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authorGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 20:44:56 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 20:44:56 +0400
commite4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch)
treeea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /drivers/staging/tidspbridge
parent81280572ca6f54009edfa4deee563e8678784218 (diff)
parenta4ac0d847af9dd34d5953a5e264400326144b6b2 (diff)
downloadlinux-e4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7.tar.xz
Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/tidspbridge')
-rw-r--r--drivers/staging/tidspbridge/Kconfig1
-rw-r--r--drivers/staging/tidspbridge/Makefile13
-rw-r--r--drivers/staging/tidspbridge/TODO1
-rw-r--r--drivers/staging/tidspbridge/core/_deh.h5
-rw-r--r--drivers/staging/tidspbridge/core/_tiomap.h19
-rw-r--r--drivers/staging/tidspbridge/core/chnl_sm.c1
-rw-r--r--drivers/staging/tidspbridge/core/dsp-clock.c1
-rw-r--r--drivers/staging/tidspbridge/core/dsp-mmu.c317
-rw-r--r--drivers/staging/tidspbridge/core/io_sm.c181
-rw-r--r--drivers/staging/tidspbridge/core/sync.c (renamed from drivers/staging/tidspbridge/services/sync.c)17
-rw-r--r--drivers/staging/tidspbridge/core/tiomap3430.c1088
-rw-r--r--drivers/staging/tidspbridge/core/tiomap3430_pwr.c22
-rw-r--r--drivers/staging/tidspbridge/core/tiomap_io.c22
-rw-r--r--drivers/staging/tidspbridge/core/ue_deh.c115
-rw-r--r--drivers/staging/tidspbridge/gen/gb.c1
-rw-r--r--drivers/staging/tidspbridge/gen/gs.c1
-rw-r--r--drivers/staging/tidspbridge/hw/EasiGlobal.h41
-rw-r--r--drivers/staging/tidspbridge/hw/MMUAccInt.h76
-rw-r--r--drivers/staging/tidspbridge/hw/MMURegAcM.h225
-rw-r--r--drivers/staging/tidspbridge/hw/hw_defs.h58
-rw-r--r--drivers/staging/tidspbridge/hw/hw_mmu.c562
-rw-r--r--drivers/staging/tidspbridge/hw/hw_mmu.h163
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/cfg.h222
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h1
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/cmm.h19
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dev.h24
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dmm.h75
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/drv.h12
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h67
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dspdefs.h44
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dspioctl.h7
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/host_os.h19
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/mgr.h2
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/proc.h46
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/services.h50
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/wdt.h2
-rw-r--r--drivers/staging/tidspbridge/pmgr/chnl.c1
-rw-r--r--drivers/staging/tidspbridge/pmgr/cmm.c18
-rw-r--r--drivers/staging/tidspbridge/pmgr/dbll.c2
-rw-r--r--drivers/staging/tidspbridge/pmgr/dev.c132
-rw-r--r--drivers/staging/tidspbridge/pmgr/dmm.c533
-rw-r--r--drivers/staging/tidspbridge/pmgr/dspapi.c62
-rw-r--r--drivers/staging/tidspbridge/pmgr/io.c3
-rw-r--r--drivers/staging/tidspbridge/rmgr/dbdcd.c8
-rw-r--r--drivers/staging/tidspbridge/rmgr/drv.c74
-rw-r--r--drivers/staging/tidspbridge/rmgr/drv_interface.c29
-rw-r--r--drivers/staging/tidspbridge/rmgr/dspdrv.c12
-rw-r--r--drivers/staging/tidspbridge/rmgr/mgr.c52
-rw-r--r--drivers/staging/tidspbridge/rmgr/nldr.c17
-rw-r--r--drivers/staging/tidspbridge/rmgr/node.c58
-rw-r--r--drivers/staging/tidspbridge/rmgr/proc.c245
-rw-r--r--drivers/staging/tidspbridge/rmgr/strm.c12
-rw-r--r--drivers/staging/tidspbridge/services/cfg.c253
-rw-r--r--drivers/staging/tidspbridge/services/ntfy.c31
-rw-r--r--drivers/staging/tidspbridge/services/services.c70
55 files changed, 840 insertions, 4292 deletions
diff --git a/drivers/staging/tidspbridge/Kconfig b/drivers/staging/tidspbridge/Kconfig
index 93de4f2e8bf8..ff64d464143c 100644
--- a/drivers/staging/tidspbridge/Kconfig
+++ b/drivers/staging/tidspbridge/Kconfig
@@ -6,6 +6,7 @@ menuconfig TIDSPBRIDGE
tristate "DSP Bridge driver"
depends on ARCH_OMAP3
select OMAP_MBOX_FWK
+ select OMAP_IOMMU
help
DSP/BIOS Bridge is designed for platforms that contain a GPP and
one or more attached DSPs. The GPP is considered the master or
diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile
index 65671724e6f9..50decc2935c5 100644
--- a/drivers/staging/tidspbridge/Makefile
+++ b/drivers/staging/tidspbridge/Makefile
@@ -1,22 +1,19 @@
obj-$(CONFIG_TIDSPBRIDGE) += bridgedriver.o
libgen = gen/gb.o gen/gs.o gen/gh.o gen/uuidutil.o
-libservices = services/sync.o services/cfg.o \
- services/ntfy.o services/services.o
libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \
- core/tiomap3430_pwr.o core/tiomap_io.o \
- core/ue_deh.o core/wdt.o core/dsp-clock.o
+ core/tiomap3430_pwr.o core/tiomap_io.o core/dsp-mmu.o \
+ core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o
libpmgr = pmgr/chnl.o pmgr/io.o pmgr/msg.o pmgr/cod.o pmgr/dev.o pmgr/dspapi.o \
- pmgr/dmm.o pmgr/cmm.o pmgr/dbll.o
+ pmgr/cmm.o pmgr/dbll.o
librmgr = rmgr/dbdcd.o rmgr/disp.o rmgr/drv.o rmgr/mgr.o rmgr/node.o \
rmgr/proc.o rmgr/pwr.o rmgr/rmm.o rmgr/strm.o rmgr/dspdrv.o \
rmgr/nldr.o rmgr/drv_interface.o
libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \
dynload/tramp.o
-libhw = hw/hw_mmu.o
-bridgedriver-objs = $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \
- $(libdload) $(libhw)
+bridgedriver-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \
+ $(libdload)
#Machine dependent
ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \
diff --git a/drivers/staging/tidspbridge/TODO b/drivers/staging/tidspbridge/TODO
index 54f4a296738d..187363f2bdc8 100644
--- a/drivers/staging/tidspbridge/TODO
+++ b/drivers/staging/tidspbridge/TODO
@@ -13,6 +13,7 @@
* Audit and clean up header files folder
* Use kernel coding style
* checkpatch.pl fixes
+* allocate ext_mem_pool from consistent memory instead of using ioremap
Please send any patches to Greg Kroah-Hartman <greg@kroah.com>
and Omar Ramirez Luna <omar.ramirez@ti.com>.
diff --git a/drivers/staging/tidspbridge/core/_deh.h b/drivers/staging/tidspbridge/core/_deh.h
index 16723cd34831..8ae263387a87 100644
--- a/drivers/staging/tidspbridge/core/_deh.h
+++ b/drivers/staging/tidspbridge/core/_deh.h
@@ -27,9 +27,8 @@
struct deh_mgr {
struct bridge_dev_context *hbridge_context; /* Bridge context. */
struct ntfy_object *ntfy_obj; /* NTFY object */
-
- /* MMU Fault DPC */
- struct tasklet_struct dpc_tasklet;
};
+int mmu_fault_isr(struct iommu *mmu);
+
#endif /* _DEH_ */
diff --git a/drivers/staging/tidspbridge/core/_tiomap.h b/drivers/staging/tidspbridge/core/_tiomap.h
index 1c1f157e167a..e0a801c1cb98 100644
--- a/drivers/staging/tidspbridge/core/_tiomap.h
+++ b/drivers/staging/tidspbridge/core/_tiomap.h
@@ -23,8 +23,8 @@
#include <plat/clockdomain.h>
#include <mach-omap2/prm-regbits-34xx.h>
#include <mach-omap2/cm-regbits-34xx.h>
+#include <dspbridge/dsp-mmu.h>
#include <dspbridge/devdefs.h>
-#include <hw_defs.h>
#include <dspbridge/dspioctl.h> /* for bridge_ioctl_extproc defn */
#include <dspbridge/sync.h>
#include <dspbridge/clk.h>
@@ -306,6 +306,18 @@ static const struct bpwr_clk_t bpwr_clks[] = {
#define CLEAR_BIT_INDEX(reg, index) (reg &= ~(1 << (index)))
+struct shm_segs {
+ u32 seg0_da;
+ u32 seg0_pa;
+ u32 seg0_va;
+ u32 seg0_size;
+ u32 seg1_da;
+ u32 seg1_pa;
+ u32 seg1_va;
+ u32 seg1_size;
+};
+
+
/* This Bridge driver's device context: */
struct bridge_dev_context {
struct dev_object *hdev_obj; /* Handle to Bridge device object. */
@@ -316,7 +328,6 @@ struct bridge_dev_context {
*/
u32 dw_dsp_ext_base_addr; /* See the comment above */
u32 dw_api_reg_base; /* API mem map'd registers */
- void __iomem *dw_dsp_mmu_base; /* DSP MMU Mapped registers */
u32 dw_api_clk_base; /* CLK Registers */
u32 dw_dsp_clk_m2_base; /* DSP Clock Module m2 */
u32 dw_public_rhea; /* Pub Rhea */
@@ -328,7 +339,8 @@ struct bridge_dev_context {
u32 dw_internal_size; /* Internal memory size */
struct omap_mbox *mbox; /* Mail box handle */
-
+ struct iommu *dsp_mmu; /* iommu for iva2 handler */
+ struct shm_segs sh_s;
struct cfg_hostres *resources; /* Host Resources */
/*
@@ -341,7 +353,6 @@ struct bridge_dev_context {
/* TC Settings */
bool tc_word_swap_on; /* Traffic Controller Word Swap */
- struct pg_table_attrs *pt_attrs;
u32 dsp_per_clks;
};
diff --git a/drivers/staging/tidspbridge/core/chnl_sm.c b/drivers/staging/tidspbridge/core/chnl_sm.c
index bee2b23a09a1..662a5b5a58e3 100644
--- a/drivers/staging/tidspbridge/core/chnl_sm.c
+++ b/drivers/staging/tidspbridge/core/chnl_sm.c
@@ -54,7 +54,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/sync.h>
/* ----------------------------------- Bridge Driver */
diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c
index 5b1a0c5bb143..46d17c777b88 100644
--- a/drivers/staging/tidspbridge/core/dsp-clock.c
+++ b/drivers/staging/tidspbridge/core/dsp-clock.c
@@ -25,7 +25,6 @@
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
-#include <dspbridge/cfg.h>
#include <dspbridge/drv.h>
#include <dspbridge/dev.h>
#include "_tiomap.h"
diff --git a/drivers/staging/tidspbridge/core/dsp-mmu.c b/drivers/staging/tidspbridge/core/dsp-mmu.c
new file mode 100644
index 000000000000..983c95adc8ff
--- /dev/null
+++ b/drivers/staging/tidspbridge/core/dsp-mmu.c
@@ -0,0 +1,317 @@
+/*
+ * dsp-mmu.c
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * DSP iommu.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ *
+ * This package 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.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <dspbridge/host_os.h>
+#include <plat/dmtimer.h>
+#include <dspbridge/dbdefs.h>
+#include <dspbridge/dev.h>
+#include <dspbridge/io_sm.h>
+#include <dspbridge/dspdeh.h>
+#include "_tiomap.h"
+
+#include <dspbridge/dsp-mmu.h>
+
+#define MMU_CNTL_TWL_EN (1 << 2)
+
+static struct tasklet_struct mmu_tasklet;
+
+#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
+static void mmu_fault_print_stack(struct bridge_dev_context *dev_context)
+{
+ void *dummy_addr;
+ u32 fa, tmp;
+ struct iotlb_entry e;
+ struct iommu *mmu = dev_context->dsp_mmu;
+ dummy_addr = (void *)__get_free_page(GFP_ATOMIC);
+
+ /*
+ * Before acking the MMU fault, let's make sure MMU can only
+ * access entry #0. Then add a new entry so that the DSP OS
+ * can continue in order to dump the stack.
+ */
+ tmp = iommu_read_reg(mmu, MMU_CNTL);
+ tmp &= ~MMU_CNTL_TWL_EN;
+ iommu_write_reg(mmu, tmp, MMU_CNTL);
+ fa = iommu_read_reg(mmu, MMU_FAULT_AD);
+ e.da = fa & PAGE_MASK;
+ e.pa = virt_to_phys(dummy_addr);
+ e.valid = 1;
+ e.prsvd = 1;
+ e.pgsz = IOVMF_PGSZ_4K & MMU_CAM_PGSZ_MASK;
+ e.endian = MMU_RAM_ENDIAN_LITTLE;
+ e.elsz = MMU_RAM_ELSZ_32;
+ e.mixed = 0;
+
+ load_iotlb_entry(mmu, &e);
+
+ dsp_clk_enable(DSP_CLK_GPT8);
+
+ dsp_gpt_wait_overflow(DSP_CLK_GPT8, 0xfffffffe);
+
+ /* Clear MMU interrupt */
+ tmp = iommu_read_reg(mmu, MMU_IRQSTATUS);
+ iommu_write_reg(mmu, tmp, MMU_IRQSTATUS);
+
+ dump_dsp_stack(dev_context);
+ dsp_clk_disable(DSP_CLK_GPT8);
+
+ iopgtable_clear_entry(mmu, fa);
+ free_page((unsigned long)dummy_addr);
+}
+#endif
+
+
+static void fault_tasklet(unsigned long data)
+{
+ struct iommu *mmu = (struct iommu *)data;
+ struct bridge_dev_context *dev_ctx;
+ struct deh_mgr *dm;
+ u32 fa;
+ dev_get_deh_mgr(dev_get_first(), &dm);
+ dev_get_bridge_context(dev_get_first(), &dev_ctx);
+
+ if (!dm || !dev_ctx)
+ return;
+
+ fa = iommu_read_reg(mmu, MMU_FAULT_AD);
+
+#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
+ print_dsp_trace_buffer(dev_ctx);
+ dump_dl_modules(dev_ctx);
+ mmu_fault_print_stack(dev_ctx);
+#endif
+
+ bridge_deh_notify(dm, DSP_MMUFAULT, fa);
+}
+
+/*
+ * ======== mmu_fault_isr ========
+ * ISR to be triggered by a DSP MMU fault interrupt.
+ */
+static int mmu_fault_callback(struct iommu *mmu)
+{
+ if (!mmu)
+ return -EPERM;
+
+ iommu_write_reg(mmu, 0, MMU_IRQENABLE);
+ tasklet_schedule(&mmu_tasklet);
+ return 0;
+}
+
+/**
+ * dsp_mmu_init() - initialize dsp_mmu module and returns a handle
+ *
+ * This function initialize dsp mmu module and returns a struct iommu
+ * handle to use it for dsp maps.
+ *
+ */
+struct iommu *dsp_mmu_init()
+{
+ struct iommu *mmu;
+
+ mmu = iommu_get("iva2");
+
+ if (!IS_ERR(mmu)) {
+ tasklet_init(&mmu_tasklet, fault_tasklet, (unsigned long)mmu);
+ mmu->isr = mmu_fault_callback;
+ }
+
+ return mmu;
+}
+
+/**
+ * dsp_mmu_exit() - destroy dsp mmu module
+ * @mmu: Pointer to iommu handle.
+ *
+ * This function destroys dsp mmu module.
+ *
+ */
+void dsp_mmu_exit(struct iommu *mmu)
+{
+ if (mmu)
+ iommu_put(mmu);
+ tasklet_kill(&mmu_tasklet);
+}
+
+/**
+ * user_va2_pa() - get physical address from userspace address.
+ * @mm: mm_struct Pointer of the process.
+ * @address: Virtual user space address.
+ *
+ */
+static u32 user_va2_pa(struct mm_struct *mm, u32 address)
+{
+ pgd_t *pgd;
+ pmd_t *pmd;
+ pte_t *ptep, pte;
+
+ pgd = pgd_offset(mm, address);
+ if (!(pgd_none(*pgd) || pgd_bad(*pgd))) {
+ pmd = pmd_offset(pgd, address);
+ if (!(pmd_none(*pmd) || pmd_bad(*pmd))) {
+ ptep = pte_offset_map(pmd, address);
+ if (ptep) {
+ pte = *ptep;
+ if (pte_present(pte))
+ return pte & PAGE_MASK;
+ }
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * get_io_pages() - pin and get pages of io user's buffer.
+ * @mm: mm_struct Pointer of the process.
+ * @uva: Virtual user space address.
+ * @pages Pages to be pined.
+ * @usr_pgs struct page array pointer where the user pages will be stored
+ *
+ */
+static int get_io_pages(struct mm_struct *mm, u32 uva, unsigned pages,
+ struct page **usr_pgs)
+{
+ u32 pa;
+ int i;
+ struct page *pg;
+
+ for (i = 0; i < pages; i++) {
+ pa = user_va2_pa(mm, uva);
+
+ if (!pfn_valid(__phys_to_pfn(pa)))
+ break;
+
+ pg = phys_to_page(pa);
+ usr_pgs[i] = pg;
+ get_page(pg);
+ }
+ return i;
+}
+
+/**
+ * user_to_dsp_map() - maps user to dsp virtual address
+ * @mmu: Pointer to iommu handle.
+ * @uva: Virtual user space address.
+ * @da DSP address
+ * @size Buffer size to map.
+ * @usr_pgs struct page array pointer where the user pages will be stored
+ *
+ * This function maps a user space buffer into DSP virtual address.
+ *
+ */
+u32 user_to_dsp_map(struct iommu *mmu, u32 uva, u32 da, u32 size,
+ struct page **usr_pgs)
+{
+ int res, w;
+ unsigned pages;
+ int i;
+ struct vm_area_struct *vma;
+ struct mm_struct *mm = current->mm;
+ struct sg_table *sgt;
+ struct scatterlist *sg;
+
+ if (!size || !usr_pgs)
+ return -EINVAL;
+
+ pages = size / PG_SIZE4K;
+
+ down_read(&mm->mmap_sem);
+ vma = find_vma(mm, uva);
+ while (vma && (uva + size > vma->vm_end))
+ vma = find_vma(mm, vma->vm_end + 1);
+
+ if (!vma) {
+ pr_err("%s: Failed to get VMA region for 0x%x (%d)\n",
+ __func__, uva, size);
+ up_read(&mm->mmap_sem);
+ return -EINVAL;
+ }
+ if (vma->vm_flags & (VM_WRITE | VM_MAYWRITE))
+ w = 1;
+
+ if (vma->vm_flags & VM_IO)
+ i = get_io_pages(mm, uva, pages, usr_pgs);
+ else
+ i = get_user_pages(current, mm, uva, pages, w, 1,
+ usr_pgs, NULL);
+ up_read(&mm->mmap_sem);
+
+ if (i < 0)
+ return i;
+
+ if (i < pages) {
+ res = -EFAULT;
+ goto err_pages;
+ }
+
+ sgt = kzalloc(sizeof(*sgt), GFP_KERNEL);
+ if (!sgt) {
+ res = -ENOMEM;
+ goto err_pages;
+ }
+
+ res = sg_alloc_table(sgt, pages, GFP_KERNEL);
+
+ if (res < 0)
+ goto err_sg;
+
+ for_each_sg(sgt->sgl, sg, sgt->nents, i)
+ sg_set_page(sg, usr_pgs[i], PAGE_SIZE, 0);
+
+ da = iommu_vmap(mmu, da, sgt, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32);
+
+ if (!IS_ERR_VALUE(da))
+ return da;
+ res = (int)da;
+
+ sg_free_table(sgt);
+err_sg:
+ kfree(sgt);
+ i = pages;
+err_pages:
+ while (i--)
+ put_page(usr_pgs[i]);
+ return res;
+}
+
+/**
+ * user_to_dsp_unmap() - unmaps DSP virtual buffer.
+ * @mmu: Pointer to iommu handle.
+ * @da DSP address
+ *
+ * This function unmaps a user space buffer into DSP virtual address.
+ *
+ */
+int user_to_dsp_unmap(struct iommu *mmu, u32 da)
+{
+ unsigned i;
+ struct sg_table *sgt;
+ struct scatterlist *sg;
+
+ sgt = iommu_vunmap(mmu, da);
+ if (!sgt)
+ return -EFAULT;
+
+ for_each_sg(sgt->sgl, sg, sgt->nents, i)
+ put_page(sg_page(sg));
+ sg_free_table(sgt);
+ kfree(sgt);
+
+ return 0;
+}
diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c
index 02c660dbcf68..194badaba0ed 100644
--- a/drivers/staging/tidspbridge/core/io_sm.c
+++ b/drivers/staging/tidspbridge/core/io_sm.c
@@ -36,14 +36,9 @@
#include <dspbridge/dbc.h>
/* Services Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/ntfy.h>
#include <dspbridge/sync.h>
-/* Hardware Abstraction Layer */
-#include <hw_defs.h>
-#include <hw_mmu.h>
-
/* Bridge Driver */
#include <dspbridge/dspdeh.h>
#include <dspbridge/dspio.h>
@@ -292,6 +287,7 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
struct cod_manager *cod_man;
struct chnl_mgr *hchnl_mgr;
struct msg_mgr *hmsg_mgr;
+ struct shm_segs *sm_sg;
u32 ul_shm_base;
u32 ul_shm_base_offset;
u32 ul_shm_limit;
@@ -314,18 +310,9 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
struct bridge_ioctl_extproc ae_proc[BRDIOCTL_NUMOFMMUTLB];
struct cfg_hostres *host_res;
struct bridge_dev_context *pbridge_context;
- u32 map_attrs;
u32 shm0_end;
u32 ul_dyn_ext_base;
u32 ul_seg1_size = 0;
- u32 pa_curr = 0;
- u32 va_curr = 0;
- u32 gpp_va_curr = 0;
- u32 num_bytes = 0;
- u32 all_bits = 0;
- u32 page_size[] = { HW_PAGE_SIZE16MB, HW_PAGE_SIZE1MB,
- HW_PAGE_SIZE64KB, HW_PAGE_SIZE4KB
- };
status = dev_get_bridge_context(hio_mgr->hdev_obj, &pbridge_context);
if (!pbridge_context) {
@@ -338,6 +325,8 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
status = -EFAULT;
goto func_end;
}
+ sm_sg = &pbridge_context->sh_s;
+
status = dev_get_cod_mgr(hio_mgr->hdev_obj, &cod_man);
if (!cod_man) {
status = -EFAULT;
@@ -472,129 +461,14 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
if (status)
goto func_end;
- pa_curr = ul_gpp_pa;
- va_curr = ul_dyn_ext_base * hio_mgr->word_size;
- gpp_va_curr = ul_gpp_va;
- num_bytes = ul_seg1_size;
-
- /*
- * Try to fit into TLB entries. If not possible, push them to page
- * tables. It is quite possible that if sections are not on
- * bigger page boundary, we may end up making several small pages.
- * So, push them onto page tables, if that is the case.
- */
- map_attrs = 0x00000000;
- map_attrs = DSP_MAPLITTLEENDIAN;
- map_attrs |= DSP_MAPPHYSICALADDR;
- map_attrs |= DSP_MAPELEMSIZE32;
- map_attrs |= DSP_MAPDONOTLOCK;
-
- while (num_bytes) {
- /*
- * To find the max. page size with which both PA & VA are
- * aligned.
- */
- all_bits = pa_curr | va_curr;
- dev_dbg(bridge, "all_bits %x, pa_curr %x, va_curr %x, "
- "num_bytes %x\n", all_bits, pa_curr, va_curr,
- num_bytes);
- for (i = 0; i < 4; i++) {
- if ((num_bytes >= page_size[i]) && ((all_bits &
- (page_size[i] -
- 1)) == 0)) {
- status =
- hio_mgr->intf_fxns->
- pfn_brd_mem_map(hio_mgr->hbridge_context,
- pa_curr, va_curr,
- page_size[i], map_attrs,
- NULL);
- if (status)
- goto func_end;
- pa_curr += page_size[i];
- va_curr += page_size[i];
- gpp_va_curr += page_size[i];
- num_bytes -= page_size[i];
- /*
- * Don't try smaller sizes. Hopefully we have
- * reached an address aligned to a bigger page
- * size.
- */
- break;
- }
- }
- }
- pa_curr += ul_pad_size;
- va_curr += ul_pad_size;
- gpp_va_curr += ul_pad_size;
-
- /* Configure the TLB entries for the next cacheable segment */
- num_bytes = ul_seg_size;
- va_curr = ul_dsp_va * hio_mgr->word_size;
- while (num_bytes) {
- /*
- * To find the max. page size with which both PA & VA are
- * aligned.
- */
- all_bits = pa_curr | va_curr;
- dev_dbg(bridge, "all_bits for Seg1 %x, pa_curr %x, "
- "va_curr %x, num_bytes %x\n", all_bits, pa_curr,
- va_curr, num_bytes);
- for (i = 0; i < 4; i++) {
- if (!(num_bytes >= page_size[i]) ||
- !((all_bits & (page_size[i] - 1)) == 0))
- continue;
- if (ndx < MAX_LOCK_TLB_ENTRIES) {
- /*
- * This is the physical address written to
- * DSP MMU.
- */
- ae_proc[ndx].ul_gpp_pa = pa_curr;
- /*
- * This is the virtual uncached ioremapped
- * address!!!
- */
- ae_proc[ndx].ul_gpp_va = gpp_va_curr;
- ae_proc[ndx].ul_dsp_va =
- va_curr / hio_mgr->word_size;
- ae_proc[ndx].ul_size = page_size[i];
- ae_proc[ndx].endianism = HW_LITTLE_ENDIAN;
- ae_proc[ndx].elem_size = HW_ELEM_SIZE16BIT;
- ae_proc[ndx].mixed_mode = HW_MMU_CPUES;
- dev_dbg(bridge, "shm MMU TLB entry PA %x"
- " VA %x DSP_VA %x Size %x\n",
- ae_proc[ndx].ul_gpp_pa,
- ae_proc[ndx].ul_gpp_va,
- ae_proc[ndx].ul_dsp_va *
- hio_mgr->word_size, page_size[i]);
- ndx++;
- } else {
- status =
- hio_mgr->intf_fxns->
- pfn_brd_mem_map(hio_mgr->hbridge_context,
- pa_curr, va_curr,
- page_size[i], map_attrs,
- NULL);
- dev_dbg(bridge,
- "shm MMU PTE entry PA %x"
- " VA %x DSP_VA %x Size %x\n",
- ae_proc[ndx].ul_gpp_pa,
- ae_proc[ndx].ul_gpp_va,
- ae_proc[ndx].ul_dsp_va *
- hio_mgr->word_size, page_size[i]);
- if (status)
- goto func_end;
- }
- pa_curr += page_size[i];
- va_curr += page_size[i];
- gpp_va_curr += page_size[i];
- num_bytes -= page_size[i];
- /*
- * Don't try smaller sizes. Hopefully we have reached
- * an address aligned to a bigger page size.
- */
- break;
- }
- }
+ sm_sg->seg1_pa = ul_gpp_pa;
+ sm_sg->seg1_da = ul_dyn_ext_base;
+ sm_sg->seg1_va = ul_gpp_va;
+ sm_sg->seg1_size = ul_seg1_size;
+ sm_sg->seg0_pa = ul_gpp_pa + ul_pad_size + ul_seg1_size;
+ sm_sg->seg0_da = ul_dsp_va;
+ sm_sg->seg0_va = ul_gpp_va + ul_pad_size + ul_seg1_size;
+ sm_sg->seg0_size = ul_seg_size;
/*
* Copy remaining entries from CDB. All entries are 1 MB and
@@ -635,38 +509,12 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
"DSP_VA 0x%x\n", ae_proc[ndx].ul_gpp_pa,
ae_proc[ndx].ul_dsp_va);
ndx++;
- } else {
- status = hio_mgr->intf_fxns->pfn_brd_mem_map
- (hio_mgr->hbridge_context,
- hio_mgr->ext_proc_info.ty_tlb[i].
- ul_gpp_phys,
- hio_mgr->ext_proc_info.ty_tlb[i].
