Merge branches 'devel-iommu-mailbox' and 'devel-l2x0' into omap-for-l…

…inus
mariux64 · Dec 21, 2010 · 4584acc · 4584acc
3 parents f0c61d3 + c7d3e9e + b89cd71
commit 4584acc
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Showing 21 changed files with 238 additions and 137 deletions.
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -59,7 +59,17 @@
 #define L2X0_CACHE_ID_PART_MASK		(0xf << 6)
 #define L2X0_CACHE_ID_PART_L210		(1 << 6)
 #define L2X0_CACHE_ID_PART_L310		(3 << 6)
-#define L2X0_AUX_CTRL_WAY_SIZE_MASK	(0x3 << 17)
+
+#define L2X0_AUX_CTRL_MASK			0xc0000fff
+#define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT	16
+#define L2X0_AUX_CTRL_WAY_SIZE_SHIFT		17
+#define L2X0_AUX_CTRL_WAY_SIZE_MASK		(0x3 << 17)
+#define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT	22
+#define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT		26
+#define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT		27
+#define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT	28
+#define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT	29
+#define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT		30
 
 #ifndef __ASSEMBLY__
 extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask);

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
@@ -241,18 +241,15 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
  *
  */
 #ifndef __arch_ioremap
-#define ioremap(cookie,size)		__arm_ioremap(cookie, size, MT_DEVICE)
-#define ioremap_nocache(cookie,size)	__arm_ioremap(cookie, size, MT_DEVICE)
-#define ioremap_cached(cookie,size)	__arm_ioremap(cookie, size, MT_DEVICE_CACHED)
-#define ioremap_wc(cookie,size)		__arm_ioremap(cookie, size, MT_DEVICE_WC)
-#define iounmap(cookie)			__iounmap(cookie)
-#else
+#define __arch_ioremap			__arm_ioremap
+#define __arch_iounmap			__iounmap
+#endif
+
 #define ioremap(cookie,size)		__arch_ioremap((cookie), (size), MT_DEVICE)
 #define ioremap_nocache(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE)
 #define ioremap_cached(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE_CACHED)
 #define ioremap_wc(cookie,size)		__arch_ioremap((cookie), (size), MT_DEVICE_WC)
-#define iounmap(cookie)			__arch_iounmap(cookie)
-#endif
+#define iounmap				__arch_iounmap
 
 /*
  * io{read,write}{8,16,32} macros

diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h
@@ -22,8 +22,8 @@
 #define __mem_isa(a)		(a)
 
 #ifndef __ASSEMBLER__
-#define __arch_ioremap(p, s, t)	davinci_ioremap(p, s, t)
-#define __arch_iounmap(v)	davinci_iounmap(v)
+#define __arch_ioremap		davinci_ioremap
+#define __arch_iounmap		davinci_iounmap
 
 void __iomem *davinci_ioremap(unsigned long phys, size_t size,
 			      unsigned int type);

diff --git a/arch/arm/mach-iop13xx/include/mach/io.h b/arch/arm/mach-iop13xx/include/mach/io.h
@@ -35,7 +35,7 @@ extern u32 iop13xx_atux_mem_base;
 extern size_t iop13xx_atue_mem_size;
 extern size_t iop13xx_atux_mem_size;
 
-#define __arch_ioremap(a, s, f) __iop13xx_ioremap(a, s, f)
-#define __arch_iounmap(a)	 __iop13xx_iounmap(a)
+#define __arch_ioremap	__iop13xx_ioremap
+#define __arch_iounmap	__iop13xx_iounmap
 
 #endif
diff --git a/arch/arm/mach-iop32x/include/mach/io.h b/arch/arm/mach-iop32x/include/mach/io.h
@@ -21,7 +21,7 @@ extern void __iop3xx_iounmap(void __iomem *addr);
 #define __io(p)		((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
 #define __mem_pci(a)		(a)
 
-#define __arch_ioremap(a, s, f) __iop3xx_ioremap(a, s, f)
-#define __arch_iounmap(a)	 __iop3xx_iounmap(a)
+#define __arch_ioremap	__iop3xx_ioremap
+#define __arch_iounmap	__iop3xx_iounmap
 
