diff options
Diffstat (limited to 'lib/pico-sdk/rp2350/hardware/regs/qmi.h')
-rw-r--r-- | lib/pico-sdk/rp2350/hardware/regs/qmi.h | 1781 |
1 files changed, 1781 insertions, 0 deletions
diff --git a/lib/pico-sdk/rp2350/hardware/regs/qmi.h b/lib/pico-sdk/rp2350/hardware/regs/qmi.h new file mode 100644 index 00000000..3efebc13 --- /dev/null +++ b/lib/pico-sdk/rp2350/hardware/regs/qmi.h @@ -0,0 +1,1781 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + +/** + * Copyright (c) 2024 Raspberry Pi Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +// ============================================================================= +// Register block : QMI +// Version : 1 +// Bus type : apb +// Description : QSPI Memory Interface. +// +// Provides a memory-mapped interface to up to two +// SPI/DSPI/QSPI flash or PSRAM devices. Also provides a serial +// interface for programming and configuration of the external +// device. +// ============================================================================= +#ifndef _HARDWARE_REGS_QMI_H +#define _HARDWARE_REGS_QMI_H +// ============================================================================= +// Register : QMI_DIRECT_CSR +// Description : Control and status for direct serial mode +// +// Direct serial mode allows the processor to send and receive raw +// serial frames, for programming, configuration and control of +// the external memory devices. Only SPI mode 0 (CPOL=0 CPHA=0) is +// supported. +#define QMI_DIRECT_CSR_OFFSET _u(0x00000000) +#define QMI_DIRECT_CSR_BITS _u(0xffdf7ccf) +#define QMI_DIRECT_CSR_RESET _u(0x01800000) +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_RXDELAY +// Description : Delay the read data sample timing, in units of one half of a +// system clock cycle. (Not necessarily half of an SCK cycle.) +#define QMI_DIRECT_CSR_RXDELAY_RESET _u(0x0) +#define QMI_DIRECT_CSR_RXDELAY_BITS _u(0xc0000000) +#define QMI_DIRECT_CSR_RXDELAY_MSB _u(31) +#define QMI_DIRECT_CSR_RXDELAY_LSB _u(30) +#define QMI_DIRECT_CSR_RXDELAY_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_CLKDIV +// Description : Clock divisor for direct serial mode. Divisors of 1..255 are +// encoded directly, and the maximum divisor of 256 is encoded by +// a value of CLKDIV=0. +// +// The clock divisor can be changed on-the-fly by software, +// without halting or otherwise coordinating with the serial +// interface. The serial interface will sample the latest clock +// divisor each time it begins the transmission of a new byte. +#define QMI_DIRECT_CSR_CLKDIV_RESET _u(0x06) +#define QMI_DIRECT_CSR_CLKDIV_BITS _u(0x3fc00000) +#define QMI_DIRECT_CSR_CLKDIV_MSB _u(29) +#define QMI_DIRECT_CSR_CLKDIV_LSB _u(22) +#define QMI_DIRECT_CSR_CLKDIV_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_RXLEVEL +// Description : Current level of DIRECT_RX FIFO +#define QMI_DIRECT_CSR_RXLEVEL_RESET _u(0x0) +#define QMI_DIRECT_CSR_RXLEVEL_BITS _u(0x001c0000) +#define QMI_DIRECT_CSR_RXLEVEL_MSB _u(20) +#define QMI_DIRECT_CSR_RXLEVEL_LSB _u(18) +#define QMI_DIRECT_CSR_RXLEVEL_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_RXFULL +// Description : When 1, the DIRECT_RX FIFO is currently full. The serial +// interface will be stalled until data is popped; the interface +// will not begin a new serial frame when the DIRECT_TX FIFO is +// empty or the DIRECT_RX FIFO is full. +#define QMI_DIRECT_CSR_RXFULL_RESET _u(0x0) +#define QMI_DIRECT_CSR_RXFULL_BITS _u(0x00020000) +#define QMI_DIRECT_CSR_RXFULL_MSB _u(17) +#define QMI_DIRECT_CSR_RXFULL_LSB _u(17) +#define QMI_DIRECT_CSR_RXFULL_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_RXEMPTY +// Description : When 1, the DIRECT_RX FIFO is currently empty. If the processor +// attempts to read more data, the FIFO state is not affected, but +// the value returned to the processor is undefined. +#define QMI_DIRECT_CSR_RXEMPTY_RESET _u(0x0) +#define QMI_DIRECT_CSR_RXEMPTY_BITS _u(0x00010000) +#define QMI_DIRECT_CSR_RXEMPTY_MSB _u(16) +#define QMI_DIRECT_CSR_RXEMPTY_LSB _u(16) +#define QMI_DIRECT_CSR_RXEMPTY_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_TXLEVEL +// Description : Current level of DIRECT_TX FIFO +#define QMI_DIRECT_CSR_TXLEVEL_RESET _u(0x0) +#define QMI_DIRECT_CSR_TXLEVEL_BITS _u(0x00007000) +#define QMI_DIRECT_CSR_TXLEVEL_MSB _u(14) +#define QMI_DIRECT_CSR_TXLEVEL_LSB _u(12) +#define QMI_DIRECT_CSR_TXLEVEL_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_TXEMPTY +// Description : When 1, the DIRECT_TX FIFO is currently empty. Unless the +// processor pushes more data, transmission will stop and BUSY +// will go low once the current 8-bit serial frame completes. +#define QMI_DIRECT_CSR_TXEMPTY_RESET _u(0x0) +#define QMI_DIRECT_CSR_TXEMPTY_BITS _u(0x00000800) +#define QMI_DIRECT_CSR_TXEMPTY_MSB _u(11) +#define QMI_DIRECT_CSR_TXEMPTY_LSB _u(11) +#define QMI_DIRECT_CSR_TXEMPTY_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_TXFULL +// Description : When 1, the DIRECT_TX FIFO is currently full. If the processor +// tries to write more data, that data will be ignored. +#define QMI_DIRECT_CSR_TXFULL_RESET _u(0x0) +#define QMI_DIRECT_CSR_TXFULL_BITS _u(0x00000400) +#define QMI_DIRECT_CSR_TXFULL_MSB _u(10) +#define QMI_DIRECT_CSR_TXFULL_LSB _u(10) +#define QMI_DIRECT_CSR_TXFULL_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_AUTO_CS1N +// Description : When 1, automatically assert the CS1n chip select line whenever +// the BUSY flag is set. +#define QMI_DIRECT_CSR_AUTO_CS1N_RESET _u(0x0) +#define QMI_DIRECT_CSR_AUTO_CS1N_BITS _u(0x00000080) +#define QMI_DIRECT_CSR_AUTO_CS1N_MSB _u(7) +#define QMI_DIRECT_CSR_AUTO_CS1N_LSB _u(7) +#define QMI_DIRECT_CSR_AUTO_CS1N_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_AUTO_CS0N +// Description : When 1, automatically assert the CS0n chip select line whenever +// the BUSY flag is set. +#define QMI_DIRECT_CSR_AUTO_CS0N_RESET _u(0x0) +#define QMI_DIRECT_CSR_AUTO_CS0N_BITS _u(0x00000040) +#define QMI_DIRECT_CSR_AUTO_CS0N_MSB _u(6) +#define QMI_DIRECT_CSR_AUTO_CS0N_LSB _u(6) +#define QMI_DIRECT_CSR_AUTO_CS0N_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_ASSERT_CS1N +// Description : When 1, assert (i.e. drive low) the CS1n chip select line. +// +// Note that this applies even when DIRECT_CSR_EN is 0. +#define QMI_DIRECT_CSR_ASSERT_CS1N_RESET _u(0x0) +#define QMI_DIRECT_CSR_ASSERT_CS1N_BITS _u(0x00000008) +#define QMI_DIRECT_CSR_ASSERT_CS1N_MSB _u(3) +#define QMI_DIRECT_CSR_ASSERT_CS1N_LSB _u(3) +#define QMI_DIRECT_CSR_ASSERT_CS1N_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_ASSERT_CS0N +// Description : When 1, assert (i.e. drive low) the CS0n chip select line. +// +// Note that this applies even when DIRECT_CSR_EN is 0. +#define QMI_DIRECT_CSR_ASSERT_CS0N_RESET _u(0x0) +#define QMI_DIRECT_CSR_ASSERT_CS0N_BITS _u(0x00000004) +#define QMI_DIRECT_CSR_ASSERT_CS0N_MSB _u(2) +#define QMI_DIRECT_CSR_ASSERT_CS0N_LSB _u(2) +#define QMI_DIRECT_CSR_ASSERT_CS0N_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_BUSY +// Description : Direct mode busy flag. If 1, data is currently being shifted +// in/out (or would be if the interface were not stalled on the RX +// FIFO), and the chip select must not yet be deasserted. +// +// The busy flag will also be set to 1 if a memory-mapped transfer +// is still in progress when direct mode is enabled. Direct mode +// blocks new memory-mapped transfers, but can't halt a transfer +// that is already in progress. If there is a chance that memory- +// mapped transfers may be in progress, the busy flag should be +// polled for 0 before asserting the chip select. +// +// (In practice you will usually discover this timing condition +// through other means, because any subsequent memory-mapped +// transfers when direct mode is enabled will return bus errors, +// which are difficult to ignore.) +#define QMI_DIRECT_CSR_BUSY_RESET _u(0x0) +#define QMI_DIRECT_CSR_BUSY_BITS _u(0x00000002) +#define QMI_DIRECT_CSR_BUSY_MSB _u(1) +#define QMI_DIRECT_CSR_BUSY_LSB _u(1) +#define QMI_DIRECT_CSR_BUSY_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_CSR_EN +// Description : Enable direct mode. +// +// In direct mode, software controls the chip select lines, and +// can perform direct SPI transfers by pushing data to the +// DIRECT_TX FIFO, and popping the same amount of data from the +// DIRECT_RX FIFO. +// +// Memory-mapped accesses will generate bus errors when direct +// serial mode is enabled. +#define QMI_DIRECT_CSR_EN_RESET _u(0x0) +#define QMI_DIRECT_CSR_EN_BITS _u(0x00000001) +#define QMI_DIRECT_CSR_EN_MSB _u(0) +#define QMI_DIRECT_CSR_EN_LSB _u(0) +#define QMI_DIRECT_CSR_EN_ACCESS "RW" +// ============================================================================= +// Register : QMI_DIRECT_TX +// Description : Transmit FIFO for direct mode +#define QMI_DIRECT_TX_OFFSET _u(0x00000004) +#define QMI_DIRECT_TX_BITS _u(0x001fffff) +#define QMI_DIRECT_TX_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_TX_NOPUSH +// Description : Inhibit the RX FIFO push that would correspond to this TX FIFO +// entry. +// +// Useful to avoid garbage appearing in the RX FIFO when pushing +// the command at the beginning of a SPI transfer. +#define QMI_DIRECT_TX_NOPUSH_RESET _u(0x0) +#define QMI_DIRECT_TX_NOPUSH_BITS _u(0x00100000) +#define QMI_DIRECT_TX_NOPUSH_MSB _u(20) +#define QMI_DIRECT_TX_NOPUSH_LSB _u(20) +#define QMI_DIRECT_TX_NOPUSH_ACCESS "WF" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_TX_OE +// Description : Output enable (active-high). For single width (SPI), this field +// is ignored, and SD0 is always set to output, with SD1 always +// set to input. +// +// For dual and quad width (DSPI/QSPI), this sets whether the +// relevant SDx pads are set to output whilst transferring this +// FIFO record. In this case the command/address should have OE +// set, and the data transfer should have OE set or clear +// depending on the direction of the transfer. +#define QMI_DIRECT_TX_OE_RESET _u(0x0) +#define QMI_DIRECT_TX_OE_BITS _u(0x00080000) +#define QMI_DIRECT_TX_OE_MSB _u(19) +#define QMI_DIRECT_TX_OE_LSB _u(19) +#define QMI_DIRECT_TX_OE_ACCESS "WF" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_TX_DWIDTH +// Description : Data width. If 0, hardware will transmit the 8 LSBs of the +// DIRECT_TX DATA field, and return an 8-bit value in the 8 LSBs +// of DIRECT_RX. If 1, the full 16-bit width is used. 8-bit and +// 16-bit transfers can be mixed freely. +#define QMI_DIRECT_TX_DWIDTH_RESET _u(0x0) +#define QMI_DIRECT_TX_DWIDTH_BITS _u(0x00040000) +#define QMI_DIRECT_TX_DWIDTH_MSB _u(18) +#define QMI_DIRECT_TX_DWIDTH_LSB _u(18) +#define QMI_DIRECT_TX_DWIDTH_ACCESS "WF" +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_TX_IWIDTH +// Description : Configure whether this FIFO record is transferred with +// single/dual/quad interface width (0/1/2). Different widths can +// be mixed freely. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_DIRECT_TX_IWIDTH_RESET _u(0x0) +#define QMI_DIRECT_TX_IWIDTH_BITS _u(0x00030000) +#define QMI_DIRECT_TX_IWIDTH_MSB _u(17) +#define QMI_DIRECT_TX_IWIDTH_LSB _u(16) +#define QMI_DIRECT_TX_IWIDTH_ACCESS "WF" +#define QMI_DIRECT_TX_IWIDTH_VALUE_S _u(0x0) +#define QMI_DIRECT_TX_IWIDTH_VALUE_D _u(0x1) +#define QMI_DIRECT_TX_IWIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_DIRECT_TX_DATA +// Description : Data pushed here will be clocked out falling edges of SCK (or +// before the very first rising edge of SCK, if this is the first +// pulse). For each byte clocked out, the interface will +// simultaneously sample one byte, on rising edges of SCK, and +// push this to the DIRECT_RX FIFO. +// +// For 16-bit data, the least-significant byte is transmitted +// first. +#define QMI_DIRECT_TX_DATA_RESET _u(0x0000) +#define QMI_DIRECT_TX_DATA_BITS _u(0x0000ffff) +#define QMI_DIRECT_TX_DATA_MSB _u(15) +#define QMI_DIRECT_TX_DATA_LSB _u(0) +#define QMI_DIRECT_TX_DATA_ACCESS "WF" +// ============================================================================= +// Register : QMI_DIRECT_RX +// Description : Receive FIFO for direct mode +// With each byte clocked out on the serial interface, one byte +// will simultaneously be clocked in, and will appear in this +// FIFO. The serial interface will stall when this FIFO is full, +// to avoid dropping data. +// +// When 16-bit data is pushed into the TX FIFO, the corresponding +// RX FIFO push will also contain 16 bits of data. The least- +// significant byte is the first one received. +#define QMI_DIRECT_RX_OFFSET _u(0x00000008) +#define QMI_DIRECT_RX_BITS _u(0x0000ffff) +#define QMI_DIRECT_RX_RESET _u(0x00000000) +#define QMI_DIRECT_RX_MSB _u(15) +#define QMI_DIRECT_RX_LSB _u(0) +#define QMI_DIRECT_RX_ACCESS "RF" +// ============================================================================= +// Register : QMI_M0_TIMING +// Description : Timing configuration register for memory address window 0. +#define QMI_M0_TIMING_OFFSET _u(0x0000000c) +#define QMI_M0_TIMING_BITS _u(0xf3fff7ff) +#define QMI_M0_TIMING_RESET _u(0x40000004) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_COOLDOWN +// Description : Chip select cooldown period. When a memory transfer finishes, +// the chip select remains asserted for 64 x COOLDOWN system clock +// cycles, plus half an SCK clock period (rounded up for odd SCK +// divisors). After this cooldown expires, the chip select is +// always deasserted to save power. +// +// If the next memory access arrives within the cooldown period, +// the QMI may be able to append more SCK cycles to the currently +// ongoing SPI transfer, rather than starting a new transfer. This +// reduces access latency and increases bus throughput. +// +// Specifically, the next access must be in the same direction +// (read/write), access the same memory window (chip select 0/1), +// and follow sequentially the address of the last transfer. If +// any of these are false, the new access will first deassert the +// chip select, then begin a new transfer. +// +// If COOLDOWN is 0, the address alignment configured by PAGEBREAK +// has been reached, or the total chip select assertion limit +// MAX_SELECT has been reached, the cooldown period is skipped, +// and the chip select will always be deasserted one half SCK +// period after the transfer finishes. +#define QMI_M0_TIMING_COOLDOWN_RESET _u(0x1) +#define QMI_M0_TIMING_COOLDOWN_BITS _u(0xc0000000) +#define QMI_M0_TIMING_COOLDOWN_MSB _u(31) +#define QMI_M0_TIMING_COOLDOWN_LSB _u(30) +#define QMI_M0_TIMING_COOLDOWN_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_PAGEBREAK +// Description : When page break is enabled, chip select will automatically +// deassert when crossing certain power-of-2-aligned address +// boundaries. The next access will always begin a new read/write +// SPI burst, even if the address of the next access follows in +// sequence with the last access before the page boundary. +// +// Some flash and PSRAM devices forbid crossing page boundaries +// with a single read/write transfer, or restrict the operating +// frequency for transfers that do cross page a boundary. This +// option allows the QMI to safely support those devices. +// +// This field has no effect when COOLDOWN is disabled. +// 0x0 -> No page boundary is enforced +// 0x1 -> Break bursts crossing a 256-byte page boundary +// 0x2 -> Break bursts crossing a 1024-byte quad-page boundary +// 0x3 -> Break bursts crossing a 4096-byte sector boundary +#define QMI_M0_TIMING_PAGEBREAK_RESET _u(0x0) +#define QMI_M0_TIMING_PAGEBREAK_BITS _u(0x30000000) +#define QMI_M0_TIMING_PAGEBREAK_MSB _u(29) +#define QMI_M0_TIMING_PAGEBREAK_LSB _u(28) +#define QMI_M0_TIMING_PAGEBREAK_ACCESS "RW" +#define QMI_M0_TIMING_PAGEBREAK_VALUE_NONE _u(0x0) +#define QMI_M0_TIMING_PAGEBREAK_VALUE_256 _u(0x1) +#define QMI_M0_TIMING_PAGEBREAK_VALUE_1024 _u(0x2) +#define QMI_M0_TIMING_PAGEBREAK_VALUE_4096 _u(0x3) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_SELECT_SETUP +// Description : Add up to one additional system clock cycle of setup between +// chip select assertion and the first rising edge of SCK. +// +// The default setup time is one half SCK period, which is usually +// sufficient except for very high SCK frequencies with some flash +// devices. +#define QMI_M0_TIMING_SELECT_SETUP_RESET _u(0x0) +#define QMI_M0_TIMING_SELECT_SETUP_BITS _u(0x02000000) +#define QMI_M0_TIMING_SELECT_SETUP_MSB _u(25) +#define QMI_M0_TIMING_SELECT_SETUP_LSB _u(25) +#define QMI_M0_TIMING_SELECT_SETUP_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_SELECT_HOLD +// Description : Add up to three additional system clock cycles of active hold +// between the last falling edge of SCK and the deassertion of +// this window's chip select. +// +// The default hold time is one system clock cycle. Note that +// flash datasheets usually give chip select active hold time from +// the last *rising* edge of SCK, and so even zero hold from the +// last falling edge would be safe. +// +// Note that this is a minimum hold time guaranteed by the QMI: +// the actual chip select active hold may be slightly longer for +// read transfers with low clock divisors and/or high sample +// delays. Specifically, if the point two cycles after the last RX +// data sample is later than the last SCK falling edge, then the +// hold time is measured from *this* point. +// +// Note also that, in case the final SCK pulse is masked to save +// energy (true for non-DTR reads when COOLDOWN is disabled or +// PAGE_BREAK is reached), all of QMI's timing logic behaves as +// though the clock pulse were still present. The SELECT_HOLD time +// is applied from the point where the last SCK falling edge would +// be if the clock pulse were not masked. +#define QMI_M0_TIMING_SELECT_HOLD_RESET _u(0x0) +#define QMI_M0_TIMING_SELECT_HOLD_BITS _u(0x01800000) +#define QMI_M0_TIMING_SELECT_HOLD_MSB _u(24) +#define QMI_M0_TIMING_SELECT_HOLD_LSB _u(23) +#define