- ul_dsp_virt, 0x100000, map_attrs,
- NULL);
}
}
if (status)
goto func_end;
}
- map_attrs = 0x00000000;
- map_attrs = DSP_MAPLITTLEENDIAN;
- map_attrs |= DSP_MAPPHYSICALADDR;
- map_attrs |= DSP_MAPELEMSIZE32;
- map_attrs |= DSP_MAPDONOTLOCK;
-
- /* Map the L4 peripherals */
- i = 0;
- while (l4_peripheral_table[i].phys_addr) {
- status = hio_mgr->intf_fxns->pfn_brd_mem_map
- (hio_mgr->hbridge_context, l4_peripheral_table[i].phys_addr,
- l4_peripheral_table[i].dsp_virt_addr, HW_PAGE_SIZE4KB,
- map_attrs, NULL);
- if (status)
- goto func_end;
- i++;
- }
-
for (i = ndx; i < BRDIOCTL_NUMOFMMUTLB; i++) {
ae_proc[i].ul_dsp_va = 0;
ae_proc[i].ul_gpp_pa = 0;
@@ -689,12 +537,12 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
status = -EFAULT;
goto func_end;
} else {
- if (ae_proc[0].ul_dsp_va > ul_shm_base) {
+ if (sm_sg->seg0_da > ul_shm_base) {
status = -EPERM;
goto func_end;
}
/* ul_shm_base may not be at ul_dsp_va address */
- ul_shm_base_offset = (ul_shm_base - ae_proc[0].ul_dsp_va) *
+ ul_shm_base_offset = (ul_shm_base - sm_sg->seg0_da) *
hio_mgr->word_size;
/*
* bridge_dev_ctrl() will set dev context dsp-mmu info. In
@@ -718,8 +566,7 @@ int bridge_io_on_loaded(struct io_mgr *hio_mgr)
goto func_end;
}
/* Register SM */
- status =
- register_shm_segs(hio_mgr, cod_man, ae_proc[0].ul_gpp_pa);
+ status = register_shm_segs(hio_mgr, cod_man, sm_sg->seg0_pa);
}
hio_mgr->shared_mem = (struct shm *)ul_shm_base;
diff --git a/drivers/staging/tidspbridge/services/sync.c b/drivers/staging/tidspbridge/core/sync.c
index 9010b37bf5b1..995986a9d03b 100644
--- a/drivers/staging/tidspbridge/services/sync.c
+++ b/drivers/staging/tidspbridge/core/sync.c
@@ -21,6 +21,7 @@
/* ----------------------------------- This */
#include <dspbridge/sync.h>
+#include <dspbridge/ntfy.h>
DEFINE_SPINLOCK(sync_lock);
@@ -102,3 +103,19 @@ func_end:
return status;
}
+/**
+ * dsp_notifier_event() - callback function to nofity events
+ * @this: pointer to itself struct notifier_block
+ * @event: event to be notified.
+ * @data: Currently not used.
+ *
+ */
+int dsp_notifier_event(struct notifier_block *this, unsigned long event,
+ void *data)
+{
+ struct ntfy_event *ne = container_of(this, struct ntfy_event,
+ noti_block);
+ if (ne->event & event)
+ sync_set_event(&ne->sync_obj);
+ return NOTIFY_OK;
+}
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index f914829c70f5..f22bc12bc0d3 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -16,6 +16,8 @@
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#include <plat/dsp.h>
+
#include <linux/types.h>
/* ----------------------------------- Host OS */
#include <dspbridge/host_os.h>
@@ -30,14 +32,9 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/drv.h>
#include <dspbridge/sync.h>
-/* ------------------------------------ Hardware Abstraction Layer */
-#include <hw_defs.h>
-#include <hw_mmu.h>
-
/* ----------------------------------- Link Driver */
#include <dspbridge/dspdefs.h>
#include <dspbridge/dspchnl.h>
@@ -50,7 +47,6 @@
/* ----------------------------------- Platform Manager */
#include <dspbridge/dev.h>
#include <dspbridge/dspapi.h>
-#include <dspbridge/dmm.h>
#include <dspbridge/wdt.h>
/* ----------------------------------- Local */
@@ -71,7 +67,6 @@
#define MMU_SMALL_PAGE_MASK 0xFFFFF000
#define OMAP3_IVA2_BOOTADDR_MASK 0xFFFFFC00
#define PAGES_II_LVL_TABLE 512
-#define PHYS_TO_PAGE(phys) pfn_to_page((phys) >> PAGE_SHIFT)
/* Forward Declarations: */
static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt);
@@ -96,12 +91,6 @@ static int bridge_brd_mem_copy(struct bridge_dev_context *dev_ctxt,
static int bridge_brd_mem_write(struct bridge_dev_context *dev_ctxt,
u8 *host_buff, u32 dsp_addr,
u32 ul_num_bytes, u32 mem_type);
-static int bridge_brd_mem_map(struct bridge_dev_context *dev_ctxt,
- u32 ul_mpu_addr, u32 virt_addr,
- u32 ul_num_bytes, u32 ul_map_attr,
- struct page **mapped_pages);
-static int bridge_brd_mem_un_map(struct bridge_dev_context *dev_ctxt,
- u32 virt_addr, u32 ul_num_bytes);
static int bridge_dev_create(struct bridge_dev_context
**dev_cntxt,
struct dev_object *hdev_obj,
@@ -109,57 +98,8 @@ static int bridge_dev_create(struct bridge_dev_context
static int bridge_dev_ctrl(struct bridge_dev_context *dev_context,
u32 dw_cmd, void *pargs);
static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt);
-static u32 user_va2_pa(struct mm_struct *mm, u32 address);
-static int pte_update(struct bridge_dev_context *dev_ctxt, u32 pa,
- u32 va, u32 size,
- struct hw_mmu_map_attrs_t *map_attrs);
-static int pte_set(struct pg_table_attrs *pt, u32 pa, u32 va,
- u32 size, struct hw_mmu_map_attrs_t *attrs);
-static int mem_map_vmalloc(struct bridge_dev_context *dev_context,
- u32 ul_mpu_addr, u32 virt_addr,
- u32 ul_num_bytes,
- struct hw_mmu_map_attrs_t *hw_attrs);
-
bool wait_for_start(struct bridge_dev_context *dev_context, u32 dw_sync_addr);
-/* ----------------------------------- Globals */
-
-/* Attributes of L2 page tables for DSP MMU */
-struct page_info {
- u32 num_entries; /* Number of valid PTEs in the L2 PT */
-};
-
-/* Attributes used to manage the DSP MMU page tables */
-struct pg_table_attrs {
- spinlock_t pg_lock; /* Critical section object handle */
-
- u32 l1_base_pa; /* Physical address of the L1 PT */
- u32 l1_base_va; /* Virtual address of the L1 PT */
- u32 l1_size; /* Size of the L1 PT */
- u32 l1_tbl_alloc_pa;
- /* Physical address of Allocated mem for L1 table. May not be aligned */
- u32 l1_tbl_alloc_va;
- /* Virtual address of Allocated mem for L1 table. May not be aligned */
- u32 l1_tbl_alloc_sz;
- /* Size of consistent memory allocated for L1 table.
- * May not be aligned */
-
- u32 l2_base_pa; /* Physical address of the L2 PT */
- u32 l2_base_va; /* Virtual address of the L2 PT */
- u32 l2_size; /* Size of the L2 PT */
- u32 l2_tbl_alloc_pa;
- /* Physical address of Allocated mem for L2 table. May not be aligned */
- u32 l2_tbl_alloc_va;
- /* Virtual address of Allocated mem for L2 table. May not be aligned */
- u32 l2_tbl_alloc_sz;
- /* Size of consistent memory allocated for L2 table.
- * May not be aligned */
-
- u32 l2_num_pages; /* Number of allocated L2 PT */
- /* Array [l2_num_pages] of L2 PT info structs */
- struct page_info *pg_info;
-};
-
/*
* This Bridge driver's function interface table.
*/
@@ -179,8 +119,6 @@ static struct bridge_drv_interface drv_interface_fxns = {
bridge_brd_set_state,
bridge_brd_mem_copy,
bridge_brd_mem_write,
- bridge_brd_mem_map,
- bridge_brd_mem_un_map,
/* The following CHNL functions are provided by chnl_io.lib: */
bridge_chnl_create,
bridge_chnl_destroy,
@@ -210,27 +148,6 @@ static struct bridge_drv_interface drv_interface_fxns = {
bridge_msg_set_queue_id,
};
-static inline void flush_all(struct bridge_dev_context *dev_context)
-{
- if (dev_context->dw_brd_state == BRD_DSP_HIBERNATION ||
- dev_context->dw_brd_state == BRD_HIBERNATION)
- wake_dsp(dev_context, NULL);
-
- hw_mmu_tlb_flush_all(dev_context->dw_dsp_mmu_base);
-}
-
-static void bad_page_dump(u32 pa, struct page *pg)
-{
- pr_emerg("DSPBRIDGE: MAP function: COUNT 0 FOR PA 0x%x\n", pa);
- pr_emerg("Bad page state in process '%s'\n"
- "page:%p flags:0x%0*lx mapping:%p mapcount:%d count:%d\n"
- "Backtrace:\n",
- current->comm, pg, (int)(2 * sizeof(unsigned long)),
- (unsigned long)pg->flags, pg->mapping,
- page_mapcount(pg), page_count(pg));
- dump_stack();
-}
-
/*
* ======== bridge_drv_entry ========
* purpose:
@@ -264,8 +181,8 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt)
{
struct bridge_dev_context *dev_context = dev_ctxt;
u32 temp;
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
temp = (*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST) &
OMAP_POWERSTATEST_MASK;
@@ -286,8 +203,7 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt)
(*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_DISABLE_AUTO,
OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
}
- (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, 0,
- OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
+
dsp_clk_enable(DSP_CLK_IVA2);
/* set the device state to IDLE */
@@ -358,14 +274,17 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
{
int status = 0;
struct bridge_dev_context *dev_context = dev_ctxt;
+ struct iommu *mmu = NULL;
+ struct shm_segs *sm_sg;
+ int l4_i = 0, tlb_i = 0;
+ u32 sg0_da = 0, sg1_da = 0;
+ struct bridge_ioctl_extproc *tlb = dev_context->atlb_entry;
u32 dw_sync_addr = 0;
u32 ul_shm_base; /* Gpp Phys SM base addr(byte) */
u32 ul_shm_base_virt; /* Dsp Virt SM base addr */
u32 ul_tlb_base_virt; /* Base of MMU TLB entry */
/* Offset of shm_base_virt from tlb_base_virt */
u32 ul_shm_offset_virt;
- s32 entry_ndx;
- s32 itmp_entry_ndx = 0; /* DSP-MMU TLB entry base address */
struct cfg_hostres *resources = NULL;
u32 temp;
u32 ul_dsp_clk_rate;
@@ -374,8 +293,8 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
u32 clk_cmd;
struct io_mgr *hio_mgr;
u32 ul_load_monitor_timer;
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
/* The device context contains all the mmu setup info from when the
* last dsp base image was loaded. The first entry is always
@@ -386,12 +305,12 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
ul_shm_base_virt *= DSPWORDSIZE;
DBC_ASSERT(ul_shm_base_virt != 0);
/* DSP Virtual address */
- ul_tlb_base_virt = dev_context->atlb_entry[0].ul_dsp_va;
+ ul_tlb_base_virt = dev_context->sh_s.seg0_da;
DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt);
ul_shm_offset_virt =
ul_shm_base_virt - (ul_tlb_base_virt * DSPWORDSIZE);
/* Kernel logical address */
- ul_shm_base = dev_context->atlb_entry[0].ul_gpp_va + ul_shm_offset_virt;
+ ul_shm_base = dev_context->sh_s.seg0_va + ul_shm_offset_virt;
DBC_ASSERT(ul_shm_base != 0);
/* 2nd wd is used as sync field */
@@ -426,78 +345,83 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
OMAP343X_CONTROL_IVA2_BOOTMOD));
}
}
+
if (!status) {
- /* Reset and Unreset the RST2, so that BOOTADDR is copied to
- * IVA2 SYSC register */
- (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK,
- OMAP3430_RST2_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
- udelay(100);
(*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, 0,
OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
- udelay(100);
-
- /* Disbale the DSP MMU */
- hw_mmu_disable(resources->dw_dmmu_base);
- /* Disable TWL */
- hw_mmu_twl_disable(resources->dw_dmmu_base);
-
- /* Only make TLB entry if both addresses are non-zero */
- for (entry_ndx = 0; entry_ndx < BRDIOCTL_NUMOFMMUTLB;
- entry_ndx++) {
- struct bridge_ioctl_extproc *e = &dev_context->atlb_entry[entry_ndx];
- struct hw_mmu_map_attrs_t map_attrs = {
- .endianism = e->endianism,
- .element_size = e->elem_size,
- .mixed_size = e->mixed_mode,
- };
-
- if (!e->ul_gpp_pa || !e->ul_dsp_va)
+ mmu = dev_context->dsp_mmu;
+ if (mmu)
+ dsp_mmu_exit(mmu);
+ mmu = dsp_mmu_init();
+ if (IS_ERR(mmu)) {
+ dev_err(bridge, "dsp_mmu_init failed!\n");
+ dev_context->dsp_mmu = NULL;
+ status = (int)mmu;
+ }
+ }
+ if (!status) {
+ dev_context->dsp_mmu = mmu;
+ sm_sg = &dev_context->sh_s;
+ sg0_da = iommu_kmap(mmu, sm_sg->seg0_da, sm_sg->seg0_pa,
+ sm_sg->seg0_size, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32);
+ if (IS_ERR_VALUE(sg0_da)) {
+ status = (int)sg0_da;
+ sg0_da = 0;
+ }
+ }
+ if (!status) {
+ sg1_da = iommu_kmap(mmu, sm_sg->seg1_da, sm_sg->seg1_pa,
+ sm_sg->seg1_size, IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32);
+ if (IS_ERR_VALUE(sg1_da)) {
+ status = (int)sg1_da;
+ sg1_da = 0;
+ }
+ }
+ if (!status) {
+ u32 da;
+ for (tlb_i = 0; tlb_i < BRDIOCTL_NUMOFMMUTLB; tlb_i++) {
+ if (!tlb[tlb_i].ul_gpp_pa)
continue;
- dev_dbg(bridge,
- "MMU %d, pa: 0x%x, va: 0x%x, size: 0x%x",
- itmp_entry_ndx,
- e->ul_gpp_pa,
- e->ul_dsp_va,
- e->ul_size);
-
- hw_mmu_tlb_add(dev_context->dw_dsp_mmu_base,
- e->ul_gpp_pa,
- e->ul_dsp_va,
- e->ul_size,
- itmp_entry_ndx,
- &map_attrs, 1, 1);
-
- itmp_entry_ndx++;
+ dev_dbg(bridge, "IOMMU %d GppPa: 0x%x DspVa 0x%x Size"
+ " 0x%x\n", tlb_i, tlb[tlb_i].ul_gpp_pa,
+ tlb[tlb_i].ul_dsp_va, tlb[tlb_i].ul_size);
+
+ da = iommu_kmap(mmu, tlb[tlb_i].ul_dsp_va,
+ tlb[tlb_i].ul_gpp_pa, PAGE_SIZE,
+ IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32);
+ if (IS_ERR_VALUE(da)) {
+ status = (int)da;
+ break;
+ }
+ }
+ }
+ if (!status) {
+ u32 da;
+ l4_i = 0;
+ while (l4_peripheral_table[l4_i].phys_addr) {
+ da = iommu_kmap(mmu, l4_peripheral_table[l4_i].
+ dsp_virt_addr, l4_peripheral_table[l4_i].
+ phys_addr, PAGE_SIZE,
+ IOVMF_ENDIAN_LITTLE | IOVMF_ELSZ_32);
+ if (IS_ERR_VALUE(da)) {
+ status = (int)da;
+ break;
+ }
+ l4_i++;
}
}
/* Lock the above TLB entries and get the BIOS and load monitor timer
* information */
if (!status) {
- hw_mmu_num_locked_set(resources->dw_dmmu_base, itmp_entry_ndx);
- hw_mmu_victim_num_set(resources->dw_dmmu_base, itmp_entry_ndx);
- hw_mmu_ttb_set(resources->dw_dmmu_base,
- dev_context->pt_attrs->l1_base_pa);
- hw_mmu_twl_enable(resources->dw_dmmu_base);
- /* Enable the SmartIdle and AutoIdle bit for MMU_SYSCONFIG */
-
- temp = __raw_readl((resources->dw_dmmu_base) + 0x10);
- temp = (temp & 0xFFFFFFEF) | 0x11;
- __raw_writel(temp, (resources->dw_dmmu_base) + 0x10);
-
- /* Let the DSP MMU run */
- hw_mmu_enable(resources->dw_dmmu_base);
-
/* Enable the BIOS clock */
(void)dev_get_symbol(dev_context->hdev_obj,
BRIDGEINIT_BIOSGPTIMER, &ul_bios_gp_timer);
(void)dev_get_symbol(dev_context->hdev_obj,
BRIDGEINIT_LOADMON_GPTIMER,
&ul_load_monitor_timer);
- }
- if (!status) {
if (ul_load_monitor_timer != 0xFFFF) {
clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
ul_load_monitor_timer;
@@ -506,9 +430,7 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
dev_dbg(bridge, "Not able to get the symbol for Load "
"Monitor Timer\n");
}
- }
- if (!status) {
if (ul_bios_gp_timer != 0xFFFF) {
clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
ul_bios_gp_timer;
@@ -517,9 +439,7 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
dev_dbg(bridge,
"Not able to get the symbol for BIOS Timer\n");
}
- }
- if (!status) {
/* Set the DSP clock rate */
(void)dev_get_symbol(dev_context->hdev_obj,
"_BRIDGEINIT_DSP_FREQ", &ul_dsp_clk_addr);
@@ -572,9 +492,6 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
/* Let DSP go */
dev_dbg(bridge, "%s Unreset\n", __func__);
- /* Enable DSP MMU Interrupts */
- hw_mmu_event_enable(resources->dw_dmmu_base,
- HW_MMU_ALL_INTERRUPTS);
/* release the RST1, DSP starts executing now .. */
(*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK, 0,
OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
@@ -604,11 +521,23 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
/* update board state */
dev_context->dw_brd_state = BRD_RUNNING;
- /* (void)chnlsm_enable_interrupt(dev_context); */
+ return 0;
} else {
dev_context->dw_brd_state = BRD_UNKNOWN;
}
}
+
+ while (tlb_i--) {
+ if (!tlb[tlb_i].ul_gpp_pa)
+ continue;
+ iommu_kunmap(mmu, tlb[tlb_i].ul_gpp_va);
+ }
+ while (l4_i--)
+ iommu_kunmap(mmu, l4_peripheral_table[l4_i].dsp_virt_addr);
+ if (sg0_da)
+ iommu_kunmap(mmu, sg0_da);
+ if (sg1_da)
+ iommu_kunmap(mmu, sg1_da);
return status;
}
@@ -624,11 +553,11 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
{
int status = 0;
struct bridge_dev_context *dev_context = dev_ctxt;
- struct pg_table_attrs *pt_attrs;
u32 dsp_pwr_state;
- int clk_status;
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ int i;
+ struct bridge_ioctl_extproc *tlb = dev_context->atlb_entry;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
if (dev_context->dw_brd_state == BRD_STOPPED)
return status;
@@ -662,25 +591,40 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
dsp_wdt_enable(false);
- /* This is a good place to clear the MMU page tables as well */
- if (dev_context->pt_attrs) {
- pt_attrs = dev_context->pt_attrs;
- memset((u8 *) pt_attrs->l1_base_va, 0x00, pt_attrs->l1_size);
- memset((u8 *) pt_attrs->l2_base_va, 0x00, pt_attrs->l2_size);
- memset((u8 *) pt_attrs->pg_info, 0x00,
- (pt_attrs->l2_num_pages * sizeof(struct page_info)));
- }
+ /* Reset DSP */
+ (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK,
+ OMAP3430_RST1_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
+
/* Disable the mailbox interrupts */
if (dev_context->mbox) {
omap_mbox_disable_irq(dev_context->mbox, IRQ_RX);
omap_mbox_put(dev_context->mbox);
dev_context->mbox = NULL;
}
- /* Reset IVA2 clocks*/
- (*pdata->dsp_prm_write)(OMAP3430_RST1_IVA2_MASK | OMAP3430_RST2_IVA2_MASK |
- OMAP3430_RST3_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
+ if (dev_context->dsp_mmu) {
+ pr_err("Proc stop mmu if statement\n");
+ for (i = 0; i < BRDIOCTL_NUMOFMMUTLB; i++) {
+ if (!tlb[i].ul_gpp_pa)
+ continue;
+ iommu_kunmap(dev_context->dsp_mmu, tlb[i].ul_gpp_va);
+ }
+ i = 0;
+ while (l4_peripheral_table[i].phys_addr) {
+ iommu_kunmap(dev_context->dsp_mmu,
+ l4_peripheral_table[i].dsp_virt_addr);
+ i++;
+ }
+ iommu_kunmap(dev_context->dsp_mmu, dev_context->sh_s.seg0_da);
+ iommu_kunmap(dev_context->dsp_mmu, dev_context->sh_s.seg1_da);
+ dsp_mmu_exit(dev_context->dsp_mmu);
+ dev_context->dsp_mmu = NULL;
+ }
+ /* Reset IVA IOMMU*/
+ (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK,
+ OMAP3430_RST2_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
- clk_status = dsp_clk_disable(DSP_CLK_IVA2);
+ dsp_clock_disable_all(dev_context->dsp_per_clks);
+ dsp_clk_disable(DSP_CLK_IVA2);
return status;
}
@@ -737,10 +681,6 @@ static int bridge_dev_create(struct bridge_dev_context
struct bridge_dev_context *dev_context = NULL;
s32 entry_ndx;
struct cfg_hostres *resources = config_param;
- struct pg_table_attrs *pt_attrs;
- u32 pg_tbl_pa;
- u32 pg_tbl_va;
- u32 align_size;
struct drv_data *drv_datap = dev_get_drvdata(bridge);
/* Allocate and initialize a data structure to contain the bridge driver
@@ -771,97 +711,8 @@ static int bridge_dev_create(struct bridge_dev_context
if (!dev_context->dw_dsp_base_addr)
status = -EPERM;
- pt_attrs = kzalloc(sizeof(struct pg_table_attrs), GFP_KERNEL);
- if (pt_attrs != NULL) {
- /* Assuming that we use only DSP's memory map
- * until 0x4000:0000 , we would need only 1024
- * L1 enties i.e L1 size = 4K */
- pt_attrs->l1_size = 0x1000;
- align_size = pt_attrs->l1_size;
- /* Align sizes are expected to be power of 2 */
- /* we like to get aligned on L1 table size */
- pg_tbl_va = (u32) mem_alloc_phys_mem(pt_attrs->l1_size,
- align_size, &pg_tbl_pa);
-
- /* Check if the PA is aligned for us */
- if ((pg_tbl_pa) & (align_size - 1)) {
- /* PA not aligned to page table size ,
- * try with more allocation and align */
- mem_free_phys_mem((void *)pg_tbl_va, pg_tbl_pa,
- pt_attrs->l1_size);
- /* we like to get aligned on L1 table size */
- pg_tbl_va =
- (u32) mem_alloc_phys_mem((pt_attrs->l1_size) * 2,
- align_size, &pg_tbl_pa);
- /* We should be able to get aligned table now */
- pt_attrs->l1_tbl_alloc_pa = pg_tbl_pa;
- pt_attrs->l1_tbl_alloc_va = pg_tbl_va;
- pt_attrs->l1_tbl_alloc_sz = pt_attrs->l1_size * 2;
- /* Align the PA to the next 'align' boundary */
- pt_attrs->l1_base_pa =
- ((pg_tbl_pa) +
- (align_size - 1)) & (~(align_size - 1));
- pt_attrs->l1_base_va =
- pg_tbl_va + (pt_attrs->l1_base_pa - pg_tbl_pa);
- } else {
- /* We got aligned PA, cool */
- pt_attrs->l1_tbl_alloc_pa = pg_tbl_pa;
- pt_attrs->l1_tbl_alloc_va = pg_tbl_va;
- pt_attrs->l1_tbl_alloc_sz = pt_attrs->l1_size;
- pt_attrs->l1_base_pa = pg_tbl_pa;
- pt_attrs->l1_base_va = pg_tbl_va;
- }
- if (pt_attrs->l1_base_va)
- memset((u8 *) pt_attrs->l1_base_va, 0x00,
- pt_attrs->l1_size);
-
- /* number of L2 page tables = DMM pool used + SHMMEM +EXTMEM +
- * L4 pages */
- pt_attrs->l2_num_pages = ((DMMPOOLSIZE >> 20) + 6);
- pt_attrs->l2_size = HW_MMU_COARSE_PAGE_SIZE *
- pt_attrs->l2_num_pages;
- align_size = 4; /* Make it u32 aligned */
- /* we like to get aligned on L1 table size */
- pg_tbl_va = (u32) mem_alloc_phys_mem(pt_attrs->l2_size,
- align_size, &pg_tbl_pa);
- pt_attrs->l2_tbl_alloc_pa = pg_tbl_pa;
- pt_attrs->l2_tbl_alloc_va = pg_tbl_va;
- pt_attrs->l2_tbl_alloc_sz = pt_attrs->l2_size;
- pt_attrs->l2_base_pa = pg_tbl_pa;
- pt_attrs->l2_base_va = pg_tbl_va;
-
- if (pt_attrs->l2_base_va)
- memset((u8 *) pt_attrs->l2_base_va, 0x00,
- pt_attrs->l2_size);
-
- pt_attrs->pg_info = kzalloc(pt_attrs->l2_num_pages *
- sizeof(struct page_info), GFP_KERNEL);
- dev_dbg(bridge,
- "L1 pa %x, va %x, size %x\n L2 pa %x, va "
- "%x, size %x\n", pt_attrs->l1_base_pa,
- pt_attrs->l1_base_va, pt_attrs->l1_size,
- pt_attrs->l2_base_pa, pt_attrs->l2_base_va,
- pt_attrs->l2_size);
- dev_dbg(bridge, "pt_attrs %p L2 NumPages %x pg_info %p\n",
- pt_attrs, pt_attrs->l2_num_pages, pt_attrs->pg_info);
- }
- if ((pt_attrs != NULL) && (pt_attrs->l1_base_va != 0) &&
- (pt_attrs->l2_base_va != 0) && (pt_attrs->pg_info != NULL))
- dev_context->pt_attrs = pt_attrs;
- else
- status = -ENOMEM;
-
if (!status) {
- spin_lock_init(&pt_attrs->pg_lock);
dev_context->tc_word_swap_on = drv_datap->tc_wordswapon;
-
- /* Set the Clock Divisor for the DSP module */
- udelay(5);
- /* MMU address is obtained from the host
- * resources struct */
- dev_context->dw_dsp_mmu_base = resources->dw_dmmu_base;
- }
- if (!status) {
dev_context->hdev_obj = hdev_obj;
/* Store current board state. */
dev_context->dw_brd_state = BRD_UNKNOWN;
@@ -871,23 +722,6 @@ static int bridge_dev_create(struct bridge_dev_context
/* Return ptr to our device state to the DSP API for storage */
*dev_cntxt = dev_context;
} else {
- if (pt_attrs != NULL) {
- kfree(pt_attrs->pg_info);
-
- if (pt_attrs->l2_tbl_alloc_va) {
- mem_free_phys_mem((void *)
- pt_attrs->l2_tbl_alloc_va,
- pt_attrs->l2_tbl_alloc_pa,
- pt_attrs->l2_tbl_alloc_sz);
- }
- if (pt_attrs->l1_tbl_alloc_va) {
- mem_free_phys_mem((void *)
- pt_attrs->l1_tbl_alloc_va,
- pt_attrs->l1_tbl_alloc_pa,
- pt_attrs->l1_tbl_alloc_sz);
- }
- }
- kfree(pt_attrs);
kfree(dev_context);
}
func_end:
@@ -955,7 +789,6 @@ static int bridge_dev_ctrl(struct bridge_dev_context *dev_context,
*/
static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
{
- struct pg_table_attrs *pt_attrs;
int status = 0;
struct bridge_dev_context *dev_context = (struct bridge_dev_context *)
dev_ctxt;
@@ -969,23 +802,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
/* first put the device to stop state */
bridge_brd_stop(dev_context);
- if (dev_context->pt_attrs) {
- pt_attrs = dev_context->pt_attrs;
- kfree(pt_attrs->pg_info);
-
- if (pt_attrs->l2_tbl_alloc_va) {
- mem_free_phys_mem((void *)pt_attrs->l2_tbl_alloc_va,
- pt_attrs->l2_tbl_alloc_pa,
- pt_attrs->l2_tbl_alloc_sz);
- }
- if (pt_attrs->l1_tbl_alloc_va) {
- mem_free_phys_mem((void *)pt_attrs->l1_tbl_alloc_va,
- pt_attrs->l1_tbl_alloc_pa,
- pt_attrs->l1_tbl_alloc_sz);
- }
- kfree(pt_attrs);
-
- }
if (dev_context->resources) {
host_res = dev_context->resources;
@@ -1016,8 +832,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
iounmap((void *)host_res->dw_mem_base[3]);
if (host_res->dw_mem_base[4])
iounmap((void *)host_res->dw_mem_base[4]);
- if (host_res->dw_dmmu_base)
- iounmap(host_res->dw_dmmu_base);
if (host_res->dw_per_base)
iounmap(host_res->dw_per_base);
if (host_res->dw_per_pm_base)
@@ -1031,7 +845,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
host_res->dw_mem_base[2] = (u32) NULL;
host_res->dw_mem_base[3] = (u32) NULL;
host_res->dw_mem_base[4] = (u32) NULL;
- host_res->dw_dmmu_base = NULL;
host_res->dw_sys_ctrl_base = NULL;
kfree(host_res);
@@ -1115,673 +928,6 @@ static int bridge_brd_mem_write(struct bridge_dev_context *dev_ctxt,
}
/*
- * ======== bridge_brd_mem_map ========
- * This function maps MPU buffer to the DSP address space. It performs
- * linear to physical address translation if required. It translates each
- * page since linear addresses can be physically non-contiguous
- * All address & size arguments are assumed to be page aligned (in proc.c)
- *
- * TODO: Disable MMU while updating the page tables (but that'll stall DSP)
- */
-static int bridge_brd_mem_map(struct bridge_dev_context *dev_ctxt,
- u32 ul_mpu_addr, u32 virt_addr,
- u32 ul_num_bytes, u32 ul_map_attr,
- struct page **mapped_pages)
-{
- u32 attrs;
- int status = 0;
- struct bridge_dev_context *dev_context = dev_ctxt;
- struct hw_mmu_map_attrs_t hw_attrs;
- struct vm_area_struct *vma;
- struct mm_struct *mm = current->mm;
- u32 write = 0;
- u32 num_usr_pgs = 0;
- struct page *mapped_page, *pg;
- s32 pg_num;
- u32 va = virt_addr;
- struct task_struct *curr_task = current;
- u32 pg_i = 0;
- u32 mpu_addr, pa;
-
- dev_dbg(bridge,
- "%s hDevCtxt %p, pa %x, va %x, size %x, ul_map_attr %x\n",
- __func__, dev_ctxt, ul_mpu_addr, virt_addr, ul_num_bytes,
- ul_map_attr);
- if (ul_num_bytes == 0)
- return -EINVAL;
-
- if (ul_map_attr & DSP_MAP_DIR_MASK) {
- attrs = ul_map_attr;
- } else {
- /* Assign default attributes */
- attrs = ul_map_attr | (DSP_MAPVIRTUALADDR | DSP_MAPELEMSIZE16);
- }
- /* Take mapping properties */
- if (attrs & DSP_MAPBIGENDIAN)
- hw_attrs.endianism = HW_BIG_ENDIAN;
- else
- hw_attrs.endianism = HW_LITTLE_ENDIAN;
-
- hw_attrs.mixed_size = (enum hw_mmu_mixed_size_t)
- ((attrs & DSP_MAPMIXEDELEMSIZE) >> 2);
- /* Ignore element_size if mixed_size is enabled */
- if (hw_attrs.mixed_size == 0) {
- if (attrs & DSP_MAPELEMSIZE8) {
- /* Size is 8 bit */
- hw_attrs.element_size = HW_ELEM_SIZE8BIT;
- } else if (attrs & DSP_MAPELEMSIZE16) {
- /* Size is 16 bit */
- hw_attrs.element_size = HW_ELEM_SIZE16BIT;
- } else if (attrs & DSP_MAPELEMSIZE32) {
- /* Size is 32 bit */
- hw_attrs.element_size = HW_ELEM_SIZE32BIT;
- } else if (attrs & DSP_MAPELEMSIZE64) {
- /* Size is 64 bit */
- hw_attrs.element_size = HW_ELEM_SIZE64BIT;
- } else {
- /*
- * Mixedsize isn't enabled, so size can't be
- * zero here
- */
- return -EINVAL;
- }
- }
- if (attrs & DSP_MAPDONOTLOCK)
- hw_attrs.donotlockmpupage = 1;
- else
- hw_attrs.donotlockmpupage = 0;
-
- if (attrs & DSP_MAPVMALLOCADDR) {
- return mem_map_vmalloc(dev_ctxt, ul_mpu_addr, virt_addr,
- ul_num_bytes, &hw_attrs);
- }
- /*
- * Do OS-specific user-va to pa translation.
