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-rw-r--r--drivers/ata/Kconfig8
-rw-r--r--drivers/ata/Makefile1
-rw-r--r--drivers/ata/ahci_sunxi.c125
-rw-r--r--drivers/clk/clk_zynq.c2
-rw-r--r--drivers/clk/sunxi/clk_r40.c3
-rw-r--r--drivers/fpga/zynqpl.c5
-rw-r--r--drivers/mmc/Kconfig10
-rw-r--r--drivers/mmc/Makefile1
-rw-r--r--drivers/mmc/snps_dw_mmc.c199
-rw-r--r--drivers/net/sun8i_emac.c112
-rw-r--r--drivers/net/sunxi_emac.c28
-rw-r--r--drivers/net/zynq_gem.c53
-rw-r--r--drivers/spi/Kconfig13
-rw-r--r--drivers/spi/Makefile2
-rw-r--r--drivers/spi/ti_qspi.c351
-rw-r--r--drivers/spi/zynqmp_gqspi.c4
16 files changed, 556 insertions, 361 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 593e9cbc1f..4e95a68a2d 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -109,6 +109,14 @@ config SATA_SIL3114
help
Enable this driver to support the SIL3114 SATA controllers.
+config SUNXI_AHCI
+ bool "Enable Allwinner SATA driver support"
+ depends on AHCI
+ default y if ARCH_SUNXI
+ help
+ Enable this driver to support the SATA controllers found in the
+ Allwinner A10, A20 and R40 SoCs.
+
config AHCI_MVEBU
bool "Marvell EBU AHCI SATA support"
depends on ARCH_MVEBU
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 10bed53bb3..a69edb10f7 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -18,3 +18,4 @@ obj-$(CONFIG_SATA_SIL3114) += sata_sil3114.o
obj-$(CONFIG_SATA_SIL) += sata_sil.o
obj-$(CONFIG_SANDBOX) += sata_sandbox.o
obj-$(CONFIG_AHCI_MVEBU) += ahci_mvebu.o
+obj-$(CONFIG_SUNXI_AHCI) += ahci_sunxi.o
diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
new file mode 100644
index 0000000000..77b932aa03
--- /dev/null
+++ b/drivers/ata/ahci_sunxi.c
@@ -0,0 +1,125 @@
+#include <common.h>
+#include <ahci.h>
+#include <dm.h>
+#include <scsi.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#define AHCI_PHYCS0R 0x00c0
+#define AHCI_PHYCS1R 0x00c4
+#define AHCI_PHYCS2R 0x00c8
+#define AHCI_RWCR 0x00fc
+
+/* This magic PHY initialisation was taken from the Allwinner releases
+ * and Linux driver, but is completely undocumented.
+ */
+static int sunxi_ahci_phy_init(u8 *reg_base)
+{
+ u32 reg_val;
+ int timeout;
+
+ writel(0, reg_base + AHCI_RWCR);
+ mdelay(5);
+
+ setbits_le32(reg_base + AHCI_PHYCS1R, 0x1 << 19);
+ clrsetbits_le32(reg_base + AHCI_PHYCS0R,
+ (0x7 << 24),
+ (0x5 << 24) | (0x1 << 23) | (0x1 << 18));
+ clrsetbits_le32(reg_base + AHCI_PHYCS1R,
+ (0x3 << 16) | (0x1f << 8) | (0x3 << 6),
+ (0x2 << 16) | (0x6 << 8) | (0x2 << 6));
+ setbits_le32(reg_base + AHCI_PHYCS1R, (0x1 << 28) | (0x1 << 15));
+ clrbits_le32(reg_base + AHCI_PHYCS1R, (0x1 << 19));
+ clrsetbits_le32(reg_base + AHCI_PHYCS0R, (0x7 << 20), (0x3 << 20));
+ clrsetbits_le32(reg_base + AHCI_PHYCS2R, (0x1f << 5), (0x19 << 5));
+ mdelay(5);
+
+ setbits_le32(reg_base + AHCI_PHYCS0R, (0x1 << 19));
+
+ timeout = 250; /* Power up takes approx 50 us */
+ for (;;) {
+ reg_val = readl(reg_base + AHCI_PHYCS0R) & (0x7 << 28);
+ if (reg_val == (0x2 << 28))
+ break;
+ if (--timeout == 0) {
+ printf("AHCI PHY power up failed.\n");
+ return -EIO;
+ }
+ udelay(1);
+ };
+
+ setbits_le32(reg_base + AHCI_PHYCS2R, (0x1 << 24));
+
+ timeout = 100; /* Calibration takes approx 10 us */
+ for (;;) {
+ reg_val = readl(reg_base + AHCI_PHYCS2R) & (0x1 << 24);
+ if (reg_val == 0x0)
+ break;
+ if (--timeout == 0) {
+ printf("AHCI PHY calibration failed.\n");
+ return -EIO;
+ }
+ udelay(1);
+ }
+
+ mdelay(15);
+
+ writel(0x7, reg_base + AHCI_RWCR);
+
+ return 0;
+}
+
+static int sunxi_sata_probe(struct udevice *dev)
+{
+ ulong base;
+ u8 *reg;
+ int ret;
+
+ base = dev_read_addr(dev);
+ if (base == FDT_ADDR_T_NONE) {
+ debug("%s: Failed to find address (err=%d\n)", __func__, ret);
+ return -EINVAL;
+ }
+ reg = (u8 *)base;
+ ret = sunxi_ahci_phy_init(reg);
+ if (ret) {
+ debug("%s: Failed to init phy (err=%d\n)", __func__, ret);
+ return ret;
+ }
+ ret = ahci_probe_scsi(dev, base);
+ if (ret) {
+ debug("%s: Failed to probe (err=%d\n)", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sunxi_sata_bind(struct udevice *dev)
+{
+ struct udevice *scsi_dev;
+ int ret;
+
+ ret = ahci_bind_scsi(dev, &scsi_dev);
+ if (ret) {
+ debug("%s: Failed to bind (err=%d\n)", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct udevice_id sunxi_ahci_ids[] = {
+ { .compatible = "allwinner,sun4i-a10-ahci" },
+ { .compatible = "allwinner,sun8i-r40-ahci" },
+ { }
+};
+
+U_BOOT_DRIVER(ahci_sunxi_drv) = {
+ .name = "ahci_sunxi",
+ .id = UCLASS_AHCI,
+ .of_match = sunxi_ahci_ids,
+ .bind = sunxi_sata_bind,
+ .probe = sunxi_sata_probe,
+};
diff --git a/drivers/clk/clk_zynq.c b/drivers/clk/clk_zynq.c
index 482f0937cb..b09c37db40 100644
--- a/drivers/clk/clk_zynq.c
+++ b/drivers/clk/clk_zynq.c
@@ -434,6 +434,8 @@ static ulong zynq_clk_get_rate(struct clk *clk)
case lqspi_clk ... pcap_clk:
case sdio0_clk ... spi1_clk:
return zynq_clk_get_peripheral_rate(priv, id, 0);
