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 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson - * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson - * Author: Rabin Vincent <rabinv.vincent@stericsson.com> for ST-Ericsson - * - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <linux/kernel.h> -#include <linux/platform_device.h> - -#include <plat/ste_dma40.h> -#include <mach/setup.h> -#include <mach/hardware.h> - -#include "ste-dma40-db5500.h" - -static struct resource dma40_resources[] = { - [0] = { - .start = U5500_DMA_BASE, - .end = U5500_DMA_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - .name = "base", - }, - [1] = { - .start = U5500_DMA_LCPA_BASE, - .end = U5500_DMA_LCPA_BASE + 2 * SZ_1K - 1, - .flags = IORESOURCE_MEM, - .name = "lcpa", - }, - [2] = { - .start = IRQ_DB5500_DMA, - .end = IRQ_DB5500_DMA, - .flags = IORESOURCE_IRQ - } -}; - -/* Default configuration for physical memcpy */ -static struct stedma40_chan_cfg dma40_memcpy_conf_phy = { - .mode = STEDMA40_MODE_PHYSICAL, - .dir = STEDMA40_MEM_TO_MEM, - - .src_info.data_width = STEDMA40_BYTE_WIDTH, - .src_info.psize = STEDMA40_PSIZE_PHY_1, - .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, - - .dst_info.data_width = STEDMA40_BYTE_WIDTH, - .dst_info.psize = STEDMA40_PSIZE_PHY_1, - .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, -}; - -/* Default configuration for logical memcpy */ -static struct stedma40_chan_cfg dma40_memcpy_conf_log = { - .dir = STEDMA40_MEM_TO_MEM, - - .src_info.data_width = STEDMA40_BYTE_WIDTH, - .src_info.psize = STEDMA40_PSIZE_LOG_1, - .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, - - .dst_info.data_width = STEDMA40_BYTE_WIDTH, - .dst_info.psize = STEDMA40_PSIZE_LOG_1, - .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, -}; - -/* - * Mapping between soruce event lines and physical device address This was - * created assuming that the event line is tied to a device and therefore the - * address is constant, however this is not true for at least USB, and the - * values are just placeholders for USB. This table is preserved and used for - * now. - */ -static const dma_addr_t dma40_rx_map[DB5500_DMA_NR_DEV] = { - [DB5500_DMA_DEV24_SDMMC0_RX] = -1, - [DB5500_DMA_DEV38_USB_OTG_IEP_8] = -1, - [DB5500_DMA_DEV23_USB_OTG_IEP_7_15] = -1, - [DB5500_DMA_DEV22_USB_OTG_IEP_6_14] = -1, - [DB5500_DMA_DEV21_USB_OTG_IEP_5_13] = -1, - [DB5500_DMA_DEV20_USB_OTG_IEP_4_12] = -1, - [DB5500_DMA_DEV6_USB_OTG_IEP_3_11] = -1, - [DB5500_DMA_DEV5_USB_OTG_IEP_2_10] = -1, - [DB5500_DMA_DEV4_USB_OTG_IEP_1_9] = -1, -}; - -/* Mapping between destination event lines and physical device address */ -static const dma_addr_t dma40_tx_map[DB5500_DMA_NR_DEV] = { - [DB5500_DMA_DEV24_SDMMC0_TX] = -1, - [DB5500_DMA_DEV38_USB_OTG_OEP_8] = -1, - [DB5500_DMA_DEV23_USB_OTG_OEP_7_15] = -1, - [DB5500_DMA_DEV22_USB_OTG_OEP_6_14] = -1, - [DB5500_DMA_DEV21_USB_OTG_OEP_5_13] = -1, - [DB5500_DMA_DEV20_USB_OTG_OEP_4_12] = -1, - [DB5500_DMA_DEV6_USB_OTG_OEP_3_11] = -1, - [DB5500_DMA_DEV5_USB_OTG_OEP_2_10] = -1, - [DB5500_DMA_DEV4_USB_OTG_OEP_1_9] = -1, -}; - -static int dma40_memcpy_event[] = { - DB5500_DMA_MEMCPY_TX_1, - DB5500_DMA_MEMCPY_TX_2, - DB5500_DMA_MEMCPY_TX_3, - DB5500_DMA_MEMCPY_TX_4, - DB5500_DMA_MEMCPY_TX_5, -}; - -static struct stedma40_platform_data dma40_plat_data = { - .dev_len = ARRAY_SIZE(dma40_rx_map), - .dev_rx = dma40_rx_map, - .dev_tx = dma40_tx_map, - .memcpy = dma40_memcpy_event, - .memcpy_len = ARRAY_SIZE(dma40_memcpy_event), - .memcpy_conf_phy = &dma40_memcpy_conf_phy, - .memcpy_conf_log = &dma40_memcpy_conf_log, - .disabled_channels = {-1}, -}; - -static struct platform_device dma40_device = { - .dev = { - .platform_data = &dma40_plat_data, - }, - .name = "dma40", - .id = 0, - .num_resources = ARRAY_SIZE(dma40_resources), - .resource = dma40_resources -}; - -void __init db5500_dma_init(struct device *parent) -{ - int ret; - - dma40_device.dev.parent = parent; - ret = platform_device_register(&dma40_device); - if (ret) - dev_err(&dma40_device.dev, "unable to register device: %d\n", ret); - -} |