- * Combine physically contiguous regions to reduce TLBs.
- * Pass the translated pa to pte_update.
- */
- if ((attrs & DSP_MAPPHYSICALADDR)) {
- status = pte_update(dev_context, ul_mpu_addr, virt_addr,
- ul_num_bytes, &hw_attrs);
- goto func_cont;
- }
-
- /*
- * Important Note: ul_mpu_addr is mapped from user application process
- * to current process - it must lie completely within the current
- * virtual memory address space in order to be of use to us here!
- */
- down_read(&mm->mmap_sem);
- vma = find_vma(mm, ul_mpu_addr);
- if (vma)
- dev_dbg(bridge,
- "VMAfor UserBuf: ul_mpu_addr=%x, ul_num_bytes=%x, "
- "vm_start=%lx, vm_end=%lx, vm_flags=%lx\n", ul_mpu_addr,
- ul_num_bytes, vma->vm_start, vma->vm_end,
- vma->vm_flags);
-
- /*
- * It is observed that under some circumstances, the user buffer is
- * spread across several VMAs. So loop through and check if the entire
- * user buffer is covered
- */
- while ((vma) && (ul_mpu_addr + ul_num_bytes > vma->vm_end)) {
- /* jump to the next VMA region */
- vma = find_vma(mm, vma->vm_end + 1);
- dev_dbg(bridge,
- "VMA for UserBuf ul_mpu_addr=%x ul_num_bytes=%x, "
- "vm_start=%lx, vm_end=%lx, vm_flags=%lx\n", ul_mpu_addr,
- ul_num_bytes, vma->vm_start, vma->vm_end,
- vma->vm_flags);
- }
- if (!vma) {
- pr_err("%s: Failed to get VMA region for 0x%x (%d)\n",
- __func__, ul_mpu_addr, ul_num_bytes);
- status = -EINVAL;
- up_read(&mm->mmap_sem);
- goto func_cont;
- }
-
- if (vma->vm_flags & VM_IO) {
- num_usr_pgs = ul_num_bytes / PG_SIZE4K;
- mpu_addr = ul_mpu_addr;
-
- /* Get the physical addresses for user buffer */
- for (pg_i = 0; pg_i < num_usr_pgs; pg_i++) {
- pa = user_va2_pa(mm, mpu_addr);
- if (!pa) {
- status = -EPERM;
- pr_err("DSPBRIDGE: VM_IO mapping physical"
- "address is invalid\n");
- break;
- }
- if (pfn_valid(__phys_to_pfn(pa))) {
- pg = PHYS_TO_PAGE(pa);
- get_page(pg);
- if (page_count(pg) < 1) {
- pr_err("Bad page in VM_IO buffer\n");
- bad_page_dump(pa, pg);
- }
- }
- status = pte_set(dev_context->pt_attrs, pa,
- va, HW_PAGE_SIZE4KB, &hw_attrs);
- if (status)
- break;
-
- va += HW_PAGE_SIZE4KB;
- mpu_addr += HW_PAGE_SIZE4KB;
- pa += HW_PAGE_SIZE4KB;
- }
- } else {
- num_usr_pgs = ul_num_bytes / PG_SIZE4K;
- if (vma->vm_flags & (VM_WRITE | VM_MAYWRITE))
- write = 1;
-
- for (pg_i = 0; pg_i < num_usr_pgs; pg_i++) {
- pg_num = get_user_pages(curr_task, mm, ul_mpu_addr, 1,
- write, 1, &mapped_page, NULL);
- if (pg_num > 0) {
- if (page_count(mapped_page) < 1) {
- pr_err("Bad page count after doing"
- "get_user_pages on"
- "user buffer\n");
- bad_page_dump(page_to_phys(mapped_page),
- mapped_page);
- }
- status = pte_set(dev_context->pt_attrs,
- page_to_phys(mapped_page), va,
- HW_PAGE_SIZE4KB, &hw_attrs);
- if (status)
- break;
-
- if (mapped_pages)
- mapped_pages[pg_i] = mapped_page;
-
- va += HW_PAGE_SIZE4KB;
- ul_mpu_addr += HW_PAGE_SIZE4KB;
- } else {
- pr_err("DSPBRIDGE: get_user_pages FAILED,"
- "MPU addr = 0x%x,"
- "vma->vm_flags = 0x%lx,"
- "get_user_pages Err"
- "Value = %d, Buffer"
- "size=0x%x\n", ul_mpu_addr,
- vma->vm_flags, pg_num, ul_num_bytes);
- status = -EPERM;
- break;
- }
- }
- }
- up_read(&mm->mmap_sem);
-func_cont:
- if (status) {
- /*
- * Roll out the mapped pages incase it failed in middle of
- * mapping
- */
- if (pg_i) {
- bridge_brd_mem_un_map(dev_context, virt_addr,
- (pg_i * PG_SIZE4K));
- }
- status = -EPERM;
- }
- /*
- * In any case, flush the TLB
- * This is called from here instead from pte_update to avoid unnecessary
- * repetition while mapping non-contiguous physical regions of a virtual
- * region
- */
- flush_all(dev_context);
- dev_dbg(bridge, "%s status %x\n", __func__, status);
- return status;
-}
-
-/*
- * ======== bridge_brd_mem_un_map ========
- * Invalidate the PTEs for the DSP VA block to be unmapped.
- *
- * PTEs of a mapped memory block are contiguous in any page table
- * So, instead of looking up the PTE address for every 4K block,
- * we clear consecutive PTEs until we unmap all the bytes
- */
-static int bridge_brd_mem_un_map(struct bridge_dev_context *dev_ctxt,
- u32 virt_addr, u32 ul_num_bytes)
-{
- u32 l1_base_va;
- u32 l2_base_va;
- u32 l2_base_pa;
- u32 l2_page_num;
- u32 pte_val;
- u32 pte_size;
- u32 pte_count;
- u32 pte_addr_l1;
- u32 pte_addr_l2 = 0;
- u32 rem_bytes;
- u32 rem_bytes_l2;
- u32 va_curr;
- struct page *pg = NULL;
- int status = 0;
- struct bridge_dev_context *dev_context = dev_ctxt;
- struct pg_table_attrs *pt = dev_context->pt_attrs;
- u32 temp;
- u32 paddr;
- u32 numof4k_pages = 0;
-
- va_curr = virt_addr;
- rem_bytes = ul_num_bytes;
- rem_bytes_l2 = 0;
- l1_base_va = pt->l1_base_va;
- pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va_curr);
- dev_dbg(bridge, "%s dev_ctxt %p, va %x, NumBytes %x l1_base_va %x, "
- "pte_addr_l1 %x\n", __func__, dev_ctxt, virt_addr,
- ul_num_bytes, l1_base_va, pte_addr_l1);
-
- while (rem_bytes && !status) {
- u32 va_curr_orig = va_curr;
- /* Find whether the L1 PTE points to a valid L2 PT */
- pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va_curr);
- pte_val = *(u32 *) pte_addr_l1;
- pte_size = hw_mmu_pte_size_l1(pte_val);
-
- if (pte_size != HW_MMU_COARSE_PAGE_SIZE)
- goto skip_coarse_page;
-
- /*
- * Get the L2 PA from the L1 PTE, and find
- * corresponding L2 VA
- */
- l2_base_pa = hw_mmu_pte_coarse_l1(pte_val);
- l2_base_va = l2_base_pa - pt->l2_base_pa + pt->l2_base_va;
- l2_page_num =
- (l2_base_pa - pt->l2_base_pa) / HW_MMU_COARSE_PAGE_SIZE;
- /*
- * Find the L2 PTE address from which we will start
- * clearing, the number of PTEs to be cleared on this
- * page, and the size of VA space that needs to be
- * cleared on this L2 page
- */
- pte_addr_l2 = hw_mmu_pte_addr_l2(l2_base_va, va_curr);
- pte_count = pte_addr_l2 & (HW_MMU_COARSE_PAGE_SIZE - 1);
- pte_count = (HW_MMU_COARSE_PAGE_SIZE - pte_count) / sizeof(u32);
- if (rem_bytes < (pte_count * PG_SIZE4K))
- pte_count = rem_bytes / PG_SIZE4K;
- rem_bytes_l2 = pte_count * PG_SIZE4K;
-
- /*
- * Unmap the VA space on this L2 PT. A quicker way
- * would be to clear pte_count entries starting from
- * pte_addr_l2. However, below code checks that we don't
- * clear invalid entries or less than 64KB for a 64KB
- * entry. Similar checking is done for L1 PTEs too
- * below
- */
- while (rem_bytes_l2 && !status) {
- pte_val = *(u32 *) pte_addr_l2;
- pte_size = hw_mmu_pte_size_l2(pte_val);
- /* va_curr aligned to pte_size? */
- if (pte_size == 0 || rem_bytes_l2 < pte_size ||
- va_curr & (pte_size - 1)) {
- status = -EPERM;
- break;
- }
-
- /* Collect Physical addresses from VA */
- paddr = (pte_val & ~(pte_size - 1));
- if (pte_size == HW_PAGE_SIZE64KB)
- numof4k_pages = 16;
- else
- numof4k_pages = 1;
- temp = 0;
- while (temp++ < numof4k_pages) {
- if (!pfn_valid(__phys_to_pfn(paddr))) {
- paddr += HW_PAGE_SIZE4KB;
- continue;
- }
- pg = PHYS_TO_PAGE(paddr);
- if (page_count(pg) < 1) {
- pr_info("DSPBRIDGE: UNMAP function: "
- "COUNT 0 FOR PA 0x%x, size = "
- "0x%x\n", paddr, ul_num_bytes);
- bad_page_dump(paddr, pg);
- } else {
- set_page_dirty(pg);
- page_cache_release(pg);
- }
- paddr += HW_PAGE_SIZE4KB;
- }
- if (hw_mmu_pte_clear(pte_addr_l2, va_curr, pte_size)) {
- status = -EPERM;
- goto EXIT_LOOP;
- }
-
- status = 0;
- rem_bytes_l2 -= pte_size;
- va_curr += pte_size;
- pte_addr_l2 += (pte_size >> 12) * sizeof(u32);
- }
- spin_lock(&pt->pg_lock);
- if (rem_bytes_l2 == 0) {
- pt->pg_info[l2_page_num].num_entries -= pte_count;
- if (pt->pg_info[l2_page_num].num_entries == 0) {
- /*
- * Clear the L1 PTE pointing to the L2 PT
- */
- if (!hw_mmu_pte_clear(l1_base_va, va_curr_orig,
- HW_MMU_COARSE_PAGE_SIZE))
- status = 0;
- else {
- status = -EPERM;
- spin_unlock(&pt->pg_lock);
- goto EXIT_LOOP;
- }
- }
- rem_bytes -= pte_count * PG_SIZE4K;
- } else
- status = -EPERM;
-
- spin_unlock(&pt->pg_lock);
- continue;
-skip_coarse_page:
- /* va_curr aligned to pte_size? */
- /* pte_size = 1 MB or 16 MB */
- if (pte_size == 0 || rem_bytes < pte_size ||
- va_curr & (pte_size - 1)) {
- status = -EPERM;
- break;
- }
-
- if (pte_size == HW_PAGE_SIZE1MB)
- numof4k_pages = 256;
- else
- numof4k_pages = 4096;
- temp = 0;
- /* Collect Physical addresses from VA */
- paddr = (pte_val & ~(pte_size - 1));
- while (temp++ < numof4k_pages) {
- if (pfn_valid(__phys_to_pfn(paddr))) {
- pg = PHYS_TO_PAGE(paddr);
- if (page_count(pg) < 1) {
- pr_info("DSPBRIDGE: UNMAP function: "
- "COUNT 0 FOR PA 0x%x, size = "
- "0x%x\n", paddr, ul_num_bytes);
- bad_page_dump(paddr, pg);
- } else {
- set_page_dirty(pg);
- page_cache_release(pg);
- }
- }
- paddr += HW_PAGE_SIZE4KB;
- }
- if (!hw_mmu_pte_clear(l1_base_va, va_curr, pte_size)) {
- status = 0;
- rem_bytes -= pte_size;
- va_curr += pte_size;
- } else {
- status = -EPERM;
- goto EXIT_LOOP;
- }
- }
- /*
- * It is better to flush the TLB here, so that any stale old entries
- * get flushed
- */
-EXIT_LOOP:
- flush_all(dev_context);
- dev_dbg(bridge,
- "%s: va_curr %x, pte_addr_l1 %x pte_addr_l2 %x rem_bytes %x,"
- " rem_bytes_l2 %x status %x\n", __func__, va_curr, pte_addr_l1,
- pte_addr_l2, rem_bytes, rem_bytes_l2, status);
- return status;
-}
-
-/*
- * ======== user_va2_pa ========
- * Purpose:
- * This function walks through the page tables to convert a userland
- * virtual address to physical address
- */
-static u32 user_va2_pa(struct mm_struct *mm, u32 address)
-{
- pgd_t *pgd;
- pmd_t *pmd;
- pte_t *ptep, pte;
-
- pgd = pgd_offset(mm, address);
- if (!(pgd_none(*pgd) || pgd_bad(*pgd))) {
- pmd = pmd_offset(pgd, address);
- if (!(pmd_none(*pmd) || pmd_bad(*pmd))) {
- ptep = pte_offset_map(pmd, address);
- if (ptep) {
- pte = *ptep;
- if (pte_present(pte))
- return pte & PAGE_MASK;
- }
- }
- }
-
- return 0;
-}
-
-/*
- * ======== pte_update ========
- * This function calculates the optimum page-aligned addresses and sizes
- * Caller must pass page-aligned values
- */
-static int pte_update(struct bridge_dev_context *dev_ctxt, u32 pa,
- u32 va, u32 size,
- struct hw_mmu_map_attrs_t *map_attrs)
-{
- u32 i;
- u32 all_bits;
- u32 pa_curr = pa;
- u32 va_curr = va;
- u32 num_bytes = size;
- struct bridge_dev_context *dev_context = dev_ctxt;
- int status = 0;
- u32 page_size[] = { HW_PAGE_SIZE16MB, HW_PAGE_SIZE1MB,
- HW_PAGE_SIZE64KB, HW_PAGE_SIZE4KB
- };
-
- while (num_bytes && !status) {
- /* To find the max. page size with which both PA & VA are
- * aligned */
- all_bits = pa_curr | va_curr;
-
- for (i = 0; i < 4; i++) {
- if ((num_bytes >= page_size[i]) && ((all_bits &
- (page_size[i] -
- 1)) == 0)) {
- status =
- pte_set(dev_context->pt_attrs, pa_curr,
- va_curr, page_size[i], map_attrs);
- pa_curr += page_size[i];
- va_curr += page_size[i];
- num_bytes -= page_size[i];
- /* Don't try smaller sizes. Hopefully we have
- * reached an address aligned to a bigger page
- * size */
- break;
- }
- }
- }
-
- return status;
-}
-
-/*
- * ======== pte_set ========
- * This function calculates PTE address (MPU virtual) to be updated
- * It also manages the L2 page tables
- */
-static int pte_set(struct pg_table_attrs *pt, u32 pa, u32 va,
- u32 size, struct hw_mmu_map_attrs_t *attrs)
-{
- u32 i;
- u32 pte_val;
- u32 pte_addr_l1;
- u32 pte_size;
- /* Base address of the PT that will be updated */
- u32 pg_tbl_va;
- u32 l1_base_va;
- /* Compiler warns that the next three variables might be used
- * uninitialized in this function. Doesn't seem so. Working around,
- * anyways. */
- u32 l2_base_va = 0;
- u32 l2_base_pa = 0;
- u32 l2_page_num = 0;
- int status = 0;
-
- l1_base_va = pt->l1_base_va;
- pg_tbl_va = l1_base_va;
- if ((size == HW_PAGE_SIZE64KB) || (size == HW_PAGE_SIZE4KB)) {
- /* Find whether the L1 PTE points to a valid L2 PT */
- pte_addr_l1 = hw_mmu_pte_addr_l1(l1_base_va, va);
- if (pte_addr_l1 <= (pt->l1_base_va + pt->l1_size)) {
- pte_val = *(u32 *) pte_addr_l1;
- pte_size = hw_mmu_pte_size_l1(pte_val);
- } else {
- return -EPERM;
- }
- spin_lock(&pt->pg_lock);
- if (pte_size == HW_MMU_COARSE_PAGE_SIZE) {
- /* Get the L2 PA from the L1 PTE, and find
- * corresponding L2 VA */
- l2_base_pa = hw_mmu_pte_coarse_l1(pte_val);
- l2_base_va =
- l2_base_pa - pt->l2_base_pa + pt->l2_base_va;
- l2_page_num =
- (l2_base_pa -
- pt->l2_base_pa) / HW_MMU_COARSE_PAGE_SIZE;
- } else if (pte_size == 0) {
- /* L1 PTE is invalid. Allocate a L2 PT and
- * point the L1 PTE to it */
- /* Find a free L2 PT. */
- for (i = 0; (i < pt->l2_num_pages) &&
- (pt->pg_info[i].num_entries != 0); i++)
- ;;
- if (i < pt->l2_num_pages) {
- l2_page_num = i;
- l2_base_pa = pt->l2_base_pa + (l2_page_num *
- HW_MMU_COARSE_PAGE_SIZE);
- l2_base_va = pt->l2_base_va + (l2_page_num *
- HW_MMU_COARSE_PAGE_SIZE);
- /* Endianness attributes are ignored for
- * HW_MMU_COARSE_PAGE_SIZE */
- status =
- hw_mmu_pte_set(l1_base_va, l2_base_pa, va,
- HW_MMU_COARSE_PAGE_SIZE,
- attrs);
- } else {
- status = -ENOMEM;
- }
- } else {
- /* Found valid L1 PTE of another size.
- * Should not overwrite it. */
- status = -EPERM;
- }
- if (!status) {
- pg_tbl_va = l2_base_va;
- if (size == HW_PAGE_SIZE64KB)
- pt->pg_info[l2_page_num].num_entries += 16;
- else
- pt->pg_info[l2_page_num].num_entries++;
- dev_dbg(bridge, "PTE: L2 BaseVa %x, BasePa %x, PageNum "
- "%x, num_entries %x\n", l2_base_va,
- l2_base_pa, l2_page_num,
- pt->pg_info[l2_page_num].num_entries);
- }
- spin_unlock(&pt->pg_lock);
- }
- if (!status) {
- dev_dbg(bridge, "PTE: pg_tbl_va %x, pa %x, va %x, size %x\n",
- pg_tbl_va, pa, va, size);
- dev_dbg(bridge, "PTE: endianism %x, element_size %x, "
- "mixed_size %x\n", attrs->endianism,
- attrs->element_size, attrs->mixed_size);
- status = hw_mmu_pte_set(pg_tbl_va, pa, va, size, attrs);
- }
-
- return status;
-}
-
-/* Memory map kernel VA -- memory allocated with vmalloc */
-static int mem_map_vmalloc(struct bridge_dev_context *dev_context,
- u32 ul_mpu_addr, u32 virt_addr,
- u32 ul_num_bytes,
- struct hw_mmu_map_attrs_t *hw_attrs)
-{
- int status = 0;
- struct page *page[1];
- u32 i;
- u32 pa_curr;
- u32 pa_next;
- u32 va_curr;
- u32 size_curr;
- u32 num_pages;
- u32 pa;
- u32 num_of4k_pages;
- u32 temp = 0;
-
- /*
- * Do Kernel va to pa translation.
- * Combine physically contiguous regions to reduce TLBs.
- * Pass the translated pa to pte_update.
- */
- num_pages = ul_num_bytes / PAGE_SIZE; /* PAGE_SIZE = OS page size */
- i = 0;
- va_curr = ul_mpu_addr;
- page[0] = vmalloc_to_page((void *)va_curr);
- pa_next = page_to_phys(page[0]);
- while (!status && (i < num_pages)) {
- /*
- * Reuse pa_next from the previous iteraion to avoid
- * an extra va2pa call
- */
- pa_curr = pa_next;
- size_curr = PAGE_SIZE;
- /*
- * If the next page is physically contiguous,
- * map it with the current one by increasing
- * the size of the region to be mapped
- */
- while (++i < num_pages) {
- page[0] =
- vmalloc_to_page((void *)(va_curr + size_curr));
- pa_next = page_to_phys(page[0]);
-
- if (pa_next == (pa_curr + size_curr))
- size_curr += PAGE_SIZE;
- else
- break;
-
- }
- if (pa_next == 0) {
- status = -ENOMEM;
- break;
- }
- pa = pa_curr;
- num_of4k_pages = size_curr / HW_PAGE_SIZE4KB;
- while (temp++ < num_of4k_pages) {
- get_page(PHYS_TO_PAGE(pa));
- pa += HW_PAGE_SIZE4KB;
- }
- status = pte_update(dev_context, pa_curr, virt_addr +
- (va_curr - ul_mpu_addr), size_curr,
- hw_attrs);
- va_curr += size_curr;
- }
- /*
- * In any case, flush the TLB
- * This is called from here instead from pte_update to avoid unnecessary
- * repetition while mapping non-contiguous physical regions of a virtual
- * region
- */
- flush_all(dev_context);
- dev_dbg(bridge, "%s status %x\n", __func__, status);
- return status;
-}
-
-/*
* ======== wait_for_start ========
* Wait for the singal from DSP that it has started, or time out.
*/
diff --git a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
index b789f8fdd89b..b57a9fd5e757 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
@@ -16,9 +16,13 @@
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+/* ----------------------------------- Host OS */
+#include <dspbridge/host_os.h>
+
+#include <plat/dsp.h>
+
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
-#include <dspbridge/cfg.h>
#include <dspbridge/drv.h>
#include <dspbridge/io_sm.h>
@@ -27,10 +31,6 @@
#include <dspbridge/dev.h>
#include <dspbridge/iodefs.h>
-/* ------------------------------------ Hardware Abstraction Layer */
-#include <hw_defs.h>
-#include <hw_mmu.h>
-
#include <dspbridge/pwr_sh.h>
/* ----------------------------------- Bridge Driver */
@@ -54,8 +54,8 @@ int handle_constraints_set(struct bridge_dev_context *dev_context,
{
#ifdef CONFIG_TIDSPBRIDGE_DVFS
u32 *constraint_val;
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
constraint_val = (u32 *) (pargs);
/* Read the target value requested by DSP */
@@ -83,8 +83,8 @@ int handle_hibernation_from_dsp(struct bridge_dev_context *dev_context)
u32 opplevel;
struct io_mgr *hio_mgr;
#endif
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
pwr_state = (*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST) &
OMAP_POWERSTATEST_MASK;
@@ -152,8 +152,8 @@ int sleep_dsp(struct bridge_dev_context *dev_context, u32 dw_cmd,
#endif /* CONFIG_TIDSPBRIDGE_NTFY_PWRERR */
u16 timeout = PWRSTST_TIMEOUT / 10;
u32 pwr_state, target_pwr_state;
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
/* Check if sleep code is valid */
if ((dw_cmd != PWR_DEEPSLEEP) && (dw_cmd != PWR_EMERGENCYDEEPSLEEP))
diff --git a/drivers/staging/tidspbridge/core/tiomap_io.c b/drivers/staging/tidspbridge/core/tiomap_io.c
index 190c028afe9b..66dbf02549e4 100644
--- a/drivers/staging/tidspbridge/core/tiomap_io.c
+++ b/drivers/staging/tidspbridge/core/tiomap_io.c
@@ -16,6 +16,8 @@
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#include <plat/dsp.h>
+
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
@@ -27,7 +29,6 @@
#include <dspbridge/drv.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/wdt.h>
/* ----------------------------------- specific to this file */
@@ -133,17 +134,16 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt,
if (!status) {
ul_tlb_base_virt =
- dev_context->atlb_entry[0].ul_dsp_va * DSPWORDSIZE;
+ dev_context->sh_s.seg0_da * DSPWORDSIZE;
DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt);
- dw_ext_prog_virt_mem =
- dev_context->atlb_entry[0].ul_gpp_va;
+ dw_ext_prog_virt_mem = dev_context->sh_s.seg0_va;
if (!trace_read) {
ul_shm_offset_virt =
ul_shm_base_virt - ul_tlb_base_virt;
ul_shm_offset_virt +=
PG_ALIGN_HIGH(ul_ext_end - ul_dyn_ext_base +
- 1, HW_PAGE_SIZE64KB);
+ 1, PAGE_SIZE * 16);
dw_ext_prog_virt_mem -= ul_shm_offset_virt;
dw_ext_prog_virt_mem +=
(ul_ext_base - ul_dyn_ext_base);
@@ -317,8 +317,9 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context,
ret = -EPERM;
if (!ret) {
- ul_tlb_base_virt =
- dev_context->atlb_entry[0].ul_dsp_va * DSPWORDSIZE;
+ ul_tlb_base_virt = dev_context->sh_s.seg0_da *
+ DSPWORDSIZE;
+
DBC_ASSERT(ul_tlb_base_virt <= ul_shm_base_virt);
if (symbols_reloaded) {
@@ -336,7 +337,7 @@ int write_ext_dsp_data(struct bridge_dev_context *dev_context,
ul_shm_base_virt - ul_tlb_base_virt;
if (trace_load) {
dw_ext_prog_virt_mem =
- dev_context->atlb_entry[0].ul_gpp_va;
+ dev_context->sh_s.seg0_va;
} else {
dw_ext_prog_virt_mem = host_res->dw_mem_base[1];
dw_ext_prog_virt_mem +=
@@ -388,11 +389,10 @@ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val)
#ifdef CONFIG_TIDSPBRIDGE_DVFS
u32 opplevel = 0;
#endif
- struct dspbridge_platform_data *pdata =
+ struct omap_dsp_platform_data *pdata =
omap_dspbridge_dev->dev.platform_data;
struct cfg_hostres *resources = dev_context->resources;
int status = 0;
- u32 temp;
if (!dev_context->mbox)
return 0;
@@ -436,7 +436,7 @@ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val)
omap_mbox_restore_ctx(dev_context->mbox);
/* Access MMU SYS CONFIG register to generate a short wakeup */
- temp = readl(resources->dw_dmmu_base + 0x10);
+ iommu_read_reg(dev_context->dsp_mmu, MMU_SYSCONFIG);
dev_context->dw_brd_state = BRD_RUNNING;
} else if (dev_context->dw_brd_state == BRD_RETENTION) {
diff --git a/drivers/staging/tidspbridge/core/ue_deh.c b/drivers/staging/tidspbridge/core/ue_deh.c
index 3430418190da..e24ea0c73914 100644
--- a/drivers/staging/tidspbridge/core/ue_deh.c
+++ b/drivers/staging/tidspbridge/core/ue_deh.c
@@ -31,57 +31,6 @@
#include <dspbridge/drv.h>
#include <dspbridge/wdt.h>
-static u32 fault_addr;
-
-static void mmu_fault_dpc(unsigned long data)
-{
- struct deh_mgr *deh = (void *)data;
-
- if (!deh)
- return;
-
- bridge_deh_notify(deh, DSP_MMUFAULT, 0);
-}
-
-static irqreturn_t mmu_fault_isr(int irq, void *data)
-{
- struct deh_mgr *deh = data;
- struct cfg_hostres *resources;
- u32 event;
-
- if (!deh)
- return IRQ_HANDLED;
-
- resources = deh->hbridge_context->resources;
- if (!resources) {
- dev_dbg(bridge, "%s: Failed to get Host Resources\n",
- __func__);
- return IRQ_HANDLED;
- }
-
- hw_mmu_event_status(resources->dw_dmmu_base, &event);
- if (event == HW_MMU_TRANSLATION_FAULT) {
- hw_mmu_fault_addr_read(resources->dw_dmmu_base, &fault_addr);
- dev_dbg(bridge, "%s: event=0x%x, fault_addr=0x%x\n", __func__,
- event, fault_addr);
- /*
- * Schedule a DPC directly. In the future, it may be
- * necessary to check if DSP MMU fault is intended for
- * Bridge.