+ case i2c0_aper_clk ... i2c1_aper_clk:
+ return zynq_clk_get_cpu_rate(priv, cpu_1x_clk);
default:
return -ENXIO;
}
diff --git a/drivers/clk/sunxi/clk_r40.c b/drivers/clk/sunxi/clk_r40.c
index 30beac98bb..44abc4f536 100644
--- a/drivers/clk/sunxi/clk_r40.c
+++ b/drivers/clk/sunxi/clk_r40.c
@@ -62,7 +62,6 @@ static struct ccu_reset r40_resets[] = {
[RST_BUS_MMC1] = RESET(0x2c0, BIT(9)),
[RST_BUS_MMC2] = RESET(0x2c0, BIT(10)),
[RST_BUS_MMC3] = RESET(0x2c0, BIT(11)),
- [RST_BUS_GMAC] = RESET(0x2c0, BIT(17)),
[RST_BUS_SPI0] = RESET(0x2c0, BIT(20)),
[RST_BUS_SPI1] = RESET(0x2c0, BIT(21)),
[RST_BUS_SPI2] = RESET(0x2c0, BIT(22)),
@@ -75,6 +74,8 @@ static struct ccu_reset r40_resets[] = {
[RST_BUS_OHCI1] = RESET(0x2c0, BIT(30)),
[RST_BUS_OHCI2] = RESET(0x2c0, BIT(31)),
+ [RST_BUS_GMAC] = RESET(0x2c4, BIT(17)),
+
[RST_BUS_UART0] = RESET(0x2d8, BIT(16)),
[RST_BUS_UART1] = RESET(0x2d8, BIT(17)),
[RST_BUS_UART2] = RESET(0x2d8, BIT(18)),
diff --git a/drivers/fpga/zynqpl.c b/drivers/fpga/zynqpl.c
index 499310d0c0..069c63ba45 100644
--- a/drivers/fpga/zynqpl.c
+++ b/drivers/fpga/zynqpl.c
@@ -408,6 +408,8 @@ static int zynq_load(xilinx_desc *desc, const void *buf, size_t bsize,
if (bstype != BIT_PARTIAL)
zynq_slcr_devcfg_enable();
+ puts("INFO:post config was not run, please run manually if needed\n");
+
return FPGA_SUCCESS;
}
@@ -421,7 +423,8 @@ static int zynq_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
loff_t blocksize, actread;
loff_t pos = 0;
int fstype;
- char *interface, *dev_part, *filename;
+ char *interface, *dev_part;
+ const char *filename;
blocksize = fsinfo->blocksize;
interface = fsinfo->interface;
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 04a4e7716f..c34dd5d187 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -222,6 +222,16 @@ config MMC_DW_SOCFPGA
Synopsys DesignWare Memory Card Interface driver. Select this option
for platforms based on Altera SOCFPGA.
+config MMC_DW_SNPS
+ bool "Extensions for DW Memory Card Interface used in Synopsys ARC devboards"
+ depends on MMC_DW
+ depends on DM_MMC
+ depends on OF_CONTROL
+ depends on CLK
+ help
+ This selects support for Synopsys DesignWare Memory Card Interface driver
+ extensions used in various Synopsys ARC devboards.
+
config MMC_MESON_GX
bool "Meson GX EMMC controller support"
depends on DM_MMC && BLK && ARCH_MESON
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 7892c468f0..0076fc393b 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_MMC_DW_EXYNOS) += exynos_dw_mmc.o
obj-$(CONFIG_MMC_DW_K3) += hi6220_dw_mmc.o
obj-$(CONFIG_MMC_DW_ROCKCHIP) += rockchip_dw_mmc.o
obj-$(CONFIG_MMC_DW_SOCFPGA) += socfpga_dw_mmc.o
+obj-$(CONFIG_MMC_DW_SNPS) += snps_dw_mmc.o
obj-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o
obj-$(CONFIG_FTSDC010) += ftsdc010_mci.o
obj-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o
diff --git a/drivers/mmc/snps_dw_mmc.c b/drivers/mmc/snps_dw_mmc.c
new file mode 100644
index 0000000000..5a413f0ec7
--- /dev/null
+++ b/drivers/mmc/snps_dw_mmc.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Synopsys DesignWare Multimedia Card Interface driver
+ * extensions used in various Synopsys ARC devboards.
+ *
+ * Copyright (C) 2019 Synopsys
+ * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <dwmmc.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <linux/libfdt.h>
+#include <linux/err.h>
+#include <malloc.h>
+
+#define CLOCK_MIN 400000 /* 400 kHz */
+#define FIFO_MIN 8
+#define FIFO_MAX 4096
+
+struct snps_dwmci_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
+struct snps_dwmci_priv_data {
+ struct dwmci_host host;
+ u32 f_max;
+};
+
+static int snps_dwmmc_clk_setup(struct udevice *dev)
+{
+ struct snps_dwmci_priv_data *priv = dev_get_priv(dev);
+ struct dwmci_host *host = &priv->host;
+
+ struct clk clk_ciu, clk_biu;
+ int ret;
+
+ ret = clk_get_by_name(dev, "ciu", &clk_ciu);
+ if (ret)
+ goto clk_err;
+
+ ret = clk_enable(&clk_ciu);
+ if (ret && ret != -ENOSYS && ret != -ENOTSUPP)
+ goto clk_err_ciu;
+
+ host->bus_hz = clk_get_rate(&clk_ciu);
+ if (host->bus_hz < CLOCK_MIN) {
+ ret = -EINVAL;
+ goto clk_err_ciu_dis;
+ }
+
+ ret = clk_get_by_name(dev, "biu", &clk_biu);
+ if (ret)
+ goto clk_err_ciu_dis;
+
+ ret = clk_enable(&clk_biu);
+ if (ret && ret != -ENOSYS && ret != -ENOTSUPP)
+ goto clk_err_biu;
+
+ return 0;
+
+clk_err_biu:
+ clk_free(&clk_biu);
+clk_err_ciu_dis:
+ clk_disable(&clk_ciu);
+clk_err_ciu:
+ clk_free(&clk_ciu);
+clk_err:
+ dev_err(dev, "failed to setup clocks, ret %d\n", ret);
+
+ return ret;
+}
+
+static int snps_dwmmc_ofdata_to_platdata(struct udevice *dev)
+{
+ struct snps_dwmci_priv_data *priv = dev_get_priv(dev);
+ struct dwmci_host *host = &priv->host;
+ u32 fifo_depth;
+ int ret;
+
+ host->ioaddr = devfdt_get_addr_ptr(dev);
+
+ /*
+ * If fifo-depth is unset don't set fifoth_val - we will try to
+ * auto detect it.
