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xilinx_spips: Add support for the ZynqMP Generic QSPI

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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>
This commit is contained in:
Francisco Iglesias 2017-12-13 17:59:22 +00:00 • committed by Peter Maydell
parent 2e1cf2c968
commit c95997a39d
3 changed files with 563 additions and 48 deletions
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32
include/hw/ssi/xilinx_spips.h
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@ -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 */