/* * Copyright (c) 2008 Carsten Schlote * See file CREDITS for list of people who contributed to this project. * * This file is part of U-Boot V2. * * U-Boot V2 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * U-Boot V2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with U-Boot V2. If not, see . */ /** @file * Declaration of support function used with the MultiChannel DMA */ #ifndef _DMA_UTILS_H_ #define _DMA_UTILS_H_ void dma_irq_enable(uint8_t, uint8_t); void dma_irq_disable(void); int dma_set_initiator(int); uint32_t dma_get_initiator(int); void dma_free_initiator(int); int dma_set_channel(int, void (*)(void)); int dma_get_channel(int); void dma_free_channel(int); int dma_interrupt_handler(void *, void *); /* * Create identifiers for each initiator/requestor */ #define DMA_ALWAYS (0) #define DMA_DSPI_RX (1) #define DMA_DSPI_TX (2) #define DMA_DREQ0 (3) #define DMA_PSC0_RX (4) #define DMA_PSC0_TX (5) #define DMA_USBEP0 (6) #define DMA_USBEP1 (7) #define DMA_USBEP2 (8) #define DMA_USBEP3 (9) #define DMA_PCI_TX (10) #define DMA_PCI_RX (11) #define DMA_PSC1_RX (12) #define DMA_PSC1_TX (13) #define DMA_I2C_RX (14) #define DMA_I2C_TX (15) #define DMA_FEC0_RX (16) #define DMA_FEC0_TX (17) #define DMA_FEC1_RX (18) #define DMA_FEC1_TX (19) #define DMA_DREQ1 (20) #define DMA_CTM0 (21) #define DMA_CTM1 (22) #define DMA_CTM2 (23) #define DMA_CTM3 (24) #define DMA_CTM4 (25) #define DMA_CTM5 (26) #define DMA_CTM6 (27) #define DMA_CTM7 (28) #define DMA_USBEP4 (29) #define DMA_USBEP5 (30) #define DMA_USBEP6 (31) #define DMA_PSC2_RX (32) #define DMA_PSC2_TX (33) #define DMA_PSC3_RX (34) #define DMA_PSC3_TX (35) #define DMA_FEC_RX(x) ((x == 0) ? DMA_FEC0_RX : DMA_FEC1_RX) #define DMA_FEC_TX(x) ((x == 0) ? DMA_FEC0_TX : DMA_FEC1_TX) #endif /* _DMA_UTILS_H_ */