Merge branch 'master' of git://git.denx.de/u-boot-socfpga

- Various stratix10, gen5 updates

arch/arm/dts/socfpga-common-u-boot.dtsi

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot additions
+ *
+ * Copyright (c) 2019 Simon Goldschmidt
+ */
+/{
+	soc {
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&rst {
+	u-boot,dm-pre-reloc;
+};
+
+&sdr {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/socfpga.dtsi

@@ -84,6 +84,7 @@
 				#dma-requests = <32>;
 				clocks = <&l4_main_clk>;
 				clock-names = "apb_pclk";
+				resets = <&rst DMA_RESET>;
 			};
 		};
 
@@ -100,6 +101,7 @@
 			reg = <0xffc00000 0x1000>;
 			interrupts = <0 131 4>, <0 132 4>, <0 133 4>, <0 134 4>;
 			clocks = <&can0_clk>;
+			resets = <&rst CAN0_RESET>;
 			status = "disabled";
 		};
 
@@ -108,6 +110,7 @@
 			reg = <0xffc01000 0x1000>;
 			interrupts = <0 135 4>, <0 136 4>, <0 137 4>, <0 138 4>;
 			clocks = <&can1_clk>;
+			resets = <&rst CAN1_RESET>;
 			status = "disabled";
 		};
 
@@ -585,6 +588,7 @@
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff708000 0x1000>;
 			clocks = <&l4_mp_clk>;
+			resets = <&rst GPIO0_RESET>;
 			status = "disabled";
 
 			porta: gpio-controller@0 {
@@ -605,6 +609,7 @@
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff709000 0x1000>;
 			clocks = <&l4_mp_clk>;
+			resets = <&rst GPIO1_RESET>;
 			status = "disabled";
 
 			portb: gpio-controller@0 {
@@ -625,6 +630,7 @@
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff70a000 0x1000>;
 			clocks = <&l4_mp_clk>;
+			resets = <&rst GPIO2_RESET>;
 			status = "disabled";
 
 			portc: gpio-controller@0 {
@@ -735,6 +741,7 @@
 			#size-cells = <0>;
 			clocks = <&l4_mp_clk>, <&sdmmc_clk_divided>;
 			clock-names = "biu", "ciu";
+			resets = <&rst SDMMC_RESET>;
 			status = "disabled";
 		};
 
@@ -746,9 +753,9 @@
 			      <0xffb80000 0x10000>;
 			reg-names = "nand_data", "denali_reg";
 			interrupts = <0x0 0x90 0x4>;
-			dma-mask = <0xffffffff>;
 			clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>;
 			clock-names = "nand", "nand_x", "ecc";
+			resets = <&rst NAND_RESET>;
 			status = "disabled";
 		};
 
@@ -768,6 +775,7 @@
 			cdns,fifo-width = <4>;
 			cdns,trigger-address = <0x00000000>;
 			clocks = <&qspi_clk>;
+			resets = <&rst QSPI_RESET>;
 			status = "disabled";
 		};
 
@@ -783,9 +791,10 @@
 			reg = <0xfffec000 0x100>;
 		};
 
-		sdr: sdr@ffc25000 {
+		sdr: sdr@ffc20000 {
 			compatible = "altr,sdr-ctl", "syscon";
-			reg = <0xffc25000 0x1000>;
+			reg = <0xffc20000 0x6000>;
+			resets = <&rst SDR_RESET>;
 		};
 
 		sdramedac {
@@ -802,6 +811,7 @@
 			interrupts = <0 154 4>;
 			num-cs = <4>;
 			clocks = <&spi_m_clk>;
+			resets = <&rst SPIM0_RESET>;
 			status = "disabled";
 		};
 
@@ -813,6 +823,7 @@
 			interrupts = <0 155 4>;
 			num-cs = <4>;
 			clocks = <&spi_m_clk>;
+			resets = <&rst SPIM1_RESET>;
 			status = "disabled";
 		};
 
