Merge tag 'xilinx-for-v2021.07-rc5' of https://source.denx.de/u-boot/…

…custodians/u-boot-microblaze

Xilinx changes for v2021.07-rc5

zynqmp:
- Fix ANALOG_BUS value after powerup
- Disable EFI_CAPSULE_ON_DISK_EARLY

zynqmp-gqspi:
- Fix write issue

arch/arm/mach-zynqmp/include/mach/hardware.h

@@ -19,6 +19,11 @@
 #define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT	0
 #define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT	8
 
+#define ZYNQMP_AMS_PS_SYSMON_BASEADDR      0XFFA50800
+#define ZYNQMP_AMS_PS_SYSMON_ANALOG_BUS ((ZYNQMP_AMS_PS_SYSMON_BASEADDR) \
+							    + 0x00000114)
+#define ZYNQMP_PS_SYSMON_ANALOG_BUS_VAL 0x00003210
+
 #define PS_MODE0	BIT(0)
 #define PS_MODE1	BIT(1)
 #define PS_MODE2	BIT(2)

board/xilinx/zynqmp/zynqmp.c

@@ -287,6 +287,17 @@ int board_early_init_f(void)
 	if (ret)
 		return ret;
 
+	/*
+	 * PS_SYSMON_ANALOG_BUS register determines mapping between SysMon
+	 * supply sense channel to SysMon supply registers inside the IP.
+	 * This register must be programmed to complete SysMon IP
+	 * configuration. The default register configuration after
+	 * power-up is incorrect. Hence, fix this by writing the
+	 * correct value - 0x3210.
+	 */
+	writel(ZYNQMP_PS_SYSMON_ANALOG_BUS_VAL,
+	       ZYNQMP_AMS_PS_SYSMON_ANALOG_BUS);
+
 	/* Delay is required for clocks to be propagated */
 	udelay(1000000);
 #endif

configs/xilinx_zynqmp_virt_defconfig

@@ -187,6 +187,5 @@ CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_EFI_SET_TIME=y
 CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
 CONFIG_EFI_CAPSULE_ON_DISK=y
-CONFIG_EFI_CAPSULE_ON_DISK_EARLY=y
 CONFIG_EFI_CAPSULE_FIRMWARE_FIT=y
 CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y

drivers/spi/zynqmp_gqspi.c

@@ -39,6 +39,7 @@
 #define GQSPI_IXR_TXFULL_MASK		0x00000008 /* QSPI TX FIFO is full */
 #define GQSPI_IXR_RXNEMTY_MASK		0x00000010 /* QSPI RX FIFO Not Empty */
 #define GQSPI_IXR_GFEMTY_MASK		0x00000080 /* QSPI Generic FIFO Empty */
+#define GQSPI_IXR_GFNFULL_MASK		0x00000200 /* QSPI GENFIFO not full */
 #define GQSPI_IXR_ALL_MASK		(GQSPI_IXR_TXNFULL_MASK | \
 					 GQSPI_IXR_RXNEMTY_MASK)
 
@@ -238,9 +239,21 @@ static void zynqmp_qspi_fill_gen_fifo(struct zynqmp_qspi_priv *priv,
 				      u32 gqspi_fifo_reg)
 {
 	struct zynqmp_qspi_regs *regs = priv->regs;
+	u32 config_reg, ier;
 	int ret = 0;
 
-	ret = wait_for_bit_le32(&regs->isr, GQSPI_IXR_GFEMTY_MASK, 1,
+	config_reg = readl(&regs->confr);
+	/* Manual start if needed */
+	config_reg |= GQSPI_STRT_GEN_FIFO;
+	writel(config_reg, &regs->confr);
+
+	/* Enable interrupts */
+	ier = readl(&regs->ier);
+	ier |= GQSPI_IXR_GFNFULL_MASK;
+	writel(ier, &regs->ier);
+
+	/* Wait until the fifo is not full to write the new command */
+	ret = wait_for_bit_le32(&regs->isr, GQSPI_IXR_GFNFULL_MASK, 1,
 				GQSPI_TIMEOUT, 1);
 	if (ret)
 		printf("%s Timeout\n", __func__);
@@ -263,6 +276,9 @@ static void zynqmp_qspi_chipselect(struct zynqmp_qspi_priv *priv, int is_on)
 
 	debug("GFIFO_CMD_CS: 0x%x\n", gqspi_fifo_reg);
 
+	/* Dummy generic FIFO entry */
+	zynqmp_qspi_fill_gen_fifo(priv, 0);
+
 	zynqmp_qspi_fill_gen_fifo(priv, gqspi_fifo_reg);
 }