1 files changed, 92 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c
new file mode 100644
index 000000000000..911cd2e68d46
--- /dev/null
+++ b/arch/arm/mach-omap2/dsp.c
@@ -0,0 +1,92 @@
+/*
+ * TI's OMAP DSP platform device registration
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.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.
+ */
+
+/*
+ * XXX The function pointers to the PRM/CM functions are incorrect and
+ * should be removed.  No device driver should be changing PRM/CM bits
+ * directly; that's a layering violation -- those bits are the responsibility
+ * of the OMAP PM core code.
+ */
+
+#include <linux/platform_device.h>
+#include "cm2xxx_3xxx.h"
+#include "prm2xxx_3xxx.h"
+#ifdef CONFIG_BRIDGE_DVFS
+#include <plat/omap-pm.h>
+#endif
+
+#include <plat/dsp.h>
+
+extern phys_addr_t omap_dsp_get_mempool_base(void);
+
+static struct platform_device *omap_dsp_pdev;
+
+static struct omap_dsp_platform_data omap_dsp_pdata __initdata = {
+#ifdef CONFIG_BRIDGE_DVFS
+        .dsp_set_min_opp = omap_pm_dsp_set_min_opp,
+        .dsp_get_opp = omap_pm_dsp_get_opp,
+        .cpu_set_freq = omap_pm_cpu_set_freq,
+        .cpu_get_freq = omap_pm_cpu_get_freq,
+#endif
+        .dsp_prm_read = omap2_prm_read_mod_reg,
+        .dsp_prm_write = omap2_prm_write_mod_reg,
+        .dsp_prm_rmw_bits = omap2_prm_rmw_mod_reg_bits,
+        .dsp_cm_read = omap2_cm_read_mod_reg,
+        .dsp_cm_write = omap2_cm_write_mod_reg,
+        .dsp_cm_rmw_bits = omap2_cm_rmw_mod_reg_bits,
+};
+
+static int __init omap_dsp_init(void)
+{
+        struct platform_device *pdev;
+        int err = -ENOMEM;
+        struct omap_dsp_platform_data *pdata = &omap_dsp_pdata;
+
+        pdata->phys_mempool_base = omap_dsp_get_mempool_base();
+
+        if (pdata->phys_mempool_base) {
+                pdata->phys_mempool_size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
+                pr_info("%s: %x bytes @ %x\n", __func__,
+                        pdata->phys_mempool_size, pdata->phys_mempool_base);
+        }
+
+        pdev = platform_device_alloc("omap-dsp", -1);
+        if (!pdev)
+                goto err_out;
+
+        err = platform_device_add_data(pdev, pdata, sizeof(*pdata));
+        if (err)
+                goto err_out;
+
+        err = platform_device_add(pdev);
+        if (err)
+                goto err_out;
+
+        omap_dsp_pdev = pdev;
+        return 0;
+
+err_out:
+        platform_device_put(pdev);
+        return err;
+}
+module_init(omap_dsp_init);
+
+static void __exit omap_dsp_exit(void)
+{
+        platform_device_unregister(omap_dsp_pdev);
+}
+module_exit(omap_dsp_exit);
+
+MODULE_AUTHOR("Hiroshi DOYU");
+MODULE_DESCRIPTION("TI's OMAP DSP platform device registration");
+MODULE_LICENSE("GPL");