@@ -879,6 +890,7 @@
 			dmas = <&pdma 28>,
 			       <&pdma 29>;
 			dma-names = "tx", "rx";
+			resets = <&rst UART0_RESET>;
 		};
 
 		uart1: serial1@ffc03000 {
@@ -891,6 +903,7 @@
 			dmas = <&pdma 30>,
 			       <&pdma 31>;
 			dma-names = "tx", "rx";
+			resets = <&rst UART1_RESET>;
 		};
 
 		usbphy0: usbphy {
@@ -930,6 +943,7 @@
 			reg = <0xffd02000 0x1000>;
 			interrupts = <0 171 4>;
 			clocks = <&osc1>;
+			resets = <&rst L4WD0_RESET>;
 			status = "disabled";
 		};
 
@@ -938,6 +952,7 @@
 			reg = <0xffd03000 0x1000>;
 			interrupts = <0 172 4>;
 			clocks = <&osc1>;
+			resets = <&rst L4WD1_RESET>;
 			status = "disabled";
 		};
 	};

arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi

@@ -6,15 +6,13 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		spi0 = "/soc/spi@ff705000";
 		udc0 = &usb1;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &watchdog0 {

arch/arm/dts/socfpga_cyclone5_dbm_soc1.dts

@@ -4,6 +4,7 @@
  */
 
 #include "socfpga_cyclone5.dtsi"
+#include "socfpga-common-u-boot.dtsi"
 
 / {
 	model = "Devboards.de DBM-SoC1";
@@ -24,10 +25,6 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000>; /* 1GB */
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &gmac1 {

arch/arm/dts/socfpga_cyclone5_de0_nano_soc-u-boot.dtsi

@@ -6,14 +6,12 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		udc0 = &usb1;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &watchdog0 {

arch/arm/dts/socfpga_cyclone5_de10_nano.dts

@@ -6,6 +6,7 @@
  */
 
 #include "socfpga_cyclone5.dtsi"
+#include "socfpga-common-u-boot.dtsi"
 
 / {
 	model = "Terasic DE10-Nano";
@@ -26,10 +27,6 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000>; /* 1GB */
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &gmac1 {

arch/arm/dts/socfpga_cyclone5_de1_soc.dts

@@ -4,6 +4,7 @@
  */
 
 #include "socfpga_cyclone5.dtsi"
+#include "socfpga-common-u-boot.dtsi"
 
 / {
 	model = "Terasic DE1-SoC";
@@ -24,10 +25,6 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000>; /* 1GB */
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &gmac1 {

arch/arm/dts/socfpga_cyclone5_is1.dts

@@ -4,6 +4,7 @@
  */
 
 #include "socfpga_cyclone5.dtsi"
+#include "socfpga-common-u-boot.dtsi"
 
 / {
 	model = "SoCFPGA Cyclone V IS1";
@@ -31,10 +32,6 @@
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &gmac1 {

arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi

@@ -6,15 +6,13 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		spi0 = "/soc/spi@ff705000";
 		udc0 = &usb1;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &can0 {

arch/arm/dts/socfpga_cyclone5_sockit-u-boot.dtsi

@@ -6,15 +6,13 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		spi0 = "/soc/spi@ff705000";
 		udc0 = &usb1;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &watchdog0 {

arch/arm/dts/socfpga_cyclone5_socrates-u-boot.dtsi

@@ -6,15 +6,13 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		spi0 = "/soc/spi@ff705000";
 		udc0 = &usb1;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &watchdog0 {

arch/arm/dts/socfpga_cyclone5_socrates.dts

@@ -76,7 +76,6 @@
 
 &qspi {
 	status = "okay";
-	u-boot,dm-pre-reloc;
 
 	flash: flash@0 {
 		#address-cells = <1>;
@@ -91,6 +90,5 @@
 		cdns,tchsh-ns = <4>;
 		cdns,tslch-ns = <4>;
 		status = "okay";
-		u-boot,dm-pre-reloc;
 	};
 };

arch/arm/dts/socfpga_cyclone5_sr1500.dts

@@ -4,6 +4,7 @@
  */
 
 #include "socfpga_cyclone5.dtsi"
+#include "socfpga-common-u-boot.dtsi"
 
