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authorAndrew Lunn <andrew@lunn.ch>2011-05-15 13:32:48 +0200
committerNicolas Pitre <nico@fluxnic.net>2011-05-16 15:10:50 -0400
commitee9627234dae8d1b8059b2ac39c961ee0932b803 (patch)
tree1a2dfea66908b45439d322729cb6e34a59330682 /arch/arm/plat-orion/common.c
parent5e00d3783dd362a34c9816bb582103c9833e4643 (diff)
downloadlinux-linaro-stable-ee9627234dae8d1b8059b2ac39c961ee0932b803.tar.gz
ARM: orion: Consolidate the XOR platform setup code.
Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/plat-orion/common.c')
-rw-r--r--arch/arm/plat-orion/common.c215
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);
+}