 #endif
diff --git a/arch/arm/mach-iop33x/include/mach/io.h b/arch/arm/mach-iop33x/include/mach/io.h
@@ -21,7 +21,7 @@ extern void __iop3xx_iounmap(void __iomem *addr);
 #define __io(p)		((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
 #define __mem_pci(a)		(a)
 
-#define __arch_ioremap(a, s, f) __iop3xx_ioremap(a, s, f)
-#define __arch_iounmap(a)	 __iop3xx_iounmap(a)
+#define __arch_ioremap	__iop3xx_ioremap
+#define __arch_iounmap	__iop3xx_iounmap
 
 #endif
diff --git a/arch/arm/mach-ixp23xx/include/mach/io.h b/arch/arm/mach-ixp23xx/include/mach/io.h
@@ -45,8 +45,8 @@ ixp23xx_iounmap(void __iomem *addr)
 	__iounmap(addr);
 }
 
-#define __arch_ioremap(a,s,f)	ixp23xx_ioremap(a,s,f)
-#define __arch_iounmap(a)	ixp23xx_iounmap(a)
+#define __arch_ioremap	ixp23xx_ioremap
+#define __arch_iounmap	ixp23xx_iounmap
 
 
 #endif
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -74,8 +74,8 @@ static inline void __indirect_iounmap(void __iomem *addr)
 		__iounmap(addr);
 }
 
-#define __arch_ioremap(a, s, f)		__indirect_ioremap(a, s, f)
-#define __arch_iounmap(a)		__indirect_iounmap(a)
+#define __arch_ioremap			__indirect_ioremap
+#define __arch_iounmap			__indirect_iounmap
 
 #define writeb(v, p)			__indirect_writeb(v, p)
 #define writew(v, p)			__indirect_writew(v, p)

diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h
@@ -42,8 +42,8 @@ __arch_iounmap(void __iomem *addr)
 		__iounmap(addr);
 }
 
-#define __arch_ioremap(p, s, m)	__arch_ioremap(p, s, m)
-#define __arch_iounmap(a)	__arch_iounmap(a)
+#define __arch_ioremap		__arch_ioremap
+#define __arch_iounmap		__arch_iounmap
 #define __io(a)			__io(a)
 #define __mem_pci(a)		(a)
 

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
@@ -281,7 +281,7 @@ static struct omap_mbox_ops omap2_mbox_ops = {
 
 /* FIXME: the following structs should be filled automatically by the user id */
 
-#if defined(CONFIG_ARCH_OMAP3430) || defined(CONFIG_ARCH_OMAP2420)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP2)
 /* DSP */
 static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
 	.tx_fifo = {
@@ -306,7 +306,7 @@ struct omap_mbox mbox_dsp_info = {
 };
 #endif
 
-#if defined(CONFIG_ARCH_OMAP3430)
+#if defined(CONFIG_ARCH_OMAP3)
 struct omap_mbox *omap3_mboxes[] = { &mbox_dsp_info, NULL };
 #endif
 
@@ -394,15 +394,19 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 
 	if (false)
 		;
-#if defined(CONFIG_ARCH_OMAP3430)
-	else if (cpu_is_omap3430()) {
+#if defined(CONFIG_ARCH_OMAP3)
+	else if (cpu_is_omap34xx()) {
 		list = omap3_mboxes;
 
 		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
 	}
 #endif
-#if defined(CONFIG_ARCH_OMAP2420)
-	else if (cpu_is_omap2420()) {
+#if defined(CONFIG_ARCH_OMAP2)
+	else if (cpu_is_omap2430()) {
+		list = omap2_mboxes;
+
+		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
+	} else if (cpu_is_omap2420()) {
 		list = omap2_mboxes;
 
 		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
@@ -432,9 +436,8 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 		iounmap(mbox_base);
 		return ret;
 	}
-	return 0;
 