 / {
 	model = "SoCFPGA Cyclone V SR1500";
@@ -27,10 +28,6 @@
 		device_type = "memory";
 		reg = <0x0 0x40000000>; /* 1GB */
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &gmac1 {

arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi

@@ -6,15 +6,13 @@
  * Copyright (c) 2018 Simon Goldschmidt
  */
 
+#include "socfpga-common-u-boot.dtsi"
+
 /{
 	aliases {
 		spi0 = "/soc/spi@ff705000";
 		udc0 = &usb0;
 	};
-
-	soc {
-		u-boot,dm-pre-reloc;
-	};
 };
 
 &watchdog0 {

arch/arm/dts/socfpga_stratix10.dtsi

@@ -237,6 +237,19 @@
 			reg = <0xffe00000 0x100000>;
 		};
 
+		qspi: spi@ff8d2000 {
+			compatible = "cdns,qspi-nor";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xff8d2000 0x100>,
+			      <0xff900000 0x100000>;
+			interrupts = <0 3 4>;
+			cdns,fifo-depth = <128>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x00000000>;
+			status = "disabled";
+		};
+
 		rst: rstmgr@ffd11000 {
 			#reset-cells = <1>;
 			compatible = "altr,rst-mgr";

arch/arm/dts/socfpga_stratix10_socdk-u-boot.dtsi

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot additions
+ *
+ * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ */
+
+/{
+	aliases {
+		spi0 = &qspi;
+	};
+};
+
+&qspi {
+	status = "okay";
+	u-boot,dm-pre-reloc;
+};
+
+&flash0 {
+	compatible = "jedec,spi-nor";
+	spi-max-frequency = <100000000>;
+	spi-tx-bus-width = <4>;
+	spi-rx-bus-width = <4>;
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/socfpga_stratix10_socdk.dts

@@ -36,7 +36,9 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0 0 0 0x80000000>; /* 2GB */
+		/* 4GB */
+		reg = <0 0x00000000 0 0x80000000>,
+		      <1 0x80000000 0 0x80000000>;
 		u-boot,dm-pre-reloc;
 	};
 };
@@ -85,6 +87,41 @@
 	smplsel = <0>;
 };
 
+&qspi {
+	flash0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q00a";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <1>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			qspi_boot: partition@0 {
+				label = "Boot and fpga data";
+				reg = <0x0 0x4000000>;
+			};
+
+			qspi_rootfs: partition@4000000 {
+				label = "Root Filesystem - JFFS2";
+				reg = <0x4000000 0x4000000>;
+			};
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };

arch/arm/mach-socfpga/include/mach/reset_manager_s10.h

@@ -9,6 +9,7 @@
 
 void reset_cpu(ulong addr);
 void reset_deassert_peripherals_handoff(void);
+int cpu_has_been_warmreset(void);
 
 void socfpga_bridges_reset(int enable);
 
@@ -47,6 +48,8 @@ struct socfpga_reset_manager {
 #define RSTMGR_MPUMODRST_CORE0		0
 #define RSTMGR_PER0MODRST_OCP_MASK	0x0020bf00
 #define RSTMGR_BRGMODRST_DDRSCH_MASK	0X00000040
+/* Watchdogs and MPU warm reset mask */
+#define RSTMGR_L4WD_MPU_WARMRESET_MASK	0x000F0F00
 
 /*
  * Define a reset identifier, from which a permodrst bank ID

arch/arm/mach-socfpga/include/mach/sdram_gen5.h

@@ -7,10 +7,6 @@
 
 #ifndef __ASSEMBLY__
 
-unsigned long sdram_calculate_size(void);
-int sdram_mmr_init_full(unsigned int sdr_phy_reg);
-int sdram_calibration_full(void);
-
 const struct socfpga_sdram_config *socfpga_get_sdram_config(void);
 
 void socfpga_get_seq_ac_init(const u32 **init, unsigned int *nelem);

arch/arm/mach-socfpga/include/mach/sdram_s10.h

@@ -22,6 +22,7 @@ int sdram_calibration_full(void);
 #define ECCCTRL1			0x100
 #define ECCCTRL2			0x104
 #define ERRINTEN			0x110
+#define ERRINTENS			0x114
 #define INTMODE				0x11c
 #define INTSTAT				0x120
 #define AUTOWB_CORRADDR			0x138
@@ -52,6 +53,10 @@ int sdram_calibration_full(void);
 #define DDR_HMC_SEQ2CORE_INT_RESP_MASK		BIT(3)
 #define DDR_HMC_HPSINTFCSEL_ENABLE_MASK		0x001f1f1f
 
