root/include/soc/canaan/k210-sysctl.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
 * Copyright (c) 2020 Western Digital Corporation or its affiliates.
 */
#ifndef K210_SYSCTL_H
#define K210_SYSCTL_H

/*
 * Kendryte K210 SoC system controller registers offsets.
 * Taken from Kendryte SDK (kendryte-standalone-sdk).
 */
#define K210_SYSCTL_GIT_ID      0x00 /* Git short commit id */
#define K210_SYSCTL_UART_BAUD   0x04 /* Default UARTHS baud rate */
#define K210_SYSCTL_PLL0        0x08 /* PLL0 controller */
#define K210_SYSCTL_PLL1        0x0C /* PLL1 controller */
#define K210_SYSCTL_PLL2        0x10 /* PLL2 controller */
#define K210_SYSCTL_PLL_LOCK    0x18 /* PLL lock tester */
#define K210_SYSCTL_ROM_ERROR   0x1C /* AXI ROM detector */
#define K210_SYSCTL_SEL0        0x20 /* Clock select controller 0 */
#define K210_SYSCTL_SEL1        0x24 /* Clock select controller 1 */
#define K210_SYSCTL_EN_CENT     0x28 /* Central clock enable */
#define K210_SYSCTL_EN_PERI     0x2C /* Peripheral clock enable */
#define K210_SYSCTL_SOFT_RESET  0x30 /* Soft reset ctrl */
#define K210_SYSCTL_PERI_RESET  0x34 /* Peripheral reset controller */
#define K210_SYSCTL_THR0        0x38 /* Clock threshold controller 0 */
#define K210_SYSCTL_THR1        0x3C /* Clock threshold controller 1 */
#define K210_SYSCTL_THR2        0x40 /* Clock threshold controller 2 */
#define K210_SYSCTL_THR3        0x44 /* Clock threshold controller 3 */
#define K210_SYSCTL_THR4        0x48 /* Clock threshold controller 4 */
#define K210_SYSCTL_THR5        0x4C /* Clock threshold controller 5 */
#define K210_SYSCTL_THR6        0x50 /* Clock threshold controller 6 */
#define K210_SYSCTL_MISC        0x54 /* Miscellaneous controller */
#define K210_SYSCTL_PERI        0x58 /* Peripheral controller */
#define K210_SYSCTL_SPI_SLEEP   0x5C /* SPI sleep controller */
#define K210_SYSCTL_RESET_STAT  0x60 /* Reset source status */
#define K210_SYSCTL_DMA_SEL0    0x64 /* DMA handshake selector 0 */
#define K210_SYSCTL_DMA_SEL1    0x68 /* DMA handshake selector 1 */
#define K210_SYSCTL_POWER_SEL   0x6C /* IO Power Mode Select controller */

void k210_clk_early_init(void __iomem *regs);

#endif