+ */
+ ret = dev_read_u32(dev, "fifo-depth", &fifo_depth);
+ if (!ret) {
+ if (fifo_depth < FIFO_MIN || fifo_depth > FIFO_MAX)
+ return -EINVAL;
+
+ host->fifoth_val = MSIZE(0x2) |
+ RX_WMARK(fifo_depth / 2 - 1) |
+ TX_WMARK(fifo_depth / 2);
+ }
+
+ host->buswidth = dev_read_u32_default(dev, "bus-width", 4);
+ if (host->buswidth != 1 && host->buswidth != 4 && host->buswidth != 8)
+ return -EINVAL;
+
+ /*
+ * If max-frequency is unset don't set priv->f_max - we will use
+ * host->bus_hz in probe() instead.
+ */
+ ret = dev_read_u32(dev, "max-frequency", &priv->f_max);
+ if (!ret && priv->f_max < CLOCK_MIN)
+ return -EINVAL;
+
+ host->fifo_mode = dev_read_bool(dev, "fifo-mode");
+ host->name = dev->name;
+ host->dev_index = 0;
+ host->priv = priv;
+
+ return 0;
+}
+
+int snps_dwmmc_getcd(struct udevice *dev)
+{
+ struct snps_dwmci_priv_data *priv = dev_get_priv(dev);
+ struct dwmci_host *host = &priv->host;
+
+ return !(dwmci_readl(host, DWMCI_CDETECT) & 1);
+}
+
+struct dm_mmc_ops snps_dwmci_dm_ops;
+
+static int snps_dwmmc_probe(struct udevice *dev)
+{
+#ifdef CONFIG_BLK
+ struct snps_dwmci_plat *plat = dev_get_platdata(dev);
+#endif
+ struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct snps_dwmci_priv_data *priv = dev_get_priv(dev);
+ struct dwmci_host *host = &priv->host;
+ unsigned int clock_max;
+ int ret;
+
+ /* Extend generic 'dm_dwmci_ops' with our 'getcd' implementation */
+ memcpy(&snps_dwmci_dm_ops, &dm_dwmci_ops, sizeof(struct dm_mmc_ops));
+ snps_dwmci_dm_ops.get_cd = snps_dwmmc_getcd;
+
+ ret = snps_dwmmc_clk_setup(dev);
+ if (ret)
+ return ret;
+
+ if (!priv->f_max)
+ clock_max = host->bus_hz;
+ else
+ clock_max = min_t(unsigned int, host->bus_hz, priv->f_max);
+
+#ifdef CONFIG_BLK
+ dwmci_setup_cfg(&plat->cfg, host, clock_max, CLOCK_MIN);
+ host->mmc = &plat->mmc;
+#else
+ ret = add_dwmci(host, clock_max, CLOCK_MIN);
+ if (ret)
+ return ret;
+#endif
+ host->mmc->priv = &priv->host;
+ upriv->mmc = host->mmc;
+ host->mmc->dev = dev;
+
+ return dwmci_probe(dev);
+}
+
+static int snps_dwmmc_bind(struct udevice *dev)
+{
+#ifdef CONFIG_BLK
+ struct snps_dwmci_plat *plat = dev_get_platdata(dev);
+ int ret;
+
+ ret = dwmci_bind(dev, &plat->mmc, &plat->cfg);
+ if (ret)
+ return ret;
+#endif
+
+ return 0;
+}
+
+static const struct udevice_id snps_dwmmc_ids[] = {
+ { .compatible = "snps,dw-mshc" },
+ { }
+};
+
+U_BOOT_DRIVER(snps_dwmmc_drv) = {
+ .name = "snps_dw_mmc",
+ .id = UCLASS_MMC,
+ .of_match = snps_dwmmc_ids,
+ .ofdata_to_platdata = snps_dwmmc_ofdata_to_platdata,
+ .ops = &snps_dwmci_dm_ops,
+ .bind = snps_dwmmc_bind,
+ .probe = snps_dwmmc_probe,
+ .priv_auto_alloc_size = sizeof(struct snps_dwmci_priv_data),
+ .platdata_auto_alloc_size = sizeof(struct snps_dwmci_plat),
+};
diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index c9798445c7..98bd7a5823 100644
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -14,12 +14,14 @@
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <fdt_support.h>
#include <linux/err.h>
#include <malloc.h>
#include <miiphy.h>
#include <net.h>
+#include <reset.h>
#include <dt-bindings/pinctrl/sun4i-a10.h>
#ifdef CONFIG_DM_GPIO
#include <asm-generic/gpio.h>
@@ -135,6 +137,8 @@ struct emac_eth_dev {
phys_addr_t sysctl_reg;
struct phy_device *phydev;
struct mii_dev *bus;
+ struct clk tx_clk;
+ struct reset_ctl tx_rst;
#ifdef CONFIG_DM_GPIO
struct gpio_desc reset_gpio;
#endif
@@ -285,10 +289,18 @@ static int sun8i_emac_set_syscon(struct sun8i_eth_pdata *pdata,
int ret;
u32 reg;
- reg = readl(priv->sysctl_reg + 0x30);
+ if (priv->variant == R40_GMAC) {
+ /* Select RGMII for R40 */
+ reg = readl(priv->sysctl_reg + 0x164);
+ reg |= CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
+ CCM_GMAC_CTRL_GPIT_RGMII |
+ CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY);
- if (priv->variant == R40_GMAC)
+ writel(reg, priv->sysctl_reg + 0x164);
return 0;
+ }
+
+ reg = readl(priv->sysctl_reg + 0x30);
if (priv->variant == H3_EMAC) {
ret = sun8i_emac_set_syscon_ephy(priv, &reg);
@@ -639,9 +651,24 @@ static int sun8i_eth_write_hwaddr(struct udevice *dev)
return _sun8i_write_hwaddr(priv, pdata->enetaddr);
}
-static void sun8i_emac_board_setup(struct emac_eth_dev *priv)
+static int sun8i_emac_board_setup(struct emac_eth_dev *priv)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ int ret;
+
+ ret = clk_enable(&priv->tx_clk);
+ if (ret) {
+ dev_err(dev, "failed to enable TX clock\n");
+ return ret;
+ }
+
+ if (reset_valid(&priv->tx_rst)) {
+ ret = reset_deassert(&priv->tx_rst);
+ if (ret) {
+ dev_err(dev, "failed to deassert TX reset\n");
+ goto err_tx_clk;
+ }
+ }
if (priv->variant == H3_EMAC) {
/* Only H3/H5 have clock controls for internal EPHY */
@@ -656,26 +683,11 @@ static void sun8i_emac_board_setup(struct emac_eth_dev *priv)
