diff options
Diffstat (limited to 'include/hw/ssi/xilinx_spips.h')
| -rw-r--r-- | include/hw/ssi/xilinx_spips.h | 74 |
1 files changed, 73 insertions, 1 deletions
diff --git a/include/hw/ssi/xilinx_spips.h b/include/hw/ssi/xilinx_spips.h index 06aa09629d..d398a4e81c 100644 --- a/include/hw/ssi/xilinx_spips.h +++ b/include/hw/ssi/xilinx_spips.h @@ -26,11 +26,29 @@ #define XILINX_SPIPS_H #include "hw/ssi/ssi.h" -#include "qemu/fifo8.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; @@ -45,19 +63,70 @@ struct XilinxSPIPS { 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) @@ -69,4 +138,7 @@ struct XilinxSPIPS { #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 */ |