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| author | Francisco Iglesias <frasse.iglesias@gmail.com> | 2017-12-13 17:59:22 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-12-13 17:59:22 +0000 |
| commit | c95997a39de679a1ae29c2f0637ec07f0291fedc (patch) | |
| tree | 4dfa2cdab2bdfd6f892ac374664bb6d444e5f5c1 /include/hw/ssi | |
| parent | 2e1cf2c9685978193ef429cdb711bf50debea9d8 (diff) | |
| download | focaccia-qemu-c95997a39de679a1ae29c2f0637ec07f0291fedc.tar.gz focaccia-qemu-c95997a39de679a1ae29c2f0637ec07f0291fedc.zip | |
xilinx_spips: Add support for the ZynqMP Generic QSPI
Add support for the Zynq Ultrascale MPSoc Generic QSPI. Signed-off-by: Francisco Iglesias <frasse.iglesias@gmail.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 20171126231634.9531-13-frasse.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/ssi')
| -rw-r--r-- | include/hw/ssi/xilinx_spips.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/include/hw/ssi/xilinx_spips.h b/include/hw/ssi/xilinx_spips.h index ad2175ac5c..75fc94ce5d 100644 --- a/include/hw/ssi/xilinx_spips.h +++ b/include/hw/ssi/xilinx_spips.h @@ -26,11 +26,13 @@ #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 (0x200 / 4) /* Bite off 4k chunks at a time */ #define LQSPI_CACHE_SIZE 1024 @@ -89,6 +91,30 @@ typedef struct { 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; @@ -100,6 +126,7 @@ typedef struct 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) @@ -111,4 +138,7 @@ typedef struct XilinxSPIPSClass { #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 */ |