| /* |
| * 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 */ |