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ARM: ux500: Remove DMA address look-up table
DMA addresses are now passed as part of the dmaengine API by invoking dmaengine_slave_config(). So there's no requirement for the DMA40 driver to look them up in a table provided by platform data. This method does not fit in well using Device Tree either. Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -42,87 +42,7 @@ static struct resource dma40_resources[] = {
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}
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}
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};
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};
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/*
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* Mapping between destination event lines and physical device address.
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* The event line is tied to a device and therefore the address is constant.
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* When the address comes from a primecell it will be configured in runtime
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* and we set the address to -1 as a placeholder.
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*/
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static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
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/* MUSB - these will be runtime-reconfigured */
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[DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8] = -1,
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[DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15] = -1,
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[DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14] = -1,
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[DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13] = -1,
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[DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12] = -1,
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[DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11] = -1,
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[DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10] = -1,
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[DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9] = -1,
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/* PrimeCells - run-time configured */
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[DB8500_DMA_DEV0_SPI0] = -1,
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[DB8500_DMA_DEV1_SD_MMC0] = -1,
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[DB8500_DMA_DEV2_SD_MMC1] = -1,
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[DB8500_DMA_DEV3_SD_MMC2] = -1,
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[DB8500_DMA_DEV8_SSP0] = -1,
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[DB8500_DMA_DEV9_SSP1] = -1,
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[DB8500_DMA_DEV11_UART2] = -1,
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[DB8500_DMA_DEV12_UART1] = -1,
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[DB8500_DMA_DEV13_UART0] = -1,
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[DB8500_DMA_DEV28_SD_MM2] = -1,
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[DB8500_DMA_DEV29_SD_MM0] = -1,
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[DB8500_DMA_DEV32_SD_MM1] = -1,
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[DB8500_DMA_DEV33_SPI2] = -1,
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[DB8500_DMA_DEV35_SPI1] = -1,
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[DB8500_DMA_DEV40_SPI3] = -1,
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[DB8500_DMA_DEV41_SD_MM3] = -1,
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[DB8500_DMA_DEV42_SD_MM4] = -1,
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[DB8500_DMA_DEV43_SD_MM5] = -1,
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[DB8500_DMA_DEV14_MSP2] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV30_MSP1] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV31_MSP0_SLIM0_CH0] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV48_CAC1] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
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[DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
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};
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/* Mapping between source event lines and physical device address */
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static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
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/* MUSB - these will be runtime-reconfigured */
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[DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8] = -1,
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[DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15] = -1,
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[DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14] = -1,
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[DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13] = -1,
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[DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12] = -1,
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[DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11] = -1,
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[DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10] = -1,
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[DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9] = -1,
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/* PrimeCells */
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[DB8500_DMA_DEV0_SPI0] = -1,
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[DB8500_DMA_DEV1_SD_MMC0] = -1,
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[DB8500_DMA_DEV2_SD_MMC1] = -1,
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[DB8500_DMA_DEV3_SD_MMC2] = -1,
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[DB8500_DMA_DEV8_SSP0] = -1,
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[DB8500_DMA_DEV9_SSP1] = -1,
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[DB8500_DMA_DEV11_UART2] = -1,
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[DB8500_DMA_DEV12_UART1] = -1,
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[DB8500_DMA_DEV13_UART0] = -1,
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[DB8500_DMA_DEV28_SD_MM2] = -1,
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[DB8500_DMA_DEV29_SD_MM0] = -1,
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[DB8500_DMA_DEV32_SD_MM1] = -1,
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[DB8500_DMA_DEV33_SPI2] = -1,
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[DB8500_DMA_DEV35_SPI1] = -1,
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[DB8500_DMA_DEV40_SPI3] = -1,
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[DB8500_DMA_DEV41_SD_MM3] = -1,
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[DB8500_DMA_DEV42_SD_MM4] = -1,
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[DB8500_DMA_DEV43_SD_MM5] = -1,
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[DB8500_DMA_DEV14_MSP2] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV30_MSP3] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV31_MSP0_SLIM0_CH0] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
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[DB8500_DMA_DEV48_CAC1] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
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};
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struct stedma40_platform_data dma40_plat_data = {
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struct stedma40_platform_data dma40_plat_data = {
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.dev_rx = dma40_rx_map,
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.dev_tx = dma40_tx_map,
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.disabled_channels = {-1},
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.disabled_channels = {-1},
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};
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};
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@ -152,8 +152,6 @@ struct stedma40_chan_cfg {
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* for 'multiple of 4' channels, like 8.
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* for 'multiple of 4' channels, like 8.
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*/
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*/
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struct stedma40_platform_data {
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struct stedma40_platform_data {
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const dma_addr_t *dev_tx;
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const dma_addr_t *dev_rx;
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int disabled_channels[STEDMA40_MAX_PHYS];
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int disabled_channels[STEDMA40_MAX_PHYS];
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int *soft_lli_chans;
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int *soft_lli_chans;
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int num_of_soft_lli_chans;
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int num_of_soft_lli_chans;
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