- */
- tasklet_schedule(&deh->dpc_tasklet);
-
- /* Disable the MMU events, else once we clear it will
- * start to raise INTs again */
- hw_mmu_event_disable(resources->dw_dmmu_base,
- HW_MMU_TRANSLATION_FAULT);
- } else {
- hw_mmu_event_disable(resources->dw_dmmu_base,
- HW_MMU_ALL_INTERRUPTS);
- }
- return IRQ_HANDLED;
-}
-
int bridge_deh_create(struct deh_mgr **ret_deh,
struct dev_object *hdev_obj)
{
@@ -109,18 +58,9 @@ int bridge_deh_create(struct deh_mgr **ret_deh,
}
ntfy_init(deh->ntfy_obj);
- /* Create a MMUfault DPC */
- tasklet_init(&deh->dpc_tasklet, mmu_fault_dpc, (u32) deh);
-
/* Fill in context structure */
deh->hbridge_context = hbridge_context;
- /* Install ISR function for DSP MMU fault */
- status = request_irq(INT_DSP_MMU_IRQ, mmu_fault_isr, 0,
- "DspBridge\tiommu fault", deh);
- if (status < 0)
- goto err;
-
*ret_deh = deh;
return 0;
@@ -140,11 +80,6 @@ int bridge_deh_destroy(struct deh_mgr *deh)
ntfy_delete(deh->ntfy_obj);
kfree(deh->ntfy_obj);
}
- /* Disable DSP MMU fault */
- free_irq(INT_DSP_MMU_IRQ, deh);
-
- /* Free DPC object */
- tasklet_kill(&deh->dpc_tasklet);
/* Deallocate the DEH manager object */
kfree(deh);
@@ -166,48 +101,6 @@ int bridge_deh_register_notify(struct deh_mgr *deh, u32 event_mask,
return ntfy_unregister(deh->ntfy_obj, hnotification);
}
-#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
-static void mmu_fault_print_stack(struct bridge_dev_context *dev_context)
-{
- struct cfg_hostres *resources;
- struct hw_mmu_map_attrs_t map_attrs = {
- .endianism = HW_LITTLE_ENDIAN,
- .element_size = HW_ELEM_SIZE16BIT,
- .mixed_size = HW_MMU_CPUES,
- };
- void *dummy_va_addr;
-
- resources = dev_context->resources;
- dummy_va_addr = (void*)__get_free_page(GFP_ATOMIC);
-
- /*
- * Before acking the MMU fault, let's make sure MMU can only
- * access entry #0. Then add a new entry so that the DSP OS
- * can continue in order to dump the stack.
- */
- hw_mmu_twl_disable(resources->dw_dmmu_base);
- hw_mmu_tlb_flush_all(resources->dw_dmmu_base);
-
- hw_mmu_tlb_add(resources->dw_dmmu_base,
- virt_to_phys(dummy_va_addr), fault_addr,
- HW_PAGE_SIZE4KB, 1,
- &map_attrs, HW_SET, HW_SET);
-
- dsp_clk_enable(DSP_CLK_GPT8);
-
- dsp_gpt_wait_overflow(DSP_CLK_GPT8, 0xfffffffe);
-
- /* Clear MMU interrupt */
- hw_mmu_event_ack(resources->dw_dmmu_base,
- HW_MMU_TRANSLATION_FAULT);
- dump_dsp_stack(dev_context);
- dsp_clk_disable(DSP_CLK_GPT8);
-
- hw_mmu_disable(resources->dw_dmmu_base);
- free_page((unsigned long)dummy_va_addr);
-}
-#endif
-
static inline const char *event_to_string(int event)
{
switch (event) {
@@ -240,13 +133,7 @@ void bridge_deh_notify(struct deh_mgr *deh, int event, int info)
#endif
break;
case DSP_MMUFAULT:
- dev_err(bridge, "%s: %s, addr=0x%x", __func__,
- str, fault_addr);
-#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
- print_dsp_trace_buffer(dev_context);
- dump_dl_modules(dev_context);
- mmu_fault_print_stack(dev_context);
-#endif
+ dev_err(bridge, "%s: %s, addr=0x%x", __func__, str, info);
break;
default:
dev_err(bridge, "%s: %s", __func__, str);
diff --git a/drivers/staging/tidspbridge/gen/gb.c b/drivers/staging/tidspbridge/gen/gb.c
index 06eb3d361225..9f590230473b 100644
--- a/drivers/staging/tidspbridge/gen/gb.c
+++ b/drivers/staging/tidspbridge/gen/gb.c
@@ -15,7 +15,6 @@
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#include <linux/types.h>
/* ----------------------------------- DSP/BIOS Bridge */
#include <linux/types.h>
diff --git a/drivers/staging/tidspbridge/gen/gs.c b/drivers/staging/tidspbridge/gen/gs.c
index 9fc614439baa..8335bf5e2744 100644
--- a/drivers/staging/tidspbridge/gen/gs.c
+++ b/drivers/staging/tidspbridge/gen/gs.c
@@ -19,7 +19,6 @@
#include <linux/types.h>
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
-#include <linux/types.h>
/* ----------------------------------- This */
#include <dspbridge/gs.h>
diff --git a/drivers/staging/tidspbridge/hw/EasiGlobal.h b/drivers/staging/tidspbridge/hw/EasiGlobal.h
deleted file mode 100644
index e48d7f67c60a..000000000000
--- a/drivers/staging/tidspbridge/hw/EasiGlobal.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * EasiGlobal.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef _EASIGLOBAL_H
-#define _EASIGLOBAL_H
-#include <linux/types.h>
-
-/*
- * DEFINE: READ_ONLY, WRITE_ONLY & READ_WRITE
- *
- * DESCRIPTION: Defines used to describe register types for EASI-checker tests.
- */
-
-#define READ_ONLY 1
-#define WRITE_ONLY 2
-#define READ_WRITE 3
-
-/*
- * MACRO: _DEBUG_LEVEL1_EASI
- *
- * DESCRIPTION: A MACRO which can be used to indicate that a particular beach
- * register access function was called.
- *
- * NOTE: We currently dont use this functionality.
- */
-#define _DEBUG_LEVEL1_EASI(easi_num) ((void)0)
-
-#endif /* _EASIGLOBAL_H */
diff --git a/drivers/staging/tidspbridge/hw/MMUAccInt.h b/drivers/staging/tidspbridge/hw/MMUAccInt.h
deleted file mode 100644
index 1cefca321d71..000000000000
--- a/drivers/staging/tidspbridge/hw/MMUAccInt.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * MMUAccInt.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef _MMU_ACC_INT_H
-#define _MMU_ACC_INT_H
-
-/* Mappings of level 1 EASI function numbers to function names */
-
-#define EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32 (MMU_BASE_EASIL1 + 3)
-#define EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32 (MMU_BASE_EASIL1 + 17)
-#define EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32 (MMU_BASE_EASIL1 + 39)
-#define EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 51)
-#define EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32 (MMU_BASE_EASIL1 + 102)
-#define EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 103)
-#define EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32 (MMU_BASE_EASIL1 + 156)
-#define EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32 (MMU_BASE_EASIL1 + 174)
-#define EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 180)
-#define EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 190)
-#define EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32 (MMU_BASE_EASIL1 + 194)
-#define EASIL1_MMUMMU_TTB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 198)
-#define EASIL1_MMUMMU_LOCK_READ_REGISTER32 (MMU_BASE_EASIL1 + 203)
-#define EASIL1_MMUMMU_LOCK_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 204)
-#define EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32 (MMU_BASE_EASIL1 + 205)
-#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32 (MMU_BASE_EASIL1 + 209)
-#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32 (MMU_BASE_EASIL1 + 211)
-#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32 (MMU_BASE_EASIL1 + 212)
-#define EASIL1_MMUMMU_LD_TLB_READ_REGISTER32 (MMU_BASE_EASIL1 + 213)
-#define EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 214)
-#define EASIL1_MMUMMU_CAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 226)
-#define EASIL1_MMUMMU_RAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 268)
-#define EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 322)
-
-/* Register offset address definitions */
-#define MMU_MMU_SYSCONFIG_OFFSET 0x10
-#define MMU_MMU_IRQSTATUS_OFFSET 0x18
-#define MMU_MMU_IRQENABLE_OFFSET 0x1c
-#define MMU_MMU_WALKING_ST_OFFSET 0x40
-#define MMU_MMU_CNTL_OFFSET 0x44
-#define MMU_MMU_FAULT_AD_OFFSET 0x48
-#define MMU_MMU_TTB_OFFSET 0x4c
-#define MMU_MMU_LOCK_OFFSET 0x50
-#define MMU_MMU_LD_TLB_OFFSET 0x54
-#define MMU_MMU_CAM_OFFSET 0x58
-#define MMU_MMU_RAM_OFFSET 0x5c
-#define MMU_MMU_GFLUSH_OFFSET 0x60
-#define MMU_MMU_FLUSH_ENTRY_OFFSET 0x64
-/* Bitfield mask and offset declarations */
-#define MMU_MMU_SYSCONFIG_IDLE_MODE_MASK 0x18
-#define MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET 3
-#define MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK 0x1
-#define MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET 0
-#define MMU_MMU_WALKING_ST_TWL_RUNNING_MASK 0x1
-#define MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET 0
-#define MMU_MMU_CNTL_TWL_ENABLE_MASK 0x4
-#define MMU_MMU_CNTL_TWL_ENABLE_OFFSET 2
-#define MMU_MMU_CNTL_MMU_ENABLE_MASK 0x2
-#define MMU_MMU_CNTL_MMU_ENABLE_OFFSET 1
-#define MMU_MMU_LOCK_BASE_VALUE_MASK 0xfc00
-#define MMU_MMU_LOCK_BASE_VALUE_OFFSET 10
-#define MMU_MMU_LOCK_CURRENT_VICTIM_MASK 0x3f0
-#define MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET 4
-
-#endif /* _MMU_ACC_INT_H */
diff --git a/drivers/staging/tidspbridge/hw/MMURegAcM.h b/drivers/staging/tidspbridge/hw/MMURegAcM.h
deleted file mode 100644
index ab1a16da731c..000000000000
--- a/drivers/staging/tidspbridge/hw/MMURegAcM.h
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * MMURegAcM.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef _MMU_REG_ACM_H
-#define _MMU_REG_ACM_H
-
-#include <linux/io.h>
-#include <EasiGlobal.h>
-
-#include "MMUAccInt.h"
-
-#if defined(USE_LEVEL_1_MACROS)
-
-#define MMUMMU_SYSCONFIG_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32),\
- __raw_readl((base_address)+MMU_MMU_SYSCONFIG_OFFSET))
-
-#define MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32);\
- data &= ~(MMU_MMU_SYSCONFIG_IDLE_MODE_MASK);\
- new_value <<= MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET;\
- new_value &= MMU_MMU_SYSCONFIG_IDLE_MODE_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32);\
- data &= ~(MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK);\
- new_value <<= MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET;\
- new_value &= MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_IRQSTATUS_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(easil1_mmummu_irqstatus_read_register32),\
- __raw_readl((base_address)+MMU_MMU_IRQSTATUS_OFFSET))
-
-#define MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_IRQSTATUS_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_IRQENABLE_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32),\
- __raw_readl((base_address)+MMU_MMU_IRQENABLE_OFFSET))
-
-#define MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_IRQENABLE_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_WALKING_STTWL_RUNNING_READ32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32),\
- (((__raw_readl(((base_address)+(MMU_MMU_WALKING_ST_OFFSET))))\
- & MMU_MMU_WALKING_ST_TWL_RUNNING_MASK) >>\
- MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET))
-
-#define MMUMMU_CNTLTWL_ENABLE_READ32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32),\
- (((__raw_readl(((base_address)+(MMU_MMU_CNTL_OFFSET)))) &\
- MMU_MMU_CNTL_TWL_ENABLE_MASK) >>\
- MMU_MMU_CNTL_TWL_ENABLE_OFFSET))
-
-#define MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_CNTL_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32);\
- data &= ~(MMU_MMU_CNTL_TWL_ENABLE_MASK);\
- new_value <<= MMU_MMU_CNTL_TWL_ENABLE_OFFSET;\
- new_value &= MMU_MMU_CNTL_TWL_ENABLE_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_CNTL_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32);\
- data &= ~(MMU_MMU_CNTL_MMU_ENABLE_MASK);\
- new_value <<= MMU_MMU_CNTL_MMU_ENABLE_OFFSET;\
- new_value &= MMU_MMU_CNTL_MMU_ENABLE_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_FAULT_AD_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32),\
- __raw_readl((base_address)+MMU_MMU_FAULT_AD_OFFSET))
-
-#define MMUMMU_TTB_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_TTB_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_TTB_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_LOCK_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_READ_REGISTER32),\
- __raw_readl((base_address)+MMU_MMU_LOCK_OFFSET))
-
-#define MMUMMU_LOCK_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_LOCK_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_LOCK_BASE_VALUE_READ32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32),\
- (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\
- MMU_MMU_LOCK_BASE_VALUE_MASK) >>\
- MMU_MMU_LOCK_BASE_VALUE_OFFSET))
-
-#define MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_LOCK_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(easil1_mmummu_lock_base_value_write32);\
- data &= ~(MMU_MMU_LOCK_BASE_VALUE_MASK);\
- new_value <<= MMU_MMU_LOCK_BASE_VALUE_OFFSET;\
- new_value &= MMU_MMU_LOCK_BASE_VALUE_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_LOCK_CURRENT_VICTIM_READ32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32),\
- (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\
- MMU_MMU_LOCK_CURRENT_VICTIM_MASK) >>\
- MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET))
-
-#define MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_LOCK_OFFSET;\
- register u32 data = __raw_readl((base_address)+offset);\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32);\
- data &= ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK);\
- new_value <<= MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET;\
- new_value &= MMU_MMU_LOCK_CURRENT_VICTIM_MASK;\
- new_value |= data;\
- __raw_writel(new_value, base_address+offset);\
-}
-
-#define MMUMMU_LOCK_CURRENT_VICTIM_SET32(var, value)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32),\
- (((var) & ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK)) |\
- (((value) << MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET) &\
- MMU_MMU_LOCK_CURRENT_VICTIM_MASK)))
-
-#define MMUMMU_LD_TLB_READ_REGISTER32(base_address)\
- (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_READ_REGISTER32),\
- __raw_readl((base_address)+MMU_MMU_LD_TLB_OFFSET))
-
-#define MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_LD_TLB_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_CAM_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_CAM_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CAM_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_RAM_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_RAM_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_RAM_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#define MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, value)\
-{\
- const u32 offset = MMU_MMU_FLUSH_ENTRY_OFFSET;\
- register u32 new_value = (value);\
- _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32);\
- __raw_writel(new_value, (base_address)+offset);\
-}
-
-#endif /* USE_LEVEL_1_MACROS */
-
-#endif /* _MMU_REG_ACM_H */
diff --git a/drivers/staging/tidspbridge/hw/hw_defs.h b/drivers/staging/tidspbridge/hw/hw_defs.h
deleted file mode 100644
index d5266d4c163f..000000000000
--- a/drivers/staging/tidspbridge/hw/hw_defs.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * hw_defs.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Global HW definitions
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef _HW_DEFS_H
-#define _HW_DEFS_H
-
-/* Page size */
-#define HW_PAGE_SIZE4KB 0x1000
-#define HW_PAGE_SIZE64KB 0x10000
-#define HW_PAGE_SIZE1MB 0x100000
-#define HW_PAGE_SIZE16MB 0x1000000
-
-/* hw_status: return type for HW API */
-typedef long hw_status;
-
-/* Macro used to set and clear any bit */
-#define HW_CLEAR 0
-#define HW_SET 1
-
-/* hw_endianism_t: Enumerated Type used to specify the endianism
- * Do NOT change these values. They are used as bit fields. */
-enum hw_endianism_t {
- HW_LITTLE_ENDIAN,
- HW_BIG_ENDIAN
-};
-
-/* hw_element_size_t: Enumerated Type used to specify the element size
- * Do NOT change these values. They are used as bit fields. */
-enum hw_element_size_t {
- HW_ELEM_SIZE8BIT,
- HW_ELEM_SIZE16BIT,
- HW_ELEM_SIZE32BIT,
- HW_ELEM_SIZE64BIT
-};
-
-/* hw_idle_mode_t: Enumerated Type used to specify Idle modes */
-enum hw_idle_mode_t {
- HW_FORCE_IDLE,
- HW_NO_IDLE,
- HW_SMART_IDLE
-};
-
-#endif /* _HW_DEFS_H */
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c
deleted file mode 100644
index 014f5d5293ae..000000000000
--- a/drivers/staging/tidspbridge/hw/hw_mmu.c
+++ /dev/null
@@ -1,562 +0,0 @@
-/*
- * hw_mmu.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * API definitions to setup MMU TLB and PTE
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <linux/io.h>
-#include "MMURegAcM.h"
-#include <hw_defs.h>
-#include <hw_mmu.h>
-#include <linux/types.h>
-#include <linux/err.h>
-
-#define MMU_BASE_VAL_MASK 0xFC00
-#define MMU_PAGE_MAX 3
-#define MMU_ELEMENTSIZE_MAX 3
-#define MMU_ADDR_MASK 0xFFFFF000
-#define MMU_TTB_MASK 0xFFFFC000
-#define MMU_SECTION_ADDR_MASK 0xFFF00000
-#define MMU_SSECTION_ADDR_MASK 0xFF000000
-#define MMU_PAGE_TABLE_MASK 0xFFFFFC00
-#define MMU_LARGE_PAGE_MASK 0xFFFF0000
-#define MMU_SMALL_PAGE_MASK 0xFFFFF000
-
-#define MMU_LOAD_TLB 0x00000001
-#define MMU_GFLUSH 0x60
-
-/*
- * hw_mmu_page_size_t: Enumerated Type used to specify the MMU Page Size(SLSS)
- */
-enum hw_mmu_page_size_t {
- HW_MMU_SECTION,
- HW_MMU_LARGE_PAGE,
- HW_MMU_SMALL_PAGE,
- HW_MMU_SUPERSECTION
-};
-
-/*
- * FUNCTION : mmu_flush_entry
- *
- * INPUTS:
- *
- * Identifier : base_address
- * Type : const u32
- * Description : Base Address of instance of MMU module
- *
- * RETURNS:
- *
- * Type : hw_status
- * Description : 0 -- No errors occured
- * RET_BAD_NULL_PARAM -- A Pointer
- * Paramater was set to NULL
- *
- * PURPOSE: : Flush the TLB entry pointed by the
- * lock counter register
- * even if this entry is set protected
- *
- * METHOD: : Check the Input parameter and Flush a
- * single entry in the TLB.
- */
-static hw_status mmu_flush_entry(const void __iomem *base_address);
-
-/*
- * FUNCTION : mmu_set_cam_entry
- *
- * INPUTS:
- *
- * Identifier : base_address
- * TypE : const u32
- * Description : Base Address of instance of MMU module
- *
- * Identifier : page_sz
- * TypE : const u32
- * Description : It indicates the page size
- *
- * Identifier : preserved_bit
- * Type : const u32
- * Description : It indicates the TLB entry is preserved entry
- * or not
- *
- * Identifier : valid_bit
- * Type : const u32
- * Description : It indicates the TLB entry is valid entry or not
- *
- *
- * Identifier : virtual_addr_tag
- * Type : const u32
- * Description : virtual Address
- *
- * RETURNS:
- *
- * Type : hw_status
- * Description : 0 -- No errors occured
- * RET_BAD_NULL_PARAM -- A Pointer Paramater
- * was set to NULL
- * RET_PARAM_OUT_OF_RANGE -- Input Parameter out
- * of Range
- *
- * PURPOSE: : Set MMU_CAM reg
- *
- * METHOD: : Check the Input parameters and set the CAM entry.
- */
-static hw_status mmu_set_cam_entry(const void __iomem *base_address,
- const u32 page_sz,
- const u32 preserved_bit,
- const u32 valid_bit,
- const u32 virtual_addr_tag);
-
-/*
- * FUNCTION : mmu_set_ram_entry
- *
- * INPUTS:
- *
- * Identifier : base_address
- * Type : const u32
- * Description : Base Address of instance of MMU module
- *
- * Identifier : physical_addr
- * Type : const u32
- * Description : Physical Address to which the corresponding
- * virtual Address shouldpoint
- *
- * Identifier : endianism
- * Type : hw_endianism_t
- * Description : endianism for the given page
- *
- * Identifier : element_size
- * Type : hw_element_size_t
- * Description : The element size ( 8,16, 32 or 64 bit)
- *
- * Identifier : mixed_size
- * Type : hw_mmu_mixed_size_t
- * Description : Element Size to follow CPU or TLB
- *
- * RETURNS:
- *
- * Type : hw_status
- * Description : 0 -- No errors occured
- * RET_BAD_NULL_PARAM -- A Pointer Paramater
- * was set to NULL
- * RET_PARAM_OUT_OF_RANGE -- Input Parameter
- * out of Range
- *
- * PURPOSE: : Set MMU_CAM reg
- *
- * METHOD: : Check the Input parameters and set the RAM entry.