}
}
- if (priv->variant == R40_GMAC) {
- /* Set clock gating for emac */
- setbits_le32(&ccm->ahb_reset1_cfg, BIT(AHB_RESET_OFFSET_GMAC));
-
- /* De-assert EMAC */
- setbits_le32(&ccm->ahb_gate1, BIT(AHB_GATE_OFFSET_GMAC));
+ return 0;
- /* Select RGMII for R40 */
- setbits_le32(&ccm->gmac_clk_cfg,
- CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
- CCM_GMAC_CTRL_GPIT_RGMII);
- setbits_le32(&ccm->gmac_clk_cfg,
- CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY));
- } else {
- /* Set clock gating for emac */
- setbits_le32(&ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_GMAC));
-
- /* De-assert EMAC */
- setbits_le32(&ccm->ahb_reset0_cfg, BIT(AHB_RESET_OFFSET_GMAC));
- }
+err_tx_clk:
+ clk_disable(&priv->tx_clk);
+ return ret;
}
#if defined(CONFIG_DM_GPIO)
@@ -802,10 +814,14 @@ static int sun8i_emac_eth_probe(struct udevice *dev)
struct sun8i_eth_pdata *sun8i_pdata = dev_get_platdata(dev);
struct eth_pdata *pdata = &sun8i_pdata->eth_pdata;
struct emac_eth_dev *priv = dev_get_priv(dev);
+ int ret;
priv->mac_reg = (void *)pdata->iobase;
- sun8i_emac_board_setup(priv);
+ ret = sun8i_emac_board_setup(priv);
+ if (ret)
+ return ret;
+
sun8i_emac_set_syscon(sun8i_pdata, priv);
sun8i_mdio_init(dev->name, dev);
@@ -834,8 +850,8 @@ static int sun8i_emac_eth_ofdata_to_platdata(struct udevice *dev)
int offset = 0;
#ifdef CONFIG_DM_GPIO
int reset_flags = GPIOD_IS_OUT;
- int ret = 0;
#endif
+ int ret;
pdata->iobase = devfdt_get_addr(dev);
if (pdata->iobase == FDT_ADDR_T_NONE) {
@@ -850,25 +866,35 @@ static int sun8i_emac_eth_ofdata_to_platdata(struct udevice *dev)
return -EINVAL;
}
- if (priv->variant != R40_GMAC) {
- offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "syscon");
- if (offset < 0) {
- debug("%s: cannot find syscon node\n", __func__);
- return -EINVAL;
- }
- reg = fdt_getprop(gd->fdt_blob, offset, "reg", NULL);
- if (!reg) {
- debug("%s: cannot find reg property in syscon node\n",
- __func__);
- return -EINVAL;
- }
- priv->sysctl_reg = fdt_translate_address((void *)gd->fdt_blob,
- offset, reg);
- if (priv->sysctl_reg == FDT_ADDR_T_NONE) {
- debug("%s: Cannot find syscon base address\n",
- __func__);
- return -EINVAL;
- }
+ ret = clk_get_by_name(dev, "stmmaceth", &priv->tx_clk);
+ if (ret) {
+ dev_err(dev, "failed to get TX clock\n");
+ return ret;
+ }
+
+ ret = reset_get_by_name(dev, "stmmaceth", &priv->tx_rst);
+ if (ret && ret != -ENOENT) {
+ dev_err(dev, "failed to get TX reset\n");
+ return ret;
+ }
+
+ offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "syscon");
+ if (offset < 0) {
+ debug("%s: cannot find syscon node\n", __func__);
+ return -EINVAL;
+ }
+
+ reg = fdt_getprop(gd->fdt_blob, offset, "reg", NULL);
+ if (!reg) {
+ debug("%s: cannot find reg property in syscon node\n",
+ __func__);
+ return -EINVAL;
+ }
+ priv->sysctl_reg = fdt_translate_address((void *)gd->fdt_blob,
+ offset, reg);
+ if (priv->sysctl_reg == FDT_ADDR_T_NONE) {
+ debug("%s: Cannot find syscon base address\n", __func__);
+ return -EINVAL;
}
pdata->phy_interface = -1;
diff --git a/drivers/net/sunxi_emac.c b/drivers/net/sunxi_emac.c
index 8dbd3c50c1..9a5f7fd3c7 100644
--- a/drivers/net/sunxi_emac.c
+++ b/drivers/net/sunxi_emac.c
@@ -6,6 +6,7 @@
*/
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <linux/err.h>
#include <malloc.h>
@@ -157,6 +158,7 @@ struct sunxi_sramc_regs {
struct emac_eth_dev {
struct emac_regs *regs;
+ struct clk clk;
struct mii_dev *bus;
struct phy_device *phydev;
int link_printed;
@@ -500,14 +502,12 @@ static int _sunxi_emac_eth_send(struct emac_eth_dev *priv, void *packet,
return 0;
}
-static void sunxi_emac_board_setup(struct emac_eth_dev *priv)
+static int sunxi_emac_board_setup(struct emac_eth_dev *priv)
{
- struct sunxi_ccm_reg *const ccm =
- (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
struct sunxi_sramc_regs *sram =
(struct sunxi_sramc_regs *)SUNXI_SRAMC_BASE;
struct emac_regs *regs = priv->regs;
- int pin;
+ int pin, ret;
/* Map SRAM to EMAC */
setbits_le32(&sram->ctrl1, 0x5 << 2);
@@ -517,10 +517,16 @@ static void sunxi_emac_board_setup(struct emac_eth_dev *priv)
sunxi_gpio_set_cfgpin(pin, SUNXI_GPA_EMAC);
/* Set up clock gating */
- setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_EMAC);
+ ret = clk_enable(&priv->clk);
+ if (ret) {
+ dev_err(dev, "failed to enable emac clock\n");
+ return ret;
+ }
/* Set MII clock */
clrsetbits_le32(&regs->mac_mcfg, 0xf << 2, 0xd << 2);
+
+ return 0;
}
static int sunxi_emac_eth_start(struct udevice *dev)
@@ -557,9 +563,19 @@ static int sunxi_emac_eth_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct emac_eth_dev *priv = dev_get_priv(dev);
+ int ret;
priv->regs = (struct emac_regs *)pdata->iobase;
- sunxi_emac_board_setup(priv);
+
+ ret = clk_get_by_index(dev, 0, &priv->clk);
