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: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -24,10 +24,58 @@
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#include <mach/at91sam9g45.h>
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#include <mach/at91sam9g45_matrix.h>
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#include <mach/at91sam9_smc.h>
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#include <mach/at_hdmac.h>
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#include "generic.h"
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/* --------------------------------------------------------------------
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* HDMAC - AHB DMA Controller
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
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static u64 hdmac_dmamask = DMA_BIT_MASK(32);
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static struct at_dma_platform_data atdma_pdata = {
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.nr_channels = 8,
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};
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static struct resource hdmac_resources[] = {
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[0] = {
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.start = AT91_BASE_SYS + AT91_DMA,
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.end = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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.start = AT91SAM9G45_ID_DMA,
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.end = AT91SAM9G45_ID_DMA,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device at_hdmac_device = {
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.name = "at_hdmac",
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.id = -1,
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.dev = {
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.dma_mask = &hdmac_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = &atdma_pdata,
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},
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.resource = hdmac_resources,
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.num_resources = ARRAY_SIZE(hdmac_resources),
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};
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void __init at91_add_device_hdmac(void)
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{
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dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask);
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dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask);
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platform_device_register(&at_hdmac_device);
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}
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#else
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void __init at91_add_device_hdmac(void) {}
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#endif
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/* --------------------------------------------------------------------
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* USB Host (OHCI)
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* -------------------------------------------------------------------- */
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@ -1220,6 +1268,7 @@ void __init at91_add_device_serial(void) {}
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*/
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static int __init at91_add_standard_devices(void)
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{
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at91_add_device_hdmac();
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at91_add_device_rtc();
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at91_add_device_rtt();
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at91_add_device_watchdog();
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