KERNEL);
+        if (!hwmods)
+                goto oda_exit2;
+
+        od->hwmods = hwmods;
+        od->pdev = pdev;
+
+        /*
+         * HACK: Ideally the resources from DT should match, and hwmod
+         * should just add the missing ones. Since the name is not
+         * properly populated by DT, stick to hwmod resources only.
+         */
+        if (pdev->num_resources && pdev->resource)
+                dev_warn(&pdev->dev, "%s(): resources already allocated %d\n",
+                        __func__, pdev->num_resources);
+
+        res_count = omap_device_count_resources(od);
+        if (res_count > 0) {
+                dev_dbg(&pdev->dev, "%s(): resources allocated from hwmod %d\n",
+                        __func__, res_count);
+                res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL);
+                if (!res)
+                        goto oda_exit3;
+
+                omap_device_fill_resources(od, res);
+
+                ret = platform_device_add_resources(pdev, res, res_count);
+                kfree(res);
+
+                if (ret)
+                        goto oda_exit3;
+        }
+
+        if (!pm_lats) {
+                pm_lats = omap_default_latency;
+                pm_lats_cnt = ARRAY_SIZE(omap_default_latency);
+        }
+
+        od->pm_lats_cnt = pm_lats_cnt;
+        od->pm_lats = kmemdup(pm_lats,
+                        sizeof(struct omap_device_pm_latency) * pm_lats_cnt,
+                        GFP_KERNEL);
+        if (!od->pm_lats)
+                goto oda_exit3;
+
+        pdev->archdata.od = od;
+
+        for (i = 0; i < oh_cnt; i++) {
+                hwmods[i]->od = od;
+                _add_hwmod_clocks_clkdev(od, hwmods[i]);
+        }
+
+        return od;
+
+oda_exit3:
+        kfree(hwmods);
+oda_exit2:
+        kfree(od);
+oda_exit1:
+        dev_err(&pdev->dev, "omap_device: build failed (%d)\n", ret);
+
+        return ERR_PTR(ret);
+}
+
+static void omap_device_delete(struct omap_device *od)
+{
+        if (!od)
+                return;
+
+        od->pdev->archdata.od = NULL;
+        kfree(od->pm_lats);
+        kfree(od->hwmods);
+        kfree(od);
+}
+
+/**
  * omap_device_build - build and register an omap_device with one omap_hwmod
  * @pdev_name: name of the platform_device driver to use
  * @pdev_id: this platform_device's connection ID
@@ -447,9 +660,6 @@ struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
         int ret = -ENOMEM;
         struct platform_device *pdev;
         struct omap_device *od;
-        struct resource *res = NULL;
-        int i, res_count;
-        struct omap_hwmod **hwmods;
 
         if (!ohs || oh_cnt == 0 || !pdev_name)
                 return ERR_PTR(-EINVAL);
@@ -463,67 +673,31 @@ struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
                 goto odbs_exit;
         }
 
-        pr_debug("omap_device: %s: building with %d hwmods\n", pdev_name,
-                 oh_cnt);
+        /* Set the dev_name early to allow dev_xxx in omap_device_alloc */
+        if (pdev->id != -1)
+                dev_set_name(&pdev->dev, "%s.%d", pdev->name,  pdev->id);
+        else
+                dev_set_name(&pdev->dev, "%s", pdev->name);
 
-        od = kzalloc(sizeof(struct omap_device), GFP_KERNEL);
-        if (!od) {
-                ret = -ENOMEM;
+        od = omap_device_alloc(pdev, ohs, oh_cnt, pm_lats, pm_lats_cnt);
+        if (!od)
                 goto odbs_exit1;
-        }
-        od->hwmods_cnt = oh_cnt;
-
-        hwmods = kzalloc(sizeof(struct omap_hwmod *) * oh_cnt,
-                         GFP_KERNEL);
-        if (!hwmods)
-                goto odbs_exit2;
-
-        memcpy(hwmods, ohs, sizeof(struct omap_hwmod *) * oh_cnt);
-        od->hwmods = hwmods;
-        od->pdev = pdev;
-
-        res_count = omap_device_count_resources(od);
-        if (res_count > 0) {
-                res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL);
-                if (!res)
-                        goto odbs_exit3;
-
-                omap_device_fill_resources(od, res);
-
-                ret = platform_device_add_resources(pdev, res, res_count);
-                kfree(res);
-
-                if (ret)
-                        goto odbs_exit3;
-        }
 
         ret = platform_device_add_data(pdev, pdata, pdata_len);
         if (ret)
-                goto odbs_exit3;
-
-        pdev->archdata.od = od;
+                goto odbs_exit2;
 
         if (is_early_device)
                 ret = omap_early_device_register(pdev);
         else
                 ret = omap_device_register(pdev);
         if (ret)
-                goto odbs_exit3;
-
-        od->pm_lats = pm_lats;
-        od->pm_lats_cnt = pm_lats_cnt;
-
-        for (i = 0; i < oh_cnt; i++) {
-                hwmods[i]->od = od;
-                _add_hwmod_clocks_clkdev(od, hwmods[i]);
-        }
+                goto odbs_exit2;
 
         return pdev;
 
