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Commit 40262b2b authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Russell King
Browse files

ARM: 5621/1: at91/dmaengine: integration of at_hdmac driver in at91sam9g45 series 



This is the integration of DMA engine driver into at91sam9g45 series
device file.
The associated driver is at_hdmac.

Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: default avatarAndrew Victor <linux@maxim.org.za>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 6ff89e9d

arch/arm/mach-at91/at91sam9g45_devices.c

+49 −0
Original line number Diff line number Diff line
@@ -24,10 +24,58 @@ 
#include <mach/at91sam9g45.h>

#include <mach/at91sam9g45_matrix.h>

#include <mach/at91sam9_smc.h>

#include <mach/at_hdmac.h>



#include "generic.h"





/* --------------------------------------------------------------------

 *  HDMAC - AHB DMA Controller

 * -------------------------------------------------------------------- */



#if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)

static u64 hdmac_dmamask = DMA_BIT_MASK(32);



static struct at_dma_platform_data atdma_pdata = {

	.nr_channels	= 8,

};



static struct resource hdmac_resources[] = {

	[0] = {

		.start	= AT91_BASE_SYS + AT91_DMA,

		.end	= AT91_BASE_SYS + AT91_DMA + SZ_512 - 1,

		.flags	= IORESOURCE_MEM,

	},

	[2] = {

		.start	= AT91SAM9G45_ID_DMA,

		.end	= AT91SAM9G45_ID_DMA,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device at_hdmac_device = {

	.name		= "at_hdmac",

	.id		= -1,

	.dev		= {

				.dma_mask		= &hdmac_dmamask,

				.coherent_dma_mask	= DMA_BIT_MASK(32),

				.platform_data		= &atdma_pdata,

	},

	.resource	= hdmac_resources,

	.num_resources	= ARRAY_SIZE(hdmac_resources),

};



void __init at91_add_device_hdmac(void)

{

	dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask);

	dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask);

	platform_device_register(&at_hdmac_device);

}

#else

void __init at91_add_device_hdmac(void) {}

#endif





/* --------------------------------------------------------------------

 *  USB Host (OHCI)

 * -------------------------------------------------------------------- */
@@ -1220,6 +1268,7 @@ void __init at91_add_device_serial(void) {} 
 */

static int __init at91_add_standard_devices(void)

{

	at91_add_device_hdmac();

	at91_add_device_rtc();

	at91_add_device_rtt();

	at91_add_device_watchdog();