-	return ret;
+	return 0;
 }
 
 static int __devexit omap2_mbox_remove(struct platform_device *pdev)

diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
@@ -33,16 +33,20 @@ static struct iommu_device omap3_devices[] = {
 			.name = "isp",
 			.nr_tlb_entries = 8,
 			.clk_name = "cam_ick",
+			.da_start = 0x0,
+			.da_end = 0xFFFFF000,
 		},
 	},
-#if defined(CONFIG_MPU_BRIDGE_IOMMU)
+#if defined(CONFIG_OMAP_IOMMU_IVA2)
 	{
 		.base = 0x5d000000,
 		.irq = 28,
 		.pdata = {
 			.name = "iva2",
 			.nr_tlb_entries = 32,
 			.clk_name = "iva2_ck",
+			.da_start = 0x11000000,
+			.da_end = 0xFFFFF000,
 		},
 	},
 #endif
@@ -64,6 +68,8 @@ static struct iommu_device omap4_devices[] = {
 			.name = "ducati",
 			.nr_tlb_entries = 32,
 			.clk_name = "ducati_ick",
+			.da_start = 0x0,
+			.da_end = 0xFFFFF000,
 		},
 	},
 #if defined(CONFIG_MPU_TESLA_IOMMU)
@@ -74,6 +80,8 @@ static struct iommu_device omap4_devices[] = {
 			.name = "tesla",
 			.nr_tlb_entries = 32,
 			.clk_name = "tesla_ick",
+			.da_start = 0x0,
+			.da_end = 0xFFFFF000,
 		},
 	},
 #endif

diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
@@ -53,6 +53,8 @@ static void omap4_l2x0_disable(void)
 
 static int __init omap_l2_cache_init(void)
 {
+	u32 aux_ctrl = 0;
+
 	/*
 	 * To avoid code running on other OMAPs in
 	 * multi-omap builds
@@ -64,18 +66,32 @@ static int __init omap_l2_cache_init(void)
 	l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K);
 	BUG_ON(!l2cache_base);
 
-	/* Enable PL310 L2 Cache controller */
-	omap_smc1(0x102, 0x1);
-
 	/*
 	 * 16-way associativity, parity disabled
 	 * Way size - 32KB (es1.0)
 	 * Way size - 64KB (es2.0 +)
 	 */
-	if (omap_rev() == OMAP4430_REV_ES1_0)
-		l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff);
-	else
-		l2x0_init(l2cache_base, 0x0e070000, 0xc0000fff);
+	aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) |
+			(0x1 << 25) |
+			(0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) |
+			(0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT));
+
+	if (omap_rev() == OMAP4430_REV_ES1_0) {
+		aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT;
+	} else {
+		aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) |
+			(1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) |
+			(1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) |
+			(1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) |
+			(1 << L2X0_AUX_CTRL_EARLY_BRESP_SHIFT));
+	}
+	if (omap_rev() != OMAP4430_REV_ES1_0)
+		omap_smc1(0x109, aux_ctrl);
+
+	/* Enable PL310 L2 Cache controller */
+	omap_smc1(0x102, 0x1);
+
+	l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK);
 
 	/*
 	 * Override default outer_cache.disable with a OMAP4

diff --git a/arch/arm/mach-orion5x/include/mach/io.h b/arch/arm/mach-orion5x/include/mach/io.h
@@ -38,8 +38,8 @@ __arch_iounmap(void __iomem *addr)
 		__iounmap(addr);
 }
 
-#define __arch_ioremap(p, s, m)	__arch_ioremap(p, s, m)
-#define __arch_iounmap(a)	__arch_iounmap(a)
+#define __arch_ioremap		__arch_ioremap
+#define __arch_iounmap		__arch_iounmap
 #define __io(a)			__typesafe_io(a)
 #define __mem_pci(a)		(a)
 

diff --git a/arch/arm/mach-tegra/include/mach/io.h b/arch/arm/mach-tegra/include/mach/io.h
@@ -65,8 +65,8 @@
 
 #ifndef __ASSEMBLER__
 
-#define __arch_ioremap(p, s, t)	tegra_ioremap(p, s, t)
-#define __arch_iounmap(v)	tegra_iounmap(v)
+#define __arch_ioremap		tegra_ioremap
+#define __arch_iounmap		tegra_iounmap
 
 void __iomem *tegra_ioremap(unsigned long phys, size_t size, unsigned int type);
 void tegra_iounmap(volatile void __iomem *addr);

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
@@ -109,6 +109,9 @@ config OMAP_IOMMU_DEBUG
 
          Say N unless you know you need this.
 