+#define	DDR_HMC_ERRINTEN_INTMASK				\
+		(DDR_HMC_ERRINTEN_SERRINTEN_EN_SET_MSK |	\
+		 DDR_HMC_ERRINTEN_DERRINTEN_EN_SET_MSK)
+
 /* NOC DDR scheduler */
 #define DDR_SCH_ID_COREID		0
 #define DDR_SCH_ID_REVID		0x4
@@ -180,4 +185,8 @@ int sdram_calibration_full(void);
 #define CALTIMING9_CFG_4_ACT_TO_ACT(x)			\
 	(((x) >> 0) & 0xFF)
 
+/* Firewall DDR scheduler MPFE */
+#define FW_HMC_ADAPTOR_REG_ADDR			0xf8020004
+#define FW_HMC_ADAPTOR_MPU_MASK			BIT(0)
+
 #endif /* _SDRAM_S10_H_ */

arch/arm/mach-socfpga/misc_gen5.c

@@ -201,16 +201,6 @@ int arch_early_init_r(void)
 	/* Add device descriptor to FPGA device table */
 	socfpga_fpga_add(&altera_fpga[0]);
 
-#ifdef CONFIG_DESIGNWARE_SPI
-	/* Get Designware SPI controller out of reset */
-	socfpga_per_reset(SOCFPGA_RESET(SPIM0), 0);
-	socfpga_per_reset(SOCFPGA_RESET(SPIM1), 0);
-#endif
-
-#ifdef CONFIG_NAND_DENALI
-	socfpga_per_reset(SOCFPGA_RESET(NAND), 0);
-#endif
-
 	return 0;
 }
 

arch/arm/mach-socfpga/reset_manager_s10.c

@@ -103,3 +103,12 @@ void reset_deassert_peripherals_handoff(void)
 	writel(~RSTMGR_PER0MODRST_OCP_MASK, &reset_manager_base->per0modrst);
 	writel(0, &reset_manager_base->per0modrst);
 }
+
+/*
+ * Return non-zero if the CPU has been warm reset
+ */
+int cpu_has_been_warmreset(void)
+{
+	return readl(&reset_manager_base->status) &
+		RSTMGR_L4WD_MPU_WARMRESET_MASK;
+}

arch/arm/mach-socfpga/spl_gen5.c

@@ -21,6 +21,7 @@
 #include <debug_uart.h>
 #include <fdtdec.h>
 #include <watchdog.h>
+#include <dm/uclass.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -38,16 +39,12 @@ u32 spl_boot_device(void)
 		return BOOT_DEVICE_RAM;
 	case 0x2:	/* NAND Flash (1.8V) */
 	case 0x3:	/* NAND Flash (3.0V) */
-		socfpga_per_reset(SOCFPGA_RESET(NAND), 0);
 		return BOOT_DEVICE_NAND;
 	case 0x4:	/* SD/MMC External Transceiver (1.8V) */
 	case 0x5:	/* SD/MMC Internal Transceiver (3.0V) */
-		socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0);
-		socfpga_per_reset(SOCFPGA_RESET(DMA), 0);
 		return BOOT_DEVICE_MMC1;
 	case 0x6:	/* QSPI Flash (1.8V) */
 	case 0x7:	/* QSPI Flash (3.0V) */
-		socfpga_per_reset(SOCFPGA_RESET(QSPI), 0);
 		return BOOT_DEVICE_SPI;
 	default:
 		printf("Invalid boot device (bsel=%08x)!\n", bsel);
@@ -123,9 +120,9 @@ static void socfpga_pl310_clear(void)
 void board_init_f(ulong dummy)
 {
 	const struct cm_config *cm_default_cfg = cm_get_default_config();
-	unsigned long sdram_size;
 	unsigned long reg;
 	int ret;
+	struct udevice *dev;
 
