+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2013-2015 Freescale Semiconductor, Inc.
*
* Freescale Quad Serial Peripheral Interface (QSPI) driver
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
DECLARE_GLOBAL_DATA_PTR;
#define RX_BUFFER_SIZE 0x80
-#ifdef CONFIG_MX6SX
+#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6UL) || \
+ defined(CONFIG_MX6ULL) || defined(CONFIG_MX7D)
#define TX_BUFFER_SIZE 0x200
#else
#define TX_BUFFER_SIZE 0x40
out_be32(addr, val) : out_le32(addr, val);
}
+static inline int is_controller_busy(const struct fsl_qspi_priv *priv)
+{
+ u32 val;
+ const u32 mask = QSPI_SR_BUSY_MASK | QSPI_SR_AHB_ACC_MASK |
+ QSPI_SR_IP_ACC_MASK;
+ unsigned int retry = 5;
+
+ do {
+ val = qspi_read32(priv->flags, &priv->regs->sr);
+
+ if ((~val & mask) == mask)
+ return 0;
+
+ udelay(1);
+ } while (--retry);
+
+ return -ETIMEDOUT;
+}
+
/* QSPI support swapping the flash read/write data
* in hardware for LS102xA, but not for VF610 */
static inline u32 qspi_endian_xchg(u32 data)
INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
#endif
-#ifdef CONFIG_MX6SX
+#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6UL) || \
+ defined(CONFIG_MX6ULL) || defined(CONFIG_MX7D)
/*
* To MX6SX, OPRND0(TX_BUFFER_SIZE) can not work correctly.
* So, Use IDATSZ in IPCR to determine the size and here set 0.
{
struct fsl_qspi_regs *regs = priv->regs;
u32 mcr_reg;
- void *rx_addr = NULL;
+ void *rx_addr;
mcr_reg = qspi_read32(priv->flags, ®s->mcr);
qspi->slave.max_write_size = TX_BUFFER_SIZE;
mcr_val = qspi_read32(qspi->priv.flags, ®s->mcr);
+
+ /* Set endianness to LE for i.mx */
+ if (IS_ENABLED(CONFIG_MX6) || IS_ENABLED(CONFIG_MX7))
+ mcr_val = QSPI_MCR_END_CFD_LE;
+
qspi_write32(qspi->priv.flags, ®s->mcr,
QSPI_MCR_RESERVED_MASK | QSPI_MCR_MDIS_MASK |
(mcr_val & QSPI_MCR_END_CFD_MASK));
priv->num_chipselect = plat->num_chipselect;
/* make sure controller is not busy anywhere */
- ret = wait_for_bit(__func__, &priv->regs->sr,
- QSPI_SR_BUSY_MASK |
- QSPI_SR_AHB_ACC_MASK |
- QSPI_SR_IP_ACC_MASK,
- false, 100, false);
+ ret = is_controller_busy(priv);
if (ret) {
debug("ERROR : The controller is busy\n");
}
mcr_val = qspi_read32(priv->flags, &priv->regs->mcr);
+
+ /* Set endianness to LE for i.mx */
+ if (IS_ENABLED(CONFIG_MX6) || IS_ENABLED(CONFIG_MX7))
+ mcr_val = QSPI_MCR_END_CFD_LE;
+
qspi_write32(priv->flags, &priv->regs->mcr,
QSPI_MCR_RESERVED_MASK | QSPI_MCR_MDIS_MASK |
(mcr_val & QSPI_MCR_END_CFD_MASK));
priv = dev_get_priv(bus);
/* make sure controller is not busy anywhere */
- ret = wait_for_bit(__func__, &priv->regs->sr,
- QSPI_SR_BUSY_MASK |
- QSPI_SR_AHB_ACC_MASK |
- QSPI_SR_IP_ACC_MASK,
- false, 100, false);
+ ret = is_controller_busy(priv);
if (ret) {
debug("ERROR : The controller is busy\n");
static const struct udevice_id fsl_qspi_ids[] = {
{ .compatible = "fsl,vf610-qspi" },
{ .compatible = "fsl,imx6sx-qspi" },
+ { .compatible = "fsl,imx6ul-qspi" },
+ { .compatible = "fsl,imx7d-qspi" },
{ }
};