diff options
Diffstat (limited to 'arch/arm/mach-ux500/dma-db5500.c')
| -rw-r--r-- | arch/arm/mach-ux500/dma-db5500.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/arch/arm/mach-ux500/dma-db5500.c b/arch/arm/mach-ux500/dma-db5500.c deleted file mode 100644 index 41e9470fa0e6..000000000000 --- a/arch/arm/mach-ux500/dma-db5500.c +++ /dev/null | |||
| @@ -1,137 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) ST-Ericsson SA 2010 | ||
| 3 | * | ||
| 4 | * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson | ||
| 5 | * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson | ||
| 6 | * Author: Rabin Vincent <rabinv.vincent@stericsson.com> for ST-Ericsson | ||
| 7 | * | ||
| 8 | * License terms: GNU General Public License (GPL), version 2 | ||
| 9 | */ | ||
| 10 | |||
| 11 | #include <linux/kernel.h> | ||
| 12 | #include <linux/platform_device.h> | ||
| 13 | |||
| 14 | #include <plat/ste_dma40.h> | ||
| 15 | #include <mach/setup.h> | ||
| 16 | #include <mach/hardware.h> | ||
| 17 | |||
| 18 | #include "ste-dma40-db5500.h" | ||
| 19 | |||
| 20 | static struct resource dma40_resources[] = { | ||
| 21 | [0] = { | ||
| 22 | .start = U5500_DMA_BASE, | ||
| 23 | .end = U5500_DMA_BASE + SZ_4K - 1, | ||
| 24 | .flags = IORESOURCE_MEM, | ||
| 25 | .name = "base", | ||
| 26 | }, | ||
| 27 | [1] = { | ||
| 28 | .start = U5500_DMA_LCPA_BASE, | ||
| 29 | .end = U5500_DMA_LCPA_BASE + 2 * SZ_1K - 1, | ||
| 30 | .flags = IORESOURCE_MEM, | ||
| 31 | .name = "lcpa", | ||
| 32 | }, | ||
| 33 | [2] = { | ||
| 34 | .start = IRQ_DB5500_DMA, | ||
| 35 | .end = IRQ_DB5500_DMA, | ||
| 36 | .flags = IORESOURCE_IRQ | ||
| 37 | } | ||
| 38 | }; | ||
| 39 | |||
| 40 | /* Default configuration for physical memcpy */ | ||
| 41 | static struct stedma40_chan_cfg dma40_memcpy_conf_phy = { | ||
| 42 | .mode = STEDMA40_MODE_PHYSICAL, | ||
| 43 | .dir = STEDMA40_MEM_TO_MEM, | ||
| 44 | |||
| 45 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | ||
| 46 | .src_info.psize = STEDMA40_PSIZE_PHY_1, | ||
| 47 | .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, | ||
| 48 | |||
| 49 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | ||
| 50 | .dst_info.psize = STEDMA40_PSIZE_PHY_1, | ||
| 51 | .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, | ||
| 52 | }; | ||
| 53 | |||
| 54 | /* Default configuration for logical memcpy */ | ||
| 55 | static struct stedma40_chan_cfg dma40_memcpy_conf_log = { | ||
| 56 | .dir = STEDMA40_MEM_TO_MEM, | ||
| 57 | |||
| 58 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | ||
| 59 | .src_info.psize = STEDMA40_PSIZE_LOG_1, | ||
| 60 | .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, | ||
| 61 | |||
| 62 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | ||
| 63 | .dst_info.psize = STEDMA40_PSIZE_LOG_1, | ||
| 64 | .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, | ||
| 65 | }; | ||
| 66 | |||
| 67 | /* | ||
| 68 | * Mapping between soruce event lines and physical device address This was | ||