-odbs_exit3:
-        kfree(hwmods);
 odbs_exit2:
-        kfree(od);
+        omap_device_delete(od);
 odbs_exit1:
         platform_device_put(pdev);
 odbs_exit:
@@ -844,6 +1018,42 @@ void __iomem *omap_device_get_rt_va(struct omap_device *od)
         return omap_hwmod_get_mpu_rt_va(od->hwmods[0]);
 }
 
+/**
+ * omap_device_get_by_hwmod_name() - convert a hwmod name to
+ * device pointer.
+ * @oh_name: name of the hwmod device
+ *
+ * Returns back a struct device * pointer associated with a hwmod
+ * device represented by a hwmod_name
+ */
+struct device *omap_device_get_by_hwmod_name(const char *oh_name)
+{
+        struct omap_hwmod *oh;
+
+        if (!oh_name) {
+                WARN(1, "%s: no hwmod name!\n", __func__);
+                return ERR_PTR(-EINVAL);
+        }
+
+        oh = omap_hwmod_lookup(oh_name);
+        if (IS_ERR_OR_NULL(oh)) {
+                WARN(1, "%s: no hwmod for %s\n", __func__,
+                        oh_name);
+                return ERR_PTR(oh ? PTR_ERR(oh) : -ENODEV);
+        }
+        if (IS_ERR_OR_NULL(oh->od)) {
+                WARN(1, "%s: no omap_device for %s\n", __func__,
+                        oh_name);
+                return ERR_PTR(oh->od ? PTR_ERR(oh->od) : -ENODEV);
+        }
+
+        if (IS_ERR_OR_NULL(oh->od->pdev))
+                return ERR_PTR(oh->od->pdev ? PTR_ERR(oh->od->pdev) : -ENODEV);
+
+        return &oh->od->pdev->dev;
+}
+EXPORT_SYMBOL(omap_device_get_by_hwmod_name);
+
 /*
  * Public functions intended for use in omap_device_pm_latency
  * .activate_func and .deactivate_func function pointers
@@ -924,8 +1134,13 @@ struct device omap_device_parent = {
         .parent         = &platform_bus,
 };
 
+static struct notifier_block platform_nb = {
+        .notifier_call = _omap_device_notifier_call,
+};
+
 static int __init omap_device_init(void)
 {
+        bus_register_notifier(&platform_bus_type, &platform_nb);
         return device_register(&omap_device_parent);
 }
 core_initcall(omap_device_init);
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 363c91e44efb..8b28664d1c62 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/omapfb.h>
 
 #include <asm/tlb.h>
 #include <asm/cacheflush.h>
@@ -29,10 +28,8 @@
 #include <plat/sram.h>
 #include <plat/board.h>
 #include <plat/cpu.h>
-#include <plat/vram.h>
 
 #include "sram.h"
-#include "fb.h"
 
 /* XXX These "sideways" includes are a sign that something is wrong */
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
@@ -41,16 +38,9 @@
 #endif
 
 #define OMAP1_SRAM_PA           0x20000000
-#define OMAP1_SRAM_VA           VMALLOC_END
 #define OMAP2_SRAM_PUB_PA       (OMAP2_SRAM_PA + 0xf800)
-#define OMAP2_SRAM_VA           0xfe400000
-#define OMAP2_SRAM_PUB_VA       (OMAP2_SRAM_VA + 0x800)
-#define OMAP3_SRAM_VA           0xfe400000
 #define OMAP3_SRAM_PUB_PA       (OMAP3_SRAM_PA + 0x8000)
-#define OMAP3_SRAM_PUB_VA       (OMAP3_SRAM_VA + 0x8000)
-#define OMAP4_SRAM_VA           0xfe400000
 #define OMAP4_SRAM_PUB_PA       (OMAP4_SRAM_PA + 0x4000)
-#define OMAP4_SRAM_PUB_VA       (OMAP4_SRAM_VA + 0x4000)
 
 #if defined(CONFIG_ARCH_OMAP2PLUS)
 #define SRAM_BOOTLOADER_SZ      0x00
@@ -73,9 +63,9 @@
 #define ROUND_DOWN(value,boundary)      ((value) & (~((boundary)-1)))
 
 static unsigned long omap_sram_start;
-static unsigned long omap_sram_base;
+static void __iomem *omap_sram_base;
 static unsigned long omap_sram_size;
-static unsigned long omap_sram_ceil;
+static void __iomem *omap_sram_ceil;
 
