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-rw-r--r--include/dt-bindings/clock/tegra114-car.h2
-rw-r--r--include/dt-bindings/clock/tegra124-car.h2
-rw-r--r--include/dt-bindings/clock/tegra20-car.h2
-rw-r--r--include/dt-bindings/memory/tegra114-mc.h25
-rw-r--r--include/dt-bindings/memory/tegra124-mc.h31
-rw-r--r--include/dt-bindings/memory/tegra30-mc.h24
-rw-r--r--include/dt-bindings/reset-controller/stih407-resets.h61
-rw-r--r--include/linux/iommu.h22
-rw-r--r--include/linux/reset-controller.h2
-rw-r--r--include/linux/reset.h7
-rw-r--r--include/soc/tegra/mc.h107
11 files changed, 282 insertions, 3 deletions
diff --git a/include/dt-bindings/clock/tegra114-car.h b/include/dt-bindings/clock/tegra114-car.h
index fc12621fb432..534c03f8ad72 100644
--- a/include/dt-bindings/clock/tegra114-car.h
+++ b/include/dt-bindings/clock/tegra114-car.h
@@ -49,7 +49,7 @@
#define TEGRA114_CLK_I2S0 30
/* 31 */
-/* 32 */
+#define TEGRA114_CLK_MC 32
/* 33 */
#define TEGRA114_CLK_APBDMA 34
/* 35 */
diff --git a/include/dt-bindings/clock/tegra124-car.h b/include/dt-bindings/clock/tegra124-car.h
index 6bac637fd635..af9bc9a3ddbc 100644
--- a/include/dt-bindings/clock/tegra124-car.h
+++ b/include/dt-bindings/clock/tegra124-car.h
@@ -48,7 +48,7 @@
#define TEGRA124_CLK_I2S0 30
/* 31 */
-/* 32 */
+#define TEGRA124_CLK_MC 32
/* 33 */
#define TEGRA124_CLK_APBDMA 34
/* 35 */
diff --git a/include/dt-bindings/clock/tegra20-car.h b/include/dt-bindings/clock/tegra20-car.h
index 9406207cfac8..04500b243a4d 100644
--- a/include/dt-bindings/clock/tegra20-car.h
+++ b/include/dt-bindings/clock/tegra20-car.h
@@ -49,7 +49,7 @@
/* 30 */
#define TEGRA20_CLK_CACHE2 31
-#define TEGRA20_CLK_MEM 32
+#define TEGRA20_CLK_MC 32
#define TEGRA20_CLK_AHBDMA 33
#define TEGRA20_CLK_APBDMA 34
/* 35 */
diff --git a/include/dt-bindings/memory/tegra114-mc.h b/include/dt-bindings/memory/tegra114-mc.h
new file mode 100644
index 000000000000..8f48985a3139
--- /dev/null
+++ b/include/dt-bindings/memory/tegra114-mc.h
@@ -0,0 +1,25 @@
+#ifndef DT_BINDINGS_MEMORY_TEGRA114_MC_H
+#define DT_BINDINGS_MEMORY_TEGRA114_MC_H
+
+#define TEGRA_SWGROUP_PTC 0
+#define TEGRA_SWGROUP_DC 1
+#define TEGRA_SWGROUP_DCB 2
+#define TEGRA_SWGROUP_EPP 3
+#define TEGRA_SWGROUP_G2 4
+#define TEGRA_SWGROUP_AVPC 5
+#define TEGRA_SWGROUP_NV 6
+#define TEGRA_SWGROUP_HDA 7
+#define TEGRA_SWGROUP_HC 8
+#define TEGRA_SWGROUP_MSENC 9
+#define TEGRA_SWGROUP_PPCS 10
+#define TEGRA_SWGROUP_VDE 11
+#define TEGRA_SWGROUP_MPCORELP 12
+#define TEGRA_SWGROUP_MPCORE 13
+#define TEGRA_SWGROUP_VI 14
+#define TEGRA_SWGROUP_ISP 15