- */
-static hw_status mmu_set_ram_entry(const void __iomem *base_address,
- const u32 physical_addr,
- enum hw_endianism_t endianism,
- enum hw_element_size_t element_size,
- enum hw_mmu_mixed_size_t mixed_size);
-
-/* HW FUNCTIONS */
-
-hw_status hw_mmu_enable(const void __iomem *base_address)
-{
- hw_status status = 0;
-
- MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_SET);
-
- return status;
-}
-
-hw_status hw_mmu_disable(const void __iomem *base_address)
-{
- hw_status status = 0;
-
- MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_CLEAR);
-
- return status;
-}
-
-hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
- u32 num_locked_entries)
-{
- hw_status status = 0;
-
- MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, num_locked_entries);
-
- return status;
-}
-
-hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
- u32 victim_entry_num)
-{
- hw_status status = 0;
-
- MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, victim_entry_num);
-
- return status;
-}
-
-hw_status hw_mmu_event_ack(const void __iomem *base_address, u32 irq_mask)
-{
- hw_status status = 0;
-
- MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, irq_mask);
-
- return status;
-}
-
-hw_status hw_mmu_event_disable(const void __iomem *base_address, u32 irq_mask)
-{
- hw_status status = 0;
- u32 irq_reg;
-
- irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address);
-
- MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg & ~irq_mask);
-
- return status;
-}
-
-hw_status hw_mmu_event_enable(const void __iomem *base_address, u32 irq_mask)
-{
- hw_status status = 0;
- u32 irq_reg;
-
- irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address);
-
- MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg | irq_mask);
-
- return status;
-}
-
-hw_status hw_mmu_event_status(const void __iomem *base_address, u32 *irq_mask)
-{
- hw_status status = 0;
-
- *irq_mask = MMUMMU_IRQSTATUS_READ_REGISTER32(base_address);
-
- return status;
-}
-
-hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, u32 *addr)
-{
- hw_status status = 0;
-
- /* read values from register */
- *addr = MMUMMU_FAULT_AD_READ_REGISTER32(base_address);
-
- return status;
-}
-
-hw_status hw_mmu_ttb_set(const void __iomem *base_address, u32 ttb_phys_addr)
-{
- hw_status status = 0;
- u32 load_ttb;
-
- load_ttb = ttb_phys_addr & ~0x7FUL;
- /* write values to register */
- MMUMMU_TTB_WRITE_REGISTER32(base_address, load_ttb);
-
- return status;
-}
-
-hw_status hw_mmu_twl_enable(const void __iomem *base_address)
-{
- hw_status status = 0;
-
- MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_SET);
-
- return status;
-}
-
-hw_status hw_mmu_twl_disable(const void __iomem *base_address)
-{
- hw_status status = 0;
-
- MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_CLEAR);
-
- return status;
-}
-
-hw_status hw_mmu_tlb_flush(const void __iomem *base_address, u32 virtual_addr,
- u32 page_sz)
-{
- hw_status status = 0;
- u32 virtual_addr_tag;
- enum hw_mmu_page_size_t pg_size_bits;
-
- switch (page_sz) {
- case HW_PAGE_SIZE4KB:
- pg_size_bits = HW_MMU_SMALL_PAGE;
- break;
-
- case HW_PAGE_SIZE64KB:
- pg_size_bits = HW_MMU_LARGE_PAGE;
- break;
-
- case HW_PAGE_SIZE1MB:
- pg_size_bits = HW_MMU_SECTION;
- break;
-
- case HW_PAGE_SIZE16MB:
- pg_size_bits = HW_MMU_SUPERSECTION;
- break;
-
- default:
- return -EINVAL;
- }
-
- /* Generate the 20-bit tag from virtual address */
- virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12);
-
- mmu_set_cam_entry(base_address, pg_size_bits, 0, 0, virtual_addr_tag);
-
- mmu_flush_entry(base_address);
-
- return status;
-}
-
-hw_status hw_mmu_tlb_add(const void __iomem *base_address,
- u32 physical_addr,
- u32 virtual_addr,
- u32 page_sz,
- u32 entry_num,
- struct hw_mmu_map_attrs_t *map_attrs,
- s8 preserved_bit, s8 valid_bit)
-{
- hw_status status = 0;
- u32 lock_reg;
- u32 virtual_addr_tag;
- enum hw_mmu_page_size_t mmu_pg_size;
-
- /*Check the input Parameters */
- switch (page_sz) {
- case HW_PAGE_SIZE4KB:
- mmu_pg_size = HW_MMU_SMALL_PAGE;
- break;
-
- case HW_PAGE_SIZE64KB:
- mmu_pg_size = HW_MMU_LARGE_PAGE;
- break;
-
- case HW_PAGE_SIZE1MB:
- mmu_pg_size = HW_MMU_SECTION;
- break;
-
- case HW_PAGE_SIZE16MB:
- mmu_pg_size = HW_MMU_SUPERSECTION;
- break;
-
- default:
- return -EINVAL;
- }
-
- lock_reg = MMUMMU_LOCK_READ_REGISTER32(base_address);
-
- /* Generate the 20-bit tag from virtual address */
- virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12);
-
- /* Write the fields in the CAM Entry Register */
- mmu_set_cam_entry(base_address, mmu_pg_size, preserved_bit, valid_bit,
- virtual_addr_tag);
-
- /* Write the different fields of the RAM Entry Register */
- /* endianism of the page,Element Size of the page (8, 16, 32, 64 bit) */
- mmu_set_ram_entry(base_address, physical_addr, map_attrs->endianism,
- map_attrs->element_size, map_attrs->mixed_size);
-
- /* Update the MMU Lock Register */
- /* currentVictim between lockedBaseValue and (MMU_Entries_Number - 1) */
- MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, entry_num);
-
- /* Enable loading of an entry in TLB by writing 1
- into LD_TLB_REG register */
- MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, MMU_LOAD_TLB);
-
- MMUMMU_LOCK_WRITE_REGISTER32(base_address, lock_reg);
-
- return status;
-}
-
-hw_status hw_mmu_pte_set(const u32 pg_tbl_va,
- u32 physical_addr,
- u32 virtual_addr,
- u32 page_sz, struct hw_mmu_map_attrs_t *map_attrs)
-{
- hw_status status = 0;
- u32 pte_addr, pte_val;
- s32 num_entries = 1;
-
- switch (page_sz) {
- case HW_PAGE_SIZE4KB:
- pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
- virtual_addr &
- MMU_SMALL_PAGE_MASK);
- pte_val =
- ((physical_addr & MMU_SMALL_PAGE_MASK) |
- (map_attrs->endianism << 9) | (map_attrs->
- element_size << 4) |
- (map_attrs->mixed_size << 11) | 2);
- break;
-
- case HW_PAGE_SIZE64KB:
- num_entries = 16;
- pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
- virtual_addr &
- MMU_LARGE_PAGE_MASK);
- pte_val =
- ((physical_addr & MMU_LARGE_PAGE_MASK) |
- (map_attrs->endianism << 9) | (map_attrs->
- element_size << 4) |
- (map_attrs->mixed_size << 11) | 1);
- break;
-
- case HW_PAGE_SIZE1MB:
- pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
- virtual_addr &
- MMU_SECTION_ADDR_MASK);
- pte_val =
- ((((physical_addr & MMU_SECTION_ADDR_MASK) |
- (map_attrs->endianism << 15) | (map_attrs->
- element_size << 10) |
- (map_attrs->mixed_size << 17)) & ~0x40000) | 0x2);
- break;
-
- case HW_PAGE_SIZE16MB:
- num_entries = 16;
- pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
- virtual_addr &
- MMU_SSECTION_ADDR_MASK);
- pte_val =
- (((physical_addr & MMU_SSECTION_ADDR_MASK) |
- (map_attrs->endianism << 15) | (map_attrs->
- element_size << 10) |
- (map_attrs->mixed_size << 17)
- ) | 0x40000 | 0x2);
- break;
-
- case HW_MMU_COARSE_PAGE_SIZE:
- pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
- virtual_addr &
- MMU_SECTION_ADDR_MASK);
- pte_val = (physical_addr & MMU_PAGE_TABLE_MASK) | 1;
- break;
-
- default:
- return -EINVAL;
- }
-
- while (--num_entries >= 0)
- ((u32 *) pte_addr)[num_entries] = pte_val;
-
- return status;
-}
-
-hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 virtual_addr, u32 page_size)
-{
- hw_status status = 0;
- u32 pte_addr;
- s32 num_entries = 1;
-
- switch (page_size) {
- case HW_PAGE_SIZE4KB:
- pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
- virtual_addr &
- MMU_SMALL_PAGE_MASK);
- break;
-
- case HW_PAGE_SIZE64KB:
- num_entries = 16;
- pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
- virtual_addr &
- MMU_LARGE_PAGE_MASK);
- break;
-
- case HW_PAGE_SIZE1MB:
- case HW_MMU_COARSE_PAGE_SIZE:
- pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
- virtual_addr &
- MMU_SECTION_ADDR_MASK);
- break;
-
- case HW_PAGE_SIZE16MB:
- num_entries = 16;
- pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
- virtual_addr &
- MMU_SSECTION_ADDR_MASK);
- break;
-
- default:
- return -EINVAL;
- }
-
- while (--num_entries >= 0)
- ((u32 *) pte_addr)[num_entries] = 0;
-
- return status;
-}
-
-/* mmu_flush_entry */
-static hw_status mmu_flush_entry(const void __iomem *base_address)
-{
- hw_status status = 0;
- u32 flush_entry_data = 0x1;
-
- /* write values to register */
- MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, flush_entry_data);
-
- return status;
-}
-
-/* mmu_set_cam_entry */
-static hw_status mmu_set_cam_entry(const void __iomem *base_address,
- const u32 page_sz,
- const u32 preserved_bit,
- const u32 valid_bit,
- const u32 virtual_addr_tag)
-{
- hw_status status = 0;
- u32 mmu_cam_reg;
-
- mmu_cam_reg = (virtual_addr_tag << 12);
- mmu_cam_reg = (mmu_cam_reg) | (page_sz) | (valid_bit << 2) |
- (preserved_bit << 3);
-
- /* write values to register */
- MMUMMU_CAM_WRITE_REGISTER32(base_address, mmu_cam_reg);
-
- return status;
-}
-
-/* mmu_set_ram_entry */
-static hw_status mmu_set_ram_entry(const void __iomem *base_address,
- const u32 physical_addr,
- enum hw_endianism_t endianism,
- enum hw_element_size_t element_size,
- enum hw_mmu_mixed_size_t mixed_size)
-{
- hw_status status = 0;
- u32 mmu_ram_reg;
-
- mmu_ram_reg = (physical_addr & MMU_ADDR_MASK);
- mmu_ram_reg = (mmu_ram_reg) | ((endianism << 9) | (element_size << 7) |
- (mixed_size << 6));
-
- /* write values to register */
- MMUMMU_RAM_WRITE_REGISTER32(base_address, mmu_ram_reg);
-
- return status;
-
-}
-
-void hw_mmu_tlb_flush_all(const void __iomem *base)
-{
- __raw_writeb(1, base + MMU_GFLUSH);
-}
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h
deleted file mode 100644
index 1458a2c6027b..000000000000
--- a/drivers/staging/tidspbridge/hw/hw_mmu.h
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * hw_mmu.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * MMU types and API declarations
- *
- * Copyright (C) 2007 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef _HW_MMU_H
-#define _HW_MMU_H
-
-#include <linux/types.h>
-
-/* Bitmasks for interrupt sources */
-#define HW_MMU_TRANSLATION_FAULT 0x2
-#define HW_MMU_ALL_INTERRUPTS 0x1F
-
-#define HW_MMU_COARSE_PAGE_SIZE 0x400
-
-/* hw_mmu_mixed_size_t: Enumerated Type used to specify whether to follow
- CPU/TLB Element size */
-enum hw_mmu_mixed_size_t {
- HW_MMU_TLBES,
- HW_MMU_CPUES
-};
-
-/* hw_mmu_map_attrs_t: Struct containing MMU mapping attributes */
-struct hw_mmu_map_attrs_t {
- enum hw_endianism_t endianism;
- enum hw_element_size_t element_size;
- enum hw_mmu_mixed_size_t mixed_size;
- bool donotlockmpupage;
-};
-
-extern hw_status hw_mmu_enable(const void __iomem *base_address);
-
-extern hw_status hw_mmu_disable(const void __iomem *base_address);
-
-extern hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
- u32 num_locked_entries);
-
-extern hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
- u32 victim_entry_num);
-
-/* For MMU faults */
-extern hw_status hw_mmu_event_ack(const void __iomem *base_address,
- u32 irq_mask);
-
-extern hw_status hw_mmu_event_disable(const void __iomem *base_address,
- u32 irq_mask);
-
-extern hw_status hw_mmu_event_enable(const void __iomem *base_address,
- u32 irq_mask);
-
-extern hw_status hw_mmu_event_status(const void __iomem *base_address,
- u32 *irq_mask);
-
-extern hw_status hw_mmu_fault_addr_read(const void __iomem *base_address,
- u32 *addr);
-
-/* Set the TT base address */
-extern hw_status hw_mmu_ttb_set(const void __iomem *base_address,
- u32 ttb_phys_addr);
-
-extern hw_status hw_mmu_twl_enable(const void __iomem *base_address);
-
-extern hw_status hw_mmu_twl_disable(const void __iomem *base_address);
-
-extern hw_status hw_mmu_tlb_flush(const void __iomem *base_address,
- u32 virtual_addr, u32 page_sz);
-
-extern hw_status hw_mmu_tlb_add(const void __iomem *base_address,
- u32 physical_addr,
- u32 virtual_addr,
- u32 page_sz,
- u32 entry_num,
- struct hw_mmu_map_attrs_t *map_attrs,
- s8 preserved_bit, s8 valid_bit);
-
-/* For PTEs */
-extern hw_status hw_mmu_pte_set(const u32 pg_tbl_va,
- u32 physical_addr,
- u32 virtual_addr,
- u32 page_sz,
- struct hw_mmu_map_attrs_t *map_attrs);
-
-extern hw_status hw_mmu_pte_clear(const u32 pg_tbl_va,
- u32 virtual_addr, u32 page_size);
-
-void hw_mmu_tlb_flush_all(const void __iomem *base);
-
-static inline u32 hw_mmu_pte_addr_l1(u32 l1_base, u32 va)
-{
- u32 pte_addr;
- u32 va31_to20;
-
- va31_to20 = va >> (20 - 2); /* Left-shift by 2 here itself */
- va31_to20 &= 0xFFFFFFFCUL;
- pte_addr = l1_base + va31_to20;
-
- return pte_addr;
-}
-
-static inline u32 hw_mmu_pte_addr_l2(u32 l2_base, u32 va)
-{
- u32 pte_addr;
-
- pte_addr = (l2_base & 0xFFFFFC00) | ((va >> 10) & 0x3FC);
-
- return pte_addr;
-}
-
-static inline u32 hw_mmu_pte_coarse_l1(u32 pte_val)
-{
- u32 pte_coarse;
-
- pte_coarse = pte_val & 0xFFFFFC00;
-
- return pte_coarse;
-}
-
-static inline u32 hw_mmu_pte_size_l1(u32 pte_val)
-{
- u32 pte_size = 0;
-
- if ((pte_val & 0x3) == 0x1) {
- /* Points to L2 PT */
- pte_size = HW_MMU_COARSE_PAGE_SIZE;
- }
-
- if ((pte_val & 0x3) == 0x2) {
- if (pte_val & (1 << 18))
- pte_size = HW_PAGE_SIZE16MB;
- else
- pte_size = HW_PAGE_SIZE1MB;
- }
-
- return pte_size;
-}
-
-static inline u32 hw_mmu_pte_size_l2(u32 pte_val)
-{
- u32 pte_size = 0;
-
- if (pte_val & 0x2)
- pte_size = HW_PAGE_SIZE4KB;
- else if (pte_val & 0x1)
- pte_size = HW_PAGE_SIZE64KB;
-
- return pte_size;
-}
-
-#endif /* _HW_MMU_H */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfg.h b/drivers/staging/tidspbridge/include/dspbridge/cfg.h
deleted file mode 100644
index 05a8999070f8..000000000000
--- a/drivers/staging/tidspbridge/include/dspbridge/cfg.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/*
- * cfg.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * PM Configuration module.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef CFG_
-#define CFG_
-#include <dspbridge/host_os.h>
-#include <dspbridge/cfgdefs.h>
-
-/*
- * ======== cfg_exit ========
- * Purpose:
- * Discontinue usage of the CFG module.
- * Parameters:
- * Returns:
- * Requires:
- * cfg_init(void) was previously called.
- * Ensures:
- * Resources acquired in cfg_init(void) are freed.
- */
-extern void cfg_exit(void);
-
-/*
- * ======== cfg_get_auto_start ========
- * Purpose:
- * Retreive the autostart mask, if any, for this board.
- * Parameters:
- * dev_node_obj: Handle to the dev_node who's driver we are querying.
- * auto_start: Ptr to location for 32 bit autostart mask.
- * Returns:
- * 0: Success.
- * -EFAULT: dev_node_obj is invalid.
- * -ENODATA: Unable to retreive resource.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: *auto_start contains autostart mask for this devnode.
- */
-extern int cfg_get_auto_start(struct cfg_devnode *dev_node_obj,
- u32 *auto_start);
-
-/*
- * ======== cfg_get_cd_version ========
- * Purpose:
- * Retrieves the version of the PM Class Driver.
- * Parameters:
- * version: Ptr to u32 to contain version number upon return.
- * Returns:
- * 0: Success. version contains Class Driver version in
- * the form: 0xAABBCCDD where AABB is Major version and
- * CCDD is Minor.
- * -EPERM: Failure.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: Success.
- * else: *version is NULL.
- */
-extern int cfg_get_cd_version(u32 *version);
-
-/*
- * ======== cfg_get_dev_object ========
- * Purpose:
- * Retrieve the Device Object handle for a given devnode.
- * Parameters:
- * dev_node_obj: Platform's dev_node handle from which to retrieve
- * value.
- * value: Ptr to location to store the value.
- * Returns:
- * 0: Success.
- * -EFAULT: dev_node_obj is invalid or device_obj is invalid.
- * -ENODATA: The resource is not available.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: *value is set to the retrieved u32.
- * else: *value is set to 0L.
- */
-extern int cfg_get_dev_object(struct cfg_devnode *dev_node_obj,
- u32 *value);
-
-/*
- * ======== cfg_get_exec_file ========
- * Purpose:
- * Retreive the default executable, if any, for this board.
- * Parameters:
- * dev_node_obj: Handle to the dev_node who's driver we are querying.
- * buf_size: Size of buffer.
- * str_exec_file: Ptr to character buf to hold ExecFile.
- * Returns:
- * 0: Success.
- * -EFAULT: dev_node_obj is invalid or str_exec_file is invalid.
- * -ENODATA: The resource is not available.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: Not more than buf_size bytes were copied into str_exec_file,
- * and *str_exec_file contains default executable for this
- * devnode.
- */
-extern int cfg_get_exec_file(struct cfg_devnode *dev_node_obj,
- u32 buf_size, char *str_exec_file);
-
-/*
- * ======== cfg_get_object ========
- * Purpose:
- * Retrieve the Driver Object handle From the Registry
- * Parameters:
- * value: Ptr to location to store the value.
- * dw_type Type of Object to Get
- * Returns:
- * 0: Success.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: *value is set to the retrieved u32(non-Zero).
- * else: *value is set to 0L.
- */
-extern int cfg_get_object(u32 *value, u8 dw_type);
-
-/*
- * ======== cfg_get_perf_value ========
- * Purpose:
- * Retrieve a flag indicating whether PERF should log statistics for the
- * PM class driver.
- * Parameters:
- * enable_perf: Location to store flag. 0 indicates the key was
- * not found, or had a zero value. A nonzero value
- * means the key was found and had a nonzero value.
- * Returns:
- * Requires:
- * enable_perf != NULL;
- * Ensures:
- */
-extern void cfg_get_perf_value(bool *enable_perf);
-
-/*
- * ======== cfg_get_zl_file ========
- * Purpose:
- * Retreive the ZLFile, if any, for this board.
- * Parameters:
- * dev_node_obj: Handle to the dev_node who's driver we are querying.
- * buf_size: Size of buffer.
- * str_zl_file_name: Ptr to character buf to hold ZLFileName.
- * Returns:
- * 0: Success.
- * -EFAULT: str_zl_file_name is invalid or dev_node_obj is invalid.
- * -ENODATA: couldn't find the ZLFileName.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: Not more than buf_size bytes were copied into
- * str_zl_file_name, and *str_zl_file_name contains ZLFileName
- * for this devnode.
- */
-extern int cfg_get_zl_file(struct cfg_devnode *dev_node_obj,
- u32 buf_size, char *str_zl_file_name);
-
-/*
- * ======== cfg_init ========
- * Purpose:
- * Initialize the CFG module's private state.
- * Parameters:
- * Returns:
- * TRUE if initialized; FALSE if error occured.
- * Requires:
- * Ensures:
- * A requirement for each of the other public CFG functions.
- */
-extern bool cfg_init(void);
-
-/*
- * ======== cfg_set_dev_object ========
- * Purpose:
- * Store the Device Object handle for a given devnode.
- * Parameters:
- * dev_node_obj: Platform's dev_node handle we are storing value with.
- * value: Arbitrary value to store.
- * Returns:
- * 0: Success.
- * -EFAULT: dev_node_obj is invalid.
- * -EPERM: Internal Error.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: The Private u32 was successfully set.
- */
-extern int cfg_set_dev_object(struct cfg_devnode *dev_node_obj,
- u32 value);
-
-/*
- * ======== CFG_SetDrvObject ========
- * Purpose:
- * Store the Driver Object handle.
- * Parameters:
- * value: Arbitrary value to store.
- * dw_type Type of Object to Store
- * Returns:
- * 0: Success.
- * -EPERM: Internal Error.
- * Requires:
- * CFG initialized.
- * Ensures:
- * 0: The Private u32 was successfully set.
- */
-extern int cfg_set_object(u32 value, u8 dw_type);
-
-#endif /* CFG_ */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
index 38122dbf877a..dfb55cca34c7 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
@@ -68,7 +68,6 @@ struct cfg_hostres {
void __iomem *dw_per_base;
u32 dw_per_pm_base;
u32 dw_core_pm_base;
- void __iomem *dw_dmmu_base;
void __iomem *dw_sys_ctrl_base;
};
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmm.h b/drivers/staging/tidspbridge/include/dspbridge/cmm.h
index a921f1b6ee7f..6ad313fbc66d 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cmm.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/cmm.h
@@ -300,25 +300,6 @@ extern int cmm_xlator_create(struct cmm_xlatorobject **xlator,
struct cmm_xlatorattrs *xlator_attrs);
/*
- * ======== cmm_xlator_delete ========
- * Purpose:
- * Delete translator resources
- * Parameters:
- * xlator: handle to translator.
- * force: force = TRUE will free XLators SM buffers/dscriptrs.
- * Returns:
- * 0: Success.
- * -EFAULT: Bad translator handle.
- * -EPERM: Unable to free translator resources.
- * Requires:
- * refs > 0
- * Ensures:
- *
- */
-extern int cmm_xlator_delete(struct cmm_xlatorobject *xlator,
- bool force);
-
-/*
* ======== cmm_xlator_free_buf ========
* Purpose:
* Free SM buffer and descriptor.
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dev.h b/drivers/staging/tidspbridge/include/dspbridge/dev.h
index 357458fadd2a..9bdd48f57429 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/dev.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/dev.h
@@ -27,7 +27,6 @@
#include <dspbridge/nodedefs.h>
#include <dspbridge/dispdefs.h>
#include <dspbridge/dspdefs.h>
-#include <dspbridge/dmm.h>
#include <dspbridge/host_os.h>
/* ----------------------------------- This */
@@ -234,29 +233,6 @@ extern int dev_get_cmm_mgr(struct dev_object *hdev_obj,
struct cmm_object **mgr);
/*
- * ======== dev_get_dmm_mgr ========
- * Purpose:
- * Retrieve the handle to the dynamic memory manager created for this
- * device.
- * Parameters:
- * hdev_obj: Handle to device object created with
- * dev_create_device().
- * *mgr: Ptr to location to store handle.
- * Returns:
- * 0: Success.
- * -EFAULT: Invalid hdev_obj.
- * Requires:
- * mgr != NULL.
- * DEV Initialized.
- * Ensures:
- * 0: *mgr contains a handle to a channel manager object,
- * or NULL.
- * else: *mgr is NULL.
- */
-extern int dev_get_dmm_mgr(struct dev_object *hdev_obj,
- struct dmm_object **mgr);
-
-/*
* ======== dev_get_cod_mgr ========
* Purpose:
* Retrieve the COD manager create for this device.
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h
deleted file mode 100644
index 6c58335c5f60..000000000000
--- a/drivers/staging/tidspbridge/include/dspbridge/dmm.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * dmm.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address
- * space that can be directly mapped to any MPU buffer or memory region.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef DMM_
-#define DMM_
-
-#include <dspbridge/dbdefs.h>
-
-struct dmm_object;
-
-/* DMM attributes used in dmm_create() */
-struct dmm_mgrattrs {
- u32 reserved;
-};
-
-#define DMMPOOLSIZE 0x4000000
-
-/*
- * ======== dmm_get_handle ========
- * Purpose:
- * Return the dynamic memory manager object for this device.
- * This is typically called from the client process.
- */
-
-extern int dmm_get_handle(void *hprocessor,
- struct dmm_object **dmm_manager);
-
-extern int dmm_reserve_memory(struct dmm_object *dmm_mgr,
- u32 size, u32 *prsv_addr);
-
-extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr,
- u32 rsv_addr);
-
-extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr,
- u32 size);
-
-extern int dmm_un_map_memory(struct dmm_object *dmm_mgr,
- u32 addr, u32 *psize);
-
-extern int dmm_destroy(struct dmm_object *dmm_mgr);
-
-extern int dmm_delete_tables(struct dmm_object *dmm_mgr);
-
-extern int dmm_create(struct dmm_object **dmm_manager,
- struct dev_object *hdev_obj,
- const struct dmm_mgrattrs *mgr_attrts);
-
-extern bool dmm_init(void);
-
-extern void dmm_exit(void);
-
-extern int dmm_create_tables(struct dmm_object *dmm_mgr,
- u32 addr, u32 size);
-
-#ifdef DSP_DMM_DEBUG
-u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr);
-#endif
-
-#endif /* DMM_ */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h
index f3650153ef35..75a2c9b5c6f2 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/drv.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h
@@ -108,12 +108,6 @@ struct dmm_map_object {
struct bridge_dma_map_info dma_info;
};
-/* Used for DMM reserved memory accounting */
-struct dmm_rsv_object {
- struct list_head link;
- u32 dsp_reserved_addr;
-};
-
/* New structure (member of process context) abstracts DMM resource info */
struct dspheap_res_object {
s32 heap_allocated; /* DMM status */
@@ -165,10 +159,6 @@ struct process_context {
struct list_head dmm_map_list;
spinlock_t dmm_map_lock;
- /* DMM reserved memory resources */
- struct list_head dmm_rsv_list;
- spinlock_t dmm_rsv_lock;
-
/* DSP Heap resources */
struct dspheap_res_object *pdspheap_list;
@@ -193,7 +183,7 @@ struct process_context {
* Ensures:
* 0: - *drv_obj is a valid DRV interface to the device.
* - List of DevObject Created and Initialized.
- * - List of dev_node String created and intialized.
+ * - List of dev_node String created and initialized.
* - Registry is updated with the DRV Object.
* !0: DRV Object not created
* Details:
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h b/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h
new file mode 100644
index 000000000000..cb38d4cc0734
--- /dev/null
+++ b/drivers/staging/tidspbridge/include/dspbridge/dsp-mmu.h
@@ -0,0 +1,67 @@
+/*
+ * dsp-mmu.h
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * DSP iommu.
+ *
+ * Copyright (C) 2005-2010 Texas Instruments, Inc.
+ *
+ * This package 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.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef _DSP_MMU_
+#define _DSP_MMU_
+
+#include <plat/iommu.h>
+#include <plat/iovmm.h>
+
+/**
+ * dsp_mmu_init() - initialize dsp_mmu module and returns a handle
+ *
+ * This function initialize dsp mmu module and returns a struct iommu
+ * handle to use it for dsp maps.
+ *
+ */
+struct iommu *dsp_mmu_init(void);
+
+/**
+ * dsp_mmu_exit() - destroy dsp mmu module
+ * @mmu: Pointer to iommu handle.
+ *
+ * This function destroys dsp mmu module.
+ *
+ */
+void dsp_mmu_exit(struct iommu *mmu);
+
+/**
+ * user_to_dsp_map() - maps user to dsp virtual address
+ * @mmu: Pointer to iommu handle.
+ * @uva: Virtual user space address.
+ * @da DSP address
+ * @size Buffer size to map.
+ * @usr_pgs struct page array pointer where the user pages will be stored
+ *
+ * This function maps a user space buffer into DSP virtual address.
+ *
+ */
+u32 user_to_dsp_map(struct iommu *mmu, u32 uva, u32 da, u32 size,
+ struct page **usr_pgs);
+
+/**
+ * user_to_dsp_unmap() - unmaps DSP virtual buffer.
+ * @mmu: Pointer to iommu handle.
+ * @da DSP address
+ *
+ * This function unmaps a user space buffer into DSP virtual address.
+ *
+ */
+int user_to_dsp_unmap(struct iommu *mmu, u32 da);
+
+#endif
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h
index 0ae7d1646a1b..615363474810 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/dspdefs.h
@@ -162,48 +162,6 @@ typedef int(*fxn_brd_memwrite) (struct bridge_dev_context
u32 mem_type);
/*
- * ======== bridge_brd_mem_map ========
- * Purpose:
- * Map a MPU memory region to a DSP/IVA memory space
- * Parameters:
- * dev_ctxt: Handle to Bridge driver defined device info.
- * ul_mpu_addr: MPU memory region start address.
- * virt_addr: DSP/IVA memory region u8 address.
- * ul_num_bytes: Number of bytes to map.
- * map_attrs: Mapping attributes (e.g. endianness).
- * Returns:
- * 0: Success.
- * -EPERM: Other, unspecified error.
- * Requires:
- * dev_ctxt != NULL;
- * Ensures:
- */
-typedef int(*fxn_brd_memmap) (struct bridge_dev_context
- * dev_ctxt, u32 ul_mpu_addr,
- u32 virt_addr, u32 ul_num_bytes,
- u32 map_attr,
- struct page **mapped_pages);
-
-/*
- * ======== bridge_brd_mem_un_map ========
- * Purpose:
- * UnMap an MPU memory region from DSP/IVA memory space
- * Parameters:
- * dev_ctxt: Handle to Bridge driver defined device info.
- * virt_addr: DSP/IVA memory region u8 address.
- * ul_num_bytes: Number of bytes to unmap.
- * Returns:
- * 0: Success.
- * -EPERM: Other, unspecified error.
- * Requires:
- * dev_ctxt != NULL;
- * Ensures:
- */
-typedef int(*fxn_brd_memunmap) (struct bridge_dev_context
- * dev_ctxt,
- u32 virt_addr, u32 ul_num_bytes);
-
-/*
* ======== bridge_brd_stop ========
* Purpose:
* Bring board to the BRD_STOPPED state.
@@ -993,8 +951,6 @@ struct bridge_drv_interface {
fxn_brd_setstate pfn_brd_set_state; /* Sets the Board State */
fxn_brd_memcopy pfn_brd_mem_copy; /* Copies DSP Memory */
fxn_brd_memwrite pfn_brd_mem_write; /* Write DSP Memory w/o halt */
- fxn_brd_memmap pfn_brd_mem_map; /* Maps MPU mem to DSP mem */
- fxn_brd_memunmap pfn_brd_mem_un_map; /* Unmaps MPU mem to DSP mem */
fxn_chnl_create pfn_chnl_create; /* Create channel manager. */
fxn_chnl_destroy pfn_chnl_destroy; /* Destroy channel manager. */
fxn_chnl_open pfn_chnl_open; /* Create a new channel. */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
index 41e0594dff34..bad180108ada 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
@@ -19,10 +19,6 @@
#ifndef DSPIOCTL_
#define DSPIOCTL_
-/* ------------------------------------ Hardware Abstraction Layer */
-#include <hw_defs.h>
-#include <hw_mmu.h>
-
/*
* Any IOCTLS at or above this value are reserved for standard Bridge driver
* interfaces.
