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-rw-r--r--arch/arm/include/asm/dma-mapping.h1
-rw-r--r--arch/arm/mach-omap2/devices.c2
-rw-r--r--arch/arm/mach-omap2/omap-iommu.c167
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c4
4 files changed, 41 insertions, 133 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 67d06324e74a..5b579b951503 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -91,6 +91,7 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
*/
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
+ debug_dma_mapping_error(dev, dma_addr);
return dma_addr == DMA_ERROR_CODE;
}
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 4abb8b5e9bc0..5e304d0719a2 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -226,7 +226,7 @@ static struct platform_device omap3isp_device = {
};
static struct omap_iommu_arch_data omap3_isp_iommu = {
- .name = "isp",
+ .name = "mmu_isp",
};
int omap3_init_camera(struct isp_platform_data *pdata)
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index a6a4ff8744b7..7642fc4672c1 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -12,153 +12,60 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/platform_data/iommu-omap.h>
+#include <plat/omap_hwmod.h>
+#include <plat/omap_device.h>
-#include "soc.h"
-#include "common.h"
-
-struct iommu_device {
- resource_size_t base;
- int irq;
- struct iommu_platform_data pdata;
- struct resource res[2];
-};
-static struct iommu_device *devices;
-static int num_iommu_devices;
-
-#ifdef CONFIG_ARCH_OMAP3
-static struct iommu_device omap3_devices[] = {
- {
- .base = 0x480bd400,
- .irq = 24 + OMAP_INTC_START,
- .pdata = {
- .name = "isp",
- .nr_tlb_entries = 8,
- .clk_name = "cam_ick",
- .da_start = 0x0,
- .da_end = 0xFFFFF000,
- },
- },
-#if defined(CONFIG_OMAP_IOMMU_IVA2)
- {
- .base = 0x5d000000,
- .irq = 28 + OMAP_INTC_START,
- .pdata = {
- .name = "iva2",
- .nr_tlb_entries = 32,
- .clk_name = "iva2_ck",
- .da_start = 0x11000000,
- .da_end = 0xFFFFF000,
- },
- },
-#endif
-};
-#define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
-static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES];
-#else
-#define omap3_devices NULL
-#define NR_OMAP3_IOMMU_DEVICES 0
-#define omap3_iommu_pdev NULL
-#endif
-
-#ifdef CONFIG_ARCH_OMAP4
-static struct iommu_device omap4_devices[] = {
- {
- .base = OMAP4_MMU1_BASE,
- .irq = 100 + OMAP44XX_IRQ_GIC_START,
- .pdata = {
- .name = "ducati",
- .nr_tlb_entries = 32,
- .clk_name = "ipu_fck",
- .da_start = 0x0,
- .da_end = 0xFFFFF000,
- },
- },
- {
- .base = OMAP4_MMU2_BASE,
- .irq = 28 + OMAP44XX_IRQ_GIC_START,
- .pdata = {
- .name = "tesla",
- .nr_tlb_entries = 32,
- .clk_name = "dsp_fck",
- .da_start = 0x0,
- .da_end = 0xFFFFF000,
- },
- },
-};
-#define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
-static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES];
-#else
-#define omap4_devices NULL
-#define NR_OMAP4_IOMMU_DEVICES 0
-#define omap4_iommu_pdev NULL
-#endif
-
-static struct platform_device **omap_iommu_pdev;
-
-static int __init omap_iommu_init(void)
+static int __init omap_iommu_dev_init(struct omap_hwmod *oh, void *unused)
{
- int i, err;
- struct resource res[] = {
- { .flags = IORESOURCE_MEM },
- { .flags = IORESOURCE_IRQ },
- };
+ struct platform_device *pdev;
+ struct iommu_platform_data *pdata;
+ struct omap_mmu_dev_attr *a = (struct omap_mmu_dev_attr *)oh->dev_attr;
+ static int i;
+
+ pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ pdata->name = oh->name;
+ pdata->nr_tlb_entries = a->nr_tlb_entries;
+ pdata->da_start = a->da_start;
+ pdata->da_end = a->da_end;
+
+ if (oh->rst_lines_cnt == 1) {
+ pdata->reset_name = oh->rst_lines->name;
+ pdata->assert_reset = omap_device_assert_hardreset;
+ pdata->deassert_reset = omap_device_deassert_hardreset;
+ }
- if (cpu_is_omap34xx()) {
- devices = omap3_devices;
- omap_iommu_pdev = omap3_iommu_pdev;
- num_iommu_devices = NR_OMAP3_IOMMU_DEVICES;
- } else if (cpu_is_omap44xx()) {
- devices = omap4_devices;
- omap_iommu_pdev = omap4_iommu_pdev;
- num_iommu_devices = NR_OMAP4_IOMMU_DEVICES;
- } else
- return -ENODEV;
+ pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata),
+ NULL, 0, 0);
- for (i = 0; i < num_iommu_devices; i++) {
- struct platform_device *pdev;
- const struct iommu_device *d = &devices[i];
+ kfree(pdata);
- pdev = platform_device_alloc("omap-iommu", i);
- if (!pdev) {
- err = -ENOMEM;
- goto err_out;
- }
+ if (IS_ERR(pdev)) {
+ pr_err("%s: device build err: %ld\n", __func__, PTR_ERR(pdev));
+ return PTR_ERR(pdev);
+ }
- res[0].start = d->base;
- res[0].end = d->base + MMU_REG_SIZE - 1;
- res[1].start = res[1].end = d->irq;
+ i++;
- err = platform_device_add_resources(pdev, res,
- ARRAY_SIZE(res));
- if (err)
- goto err_out;
- err = platform_device_add_data(pdev, &d->pdata,
- sizeof(d->pdata));
- if (err)
- goto err_out;
- err = platform_device_add(pdev);
- if (err)
- goto err_out;
- omap_iommu_pdev[i] = pdev;
- }
return 0;
+}
-err_out:
- while (i--)
- platform_device_put(omap_iommu_pdev[i]);
- return err;
+static int __init omap_iommu_init(void)
+{
+ return omap_hwmod_for_each_by_class("mmu", omap_iommu_dev_init, NULL);
}
/* must be ready before omap3isp is probed */
subsys_initcall(omap_iommu_init);
static void __exit omap_iommu_exit(void)
{
- int i;
-
- for (i = 0; i < num_iommu_devices; i++)
- platform_device_unregister(omap_iommu_pdev[i]);
+ /* Do nothing */
}
module_exit(omap_iommu_exit);
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 272b0178dba6..f9fab942d5ba 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -653,7 +653,7 @@ static struct omap_hwmod omap44xx_dsp_hwmod = {
.mpu_irqs = omap44xx_dsp_irqs,
.rst_lines = omap44xx_dsp_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_dsp_resets),
- .main_clk = "dsp_fck",
+ .main_clk = "dpll_iva_m4x2_ck",
.prcm = {
.omap4 = {
.clkctrl_offs = OMAP4_CM_TESLA_TESLA_CLKCTRL_OFFSET,
@@ -1679,7 +1679,7 @@ static struct omap_hwmod omap44xx_ipu_hwmod = {
.mpu_irqs = omap44xx_ipu_irqs,
.rst_lines = omap44xx_ipu_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_ipu_resets),
- .main_clk = "ipu_fck",
+ .main_clk = "ducati_clk_mux_ck",
.prcm = {
.omap4 = {
.clkctrl_offs = OMAP4_CM_DUCATI_DUCATI_CLKCTRL_OFFSET,
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 17:00:52 +0300