+#define TEGRA_SWGROUP_XUSB_HOST 16
+#define TEGRA_SWGROUP_XUSB_DEV 17
+#define TEGRA_SWGROUP_EMUCIF 18
+#define TEGRA_SWGROUP_TSEC 19
+
+#endif
diff --git a/include/dt-bindings/memory/tegra124-mc.h b/include/dt-bindings/memory/tegra124-mc.h
new file mode 100644
index 000000000000..7d8ee798f34e
--- /dev/null
+++ b/include/dt-bindings/memory/tegra124-mc.h
@@ -0,0 +1,31 @@
+#ifndef DT_BINDINGS_MEMORY_TEGRA124_MC_H
+#define DT_BINDINGS_MEMORY_TEGRA124_MC_H
+
+#define TEGRA_SWGROUP_PTC 0
+#define TEGRA_SWGROUP_DC 1
+#define TEGRA_SWGROUP_DCB 2
+#define TEGRA_SWGROUP_AFI 3
+#define TEGRA_SWGROUP_AVPC 4
+#define TEGRA_SWGROUP_HDA 5
+#define TEGRA_SWGROUP_HC 6
+#define TEGRA_SWGROUP_MSENC 7
+#define TEGRA_SWGROUP_PPCS 8
+#define TEGRA_SWGROUP_SATA 9
+#define TEGRA_SWGROUP_VDE 10
+#define TEGRA_SWGROUP_MPCORELP 11
+#define TEGRA_SWGROUP_MPCORE 12
+#define TEGRA_SWGROUP_ISP2 13
+#define TEGRA_SWGROUP_XUSB_HOST 14
+#define TEGRA_SWGROUP_XUSB_DEV 15
+#define TEGRA_SWGROUP_ISP2B 16
+#define TEGRA_SWGROUP_TSEC 17
+#define TEGRA_SWGROUP_A9AVP 18
+#define TEGRA_SWGROUP_GPU 19
+#define TEGRA_SWGROUP_SDMMC1A 20
+#define TEGRA_SWGROUP_SDMMC2A 21
+#define TEGRA_SWGROUP_SDMMC3A 22
+#define TEGRA_SWGROUP_SDMMC4A 23
+#define TEGRA_SWGROUP_VIC 24
+#define TEGRA_SWGROUP_VI 25
+
+#endif
diff --git a/include/dt-bindings/memory/tegra30-mc.h b/include/dt-bindings/memory/tegra30-mc.h
new file mode 100644
index 000000000000..502beb03d777
--- /dev/null
+++ b/include/dt-bindings/memory/tegra30-mc.h
@@ -0,0 +1,24 @@
+#ifndef DT_BINDINGS_MEMORY_TEGRA30_MC_H
+#define DT_BINDINGS_MEMORY_TEGRA30_MC_H
+
+#define TEGRA_SWGROUP_PTC 0
+#define TEGRA_SWGROUP_DC 1
+#define TEGRA_SWGROUP_DCB 2
+#define TEGRA_SWGROUP_EPP 3
+#define TEGRA_SWGROUP_G2 4
+#define TEGRA_SWGROUP_MPE 5
+#define TEGRA_SWGROUP_VI 6
+#define TEGRA_SWGROUP_AFI 7
+#define TEGRA_SWGROUP_AVPC 8
+#define TEGRA_SWGROUP_NV 9
+#define TEGRA_SWGROUP_NV2 10
+#define TEGRA_SWGROUP_HDA 11
+#define TEGRA_SWGROUP_HC 12
+#define TEGRA_SWGROUP_PPCS 13
+#define TEGRA_SWGROUP_SATA 14
+#define TEGRA_SWGROUP_VDE 15
+#define TEGRA_SWGROUP_MPCORELP 16
+#define TEGRA_SWGROUP_MPCORE 17
+#define TEGRA_SWGROUP_ISP 18
+
+#endif
diff --git a/include/dt-bindings/reset-controller/stih407-resets.h b/include/dt-bindings/reset-controller/stih407-resets.h
new file mode 100644
index 000000000000..02d4328fe479
--- /dev/null
+++ b/include/dt-bindings/reset-controller/stih407-resets.h
@@ -0,0 +1,61 @@
+/*
+ * This header provides constants for the reset controller
+ * based peripheral powerdown requests on the STMicroelectronics
+ * STiH407 SoC.