QMI_M0_TIMING_SELECT_HOLD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_MAX_SELECT +// Description : Enforce a maximum assertion duration for this window's chip +// select, in units of 64 system clock cycles. If 0, the QMI is +// permitted to keep the chip select asserted indefinitely when +// servicing sequential memory accesses (see COOLDOWN). +// +// This feature is required to meet timing constraints of PSRAM +// devices, which specify a maximum chip select assertion so they +// can perform DRAM refresh cycles. See also MIN_DESELECT, which +// can enforce a minimum deselect time. +// +// If a memory access is in progress at the time MAX_SELECT is +// reached, the QMI will wait for the access to complete before +// deasserting the chip select. This additional time must be +// accounted for to calculate a safe MAX_SELECT value. In the +// worst case, this may be a fully-formed serial transfer, +// including command prefix and address, with a data payload as +// large as one cache line. +#define QMI_M0_TIMING_MAX_SELECT_RESET _u(0x00) +#define QMI_M0_TIMING_MAX_SELECT_BITS _u(0x007e0000) +#define QMI_M0_TIMING_MAX_SELECT_MSB _u(22) +#define QMI_M0_TIMING_MAX_SELECT_LSB _u(17) +#define QMI_M0_TIMING_MAX_SELECT_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_MIN_DESELECT +// Description : After this window's chip select is deasserted, it remains +// deasserted for half an SCK cycle (rounded up to an integer +// number of system clock cycles), plus MIN_DESELECT additional +// system clock cycles, before the QMI reasserts either chip +// select pin. +// +// Nonzero values may be required for PSRAM devices which enforce +// a longer minimum CS deselect time, so that they can perform +// internal DRAM refresh cycles whilst deselected. +#define QMI_M0_TIMING_MIN_DESELECT_RESET _u(0x00) +#define QMI_M0_TIMING_MIN_DESELECT_BITS _u(0x0001f000) +#define QMI_M0_TIMING_MIN_DESELECT_MSB _u(16) +#define QMI_M0_TIMING_MIN_DESELECT_LSB _u(12) +#define QMI_M0_TIMING_MIN_DESELECT_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_RXDELAY +// Description : Delay the read data sample timing, in units of one half of a +// system clock cycle. (Not necessarily half of an SCK cycle.) An +// RXDELAY of 0 means the sample is captured at the SDI input +// registers simultaneously with the rising edge of SCK launched +// from the SCK output register. +// +// At higher SCK frequencies, RXDELAY may need to be increased to +// account for the round trip delay of the pads, and the clock- +// to-Q delay of the QSPI memory device. +#define QMI_M0_TIMING_RXDELAY_RESET _u(0x0) +#define QMI_M0_TIMING_RXDELAY_BITS _u(0x00000700) +#define QMI_M0_TIMING_RXDELAY_MSB _u(10) +#define QMI_M0_TIMING_RXDELAY_LSB _u(8) +#define QMI_M0_TIMING_RXDELAY_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_TIMING_CLKDIV +// Description : Clock divisor. Odd and even divisors are supported. Defines the +// SCK clock period in units of 1 system clock cycle. Divisors +// 1..255 are encoded directly, and a divisor of 256 is encoded +// with a value of CLKDIV=0. +// +// The clock divisor can be changed on-the-fly, even when the QMI +// is currently accessing memory in this address window. All other +// parameters must only be changed when the QMI is idle. +// +// If software is increasing CLKDIV in anticipation of an increase +// in the system clock frequency, a dummy access to either memory +// window (and appropriate processor barriers/fences) must be +// inserted after the Mx_TIMING write to ensure the SCK divisor +// change is in effect _before_ the system clock is changed. +#define QMI_M0_TIMING_CLKDIV_RESET _u(0x04) +#define QMI_M0_TIMING_CLKDIV_BITS _u(0x000000ff) +#define QMI_M0_TIMING_CLKDIV_MSB _u(7) +#define QMI_M0_TIMING_CLKDIV_LSB _u(0) +#define QMI_M0_TIMING_CLKDIV_ACCESS "RW" +// ============================================================================= +// Register : QMI_M0_RFMT +// Description : Read transfer format configuration for memory address window 0. +// +// Configure the bus width of each transfer phase individually, +// and configure the length or presence of the command prefix, +// command suffix and dummy/turnaround transfer phases. Only +// 24-bit addresses are supported. +// +// The reset value of the M0_RFMT register is configured to +// support a basic 03h serial read transfer with no additional +// configuration. +#define QMI_M0_RFMT_OFFSET _u(0x00000010) +#define QMI_M0_RFMT_BITS _u(0x1007d3ff) +#define QMI_M0_RFMT_RESET _u(0x00001000) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_DTR +// Description : Enable double transfer rate (DTR) for read commands: address, +// suffix and read data phases are active on both edges of SCK. +// SDO data is launched centre-aligned on each SCK edge, and SDI +// data is captured on the SCK edge that follows its launch. +// +// DTR is implemented by halving the clock rate; SCK has a period +// of 2 x CLK_DIV throughout the transfer. The prefix and dummy +// phases are still single transfer rate. +// +// If the suffix is quad-width, it must be 0 or 8 bits in length, +// to ensure an even number of SCK edges. +#define QMI_M0_RFMT_DTR_RESET _u(0x0) +#define QMI_M0_RFMT_DTR_BITS _u(0x10000000) +#define QMI_M0_RFMT_DTR_MSB _u(28) +#define QMI_M0_RFMT_DTR_LSB _u(28) +#define QMI_M0_RFMT_DTR_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_DUMMY_LEN +// Description : Length of dummy phase between command suffix and data phase, in +// units of 4 bits. (i.e. 1 cycle for quad width, 2 for dual, 4 +// for single) +// 0x0 -> No dummy phase +// 0x1 -> 4 dummy bits +// 0x2 -> 8 dummy bits +// 0x3 -> 12 dummy bits +// 0x4 -> 16 dummy bits +// 0x5 -> 20 dummy bits +// 0x6 -> 24 dummy bits +// 0x7 -> 28 dummy bits +#define QMI_M0_RFMT_DUMMY_LEN_RESET _u(0x0) +#define QMI_M0_RFMT_DUMMY_LEN_BITS _u(0x00070000) +#define QMI_M0_RFMT_DUMMY_LEN_MSB _u(18) +#define QMI_M0_RFMT_DUMMY_LEN_LSB _u(16) +#define QMI_M0_RFMT_DUMMY_LEN_ACCESS "RW" +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_4 _u(0x1) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_8 _u(0x2) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_12 _u(0x3) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_16 _u(0x4) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_20 _u(0x5) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_24 _u(0x6) +#define QMI_M0_RFMT_DUMMY_LEN_VALUE_28 _u(0x7) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_SUFFIX_LEN +// Description : Length of post-address command suffix, in units of 4 bits. +// (i.e. 1 cycle for quad width, 2 for dual, 4 for single) +// +// Only values of 0 and 8 bits are supported. +// 0x0 -> No suffix +// 0x2 -> 8-bit suffix +#define QMI_M0_RFMT_SUFFIX_LEN_RESET _u(0x0) +#define QMI_M0_RFMT_SUFFIX_LEN_BITS _u(0x0000c000) +#define QMI_M0_RFMT_SUFFIX_LEN_MSB _u(15) +#define QMI_M0_RFMT_SUFFIX_LEN_LSB _u(14) +#define QMI_M0_RFMT_SUFFIX_LEN_ACCESS "RW" +#define QMI_M0_RFMT_SUFFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_RFMT_SUFFIX_LEN_VALUE_8 _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_PREFIX_LEN +// Description : Length of command prefix, in units of 8 bits. (i.e. 2 cycles +// for quad width, 4 for dual, 8 for single) +// 0x0 -> No prefix +// 0x1 -> 8-bit prefix +#define QMI_M0_RFMT_PREFIX_LEN_RESET _u(0x1) +#define QMI_M0_RFMT_PREFIX_LEN_BITS _u(0x00001000) +#define QMI_M0_RFMT_PREFIX_LEN_MSB _u(12) +#define QMI_M0_RFMT_PREFIX_LEN_LSB _u(12) +#define QMI_M0_RFMT_PREFIX_LEN_ACCESS "RW" +#define QMI_M0_RFMT_PREFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_RFMT_PREFIX_LEN_VALUE_8 _u(0x1) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_DATA_WIDTH +// Description : The width used for the data transfer +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_RFMT_DATA_WIDTH_RESET _u(0x0) +#define QMI_M0_RFMT_DATA_WIDTH_BITS _u(0x00000300) +#define QMI_M0_RFMT_DATA_WIDTH_MSB _u(9) +#define QMI_M0_RFMT_DATA_WIDTH_LSB _u(8) +#define QMI_M0_RFMT_DATA_WIDTH_ACCESS "RW" +#define QMI_M0_RFMT_DATA_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_RFMT_DATA_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_RFMT_DATA_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_DUMMY_WIDTH +// Description : The width used for the dummy phase, if any. +// +// If width is single, SD0/MOSI is held asserted low during the +// dummy phase, and SD1...SD3 are tristated. If width is +// dual/quad, all IOs are tristated during the dummy phase. