Revert "staging: tidspbridge: remove dw_dmmu_base from cfg_hostres struct"

This reverts commit b5a44939231d6e3b0354624289507bfa1432a7b1.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>

4 files changed, 10 insertions, 1 deletions

diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index 1425c50e72b9..53b38b2b9ce1 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -845,6 +845,8 @@ 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)
@@ -858,6 +860,7 @@ 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);
diff --git a/drivers/staging/tidspbridge/core/tiomap_io.c b/drivers/staging/tidspbridge/core/tiomap_io.c
index 66dbf02549e4..b526532fdd07 100644
--- a/drivers/staging/tidspbridge/core/tiomap_io.c
+++ b/drivers/staging/tidspbridge/core/tiomap_io.c
@@ -393,6 +393,7 @@ int sm_interrupt_dsp(struct bridge_dev_context *dev_context, u16 mb_val)
                 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 +437,7 @@ 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 */
-                iommu_read_reg(dev_context->dsp_mmu, MMU_SYSCONFIG);
+                temp = readl(resources->dw_dmmu_base + 0x10);
 
                 dev_context->dw_brd_state = BRD_RUNNING;
         } else if (dev_context->dw_brd_state == BRD_RETENTION) {
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
index dfb55cca34c7..38122dbf877a 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/cfgdefs.h
@@ -68,6 +68,7 @@ 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/rmgr/drv.c b/drivers/staging/tidspbridge/rmgr/drv.c
index 0c857b93416a..81b1b9013550 100644
--- a/drivers/staging/tidspbridge/rmgr/drv.c
+++ b/drivers/staging/tidspbridge/rmgr/drv.c
@@ -743,6 +743,7 @@ 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 */
@@ -796,6 +797,8 @@ 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]);
@@ -807,6 +810,7 @@ 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) {