+ if (ret) {
+ dev_err(dev, "failed to get emac clock\n");
+ return ret;
+ }
+
+ ret = sunxi_emac_board_setup(priv);
+ if (ret)
+ return ret;
return sunxi_emac_init_phy(priv, dev);
}
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 3bd0093b7a..033efb8195 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -261,45 +261,6 @@ static int phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
ZYNQ_GEM_PHYMNTNC_OP_W_MASK, &data);
}
-static int phy_detection(struct udevice *dev)
-{
- int i;
- u16 phyreg = 0;
- struct zynq_gem_priv *priv = dev->priv;
-
- if (priv->phyaddr != -1) {
- phyread(priv, priv->phyaddr, PHY_DETECT_REG, &phyreg);
- if ((phyreg != 0xFFFF) &&
- ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
- /* Found a valid PHY address */
- debug("Default phy address %d is valid\n",
- priv->phyaddr);
- return 0;
- } else {
- debug("PHY address is not setup correctly %d\n",
- priv->phyaddr);
- priv->phyaddr = -1;
- }
- }
-
- debug("detecting phy address\n");
- if (priv->phyaddr == -1) {
- /* detect the PHY address */
- for (i = 31; i >= 0; i--) {
- phyread(priv, i, PHY_DETECT_REG, &phyreg);
- if ((phyreg != 0xFFFF) &&
- ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
- /* Found a valid PHY address */
- priv->phyaddr = i;
- debug("Found valid phy address, %d\n", i);
- return 0;
- }
- }
- }
- printf("PHY is not detected\n");
- return -1;
-}
-
static int zynq_gem_setup_mac(struct udevice *dev)
{
u32 i, macaddrlow, macaddrhigh;
@@ -345,28 +306,20 @@ static int zynq_phy_init(struct udevice *dev)
/* Enable only MDIO bus */
writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, &regs->nwctrl);
- if ((priv->interface != PHY_INTERFACE_MODE_SGMII) &&
- (priv->interface != PHY_INTERFACE_MODE_GMII)) {
- ret = phy_detection(dev);
- if (ret) {
- printf("GEM PHY init failed\n");
- return ret;
- }
- }
-
priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
priv->interface);
if (!priv->phydev)
return -ENODEV;
- priv->phydev->supported &= supported | ADVERTISED_Pause |
- ADVERTISED_Asym_Pause;
if (priv->max_speed) {
ret = phy_set_supported(priv->phydev, priv->max_speed);
if (ret)
return ret;
}
+ priv->phydev->supported &= supported | ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause;
+
priv->phydev->advertising = priv->phydev->supported;
priv->phydev->node = priv->phy_of_node;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index a700f240ad..fb794adae7 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -259,6 +259,13 @@ config TEGRA210_QSPI
be used to access SPI chips on platforms embedding this
NVIDIA Tegra210 IP core.
+config TI_QSPI
+ bool "TI QSPI driver"
+ imply TI_EDMA3
+ help
+ Enable the TI Quad-SPI (QSPI) driver for DRA7xx and AM43xx evms.
+ This driver support spi flash single, quad and memory reads.
+
config XILINX_SPI
bool "Xilinx SPI driver"
help
@@ -346,12 +353,6 @@ config SH_QSPI
Enable the Renesas Quad SPI controller driver. This driver can be
used on Renesas SoCs.
-config TI_QSPI
- bool "TI QSPI driver"
- help
- Enable the TI Quad-SPI (QSPI) driver for DRA7xx and AM43xx evms.
- This driver support spi flash single, quad and memory reads.
-
config KIRKWOOD_SPI
bool "Marvell Kirkwood SPI Driver"
help
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 01907bef79..8be9a4baa2 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -9,6 +9,7 @@ obj-y += spi-uclass.o
obj-$(CONFIG_SANDBOX) += spi-emul-uclass.o
obj-$(CONFIG_SOFT_SPI) += soft_spi.o
obj-$(CONFIG_SPI_MEM) += spi-mem.o
+obj-$(CONFIG_TI_QSPI) += ti_qspi.o
else
obj-y += spi.o
obj-$(CONFIG_SPI_MEM) += spi-mem-nodm.o
@@ -56,7 +57,6 @@ obj-$(CONFIG_TEGRA114_SPI) += tegra114_spi.o
obj-$(CONFIG_TEGRA20_SFLASH) += tegra20_sflash.o
obj-$(CONFIG_TEGRA20_SLINK) += tegra20_slink.o
obj-$(CONFIG_TEGRA210_QSPI) += tegra210_qspi.o
-obj-$(CONFIG_TI_QSPI) += ti_qspi.o
obj-$(CONFIG_XILINX_SPI) += xilinx_spi.o
obj-$(CONFIG_ZYNQ_SPI) += zynq_spi.o
obj-$(CONFIG_ZYNQ_QSPI) += zynq_qspi.o
diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
index 2dcce66de0..77fa17ee8a 100644
--- a/drivers/spi/ti_qspi.c
+++ b/drivers/spi/ti_qspi.c
@@ -10,6 +10,7 @@
#include <asm/arch/omap.h>
#include <malloc.h>
#include <spi.h>
+#include <spi-mem.h>
#include <dm.h>
#include <asm/gpio.h>
#include <asm/omap_gpio.h>
@@ -40,7 +41,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define QSPI_INVAL (4 << 16)
#define QSPI_RD_QUAD (7 << 16)
/* device control */
-#define QSPI_DD(m, n) (m << (3 + n*8))
#define QSPI_CKPHA(n) (1 << (2 + n*8))
#define QSPI_CSPOL(n) (1 << (1 + n*8))
#define QSPI_CKPOL(n) (1 << (n*8))
@@ -52,22 +52,12 @@ DECLARE_GLOBAL_DATA_PTR;
#define MM_SWITCH 0x01
#define MEM_CS(cs) ((cs + 1) << 8)
#define MEM_CS_UNSELECT 0xfffff8ff
-#define MMAP_START_ADDR_DRA 0x5c000000
-#define MMAP_START_ADDR_AM43x 0x30000000
