tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * PKUnity Direct Memory Access Controller (DMAC)
3 */
4
5/*
6 * Interrupt Status Reg DMAC_ISR.
7 */
8#define DMAC_ISR (PKUNITY_DMAC_BASE + 0x0020)
9/*
10 * Interrupt Transfer Complete Status Reg DMAC_ITCSR.
11 */
12#define DMAC_ITCSR (PKUNITY_DMAC_BASE + 0x0050)
13/*
14 * Interrupt Transfer Complete Clear Reg DMAC_ITCCR.
15 */
16#define DMAC_ITCCR (PKUNITY_DMAC_BASE + 0x0060)
17/*
18 * Interrupt Error Status Reg DMAC_IESR.
19 */
20#define DMAC_IESR (PKUNITY_DMAC_BASE + 0x0080)
21/*
22 * Interrupt Error Clear Reg DMAC_IECR.
23 */
24#define DMAC_IECR (PKUNITY_DMAC_BASE + 0x0090)
25/*
26 * Enable Channels Reg DMAC_ENCH.
27 */
28#define DMAC_ENCH (PKUNITY_DMAC_BASE + 0x00B0)
29
30/*
31 * DMA control reg. Space [byte]
32 */
33#define DMASp 0x00000100
34
35/*
36 * Source Addr DMAC_SRCADDR(ch).
37 */
38#define DMAC_SRCADDR(ch) (PKUNITY_DMAC_BASE + (ch)*DMASp + 0x00)
39/*
40 * Destination Addr DMAC_DESTADDR(ch).
41 */
42#define DMAC_DESTADDR(ch) (PKUNITY_DMAC_BASE + (ch)*DMASp + 0x04)
43/*
44 * Control Reg DMAC_CONTROL(ch).
45 */
46#define DMAC_CONTROL(ch) (PKUNITY_DMAC_BASE + (ch)*DMASp + 0x0C)
47/*
48 * Configuration Reg DMAC_CONFIG(ch).
49 */
50#define DMAC_CONFIG(ch) (PKUNITY_DMAC_BASE + (ch)*DMASp + 0x10)
51
52#define DMAC_IR_MASK FMASK(6, 0)
53/*
54 * select channel (ch)
55 */
56#define DMAC_CHANNEL(ch) FIELD(1, 1, (ch))
57
58#define DMAC_CONTROL_SIZE_BYTE(v) (FIELD((v), 12, 14) | \
59 FIELD(0, 3, 9) | FIELD(0, 3, 6))
60#define DMAC_CONTROL_SIZE_HWORD(v) (FIELD((v) >> 1, 12, 14) | \
61 FIELD(1, 3, 9) | FIELD(1, 3, 6))
62#define DMAC_CONTROL_SIZE_WORD(v) (FIELD((v) >> 2, 12, 14) | \
63 FIELD(2, 3, 9) | FIELD(2, 3, 6))
64#define DMAC_CONTROL_DI FIELD(1, 1, 13)
65#define DMAC_CONTROL_SI FIELD(1, 1, 12)
66#define DMAC_CONTROL_BURST_1BYTE (FIELD(0, 3, 3) | FIELD(0, 3, 0))
67#define DMAC_CONTROL_BURST_4BYTE (FIELD(3, 3, 3) | FIELD(3, 3, 0))
68#define DMAC_CONTROL_BURST_8BYTE (FIELD(5, 3, 3) | FIELD(5, 3, 0))
69#define DMAC_CONTROL_BURST_16BYTE (FIELD(7, 3, 3) | FIELD(7, 3, 0))
70
71#define DMAC_CONFIG_UART0_WR (FIELD(2, 4, 11) | FIELD(1, 2, 1))
72#define DMAC_CONFIG_UART0_RD (FIELD(2, 4, 7) | FIELD(2, 2, 1))
73#define DMAC_CONFIG_UART1_WR (FIELD(3, 4, 11) | FIELD(1, 2, 1))
74#define DMAC_CONFIG_UART1RD (FIELD(3, 4, 7) | FIELD(2, 2, 1))
75#define DMAC_CONFIG_AC97WR (FIELD(4, 4, 11) | FIELD(1, 2, 1))
76#define DMAC_CONFIG_AC97RD (FIELD(4, 4, 7) | FIELD(2, 2, 1))
77#define DMAC_CONFIG_MMCWR (FIELD(7, 4, 11) | FIELD(1, 2, 1))
78#define DMAC_CONFIG_MMCRD (FIELD(7, 4, 7) | FIELD(2, 2, 1))
79#define DMAC_CONFIG_MASKITC FIELD(1, 1, 4)
80#define DMAC_CONFIG_MASKIE FIELD(1, 1, 3)
81#define DMAC_CONFIG_EN FIELD(1, 1, 0)