+ */
+#ifndef _DT_BINDINGS_RESET_CONTROLLER_STIH407
+#define _DT_BINDINGS_RESET_CONTROLLER_STIH407
+
+/* Powerdown requests control 0 */
+#define STIH407_EMISS_POWERDOWN 0
+#define STIH407_NAND_POWERDOWN 1
+
+/* Synp GMAC PowerDown */
+#define STIH407_ETH1_POWERDOWN 2
+
+/* Powerdown requests control 1 */
+#define STIH407_USB3_POWERDOWN 3
+#define STIH407_USB2_PORT1_POWERDOWN 4
+#define STIH407_USB2_PORT0_POWERDOWN 5
+#define STIH407_PCIE1_POWERDOWN 6
+#define STIH407_PCIE0_POWERDOWN 7
+#define STIH407_SATA1_POWERDOWN 8
+#define STIH407_SATA0_POWERDOWN 9
+
+/* Reset defines */
+#define STIH407_ETH1_SOFTRESET 0
+#define STIH407_MMC1_SOFTRESET 1
+#define STIH407_PICOPHY_SOFTRESET 2
+#define STIH407_IRB_SOFTRESET 3
+#define STIH407_PCIE0_SOFTRESET 4
+#define STIH407_PCIE1_SOFTRESET 5
+#define STIH407_SATA0_SOFTRESET 6
+#define STIH407_SATA1_SOFTRESET 7
+#define STIH407_MIPHY0_SOFTRESET 8
+#define STIH407_MIPHY1_SOFTRESET 9
+#define STIH407_MIPHY2_SOFTRESET 10
+#define STIH407_SATA0_PWR_SOFTRESET 11
+#define STIH407_SATA1_PWR_SOFTRESET 12
+#define STIH407_DELTA_SOFTRESET 13
+#define STIH407_BLITTER_SOFTRESET 14
+#define STIH407_HDTVOUT_SOFTRESET 15
+#define STIH407_HDQVDP_SOFTRESET 16
+#define STIH407_VDP_AUX_SOFTRESET 17
+#define STIH407_COMPO_SOFTRESET 18
+#define STIH407_HDMI_TX_PHY_SOFTRESET 19
+#define STIH407_JPEG_DEC_SOFTRESET 20
+#define STIH407_VP8_DEC_SOFTRESET 21
+#define STIH407_GPU_SOFTRESET 22
+#define STIH407_HVA_SOFTRESET 23
+#define STIH407_ERAM_HVA_SOFTRESET 24
+#define STIH407_LPM_SOFTRESET 25
+#define STIH407_KEYSCAN_SOFTRESET 26
+#define STIH407_USB2_PORT0_SOFTRESET 27
+#define STIH407_USB2_PORT1_SOFTRESET 28
+
+/* Picophy reset defines */
+#define STIH407_PICOPHY0_RESET 0
+#define STIH407_PICOPHY1_RESET 1
+#define STIH407_PICOPHY2_RESET 2
+
+#endif /* _DT_BINDINGS_RESET_CONTROLLER_STIH407 */
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index e6a7c9ff72f2..b29a5982e1c3 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -22,6 +22,7 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/types.h>
+#include <linux/scatterlist.h>
#include <trace/events/iommu.h>
#define IOMMU_READ (1 << 0)
@@ -97,6 +98,8 @@ enum iommu_attr {
* @detach_dev: detach device from an iommu domain
* @map: map a physically contiguous memory region to an iommu domain
* @unmap: unmap a physically contiguous memory region from an iommu domain
+ * @map_sg: map a scatter-gather list of physically contiguous memory chunks
+ * to an iommu domain
* @iova_to_phys: translate iova to physical address
* @add_device: add device to iommu grouping
* @remove_device: remove device from iommu grouping
@@ -114,6 +117,8 @@ struct iommu_ops {
phys_addr_t paddr, size_t size, int prot);
size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
size_t size);
+ size_t (*map_sg)(struct iommu_domain *domain, unsigned long iova,
+ struct scatterlist *sg, unsigned int nents, int prot);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
int (*add_device)(struct device *dev);
void (*remove_device)(struct device *dev);
@@ -156,6 +161,9 @@ extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot);
extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
size_t size);
+extern size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+ struct scatterlist *sg,unsigned int nents,
+ int prot);
extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
extern void iommu_set_fault_handler(struct iommu_domain *domain,
iommu_fault_handler_t handler, void *token);
@@ -241,6 +249,13 @@ static inline int report_iommu_fault(struct iommu_domain *domain,
return ret;
}
+static inline size_t iommu_map_sg(struct iommu_domain *domain,
+ unsigned long iova, struct scatterlist *sg,
+ unsigned int nents, int prot)
+{
+ return domain->ops->map_sg(domain, iova, sg, nents, prot);
+}
+
#else /* CONFIG_IOMMU_API */
struct iommu_ops {};
