diff options
Diffstat (limited to 'lib/rp2040/hardware/regs/pll.h')
| -rw-r--r-- | lib/rp2040/hardware/regs/pll.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/lib/rp2040/hardware/regs/pll.h b/lib/rp2040/hardware/regs/pll.h new file mode 100644 index 00000000..a0f5ad0e --- /dev/null +++ b/lib/rp2040/hardware/regs/pll.h @@ -0,0 +1,135 @@ +/** + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +// ============================================================================= +// Register block : PLL +// Version : 1 +// Bus type : apb +// Description : None +// ============================================================================= +#ifndef HARDWARE_REGS_PLL_DEFINED +#define HARDWARE_REGS_PLL_DEFINED +// ============================================================================= +// Register : PLL_CS +// Description : Control and Status +// GENERAL CONSTRAINTS: +// Reference clock frequency min=5MHz, max=800MHz +// Feedback divider min=16, max=320 +// VCO frequency min=400MHz, max=1600MHz +#define PLL_CS_OFFSET _u(0x00000000) +#define PLL_CS_BITS _u(0x8000013f) +#define PLL_CS_RESET _u(0x00000001) +// ----------------------------------------------------------------------------- +// Field : PLL_CS_LOCK +// Description : PLL is locked +#define PLL_CS_LOCK_RESET _u(0x0) +#define PLL_CS_LOCK_BITS _u(0x80000000) +#define PLL_CS_LOCK_MSB _u(31) +#define PLL_CS_LOCK_LSB _u(31) +#define PLL_CS_LOCK_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : PLL_CS_BYPASS +// Description : Passes the reference clock to the output instead of the divided +// VCO. The VCO continues to run so the user can switch between +// the reference clock and the divided VCO but the output will +// glitch when doing so. +#define PLL_CS_BYPASS_RESET _u(0x0) +#define PLL_CS_BYPASS_BITS _u(0x00000100) +#define PLL_CS_BYPASS_MSB _u(8) +#define PLL_CS_BYPASS_LSB _u(8) +#define PLL_CS_BYPASS_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : PLL_CS_REFDIV +// Description : Divides the PLL input reference clock. +// Behaviour is undefined for div=0. +// PLL output will be unpredictable during refdiv changes, wait +// for lock=1 before using it. +#define PLL_CS_REFDIV_RESET _u(0x01) +#define PLL_CS_REFDIV_BITS _u(0x0000003f) +#define PLL_CS_REFDIV_MSB _u(5) +#define PLL_CS_REFDIV_LSB _u(0) +#define PLL_CS_REFDIV_ACCESS "RW" +// ============================================================================= +// Register : PLL_PWR +// Description : Controls the PLL power modes. +#define PLL_PWR_OFFSET _u(0x00000004) +#define PLL_PWR_BITS _u(0x0000002d) +#define PLL_PWR_RESET _u(0x0000002d) +// ----------------------------------------------------------------------------- +// Field : PLL_PWR_VCOPD +// Description : PLL VCO powerdown +// To save power set high when PLL output not required or +// bypass=1. +#define PLL_PWR_VCOPD_RESET _u(0x1) +#define PLL_PWR_VCOPD_BITS _u(0x00000020) +#define PLL_PWR_VCOPD_MSB _u(5) +#define PLL_PWR_VCOPD_LSB _u(5) +#define PLL_PWR_VCOPD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : PLL_PWR_POSTDIVPD +// Description : PLL post divider powerdown +// To save power set high when PLL output not required or +// bypass=1. +#define PLL_PWR_POSTDIVPD_RESET _u(0x1) +#define PLL_PWR_POSTDIVPD_BITS _u(0x00000008) +#define PLL_PWR_POSTDIVPD_MSB _u(3) +#define PLL_PWR_POSTDIVPD_LSB _u(3) +#define PLL_PWR_POSTDIVPD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : PLL_PWR_DSMPD +// Description : PLL DSM powerdown +// Nothing is achieved by setting this low. +#define PLL_PWR_DSMPD_RESET _u(0x1) +#define PLL_PWR_DSMPD_BITS _u(0x00000004) +#define PLL_PWR_DSMPD_MSB _u(2) +#define PLL_PWR_DSMPD_LSB _u(2) +#define PLL_PWR_DSMPD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : PLL_PWR_PD +// Description : PLL powerdown +// To save power set high when PLL output not required. +#define PLL_PWR_PD_RESET _u(0x1) +#define PLL_PWR_PD_BITS _u(0x00000001) +#define PLL_PWR_PD_MSB _u(0) +#define PLL_PWR_PD_LSB _u(0) +#define PLL_PWR_PD_ACCESS "RW" +// ============================================================================= +// Register : PLL_FBDIV_INT +// Description : Feedback divisor +// (note: this PLL does not support fractional division) +// see ctrl reg description for constraints +#define PLL_FBDIV_INT_OFFSET _u(0x00000008) +#define PLL_FBDIV_INT_BITS _u(0x00000fff) +#define PLL_FBDIV_INT_RESET _u(0x00000000) +#define PLL_FBDIV_INT_MSB _u(11) +#define PLL_FBDIV_INT_LSB _u(0) +#define PLL_FBDIV_INT_ACCESS "RW" +// ============================================================================= +// Register : PLL_PRIM +// Description : Controls the PLL post dividers for the primary output +// (note: this PLL does not have a secondary output) +// the primary output is driven from VCO divided by +// postdiv1*postdiv2 +#define PLL_PRIM_OFFSET _u(0x0000000c) +#define PLL_PRIM_BITS _u(0x00077000) +#define PLL_PRIM_RESET _u(0x00077000) +// ----------------------------------------------------------------------------- +// Field : PLL_PRIM_POSTDIV1 +// Description : divide by 1-7 +#define PLL_PRIM_POSTDIV1_RESET _u(0x7) +#define PLL_PRIM_POSTDIV1_BITS _u(0x00070000) +#define PLL_PRIM_POSTDIV1_MSB _u(18) +#define PLL_PRIM_POSTDIV1_LSB _u(16) +#define PLL_PRIM_POSTDIV1_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : PLL_PRIM_POSTDIV2 +// Description : divide by 1-7 +#define PLL_PRIM_POSTDIV2_RESET _u(0x7) +#define PLL_PRIM_POSTDIV2_BITS _u(0x00007000) +#define PLL_PRIM_POSTDIV2_MSB _u(14) +#define PLL_PRIM_POSTDIV2_LSB _u(12) +#define PLL_PRIM_POSTDIV2_ACCESS "RW" +// ============================================================================= +#endif // HARDWARE_REGS_PLL_DEFINED |