Exemple #1
0
Fichier : spu.c Projet : E-LLP/n900
static int __init enable_spu(struct spu *spu)
{
	int result;

	result = lv1_enable_logical_spe(spu_pdata(spu)->spe_id,
		spu_pdata(spu)->resource_id);

	if (result) {
		pr_debug("%s:%d: lv1_enable_logical_spe failed: %s\n",
			__func__, __LINE__, ps3_result(result));
		goto fail_enable;
	}

	result = setup_areas(spu);

	if (result)
		goto fail_areas;

	result = setup_interrupts(spu);

	if (result)
		goto fail_interrupts;

	return 0;

fail_interrupts:
	spu_unmap(spu);
fail_areas:
	lv1_disable_logical_spe(spu_pdata(spu)->spe_id, 0);
fail_enable:
	return result;
}
Exemple #2
0
Fichier : spu.c Projet : E-LLP/n900
static int ps3_destroy_spu(struct spu *spu)
{
	int result;

	pr_debug("%s:%d spu_%d\n", __func__, __LINE__, spu->number);

	result = lv1_disable_logical_spe(spu_pdata(spu)->spe_id, 0);
	BUG_ON(result);

	ps3_spe_irq_destroy(spu->irqs[2]);
	ps3_spe_irq_destroy(spu->irqs[1]);
	ps3_spe_irq_destroy(spu->irqs[0]);

	spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ;

	spu_unmap(spu);

	result = lv1_destruct_logical_spe(spu_pdata(spu)->spe_id);
	BUG_ON(result);

	kfree(spu->pdata);
	spu->pdata = NULL;

	return 0;
}
Exemple #3
0
Fichier : spu.c Projet : E-LLP/n900
static int __init setup_interrupts(struct spu *spu)
{
	int result;

	result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id,
		0, &spu->irqs[0]);

	if (result)
		goto fail_alloc_0;

	result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id,
		1, &spu->irqs[1]);

	if (result)
		goto fail_alloc_1;

	result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id,
		2, &spu->irqs[2]);

	if (result)
		goto fail_alloc_2;

	return result;

fail_alloc_2:
	ps3_spe_irq_destroy(spu->irqs[1]);
fail_alloc_1:
	ps3_spe_irq_destroy(spu->irqs[0]);
fail_alloc_0:
	spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ;
	return result;
}
static int __init setup_areas(struct spu *spu)
{
	struct table {char* name; unsigned long addr; unsigned long size;};
	static const unsigned long shadow_flags = _PAGE_NO_CACHE | 3;

	spu_pdata(spu)->shadow = __ioremap(spu_pdata(spu)->shadow_addr,
					   sizeof(struct spe_shadow),
					   shadow_flags);
	if (!spu_pdata(spu)->shadow) {
		pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__);
		goto fail_ioremap;
	}

<<<<<<< HEAD
Exemple #5
0
Fichier : spu.c Projet : E-LLP/n900
static void spu_unmap(struct spu *spu)
{
	iounmap(spu->priv2);
	iounmap(spu->problem);
	iounmap((__force u8 __iomem *)spu->local_store);
	iounmap(spu_pdata(spu)->shadow);
}
Exemple #6
0
Fichier : spu.c Projet : E-LLP/n900
static int __init ps3_create_spu(struct spu *spu, void *data)
{
	int result;

	pr_debug("%s:%d spu_%d\n", __func__, __LINE__, spu->number);

	spu->pdata = kzalloc(sizeof(struct spu_pdata),
		GFP_KERNEL);

	if (!spu->pdata) {
		result = -ENOMEM;
		goto fail_malloc;
	}

	spu_pdata(spu)->resource_id = (unsigned long)data;

	/* Init cached reg values to HV defaults. */

	spu_pdata(spu)->cache.sr1 = 0x33;

	result = construct_spu(spu);

	if (result)
		goto fail_construct;

	/* For now, just go ahead and enable it. */

	result = enable_spu(spu);

	if (result)
		goto fail_enable;