-#define CORE_CTRL_IO 0x4a002558
-
-#define QSPI_CMD_READ (0x3 << 0)
-#define QSPI_CMD_READ_DUAL (0x6b << 0)
-#define QSPI_CMD_READ_QUAD (0x6c << 0)
-#define QSPI_CMD_READ_FAST (0x0b << 0)
-#define QSPI_SETUP0_NUM_A_BYTES (0x3 << 8)
-#define QSPI_SETUP0_NUM_D_BYTES_NO_BITS (0x0 << 10)
-#define QSPI_SETUP0_NUM_D_BYTES_8_BITS (0x1 << 10)
+
#define QSPI_SETUP0_READ_NORMAL (0x0 << 12)
#define QSPI_SETUP0_READ_DUAL (0x1 << 12)
#define QSPI_SETUP0_READ_QUAD (0x3 << 12)
-#define QSPI_CMD_WRITE (0x12 << 16)
-#define QSPI_NUM_DUMMY_BITS (0x0 << 24)
+#define QSPI_SETUP0_ADDR_SHIFT (8)
+#define QSPI_SETUP0_DBITS_SHIFT (10)
/* ti qspi register set */
struct ti_qspi_regs {
@@ -98,13 +88,10 @@ struct ti_qspi_regs {
/* ti qspi priv */
struct ti_qspi_priv {
-#ifndef CONFIG_DM_SPI
- struct spi_slave slave;
-#else
void *memory_map;
+ size_t mmap_size;
uint max_hz;
u32 num_cs;
-#endif
struct ti_qspi_regs *base;
void *ctrl_mod_mmap;
ulong fclk;
@@ -113,8 +100,9 @@ struct ti_qspi_priv {
u32 dc;
};
-static void ti_spi_set_speed(struct ti_qspi_priv *priv, uint hz)
+static int ti_qspi_set_speed(struct udevice *bus, uint hz)
{
+ struct ti_qspi_priv *priv = dev_get_priv(bus);
uint clk_div;
if (!hz)
@@ -133,6 +121,8 @@ static void ti_spi_set_speed(struct ti_qspi_priv *priv, uint hz)
&priv->base->clk_ctrl);
/* enable SCLK and program the clk divider */
writel(QSPI_CLK_EN | clk_div, &priv->base->clk_ctrl);
+
+ return 0;
}
static void ti_qspi_cs_deactivate(struct ti_qspi_priv *priv)
@@ -142,38 +132,6 @@ static void ti_qspi_cs_deactivate(struct ti_qspi_priv *priv)
readl(&priv->base->cmd);
}
-static int __ti_qspi_set_mode(struct ti_qspi_priv *priv, unsigned int mode)
-{
- priv->dc = 0;
- if (mode & SPI_CPHA)
- priv->dc |= QSPI_CKPHA(0);
- if (mode & SPI_CPOL)
- priv->dc |= QSPI_CKPOL(0);
- if (mode & SPI_CS_HIGH)
- priv->dc |= QSPI_CSPOL(0);
-
- return 0;
-}
-
-static int __ti_qspi_claim_bus(struct ti_qspi_priv *priv, int cs)
-{
- writel(priv->dc, &priv->base->dc);
- writel(0, &priv->base->cmd);
- writel(0, &priv->base->data);
-
- priv->dc <<= cs * 8;
- writel(priv->dc, &priv->base->dc);
-
- return 0;
-}
-
-static void __ti_qspi_release_bus(struct ti_qspi_priv *priv)
-{
- writel(0, &priv->base->dc);
- writel(0, &priv->base->cmd);
- writel(0, &priv->base->data);
-}
-
static void ti_qspi_ctrl_mode_mmap(void *ctrl_mod_mmap, int cs, bool enable)
{
u32 val;
@@ -186,27 +144,25 @@ static void ti_qspi_ctrl_mode_mmap(void *ctrl_mod_mmap, int cs, bool enable)
writel(val, ctrl_mod_mmap);
}
-static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
- const void *dout, void *din, unsigned long flags,
- u32 cs)
+static int ti_qspi_xfer(struct udevice *dev, unsigned int bitlen,
+ const void *dout, void *din, unsigned long flags)
{
+ struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev);
+ struct ti_qspi_priv *priv;
+ struct udevice *bus;
uint words = bitlen >> 3; /* fixed 8-bit word length */
const uchar *txp = dout;
uchar *rxp = din;
uint status;
int timeout;
+ unsigned int cs = slave->cs;
- /* Setup mmap flags */
- if (flags & SPI_XFER_MMAP) {
- writel(MM_SWITCH, &priv->base->memswitch);
- if (priv->ctrl_mod_mmap)
- ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap, cs, true);
- return 0;
- } else if (flags & SPI_XFER_MMAP_END) {
- writel(~MM_SWITCH, &priv->base->memswitch);
- if (priv->ctrl_mod_mmap)
- ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap, cs, false);
- return 0;
+ bus = dev->parent;
+ priv = dev_get_priv(bus);
+
+ if (cs > priv->num_cs) {
+ debug("invalid qspi chip select\n");
+ return -EINVAL;
}
if (bitlen == 0)
@@ -294,9 +250,9 @@ static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
}
/* TODO: control from sf layer to here through dm-spi */
-#if defined(CONFIG_TI_EDMA3) && !defined(CONFIG_DMA)
-void spi_flash_copy_mmap(void *data, void *offset, size_t len)
+static void ti_qspi_copy_mmap(void *data, void *offset, size_t len)
{
+#if defined(CONFIG_TI_EDMA3) && !defined(CONFIG_DMA)
unsigned int addr = (unsigned int) (data);
unsigned int edma_slot_num = 1;
@@ -311,187 +267,85 @@ void spi_flash_copy_mmap(void *data, void *offset, size_t len)
/* disable edma3 clocks */
disable_edma3_clocks();
-
- *((unsigned int *)offset) += len;
-}
-#endif
-
-#ifndef CONFIG_DM_SPI
-
-static inline struct ti_qspi_priv *to_ti_qspi_priv(struct spi_slave *slave)
-{
- return container_of(slave, struct ti_qspi_priv, slave);
-}
-
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
- return 1;
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
- /* CS handled in xfer */
- return;
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
- struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
- ti_qspi_cs_deactivate(priv);
-}
-
-void spi_init(void)
-{
- /* nothing to do */
-}
-
