diff options
author | Andrew Lunn <andrew@lunn.ch> | 2011-05-15 13:32:48 +0200 |
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committer | Nicolas Pitre <nico@fluxnic.net> | 2011-05-16 15:10:50 -0400 |
commit | ee9627234dae8d1b8059b2ac39c961ee0932b803 (patch) | |
tree | 1a2dfea66908b45439d322729cb6e34a59330682 /arch/arm/plat-orion | |
parent | 5e00d3783dd362a34c9816bb582103c9833e4643 (diff) | |
download | linux-ee9627234dae8d1b8059b2ac39c961ee0932b803.tar.bz2 |
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')
-rw-r--r-- | arch/arm/plat-orion/common.c | 215 | ||||
-rw-r--r-- | arch/arm/plat-orion/include/plat/common.h | 11 |
2 files changed, 226 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); +} diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index 38ae4bfd22a4..0e11ca5acd02 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h @@ -81,4 +81,15 @@ void __init orion_spi_1_init(unsigned long mapbase, unsigned long tclk); void __init orion_wdt_init(unsigned long tclk); + +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); + +void __init orion_xor1_init(unsigned long mapbase_low, + unsigned long mapbase_high, + unsigned long irq_0, + unsigned long irq_1); #endif |