 	/*
 	 * First C code to run. Clear fake OCRAM ECC first as SBE
@@ -156,10 +153,7 @@ void board_init_f(ulong dummy)
 		socfpga_bridges_reset(1);
 	}
 
-	socfpga_per_reset(SOCFPGA_RESET(SDR), 0);
-	socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
 	socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0);
-
 	timer_init();
 
 	debug("Reconfigure Clock Manager\n");
@@ -181,8 +175,7 @@ void board_init_f(ulong dummy)
 	sysmgr_pinmux_init();
 	sysmgr_config_warmrstcfgio(0);
 
-	/* De-assert reset for peripherals and bridges based on handoff */
+	/* De-assert reset for bridges based on handoff */
-	reset_deassert_peripherals_handoff();
 	socfpga_bridges_reset(0);
 
 	debug("Unfreezing/Thaw all I/O banks\n");
@@ -200,27 +193,16 @@ void board_init_f(ulong dummy)
 		hang();
 	}
 
+	ret = uclass_get_device(UCLASS_RESET, 0, &dev);
+	if (ret)
+		debug("Reset init failed: %d\n", ret);
+
 	/* enable console uart printing */
 	preloader_console_init();
 
-	if (sdram_mmr_init_full(0xffffffff) != 0) {
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
-		puts("SDRAM init failed.\n");
+	if (ret) {
-		hang();
+		debug("DRAM init failed: %d\n", ret);
-	}
-
-	debug("SDRAM: Calibrating PHY\n");
-	/* SDRAM calibration */
-	if (sdram_calibration_full() == 0) {
-		puts("SDRAM calibration failed.\n");
-		hang();
-	}
-
-	sdram_size = sdram_calculate_size();
-	debug("SDRAM: %ld MiB\n", sdram_size >> 20);
-
-	/* Sanity check ensure correct SDRAM size specified */
-	if (get_ram_size(0, sdram_size) != sdram_size) {
-		puts("SDRAM size check failed!\n");
 		hang();
 	}
 

arch/arm/mach-socfpga/spl_s10.c

@@ -181,17 +181,6 @@ void board_init_f(ulong dummy)
 		hang();
 	}
 
-	gd->ram_size = sdram_calculate_size();
-	printf("DDR: %d MiB\n", (int)(gd->ram_size >> 20));
-
-	/* Sanity check ensure correct SDRAM size specified */
-	debug("DDR: Running SDRAM size sanity check\n");
-	if (get_ram_size(0, gd->ram_size) != gd->ram_size) {
-		puts("DDR: SDRAM size check failed!\n");
-		hang();
-	}
-	debug("DDR: SDRAM size check passed!\n");
-
 	mbox_init();
 
 #ifdef CONFIG_CADENCE_QSPI

configs/socfpga_stratix10_defconfig

@@ -6,7 +6,7 @@ CONFIG_TARGET_SOCFPGA_STRATIX10_SOCDK=y
 CONFIG_SPL=y
 CONFIG_IDENT_STRING="socfpga_stratix10"
 CONFIG_SPL_FS_FAT=y
-CONFIG_NR_DRAM_BANKS=1
+CONFIG_NR_DRAM_BANKS=2
 CONFIG_BOOTDELAY=5
 CONFIG_SPL_SPI_LOAD=y
 CONFIG_HUSH_PARSER=y

drivers/ddr/altera/Kconfig

@@ -1,5 +1,7 @@
 config ALTERA_SDRAM
 	bool "SoCFPGA DDR SDRAM driver"
 	depends on TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
+	select RAM if TARGET_SOCFPGA_GEN5
+	select SPL_RAM if TARGET_SOCFPGA_GEN5
 	help
 	  Enable DDR SDRAM controller for the SoCFPGA devices.