-static void ti_spi_setup_spi_register(struct ti_qspi_priv *priv)
-{
- u32 memval = 0;
-
-#ifdef CONFIG_QSPI_QUAD_SUPPORT
- struct spi_slave *slave = &priv->slave;
- memval |= (QSPI_CMD_READ_QUAD | QSPI_SETUP0_NUM_A_BYTES |
- QSPI_SETUP0_NUM_D_BYTES_8_BITS |
- QSPI_SETUP0_READ_QUAD | QSPI_CMD_WRITE |
- QSPI_NUM_DUMMY_BITS);
- slave->mode |= SPI_RX_QUAD;
#else
- memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES |
- QSPI_SETUP0_NUM_D_BYTES_NO_BITS |
- QSPI_SETUP0_READ_NORMAL | QSPI_CMD_WRITE |
- QSPI_NUM_DUMMY_BITS;
+ memcpy_fromio(data, offset, len);
#endif
- writel(memval, &priv->base->setup0);
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct ti_qspi_priv *priv;
-
-#ifdef CONFIG_AM43XX
- gpio_request(CONFIG_QSPI_SEL_GPIO, "qspi_gpio");
- gpio_direction_output(CONFIG_QSPI_SEL_GPIO, 1);
-#endif
-
- priv = spi_alloc_slave(struct ti_qspi_priv, bus, cs);
- if (!priv) {
- printf("SPI_error: Fail to allocate ti_qspi_priv\n");
- return NULL;
- }
-
- priv->base = (struct ti_qspi_regs *)QSPI_BASE;
- priv->mode = mode;
-#if defined(CONFIG_DRA7XX)
- priv->ctrl_mod_mmap = (void *)CORE_CTRL_IO;
- priv->slave.memory_map = (void *)MMAP_START_ADDR_DRA;
- priv->fclk = QSPI_DRA7XX_FCLK;
-#else
- priv->slave.memory_map = (void *)MMAP_START_ADDR_AM43x;
- priv->fclk = QSPI_FCLK;
-#endif
-
- ti_spi_set_speed(priv, max_hz);
-
-#ifdef CONFIG_TI_SPI_MMAP
- ti_spi_setup_spi_register(priv);
-#endif
-
- return &priv->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
- free(priv);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
-
- debug("%s: bus:%i cs:%i\n", __func__, priv->slave.bus, priv->slave.cs);
- __ti_qspi_set_mode(priv, priv->mode);
- return __ti_qspi_claim_bus(priv, priv->slave.cs);
-}
-void spi_release_bus(struct spi_slave *slave)
-{
- struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
-
- debug("%s: bus:%i cs:%i\n", __func__, priv->slave.bus, priv->slave.cs);
- __ti_qspi_release_bus(priv);
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
- void *din, unsigned long flags)
-{
- struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
-
- debug("spi_xfer: bus:%i cs:%i bitlen:%i flags:%lx\n",
- priv->slave.bus, priv->slave.cs, bitlen, flags);
- return __ti_qspi_xfer(priv, bitlen, dout, din, flags, priv->slave.cs);
+ *((unsigned int *)offset) += len;
}
-#else /* CONFIG_DM_SPI */
-
-static void __ti_qspi_setup_memorymap(struct ti_qspi_priv *priv,
- struct spi_slave *slave,
- bool enable)
+static void ti_qspi_setup_mmap_read(struct ti_qspi_priv *priv, u8 opcode,
+ u8 data_nbits, u8 addr_width,
+ u8 dummy_bytes)
{
- u32 memval;
- u32 mode = slave->mode & (SPI_RX_QUAD | SPI_RX_DUAL);
-
- if (!enable) {
- writel(0, &priv->base->setup0);
- return;
- }
-
- memval = QSPI_SETUP0_NUM_A_BYTES | QSPI_CMD_WRITE | QSPI_NUM_DUMMY_BITS;
+ u32 memval = opcode;
- switch (mode) {
- case SPI_RX_QUAD:
- memval |= QSPI_CMD_READ_QUAD;
- memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
+ switch (data_nbits) {
+ case 4:
memval |= QSPI_SETUP0_READ_QUAD;
- slave->mode |= SPI_RX_QUAD;
break;
- case SPI_RX_DUAL:
- memval |= QSPI_CMD_READ_DUAL;
- memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
+ case 2:
memval |= QSPI_SETUP0_READ_DUAL;
break;
default:
- memval |= QSPI_CMD_READ;
- memval |= QSPI_SETUP0_NUM_D_BYTES_NO_BITS;
memval |= QSPI_SETUP0_READ_NORMAL;
break;
}
+ memval |= ((addr_width - 1) << QSPI_SETUP0_ADDR_SHIFT |
+ dummy_bytes << QSPI_SETUP0_DBITS_SHIFT);
+
writel(memval, &priv->base->setup0);
}
-
-static int ti_qspi_set_speed(struct udevice *bus, uint max_hz)
+static int ti_qspi_set_mode(struct udevice *bus, uint mode)
{
struct ti_qspi_priv *priv = dev_get_priv(bus);
- ti_spi_set_speed(priv, max_hz);
+ priv->dc = 0;
+ if (mode & SPI_CPHA)
+ priv->dc |= QSPI_CKPHA(0);
+ if (mode & SPI_CPOL)
+ priv->dc |= QSPI_CKPOL(0);
+ if (mode & SPI_CS_HIGH)
+ priv->dc |= QSPI_CSPOL(0);
return 0;
}
-static int ti_qspi_set_mode(struct udevice *bus, uint mode)
+static int ti_qspi_exec_mem_op(struct spi_slave *slave,
+ const struct spi_mem_op *op)
{
- struct ti_qspi_priv *priv = dev_get_priv(bus);
- return __ti_qspi_set_mode(priv, mode);
+ struct ti_qspi_priv *priv;
+ struct udevice *bus;
+
+ bus = slave->dev->parent;
+ priv = dev_get_priv(bus);
+ u32 from = 0;
+ int ret = 0;
+
+ /* Only optimize read path. */
+ if (!op->data.nbytes || op->data.dir != SPI_MEM_DATA_IN ||
+ !op->addr.nbytes || op->addr.nbytes > 4)
+ return -ENOTSUPP;
+
+ /* Address exceeds MMIO window size, fall back to regular mode. */
+ from = op->addr.val;
+ if (from + op->data.nbytes > priv->mmap_size)
+ return -ENOTSUPP;
+
+ ti_qspi_setup_mmap_read(priv, op->cmd.opcode, op->data.buswidth,
+ op->addr.nbytes, op->dummy.nbytes);
+
+ ti_qspi_copy_mmap((void *)op->data.buf.in,
+ (void *)priv->memory_map + from, op->data.nbytes);