@@ -293,6 +308,13 @@ static inline int iommu_unmap(struct iommu_domain *domain, unsigned long iova,
return -ENODEV;
}
+static inline size_t iommu_map_sg(struct iommu_domain *domain,
+ unsigned long iova, struct scatterlist *sg,
+ unsigned int nents, int prot)
+{
+ return -ENODEV;
+}
+
static inline int iommu_domain_window_enable(struct iommu_domain *domain,
u32 wnd_nr, phys_addr_t paddr,
u64 size, int prot)
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index 41a4695fde08..ce6b962ffed4 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -12,11 +12,13 @@ struct reset_controller_dev;
* things to reset the device
* @assert: manually assert the reset line, if supported
* @deassert: manually deassert the reset line, if supported
+ * @status: return the status of the reset line, if supported
*/
struct reset_control_ops {
int (*reset)(struct reset_controller_dev *rcdev, unsigned long id);
int (*assert)(struct reset_controller_dev *rcdev, unsigned long id);
int (*deassert)(struct reset_controller_dev *rcdev, unsigned long id);
+ int (*status)(struct reset_controller_dev *rcdev, unsigned long id);
};
struct module;
diff --git a/include/linux/reset.h b/include/linux/reset.h
index 349f150ae12c..da5602bd77d7 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -10,6 +10,7 @@ struct reset_control;
int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);
+int reset_control_status(struct reset_control *rstc);
struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
@@ -57,6 +58,12 @@ static inline int reset_control_deassert(struct reset_control *rstc)
return 0;
}
+static inline int reset_control_status(struct reset_control *rstc)
+{
+ WARN_ON(1);
+ return 0;
+}
+
static inline void reset_control_put(struct reset_control *rstc)
{
WARN_ON(1);
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
new file mode 100644
index 000000000000..63deb8d9f82a
--- /dev/null
+++ b/include/soc/tegra/mc.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2014 NVIDIA Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __SOC_TEGRA_MC_H__
+#define __SOC_TEGRA_MC_H__
+
+#include <linux/types.h>
+
+struct clk;
+struct device;
+struct page;
+
+struct tegra_smmu_enable {
+ unsigned int reg;
+ unsigned int bit;
+};
+
+/* latency allowance */
+struct tegra_mc_la {
+ unsigned int reg;
+ unsigned int shift;
+ unsigned int mask;
+ unsigned int def;
+};
+
+struct tegra_mc_client {
+ unsigned int id;
+ const char *name;
+ unsigned int swgroup;
+
+ unsigned int fifo_size;
+
+ struct tegra_smmu_enable smmu;
+ struct tegra_mc_la la;
+};
+
+struct tegra_smmu_swgroup {
+ unsigned int swgroup;
+ unsigned int reg;
+};
+
+struct tegra_smmu_ops {
+ void (*flush_dcache)(struct page *page, unsigned long offset,
+ size_t size);
+};
+
+struct tegra_smmu_soc {
+ const struct tegra_mc_client *clients;
+ unsigned int num_clients;
+
+ const struct tegra_smmu_swgroup *swgroups;
+ unsigned int num_swgroups;
+
+ bool supports_round_robin_arbitration;
+ bool supports_request_limit;
+
+ unsigned int num_asids;
+
+ const struct tegra_smmu_ops *ops;
+};
+
+struct tegra_mc;
+struct tegra_smmu;
+
+#ifdef CONFIG_TEGRA_IOMMU_SMMU
+struct tegra_smmu *tegra_smmu_probe(struct device *dev,
+ const struct tegra_smmu_soc *soc,
+ struct tegra_mc *mc);
+#else
+static inline struct tegra_smmu *
+tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
+ struct tegra_mc *mc)
+{
+ return NULL;
+}
+#endif
+
+struct tegra_mc_soc {
+ const struct tegra_mc_client *clients;
+ unsigned int num_clients;
+
+ const unsigned int *emem_regs;
+ unsigned int num_emem_regs;
+
+ unsigned int num_address_bits;
+ unsigned int atom_size;
+
+ const struct tegra_smmu_soc *smmu;
+};
+
+struct tegra_mc {
+ struct device *dev;
+ struct tegra_smmu *smmu;
+ void __iomem *regs;
+ struct clk *clk;
+ int irq;
+
+ const struct tegra_mc_soc *soc;
+ unsigned long tick;
+};
+
+#endif /* __SOC_TEGRA_MC_H__ */
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