drivers/ddr/altera/sdram_gen5.c

@@ -3,14 +3,30 @@
  * Copyright Altera Corporation (C) 2014-2015
  */
 #include <common.h>
+#include <dm.h>
 #include <errno.h>
 #include <div64.h>
+#include <ram.h>
+#include <reset.h>
 #include <watchdog.h>
 #include <asm/arch/fpga_manager.h>
+#include <asm/arch/reset_manager.h>
 #include <asm/arch/sdram.h>
 #include <asm/arch/system_manager.h>
 #include <asm/io.h>
 
+#include "sequencer.h"
+
+#ifdef CONFIG_SPL_BUILD
+
+struct altera_gen5_sdram_priv {
+	struct ram_info info;
+};
+
+struct altera_gen5_sdram_platdata {
+	struct socfpga_sdr *sdr;
+};
+
 struct sdram_prot_rule {
 	u32	sdram_start;	/* SDRAM start address */
 	u32	sdram_end;	/* SDRAM end address */
@@ -26,8 +42,8 @@ struct sdram_prot_rule {
 
 static struct socfpga_system_manager *sysmgr_regs =
 	(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
-static struct socfpga_sdr_ctrl *sdr_ctrl =
+
-	(struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS;
+static unsigned long sdram_calculate_size(struct socfpga_sdr_ctrl *sdr_ctrl);
 
 /**
  * get_errata_rows() - Up the number of DRAM rows to cover entire address space
@@ -104,7 +120,8 @@ static int get_errata_rows(const struct socfpga_sdram_config *cfg)
 }
 
 /* SDRAM protection rules vary from 0-19, a total of 20 rules. */
-static void sdram_set_rule(struct sdram_prot_rule *prule)
+static void sdram_set_rule(struct socfpga_sdr_ctrl *sdr_ctrl,
+			   struct sdram_prot_rule *prule)
 {
 	u32 lo_addr_bits;
 	u32 hi_addr_bits;
@@ -141,7 +158,8 @@ static void sdram_set_rule(struct sdram_prot_rule *prule)
 	writel(0, &sdr_ctrl->prot_rule_rdwr);
 }
 
-static void sdram_get_rule(struct sdram_prot_rule *prule)
+static void sdram_get_rule(struct socfpga_sdr_ctrl *sdr_ctrl,
+			   struct sdram_prot_rule *prule)
 {
 	u32 addr;
 	u32 id;
@@ -172,7 +190,8 @@ static void sdram_get_rule(struct sdram_prot_rule *prule)
 }
 
 static void
-sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
+sdram_set_protection_config(struct socfpga_sdr_ctrl *sdr_ctrl,
+			    const u32 sdram_start, const u32 sdram_end)
 {
 	struct sdram_prot_rule rule;
 	int rules;
@@ -185,7 +204,7 @@ sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
 
 	for (rules = 0; rules < 20; rules++) {
 		rule.rule = rules;
-		sdram_set_rule(&rule);
+		sdram_set_rule(sdr_ctrl, &rule);
 	}
 
 	/* new rule: accept SDRAM */
@@ -200,13 +219,13 @@ sdram_set_protection_config(const u32 sdram_start, const u32 sdram_end)
 	rule.rule = 0;
 
 	/* set new rule */
-	sdram_set_rule(&rule);
+	sdram_set_rule(sdr_ctrl, &rule);
 
 	/* default rule: reject everything */
 	writel(0x3ff, &sdr_ctrl->protport_default);
 }
 
-static void sdram_dump_protection_config(void)
+static void sdram_dump_protection_config(struct socfpga_sdr_ctrl *sdr_ctrl)
 {
 	struct sdram_prot_rule rule;
 	int rules;
@@ -216,7 +235,7 @@ static void sdram_dump_protection_config(void)
 