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_RFMT_DUMMY_WIDTH_RESET _u(0x0) +#define QMI_M0_RFMT_DUMMY_WIDTH_BITS _u(0x000000c0) +#define QMI_M0_RFMT_DUMMY_WIDTH_MSB _u(7) +#define QMI_M0_RFMT_DUMMY_WIDTH_LSB _u(6) +#define QMI_M0_RFMT_DUMMY_WIDTH_ACCESS "RW" +#define QMI_M0_RFMT_DUMMY_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_RFMT_DUMMY_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_RFMT_DUMMY_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_SUFFIX_WIDTH +// Description : The width used for the post-address command suffix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_RFMT_SUFFIX_WIDTH_RESET _u(0x0) +#define QMI_M0_RFMT_SUFFIX_WIDTH_BITS _u(0x00000030) +#define QMI_M0_RFMT_SUFFIX_WIDTH_MSB _u(5) +#define QMI_M0_RFMT_SUFFIX_WIDTH_LSB _u(4) +#define QMI_M0_RFMT_SUFFIX_WIDTH_ACCESS "RW" +#define QMI_M0_RFMT_SUFFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_RFMT_SUFFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_RFMT_SUFFIX_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_ADDR_WIDTH +// Description : The transfer width used for the address. The address phase +// always transfers 24 bits in total. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_RFMT_ADDR_WIDTH_RESET _u(0x0) +#define QMI_M0_RFMT_ADDR_WIDTH_BITS _u(0x0000000c) +#define QMI_M0_RFMT_ADDR_WIDTH_MSB _u(3) +#define QMI_M0_RFMT_ADDR_WIDTH_LSB _u(2) +#define QMI_M0_RFMT_ADDR_WIDTH_ACCESS "RW" +#define QMI_M0_RFMT_ADDR_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_RFMT_ADDR_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_RFMT_ADDR_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RFMT_PREFIX_WIDTH +// Description : The transfer width used for the command prefix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_RFMT_PREFIX_WIDTH_RESET _u(0x0) +#define QMI_M0_RFMT_PREFIX_WIDTH_BITS _u(0x00000003) +#define QMI_M0_RFMT_PREFIX_WIDTH_MSB _u(1) +#define QMI_M0_RFMT_PREFIX_WIDTH_LSB _u(0) +#define QMI_M0_RFMT_PREFIX_WIDTH_ACCESS "RW" +#define QMI_M0_RFMT_PREFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_RFMT_PREFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_RFMT_PREFIX_WIDTH_VALUE_Q _u(0x2) +// ============================================================================= +// Register : QMI_M0_RCMD +// Description : Command constants used for reads from memory address window 0. +// +// The reset value of the M0_RCMD register is configured to +// support a basic 03h serial read transfer with no additional +// configuration. +#define QMI_M0_RCMD_OFFSET _u(0x00000014) +#define QMI_M0_RCMD_BITS _u(0x0000ffff) +#define QMI_M0_RCMD_RESET _u(0x0000a003) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RCMD_SUFFIX +// Description : The command suffix bits following the address, if +// Mx_RFMT_SUFFIX_LEN is nonzero. +#define QMI_M0_RCMD_SUFFIX_RESET _u(0xa0) +#define QMI_M0_RCMD_SUFFIX_BITS _u(0x0000ff00) +#define QMI_M0_RCMD_SUFFIX_MSB _u(15) +#define QMI_M0_RCMD_SUFFIX_LSB _u(8) +#define QMI_M0_RCMD_SUFFIX_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_RCMD_PREFIX +// Description : The command prefix bits to prepend on each new transfer, if +// Mx_RFMT_PREFIX_LEN is nonzero. +#define QMI_M0_RCMD_PREFIX_RESET _u(0x03) +#define QMI_M0_RCMD_PREFIX_BITS _u(0x000000ff) +#define QMI_M0_RCMD_PREFIX_MSB _u(7) +#define QMI_M0_RCMD_PREFIX_LSB _u(0) +#define QMI_M0_RCMD_PREFIX_ACCESS "RW" +// ============================================================================= +// Register : QMI_M0_WFMT +// Description : Write transfer format configuration for memory address window +// 0. +// +// Configure the bus width of each transfer phase individually, +// and configure the length or presence of the command prefix, +// command suffix and dummy/turnaround transfer phases. Only +// 24-bit addresses are supported. +// +// The reset value of the M0_WFMT register is configured to +// support a basic 02h serial write transfer. However, writes to +// this window must first be enabled via the XIP_CTRL_WRITABLE_M0 +// bit, as XIP memory is read-only by default. +#define QMI_M0_WFMT_OFFSET _u(0x00000018) +#define QMI_M0_WFMT_BITS _u(0x1007d3ff) +#define QMI_M0_WFMT_RESET _u(0x00001000) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_DTR +// Description : Enable double transfer rate (DTR) for write commands: address, +// suffix and write data phases are active on both edges of SCK. +// SDO data is launched centre-aligned on each SCK edge, and SDI +// data is captured on the SCK edge that follows its launch. +// +// DTR is implemented by halving the clock rate; SCK has a period +// of 2 x CLK_DIV throughout the transfer. The prefix and dummy +// phases are still single transfer rate. +// +// If the suffix is quad-width, it must be 0 or 8 bits in length, +// to ensure an even number of SCK edges. +#define QMI_M0_WFMT_DTR_RESET _u(0x0) +#define QMI_M0_WFMT_DTR_BITS _u(0x10000000) +#define QMI_M0_WFMT_DTR_MSB _u(28) +#define QMI_M0_WFMT_DTR_LSB _u(28) +#define QMI_M0_WFMT_DTR_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_DUMMY_LEN +// Description : Length of dummy phase between command suffix and data phase, in +// units of 4 bits. (i.e. 1 cycle for quad width, 2 for dual, 4 +// for single) +// 0x0 -> No dummy phase +// 0x1 -> 4 dummy bits +// 0x2 -> 8 dummy bits +// 0x3 -> 12 dummy bits +// 0x4 -> 16 dummy bits +// 0x5 -> 20 dummy bits +// 0x6 -> 24 dummy bits +// 0x7 -> 28 dummy bits +#define QMI_M0_WFMT_DUMMY_LEN_RESET _u(0x0) +#define QMI_M0_WFMT_DUMMY_LEN_BITS _u(0x00070000) +#define QMI_M0_WFMT_DUMMY_LEN_MSB _u(18) +#define QMI_M0_WFMT_DUMMY_LEN_LSB _u(16) +#define QMI_M0_WFMT_DUMMY_LEN_ACCESS "RW" +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_4 _u(0x1) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_8 _u(0x2) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_12 _u(0x3) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_16 _u(0x4) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_20 _u(0x5) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_24 _u(0x6) +#define QMI_M0_WFMT_DUMMY_LEN_VALUE_28 _u(0x7) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_SUFFIX_LEN +// Description : Length of post-address command suffix, in units of 4 bits. +// (i.e. 1 cycle for quad width, 2 for dual, 4 for single) +// +// Only values of 0 and 8 bits are supported. +// 0x0 -> No suffix +// 0x2 -> 8-bit suffix +#define QMI_M0_WFMT_SUFFIX_LEN_RESET _u(0x0) +#define QMI_M0_WFMT_SUFFIX_LEN_BITS _u(0x0000c000) +#define QMI_M0_WFMT_SUFFIX_LEN_MSB _u(15) +#define QMI_M0_WFMT_SUFFIX_LEN_LSB _u(14) +#define QMI_M0_WFMT_SUFFIX_LEN_ACCESS "RW" +#define QMI_M0_WFMT_SUFFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_WFMT_SUFFIX_LEN_VALUE_8 _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_PREFIX_LEN +// Description : Length of command prefix, in units of 8 bits. (i.e. 2 cycles +// for quad width, 4 for dual, 8 for single) +// 0x0 -> No prefix +// 0x1 -> 8-bit prefix +#define QMI_M0_WFMT_PREFIX_LEN_RESET _u(0x1) +#define QMI_M0_WFMT_PREFIX_LEN_BITS _u(0x00001000) +#define QMI_M0_WFMT_PREFIX_LEN_MSB _u(12) +#define QMI_M0_WFMT_PREFIX_LEN_LSB _u(12) +#define QMI_M0_WFMT_PREFIX_LEN_ACCESS "RW" +#define QMI_M0_WFMT_PREFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M0_WFMT_PREFIX_LEN_VALUE_8 _u(0x1) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_DATA_WIDTH +// Description : The width used for the data transfer +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_WFMT_DATA_WIDTH_RESET _u(0x0) +#define QMI_M0_WFMT_DATA_WIDTH_BITS _u(0x00000300) +#define QMI_M0_WFMT_DATA_WIDTH_MSB _u(9) +#define QMI_M0_WFMT_DATA_WIDTH_LSB _u(8) +#define QMI_M0_WFMT_DATA_WIDTH_ACCESS "RW" +#define QMI_M0_WFMT_DATA_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_WFMT_DATA_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_WFMT_DATA_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_DUMMY_WIDTH +// Description : The width used for the dummy phase, if any. +// +// If width is single, SD0/MOSI is held asserted low during the +// dummy phase, and SD1...SD3 are tristated. If width is +// dual/quad, all IOs are tristated during the dummy phase. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_WFMT_DUMMY_WIDTH_RESET _u(0x0) +#define QMI_M0_WFMT_DUMMY_WIDTH_BITS _u(0x000000c0) +#define QMI_M0_WFMT_DUMMY_WIDTH_MSB _u(7) +#define QMI_M0_WFMT_DUMMY_WIDTH_LSB _u(6) +#define QMI_M0_WFMT_DUMMY_WIDTH_ACCESS "RW" +#define QMI_M0_WFMT_DUMMY_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_WFMT_DUMMY_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_WFMT_DUMMY_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_SUFFIX_WIDTH +// Description : The width used for the post-address command suffix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_WFMT_SUFFIX_WIDTH_RESET _u(0x0) +#define QMI_M0_WFMT_SUFFIX_WIDTH_BITS _u(0x00000030) +#define QMI_M0_WFMT_SUFFIX_WIDTH_MSB _u(5) +#define QMI_M0_WFMT_SUFFIX_WIDTH_LSB _u(4) +#define QMI_M0_WFMT_SUFFIX_WIDTH_ACCESS "RW" +#define QMI_M0_WFMT_SUFFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_WFMT_SUFFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_WFMT_SUFFIX_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_ADDR_WIDTH +// Description : The transfer width used for the address. The address phase +// always transfers 24 bits in total. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_WFMT_ADDR_WIDTH_RESET _u(0x0) +#define QMI_M0_WFMT_ADDR_WIDTH_BITS _u(0x0000000c) +#define QMI_M0_WFMT_ADDR_WIDTH_MSB _u(3) +#define QMI_M0_WFMT_ADDR_WIDTH_LSB _u(2) +#define QMI_M0_WFMT_ADDR_WIDTH_ACCESS "RW" +#define QMI_M0_WFMT_ADDR_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_WFMT_ADDR_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_WFMT_ADDR_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WFMT_PREFIX_WIDTH +// Description : The transfer width used for the command prefix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M0_WFMT_PREFIX_WIDTH_RESET _u(0x0) +#define QMI_M0_WFMT_PREFIX_WIDTH_BITS _u(0x00000003) +#define QMI_M0_WFMT_PREFIX_WIDTH_MSB _u(1) +#define QMI_M0_WFMT_PREFIX_WIDTH_LSB _u(0) +#define QMI_M0_WFMT_PREFIX_WIDTH_ACCESS "RW" +#define QMI_M0_WFMT_PREFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M0_WFMT_PREFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M0_WFMT_PREFIX_WIDTH_VALUE_Q _u(0x2) +// ============================================================================= +// Register : QMI_M0_WCMD +// Description : Command constants used for writes to memory address window 0. +// +// The reset value of the M0_WCMD register is configured to +// support a basic 02h serial write transfer with no additional +// configuration. +#define QMI_M0_WCMD_OFFSET _u(0x0000001c) +#define QMI_M0_WCMD_BITS _u(0x0000ffff) +#define QMI_M0_WCMD_RESET _u(0x0000a002) +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WCMD_SUFFIX +// Description : The command suffix bits following the address, if +// Mx_WFMT_SUFFIX_LEN is nonzero. +#define QMI_M0_WCMD_SUFFIX_RESET _u(0xa0) +#define QMI_M0_WCMD_SUFFIX_BITS _u(0x0000ff00) +#define QMI_M0_WCMD_SUFFIX_MSB _u(15) +#define QMI_M0_WCMD_SUFFIX_LSB _u(8) +#define QMI_M0_WCMD_SUFFIX_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M0_WCMD_PREFIX +// Description : The command prefix bits to prepend on each new transfer, if +// Mx_WFMT_PREFIX_LEN is nonzero. +#define QMI_M0_WCMD_PREFIX_RESET _u(0x02) +#define QMI_M0_WCMD_PREFIX_BITS _u(0x000000ff) +#define QMI_M0_WCMD_PREFIX_MSB _u(7) +#define QMI_M0_WCMD_PREFIX_LSB _u(0) +#define QMI_M0_WCMD_PREFIX_ACCESS "RW" +// ============================================================================= +// Register : QMI_M1_TIMING +// Description : Timing configuration register for memory address window 1. +#define QMI_M1_TIMING_OFFSET _u(0x00000020) +#define QMI_M1_TIMING_BITS _u(0xf3fff7ff) +#define QMI_M1_TIMING_RESET _u(0x40000004) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_COOLDOWN +// Description : Chip select cooldown period. When a memory transfer finishes, +// the chip select remains asserted for 64 x COOLDOWN system clock +// cycles, plus half an SCK clock period (rounded up for odd SCK +// divisors). After this cooldown expires, the chip select is +// always deasserted to save power. +// +// If the next memory access arrives within the cooldown period, +// the QMI may be able to append more SCK cycles to the currently +// ongoing SPI transfer, rather than starting a new transfer. This +// reduces access latency and increases bus throughput. +// +// Specifically, the next access must be in the same direction +// (read/write), access the same memory window (chip select 0/1), +// and follow sequentially the address of the last transfer. If +// any of these are false, the new access will first deassert the +// chip select, then begin a new transfer. +// +// If COOLDOWN is 0, the address alignment configured by PAGEBREAK +// has been reached, or the total chip select assertion limit +// MAX_SELECT has been reached, the cooldown period is skipped, +// and the chip select will always be deasserted one half SCK +// period after the transfer finishes. +#define QMI_M1_TIMING_COOLDOWN_RESET _u(0x1) +#define QMI_M1_TIMING_COOLDOWN_BITS _u(0xc0000000) +#define QMI_M1_TIMING_COOLDOWN_MSB _u(31) +#define QMI_M1_TIMING_COOLDOWN_LSB _u(30) +#define QMI_M1_TIMING_COOLDOWN_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_PAGEBREAK +// Description : When page break is enabled, chip select will automatically +// deassert when crossing certain power-of-2-aligned address +// boundaries. The next access will always begin a new read/write +// SPI burst, even if the address of the next access follows in +// sequence with the last access before the page boundary. +// +// Some flash and PSRAM devices forbid crossing page boundaries +// with a single read/write transfer, or restrict the operating +// frequency for transfers that do cross page a boundary. This +// option allows the QMI to safely support those devices. +// +// This field has no effect when COOLDOWN is disabled. +// 0x0 -> No page boundary is enforced +// 0x1 -> Break bursts crossing a 256-byte page boundary +// 0x2 -> Break bursts crossing a 1024-byte quad-page boundary +// 0x3 -> Break bursts crossing a 4096-byte sector boundary +#define QMI_M1_TIMING_PAGEBREAK_RESET _u(0x0) +#define QMI_M1_TIMING_PAGEBREAK_BITS _u(0x30000000) +#define QMI_M1_TIMING_PAGEBREAK_MSB _u(29) +#define QMI_M1_TIMING_PAGEBREAK_LSB _u(28) +#define QMI_M1_TIMING_PAGEBREAK_ACCESS "RW" +#define QMI_M1_TIMING_PAGEBREAK_VALUE_NONE _u(0x0) +#define QMI_M1_TIMING_PAGEBREAK_VALUE_256 _u(0x1) +#define QMI_M1_TIMING_PAGEBREAK_VALUE_1024 _u(0x2) +#define QMI_M1_TIMING_PAGEBREAK_VALUE_4096 _u(0x3) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_SELECT_SETUP +// Description : Add up to one additional system clock cycle of setup between +// chip select assertion and the first rising edge of SCK. +// +// The default setup time is one half SCK period, which is usually +// sufficient except for very high SCK frequencies with some flash +// devices. +#define QMI_M1_TIMING_SELECT_SETUP_RESET _u(0x0) +#define QMI_M1_TIMING_SELECT_SETUP_BITS _u(0x02000000) +#define QMI_M1_TIMING_SELECT_SETUP_MSB _u(25) +#define QMI_M1_TIMING_SELECT_SETUP_LSB _u(25) +#define QMI_M1_TIMING_SELECT_SETUP_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_SELECT_HOLD +// Description : Add up to three additional system clock cycles of active hold +// between the last falling edge of SCK and the deassertion of +// this window's chip select. +// +// The default hold time is one system clock cycle. Note that +// flash datasheets usually give chip select active hold time from +// the last *rising* edge of SCK, and so even zero hold from the +// last falling edge would be safe. +// +// Note that this is a minimum hold time guaranteed by the QMI: +// the actual chip select active hold may be slightly longer for +// read transfers with low clock divisors and/or high sample +// delays. Specifically, if the point two cycles after the last RX +// data sample is later than the last SCK falling edge, then the +// hold time is measured from *this* point. +// +// Note also that, in case the final SCK pulse is masked to save +// energy (true for non-DTR reads when COOLDOWN is disabled or +// PAGE_BREAK is reached), all of QMI's timing logic behaves as +// though the clock pulse were still present. The SELECT_HOLD time +// is applied from the point where the last SCK falling edge would +// be if the clock pulse were not masked. +#define QMI_M1_TIMING_SELECT_HOLD_RESET _u(0x0) +#define QMI_M1_TIMING_SELECT_HOLD_BITS _u(0x01800000) +#define QMI_M1_TIMING_SELECT_HOLD_MSB _u(24) +#define QMI_M1_TIMING_SELECT_HOLD_LSB _u(23) +#define QMI_M1_TIMING_SELECT_HOLD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_MAX_SELECT +// Description : Enforce a maximum assertion duration for this window's chip +// select, in units of 64 system clock cycles. If 0, the QMI is +// permitted to keep the chip select asserted indefinitely when +// servicing sequential memory accesses (see COOLDOWN). +// +// This feature is required to meet timing constraints of PSRAM +// devices, which specify a maximum chip select assertion so they +// can perform DRAM refresh cycles. See also MIN_DESELECT, which +// can enforce a minimum deselect time. +// +// If a memory access is in progress at the time MAX_SELECT is +// reached, the QMI will wait for the access to complete before +// deasserting the chip select. This additional time must be +// accounted for to calculate a safe MAX_SELECT value. In the +// worst case, this may be a fully-formed serial transfer, +// including command prefix and address, with a data payload as +// large as one cache line. +#define QMI_M1_TIMING_MAX_SELECT_RESET _u(0x00) +#define QMI_M1_TIMING_MAX_SELECT_BITS _u(0x007e0000) +#define QMI_M1_TIMING_MAX_SELECT_MSB _u(22) +#define QMI_M1_TIMING_MAX_SELECT_LSB _u(17) +#define QMI_M1_TIMING_MAX_SELECT_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_MIN_DESELECT +// Description : After this window's chip select is deasserted, it remains +// deasserted for half an SCK cycle (rounded up to an integer +// number of system clock cycles), plus MIN_DESELECT additional +// system clock cycles, before the QMI reasserts either chip +// select pin. +// +// Nonzero values may be required for PSRAM devices which enforce +// a longer minimum CS deselect time, so that they can perform +// internal DRAM refresh