+config OMAP_IOMMU_IVA2
+	bool
+
 choice
 	prompt "System timer"
 	default OMAP_32K_TIMER if !ARCH_OMAP15XX

diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
@@ -294,8 +294,8 @@ static inline void omap44xx_map_common_io(void)
 extern void omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 				 struct omap_sdrc_params *sdrc_cs1);
 
-#define __arch_ioremap(p,s,t)	omap_ioremap(p,s,t)
-#define __arch_iounmap(v)	omap_iounmap(v)
+#define __arch_ioremap	omap_ioremap
+#define __arch_iounmap	omap_iounmap
 
 void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type);
 void omap_iounmap(volatile void __iomem *addr);

diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
@@ -50,6 +50,8 @@ struct iommu {
 	int (*isr)(struct iommu *obj);
 
 	void *ctx; /* iommu context: registres saved area */
+	u32 da_start;
+	u32 da_end;
 };
 
 struct cr_regs {
@@ -103,6 +105,8 @@ struct iommu_platform_data {
 	const char *name;
 	const char *clk_name;
 	const int nr_tlb_entries;
+	u32 da_start;
+	u32 da_end;
 };
 
 #if defined(CONFIG_ARCH_OMAP1)
@@ -152,6 +156,7 @@ extern void flush_iotlb_all(struct iommu *obj);
 extern int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e);
 extern size_t iopgtable_clear_entry(struct iommu *obj, u32 iova);
 
+extern int iommu_set_da_range(struct iommu *obj, u32 start, u32 end);
 extern struct iommu *iommu_get(const char *name);
 extern void iommu_put(struct iommu *obj);
 

diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h
@@ -46,8 +46,8 @@ struct omap_mbox_queue {
 	struct kfifo		fifo;
 	struct work_struct	work;
 	struct tasklet_struct	tasklet;
-	int	(*callback)(void *);
 	struct omap_mbox	*mbox;
+	bool full;
 };
 
 struct omap_mbox {
@@ -57,13 +57,15 @@ struct omap_mbox {
 	struct omap_mbox_ops	*ops;
 	struct device		*dev;
 	void			*priv;
+	int			use_count;
+	struct blocking_notifier_head   notifier;
 };
 
 int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
 void omap_mbox_init_seq(struct omap_mbox *);
 
-struct omap_mbox *omap_mbox_get(const char *);
-void omap_mbox_put(struct omap_mbox *);
+struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb);
+void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb);
 
 int omap_mbox_register(struct device *parent, struct omap_mbox **);
 int omap_mbox_unregister(void);

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
@@ -829,6 +829,28 @@ static int device_match_by_alias(struct device *dev, void *data)
 	return strcmp(obj->name, name) == 0;
 }
 
+/**
+ * iommu_set_da_range - Set a valid device address range
+ * @obj:		target iommu
+ * @start		Start of valid range
+ * @end			End of valid range
+ **/
+int iommu_set_da_range(struct iommu *obj, u32 start, u32 end)
+{
+
+	if (!obj)
+		return -EFAULT;
+
+	if (end < start || !PAGE_ALIGN(start | end))
+		return -EINVAL;
+
+	obj->da_start = start;
+	obj->da_end = end;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(iommu_set_da_range);
+
 /**
  * iommu_get - Get iommu handler
  * @name:	target iommu name
@@ -922,6 +944,8 @@ static int __devinit omap_iommu_probe(struct platform_device *pdev)
 	obj->name = pdata->name;
 	obj->dev = &pdev->dev;
 	obj->ctx = (void *)obj + sizeof(*obj);
+	obj->da_start = pdata->da_start;
+	obj->da_end = pdata->da_end;
 
 	mutex_init(&obj->iommu_lock);
 	mutex_init(&obj->mmap_lock);