diff options
Diffstat (limited to 'src/soc/nvidia/tegra124/dma.c')
| -rw-r--r-- | src/soc/nvidia/tegra124/dma.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/src/soc/nvidia/tegra124/dma.c b/src/soc/nvidia/tegra124/dma.c index 964bb7b4a3..0ab0ad0932 100644 --- a/src/soc/nvidia/tegra124/dma.c +++ b/src/soc/nvidia/tegra124/dma.c @@ -26,95 +26,8 @@ #include "dma.h" -/* - * Note: Many APB DMA controller registers are laid out such that each - * bit controls or represents the status for the corresponding channel. - * So we will not bother to list each individual bit in this case. - */ -#define APBDMA_COMMAND_GEN (1 << 31) - -#define APBDMA_CNTRL_REG_COUNT_VALUE_MASK 0xffff -#define APBDMA_CNTRL_REG_COUNT_VALUE_SHIFT 0 - -struct apb_dma { - u32 command; /* 0x00 */ - u32 status; /* 0x04 */ - u32 rsvd1[2]; - u32 cntrl_reg; /* 0x10 */ - u32 irq_sta_cpu; /* 0x14 */ - u32 irq_sta_cop; /* 0x18 */ - u32 irq_mask; /* 0x1c */ - u32 irq_mask_set; /* 0x20 */ - u32 irq_mask_clr; /* 0x24 */ - u32 trig_reg; /* 0x28 */ - u32 channel_trig_reg; /* 0x2c */ - u32 dma_status; /* 0x30 */ - u32 channel_en_reg; /* 0x34 */ - u32 security_reg; /* 0x38 */ - u32 channel_swid; /* 0x3c */ - u32 rsvd[1]; - u32 chan_wt_reg0; /* 0x44 */ - u32 chan_wt_reg1; /* 0x48 */ - u32 chan_wt_reg2; /* 0x4c */ - u32 chan_wr_reg3; /* 0x50 */ - u32 channel_swid1; /* 0x54 */ -} __attribute__((packed)); struct apb_dma * const apb_dma = (struct apb_dma *)TEGRA_APB_DMA_BASE; -/* - * Naming in the doc included a superfluous _CHANNEL_n_ for - * each entry and was left out for the sake of conciseness. - */ -#define APBDMACHAN_CSR_ENB (1 << 31) -#define APBDMACHAN_CSR_IE_EOC (1 << 30) -#define APBDMACHAN_CSR_HOLD (1 << 29) -#define APBDMACHAN_CSR_DIR (1 << 28) -#define APBDMACHAN_CSR_ONCE (1 << 27) -#define APBDMACHAN_CSR_FLOW (1 << 21) -#define APBDMACHAN_CSR_REQ_SEL_MASK 0x1f -#define APBDMACHAN_CSR_REQ_SEL_SHIFT 16 - -#define APBDMACHAN_STA_BSY (1 << 31) -#define APBDMACHAN_STA_ISE_EOC (1 << 30) -#define APBDMACHAN_STA_HALT (1 << 29) -#define APBDMACHAN_STA_PING_PONG_STA (1 << 28) -#define APBDMACHAN_STA_DMA_ACTIVITY (1 << 27) -#define APBDMACHAN_STA_CHANNEL_PAUSE (1 << 26) - -#define APBDMACHAN_CSRE_CHANNEL_PAUSE (1 << 31) -#define APBDMACHAN_CSRE_TRIG_SEL_MASK 0x3f -#define APBDMACHAN_CSRE_TRIG_SEL_SHIFT 14 - -#define APBDMACHAN_AHB_PTR_MASK (0x3fffffff) -#define APBDMACHAN_AHB_PTR_SHIFT 2 - -#define APBDMACHAN_AHB_SEQ_INTR_ENB (1 << 31) -#define APBDMACHAN_AHB_SEQ_AHB_BUS_WIDTH_MASK 0x7 -#define APBDMACHAN_AHB_SEQ_AHB_BUS_WIDTH_SHIFT 28 -#define APBDMACHAN_AHB_SEQ_AHB_DATA_SWAP (1 << 27) -#define APBDMACHAN_AHB_SEQ_AHB_BURST_MASK 0x7 -#define APBDMACHAN_AHB_SEQ_AHB_BURST_SHIFT 24 -#define APBDMACHAN_AHB_SEQ_DBL_BUF (1 << 19) -#define APBDMACHAN_AHB_SEQ_WRAP_MASK 0x7 -#define APBDMACHAN_AHB_SEQ_WRAP_SHIFT 16 - -#define APBDMACHAN_AHB_SEQ_AHB_BUS_WIDTH_MASK 0x7 -#define APBDMACHAN_AHB_SEQ_AHB_BUS_WIDTH_SHIFT 28 - -#define APBDMACHAN_APB_PTR_MASK 0x3fffffff -#define APBDMACHAN_APB_PTR_SHIFT 2 - -#define APBDMACHAN_APB_SEQ_APB_BUS_WIDTH_MASK 0x7 -#define APBDMACHAN_APB_SEQ_APB_BUS_WIDTH_SHIFT 28 -#define APBDMACHAN_APB_SEQ_APB_DATA_SWAP (1 << 27) -#define APBDMACHAN_APB_SEQ_APB_ADDR_WRAP_MASK 0x7 -#define APBDMACHAN_APB_SEQ_APB_ADDR_WRAP_SHIFT 16 - -#define APBDMACHAN_WORD_TRANSFER_ - -#define APBDMACHAN_WORD_TRANSFER_MASK 0x0fffffff -#define APBDMACHAN_WORD_TRANSFER_SHIFT 2 - #define APB_DMA_OFFSET(n) \ (struct apb_dma_channel_regs *)(TEGRA_APB_DMA_BASE + n) struct apb_dma_channel apb_dma_channels[] = { |