+
+ return ret;
}
static int ti_qspi_claim_bus(struct udevice *dev)
{
struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
- struct spi_slave *slave = dev_get_parent_priv(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
@@ -503,42 +357,41 @@ static int ti_qspi_claim_bus(struct udevice *dev)
return -EINVAL;
}
- __ti_qspi_setup_memorymap(priv, slave, true);
-
- return __ti_qspi_claim_bus(priv, slave_plat->cs);
-}
-
-static int ti_qspi_release_bus(struct udevice *dev)
-{
- struct spi_slave *slave = dev_get_parent_priv(dev);
- struct ti_qspi_priv *priv;
- struct udevice *bus;
+ writel(MM_SWITCH, &priv->base->memswitch);
+ if (priv->ctrl_mod_mmap)
+ ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap,
+ slave_plat->cs, true);
- bus = dev->parent;
- priv = dev_get_priv(bus);
+ writel(priv->dc, &priv->base->dc);
+ writel(0, &priv->base->cmd);
+ writel(0, &priv->base->data);
- __ti_qspi_setup_memorymap(priv, slave, false);
- __ti_qspi_release_bus(priv);
+ priv->dc <<= slave_plat->cs * 8;
+ writel(priv->dc, &priv->base->dc);
return 0;
}
-static int ti_qspi_xfer(struct udevice *dev, unsigned int bitlen,
- const void *dout, void *din, unsigned long flags)
+static int ti_qspi_release_bus(struct udevice *dev)
{
- struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev);
+ struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
bus = dev->parent;
priv = dev_get_priv(bus);
- if (slave->cs > priv->num_cs) {
- debug("invalid qspi chip select\n");
- return -EINVAL;
- }
+ writel(~MM_SWITCH, &priv->base->memswitch);
+ if (priv->ctrl_mod_mmap)
+ ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap,
+ slave_plat->cs, false);
- return __ti_qspi_xfer(priv, bitlen, dout, din, flags, slave->cs);
+ writel(0, &priv->base->dc);
+ writel(0, &priv->base->cmd);
+ writel(0, &priv->base->data);
+ writel(0, &priv->base->setup0);
+
+ return 0;
}
static int ti_qspi_probe(struct udevice *bus)
@@ -594,12 +447,15 @@ static int ti_qspi_ofdata_to_platdata(struct udevice *bus)
struct ti_qspi_priv *priv = dev_get_priv(bus);
const void *blob = gd->fdt_blob;
int node = dev_of_offset(bus);
+ fdt_addr_t mmap_addr;
+ fdt_addr_t mmap_size;
priv->ctrl_mod_mmap = map_syscon_chipselects(bus);
priv->base = map_physmem(devfdt_get_addr(bus),
sizeof(struct ti_qspi_regs), MAP_NOCACHE);
- priv->memory_map = map_physmem(devfdt_get_addr_index(bus, 1), 0,
- MAP_NOCACHE);
+ mmap_addr = devfdt_get_addr_size_index(bus, 1, &mmap_size);
+ priv->memory_map = map_physmem(mmap_addr, mmap_size, MAP_NOCACHE);
+ priv->mmap_size = mmap_size;
priv->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", -1);
if (priv->max_hz < 0) {
@@ -614,15 +470,9 @@ static int ti_qspi_ofdata_to_platdata(struct udevice *bus)
return 0;
}
-static int ti_qspi_child_pre_probe(struct udevice *dev)
-{
- struct spi_slave *slave = dev_get_parent_priv(dev);
- struct udevice *bus = dev_get_parent(dev);
- struct ti_qspi_priv *priv = dev_get_priv(bus);
-
- slave->memory_map = priv->memory_map;
- return 0;
-}
+static const struct spi_controller_mem_ops ti_qspi_mem_ops = {
+ .exec_op = ti_qspi_exec_mem_op,
+};
static const struct dm_spi_ops ti_qspi_ops = {
.claim_bus = ti_qspi_claim_bus,
@@ -630,6 +480,7 @@ static const struct dm_spi_ops ti_qspi_ops = {
.xfer = ti_qspi_xfer,
.set_speed = ti_qspi_set_speed,
.set_mode = ti_qspi_set_mode,
+ .mem_ops = &ti_qspi_mem_ops,
};
static const struct udevice_id ti_qspi_ids[] = {
@@ -646,6 +497,4 @@ U_BOOT_DRIVER(ti_qspi) = {
.ofdata_to_platdata = ti_qspi_ofdata_to_platdata,
.priv_auto_alloc_size = sizeof(struct ti_qspi_priv),
.probe = ti_qspi_probe,
- .child_pre_probe = ti_qspi_child_pre_probe,
};
-#endif /* CONFIG_DM_SPI */
diff --git a/drivers/spi/zynqmp_gqspi.c b/drivers/spi/zynqmp_gqspi.c
index da9413c066..04ea42cbcc 100644
--- a/drivers/spi/zynqmp_gqspi.c
+++ b/drivers/spi/zynqmp_gqspi.c
@@ -267,7 +267,7 @@ void zynqmp_qspi_set_tapdelay(struct udevice *bus, u32 baudrateval)
zynqmp_mmio_read(IOU_TAPDLY_BYPASS_OFST, &tapdlybypass);
tapdlybypass |= (TAP_DLY_BYPASS_LQSPI_RX_VALUE <<
TAP_DLY_BYPASS_LQSPI_RX_SHIFT);
- } else if (reqhz < GQSPI_FREQ_100MHZ) {
+ } else if (reqhz <= GQSPI_FREQ_100MHZ) {
zynqmp_mmio_read(IOU_TAPDLY_BYPASS_OFST, &tapdlybypass);
tapdlybypass |= (TAP_DLY_BYPASS_LQSPI_RX_VALUE <<
TAP_DLY_BYPASS_LQSPI_RX_SHIFT);
@@ -277,7 +277,7 @@ void zynqmp_qspi_set_tapdelay(struct udevice *bus, u32 baudrateval)
datadlyadj |= ((GQSPI_USE_DATA_DLY << GQSPI_USE_DATA_DLY_SHIFT)
| (GQSPI_DATA_DLY_ADJ_VALUE <<
GQSPI_DATA_DLY_ADJ_SHIFT));
- } else if (reqhz < GQSPI_FREQ_150MHZ) {
+ } else if (reqhz <= GQSPI_FREQ_150MHZ) {
lpbkdlyadj = readl(&regs->lpbkdly);
lpbkdlyadj |= ((GQSPI_LPBK_DLY_ADJ_LPBK_MASK) |
GQSPI_LPBK_DLY_ADJ_DLY_0);
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-28 11:16:10 +0000