@@ -65,9 +61,6 @@ struct bridge_ioctl_extproc {
/* GPP virtual address. __va does not work for ioremapped addresses */
u32 ul_gpp_va;
u32 ul_size; /* Size of the mapped memory in bytes */
- enum hw_endianism_t endianism;
- enum hw_mmu_mixed_size_t mixed_mode;
- enum hw_element_size_t elem_size;
};
#endif /* DSPIOCTL_ */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/host_os.h b/drivers/staging/tidspbridge/include/dspbridge/host_os.h
index 6b4feb4d015a..6549898ac636 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/host_os.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/host_os.h
@@ -52,25 +52,6 @@
/* TODO -- Remove, once BP defines them */
#define INT_DSP_MMU_IRQ 28
-struct dspbridge_platform_data {
- void (*dsp_set_min_opp) (u8 opp_id);
- u8(*dsp_get_opp) (void);
- void (*cpu_set_freq) (unsigned long f);
- unsigned long (*cpu_get_freq) (void);
- unsigned long mpu_speed[6];
-
- /* functions to write and read PRCM registers */
- void (*dsp_prm_write)(u32, s16 , u16);
- u32 (*dsp_prm_read)(s16 , u16);
- u32 (*dsp_prm_rmw_bits)(u32, u32, s16, s16);
- void (*dsp_cm_write)(u32, s16 , u16);
- u32 (*dsp_cm_read)(s16 , u16);
- u32 (*dsp_cm_rmw_bits)(u32, u32, s16, s16);
-
- u32 phys_mempool_base;
- u32 phys_mempool_size;
-};
-
#define PRCM_VDD1 1
extern struct platform_device *omap_dspbridge_dev;
diff --git a/drivers/staging/tidspbridge/include/dspbridge/mgr.h b/drivers/staging/tidspbridge/include/dspbridge/mgr.h
index 99f7dc0116b5..e506c4d49472 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/mgr.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/mgr.h
@@ -192,7 +192,7 @@ extern int mgr_get_dcd_handle(struct mgr_object
* ======== mgr_init ========
* Purpose:
* Initialize MGR's private state, keeping a reference count on each
- * call. Intializes the DCD.
+ * call. Initializes the DCD.
* Parameters:
* Returns:
* TRUE if initialized; FALSE if error occured.
diff --git a/drivers/staging/tidspbridge/include/dspbridge/proc.h b/drivers/staging/tidspbridge/include/dspbridge/proc.h
index 5e09fd165d9d..2d12aab6b5bf 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/proc.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/proc.h
@@ -551,29 +551,6 @@ extern int proc_map(void *hprocessor,
struct process_context *pr_ctxt);
/*
- * ======== proc_reserve_memory ========
- * Purpose:
- * Reserve a virtually contiguous region of DSP address space.
- * Parameters:
- * hprocessor : The processor handle.
- * ul_size : Size of the address space to reserve.
- * pp_rsv_addr : Ptr to DSP side reserved u8 address.
- * Returns:
- * 0 : Success.
- * -EFAULT : Invalid processor handle.
- * -EPERM : General failure.
- * -ENOMEM : Cannot reserve chunk of this size.
- * Requires:
- * pp_rsv_addr is not NULL
- * PROC Initialized.
- * Ensures:
- * Details:
- */
-extern int proc_reserve_memory(void *hprocessor,
- u32 ul_size, void **pp_rsv_addr,
- struct process_context *pr_ctxt);
-
-/*
* ======== proc_un_map ========
* Purpose:
* Removes a MPU buffer mapping from the DSP address space.
@@ -595,27 +572,4 @@ extern int proc_reserve_memory(void *hprocessor,
extern int proc_un_map(void *hprocessor, void *map_addr,
struct process_context *pr_ctxt);
-/*
- * ======== proc_un_reserve_memory ========
- * Purpose:
- * Frees a previously reserved region of DSP address space.
- * Parameters:
- * hprocessor : The processor handle.
- * prsv_addr : Ptr to DSP side reservedBYTE address.
- * Returns:
- * 0 : Success.
- * -EFAULT : Invalid processor handle.
- * -EPERM : General failure.
- * -ENOENT : Cannot find a reserved region starting with this
- * : address.
- * Requires:
- * prsv_addr is not NULL
- * PROC Initialized.
- * Ensures:
- * Details:
- */
-extern int proc_un_reserve_memory(void *hprocessor,
- void *prsv_addr,
- struct process_context *pr_ctxt);
-
#endif /* PROC_ */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/services.h b/drivers/staging/tidspbridge/include/dspbridge/services.h
deleted file mode 100644
index eb26c867c931..000000000000
--- a/drivers/staging/tidspbridge/include/dspbridge/services.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * services.h
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Provide loading and unloading of SERVICES modules.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef SERVICES_
-#define SERVICES_
-
-#include <dspbridge/host_os.h>
-/*
- * ======== services_exit ========
- * Purpose:
- * Discontinue usage of module; free resources when reference count
- * reaches 0.
- * Parameters:
- * Returns:
- * Requires:
- * SERVICES initialized.
- * Ensures:
- * Resources used by module are freed when cRef reaches zero.
- */
-extern void services_exit(void);
-
-/*
- * ======== services_init ========
- * Purpose:
- * Initializes SERVICES modules.
- * Parameters:
- * Returns:
- * TRUE if all modules initialized; otherwise FALSE.
- * Requires:
- * Ensures:
- * SERVICES modules initialized.
- */
-extern bool services_init(void);
-
-#endif /* SERVICES_ */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/wdt.h b/drivers/staging/tidspbridge/include/dspbridge/wdt.h
index 4c00ba5fa5bf..36193db2e9a3 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/wdt.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/wdt.h
@@ -44,7 +44,7 @@ struct dsp_wdt_setting {
/**
* dsp_wdt_init() - initialize wdt3 module.
*
- * This function initilize to wdt3 module, so that
+ * This function initialize to wdt3 module, so that
* other wdt3 function can be used.
*/
int dsp_wdt_init(void);
diff --git a/drivers/staging/tidspbridge/pmgr/chnl.c b/drivers/staging/tidspbridge/pmgr/chnl.c
index 90317b58f8eb..78b0d0f303d7 100644
--- a/drivers/staging/tidspbridge/pmgr/chnl.c
+++ b/drivers/staging/tidspbridge/pmgr/chnl.c
@@ -28,7 +28,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/sync.h>
/* ----------------------------------- Platform Manager */
diff --git a/drivers/staging/tidspbridge/pmgr/cmm.c b/drivers/staging/tidspbridge/pmgr/cmm.c
index ce3dc8822afa..93a7c4fd57e4 100644
--- a/drivers/staging/tidspbridge/pmgr/cmm.c
+++ b/drivers/staging/tidspbridge/pmgr/cmm.c
@@ -38,7 +38,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/list.h>
#include <dspbridge/sync.h>
#include <dspbridge/utildefs.h>
@@ -969,23 +968,6 @@ int cmm_xlator_create(struct cmm_xlatorobject **xlator,
}
/*
- * ======== cmm_xlator_delete ========
- * Purpose:
- * Free the Xlator resources.
- * VM gets freed later.
- */
-int cmm_xlator_delete(struct cmm_xlatorobject *xlator, bool force)
-{
- struct cmm_xlator *xlator_obj = (struct cmm_xlator *)xlator;
-
- DBC_REQUIRE(refs > 0);
-
- kfree(xlator_obj);
-
- return 0;
-}
-
-/*
* ======== cmm_xlator_alloc_buf ========
*/
void *cmm_xlator_alloc_buf(struct cmm_xlatorobject *xlator, void *va_buf,
diff --git a/drivers/staging/tidspbridge/pmgr/dbll.c b/drivers/staging/tidspbridge/pmgr/dbll.c
index 23406386f61a..878aa50718ee 100644
--- a/drivers/staging/tidspbridge/pmgr/dbll.c
+++ b/drivers/staging/tidspbridge/pmgr/dbll.c
@@ -1501,7 +1501,7 @@ static void release(struct dynamic_loader_initialize *this)
#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
/**
* find_symbol_context - Basic symbol context structure
- * @address: Symbol Adress
+ * @address: Symbol Address
* @offset_range: Offset range where the search for the DSP symbol
* started.
* @cur_best_offset: Best offset to start looking for the DSP symbol
diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c
index 4ddf03d3b1ab..7b30267ef0e2 100644
--- a/drivers/staging/tidspbridge/pmgr/dev.c
+++ b/drivers/staging/tidspbridge/pmgr/dev.c
@@ -27,7 +27,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/ldr.h>
#include <dspbridge/list.h>
@@ -35,7 +34,6 @@
#include <dspbridge/cod.h>
#include <dspbridge/drv.h>
#include <dspbridge/proc.h>
-#include <dspbridge/dmm.h>
/* ----------------------------------- Resource Manager */
#include <dspbridge/mgr.h>
@@ -76,7 +74,6 @@ struct dev_object {
struct msg_mgr *hmsg_mgr; /* Message manager. */
struct io_mgr *hio_mgr; /* IO manager (CHNL, msg_ctrl) */
struct cmm_object *hcmm_mgr; /* SM memory manager. */
- struct dmm_object *dmm_mgr; /* Dynamic memory manager. */
struct ldr_module *module_obj; /* Bridge Module handle. */
u32 word_size; /* DSP word size: quick access. */
struct drv_object *hdrv_obj; /* Driver Object */
@@ -85,6 +82,11 @@ struct dev_object {
struct node_mgr *hnode_mgr;
};
+struct drv_ext {
+ struct list_head link;
+ char sz_string[MAXREGPATHLENGTH];
+};
+
/* ----------------------------------- Globals */
static u32 refs; /* Module reference count */
@@ -143,6 +145,7 @@ int dev_create_device(struct dev_object **device_obj,
struct io_attrs io_mgr_attrs;
u32 num_windows;
struct drv_object *hdrv_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
int status = 0;
DBC_REQUIRE(refs > 0);
DBC_REQUIRE(device_obj != NULL);
@@ -158,10 +161,15 @@ int dev_create_device(struct dev_object **device_obj,
/* Get the Bridge driver interface functions */
bridge_drv_entry(&drv_fxns, driver_file_name);
- if (cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT)) {
- /* don't propogate CFG errors from this PROC function */
+
+ /* Retrieve the Object handle from the driver data */
+ if (drv_datap && drv_datap->drv_object) {
+ hdrv_obj = drv_datap->drv_object;
+ } else {
status = -EPERM;
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
}
+
/* Create the device object, and pass a handle to the Bridge driver for
* storage. */
if (!status) {
@@ -240,9 +248,6 @@ int dev_create_device(struct dev_object **device_obj,
/* Instantiate the DEH module */
status = bridge_deh_create(&dev_obj->hdeh_mgr, dev_obj);
}
- /* Create DMM mgr . */
- status = dmm_create(&dev_obj->dmm_mgr,
- (struct dev_object *)dev_obj, NULL);
}
/* Add the new DEV_Object to the global list: */
if (!status) {
@@ -268,8 +273,6 @@ leave:
kfree(dev_obj->proc_list);
if (dev_obj->cod_mgr)
cod_delete(dev_obj->cod_mgr);
- if (dev_obj->dmm_mgr)
- dmm_destroy(dev_obj->dmm_mgr);
kfree(dev_obj);
}
@@ -379,11 +382,6 @@ int dev_destroy_device(struct dev_object *hdev_obj)
dev_obj->hcmm_mgr = NULL;
}
- if (dev_obj->dmm_mgr) {
- dmm_destroy(dev_obj->dmm_mgr);
- dev_obj->dmm_mgr = NULL;
- }
-
/* Call the driver's bridge_dev_destroy() function: */
/* Require of DevDestroy */
if (dev_obj->hbridge_context) {
@@ -464,32 +462,6 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj,
}
/*
- * ======== dev_get_dmm_mgr ========
- * Purpose:
- * Retrieve the handle to the dynamic memory manager created for this
- * device.
- */
-int dev_get_dmm_mgr(struct dev_object *hdev_obj,
- struct dmm_object **mgr)
-{
- int status = 0;
- struct dev_object *dev_obj = hdev_obj;
-
- DBC_REQUIRE(refs > 0);
- DBC_REQUIRE(mgr != NULL);
-
- if (hdev_obj) {
- *mgr = dev_obj->dmm_mgr;
- } else {
- *mgr = NULL;
- status = -EFAULT;
- }
-
- DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL));
- return status;
-}
-
-/*
* ======== dev_get_cod_mgr ========
* Purpose:
* Retrieve the COD manager create for this device.
@@ -741,10 +713,8 @@ void dev_exit(void)
refs--;
- if (refs == 0) {
+ if (refs == 0)
cmm_exit();
- dmm_exit();
- }
DBC_ENSURE(refs >= 0);
}
@@ -756,25 +726,12 @@ void dev_exit(void)
*/
bool dev_init(void)
{
- bool cmm_ret, dmm_ret, ret = true;
+ bool ret = true;
DBC_REQUIRE(refs >= 0);
- if (refs == 0) {
- cmm_ret = cmm_init();
- dmm_ret = dmm_init();
-
- ret = cmm_ret && dmm_ret;
-
- if (!ret) {
- if (cmm_ret)
- cmm_exit();
-
- if (dmm_ret)
- dmm_exit();
-
- }
- }
+ if (refs == 0)
+ ret = cmm_init();
if (ret)
refs++;
@@ -812,18 +769,31 @@ int dev_remove_device(struct cfg_devnode *dev_node_obj)
{
struct dev_object *hdev_obj; /* handle to device object */
int status = 0;
- struct dev_object *dev_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
+
+ if (!drv_datap)
+ status = -ENODATA;
+
+ if (!dev_node_obj)
+ status = -EFAULT;
/* Retrieve the device object handle originaly stored with
* the dev_node: */
- status = cfg_get_dev_object(dev_node_obj, (u32 *) &hdev_obj);
if (!status) {
- /* Remove the Processor List */
- dev_obj = (struct dev_object *)hdev_obj;
- /* Destroy the device object. */
- status = dev_destroy_device(hdev_obj);
+ /* check the device string and then store dev object */
+ if (!strcmp((char *)((struct drv_ext *)dev_node_obj)->sz_string,
+ "TIOMAP1510")) {
+ hdev_obj = drv_datap->dev_object;
+ /* Destroy the device object. */
+ status = dev_destroy_device(hdev_obj);
+ } else {
+ status = -EPERM;
+ }
}
+ if (status)
+ pr_err("%s: Failed, status 0x%x\n", __func__, status);
+
return status;
}
@@ -874,6 +844,7 @@ int dev_start_device(struct cfg_devnode *dev_node_obj)
char bridge_file_name[CFG_MAXSEARCHPATHLEN] = "UMA";
int status;
struct mgr_object *hmgr_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(refs > 0);
@@ -882,24 +853,27 @@ int dev_start_device(struct cfg_devnode *dev_node_obj)
dev_node_obj);
if (!status) {
/* Store away the hdev_obj with the DEVNODE */
- status = cfg_set_dev_object(dev_node_obj, (u32) hdev_obj);
+ if (!drv_datap || !dev_node_obj) {
+ status = -EFAULT;
+ pr_err("%s: Failed, status 0x%x\n", __func__, status);
+ } else if (!(strcmp((char *)dev_node_obj, "TIOMAP1510"))) {
+ drv_datap->dev_object = (void *) hdev_obj;
+ }
+ if (!status) {
+ /* Create the Manager Object */
+ status = mgr_create(&hmgr_obj, dev_node_obj);
+ if (status && !(strcmp((char *)dev_node_obj,
+ "TIOMAP1510"))) {
+ /* Ensure the device extension is NULL */
+ drv_datap->dev_object = NULL;
+ }
+ }
if (status) {
/* Clean up */
dev_destroy_device(hdev_obj);
hdev_obj = NULL;
}
}
- if (!status) {
- /* Create the Manager Object */
- status = mgr_create(&hmgr_obj, dev_node_obj);
- }
- if (status) {
- if (hdev_obj)
- dev_destroy_device(hdev_obj);
-
- /* Ensure the device extension is NULL */
- cfg_set_dev_object(dev_node_obj, 0L);
- }
return status;
}
@@ -1091,8 +1065,6 @@ static void store_interface_fxns(struct bridge_drv_interface *drv_fxns,
STORE_FXN(fxn_brd_setstate, pfn_brd_set_state);
STORE_FXN(fxn_brd_memcopy, pfn_brd_mem_copy);
STORE_FXN(fxn_brd_memwrite, pfn_brd_mem_write);
- STORE_FXN(fxn_brd_memmap, pfn_brd_mem_map);
- STORE_FXN(fxn_brd_memunmap, pfn_brd_mem_un_map);
STORE_FXN(fxn_chnl_create, pfn_chnl_create);
STORE_FXN(fxn_chnl_destroy, pfn_chnl_destroy);
STORE_FXN(fxn_chnl_open, pfn_chnl_open);
diff --git a/drivers/staging/tidspbridge/pmgr/dmm.c b/drivers/staging/tidspbridge/pmgr/dmm.c
deleted file mode 100644
index 8685233d7627..000000000000
--- a/drivers/staging/tidspbridge/pmgr/dmm.c
+++ /dev/null
@@ -1,533 +0,0 @@
-/*
- * dmm.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * The Dynamic Memory Manager (DMM) module manages the DSP Virtual address
- * space that can be directly mapped to any MPU buffer or memory region
- *
- * Notes:
- * Region: Generic memory entitiy having a start address and a size
- * Chunk: Reserved region
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-#include <linux/types.h>
-
-/* ----------------------------------- Host OS */
-#include <dspbridge/host_os.h>
-
-/* ----------------------------------- DSP/BIOS Bridge */
-#include <dspbridge/dbdefs.h>
-
-/* ----------------------------------- Trace & Debug */
-#include <dspbridge/dbc.h>
-
-/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/sync.h>
-
-/* ----------------------------------- Platform Manager */
-#include <dspbridge/dev.h>
-#include <dspbridge/proc.h>
-
-/* ----------------------------------- This */
-#include <dspbridge/dmm.h>
-
-/* ----------------------------------- Defines, Data Structures, Typedefs */
-#define DMM_ADDR_VIRTUAL(a) \
- (((struct map_page *)(a) - virtual_mapping_table) * PG_SIZE4K +\
- dyn_mem_map_beg)
-#define DMM_ADDR_TO_INDEX(a) (((a) - dyn_mem_map_beg) / PG_SIZE4K)
-
-/* DMM Mgr */
-struct dmm_object {
- /* Dmm Lock is used to serialize access mem manager for
- * multi-threads. */
- spinlock_t dmm_lock; /* Lock to access dmm mgr */
-};
-
-/* ----------------------------------- Globals */
-static u32 refs; /* module reference count */
-struct map_page {
- u32 region_size:15;
- u32 mapped_size:15;
- u32 reserved:1;
- u32 mapped:1;
-};
-
-/* Create the free list */
-static struct map_page *virtual_mapping_table;
-static u32 free_region; /* The index of free region */
-static u32 free_size;
-static u32 dyn_mem_map_beg; /* The Beginning of dynamic memory mapping */
-static u32 table_size; /* The size of virt and phys pages tables */
-
-/* ----------------------------------- Function Prototypes */
-static struct map_page *get_region(u32 addr);
-static struct map_page *get_free_region(u32 len);
-static struct map_page *get_mapped_region(u32 addrs);
-
-/* ======== dmm_create_tables ========
- * Purpose:
- * Create table to hold the information of physical address
- * the buffer pages that is passed by the user, and the table
- * to hold the information of the virtual memory that is reserved
- * for DSP.
- */
-int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size)
-{
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- int status = 0;
-
- status = dmm_delete_tables(dmm_obj);
- if (!status) {
- dyn_mem_map_beg = addr;
- table_size = PG_ALIGN_HIGH(size, PG_SIZE4K) / PG_SIZE4K;
- /* Create the free list */
- virtual_mapping_table = __vmalloc(table_size *
- sizeof(struct map_page), GFP_KERNEL |
- __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
- if (virtual_mapping_table == NULL)
- status = -ENOMEM;
- else {
- /* On successful allocation,
- * all entries are zero ('free') */
- free_region = 0;
- free_size = table_size * PG_SIZE4K;
- virtual_mapping_table[0].region_size = table_size;
- }
- }
-
- if (status)
- pr_err("%s: failure, status 0x%x\n", __func__, status);
-
- return status;
-}
-
-/*
- * ======== dmm_create ========
- * Purpose:
- * Create a dynamic memory manager object.
- */
-int dmm_create(struct dmm_object **dmm_manager,
- struct dev_object *hdev_obj,
- const struct dmm_mgrattrs *mgr_attrts)
-{
- struct dmm_object *dmm_obj = NULL;
- int status = 0;
- DBC_REQUIRE(refs > 0);
- DBC_REQUIRE(dmm_manager != NULL);
-
- *dmm_manager = NULL;
- /* create, zero, and tag a cmm mgr object */
- dmm_obj = kzalloc(sizeof(struct dmm_object), GFP_KERNEL);
- if (dmm_obj != NULL) {
- spin_lock_init(&dmm_obj->dmm_lock);
- *dmm_manager = dmm_obj;
- } else {
- status = -ENOMEM;
- }
-
- return status;
-}
-
-/*
- * ======== dmm_destroy ========
- * Purpose:
- * Release the communication memory manager resources.
- */
-int dmm_destroy(struct dmm_object *dmm_mgr)
-{
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- int status = 0;
-
- DBC_REQUIRE(refs > 0);
- if (dmm_mgr) {
- status = dmm_delete_tables(dmm_obj);
- if (!status)
- kfree(dmm_obj);
- } else
- status = -EFAULT;
-
- return status;
-}
-
-/*
- * ======== dmm_delete_tables ========
- * Purpose:
- * Delete DMM Tables.
- */
-int dmm_delete_tables(struct dmm_object *dmm_mgr)
-{
- int status = 0;
-
- DBC_REQUIRE(refs > 0);
- /* Delete all DMM tables */
- if (dmm_mgr)
- vfree(virtual_mapping_table);
- else
- status = -EFAULT;
- return status;
-}
-
-/*
- * ======== dmm_exit ========
- * Purpose:
- * Discontinue usage of module; free resources when reference count
- * reaches 0.
- */
-void dmm_exit(void)
-{
- DBC_REQUIRE(refs > 0);
-
- refs--;
-}
-
-/*
- * ======== dmm_get_handle ========
- * Purpose:
- * Return the dynamic memory manager object for this device.
- * This is typically called from the client process.
- */
-int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager)
-{
- int status = 0;
- struct dev_object *hdev_obj;
-
- DBC_REQUIRE(refs > 0);
- DBC_REQUIRE(dmm_manager != NULL);
- if (hprocessor != NULL)
- status = proc_get_dev_object(hprocessor, &hdev_obj);
- else
- hdev_obj = dev_get_first(); /* default */
-
- if (!status)
- status = dev_get_dmm_mgr(hdev_obj, dmm_manager);
-
- return status;
-}
-
-/*
- * ======== dmm_init ========
- * Purpose:
- * Initializes private state of DMM module.
- */
-bool dmm_init(void)
-{
- bool ret = true;
-
- DBC_REQUIRE(refs >= 0);
-
- if (ret)
- refs++;
-
- DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0)));
-
- virtual_mapping_table = NULL;
- table_size = 0;
-
- return ret;
-}
-
-/*
- * ======== dmm_map_memory ========
- * Purpose:
- * Add a mapping block to the reserved chunk. DMM assumes that this block
- * will be mapped in the DSP/IVA's address space. DMM returns an error if a
- * mapping overlaps another one. This function stores the info that will be
- * required later while unmapping the block.
- */
-int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 size)
-{
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- struct map_page *chunk;
- int status = 0;
-
- spin_lock(&dmm_obj->dmm_lock);
- /* Find the Reserved memory chunk containing the DSP block to
- * be mapped */
- chunk = (struct map_page *)get_region(addr);
- if (chunk != NULL) {
- /* Mark the region 'mapped', leave the 'reserved' info as-is */
- chunk->mapped = true;
- chunk->mapped_size = (size / PG_SIZE4K);
- } else
- status = -ENOENT;
- spin_unlock(&dmm_obj->dmm_lock);
-
- dev_dbg(bridge, "%s dmm_mgr %p, addr %x, size %x\n\tstatus %x, "
- "chunk %p", __func__, dmm_mgr, addr, size, status, chunk);
-
- return status;
-}
-
-/*
- * ======== dmm_reserve_memory ========
- * Purpose:
- * Reserve a chunk of virtually contiguous DSP/IVA address space.
- */
-int dmm_reserve_memory(struct dmm_object *dmm_mgr, u32 size,
- u32 *prsv_addr)
-{
- int status = 0;
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- struct map_page *node;
- u32 rsv_addr = 0;
- u32 rsv_size = 0;
-
- spin_lock(&dmm_obj->dmm_lock);
-
- /* Try to get a DSP chunk from the free list */
- node = get_free_region(size);
- if (node != NULL) {
- /* DSP chunk of given size is available. */
- rsv_addr = DMM_ADDR_VIRTUAL(node);
- /* Calculate the number entries to use */
- rsv_size = size / PG_SIZE4K;
- if (rsv_size < node->region_size) {
- /* Mark remainder of free region */
- node[rsv_size].mapped = false;
- node[rsv_size].reserved = false;
- node[rsv_size].region_size =
- node->region_size - rsv_size;
- node[rsv_size].mapped_size = 0;
- }
- /* get_region will return first fit chunk. But we only use what
- is requested. */
- node->mapped = false;
- node->reserved = true;
- node->region_size = rsv_size;
- node->mapped_size = 0;
- /* Return the chunk's starting address */
- *prsv_addr = rsv_addr;
- } else
- /*dSP chunk of given size is not available */
- status = -ENOMEM;
-
- spin_unlock(&dmm_obj->dmm_lock);
-
- dev_dbg(bridge, "%s dmm_mgr %p, size %x, prsv_addr %p\n\tstatus %x, "
- "rsv_addr %x, rsv_size %x\n", __func__, dmm_mgr, size,
- prsv_addr, status, rsv_addr, rsv_size);
-
- return status;
-}
-
-/*
- * ======== dmm_un_map_memory ========
- * Purpose:
- * Remove the mapped block from the reserved chunk.
- */
-int dmm_un_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 *psize)
-{
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- struct map_page *chunk;
- int status = 0;
-
- spin_lock(&dmm_obj->dmm_lock);
- chunk = get_mapped_region(addr);
- if (chunk == NULL)
- status = -ENOENT;
-
- if (!status) {
- /* Unmap the region */
- *psize = chunk->mapped_size * PG_SIZE4K;
- chunk->mapped = false;
- chunk->mapped_size = 0;
- }
- spin_unlock(&dmm_obj->dmm_lock);
-
- dev_dbg(bridge, "%s: dmm_mgr %p, addr %x, psize %p\n\tstatus %x, "
- "chunk %p\n", __func__, dmm_mgr, addr, psize, status, chunk);
-
- return status;
-}
-
-/*
- * ======== dmm_un_reserve_memory ========
- * Purpose:
- * Free a chunk of reserved DSP/IVA address space.
- */
-int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, u32 rsv_addr)
-{
- struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr;
- struct map_page *chunk;
- u32 i;
- int status = 0;
- u32 chunk_size;
-
- spin_lock(&dmm_obj->dmm_lock);
-
- /* Find the chunk containing the reserved address */
- chunk = get_mapped_region(rsv_addr);
- if (chunk == NULL)
- status = -ENOENT;
-
- if (!status) {
- /* Free all the mapped pages for this reserved region */
- i = 0;
- while (i < chunk->region_size) {
- if (chunk[i].mapped) {
- /* Remove mapping from the page tables. */
- chunk_size = chunk[i].mapped_size;
- /* Clear the mapping flags */
- chunk[i].mapped = false;
- chunk[i].mapped_size = 0;
- i += chunk_size;
- } else
- i++;
- }
- /* Clear the flags (mark the region 'free') */
- chunk->reserved = false;
- /* NOTE: We do NOT coalesce free regions here.
