| /* |
| * Copyright (c) 2017 SiFive Inc |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef _SIFIVE_PRCI_H |
| #define _SIFIVE_PRCI_H |
| |
| #define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i))) |
| #define PRCI_REG(offset) _REG32(PRCI_BASE_ADDR, offset) |
| |
| /* Register offsets */ |
| |
| #define PRCI_HFROSCCFG (0x0000) |
| #define PRCI_HFXOSCCFG (0x0004) |
| #define PRCI_PLLCFG (0x0008) |
| #define PRCI_PLLDIV (0x000C) |
| #define PRCI_PROCMONCFG (0x00F0) |
| |
| /* Fields */ |
| #define ROSC_DIV(x) (((x) & 0x2F) << 0) |
| #define ROSC_TRIM(x) (((x) & 0x1F) << 16) |
| #define ROSC_EN(x) (((x) & 0x1) << 30) |
| #define ROSC_RDY(x) (((x) & 0x1) << 31) |
| |
| #define XOSC_EN(x) (((x) & 0x1) << 30) |
| #define XOSC_RDY(x) (((x) & 0x1) << 31) |
| |
| #define PLL_R(x) (((x) & 0x7) << 0) |
| /* single reserved bit for F LSB. */ |
| #define PLL_F(x) (((x) & 0x3F) << 4) |
| #define PLL_Q(x) (((x) & 0x3) << 10) |
| #define PLL_SEL(x) (((x) & 0x1) << 16) |
| #define PLL_REFSEL(x) (((x) & 0x1) << 17) |
| #define PLL_BYPASS(x) (((x) & 0x1) << 18) |
| #define PLL_LOCK(x) (((x) & 0x1) << 31) |
| |
| #define PLL_R_default 0x1 |
| #define PLL_F_default 0x1F |
| #define PLL_Q_default 0x3 |
| |
| #define PLL_REFSEL_HFROSC 0x0 |
| #define PLL_REFSEL_HFXOSC 0x1 |
| |
| #define PLL_SEL_HFROSC 0x0 |
| #define PLL_SEL_PLL 0x1 |
| |
| #define PLL_FINAL_DIV(x) (((x) & 0x3F) << 0) |
| #define PLL_FINAL_DIV_BY_1(x) (((x) & 0x1) << 8) |
| |
| #define PROCMON_DIV(x) (((x) & 0x1F) << 0) |
| #define PROCMON_TRIM(x) (((x) & 0x1F) << 8) |
| #define PROCMON_EN(x) (((x) & 0x1) << 16) |
| #define PROCMON_SEL(x) (((x) & 0x3) << 24) |
| #define PROCMON_NT_EN(x) (((x) & 0x1) << 28) |
| |
| #define PROCMON_SEL_HFCLK 0 |
| #define PROCMON_SEL_HFXOSCIN 1 |
| #define PROCMON_SEL_PLLOUTDIV 2 |
| #define PROCMON_SEL_PROCMON 3 |
| |
| #endif /* _SIFIVE_PRCI_H */ |
