1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright 2018-2020 Broadcom.
4 */
5
6#ifndef __UAPI_LINUX_MISC_BCM_VK_H
7#define __UAPI_LINUX_MISC_BCM_VK_H
8
9#include <linux/ioctl.h>
10#include <linux/types.h>
11
12#define BCM_VK_MAX_FILENAME 64
13
14struct vk_image {
15 __u32 type; /* Type of image */
16#define VK_IMAGE_TYPE_BOOT1 1 /* 1st stage (load to SRAM) */
17#define VK_IMAGE_TYPE_BOOT2 2 /* 2nd stage (load to DDR) */
18 __u8 filename[BCM_VK_MAX_FILENAME]; /* Filename of image */
19};
20
21struct vk_reset {
22 __u32 arg1;
23 __u32 arg2;
24};
25
26#define VK_MAGIC 0x5e
27
28/* Load image to Valkyrie */
29#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image)
30
31/* Send Reset to Valkyrie */
32#define VK_IOCTL_RESET _IOW(VK_MAGIC, 0x4, struct vk_reset)
33
34/*
35 * Firmware Status accessed directly via BAR space
36 */
37#define VK_BAR_FWSTS 0x41c
38#define VK_BAR_COP_FWSTS 0x428
39/* VK_FWSTS definitions */
40#define VK_FWSTS_RELOCATION_ENTRY (1UL << 0)
41#define VK_FWSTS_RELOCATION_EXIT (1UL << 1)
42#define VK_FWSTS_INIT_START (1UL << 2)
43#define VK_FWSTS_ARCH_INIT_DONE (1UL << 3)
44#define VK_FWSTS_PRE_KNL1_INIT_DONE (1UL << 4)
45#define VK_FWSTS_PRE_KNL2_INIT_DONE (1UL << 5)
46#define VK_FWSTS_POST_KNL_INIT_DONE (1UL << 6)
47#define VK_FWSTS_INIT_DONE (1UL << 7)
48#define VK_FWSTS_APP_INIT_START (1UL << 8)
49#define VK_FWSTS_APP_INIT_DONE (1UL << 9)
50#define VK_FWSTS_MASK 0xffffffff
51#define VK_FWSTS_READY (VK_FWSTS_INIT_START | \
52 VK_FWSTS_ARCH_INIT_DONE | \
53 VK_FWSTS_PRE_KNL1_INIT_DONE | \
54 VK_FWSTS_PRE_KNL2_INIT_DONE | \
55 VK_FWSTS_POST_KNL_INIT_DONE | \
56 VK_FWSTS_INIT_DONE | \
57 VK_FWSTS_APP_INIT_START | \
58 VK_FWSTS_APP_INIT_DONE)
59/* Deinit */
60#define VK_FWSTS_APP_DEINIT_START (1UL << 23)
61#define VK_FWSTS_APP_DEINIT_DONE (1UL << 24)
62#define VK_FWSTS_DRV_DEINIT_START (1UL << 25)
63#define VK_FWSTS_DRV_DEINIT_DONE (1UL << 26)
64#define VK_FWSTS_RESET_DONE (1UL << 27)
65#define VK_FWSTS_DEINIT_TRIGGERED (VK_FWSTS_APP_DEINIT_START | \
66 VK_FWSTS_APP_DEINIT_DONE | \
67 VK_FWSTS_DRV_DEINIT_START | \
68 VK_FWSTS_DRV_DEINIT_DONE)
69/* Last nibble for reboot reason */
70#define VK_FWSTS_RESET_REASON_SHIFT 28
71#define VK_FWSTS_RESET_REASON_MASK (0xf << VK_FWSTS_RESET_REASON_SHIFT)
72#define VK_FWSTS_RESET_SYS_PWRUP (0x0 << VK_FWSTS_RESET_REASON_SHIFT)
73#define VK_FWSTS_RESET_MBOX_DB (0x1 << VK_FWSTS_RESET_REASON_SHIFT)
74#define VK_FWSTS_RESET_M7_WDOG (0x2 << VK_FWSTS_RESET_REASON_SHIFT)
75#define VK_FWSTS_RESET_TEMP (0x3 << VK_FWSTS_RESET_REASON_SHIFT)
76#define VK_FWSTS_RESET_PCI_FLR (0x4 << VK_FWSTS_RESET_REASON_SHIFT)
77#define VK_FWSTS_RESET_PCI_HOT (0x5 << VK_FWSTS_RESET_REASON_SHIFT)
78#define VK_FWSTS_RESET_PCI_WARM (0x6 << VK_FWSTS_RESET_REASON_SHIFT)
79#define VK_FWSTS_RESET_PCI_COLD (0x7 << VK_FWSTS_RESET_REASON_SHIFT)
80#define VK_FWSTS_RESET_L1 (0x8 << VK_FWSTS_RESET_REASON_SHIFT)
81#define VK_FWSTS_RESET_L0 (0x9 << VK_FWSTS_RESET_REASON_SHIFT)
82#define VK_FWSTS_RESET_UNKNOWN (0xf << VK_FWSTS_RESET_REASON_SHIFT)
83
84#endif /* __UAPI_LINUX_MISC_BCM_VK_H */
85

source code of linux/include/uapi/linux/misc/bcm_vk.h