- * Free regions are coalesced in get_region(), as it traverses
- *the whole mapping table
- */
- }
- spin_unlock(&dmm_obj->dmm_lock);
-
- dev_dbg(bridge, "%s: dmm_mgr %p, rsv_addr %x\n\tstatus %x chunk %p",
- __func__, dmm_mgr, rsv_addr, status, chunk);
-
- return status;
-}
-
-/*
- * ======== get_region ========
- * Purpose:
- * Returns a region containing the specified memory region
- */
-static struct map_page *get_region(u32 addr)
-{
- struct map_page *curr_region = NULL;
- u32 i = 0;
-
- if (virtual_mapping_table != NULL) {
- /* find page mapped by this address */
- i = DMM_ADDR_TO_INDEX(addr);
- if (i < table_size)
- curr_region = virtual_mapping_table + i;
- }
-
- dev_dbg(bridge, "%s: curr_region %p, free_region %d, free_size %d\n",
- __func__, curr_region, free_region, free_size);
- return curr_region;
-}
-
-/*
- * ======== get_free_region ========
- * Purpose:
- * Returns the requested free region
- */
-static struct map_page *get_free_region(u32 len)
-{
- struct map_page *curr_region = NULL;
- u32 i = 0;
- u32 region_size = 0;
- u32 next_i = 0;
-
- if (virtual_mapping_table == NULL)
- return curr_region;
- if (len > free_size) {
- /* Find the largest free region
- * (coalesce during the traversal) */
- while (i < table_size) {
- region_size = virtual_mapping_table[i].region_size;
- next_i = i + region_size;
- if (virtual_mapping_table[i].reserved == false) {
- /* Coalesce, if possible */
- if (next_i < table_size &&
- virtual_mapping_table[next_i].reserved
- == false) {
- virtual_mapping_table[i].region_size +=
- virtual_mapping_table
- [next_i].region_size;
- continue;
- }
- region_size *= PG_SIZE4K;
- if (region_size > free_size) {
- free_region = i;
- free_size = region_size;
- }
- }
- i = next_i;
- }
- }
- if (len <= free_size) {
- curr_region = virtual_mapping_table + free_region;
- free_region += (len / PG_SIZE4K);
- free_size -= len;
- }
- return curr_region;
-}
-
-/*
- * ======== get_mapped_region ========
- * Purpose:
- * Returns the requestedmapped region
- */
-static struct map_page *get_mapped_region(u32 addrs)
-{
- u32 i = 0;
- struct map_page *curr_region = NULL;
-
- if (virtual_mapping_table == NULL)
- return curr_region;
-
- i = DMM_ADDR_TO_INDEX(addrs);
- if (i < table_size && (virtual_mapping_table[i].mapped ||
- virtual_mapping_table[i].reserved))
- curr_region = virtual_mapping_table + i;
- return curr_region;
-}
-
-#ifdef DSP_DMM_DEBUG
-u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr)
-{
- struct map_page *curr_node = NULL;
- u32 i;
- u32 freemem = 0;
- u32 bigsize = 0;
-
- spin_lock(&dmm_mgr->dmm_lock);
-
- if (virtual_mapping_table != NULL) {
- for (i = 0; i < table_size; i +=
- virtual_mapping_table[i].region_size) {
- curr_node = virtual_mapping_table + i;
- if (curr_node->reserved) {
- /*printk("RESERVED size = 0x%x, "
- "Map size = 0x%x\n",
- (curr_node->region_size * PG_SIZE4K),
- (curr_node->mapped == false) ? 0 :
- (curr_node->mapped_size * PG_SIZE4K));
- */
- } else {
-/* printk("UNRESERVED size = 0x%x\n",
- (curr_node->region_size * PG_SIZE4K));
- */
- freemem += (curr_node->region_size * PG_SIZE4K);
- if (curr_node->region_size > bigsize)
- bigsize = curr_node->region_size;
- }
- }
- }
- spin_unlock(&dmm_mgr->dmm_lock);
- printk(KERN_INFO "Total DSP VA FREE memory = %d Mbytes\n",
- freemem / (1024 * 1024));
- printk(KERN_INFO "Total DSP VA USED memory= %d Mbytes \n",
- (((table_size * PG_SIZE4K) - freemem)) / (1024 * 1024));
- printk(KERN_INFO "DSP VA - Biggest FREE block = %d Mbytes \n\n",
- (bigsize * PG_SIZE4K / (1024 * 1024)));
-
- return 0;
-}
-#endif
diff --git a/drivers/staging/tidspbridge/pmgr/dspapi.c b/drivers/staging/tidspbridge/pmgr/dspapi.c
index 7b42f72a97b2..981551ce4d78 100644
--- a/drivers/staging/tidspbridge/pmgr/dspapi.c
+++ b/drivers/staging/tidspbridge/pmgr/dspapi.c
@@ -28,9 +28,7 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/ntfy.h>
-#include <dspbridge/services.h>
/* ----------------------------------- Platform Manager */
#include <dspbridge/chnl.h>
@@ -381,8 +379,8 @@ int api_init_complete2(void)
int status = 0;
struct cfg_devnode *dev_node;
struct dev_object *hdev_obj;
+ struct drv_data *drv_datap;
u8 dev_type;
- u32 tmp;
DBC_REQUIRE(api_c_refs > 0);
@@ -397,10 +395,12 @@ int api_init_complete2(void)
if (dev_get_dev_type(hdev_obj, &dev_type))
continue;
- if ((dev_type == DSP_UNIT) || (dev_type == IVA_UNIT))
- if (cfg_get_auto_start(dev_node, &tmp) == 0
- && tmp)
+ if ((dev_type == DSP_UNIT) || (dev_type == IVA_UNIT)) {
+ drv_datap = dev_get_drvdata(bridge);
+
+ if (drv_datap && drv_datap->base_img)
proc_auto_start(dev_node, hdev_obj);
+ }
}
return status;
@@ -493,8 +493,10 @@ u32 mgrwrap_register_object(union trapped_args *args, void *pr_ctxt)
args->args_mgr_registerobject.psz_path_name) +
1;
psz_path_name = kmalloc(path_size, GFP_KERNEL);
- if (!psz_path_name)
+ if (!psz_path_name) {
+ status = -ENOMEM;
goto func_end;
+ }
ret = strncpy_from_user(psz_path_name,
(char *)args->args_mgr_registerobject.
psz_path_name, path_size);
@@ -503,8 +505,10 @@ u32 mgrwrap_register_object(union trapped_args *args, void *pr_ctxt)
goto func_end;
}
- if (args->args_mgr_registerobject.obj_type >= DSP_DCDMAXOBJTYPE)
- return -EINVAL;
+ if (args->args_mgr_registerobject.obj_type >= DSP_DCDMAXOBJTYPE) {
+ status = -EINVAL;
+ goto func_end;
+ }
status = dcd_register_object(&uuid_obj,
args->args_mgr_registerobject.obj_type,
@@ -872,7 +876,11 @@ u32 procwrap_load(union trapped_args *args, void *pr_ctxt)
/* number of elements in the envp array including NULL */
count = 0;
do {
- get_user(temp, args->args_proc_load.user_envp + count);
+ if (get_user(temp,
+ args->args_proc_load.user_envp + count)) {
+ status = -EFAULT;
+ goto func_cont;
+ }
count++;
} while (temp);
envp = kmalloc(count * sizeof(u8 *), GFP_KERNEL);
@@ -985,27 +993,10 @@ u32 procwrap_register_notify(union trapped_args *args, void *pr_ctxt)
/*
* ======== procwrap_reserve_memory ========
*/
-u32 procwrap_reserve_memory(union trapped_args *args, void *pr_ctxt)
+u32 __deprecated procwrap_reserve_memory(union trapped_args *args,
+ void *pr_ctxt)
{
- int status;
- void *prsv_addr;
- void *hprocessor = ((struct process_context *)pr_ctxt)->hprocessor;
-
- if ((args->args_proc_rsvmem.ul_size <= 0) ||
- (args->args_proc_rsvmem.ul_size & (PG_SIZE4K - 1)) != 0)
- return -EINVAL;
-
- status = proc_reserve_memory(hprocessor,
- args->args_proc_rsvmem.ul_size, &prsv_addr,
- pr_ctxt);
- if (!status) {
- if (put_user(prsv_addr, args->args_proc_rsvmem.pp_rsv_addr)) {
- status = -EINVAL;
- proc_un_reserve_memory(args->args_proc_rsvmem.
- hprocessor, prsv_addr, pr_ctxt);
- }
- }
- return status;
+ return 0;
}
/*
@@ -1034,15 +1025,10 @@ u32 procwrap_un_map(union trapped_args *args, void *pr_ctxt)
/*
* ======== procwrap_un_reserve_memory ========
*/
-u32 procwrap_un_reserve_memory(union trapped_args *args, void *pr_ctxt)
+u32 __deprecated procwrap_un_reserve_memory(union trapped_args *args,
+ void *pr_ctxt)
{
- int status;
- void *hprocessor = ((struct process_context *)pr_ctxt)->hprocessor;
-
- status = proc_un_reserve_memory(hprocessor,
- args->args_proc_unrsvmem.prsv_addr,
- pr_ctxt);
- return status;
+ return 0;
}
/*
diff --git a/drivers/staging/tidspbridge/pmgr/io.c b/drivers/staging/tidspbridge/pmgr/io.c
index 7970fe55648e..20cbb9fe40c2 100644
--- a/drivers/staging/tidspbridge/pmgr/io.c
+++ b/drivers/staging/tidspbridge/pmgr/io.c
@@ -26,9 +26,6 @@
/* ----------------------------------- Trace & Debug */
#include <dspbridge/dbc.h>
-/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
-
/* ----------------------------------- Platform Manager */
#include <dspbridge/dev.h>
diff --git a/drivers/staging/tidspbridge/rmgr/dbdcd.c b/drivers/staging/tidspbridge/rmgr/dbdcd.c
index f71e8606f953..3581a55ed4dd 100644
--- a/drivers/staging/tidspbridge/rmgr/dbdcd.c
+++ b/drivers/staging/tidspbridge/rmgr/dbdcd.c
@@ -487,6 +487,10 @@ int dcd_get_object_def(struct dcd_manager *hdcd_mgr,
/* Allocate zeroed buffer. */
psz_coff_buf = kzalloc(ul_len + 4, GFP_KERNEL);
+ if (psz_coff_buf == NULL) {
+ status = -ENOMEM;
+ goto func_end;
+ }
#ifdef _DB_TIOMAP
if (strstr(dcd_key->path, "iva") == NULL) {
/* Locate section by objectID and read its content. */
@@ -571,6 +575,10 @@ int dcd_get_objects(struct dcd_manager *hdcd_mgr,
/* Allocate zeroed buffer. */
psz_coff_buf = kzalloc(ul_len + 4, GFP_KERNEL);
+ if (psz_coff_buf == NULL) {
+ status = -ENOMEM;
+ goto func_cont;
+ }
#ifdef _DB_TIOMAP
if (strstr(sz_coff_path, "iva") == NULL) {
/* Locate section by objectID and read its content. */
diff --git a/drivers/staging/tidspbridge/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c
index 8a8dea6efeda..91cc168516e5 100644
--- a/drivers/staging/tidspbridge/rmgr/drv.c
+++ b/drivers/staging/tidspbridge/rmgr/drv.c
@@ -27,7 +27,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/list.h>
/* ----------------------------------- This */
@@ -147,7 +146,6 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt)
struct process_context *ctxt = (struct process_context *)process_ctxt;
int status = 0;
struct dmm_map_object *temp_map, *map_obj;
- struct dmm_rsv_object *temp_rsv, *rsv_obj;
/* Free DMM mapped memory resources */
list_for_each_entry_safe(map_obj, temp_map, &ctxt->dmm_map_list, link) {
@@ -157,16 +155,6 @@ int drv_remove_all_dmm_res_elements(void *process_ctxt)
pr_err("%s: proc_un_map failed!"
" status = 0x%xn", __func__, status);
}
-
- /* Free DMM reserved memory resources */
- list_for_each_entry_safe(rsv_obj, temp_rsv, &ctxt->dmm_rsv_list, link) {
- status = proc_un_reserve_memory(ctxt->hprocessor, (void *)
- rsv_obj->dsp_reserved_addr,
- ctxt);
- if (status)
- pr_err("%s: proc_un_reserve_memory failed!"
- " status = 0x%xn", __func__, status);
- }
return status;
}
@@ -309,6 +297,7 @@ int drv_create(struct drv_object **drv_obj)
{
int status = 0;
struct drv_object *pdrv_object = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(drv_obj != NULL);
DBC_REQUIRE(refs > 0);
@@ -335,9 +324,16 @@ int drv_create(struct drv_object **drv_obj)
} else {
status = -ENOMEM;
}
- /* Store the DRV Object in the Registry */
- if (!status)
- status = cfg_set_object((u32) pdrv_object, REG_DRV_OBJECT);
+ /* Store the DRV Object in the driver data */
+ if (!status) {
+ if (drv_datap) {
+ drv_datap->drv_object = (void *)pdrv_object;
+ } else {
+ status = -EPERM;
+ pr_err("%s: Failed to store DRV object\n", __func__);
+ }
+ }
+
if (!status) {
*drv_obj = pdrv_object;
} else {
@@ -374,6 +370,7 @@ int drv_destroy(struct drv_object *driver_obj)
{
int status = 0;
struct drv_object *pdrv_object = (struct drv_object *)driver_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(refs > 0);
DBC_REQUIRE(pdrv_object);
@@ -386,8 +383,13 @@ int drv_destroy(struct drv_object *driver_obj)
kfree(pdrv_object->dev_list);
kfree(pdrv_object->dev_node_string);
kfree(pdrv_object);
- /* Update the DRV Object in Registry to be 0 */
- (void)cfg_set_object(0, REG_DRV_OBJECT);
+ /* Update the DRV Object in the driver data */
+ if (drv_datap) {
+ drv_datap->drv_object = NULL;
+ } else {
+ status = -EPERM;
+ pr_err("%s: Failed to store DRV object\n", __func__);
+ }
return status;
}
@@ -438,11 +440,15 @@ u32 drv_get_first_dev_object(void)
{
u32 dw_dev_object = 0;
struct drv_object *pdrv_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
- if (!cfg_get_object((u32 *) &pdrv_obj, REG_DRV_OBJECT)) {
+ if (drv_datap && drv_datap->drv_object) {
+ pdrv_obj = drv_datap->drv_object;
if ((pdrv_obj->dev_list != NULL) &&
!LST_IS_EMPTY(pdrv_obj->dev_list))
dw_dev_object = (u32) lst_first(pdrv_obj->dev_list);
+ } else {
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
}
return dw_dev_object;
@@ -458,14 +464,17 @@ u32 drv_get_first_dev_extension(void)
{
u32 dw_dev_extension = 0;
struct drv_object *pdrv_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
- if (!cfg_get_object((u32 *) &pdrv_obj, REG_DRV_OBJECT)) {
-
+ if (drv_datap && drv_datap->drv_object) {
+ pdrv_obj = drv_datap->drv_object;
if ((pdrv_obj->dev_node_string != NULL) &&
!LST_IS_EMPTY(pdrv_obj->dev_node_string)) {
dw_dev_extension =
(u32) lst_first(pdrv_obj->dev_node_string);
}
+ } else {
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
}
return dw_dev_extension;
@@ -482,18 +491,22 @@ u32 drv_get_next_dev_object(u32 hdev_obj)
{
u32 dw_next_dev_object = 0;
struct drv_object *pdrv_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(hdev_obj != 0);
- if (!cfg_get_object((u32 *) &pdrv_obj, REG_DRV_OBJECT)) {
-
+ if (drv_datap && drv_datap->drv_object) {
+ pdrv_obj = drv_datap->drv_object;
if ((pdrv_obj->dev_list != NULL) &&
!LST_IS_EMPTY(pdrv_obj->dev_list)) {
dw_next_dev_object = (u32) lst_next(pdrv_obj->dev_list,
(struct list_head *)
hdev_obj);
}
+ } else {
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
}
+
return dw_next_dev_object;
}
@@ -509,16 +522,20 @@ u32 drv_get_next_dev_extension(u32 dev_extension)
{
u32 dw_dev_extension = 0;
struct drv_object *pdrv_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(dev_extension != 0);
- if (!cfg_get_object((u32 *) &pdrv_obj, REG_DRV_OBJECT)) {
+ if (drv_datap && drv_datap->drv_object) {
+ pdrv_obj = drv_datap->drv_object;
if ((pdrv_obj->dev_node_string != NULL) &&
!LST_IS_EMPTY(pdrv_obj->dev_node_string)) {
dw_dev_extension =
(u32) lst_next(pdrv_obj->dev_node_string,
(struct list_head *)dev_extension);
}
+ } else {
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
}
return dw_dev_extension;
@@ -616,6 +633,7 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg)
int status = 0;
struct drv_object *pdrv_object;
struct drv_ext *pszdev_node;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(dw_context != 0);
DBC_REQUIRE(dev_node_strg != NULL);
@@ -626,7 +644,11 @@ int drv_request_resources(u32 dw_context, u32 *dev_node_strg)
* list.
*/
- status = cfg_get_object((u32 *) &pdrv_object, REG_DRV_OBJECT);
+ if (!drv_datap || !drv_datap->drv_object)
+ status = -ENODATA;
+ else
+ pdrv_object = drv_datap->drv_object;
+
if (!status) {
pszdev_node = kzalloc(sizeof(struct drv_ext), GFP_KERNEL);
if (pszdev_node) {
@@ -710,7 +732,6 @@ static int request_bridge_resources(struct cfg_hostres *res)
host_res->dw_sys_ctrl_base = ioremap(OMAP_SYSC_BASE, OMAP_SYSC_SIZE);
dev_dbg(bridge, "dw_mem_base[0] 0x%x\n", host_res->dw_mem_base[0]);
dev_dbg(bridge, "dw_mem_base[3] 0x%x\n", host_res->dw_mem_base[3]);
- dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base);
/* for 24xx base port is not mapping the mamory for DSP
* internal memory TODO Do a ioremap here */
@@ -764,8 +785,6 @@ int drv_request_bridge_res_dsp(void **phost_resources)
OMAP_PER_PRM_SIZE);
host_res->dw_core_pm_base = (u32) ioremap(OMAP_CORE_PRM_BASE,
OMAP_CORE_PRM_SIZE);
- host_res->dw_dmmu_base = ioremap(OMAP_DMMU_BASE,
- OMAP_DMMU_SIZE);
dev_dbg(bridge, "dw_mem_base[0] 0x%x\n",
host_res->dw_mem_base[0]);
@@ -777,7 +796,6 @@ int drv_request_bridge_res_dsp(void **phost_resources)
host_res->dw_mem_base[3]);
dev_dbg(bridge, "dw_mem_base[4] 0x%x\n",
host_res->dw_mem_base[4]);
- dev_dbg(bridge, "dw_dmmu_base %p\n", host_res->dw_dmmu_base);
shm_size = drv_datap->shm_size;
if (shm_size >= 0x10000) {
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 7b3a7d04a109..34be43fec044 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -18,6 +18,8 @@
/* ----------------------------------- Host OS */
+#include <plat/dsp.h>
+
#include <dspbridge/host_os.h>
#include <linux/types.h>
#include <linux/platform_device.h>
@@ -39,7 +41,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/services.h>
#include <dspbridge/clk.h>
#include <dspbridge/sync.h>
@@ -54,7 +55,6 @@
/* ----------------------------------- This */
#include <drv_interface.h>
-#include <dspbridge/cfg.h>
#include <dspbridge/resourcecleanup.h>
#include <dspbridge/chnl.h>
#include <dspbridge/proc.h>
@@ -66,7 +66,6 @@
#include <mach-omap2/omap3-opp.h>
#endif
-#define BRIDGE_NAME "C6410"
/* ----------------------------------- Globals */
#define DRIVER_NAME "DspBridge"
#define DSPBRIDGE_VERSION "0.3"
@@ -172,7 +171,7 @@ const struct omap_opp vdd1_rate_table_bridge[] = {
#endif
#endif
-struct dspbridge_platform_data *omap_dspbridge_pdata;
+struct omap_dsp_platform_data *omap_dspbridge_pdata;
u32 vdd1_dsp_freq[6][4] = {
{0, 0, 0, 0},
@@ -219,8 +218,8 @@ void bridge_recover_schedule(void)
static int dspbridge_scale_notification(struct notifier_block *op,
unsigned long val, void *ptr)
{
- struct dspbridge_platform_data *pdata =
- omap_dspbridge_dev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata =
+ omap_dspbridge_dev->dev.platform_data;
if (CPUFREQ_POSTCHANGE == val && pdata->dsp_get_opp)
pwr_pm_post_scale(PRCM_VDD1, pdata->dsp_get_opp());
@@ -243,7 +242,7 @@ static struct notifier_block iva_clk_notifier = {
*/
static int omap3_bridge_startup(struct platform_device *pdev)
{
- struct dspbridge_platform_data *pdata = pdev->dev.platform_data;
+ struct omap_dsp_platform_data *pdata = pdev->dev.platform_data;
struct drv_data *drv_datap = NULL;
u32 phys_membase, phys_memsize;
int err;
@@ -272,7 +271,6 @@ static int omap3_bridge_startup(struct platform_device *pdev)
#endif
dsp_clk_init();
- services_init();
drv_datap = kzalloc(sizeof(struct drv_data), GFP_KERNEL);
if (!drv_datap) {
@@ -329,7 +327,6 @@ err1:
CPUFREQ_TRANSITION_NOTIFIER);
#endif
dsp_clk_exit();
- services_exit();
return err;
}
@@ -395,11 +392,14 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
dev_t devno;
bool ret;
int status = 0;
- void *hdrv_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
- status = cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT);
- if (status)
+ /* Retrieve the Object handle from the driver data */
+ if (!drv_datap || !drv_datap->drv_object) {
+ status = -ENODATA;
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
goto func_cont;
+ }
#ifdef CONFIG_TIDSPBRIDGE_DVFS
if (cpufreq_unregister_notifier(&iva_clk_notifier,
@@ -419,7 +419,6 @@ func_cont:
mem_ext_phys_pool_release();
dsp_clk_exit();
- services_exit();
devno = MKDEV(driver_major, 0);
cdev_del(&bridge_cdev);
@@ -466,7 +465,7 @@ static int BRIDGE_RESUME(struct platform_device *pdev)
static struct platform_driver bridge_driver = {
.driver = {
- .name = BRIDGE_NAME,
+ .name = "omap-dsp",
},
.probe = omap34_xx_bridge_probe,
.remove = __devexit_p(omap34_xx_bridge_remove),
@@ -510,8 +509,6 @@ static int bridge_open(struct inode *ip, struct file *filp)
pr_ctxt->res_state = PROC_RES_ALLOCATED;
spin_lock_init(&pr_ctxt->dmm_map_lock);
INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
- spin_lock_init(&pr_ctxt->dmm_rsv_lock);
- INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
if (pr_ctxt->node_id) {
diff --git a/drivers/staging/tidspbridge/rmgr/dspdrv.c b/drivers/staging/tidspbridge/rmgr/dspdrv.c
index 714f348f526a..7a6fc737872c 100644
--- a/drivers/staging/tidspbridge/rmgr/dspdrv.c
+++ b/drivers/staging/tidspbridge/rmgr/dspdrv.c
@@ -26,9 +26,6 @@
/* ----------------------------------- Trace & Debug */
#include <dspbridge/dbc.h>
-/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
-
/* ----------------------------------- Platform Manager */
#include <dspbridge/drv.h>
#include <dspbridge/dev.h>
@@ -121,6 +118,7 @@ bool dsp_deinit(u32 device_context)
bool ret = true;
u32 device_node;
struct mgr_object *mgr_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
while ((device_node = drv_get_first_dev_extension()) != 0) {
(void)dev_remove_device((struct cfg_devnode *)device_node);
@@ -131,10 +129,14 @@ bool dsp_deinit(u32 device_context)
(void)drv_destroy((struct drv_object *)device_context);
- /* Get the Manager Object from Registry
+ /* Get the Manager Object from driver data
* MGR Destroy will unload the DCD dll */
- if (!cfg_get_object((u32 *) &mgr_obj, REG_MGR_OBJECT))
+ if (drv_datap && drv_datap->mgr_object) {
+ mgr_obj = drv_datap->mgr_object;
(void)mgr_destroy(mgr_obj);
+ } else {
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
+ }
api_exit();
diff --git a/drivers/staging/tidspbridge/rmgr/mgr.c b/drivers/staging/tidspbridge/rmgr/mgr.c
index 57a39b9c274b..0ea89a1bb77c 100644
--- a/drivers/staging/tidspbridge/rmgr/mgr.c
+++ b/drivers/staging/tidspbridge/rmgr/mgr.c
@@ -20,6 +20,9 @@
#include <linux/types.h>
+/* ----------------------------------- Host OS */
+#include <dspbridge/host_os.h>
+
/* ----------------------------------- DSP/BIOS Bridge */
#include <dspbridge/dbdefs.h>
@@ -27,7 +30,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/sync.h>
/* ----------------------------------- Others */
@@ -58,6 +60,7 @@ int mgr_create(struct mgr_object **mgr_obj,
{
int status = 0;
struct mgr_object *pmgr_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(mgr_obj != NULL);
DBC_REQUIRE(refs > 0);
@@ -67,7 +70,14 @@ int mgr_create(struct mgr_object **mgr_obj,
status = dcd_create_manager(ZLDLLNAME, &pmgr_obj->hdcd_mgr);
if (!status) {
/* If succeeded store the handle in the MGR Object */
- status = cfg_set_object((u32) pmgr_obj, REG_MGR_OBJECT);
+ if (drv_datap) {
+ drv_datap->mgr_object = (void *)pmgr_obj;
+ } else {
+ status = -EPERM;
+ pr_err("%s: Failed to store MGR object\n",
+ __func__);
+ }
+
if (!status) {
*mgr_obj = pmgr_obj;
} else {
@@ -94,6 +104,7 @@ int mgr_destroy(struct mgr_object *hmgr_obj)
{
int status = 0;
struct mgr_object *pmgr_obj = (struct mgr_object *)hmgr_obj;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(refs > 0);
DBC_REQUIRE(hmgr_obj);
@@ -103,8 +114,13 @@ int mgr_destroy(struct mgr_object *hmgr_obj)
dcd_destroy_manager(hmgr_obj->hdcd_mgr);
kfree(pmgr_obj);
- /* Update the Registry with NULL for MGR Object */
- (void)cfg_set_object(0, REG_MGR_OBJECT);
+ /* Update the driver data with NULL for MGR Object */
+ if (drv_datap) {
+ drv_datap->mgr_object = NULL;
+ } else {
+ status = -EPERM;
+ pr_err("%s: Failed to store MGR object\n", __func__);
+ }
return status;
}
@@ -123,6 +139,7 @@ int mgr_enum_node_info(u32 node_id, struct dsp_ndbprops *pndb_props,
u32 node_index = 0;
struct dcd_genericobj gen_obj;
struct mgr_object *pmgr_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
DBC_REQUIRE(pndb_props != NULL);
DBC_REQUIRE(pu_num_nodes != NULL);
@@ -130,10 +147,14 @@ int mgr_enum_node_info(u32 node_id, struct dsp_ndbprops *pndb_props,
DBC_REQUIRE(refs > 0);
*pu_num_nodes = 0;
- /* Get The Manager Object from the Registry */
- status = cfg_get_object((u32 *) &pmgr_obj, REG_MGR_OBJECT);
- if (status)
+ /* Get the Manager Object from the driver data */
+ if (!drv_datap || !drv_datap->mgr_object) {
+ status = -ENODATA;
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
goto func_cont;
+ } else {
+ pmgr_obj = drv_datap->mgr_object;
+ }
DBC_ASSERT(pmgr_obj);
/* Forever loop till we hit failed or no more items in the
@@ -195,6 +216,7 @@ int mgr_enum_processor_info(u32 processor_id,
struct drv_object *hdrv_obj;
u8 dev_type;
struct cfg_devnode *dev_node;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
bool proc_detect = false;
DBC_REQUIRE(processor_info != NULL);
@@ -203,7 +225,15 @@ int mgr_enum_processor_info(u32 processor_id,
DBC_REQUIRE(refs > 0);
*pu_num_procs = 0;
- status = cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT);
+
+ /* Retrieve the Object handle from the driver data */
+ if (!drv_datap || !drv_datap->drv_object) {
+ status = -ENODATA;
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
+ } else {
+ hdrv_obj = drv_datap->drv_object;
+ }
+
if (!status) {
status = drv_get_dev_object(processor_id, hdrv_obj, &hdev_obj);
if (!status) {
@@ -219,8 +249,10 @@ int mgr_enum_processor_info(u32 processor_id,
if (status)
goto func_end;
- /* Get The Manager Object from the Registry */
- if (cfg_get_object((u32 *) &pmgr_obj, REG_MGR_OBJECT)) {
+ /* Get The Manager Object from the driver data */
+ if (drv_datap && drv_datap->mgr_object) {
+ pmgr_obj = drv_datap->mgr_object;
+ } else {
dev_dbg(bridge, "%s: Failed to get MGR Object\n", __func__);
goto func_end;
}
diff --git a/drivers/staging/tidspbridge/rmgr/nldr.c b/drivers/staging/tidspbridge/rmgr/nldr.c
index d8f4eebf7422..a6ae007015d0 100644
--- a/drivers/staging/tidspbridge/rmgr/nldr.c
+++ b/drivers/staging/tidspbridge/rmgr/nldr.c
@@ -35,7 +35,7 @@
#include <dspbridge/uuidutil.h>
#include <dspbridge/nldr.h>
-#include <linux/gcd.h>
+#include <linux/lcm.h>
/* Name of section containing dynamic load mem */
#define DYNMEMSECT ".dspbridge_mem"
@@ -304,7 +304,6 @@ static void unload_ovly(struct nldr_nodeobject *nldr_node_obj,
enum nldr_phase phase);
static bool find_in_persistent_lib_array(struct nldr_nodeobject *nldr_node_obj,
struct dbll_library_obj *lib);
-static u32 find_lcm(u32 a, u32 b);
/*
* ======== nldr_allocate ========
@@ -1637,7 +1636,7 @@ static int remote_alloc(void **ref, u16 mem_sect, u32 size,
(size + nldr_obj->us_dsp_word_size -
1) / nldr_obj->us_dsp_word_size;
/* Modify memory 'align' to account for DSP cache line size */
- align = find_lcm(GEM_CACHE_LINE_SIZE, align);
+ align = lcm(GEM_CACHE_LINE_SIZE, align);
dev_dbg(bridge, "%s: memory align to 0x%x\n", __func__, align);
if (segmnt_id != -1) {
rmm_addr_obj->segid = segmnt_id;
@@ -1880,18 +1879,6 @@ static bool find_in_persistent_lib_array(struct nldr_nodeobject *nldr_node_obj,
return false;
}
-/*
- * ================ Find LCM (Least Common Multiplier ===
- */
-static u32 find_lcm(u32 a, u32 b)
-{
- u32 ret;
-
- ret = a * b / gcd(a, b);
-
- return ret;
-}
-
#ifdef CONFIG_TIDSPBRIDGE_BACKTRACE
/**
* nldr_find_addr() - Find the closest symbol to the given address based on
diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c
index 6e9441e21265..a660247f527a 100644
--- a/drivers/staging/tidspbridge/rmgr/node.c
+++ b/drivers/staging/tidspbridge/rmgr/node.c
@@ -27,7 +27,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/list.h>
#include <dspbridge/memdefs.h>
#include <dspbridge/proc.h>
@@ -57,7 +56,6 @@
/* ----------------------------------- This */
#include <dspbridge/nodepriv.h>
#include <dspbridge/node.h>
-#include <dspbridge/dmm.h>
/* Static/Dynamic Loader includes */
#include <dspbridge/dbll.h>
@@ -318,10 +316,6 @@ int node_allocate(struct proc_object *hprocessor,
u32 mapped_addr = 0;
u32 map_attrs = 0x0;
struct dsp_processorstate proc_state;
-#ifdef DSP_DMM_DEBUG
- struct dmm_object *dmm_mgr;
- struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
-#endif
void *node_res;
@@ -431,34 +425,12 @@ int node_allocate(struct proc_object *hprocessor,
if (status)
goto func_cont;
- status = proc_reserve_memory(hprocessor,
- pnode->create_args.asa.task_arg_obj.
