| // THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT |
| |
| /* |
| * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef _HARDWARE_STRUCTS_PLL_H |
| #define _HARDWARE_STRUCTS_PLL_H |
| |
| #include "hardware/address_mapped.h" |
| #include "hardware/regs/pll.h" |
| |
| // Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_pll |
| // |
| // The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature) |
| // _REG_(x) will link to the corresponding register in hardware/regs/pll.h. |
| // |
| // Bit-field descriptions are of the form: |
| // BITMASK [BITRANGE]: FIELDNAME (RESETVALUE): DESCRIPTION |
| |
| /// \tag::pll_hw[] |
| typedef struct { |
| _REG_(PLL_CS_OFFSET) // PLL_CS |
| // Control and Status |
| // 0x80000000 [31] : LOCK (0): PLL is locked |
| // 0x00000100 [8] : BYPASS (0): Passes the reference clock to the output instead of the divided VCO |
| // 0x0000003f [5:0] : REFDIV (1): Divides the PLL input reference clock |
| io_rw_32 cs; |
| |
| _REG_(PLL_PWR_OFFSET) // PLL_PWR |
| // Controls the PLL power modes |
| // 0x00000020 [5] : VCOPD (1): PLL VCO powerdown |
| // 0x00000008 [3] : POSTDIVPD (1): PLL post divider powerdown |
| // 0x00000004 [2] : DSMPD (1): PLL DSM powerdown |
| // 0x00000001 [0] : PD (1): PLL powerdown |
| io_rw_32 pwr; |
| |
| _REG_(PLL_FBDIV_INT_OFFSET) // PLL_FBDIV_INT |
| // Feedback divisor |
| // 0x00000fff [11:0] : FBDIV_INT (0): see ctrl reg description for constraints |
| io_rw_32 fbdiv_int; |
| |
| _REG_(PLL_PRIM_OFFSET) // PLL_PRIM |
| // Controls the PLL post dividers for the primary output |
| // 0x00070000 [18:16] : POSTDIV1 (0x7): divide by 1-7 |
| // 0x00007000 [14:12] : POSTDIV2 (0x7): divide by 1-7 |
| io_rw_32 prim; |
| } pll_hw_t; |
| |
| #define pll_sys_hw ((pll_hw_t *const)PLL_SYS_BASE) |
| #define pll_usb_hw ((pll_hw_t *const)PLL_USB_BASE) |
| /// \end::pll_hw[] |
| |
| #endif |