+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2013 Xilinx, Inc.
* (C) Copyright 2015 Jagan Teki <jteki@openedev.com>
*
* Xilinx Zynq Quad-SPI(QSPI) controller driver (master mode only)
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#define ZYNQ_QSPI_IXR_TXOW_MASK BIT(2) /* TX_FIFO_not_full */
#define ZYNQ_QSPI_IXR_ALL_MASK GENMASK(6, 0) /* All IXR bits */
#define ZYNQ_QSPI_ENR_SPI_EN_MASK BIT(0) /* SPI Enable */
+#define ZYNQ_QSPI_LQSPICFG_LQMODE_MASK BIT(31) /* Linear QSPI Mode */
/* zynq qspi Transmit Data Register */
#define ZYNQ_QSPI_TXD_00_00_OFFSET 0x1C /* Transmit 4-byte inst */
u32 txd1r; /* 0x80 */
u32 txd2r; /* 0x84 */
u32 txd3r; /* 0x88 */
+ u32 reserved1[5];
+ u32 lqspicfg; /* 0xA0 */
+ u32 lqspists; /* 0xA4 */
};
/* zynq qspi platform data */
{
struct zynq_qspi_platdata *plat = bus->platdata;
const void *blob = gd->fdt_blob;
- int node = bus->of_offset;
+ int node = dev_of_offset(bus);
plat->regs = (struct zynq_qspi_regs *)fdtdec_get_addr(blob,
node, "reg");
ZYNQ_QSPI_CR_MSTREN_MASK;
writel(confr, ®s->cr);
+ /* Disable the LQSPI feature */
+ confr = readl(®s->lqspicfg);
+ confr &= ~ZYNQ_QSPI_LQSPICFG_LQMODE_MASK;
+ writel(confr, ®s->lqspicfg);
+
/* Enable SPI */
writel(ZYNQ_QSPI_ENR_SPI_EN_MASK, ®s->enr);
}