1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
4 * Copyright (c) 2020 Western Digital Corporation or its affiliates.
5 */
6#ifndef K210_SYSCTL_H
7#define K210_SYSCTL_H
8
9/*
10 * Kendryte K210 SoC system controller registers offsets.
11 * Taken from Kendryte SDK (kendryte-standalone-sdk).
12 */
13#define K210_SYSCTL_GIT_ID 0x00 /* Git short commit id */
14#define K210_SYSCTL_UART_BAUD 0x04 /* Default UARTHS baud rate */
15#define K210_SYSCTL_PLL0 0x08 /* PLL0 controller */
16#define K210_SYSCTL_PLL1 0x0C /* PLL1 controller */
17#define K210_SYSCTL_PLL2 0x10 /* PLL2 controller */
18#define K210_SYSCTL_PLL_LOCK 0x18 /* PLL lock tester */
19#define K210_SYSCTL_ROM_ERROR 0x1C /* AXI ROM detector */
20#define K210_SYSCTL_SEL0 0x20 /* Clock select controller 0 */
21#define K210_SYSCTL_SEL1 0x24 /* Clock select controller 1 */
22#define K210_SYSCTL_EN_CENT 0x28 /* Central clock enable */
23#define K210_SYSCTL_EN_PERI 0x2C /* Peripheral clock enable */
24#define K210_SYSCTL_SOFT_RESET 0x30 /* Soft reset ctrl */
25#define K210_SYSCTL_PERI_RESET 0x34 /* Peripheral reset controller */
26#define K210_SYSCTL_THR0 0x38 /* Clock threshold controller 0 */
27#define K210_SYSCTL_THR1 0x3C /* Clock threshold controller 1 */
28#define K210_SYSCTL_THR2 0x40 /* Clock threshold controller 2 */
29#define K210_SYSCTL_THR3 0x44 /* Clock threshold controller 3 */
30#define K210_SYSCTL_THR4 0x48 /* Clock threshold controller 4 */
31#define K210_SYSCTL_THR5 0x4C /* Clock threshold controller 5 */
32#define K210_SYSCTL_THR6 0x50 /* Clock threshold controller 6 */
33#define K210_SYSCTL_MISC 0x54 /* Miscellaneous controller */
34#define K210_SYSCTL_PERI 0x58 /* Peripheral controller */
35#define K210_SYSCTL_SPI_SLEEP 0x5C /* SPI sleep controller */
36#define K210_SYSCTL_RESET_STAT 0x60 /* Reset source status */
37#define K210_SYSCTL_DMA_SEL0 0x64 /* DMA handshake selector 0 */
38#define K210_SYSCTL_DMA_SEL1 0x68 /* DMA handshake selector 1 */
39#define K210_SYSCTL_POWER_SEL 0x6C /* IO Power Mode Select controller */
40
41void k210_clk_early_init(void __iomem *regs);
42
43#endif
44

source code of linux/include/soc/canaan/k210-sysctl.h