- heap_size + PAGE_SIZE,
- (void **)&(pnode->create_args.asa.
- task_arg_obj.udsp_heap_res_addr),
- pr_ctxt);
- if (status) {
- pr_err("%s: Failed to reserve memory for heap: 0x%x\n",
- __func__, status);
- goto func_cont;
- }
-#ifdef DSP_DMM_DEBUG
- status = dmm_get_handle(p_proc_object, &dmm_mgr);
- if (!dmm_mgr) {
- status = DSP_EHANDLE;
- goto func_cont;
- }
-
- dmm_mem_map_dump(dmm_mgr);
-#endif
-
map_attrs |= DSP_MAPLITTLEENDIAN;
map_attrs |= DSP_MAPELEMSIZE32;
map_attrs |= DSP_MAPVIRTUALADDR;
status = proc_map(hprocessor, (void *)attr_in->pgpp_virt_addr,
pnode->create_args.asa.task_arg_obj.heap_size,
- (void *)pnode->create_args.asa.task_arg_obj.
- udsp_heap_res_addr, (void **)&mapped_addr, map_attrs,
+ NULL, (void **)&mapped_addr, map_attrs,
pr_ctxt);
if (status)
pr_err("%s: Failed to map memory for Heap: 0x%x\n",
@@ -2506,25 +2478,20 @@ static void delete_node(struct node_object *hnode,
struct process_context *pr_ctxt)
{
struct node_mgr *hnode_mgr;
- struct cmm_xlatorobject *xlator;
struct bridge_drv_interface *intf_fxns;
u32 i;
enum node_type node_type;
struct stream_chnl stream;
struct node_msgargs node_msg_args;
struct node_taskargs task_arg_obj;
-#ifdef DSP_DMM_DEBUG
- struct dmm_object *dmm_mgr;
- struct proc_object *p_proc_object =
- (struct proc_object *)hnode->hprocessor;
-#endif
+
int status;
if (!hnode)
goto func_end;
hnode_mgr = hnode->hnode_mgr;
if (!hnode_mgr)
goto func_end;
- xlator = hnode->xlator;
+
node_type = node_get_type(hnode);
if (node_type != NODE_DEVICE) {
node_msg_args = hnode->create_args.asa.node_msg_args;
@@ -2578,19 +2545,6 @@ static void delete_node(struct node_object *hnode,
status = proc_un_map(hnode->hprocessor, (void *)
task_arg_obj.udsp_heap_addr,
pr_ctxt);
-
- status = proc_un_reserve_memory(hnode->hprocessor,
- (void *)
- task_arg_obj.
- udsp_heap_res_addr,
- pr_ctxt);
-#ifdef DSP_DMM_DEBUG
- status = dmm_get_handle(p_proc_object, &dmm_mgr);
- if (dmm_mgr)
- dmm_mem_map_dump(dmm_mgr);
- else
- status = DSP_EHANDLE;
-#endif
}
}
if (node_type != NODE_MESSAGE) {
@@ -2620,11 +2574,7 @@ static void delete_node(struct node_object *hnode,
hnode->dcd_props.obj_data.node_obj.pstr_i_alg_name = NULL;
/* Free all SM address translator resources */
- if (xlator) {
- (void)cmm_xlator_delete(xlator, true); /* force free */
- xlator = NULL;
- }
-
+ kfree(hnode->xlator);
kfree(hnode->nldr_node_obj);
hnode->nldr_node_obj = NULL;
hnode->hnode_mgr = NULL;
diff --git a/drivers/staging/tidspbridge/rmgr/proc.c b/drivers/staging/tidspbridge/rmgr/proc.c
index 44c26e11fc4a..7a15a02efedf 100644
--- a/drivers/staging/tidspbridge/rmgr/proc.c
+++ b/drivers/staging/tidspbridge/rmgr/proc.c
@@ -29,7 +29,6 @@
#include <dspbridge/dbc.h>
/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
#include <dspbridge/list.h>
#include <dspbridge/ntfy.h>
#include <dspbridge/sync.h>
@@ -40,7 +39,6 @@
#include <dspbridge/cod.h>
#include <dspbridge/dev.h>
#include <dspbridge/procpriv.h>
-#include <dspbridge/dmm.h>
/* ----------------------------------- Resource Manager */
#include <dspbridge/mgr.h>
@@ -53,6 +51,7 @@
#include <dspbridge/msg.h>
#include <dspbridge/dspioctl.h>
#include <dspbridge/drv.h>
+#include <_tiomap.h>
/* ----------------------------------- This */
#include <dspbridge/proc.h>
@@ -152,34 +151,21 @@ static struct dmm_map_object *add_mapping_info(struct process_context *pr_ctxt,
return map_obj;
}
-static int match_exact_map_obj(struct dmm_map_object *map_obj,
- u32 dsp_addr, u32 size)
-{
- if (map_obj->dsp_addr == dsp_addr && map_obj->size != size)
- pr_err("%s: addr match (0x%x), size don't (0x%x != 0x%x)\n",
- __func__, dsp_addr, map_obj->size, size);
-
- return map_obj->dsp_addr == dsp_addr &&
- map_obj->size == size;
-}
-
static void remove_mapping_information(struct process_context *pr_ctxt,
- u32 dsp_addr, u32 size)
+ u32 dsp_addr)
{
struct dmm_map_object *map_obj;
- pr_debug("%s: looking for virt 0x%x size 0x%x\n", __func__,
- dsp_addr, size);
+ pr_debug("%s: looking for virt 0x%x\n", __func__, dsp_addr);
spin_lock(&pr_ctxt->dmm_map_lock);
list_for_each_entry(map_obj, &pr_ctxt->dmm_map_list, link) {
- pr_debug("%s: candidate: mpu_addr 0x%x virt 0x%x size 0x%x\n",
+ pr_debug("%s: candidate: mpu_addr 0x%x virt 0x%x\n",
__func__,
map_obj->mpu_addr,
- map_obj->dsp_addr,
- map_obj->size);
+ map_obj->dsp_addr);
- if (match_exact_map_obj(map_obj, dsp_addr, size)) {
+ if (map_obj->dsp_addr == dsp_addr) {
pr_debug("%s: match, deleting map info\n", __func__);
list_del(&map_obj->link);
kfree(map_obj->dma_info.sg);
@@ -280,6 +266,7 @@ proc_attach(u32 processor_id,
struct proc_object *p_proc_object = NULL;
struct mgr_object *hmgr_obj = NULL;
struct drv_object *hdrv_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
u8 dev_type;
DBC_REQUIRE(refs > 0);
@@ -291,9 +278,13 @@ proc_attach(u32 processor_id,
}
/* Get the Driver and Manager Object Handles */
- status = cfg_get_object((u32 *) &hdrv_obj, REG_DRV_OBJECT);
- if (!status)
- status = cfg_get_object((u32 *) &hmgr_obj, REG_MGR_OBJECT);
+ if (!drv_datap || !drv_datap->drv_object || !drv_datap->mgr_object) {
+ status = -ENODATA;
+ pr_err("%s: Failed to get object handles\n", __func__);
+ } else {
+ hdrv_obj = drv_datap->drv_object;
+ hmgr_obj = drv_datap->mgr_object;
+ }
if (!status) {
/* Get the Device Object */
@@ -393,18 +384,29 @@ static int get_exec_file(struct cfg_devnode *dev_node_obj,
{
u8 dev_type;
s32 len;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
dev_get_dev_type(hdev_obj, (u8 *) &dev_type);
+
+ if (!exec_file)
+ return -EFAULT;
+
if (dev_type == DSP_UNIT) {
- return cfg_get_exec_file(dev_node_obj, size, exec_file);
- } else if (dev_type == IVA_UNIT) {
- if (iva_img) {
- len = strlen(iva_img);
- strncpy(exec_file, iva_img, len + 1);
- return 0;
- }
+ if (!drv_datap || !drv_datap->base_img)
+ return -EFAULT;
+
+ if (strlen(drv_datap->base_img) > size)
+ return -EINVAL;
+
+ strcpy(exec_file, drv_datap->base_img);
+ } else if (dev_type == IVA_UNIT && iva_img) {
+ len = strlen(iva_img);
+ strncpy(exec_file, iva_img, len + 1);
+ } else {
+ return -ENOENT;
}
- return -ENOENT;
+
+ return 0;
}
/*
@@ -429,6 +431,7 @@ int proc_auto_start(struct cfg_devnode *dev_node_obj,
char sz_exec_file[MAXCMDLINELEN];
char *argv[2];
struct mgr_object *hmgr_obj = NULL;
+ struct drv_data *drv_datap = dev_get_drvdata(bridge);
u8 dev_type;
DBC_REQUIRE(refs > 0);
@@ -436,9 +439,13 @@ int proc_auto_start(struct cfg_devnode *dev_node_obj,
DBC_REQUIRE(hdev_obj != NULL);
/* Create a Dummy PROC Object */
- status = cfg_get_object((u32 *) &hmgr_obj, REG_MGR_OBJECT);
- if (status)
+ if (!drv_datap || !drv_datap->mgr_object) {
+ status = -ENODATA;
+ pr_err("%s: Failed to retrieve the object handle\n", __func__);
goto func_end;
+ } else {
+ hmgr_obj = drv_datap->mgr_object;
+ }
p_proc_object = kzalloc(sizeof(struct proc_object), GFP_KERNEL);
if (p_proc_object == NULL) {
@@ -1070,7 +1077,6 @@ int proc_load(void *hprocessor, const s32 argc_index,
s32 cnew_envp; /* " " in new_envp[] */
s32 nproc_id = 0; /* Anticipate MP version. */
struct dcd_manager *hdcd_handle;
- struct dmm_object *dmm_mgr;
u32 dw_ext_end;
u32 proc_id;
int brd_state;
@@ -1261,25 +1267,6 @@ int proc_load(void *hprocessor, const s32 argc_index,
if (!status)
status = cod_get_sym_value(cod_mgr, EXTEND,
&dw_ext_end);
-
- /* Reset DMM structs and add an initial free chunk */
- if (!status) {
- status =
- dev_get_dmm_mgr(p_proc_object->hdev_obj,
- &dmm_mgr);
- if (dmm_mgr) {
- /* Set dw_ext_end to DMM START u8
- * address */
- dw_ext_end =
- (dw_ext_end + 1) * DSPWORDSIZE;
- /* DMM memory is from EXT_END */
- status = dmm_create_tables(dmm_mgr,
- dw_ext_end,
- DMMPOOLSIZE);
- } else {
- status = -EFAULT;
- }
- }
}
}
/* Restore the original argv[0] */
@@ -1332,12 +1319,10 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size,
{
u32 va_align;
u32 pa_align;
- struct dmm_object *dmm_mgr;
u32 size_align;
int status = 0;
struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
struct dmm_map_object *map_obj;
- u32 tmp_addr = 0;
#ifdef CONFIG_TIDSPBRIDGE_CACHE_LINE_CHECK
if ((ul_map_attr & BUFMODE_MASK) != RBUF) {
@@ -1362,33 +1347,30 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size,
}
/* Critical section */
mutex_lock(&proc_lock);
- dmm_get_handle(p_proc_object, &dmm_mgr);
- if (dmm_mgr)
- status = dmm_map_memory(dmm_mgr, va_align, size_align);
- else
- status = -EFAULT;
/* Add mapping to the page tables. */
if (!status) {
-
- /* Mapped address = MSB of VA | LSB of PA */
- tmp_addr = (va_align | ((u32) pmpu_addr & (PG_SIZE4K - 1)));
/* mapped memory resource tracking */
- map_obj = add_mapping_info(pr_ctxt, pa_align, tmp_addr,
+ map_obj = add_mapping_info(pr_ctxt, pa_align, va_align,
size_align);
- if (!map_obj)
+ if (!map_obj) {
status = -ENOMEM;
- else
- status = (*p_proc_object->intf_fxns->pfn_brd_mem_map)
- (p_proc_object->hbridge_context, pa_align, va_align,
- size_align, ul_map_attr, map_obj->pages);
+ } else {
+ va_align = user_to_dsp_map(
+ p_proc_object->hbridge_context->dsp_mmu,
+ pa_align, va_align, size_align,
+ map_obj->pages);
+ if (IS_ERR_VALUE(va_align))
+ status = (int)va_align;
+ }
}
if (!status) {
/* Mapped address = MSB of VA | LSB of PA */
- *pp_map_addr = (void *) tmp_addr;
+ map_obj->dsp_addr = (va_align |
+ ((u32)pmpu_addr & (PG_SIZE4K - 1)));
+ *pp_map_addr = (void *)map_obj->dsp_addr;
} else {
- remove_mapping_information(pr_ctxt, tmp_addr, size_align);
- dmm_un_map_memory(dmm_mgr, va_align, &size_align);
+ remove_mapping_information(pr_ctxt, va_align);
}
mutex_unlock(&proc_lock);
@@ -1481,55 +1463,6 @@ func_end:
}
/*
- * ======== proc_reserve_memory ========
- * Purpose:
- * Reserve a virtually contiguous region of DSP address space.
- */
-int proc_reserve_memory(void *hprocessor, u32 ul_size,
- void **pp_rsv_addr,
- struct process_context *pr_ctxt)
-{
- struct dmm_object *dmm_mgr;
- int status = 0;
- struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
- struct dmm_rsv_object *rsv_obj;
-
- if (!p_proc_object) {
- status = -EFAULT;
- goto func_end;
- }
-
- status = dmm_get_handle(p_proc_object, &dmm_mgr);
- if (!dmm_mgr) {
- status = -EFAULT;
- goto func_end;
- }
-
- status = dmm_reserve_memory(dmm_mgr, ul_size, (u32 *) pp_rsv_addr);
- if (status != 0)
- goto func_end;
-
- /*
- * A successful reserve should be followed by insertion of rsv_obj
- * into dmm_rsv_list, so that reserved memory resource tracking
- * remains uptodate
- */
- rsv_obj = kmalloc(sizeof(struct dmm_rsv_object), GFP_KERNEL);
- if (rsv_obj) {
- rsv_obj->dsp_reserved_addr = (u32) *pp_rsv_addr;
- spin_lock(&pr_ctxt->dmm_rsv_lock);
- list_add(&rsv_obj->link, &pr_ctxt->dmm_rsv_list);
- spin_unlock(&pr_ctxt->dmm_rsv_lock);
- }
-
-func_end:
- dev_dbg(bridge, "%s: hprocessor: 0x%p ul_size: 0x%x pp_rsv_addr: 0x%p "
- "status 0x%x\n", __func__, hprocessor,
- ul_size, pp_rsv_addr, status);
- return status;
-}
-
-/*
* ======== proc_start ========
* Purpose:
* Start a processor running.
@@ -1677,9 +1610,7 @@ int proc_un_map(void *hprocessor, void *map_addr,
{
int status = 0;
struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
- struct dmm_object *dmm_mgr;
u32 va_align;
- u32 size_align;
va_align = PG_ALIGN_LOW((u32) map_addr, PG_SIZE4K);
if (!p_proc_object) {
@@ -1687,24 +1618,11 @@ int proc_un_map(void *hprocessor, void *map_addr,
goto func_end;
}
- status = dmm_get_handle(hprocessor, &dmm_mgr);
- if (!dmm_mgr) {
- status = -EFAULT;
- goto func_end;
- }
-
/* Critical section */
mutex_lock(&proc_lock);
- /*
- * Update DMM structures. Get the size to unmap.
- * This function returns error if the VA is not mapped
- */
- status = dmm_un_map_memory(dmm_mgr, (u32) va_align, &size_align);
/* Remove mapping from the page tables. */
- if (!status) {
- status = (*p_proc_object->intf_fxns->pfn_brd_mem_un_map)
- (p_proc_object->hbridge_context, va_align, size_align);
- }
+ status = user_to_dsp_unmap(p_proc_object->hbridge_context->dsp_mmu,
+ va_align);
mutex_unlock(&proc_lock);
if (status)
@@ -1715,7 +1633,7 @@ int proc_un_map(void *hprocessor, void *map_addr,
* from dmm_map_list, so that mapped memory resource tracking
* remains uptodate
*/
- remove_mapping_information(pr_ctxt, (u32) map_addr, size_align);
+ remove_mapping_information(pr_ctxt, (u32) map_addr);
func_end:
dev_dbg(bridge, "%s: hprocessor: 0x%p map_addr: 0x%p status: 0x%x\n",
@@ -1724,55 +1642,6 @@ func_end:
}
/*
- * ======== proc_un_reserve_memory ========
- * Purpose:
- * Frees a previously reserved region of DSP address space.
- */
-int proc_un_reserve_memory(void *hprocessor, void *prsv_addr,
- struct process_context *pr_ctxt)
-{
- struct dmm_object *dmm_mgr;
- int status = 0;
- struct proc_object *p_proc_object = (struct proc_object *)hprocessor;
- struct dmm_rsv_object *rsv_obj;
-
- if (!p_proc_object) {
- status = -EFAULT;
- goto func_end;
- }
-
- status = dmm_get_handle(p_proc_object, &dmm_mgr);
- if (!dmm_mgr) {
- status = -EFAULT;
- goto func_end;
- }
-
- status = dmm_un_reserve_memory(dmm_mgr, (u32) prsv_addr);
- if (status != 0)
- goto func_end;
-
- /*
- * A successful unreserve should be followed by removal of rsv_obj
- * from dmm_rsv_list, so that reserved memory resource tracking
- * remains uptodate
- */
- spin_lock(&pr_ctxt->dmm_rsv_lock);
- list_for_each_entry(rsv_obj, &pr_ctxt->dmm_rsv_list, link) {
- if (rsv_obj->dsp_reserved_addr == (u32) prsv_addr) {
- list_del(&rsv_obj->link);
- kfree(rsv_obj);
- break;
- }
- }
- spin_unlock(&pr_ctxt->dmm_rsv_lock);
-
-func_end:
- dev_dbg(bridge, "%s: hprocessor: 0x%p prsv_addr: 0x%p status: 0x%x\n",
- __func__, hprocessor, prsv_addr, status);
- return status;
-}
-
-/*
* ======== = proc_monitor ======== ==
* Purpose:
* Place the Processor in Monitor State. This is an internal
diff --git a/drivers/staging/tidspbridge/rmgr/strm.c b/drivers/staging/tidspbridge/rmgr/strm.c
index ef2ec9497b1c..2e427149fb6c 100644
--- a/drivers/staging/tidspbridge/rmgr/strm.c
+++ b/drivers/staging/tidspbridge/rmgr/strm.c
@@ -42,7 +42,6 @@
/* ----------------------------------- This */
#include <dspbridge/strm.h>
-#include <dspbridge/cfg.h>
#include <dspbridge/resourcecleanup.h>
/* ----------------------------------- Defines, Data Structures, Typedefs */
@@ -835,16 +834,9 @@ static int delete_strm(struct strm_object *stream_obj)
* is invalid. */
status = (*intf_fxns->pfn_chnl_close)
(stream_obj->chnl_obj);
- /* Free all SM address translator resources */
- if (!status) {
- if (stream_obj->xlator) {
- /* force free */
- (void)cmm_xlator_delete(stream_obj->
- xlator,
- true);
- }
- }
}
+ /* Free all SM address translator resources */
+ kfree(stream_obj->xlator);
kfree(stream_obj);
} else {
status = -EFAULT;
diff --git a/drivers/staging/tidspbridge/services/cfg.c b/drivers/staging/tidspbridge/services/cfg.c
deleted file mode 100644
index a7af74f482dd..000000000000
--- a/drivers/staging/tidspbridge/services/cfg.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * cfg.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Implementation of platform specific config services.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <linux/types.h>
-
-/* ----------------------------------- DSP/BIOS Bridge */
-#include <dspbridge/dbdefs.h>
-
-/* ----------------------------------- Trace & Debug */
-#include <dspbridge/dbc.h>
-
-/* ----------------------------------- OS Adaptation Layer */
-
-/* ----------------------------------- This */
-#include <dspbridge/cfg.h>
-#include <dspbridge/drv.h>
-
-struct drv_ext {
- struct list_head link;
- char sz_string[MAXREGPATHLENGTH];
-};
-
-/*
- * ======== cfg_exit ========
- * Purpose:
- * Discontinue usage of the CFG module.
- */
-void cfg_exit(void)
-{
- /* Do nothing */
-}
-
-/*
- * ======== cfg_get_auto_start ========
- * Purpose:
- * Retreive the autostart mask, if any, for this board.
- */
-int cfg_get_auto_start(struct cfg_devnode *dev_node_obj,
- u32 *auto_start)
-{
- int status = 0;
- u32 dw_buf_size;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- dw_buf_size = sizeof(*auto_start);
- if (!dev_node_obj)
- status = -EFAULT;
- if (!auto_start || !drv_datap)
- status = -EFAULT;
- if (!status)
- *auto_start = (drv_datap->base_img) ? 1 : 0;
-
- DBC_ENSURE((status == 0 &&
- (*auto_start == 0 || *auto_start == 1))
- || status != 0);
- return status;
-}
-
-/*
- * ======== cfg_get_dev_object ========
- * Purpose:
- * Retrieve the Device Object handle for a given devnode.
- */
-int cfg_get_dev_object(struct cfg_devnode *dev_node_obj,
- u32 *value)
-{
- int status = 0;
- u32 dw_buf_size;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- if (!drv_datap)
- status = -EPERM;
-
- if (!dev_node_obj)
- status = -EFAULT;
-
- if (!value)
- status = -EFAULT;
-
- dw_buf_size = sizeof(value);
- if (!status) {
-
- /* check the device string and then store dev object */
- if (!
- (strcmp
- ((char *)((struct drv_ext *)dev_node_obj)->sz_string,
- "TIOMAP1510")))
- *value = (u32)drv_datap->dev_object;
- }
- if (status)
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
- return status;
-}
-
-/*
- * ======== cfg_get_exec_file ========
- * Purpose:
- * Retreive the default executable, if any, for this board.
- */
-int cfg_get_exec_file(struct cfg_devnode *dev_node_obj, u32 buf_size,
- char *str_exec_file)
-{
- int status = 0;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- if (!dev_node_obj)
- status = -EFAULT;
-
- else if (!str_exec_file || !drv_datap)
- status = -EFAULT;
-
- if (strlen(drv_datap->base_img) > buf_size)
- status = -EINVAL;
-
- if (!status && drv_datap->base_img)
- strcpy(str_exec_file, drv_datap->base_img);
-
- if (status)
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
- DBC_ENSURE(((status == 0) &&
- (strlen(str_exec_file) <= buf_size))
- || (status != 0));
- return status;
-}
-
-/*
- * ======== cfg_get_object ========
- * Purpose:
- * Retrieve the Object handle from the Registry
- */
-int cfg_get_object(u32 *value, u8 dw_type)
-{
- int status = -EINVAL;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- DBC_REQUIRE(value != NULL);
-
- if (!drv_datap)
- return -EPERM;
-
- switch (dw_type) {
- case (REG_DRV_OBJECT):
- if (drv_datap->drv_object) {
- *value = (u32)drv_datap->drv_object;
- status = 0;
- } else {
- status = -ENODATA;
- }
- break;
- case (REG_MGR_OBJECT):
- if (drv_datap->mgr_object) {
- *value = (u32)drv_datap->mgr_object;
- status = 0;
- } else {
- status = -ENODATA;
- }
- break;
-
- default:
- break;
- }
- if (status) {
- *value = 0;
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
- }
- DBC_ENSURE((!status && *value != 0) || (status && *value == 0));
- return status;
-}
-
-/*
- * ======== cfg_init ========
- * Purpose:
- * Initialize the CFG module's private state.
- */
-bool cfg_init(void)
-{
- return true;
-}
-
-/*
- * ======== cfg_set_dev_object ========
- * Purpose:
- * Store the Device Object handle and dev_node pointer for a given devnode.
- */
-int cfg_set_dev_object(struct cfg_devnode *dev_node_obj, u32 value)
-{
- int status = 0;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- if (!drv_datap) {
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
- return -EPERM;
- }
-
- if (!dev_node_obj)
- status = -EFAULT;
-
- if (!status) {
- /* Store the Bridge device object in the Registry */
-
- if (!(strcmp((char *)dev_node_obj, "TIOMAP1510")))
- drv_datap->dev_object = (void *) value;
- }
- if (status)
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
-
- return status;
-}
-
-/*
- * ======== cfg_set_object ========
- * Purpose:
- * Store the Driver Object handle
- */
-int cfg_set_object(u32 value, u8 dw_type)
-{
- int status = -EINVAL;
- struct drv_data *drv_datap = dev_get_drvdata(bridge);
-
- if (!drv_datap)
- return -EPERM;
-
- switch (dw_type) {
- case (REG_DRV_OBJECT):
- drv_datap->drv_object = (void *)value;
- status = 0;
- break;
- case (REG_MGR_OBJECT):
- drv_datap->mgr_object = (void *)value;
- status = 0;
- break;
- default:
- break;
- }
- if (status)
- pr_err("%s: Failed, status 0x%x\n", __func__, status);
- return status;
-}
diff --git a/drivers/staging/tidspbridge/services/ntfy.c b/drivers/staging/tidspbridge/services/ntfy.c
deleted file mode 100644
index a2ea698be24e..000000000000
--- a/drivers/staging/tidspbridge/services/ntfy.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * ntfy.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Manage lists of notification events.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-/* ----------------------------------- This */
-#include <dspbridge/ntfy.h>
-
-int dsp_notifier_event(struct notifier_block *this, unsigned long event,
- void *data)
-{
- struct ntfy_event *ne = container_of(this, struct ntfy_event,
- noti_block);
- if (ne->event & event)
- sync_set_event(&ne->sync_obj);
- return NOTIFY_OK;
-}
-
diff --git a/drivers/staging/tidspbridge/services/services.c b/drivers/staging/tidspbridge/services/services.c
deleted file mode 100644
index 6a7dd6f3ecba..000000000000
--- a/drivers/staging/tidspbridge/services/services.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * services.c
- *
- * DSP-BIOS Bridge driver support functions for TI OMAP processors.
- *
- * Provide SERVICES loading.
- *
- * Copyright (C) 2005-2006 Texas Instruments, Inc.
- *
- * This package 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.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <linux/types.h>
-
-#include <dspbridge/host_os.h>
-
-/* ----------------------------------- DSP/BIOS Bridge */
-#include <dspbridge/dbdefs.h>
-
-/* ----------------------------------- Trace & Debug */
-#include <dspbridge/dbc.h>
-
-/* ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/cfg.h>
-#include <dspbridge/ntfy.h>
-#include <dspbridge/sync.h>
-#include <dspbridge/clk.h>
-
-/* ----------------------------------- This */
-#include <dspbridge/services.h>
-
-/*
- * ======== services_exit ========
- * Purpose:
- * Discontinue usage of module; free resources when reference count
- * reaches 0.
- */
-void services_exit(void)
-{
- cfg_exit();
-}
-
-/*
- * ======== services_init ========
- * Purpose:
- * Initializes SERVICES modules.
- */
-bool services_init(void)
-{
- bool ret = true;
- bool fcfg;
-
- /* Perform required initialization of SERVICES modules. */
- fcfg = cfg_init();
-
- ret = fcfg;
-
- if (!ret) {
- if (fcfg)
- cfg_exit();
- }
-
- return ret;
-}