Commit 4f0da466 authored by Alistair Francis's avatar Alistair Francis Committed by Peter Maydell
Browse files

xilinx_spips: Set all of the reset values 



Following the ZynqMP register spec let's ensure that all reset values
are set.

Signed-off-by: default avatarAlistair Francis <alistair.francis@xilinx.com>
Reviewed-by: default avatarFrancisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 19836f3e0a298b13343c5a59c87425355e7fd8bd.1513104804.git.alistair.francis@xilinx.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent cbf8b991

hw/ssi/xilinx_spips.c

+30 −5
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ 


/* interrupt mechanism */

#define R_INTR_STATUS       (0x04 / 4)

#define R_INTR_STATUS_RESET (0x104)

#define R_INTR_EN           (0x08 / 4)

#define R_INTR_DIS          (0x0C / 4)

#define R_INTR_MASK         (0x10 / 4)
@@ -102,6 +103,9 @@ 
#define R_SLAVE_IDLE_COUNT  (0x24 / 4)

#define R_TX_THRES          (0x28 / 4)

#define R_RX_THRES          (0x2C / 4)

#define R_GPIO              (0x30 / 4)

#define R_LPBK_DLY_ADJ      (0x38 / 4)

#define R_LPBK_DLY_ADJ_RESET (0x33)

#define R_TXD1              (0x80 / 4)

#define R_TXD2              (0x84 / 4)

#define R_TXD3              (0x88 / 4)
@@ -140,8 +144,12 @@ 
#define R_GQSPI_IER         (0x108 / 4)

#define R_GQSPI_IDR         (0x10c / 4)

#define R_GQSPI_IMR         (0x110 / 4)

#define R_GQSPI_IMR_RESET   (0xfbe)

#define R_GQSPI_TX_THRESH   (0x128 / 4)

#define R_GQSPI_RX_THRESH   (0x12c / 4)

#define R_GQSPI_GPIO (0x130 / 4)

#define R_GQSPI_LPBK_DLY_ADJ (0x138 / 4)

#define R_GQSPI_LPBK_DLY_ADJ_RESET (0x33)

#define R_GQSPI_CNFG        (0x100 / 4)

    FIELD(GQSPI_CNFG, MODE_EN, 30, 2)

    FIELD(GQSPI_CNFG, GEN_FIFO_START_MODE, 29, 1)
@@ -177,8 +185,16 @@ 
    FIELD(GQSPI_GF_SNAPSHOT, EXPONENT, 9, 1)

    FIELD(GQSPI_GF_SNAPSHOT, DATA_XFER, 8, 1)

    FIELD(GQSPI_GF_SNAPSHOT, IMMEDIATE_DATA, 0, 8)

#define R_GQSPI_MOD_ID        (0x168 / 4)

#define R_GQSPI_MOD_ID_VALUE  0x010A0000

#define R_GQSPI_MOD_ID        (0x1fc / 4)

#define R_GQSPI_MOD_ID_RESET  (0x10a0000)



#define R_QSPIDMA_DST_CTRL         (0x80c / 4)

#define R_QSPIDMA_DST_CTRL_RESET   (0x803ffa00)

#define R_QSPIDMA_DST_I_MASK       (0x820 / 4)

#define R_QSPIDMA_DST_I_MASK_RESET (0xfe)

#define R_QSPIDMA_DST_CTRL2        (0x824 / 4)

#define R_QSPIDMA_DST_CTRL2_RESET  (0x081bfff8)



/* size of TXRX FIFOs */

#define RXFF_A          (128)

#define TXFF_A          (128)
@@ -351,11 +367,20 @@ static void xlnx_zynqmp_qspips_reset(DeviceState *d) 
    fifo8_reset(&s->rx_fifo_g);

    fifo8_reset(&s->rx_fifo_g);

    fifo32_reset(&s->fifo_g);

    s->regs[R_INTR_STATUS] = R_INTR_STATUS_RESET;

    s->regs[R_GPIO] = 1;

    s->regs[R_LPBK_DLY_ADJ] = R_LPBK_DLY_ADJ_RESET;

    s->regs[R_GQSPI_GFIFO_THRESH] = 0x10;

    s->regs[R_MOD_ID] = 0x01090101;

    s->regs[R_GQSPI_IMR] = R_GQSPI_IMR_RESET;

    s->regs[R_GQSPI_TX_THRESH] = 1;

    s->regs[R_GQSPI_RX_THRESH] = 1;

    s->regs[R_GQSPI_GFIFO_THRESH] = 1;

    s->regs[R_GQSPI_IMR] = GQSPI_IXR_MASK;

    s->regs[R_MOD_ID] = 0x01090101;

    s->regs[R_GQSPI_GPIO] = 1;

    s->regs[R_GQSPI_LPBK_DLY_ADJ] = R_GQSPI_LPBK_DLY_ADJ_RESET;

    s->regs[R_GQSPI_MOD_ID] = R_GQSPI_MOD_ID_RESET;

    s->regs[R_QSPIDMA_DST_CTRL] = R_QSPIDMA_DST_CTRL_RESET;

    s->regs[R_QSPIDMA_DST_I_MASK] = R_QSPIDMA_DST_I_MASK_RESET;

    s->regs[R_QSPIDMA_DST_CTRL2] = R_QSPIDMA_DST_CTRL2_RESET;

    s->man_start_com_g = false;

    s->gqspi_irqline = 0;

    xlnx_zynqmp_qspips_update_ixr(s);

include/hw/ssi/xilinx_spips.h

+1 −1
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ 
typedef struct XilinxSPIPS XilinxSPIPS;



#define XLNX_SPIPS_R_MAX        (0x100 / 4)

#define XLNX_ZYNQMP_SPIPS_R_MAX (0x200 / 4)

#define XLNX_ZYNQMP_SPIPS_R_MAX (0x830 / 4)



/* Bite off 4k chunks at a time */

#define LQSPI_CACHE_SIZE 1024