| 69 | * created assuming that the event line is tied to a device and therefore the | ||
| 70 | * address is constant, however this is not true for at least USB, and the | ||
| 71 | * values are just placeholders for USB. This table is preserved and used for | ||
| 72 | * now. | ||
| 73 | */ | ||
| 74 | static const dma_addr_t dma40_rx_map[DB5500_DMA_NR_DEV] = { | ||
| 75 | [DB5500_DMA_DEV24_SDMMC0_RX] = -1, | ||
| 76 | [DB5500_DMA_DEV38_USB_OTG_IEP_8] = -1, | ||
| 77 | [DB5500_DMA_DEV23_USB_OTG_IEP_7_15] = -1, | ||
| 78 | [DB5500_DMA_DEV22_USB_OTG_IEP_6_14] = -1, | ||
| 79 | [DB5500_DMA_DEV21_USB_OTG_IEP_5_13] = -1, | ||
| 80 | [DB5500_DMA_DEV20_USB_OTG_IEP_4_12] = -1, | ||
| 81 | [DB5500_DMA_DEV6_USB_OTG_IEP_3_11] = -1, | ||
| 82 | [DB5500_DMA_DEV5_USB_OTG_IEP_2_10] = -1, | ||
| 83 | [DB5500_DMA_DEV4_USB_OTG_IEP_1_9] = -1, | ||
| 84 | }; | ||
| 85 | |||
| 86 | /* Mapping between destination event lines and physical device address */ | ||
| 87 | static const dma_addr_t dma40_tx_map[DB5500_DMA_NR_DEV] = { | ||
| 88 | [DB5500_DMA_DEV24_SDMMC0_TX] = -1, | ||
| 89 | [DB5500_DMA_DEV38_USB_OTG_OEP_8] = -1, | ||
| 90 | [DB5500_DMA_DEV23_USB_OTG_OEP_7_15] = -1, | ||
| 91 | [DB5500_DMA_DEV22_USB_OTG_OEP_6_14] = -1, | ||
| 92 | [DB5500_DMA_DEV21_USB_OTG_OEP_5_13] = -1, | ||
| 93 | [DB5500_DMA_DEV20_USB_OTG_OEP_4_12] = -1, | ||
| 94 | [DB5500_DMA_DEV6_USB_OTG_OEP_3_11] = -1, | ||
| 95 | [DB5500_DMA_DEV5_USB_OTG_OEP_2_10] = -1, | ||
| 96 | [DB5500_DMA_DEV4_USB_OTG_OEP_1_9] = -1, | ||
| 97 | }; | ||
| 98 | |||
| 99 | static int dma40_memcpy_event[] = { | ||
| 100 | DB5500_DMA_MEMCPY_TX_1, | ||
| 101 | DB5500_DMA_MEMCPY_TX_2, | ||
| 102 | DB5500_DMA_MEMCPY_TX_3, | ||
| 103 | DB5500_DMA_MEMCPY_TX_4, | ||
| 104 | DB5500_DMA_MEMCPY_TX_5, | ||
| 105 | }; | ||
| 106 | |||
| 107 | static struct stedma40_platform_data dma40_plat_data = { | ||
| 108 | .dev_len = ARRAY_SIZE(dma40_rx_map), | ||
| 109 | .dev_rx = dma40_rx_map, | ||
| 110 | .dev_tx = dma40_tx_map, | ||
| 111 | .memcpy = dma40_memcpy_event, | ||
| 112 | .memcpy_len = ARRAY_SIZE(dma40_memcpy_event), | ||
| 113 | .memcpy_conf_phy = &dma40_memcpy_conf_phy, | ||
| 114 | .memcpy_conf_log = &dma40_memcpy_conf_log, | ||
| 115 | .disabled_channels = {-1}, | ||
| 116 | }; | ||
| 117 | |||
| 118 | static struct platform_device dma40_device = { | ||
| 119 | .dev = { | ||
| 120 | .platform_data = &dma40_plat_data, | ||
| 121 | }, | ||
| 122 | .name = "dma40", | ||
| 123 | .id = 0, | ||
| 124 | .num_resources = ARRAY_SIZE(dma40_resources), | ||
| 125 | .resource = dma40_resources | ||
| 126 | }; | ||
| 127 | |||
| 128 | void __init db5500_dma_init(struct device *parent) | ||
| 129 | { | ||
| 130 | int ret; | ||
| 131 | |||
| 132 | dma40_device.dev.parent = parent; | ||
| 133 | ret = platform_device_register(&dma40_device); | ||
| 134 | if (ret) | ||
| 135 | dev_err(&dma40_device.dev, "unable to register device: %d\n", ret); | ||
| 136 | |||
| 137 | } | ||