ARM: orion: Consolidate the XOR platform setup code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

1 files changed, 215 insertions, 0 deletions

diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 65022094747a..0a2face7109e 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -19,6 +19,7 @@
 #include <net/dsa.h>
 #include <linux/spi/orion_spi.h>
 #include <plat/orion_wdt.h>
+#include <plat/mv_xor.h>
 
 /* Fill in the resources structure and link it into the platform
    device structure. There is always a memory region, and nearly
@@ -585,3 +586,217 @@ void __init orion_wdt_init(unsigned long tclk)
         orion_wdt_data.tclk = tclk;
         platform_device_register(&orion_wdt_device);
 }
+
+/*****************************************************************************
+ * XOR
+ ****************************************************************************/
+static struct mv_xor_platform_shared_data orion_xor_shared_data;
+
+static u64 orion_xor_dmamask = DMA_BIT_MASK(32);
+
+void __init orion_xor_init_channels(
+        struct mv_xor_platform_data *orion_xor0_data,
+        struct platform_device *orion_xor0_channel,
+        struct mv_xor_platform_data *orion_xor1_data,
+        struct platform_device *orion_xor1_channel)
+{
+        /*
+         * two engines can't do memset simultaneously, this limitation
+         * satisfied by removing memset support from one of the engines.
+         */
+        dma_cap_set(DMA_MEMCPY, orion_xor0_data->cap_mask);
+        dma_cap_set(DMA_XOR, orion_xor0_data->cap_mask);
+        platform_device_register(orion_xor0_channel);
+
+        dma_cap_set(DMA_MEMCPY, orion_xor1_data->cap_mask);
+        dma_cap_set(DMA_MEMSET, orion_xor1_data->cap_mask);
+        dma_cap_set(DMA_XOR, orion_xor1_data->cap_mask);
+        platform_device_register(orion_xor1_channel);
+}
+
+/*****************************************************************************
+ * XOR0
+ ****************************************************************************/
+static struct resource orion_xor0_shared_resources[] = {
+        {
+                .name   = "xor 0 low",
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .name   = "xor 0 high",
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device orion_xor0_shared = {
+        .name           = MV_XOR_SHARED_NAME,
+        .id             = 0,
+        .dev            = {
+                .platform_data = &orion_xor_shared_data,
+        },
+        .num_resources  = ARRAY_SIZE(orion_xor0_shared_resources),
+        .resource       = orion_xor0_shared_resources,
+};
+
+static struct resource orion_xor00_resources[] = {
+        [0] = {
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion_xor00_data = {
+        .shared         = &orion_xor0_shared,
+        .hw_id          = 0,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor00_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(orion_xor00_resources),
+        .resource       = orion_xor00_resources,
+        .dev            = {
+                .dma_mask               = &orion_xor_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(64),
+                .platform_data          = &orion_xor00_data,
+        },
+};
+
+static struct resource orion_xor01_resources[] = {
+        [0] = {
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion_xor01_data = {
+        .shared         = &orion_xor0_shared,
+        .hw_id          = 1,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor01_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(orion_xor01_resources),
+        .resource       = orion_xor01_resources,
+        .dev            = {
+                .dma_mask               = &orion_xor_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(64),
+                .platform_data          = &orion_xor01_data,
+        },
+};
+
+void __init orion_xor0_init(struct mbus_dram_target_info *mbus_dram_info,
+                            unsigned long mapbase_low,
+                            unsigned long mapbase_high,
+                            unsigned long irq_0,
+                            unsigned long irq_1)
+{
+        orion_xor_shared_data.dram = mbus_dram_info;
+
+        orion_xor0_shared_resources[0].start = mapbase_low;
+        orion_xor0_shared_resources[0].end = mapbase_low + 0xff;
+        orion_xor0_shared_resources[1].start = mapbase_high;
+        orion_xor0_shared_resources[1].end = mapbase_high + 0xff;
+
+        orion_xor00_resources[0].start = irq_0;
+        orion_xor00_resources[0].end = irq_0;
+        orion_xor01_resources[0].start = irq_1;
+        orion_xor01_resources[0].end = irq_1;
+
+        platform_device_register(&orion_xor0_shared);
+
+        orion_xor_init_channels(&orion_xor00_data, &orion_xor00_channel,
+                                &orion_xor01_data, &orion_xor01_channel);
+}
+
+/*****************************************************************************
+ * XOR1
+ ****************************************************************************/
+static struct resource orion_xor1_shared_resources[] = {
+        {
+                .name   = "xor 1 low",
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .name   = "xor 1 high",
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device orion_xor1_shared = {
+        .name           = MV_XOR_SHARED_NAME,
+        .id             = 1,
+        .dev            = {
+                .platform_data = &orion_xor_shared_data,
+        },
+        .num_resources  = ARRAY_SIZE(orion_xor1_shared_resources),
+        .resource       = orion_xor1_shared_resources,
+};
+
+static struct resource orion_xor10_resources[] = {
+        [0] = {
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion_xor10_data = {
+        .shared         = &orion_xor1_shared,
+        .hw_id          = 0,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor10_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 2,
+        .num_resources  = ARRAY_SIZE(orion_xor10_resources),
+        .resource       = orion_xor10_resources,
+        .dev            = {
+                .dma_mask               = &orion_xor_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(64),
+                .platform_data          = &orion_xor10_data,
+        },
+};
+
+static struct resource orion_xor11_resources[] = {
+        [0] = {
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mv_xor_platform_data orion_xor11_data = {
+        .shared         = &orion_xor1_shared,
+        .hw_id          = 1,
+        .pool_size      = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor11_channel = {
+        .name           = MV_XOR_NAME,
+        .id             = 3,
+        .num_resources  = ARRAY_SIZE(orion_xor11_resources),
+        .resource       = orion_xor11_resources,
+        .dev            = {
+                .dma_mask               = &orion_xor_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(64),
+                .platform_data          = &orion_xor11_data,
+        },
+};
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+                            unsigned long mapbase_high,
+                            unsigned long irq_0,
+                            unsigned long irq_1)
+{
+        orion_xor1_shared_resources[0].start = mapbase_low;
+        orion_xor1_shared_resources[0].end = mapbase_low + 0xff;
+        orion_xor1_shared_resources[1].start = mapbase_high;
+        orion_xor1_shared_resources[1].end = mapbase_high + 0xff;
+
+        orion_xor10_resources[0].start = irq_0;
+        orion_xor10_resources[0].end = irq_0;
+        orion_xor11_resources[0].start = irq_1;
+        orion_xor11_resources[0].end = irq_1;
+
+        platform_device_register(&orion_xor1_shared);
+
+        orion_xor_init_channels(&orion_xor10_data, &orion_xor10_channel,
+                                &orion_xor11_data, &orion_xor11_channel);
+}