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omap: iommu: reorganize

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This way it's more object oriented and easier to see what is happening.
No functional changes.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Felipe Contreras 2009-11-22 10:11:04 -08:00 committed by Tony Lindgren
parent 5934ba2dc0
commit a76e9a90e8
1 changed files with 31 additions and 31 deletions
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62
arch/arm/mach-omap2/omap3-iommu.c
View file

@ -14,47 +14,50 @@
#include <plat/iommu.h>
#define OMAP3_MMU1_BASE 0x480bd400
#define OMAP3_MMU2_BASE 0x5d000000
#define OMAP3_MMU1_IRQ 24
#define OMAP3_MMU2_IRQ 28
static unsigned long iommu_base[] __initdata = {
OMAP3_MMU1_BASE,
OMAP3_MMU2_BASE,
struct iommu_device {
resource_size_t base;
int irq;
struct iommu_platform_data pdata;
struct resource res[2];
};
static int iommu_irq[] __initdata = {
OMAP3_MMU1_IRQ,
OMAP3_MMU2_IRQ,
};
static const struct iommu_platform_data omap3_iommu_pdata[] __initconst = {
static struct iommu_device devices[] = {
{
.name = "isp",
.nr_tlb_entries = 8,
.clk_name = "cam_ick",
.base = 0x480bd400,
.irq = 24,
.pdata = {
.name = "isp",
.nr_tlb_entries = 8,
.clk_name = "cam_ick",
},
},
#if defined(CONFIG_MPU_BRIDGE_IOMMU)
{
.name = "iva2",
.nr_tlb_entries = 32,
.clk_name = "iva2_ck",
.base = 0x5d000000,
.irq = 28,
.pdata = {
.name = "iva2",
.nr_tlb_entries = 32,
.clk_name = "iva2_ck",
},
},
#endif
};
#define NR_IOMMU_DEVICES ARRAY_SIZE(omap3_iommu_pdata)
#define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES];
static int __init omap3_iommu_init(void)
{
int i, err;
struct resource res[] = {
{ .flags = IORESOURCE_MEM },
{ .flags = IORESOURCE_IRQ },
};
for (i = 0; i < NR_IOMMU_DEVICES; i++) {
struct platform_device *pdev;
struct resource res[2];
const struct iommu_device *d = &devices[i];
pdev = platform_device_alloc("omap-iommu", i);
if (!pdev) {
@ -62,19 +65,16 @@ static int __init omap3_iommu_init(void)
goto err_out;
}
memset(res, 0, sizeof(res));
res[0].start = iommu_base[i];
res[0].end = iommu_base[i] + MMU_REG_SIZE - 1;
res[0].flags = IORESOURCE_MEM;
res[1].start = res[1].end = iommu_irq[i];
res[1].flags = IORESOURCE_IRQ;
res[0].start = d->base;
res[0].end = d->base + MMU_REG_SIZE - 1;
res[1].start = res[1].end = d->irq;
err = platform_device_add_resources(pdev, res,
ARRAY_SIZE(res));
if (err)
goto err_out;
err = platform_device_add_data(pdev, &omap3_iommu_pdata[i],
sizeof(omap3_iommu_pdata[0]));
err = platform_device_add_data(pdev, &d->pdata,
sizeof(d->pdata));
if (err)
goto err_out;
err = platform_device_add(pdev);