From 1d5a1a6e92abb1ecb011a673e637146c4e232f1e Mon Sep 17 00:00:00 2001 From: Saeed Bishara Date: Mon, 16 Jun 2008 23:25:12 -1100 Subject: [ARM] Orion: Instantiate mv_xor driver for 5182 Signed-off-by: Saeed Bishara Signed-off-by: Lennert Buytenhek --- arch/arm/mach-orion5x/common.c | 98 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) (limited to 'arch/arm/mach-orion5x/common.c') diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 8f2146bd8a9..7b11e552bc5 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include "common.h" @@ -354,6 +355,103 @@ void __init orion5x_uart1_init(void) } +/***************************************************************************** + * XOR engine + ****************************************************************************/ +static struct resource orion5x_xor_shared_resources[] = { + { + .name = "xor low", + .start = ORION5X_XOR_PHYS_BASE, + .end = ORION5X_XOR_PHYS_BASE + 0xff, + .flags = IORESOURCE_MEM, + }, { + .name = "xor high", + .start = ORION5X_XOR_PHYS_BASE + 0x200, + .end = ORION5X_XOR_PHYS_BASE + 0x2ff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device orion5x_xor_shared = { + .name = MV_XOR_SHARED_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(orion5x_xor_shared_resources), + .resource = orion5x_xor_shared_resources, +}; + +static u64 orion5x_xor_dmamask = DMA_32BIT_MASK; + +static struct resource orion5x_xor0_resources[] = { + [0] = { + .start = IRQ_ORION5X_XOR0, + .end = IRQ_ORION5X_XOR0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data orion5x_xor0_data = { + .shared = &orion5x_xor_shared, + .hw_id = 0, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device orion5x_xor0_channel = { + .name = MV_XOR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(orion5x_xor0_resources), + .resource = orion5x_xor0_resources, + .dev = { + .dma_mask = &orion5x_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&orion5x_xor0_data, + }, +}; + +static struct resource orion5x_xor1_resources[] = { + [0] = { + .start = IRQ_ORION5X_XOR1, + .end = IRQ_ORION5X_XOR1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_platform_data orion5x_xor1_data = { + .shared = &orion5x_xor_shared, + .hw_id = 1, + .pool_size = PAGE_SIZE, +}; + +static struct platform_device orion5x_xor1_channel = { + .name = MV_XOR_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(orion5x_xor1_resources), + .resource = orion5x_xor1_resources, + .dev = { + .dma_mask = &orion5x_xor_dmamask, + .coherent_dma_mask = DMA_64BIT_MASK, + .platform_data = (void *)&orion5x_xor1_data, + }, +}; + +void __init orion5x_xor_init(void) +{ + platform_device_register(&orion5x_xor_shared); + + /* + * two engines can't do memset simultaneously, this limitation + * satisfied by removing memset support from one of the engines. + */ + dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask); + dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask); + platform_device_register(&orion5x_xor0_channel); + + dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask); + dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask); + dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask); + platform_device_register(&orion5x_xor1_channel); +} + + /***************************************************************************** * Time handling ****************************************************************************/ -- cgit v1.2.3