 /*
  * Depending on the target RAMFS firewall setup, the public usable amount of
@@ -112,12 +102,9 @@ static int is_sram_locked(void)
  */
 static void __init omap_detect_sram(void)
 {
-        unsigned long reserved;
-
         if (cpu_class_is_omap2()) {
                 if (is_sram_locked()) {
                         if (cpu_is_omap34xx()) {
-                                omap_sram_base = OMAP3_SRAM_PUB_VA;
                                 omap_sram_start = OMAP3_SRAM_PUB_PA;
                                 if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
                                     (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
@@ -126,25 +113,20 @@ static void __init omap_detect_sram(void)
                                         omap_sram_size = 0x8000; /* 32K */
                                 }
                         } else if (cpu_is_omap44xx()) {
-                                omap_sram_base = OMAP4_SRAM_PUB_VA;
                                 omap_sram_start = OMAP4_SRAM_PUB_PA;
                                 omap_sram_size = 0xa000; /* 40K */
                         } else {
-                                omap_sram_base = OMAP2_SRAM_PUB_VA;
                                 omap_sram_start = OMAP2_SRAM_PUB_PA;
                                 omap_sram_size = 0x800; /* 2K */
                         }
                 } else {
                         if (cpu_is_omap34xx()) {
-                                omap_sram_base = OMAP3_SRAM_VA;
                                 omap_sram_start = OMAP3_SRAM_PA;
                                 omap_sram_size = 0x10000; /* 64K */
                         } else if (cpu_is_omap44xx()) {
-                                omap_sram_base = OMAP4_SRAM_VA;
                                 omap_sram_start = OMAP4_SRAM_PA;
                                 omap_sram_size = 0xe000; /* 56K */
                         } else {
-                                omap_sram_base = OMAP2_SRAM_VA;
                                 omap_sram_start = OMAP2_SRAM_PA;
                                 if (cpu_is_omap242x())
                                         omap_sram_size = 0xa0000; /* 640K */
@@ -153,7 +135,6 @@ static void __init omap_detect_sram(void)
                         }
                 }
         } else {
-                omap_sram_base = OMAP1_SRAM_VA;
                 omap_sram_start = OMAP1_SRAM_PA;
 
                 if (cpu_is_omap7xx())
@@ -170,35 +151,14 @@ static void __init omap_detect_sram(void)
                         omap_sram_size = 0x4000;
                 }
         }
-        reserved = omapfb_reserve_sram(omap_sram_start, omap_sram_base,
-                                       omap_sram_size,
-                                       omap_sram_start + SRAM_BOOTLOADER_SZ,
-                                       omap_sram_size - SRAM_BOOTLOADER_SZ);
-        omap_sram_size -= reserved;
-
-        reserved = omap_vram_reserve_sram(omap_sram_start, omap_sram_base,
-                        omap_sram_size,
-                        omap_sram_start + SRAM_BOOTLOADER_SZ,
-                        omap_sram_size - SRAM_BOOTLOADER_SZ);
-        omap_sram_size -= reserved;
-
-        omap_sram_ceil = omap_sram_base + omap_sram_size;
 }
 
-static struct map_desc omap_sram_io_desc[] __initdata = {
-        {       /* .length gets filled in at runtime */
-                .virtual        = OMAP1_SRAM_VA,
-                .pfn            = __phys_to_pfn(OMAP1_SRAM_PA),
-                .type           = MT_MEMORY
-        }
-};
-
 /*
  * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
  */
 static void __init omap_map_sram(void)
 {
-        unsigned long base;
+        int cached = 1;
 
         if (omap_sram_size == 0)
                 return;
@@ -211,28 +171,18 @@ static void __init omap_map_sram(void)
                  * the ARM may attempt to write cache lines back to SDRAM
                  * which will cause the system to hang.
                  */
-                omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED;
+                cached = 0;
         }
 
-        omap_sram_io_desc[0].virtual = omap_sram_base;
-        base = omap_sram_start;
-        base = ROUND_DOWN(base, PAGE_SIZE);
-        omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
-        omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE);
-        iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
-
-        pr_info("SRAM: Mapped pa 0x%08llx to va 0x%08lx size: 0x%lx\n",
-                (long long) __pfn_to_phys(omap_sram_io_desc[0].pfn),
-                omap_sram_io_desc[0].virtual,
-                omap_sram_io_desc[0].length);
+        omap_sram_start = ROUND_DOWN(omap_sram_start, PAGE_SIZE);
+        omap_sram_base = __arm_ioremap_exec(omap_sram_start, omap_sram_size,
+                                                cached);
+        if (!omap_sram_base) {
+                pr_err("SRAM: Could not map\n");
+                return;
+        }
 
-        /*
-         * Normally devicemaps_init() would flush caches and tlb after
-         * mdesc->map_io(), but since we're called from map_io(), we
-         * must do it here.
-         */
-        local_flush_tlb_all();
-        flush_cache_all();
+        omap_sram_ceil = omap_sram_base + omap_sram_size;
 
         /*
          * Looks like we need to preserve some bootloader code at the
@@ -251,13 +201,18 @@ static void __init omap_map_sram(void)
  */
 void *omap_sram_push_address(unsigned long size)
 {
-        if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) {
+        unsigned long available, new_ceil = (unsigned long)omap_sram_ceil;
+
+        available = omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ);
+
+        if (size > available) {
                 pr_err("Not enough space in SRAM\n");
                 return NULL;
         }
 
-        omap_sram_ceil -= size;
-        omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, FNCPY_ALIGN);
+        new_ceil -= size;
+        new_ceil = ROUND_DOWN(new_ceil, FNCPY_ALIGN);
+        omap_sram_ceil = IOMEM(new_ceil);
 
         return (void *)omap_sram_ceil;
 }