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 | |
41 | void k210_clk_early_init(void __iomem *regs); |
42 | |
43 | #endif |
44 | |