cycles whilst deselected. +#define QMI_M1_TIMING_MIN_DESELECT_RESET _u(0x00) +#define QMI_M1_TIMING_MIN_DESELECT_BITS _u(0x0001f000) +#define QMI_M1_TIMING_MIN_DESELECT_MSB _u(16) +#define QMI_M1_TIMING_MIN_DESELECT_LSB _u(12) +#define QMI_M1_TIMING_MIN_DESELECT_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_RXDELAY +// Description : Delay the read data sample timing, in units of one half of a +// system clock cycle. (Not necessarily half of an SCK cycle.) An +// RXDELAY of 0 means the sample is captured at the SDI input +// registers simultaneously with the rising edge of SCK launched +// from the SCK output register. +// +// At higher SCK frequencies, RXDELAY may need to be increased to +// account for the round trip delay of the pads, and the clock- +// to-Q delay of the QSPI memory device. +#define QMI_M1_TIMING_RXDELAY_RESET _u(0x0) +#define QMI_M1_TIMING_RXDELAY_BITS _u(0x00000700) +#define QMI_M1_TIMING_RXDELAY_MSB _u(10) +#define QMI_M1_TIMING_RXDELAY_LSB _u(8) +#define QMI_M1_TIMING_RXDELAY_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_TIMING_CLKDIV +// Description : Clock divisor. Odd and even divisors are supported. Defines the +// SCK clock period in units of 1 system clock cycle. Divisors +// 1..255 are encoded directly, and a divisor of 256 is encoded +// with a value of CLKDIV=0. +// +// The clock divisor can be changed on-the-fly, even when the QMI +// is currently accessing memory in this address window. All other +// parameters must only be changed when the QMI is idle. +// +// If software is increasing CLKDIV in anticipation of an increase +// in the system clock frequency, a dummy access to either memory +// window (and appropriate processor barriers/fences) must be +// inserted after the Mx_TIMING write to ensure the SCK divisor +// change is in effect _before_ the system clock is changed. +#define QMI_M1_TIMING_CLKDIV_RESET _u(0x04) +#define QMI_M1_TIMING_CLKDIV_BITS _u(0x000000ff) +#define QMI_M1_TIMING_CLKDIV_MSB _u(7) +#define QMI_M1_TIMING_CLKDIV_LSB _u(0) +#define QMI_M1_TIMING_CLKDIV_ACCESS "RW" +// ============================================================================= +// Register : QMI_M1_RFMT +// Description : Read transfer format configuration for memory address window 1. +// +// Configure the bus width of each transfer phase individually, +// and configure the length or presence of the command prefix, +// command suffix and dummy/turnaround transfer phases. Only +// 24-bit addresses are supported. +// +// The reset value of the M1_RFMT register is configured to +// support a basic 03h serial read transfer with no additional +// configuration. +#define QMI_M1_RFMT_OFFSET _u(0x00000024) +#define QMI_M1_RFMT_BITS _u(0x1007d3ff) +#define QMI_M1_RFMT_RESET _u(0x00001000) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_DTR +// Description : Enable double transfer rate (DTR) for read commands: address, +// suffix and read data phases are active on both edges of SCK. +// SDO data is launched centre-aligned on each SCK edge, and SDI +// data is captured on the SCK edge that follows its launch. +// +// DTR is implemented by halving the clock rate; SCK has a period +// of 2 x CLK_DIV throughout the transfer. The prefix and dummy +// phases are still single transfer rate. +// +// If the suffix is quad-width, it must be 0 or 8 bits in length, +// to ensure an even number of SCK edges. +#define QMI_M1_RFMT_DTR_RESET _u(0x0) +#define QMI_M1_RFMT_DTR_BITS _u(0x10000000) +#define QMI_M1_RFMT_DTR_MSB _u(28) +#define QMI_M1_RFMT_DTR_LSB _u(28) +#define QMI_M1_RFMT_DTR_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_DUMMY_LEN +// Description : Length of dummy phase between command suffix and data phase, in +// units of 4 bits. (i.e. 1 cycle for quad width, 2 for dual, 4 +// for single) +// 0x0 -> No dummy phase +// 0x1 -> 4 dummy bits +// 0x2 -> 8 dummy bits +// 0x3 -> 12 dummy bits +// 0x4 -> 16 dummy bits +// 0x5 -> 20 dummy bits +// 0x6 -> 24 dummy bits +// 0x7 -> 28 dummy bits +#define QMI_M1_RFMT_DUMMY_LEN_RESET _u(0x0) +#define QMI_M1_RFMT_DUMMY_LEN_BITS _u(0x00070000) +#define QMI_M1_RFMT_DUMMY_LEN_MSB _u(18) +#define QMI_M1_RFMT_DUMMY_LEN_LSB _u(16) +#define QMI_M1_RFMT_DUMMY_LEN_ACCESS "RW" +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_4 _u(0x1) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_8 _u(0x2) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_12 _u(0x3) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_16 _u(0x4) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_20 _u(0x5) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_24 _u(0x6) +#define QMI_M1_RFMT_DUMMY_LEN_VALUE_28 _u(0x7) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_SUFFIX_LEN +// Description : Length of post-address command suffix, in units of 4 bits. +// (i.e. 1 cycle for quad width, 2 for dual, 4 for single) +// +// Only values of 0 and 8 bits are supported. +// 0x0 -> No suffix +// 0x2 -> 8-bit suffix +#define QMI_M1_RFMT_SUFFIX_LEN_RESET _u(0x0) +#define QMI_M1_RFMT_SUFFIX_LEN_BITS _u(0x0000c000) +#define QMI_M1_RFMT_SUFFIX_LEN_MSB _u(15) +#define QMI_M1_RFMT_SUFFIX_LEN_LSB _u(14) +#define QMI_M1_RFMT_SUFFIX_LEN_ACCESS "RW" +#define QMI_M1_RFMT_SUFFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_RFMT_SUFFIX_LEN_VALUE_8 _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_PREFIX_LEN +// Description : Length of command prefix, in units of 8 bits. (i.e. 2 cycles +// for quad width, 4 for dual, 8 for single) +// 0x0 -> No prefix +// 0x1 -> 8-bit prefix +#define QMI_M1_RFMT_PREFIX_LEN_RESET _u(0x1) +#define QMI_M1_RFMT_PREFIX_LEN_BITS _u(0x00001000) +#define QMI_M1_RFMT_PREFIX_LEN_MSB _u(12) +#define QMI_M1_RFMT_PREFIX_LEN_LSB _u(12) +#define QMI_M1_RFMT_PREFIX_LEN_ACCESS "RW" +#define QMI_M1_RFMT_PREFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_RFMT_PREFIX_LEN_VALUE_8 _u(0x1) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_DATA_WIDTH +// Description : The width used for the data transfer +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_RFMT_DATA_WIDTH_RESET _u(0x0) +#define QMI_M1_RFMT_DATA_WIDTH_BITS _u(0x00000300) +#define QMI_M1_RFMT_DATA_WIDTH_MSB _u(9) +#define QMI_M1_RFMT_DATA_WIDTH_LSB _u(8) +#define QMI_M1_RFMT_DATA_WIDTH_ACCESS "RW" +#define QMI_M1_RFMT_DATA_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_RFMT_DATA_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_RFMT_DATA_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_DUMMY_WIDTH +// Description : The width used for the dummy phase, if any. +// +// If width is single, SD0/MOSI is held asserted low during the +// dummy phase, and SD1...SD3 are tristated. If width is +// dual/quad, all IOs are tristated during the dummy phase. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_RFMT_DUMMY_WIDTH_RESET _u(0x0) +#define QMI_M1_RFMT_DUMMY_WIDTH_BITS _u(0x000000c0) +#define QMI_M1_RFMT_DUMMY_WIDTH_MSB _u(7) +#define QMI_M1_RFMT_DUMMY_WIDTH_LSB _u(6) +#define QMI_M1_RFMT_DUMMY_WIDTH_ACCESS "RW" +#define QMI_M1_RFMT_DUMMY_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_RFMT_DUMMY_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_RFMT_DUMMY_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_SUFFIX_WIDTH +// Description : The width used for the post-address command suffix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_RFMT_SUFFIX_WIDTH_RESET _u(0x0) +#define QMI_M1_RFMT_SUFFIX_WIDTH_BITS _u(0x00000030) +#define QMI_M1_RFMT_SUFFIX_WIDTH_MSB _u(5) +#define QMI_M1_RFMT_SUFFIX_WIDTH_LSB _u(4) +#define QMI_M1_RFMT_SUFFIX_WIDTH_ACCESS "RW" +#define QMI_M1_RFMT_SUFFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_RFMT_SUFFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_RFMT_SUFFIX_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_ADDR_WIDTH +// Description : The transfer width used for the address. The address phase +// always transfers 24 bits in total. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_RFMT_ADDR_WIDTH_RESET _u(0x0) +#define QMI_M1_RFMT_ADDR_WIDTH_BITS _u(0x0000000c) +#define QMI_M1_RFMT_ADDR_WIDTH_MSB _u(3) +#define QMI_M1_RFMT_ADDR_WIDTH_LSB _u(2) +#define QMI_M1_RFMT_ADDR_WIDTH_ACCESS "RW" +#define QMI_M1_RFMT_ADDR_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_RFMT_ADDR_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_RFMT_ADDR_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RFMT_PREFIX_WIDTH +// Description : The transfer width used for the command prefix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_RFMT_PREFIX_WIDTH_RESET _u(0x0) +#define QMI_M1_RFMT_PREFIX_WIDTH_BITS _u(0x00000003) +#define QMI_M1_RFMT_PREFIX_WIDTH_MSB _u(1) +#define QMI_M1_RFMT_PREFIX_WIDTH_LSB _u(0) +#define QMI_M1_RFMT_PREFIX_WIDTH_ACCESS "RW" +#define QMI_M1_RFMT_PREFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_RFMT_PREFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_RFMT_PREFIX_WIDTH_VALUE_Q _u(0x2) +// ============================================================================= +// Register : QMI_M1_RCMD +// Description : Command constants used for reads from memory address window 1. +// +// The reset value of the M1_RCMD register is configured to +// support a basic 03h serial read transfer with no additional +// configuration. +#define QMI_M1_RCMD_OFFSET _u(0x00000028) +#define QMI_M1_RCMD_BITS _u(0x0000ffff) +#define QMI_M1_RCMD_RESET _u(0x0000a003) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RCMD_SUFFIX +// Description : The command suffix bits following the address, if +// Mx_RFMT_SUFFIX_LEN is nonzero. +#define QMI_M1_RCMD_SUFFIX_RESET _u(0xa0) +#define QMI_M1_RCMD_SUFFIX_BITS _u(0x0000ff00) +#define QMI_M1_RCMD_SUFFIX_MSB _u(15) +#define QMI_M1_RCMD_SUFFIX_LSB _u(8) +#define QMI_M1_RCMD_SUFFIX_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_RCMD_PREFIX +// Description : The command prefix bits to prepend on each new transfer, if +// Mx_RFMT_PREFIX_LEN is nonzero. +#define QMI_M1_RCMD_PREFIX_RESET _u(0x03) +#define QMI_M1_RCMD_PREFIX_BITS _u(0x000000ff) +#define QMI_M1_RCMD_PREFIX_MSB _u(7) +#define QMI_M1_RCMD_PREFIX_LSB _u(0) +#define QMI_M1_RCMD_PREFIX_ACCESS "RW" +// ============================================================================= +// Register : QMI_M1_WFMT +// Description : Write transfer format configuration for memory address window +// 1. +// +// Configure the bus width of each transfer phase individually, +// and configure the length or presence of the command prefix, +// command suffix and dummy/turnaround transfer phases. Only +// 24-bit addresses are supported. +// +// The reset value of the M1_WFMT register is configured to +// support a basic 02h serial write transfer. However, writes to +// this window must first be enabled via the XIP_CTRL_WRITABLE_M1 +// bit, as XIP memory is read-only by default. +#define QMI_M1_WFMT_OFFSET _u(0x0000002c) +#define QMI_M1_WFMT_BITS _u(0x1007d3ff) +#define QMI_M1_WFMT_RESET _u(0x00001000) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_DTR +// Description : Enable double transfer rate (DTR) for write commands: address, +// suffix and write data phases are active on both edges of SCK. +// SDO data is launched centre-aligned on each SCK edge, and SDI +// data is captured on the SCK edge that follows its launch. +// +// DTR is implemented by halving the clock rate; SCK has a period +// of 2 x CLK_DIV throughout the transfer. The prefix and dummy +// phases are still single transfer rate. +// +// If the suffix is quad-width, it must be 0 or 8 bits in length, +// to ensure an even number of SCK edges. +#define QMI_M1_WFMT_DTR_RESET _u(0x0) +#define QMI_M1_WFMT_DTR_BITS _u(0x10000000) +#define QMI_M1_WFMT_DTR_MSB _u(28) +#define QMI_M1_WFMT_DTR_LSB _u(28) +#define QMI_M1_WFMT_DTR_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_DUMMY_LEN +// Description : Length of dummy phase between command suffix and data phase, in +// units of 4 bits. (i.e. 1 cycle for quad width, 2 for dual, 4 +// for single) +// 0x0 -> No dummy phase +// 0x1 -> 4 dummy bits +// 0x2 -> 8 dummy bits +// 0x3 -> 12 dummy bits +// 0x4 -> 16 dummy bits +// 0x5 -> 20 dummy bits +// 0x6 -> 24 dummy bits +// 0x7 -> 28 dummy bits +#define QMI_M1_WFMT_DUMMY_LEN_RESET _u(0x0) +#define QMI_M1_WFMT_DUMMY_LEN_BITS _u(0x00070000) +#define QMI_M1_WFMT_DUMMY_LEN_MSB _u(18) +#define QMI_M1_WFMT_DUMMY_LEN_LSB _u(16) +#define QMI_M1_WFMT_DUMMY_LEN_ACCESS "RW" +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_4 _u(0x1) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_8 _u(0x2) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_12 _u(0x3) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_16 _u(0x4) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_20 _u(0x5) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_24 _u(0x6) +#define QMI_M1_WFMT_DUMMY_LEN_VALUE_28 _u(0x7) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_SUFFIX_LEN +// Description : Length of post-address command suffix, in units of 4 bits. +// (i.e. 1 cycle for quad width, 2 for dual, 4 for single) +// +// Only values of 0 and 8 bits are supported. +// 0x0 -> No suffix +// 0x2 -> 8-bit suffix +#define QMI_M1_WFMT_SUFFIX_LEN_RESET _u(0x0) +#define QMI_M1_WFMT_SUFFIX_LEN_BITS _u(0x0000c000) +#define QMI_M1_WFMT_SUFFIX_LEN_MSB _u(15) +#define QMI_M1_WFMT_SUFFIX_LEN_LSB _u(14) +#define QMI_M1_WFMT_SUFFIX_LEN_ACCESS "RW" +#define QMI_M1_WFMT_SUFFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_WFMT_SUFFIX_LEN_VALUE_8 _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_PREFIX_LEN +// Description : Length of command prefix, in units of 8 bits. (i.e. 2 cycles +// for quad width, 4 for dual, 8 for single) +// 0x0 -> No prefix +// 0x1 -> 8-bit prefix +#define QMI_M1_WFMT_PREFIX_LEN_RESET _u(0x1) +#define QMI_M1_WFMT_PREFIX_LEN_BITS _u(0x00001000) +#define QMI_M1_WFMT_PREFIX_LEN_MSB _u(12) +#define QMI_M1_WFMT_PREFIX_LEN_LSB _u(12) +#define QMI_M1_WFMT_PREFIX_LEN_ACCESS "RW" +#define QMI_M1_WFMT_PREFIX_LEN_VALUE_NONE _u(0x0) +#define QMI_M1_WFMT_PREFIX_LEN_VALUE_8 _u(0x1) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_DATA_WIDTH +// Description : The width used for the data transfer +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_WFMT_DATA_WIDTH_RESET _u(0x0) +#define QMI_M1_WFMT_DATA_WIDTH_BITS _u(0x00000300) +#define QMI_M1_WFMT_DATA_WIDTH_MSB _u(9) +#define QMI_M1_WFMT_DATA_WIDTH_LSB _u(8) +#define QMI_M1_WFMT_DATA_WIDTH_ACCESS "RW" +#define QMI_M1_WFMT_DATA_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_WFMT_DATA_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_WFMT_DATA_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_DUMMY_WIDTH +// Description : The width used for the dummy phase, if any. +// +// If width is single, SD0/MOSI is held asserted low during the +// dummy phase, and SD1...SD3 are tristated. If width is +// dual/quad, all IOs are tristated during the dummy phase. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_WFMT_DUMMY_WIDTH_RESET _u(0x0) +#define QMI_M1_WFMT_DUMMY_WIDTH_BITS _u(0x000000c0) +#define QMI_M1_WFMT_DUMMY_WIDTH_MSB _u(7) +#define QMI_M1_WFMT_DUMMY_WIDTH_LSB _u(6) +#define QMI_M1_WFMT_DUMMY_WIDTH_ACCESS "RW" +#define QMI_M1_WFMT_DUMMY_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_WFMT_DUMMY_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_WFMT_DUMMY_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_SUFFIX_WIDTH +// Description : The width used for the post-address command suffix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_WFMT_SUFFIX_WIDTH_RESET _u(0x0) +#define QMI_M1_WFMT_SUFFIX_WIDTH_BITS _u(0x00000030) +#define QMI_M1_WFMT_SUFFIX_WIDTH_MSB _u(5) +#define QMI_M1_WFMT_SUFFIX_WIDTH_LSB _u(4) +#define QMI_M1_WFMT_SUFFIX_WIDTH_ACCESS "RW" +#define QMI_M1_WFMT_SUFFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_WFMT_SUFFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_WFMT_SUFFIX_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_ADDR_WIDTH +// Description : The transfer width used for the address. The address phase +// always transfers 24 bits in total. +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_WFMT_ADDR_WIDTH_RESET _u(0x0) +#define QMI_M1_WFMT_ADDR_WIDTH_BITS _u(0x0000000c) +#define QMI_M1_WFMT_ADDR_WIDTH_MSB _u(3) +#define QMI_M1_WFMT_ADDR_WIDTH_LSB _u(2) +#define QMI_M1_WFMT_ADDR_WIDTH_ACCESS "RW" +#define QMI_M1_WFMT_ADDR_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_WFMT_ADDR_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_WFMT_ADDR_WIDTH_VALUE_Q _u(0x2) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WFMT_PREFIX_WIDTH +// Description : The transfer width used for the command prefix, if any +// 0x0 -> Single width +// 0x1 -> Dual width +// 0x2 -> Quad width +#define QMI_M1_WFMT_PREFIX_WIDTH_RESET _u(0x0) +#define QMI_M1_WFMT_PREFIX_WIDTH_BITS _u(0x00000003) +#define QMI_M1_WFMT_PREFIX_WIDTH_MSB _u(1) +#define QMI_M1_WFMT_PREFIX_WIDTH_LSB _u(0) +#define QMI_M1_WFMT_PREFIX_WIDTH_ACCESS "RW" +#define QMI_M1_WFMT_PREFIX_WIDTH_VALUE_S _u(0x0) +#define QMI_M1_WFMT_PREFIX_WIDTH_VALUE_D _u(0x1) +#define QMI_M1_WFMT_PREFIX_WIDTH_VALUE_Q _u(0x2) +// ============================================================================= +// Register : QMI_M1_WCMD +// Description : Command constants used for writes to memory address window 1. +// +// The reset value of the M1_WCMD register is configured to +// support a basic 02h serial write transfer with no additional +// configuration. +#define QMI_M1_WCMD_OFFSET _u(0x00000030) +#define QMI_M1_WCMD_BITS _u(0x0000ffff) +#define QMI_M1_WCMD_RESET _u(0x0000a002) +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WCMD_SUFFIX +// Description : The command suffix bits following the address, if +// Mx_WFMT_SUFFIX_LEN is nonzero. +#define QMI_M1_WCMD_SUFFIX_RESET _u(0xa0) +#define QMI_M1_WCMD_SUFFIX_BITS _u(0x0000ff00) +#define QMI_M1_WCMD_SUFFIX_MSB _u(15) +#define QMI_M1_WCMD_SUFFIX_LSB _u(8) +#define QMI_M1_WCMD_SUFFIX_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_M1_WCMD_PREFIX +// Description : The command prefix bits to prepend on each new transfer, if +// Mx_WFMT_PREFIX_LEN is nonzero. +#define QMI_M1_WCMD_PREFIX_RESET _u(0x02) +#define QMI_M1_WCMD_PREFIX_BITS _u(0x000000ff) +#define QMI_M1_WCMD_PREFIX_MSB _u(7) +#define QMI_M1_WCMD_PREFIX_LSB _u(0) +#define QMI_M1_WCMD_PREFIX_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS0 +// Description : Configure address translation for XIP virtual addresses +// 0x000000 through 0x3fffff (a 4 MiB window starting at +0 MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS0_OFFSET _u(0x00000034) +#define QMI_ATRANS0_BITS _u(0x07ff0fff) +#define QMI_ATRANS0_RESET _u(0x04000000) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS0_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS0_SIZE_RESET _u(0x400) +#define QMI_ATRANS0_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS0_SIZE_MSB _u(26) +#define QMI_ATRANS0_SIZE_LSB _u(16) +#define QMI_ATRANS0_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS0_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS0_BASE_RESET _u(0x000) +#define QMI_ATRANS0_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS0_BASE_MSB _u(11) +#define QMI_ATRANS0_BASE_LSB _u(0) +#define QMI_ATRANS0_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS1 +// Description : Configure address translation for XIP virtual addresses +// 0x400000 through 0x7fffff (a 4 MiB window starting at +4 MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS1_OFFSET _u(0x00000038) +#define QMI_ATRANS1_BITS _u(0x07ff0fff) +#define QMI_ATRANS1_RESET _u(0x04000400) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS1_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS1_SIZE_RESET _u(0x400) +#define QMI_ATRANS1_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS1_SIZE_MSB _u(26) +#define QMI_ATRANS1_SIZE_LSB _u(16) +#define QMI_ATRANS1_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS1_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS1_BASE_RESET _u(0x400) +#define QMI_ATRANS1_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS1_BASE_MSB _u(11) +#define QMI_ATRANS1_BASE_LSB _u(0) +#define QMI_ATRANS1_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS2 +// Description : Configure address translation for XIP virtual addresses +// 0x800000 through 0xbfffff (a 4 MiB window starting at +8 MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS2_OFFSET _u(0x0000003c) +#define QMI_ATRANS2_BITS _u(0x07ff0fff) +#define QMI_ATRANS2_RESET _u(0x04000800) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS2_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS2_SIZE_RESET _u(0x400) +#define QMI_ATRANS2_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS2_SIZE_MSB _u(26) +#define QMI_ATRANS2_SIZE_LSB _u(16) +#define QMI_ATRANS2_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS2_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS2_BASE_RESET _u(0x800) +#define QMI_ATRANS2_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS2_BASE_MSB _u(11) +#define QMI_ATRANS2_BASE_LSB _u(0) +#define QMI_ATRANS2_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS3 +// Description : Configure address translation for XIP virtual addresses +// 0xc00000 through 0xffffff (a 4 MiB window starting at +12 MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS3_OFFSET _u(0x00000040) +#define QMI_ATRANS3_BITS _u(0x07ff0fff) +#define QMI_ATRANS3_RESET _u(0x04000c00) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS3_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS3_SIZE_RESET _u(0x400) +#define QMI_ATRANS3_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS3_SIZE_MSB _u(26) +#define QMI_ATRANS3_SIZE_LSB _u(16) +#define QMI_ATRANS3_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS3_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS3_BASE_RESET _u(0xc00) +#define QMI_ATRANS3_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS3_BASE_MSB _u(11) +#define QMI_ATRANS3_BASE_LSB _u(0) +#define QMI_ATRANS3_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS4 +// Description : Configure address translation for XIP virtual addresses +// 0x1000000 through 0x13fffff (a 4 MiB window starting at +16 +// MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS4_OFFSET _u(0x00000044) +#define QMI_ATRANS4_BITS _u(0x07ff0fff) +#define QMI_ATRANS4_RESET _u(0x04000000) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS4_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS4_SIZE_RESET _u(0x400) +#define QMI_ATRANS4_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS4_SIZE_MSB _u(26) +#define QMI_ATRANS4_SIZE_LSB _u(16) +#define QMI_ATRANS4_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS4_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS4_BASE_RESET _u(0x000) +#define QMI_ATRANS4_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS4_BASE_MSB _u(11) +#define QMI_ATRANS4_BASE_LSB _u(0) +#define QMI_ATRANS4_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS5 +// Description : Configure address translation for XIP virtual addresses +// 0x1400000 through 0x17fffff (a 4 MiB window starting at +20 +// MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS5_OFFSET _u(0x00000048) +#define QMI_ATRANS5_BITS _u(0x07ff0fff) +#define QMI_ATRANS5_RESET _u(0x04000400) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS5_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS5_SIZE_RESET _u(0x400) +#define QMI_ATRANS5_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS5_SIZE_MSB _u(26) +#define QMI_ATRANS5_SIZE_LSB _u(16) +#define QMI_ATRANS5_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS5_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS5_BASE_RESET _u(0x400) +#define QMI_ATRANS5_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS5_BASE_MSB _u(11) +#define QMI_ATRANS5_BASE_LSB _u(0) +#define QMI_ATRANS5_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS6 +// Description : Configure address translation for XIP virtual addresses +// 0x1800000 through 0x1bfffff (a 4 MiB window starting at +24 +// MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS6_OFFSET _u(0x0000004c) +#define QMI_ATRANS6_BITS _u(0x07ff0fff) +#define QMI_ATRANS6_RESET _u(0x04000800) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS6_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS6_SIZE_RESET _u(0x400) +#define QMI_ATRANS6_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS6_SIZE_MSB _u(26) +#define QMI_ATRANS6_SIZE_LSB _u(16) +#define QMI_ATRANS6_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS6_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS6_BASE_RESET _u(0x800) +#define QMI_ATRANS6_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS6_BASE_MSB _u(11) +#define QMI_ATRANS6_BASE_LSB _u(0) +#define QMI_ATRANS6_BASE_ACCESS "RW" +// ============================================================================= +// Register : QMI_ATRANS7 +// Description : Configure address translation for XIP virtual addresses +// 0x1c00000 through 0x1ffffff (a 4 MiB window starting at +28 +// MiB). +// +// Address translation allows a program image to be executed in +// place at multiple physical flash addresses (for example, a +// double-buffered flash image for over-the-air updates), without +// the overhead of position-independent code. +// +// At reset, the address translation registers are initialised to +// an identity mapping, so that they can be ignored if address +// translation is not required. +// +// Note that the XIP cache is fully virtually addressed, so a +// cache flush is required after changing the address translation. +#define QMI_ATRANS7_OFFSET _u(0x00000050) +#define QMI_ATRANS7_BITS _u(0x07ff0fff) +#define QMI_ATRANS7_RESET _u(0x04000c00) +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS7_SIZE +// Description : Translation aperture size for this virtual address range, in +// units of 4 kiB (one flash sector). +// +// Bits 21:12 of the virtual address are compared to SIZE. Offsets +// greater than SIZE return a bus error, and do not cause a QSPI +// access. +#define QMI_ATRANS7_SIZE_RESET _u(0x400) +#define QMI_ATRANS7_SIZE_BITS _u(0x07ff0000) +#define QMI_ATRANS7_SIZE_MSB _u(26) +#define QMI_ATRANS7_SIZE_LSB _u(16) +#define QMI_ATRANS7_SIZE_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : QMI_ATRANS7_BASE +// Description : Physical address base for this virtual address range, in units +// of 4 kiB (one flash sector). +// +// Taking a 24-bit virtual address, firstly bits 23:22 (the two +// MSBs) are masked to zero, and then BASE is added to bits 23:12 +// (the upper 12 bits) to form the physical address. Translation +// wraps on a 16 MiB boundary. +#define QMI_ATRANS7_BASE_RESET _u(0xc00) +#define QMI_ATRANS7_BASE_BITS _u(0x00000fff) +#define QMI_ATRANS7_BASE_MSB _u(11) +#define QMI_ATRANS7_BASE_LSB _u(0) +#define QMI_ATRANS7_BASE_ACCESS "RW" +// ============================================================================= +#endif // _HARDWARE_REGS_QMI_H + |