1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * cx18 System Control Block initialization
4 *
5 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
6 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
7 */
8
9 #include "cx18-driver.h"
10 #include "cx18-io.h"
11 #include "cx18-scb.h"
12
cx18_init_scb(struct cx18 * cx)13 void cx18_init_scb(struct cx18 *cx)
14 {
15 cx18_setup_page(cx, SCB_OFFSET);
16 cx18_memset_io(cx, cx->scb, 0, 0x10000);
17
18 cx18_writel(cx, IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq);
19 cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
20 cx18_writel(cx, IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq);
21 cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
22 cx18_writel(cx, IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq);
23 cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
24 cx18_writel(cx, IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq);
25 cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
26
27 cx18_writel(cx, IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq);
28 cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
29 cx18_writel(cx, IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq);
30 cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
31 cx18_writel(cx, IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq);
32 cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
33 cx18_writel(cx, IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq);
34 cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
35
36 cx18_writel(cx, IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq);
37 cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
38 cx18_writel(cx, IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq);
39 cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
40 cx18_writel(cx, IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq);
41 cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
42 cx18_writel(cx, IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq);
43 cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
44
45 cx18_writel(cx, IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq);
46 cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
47 cx18_writel(cx, IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq);
48 cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
49 cx18_writel(cx, IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq);
50 cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
51 cx18_writel(cx, IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq);
52 cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
53
54 cx18_writel(cx, IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq);
55 cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
56 cx18_writel(cx, IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq);
57 cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
58 cx18_writel(cx, IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq);
59 cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
60 cx18_writel(cx, IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq);
61 cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
62
63 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
64 &cx->scb->apu2cpu_mb_offset);
65 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
66 &cx->scb->hpu2cpu_mb_offset);
67 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
68 &cx->scb->ppu2cpu_mb_offset);
69 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
70 &cx->scb->epu2cpu_mb_offset);
71 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
72 &cx->scb->cpu2apu_mb_offset);
73 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
74 &cx->scb->hpu2apu_mb_offset);
75 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
76 &cx->scb->ppu2apu_mb_offset);
77 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
78 &cx->scb->epu2apu_mb_offset);
79 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
80 &cx->scb->cpu2hpu_mb_offset);
81 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
82 &cx->scb->apu2hpu_mb_offset);
83 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
84 &cx->scb->ppu2hpu_mb_offset);
85 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
86 &cx->scb->epu2hpu_mb_offset);
87 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
88 &cx->scb->cpu2ppu_mb_offset);
89 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
90 &cx->scb->apu2ppu_mb_offset);
91 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
92 &cx->scb->hpu2ppu_mb_offset);
93 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
94 &cx->scb->epu2ppu_mb_offset);
95 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
96 &cx->scb->cpu2epu_mb_offset);
97 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
98 &cx->scb->apu2epu_mb_offset);
99 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
100 &cx->scb->hpu2epu_mb_offset);
101 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
102 &cx->scb->ppu2epu_mb_offset);
103
104 cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
105 &cx->scb->ipc_offset);
106
107 cx18_writel(cx, 1, &cx->scb->epu_state);
108 }
109