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author | Tom Rini <trini@konsulko.com> | 2015-05-30 20:15:59 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2015-05-30 20:15:59 -0400 |
commit | b1f7ecc9b5f0ce07691f6804f436fcaa2a377b26 (patch) | |
tree | 0aea9d637deb6dd706e717a000148263fe89babc /arch/arm/include/asm/arch-sunxi/dma_sun4i.h | |
parent | cac6d4bfdc2543fb30bb04e42be42aeaf52ea348 (diff) | |
parent | 014414f53695ab3ba5a9d344ad1ba8952bce157c (diff) | |
download | u-boot-imx-b1f7ecc9b5f0ce07691f6804f436fcaa2a377b26.zip u-boot-imx-b1f7ecc9b5f0ce07691f6804f436fcaa2a377b26.tar.gz u-boot-imx-b1f7ecc9b5f0ce07691f6804f436fcaa2a377b26.tar.bz2 |
Merge branch 'master' of http://git.denx.de/u-boot-sunxi
Diffstat (limited to 'arch/arm/include/asm/arch-sunxi/dma_sun4i.h')
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/dma_sun4i.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/dma_sun4i.h b/arch/arm/include/asm/arch-sunxi/dma_sun4i.h new file mode 100644 index 0000000..778a04b --- /dev/null +++ b/arch/arm/include/asm/arch-sunxi/dma_sun4i.h @@ -0,0 +1,68 @@ +/* + * (C) Copyright 2015 Roy Spliet <rspliet@ultimaker.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _SUNXI_DMA_SUN4I_H +#define _SUNXI_DMA_SUN4I_H + +struct sunxi_dma_cfg +{ + u32 ctl; /* 0x00 Control */ + u32 src_addr; /* 0x04 Source address */ + u32 dst_addr; /* 0x08 Destination address */ + u32 bc; /* 0x0C Byte counter */ + u32 res0[2]; + u32 ddma_para; /* 0x18 extra parameter (dedicated DMA only) */ + u32 res1; +}; + +struct sunxi_dma +{ + u32 irq_en; /* 0x000 IRQ enable */ + u32 irq_pend; /* 0x004 IRQ pending */ + u32 auto_gate; /* 0x008 auto gating */ + u32 res0[61]; + struct sunxi_dma_cfg ndma[8]; /* 0x100 Normal DMA */ + u32 res1[64]; + struct sunxi_dma_cfg ddma[8]; /* 0x300 Dedicated DMA */ +}; + +enum ddma_drq_type { + DDMA_DST_DRQ_SRAM = 0, + DDMA_SRC_DRQ_SRAM = 0, + DDMA_DST_DRQ_SDRAM = 1, + DDMA_SRC_DRQ_SDRAM = 1, + DDMA_DST_DRQ_PATA = 2, + DDMA_SRC_DRQ_PATA = 2, + DDMA_DST_DRQ_NAND = 3, + DDMA_SRC_DRQ_NAND = 3, + DDMA_DST_DRQ_USB0 = 4, + DDMA_SRC_DRQ_USB0 = 4, + DDMA_DST_DRQ_ETHERNET_MAC_TX = 6, + DDMA_SRC_DRQ_ETHERNET_MAC_RX = 7, + DDMA_DST_DRQ_SPI1_TX = 8, + DDMA_SRC_DRQ_SPI1_RX = 9, + DDMA_DST_DRQ_SECURITY_SYS_TX = 10, + DDMA_SRC_DRQ_SECURITY_SYS_RX = 11, + DDMA_DST_DRQ_TCON0 = 14, + DDMA_DST_DRQ_TCON1 = 15, + DDMA_DST_DRQ_MSC = 23, + DDMA_SRC_DRQ_MSC = 23, + DDMA_DST_DRQ_SPI0_TX = 26, + DDMA_SRC_DRQ_SPI0_RX = 27, + DDMA_DST_DRQ_SPI2_TX = 28, + DDMA_SRC_DRQ_SPI2_RX = 29, + DDMA_DST_DRQ_SPI3_TX = 30, + DDMA_SRC_DRQ_SPI3_RX = 31, +}; + +#define SUNXI_DMA_CTL_SRC_DRQ(a) ((a) & 0x1f) +#define SUNXI_DMA_CTL_MODE_IO (1 << 5) +#define SUNXI_DMA_CTL_SRC_DATA_WIDTH_32 (2 << 9) +#define SUNXI_DMA_CTL_DST_DRQ(a) (((a) & 0x1f) << 16) +#define SUNXI_DMA_CTL_DST_DATA_WIDTH_32 (2 << 25) +#define SUNXI_DMA_CTL_TRIGGER (1 << 31) + +#endif /* _SUNXI_DMA_SUN4I_H */ |