145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/*
|
|
* Header file for the Xilinx Zynq SPI controller
|
|
*
|
|
* Copyright (C) 2015 Xilinx Inc
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef XILINX_SPIPS_H
|
|
#define XILINX_SPIPS_H
|
|
|
|
#include "hw/ssi/ssi.h"
|
|
#include "qemu/fifo32.h"
|
|
#include "hw/stream.h"
|
|
|
|
typedef struct XilinxSPIPS XilinxSPIPS;
|
|
|
|
#define XLNX_SPIPS_R_MAX (0x100 / 4)
|
|
#define XLNX_ZYNQMP_SPIPS_R_MAX (0x830 / 4)
|
|
|
|
/* Bite off 4k chunks at a time */
|
|
#define LQSPI_CACHE_SIZE 1024
|
|
|
|
typedef enum {
|
|
READ = 0x3, READ_4 = 0x13,
|
|
FAST_READ = 0xb, FAST_READ_4 = 0x0c,
|
|
DOR = 0x3b, DOR_4 = 0x3c,
|
|
QOR = 0x6b, QOR_4 = 0x6c,
|
|
DIOR = 0xbb, DIOR_4 = 0xbc,
|
|
QIOR = 0xeb, QIOR_4 = 0xec,
|
|
|
|
PP = 0x2, PP_4 = 0x12,
|
|
DPP = 0xa2,
|
|
QPP = 0x32, QPP_4 = 0x34,
|
|
} FlashCMD;
|
|
|
|
struct XilinxSPIPS {
|
|
SysBusDevice parent_obj;
|
|
|
|
MemoryRegion iomem;
|
|
MemoryRegion mmlqspi;
|
|
|
|
qemu_irq irq;
|
|
int irqline;
|
|
|
|
uint8_t num_cs;
|
|
uint8_t num_busses;
|
|
|
|
uint8_t snoop_state;
|
|
int cmd_dummies;
|
|
uint8_t link_state;
|
|
uint8_t link_state_next;
|
|
uint8_t link_state_next_when;
|
|
qemu_irq *cs_lines;
|
|
bool *cs_lines_state;
|
|
SSIBus **spi;
|
|
|
|
Fifo8 rx_fifo;
|
|
Fifo8 tx_fifo;
|
|
|
|
uint8_t num_txrx_bytes;
|
|
uint32_t rx_discard;
|
|
|
|
uint32_t regs[XLNX_SPIPS_R_MAX];
|
|
|
|
bool man_start_com;
|
|
};
|
|
|
|
typedef struct {
|
|
XilinxSPIPS parent_obj;
|
|
|
|
uint8_t lqspi_buf[LQSPI_CACHE_SIZE];
|
|
hwaddr lqspi_cached_addr;
|
|
Error *migration_blocker;
|
|
bool mmio_execution_enabled;
|
|
} XilinxQSPIPS;
|
|
|
|
typedef struct {
|
|
XilinxQSPIPS parent_obj;
|
|
|
|
StreamSlave *dma;
|
|
uint8_t dma_buf[4];
|
|
int gqspi_irqline;
|
|
|
|
uint32_t regs[XLNX_ZYNQMP_SPIPS_R_MAX];
|
|
|
|
/* GQSPI has seperate tx/rx fifos */
|
|
Fifo8 rx_fifo_g;
|
|
Fifo8 tx_fifo_g;
|
|
Fifo32 fifo_g;
|
|
/*
|
|
* At the end of each generic command, misaligned extra bytes are discard
|
|
* or padded to tx and rx respectively to round it out (and avoid need for
|
|
* individual byte access. Since we use byte fifos, keep track of the
|
|
* alignment WRT to word access.
|
|
*/
|
|
uint8_t rx_fifo_g_align;
|
|
uint8_t tx_fifo_g_align;
|
|
bool man_start_com_g;
|
|
} XlnxZynqMPQSPIPS;
|
|
|
|
typedef struct XilinxSPIPSClass {
|
|
SysBusDeviceClass parent_class;
|
|
|
|
const MemoryRegionOps *reg_ops;
|
|
|
|
uint32_t rx_fifo_size;
|
|
uint32_t tx_fifo_size;
|
|
} XilinxSPIPSClass;
|
|
|
|
#define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
|
|
#define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
|
|
#define TYPE_XLNX_ZYNQMP_QSPIPS "xlnx.usmp-gqspi"
|
|
|
|
#define XILINX_SPIPS(obj) \
|
|
OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
|
|
#define XILINX_SPIPS_CLASS(klass) \
|
|
OBJECT_CLASS_CHECK(XilinxSPIPSClass, (klass), TYPE_XILINX_SPIPS)
|
|
#define XILINX_SPIPS_GET_CLASS(obj) \
|
|
OBJECT_GET_CLASS(XilinxSPIPSClass, (obj), TYPE_XILINX_SPIPS)
|
|
|
|
#define XILINX_QSPIPS(obj) \
|
|
OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
|
|
|
|
#define XLNX_ZYNQMP_QSPIPS(obj) \
|
|
OBJECT_CHECK(XlnxZynqMPQSPIPS, (obj), TYPE_XLNX_ZYNQMP_QSPIPS)
|
|
|
|
#endif /* XILINX_SPIPS_H */
|