	/* Make sure the spu is in SPE_EX_STATE_EXECUTED. */

	/* need something better here!!! */
	while (in_be64(&spu_pdata(spu)->shadow->spe_execution_status)
		!= SPE_EX_STATE_EXECUTED)
		(void)0;

	return result;

fail_enable:
fail_construct:
	ps3_destroy_spu(spu);
fail_malloc:
	return result;
}
Exemple #7
0
Fichier : spu.c Projet : E-LLP/n900
static int __init setup_areas(struct spu *spu)
{
	struct table {char* name; unsigned long addr; unsigned long size;};
	static const unsigned long shadow_flags = _PAGE_NO_CACHE | 3;

	spu_pdata(spu)->shadow = __ioremap(spu_pdata(spu)->shadow_addr,
					   sizeof(struct spe_shadow),
					   shadow_flags);
	if (!spu_pdata(spu)->shadow) {
		pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__);
		goto fail_ioremap;
	}

	spu->local_store = (__force void *)ioremap_flags(spu->local_store_phys,
		LS_SIZE, _PAGE_NO_CACHE);

	if (!spu->local_store) {
		pr_debug("%s:%d: ioremap local_store failed\n",
			__func__, __LINE__);
		goto fail_ioremap;
	}

	spu->problem = ioremap(spu->problem_phys,
		sizeof(struct spu_problem));

	if (!spu->problem) {
		pr_debug("%s:%d: ioremap problem failed\n", __func__, __LINE__);
		goto fail_ioremap;
	}

	spu->priv2 = ioremap(spu_pdata(spu)->priv2_addr,
		sizeof(struct spu_priv2));

	if (!spu->priv2) {
		pr_debug("%s:%d: ioremap priv2 failed\n", __func__, __LINE__);
		goto fail_ioremap;
	}

	dump_areas(spu_pdata(spu)->spe_id, spu_pdata(spu)->priv2_addr,
		spu->problem_phys, spu->local_store_phys,
		spu_pdata(spu)->shadow_addr);
	dump_areas(spu_pdata(spu)->spe_id, (unsigned long)spu->priv2,
		(unsigned long)spu->problem, (unsigned long)spu->local_store,
		(unsigned long)spu_pdata(spu)->shadow);

	return 0;

fail_ioremap:
	spu_unmap(spu);

	return -ENOMEM;
}
Exemple #8
0
static int __init ps3_create_spu(struct spu *spu, void *data)
{
	int result;

	pr_debug("%s:%d spu_%d\n", __func__, __LINE__, spu->number);

	spu->pdata = kzalloc(sizeof(struct spu_pdata),
		GFP_KERNEL);

	if (!spu->pdata) {
		result = -ENOMEM;
		goto fail_malloc;
	}

	spu_pdata(spu)->resource_id = (unsigned long)data;

	

	spu_pdata(spu)->cache.sr1 = 0x33;

	result = construct_spu(spu);

	if (result)
		goto fail_construct;

	

	result = enable_spu(spu);

	if (result)
		goto fail_enable;

	

	
	while (in_be64(&spu_pdata(spu)->shadow->spe_execution_status)
		!= SPE_EX_STATE_EXECUTED)
		(void)0;

	return result;

fail_enable:
fail_construct:
	ps3_destroy_spu(spu);
fail_malloc:
	return result;
}
Exemple #9
0
Fichier : spu.c Projet : E-LLP/n900
static int __init construct_spu(struct spu *spu)
{
	int result;
	unsigned long unused;

	result = lv1_construct_logical_spe(PAGE_SHIFT, PAGE_SHIFT, PAGE_SHIFT,
		PAGE_SHIFT, PAGE_SHIFT, get_vas_id(), SPE_TYPE_LOGICAL,
		&spu_pdata(spu)->priv2_addr, &spu->problem_phys,
		&spu->local_store_phys, &unused,
		&spu_pdata(spu)->shadow_addr,
		&spu_pdata(spu)->spe_id);

	if (result) {
		pr_debug("%s:%d: lv1_construct_logical_spe failed: %s\n",
			__func__, __LINE__, ps3_result(result));
		return result;
	}

	return result;
}
Exemple #10
0
Fichier : spu.c Projet : E-LLP/n900
inline u64 ps3_get_spe_id(void *arg)
{
	return spu_pdata(arg)->spe_id;
}