 	for (rules = 0; rules < 20; rules++) {
 		rule.rule = rules;
-		sdram_get_rule(&rule);
+		sdram_get_rule(sdr_ctrl, &rule);
 		debug("Rule %d, rules ...\n", rules);
 		debug("    sdram start %x\n", rule.sdram_start);
 		debug("    sdram end   %x\n", rule.sdram_end);
@@ -322,7 +341,8 @@ static u32 sdr_get_addr_rw(const struct socfpga_sdram_config *cfg)
  *
  * This function loads the register values into the SDRAM controller block.
  */
-static void sdr_load_regs(const struct socfpga_sdram_config *cfg)
+static void sdr_load_regs(struct socfpga_sdr_ctrl *sdr_ctrl,
+			  const struct socfpga_sdram_config *cfg)
 {
 	const u32 ctrl_cfg = sdr_get_ctrlcfg(cfg);
 	const u32 dram_addrw = sdr_get_addr_rw(cfg);
@@ -426,7 +446,8 @@ static void sdr_load_regs(const struct socfpga_sdram_config *cfg)
  *
  * Initialize the SDRAM MMR.
  */
-int sdram_mmr_init_full(unsigned int sdr_phy_reg)
+int sdram_mmr_init_full(struct socfpga_sdr_ctrl *sdr_ctrl,
+			unsigned int sdr_phy_reg)
 {
 	const struct socfpga_sdram_config *cfg = socfpga_get_sdram_config();
 	const unsigned int rows =
@@ -436,7 +457,7 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
 
 	writel(rows, &sysmgr_regs->iswgrp_handoff[4]);
 
-	sdr_load_regs(cfg);
+	sdr_load_regs(sdr_ctrl, cfg);
 
 	/* saving this value to SYSMGR.ISWGRP.HANDOFF.FPGA2SDR */
 	writel(cfg->fpgaport_rst, &sysmgr_regs->iswgrp_handoff[3]);
@@ -459,9 +480,10 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
 			SDR_CTRLGRP_STATICCFG_APPLYCFG_MASK,
 			1 << SDR_CTRLGRP_STATICCFG_APPLYCFG_LSB);
 
-	sdram_set_protection_config(0, sdram_calculate_size() - 1);
+	sdram_set_protection_config(sdr_ctrl, 0,
+				    sdram_calculate_size(sdr_ctrl) - 1);
 
-	sdram_dump_protection_config();
+	sdram_dump_protection_config(sdr_ctrl);
 
 	return 0;
 }
@@ -472,7 +494,7 @@ int sdram_mmr_init_full(unsigned int sdr_phy_reg)
  * Calculate SDRAM device size based on SDRAM controller parameters.
  * Size is specified in bytes.
  */
-unsigned long sdram_calculate_size(void)
+static unsigned long sdram_calculate_size(struct socfpga_sdr_ctrl *sdr_ctrl)
 {
 	unsigned long temp;
 	unsigned long row, bank, col, cs, width;
@@ -534,3 +556,94 @@ unsigned long sdram_calculate_size(void)
 
 	return temp;
 }
+
+static int altera_gen5_sdram_ofdata_to_platdata(struct udevice *dev)
+{
+	struct altera_gen5_sdram_platdata *plat = dev->platdata;
+
+	plat->sdr = (struct socfpga_sdr *)devfdt_get_addr_index(dev, 0);
+	if (!plat->sdr)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int altera_gen5_sdram_probe(struct udevice *dev)
+{
+	int ret;
+	unsigned long sdram_size;
+	struct altera_gen5_sdram_platdata *plat = dev->platdata;
+	struct altera_gen5_sdram_priv *priv = dev_get_priv(dev);
+	struct socfpga_sdr_ctrl *sdr_ctrl = &plat->sdr->sdr_ctrl;
+	struct reset_ctl_bulk resets;
+
+	ret = reset_get_bulk(dev, &resets);
+	if (ret) {
+		dev_err(dev, "Can't get reset: %d\n", ret);
+		return -ENODEV;
+	}
+	reset_deassert_bulk(&resets);
+
+	if (sdram_mmr_init_full(sdr_ctrl, 0xffffffff) != 0) {
+		puts("SDRAM init failed.\n");
+		goto failed;
+	}
+
+	debug("SDRAM: Calibrating PHY\n");
+	/* SDRAM calibration */
+	if (sdram_calibration_full(plat->sdr) == 0) {
+		puts("SDRAM calibration failed.\n");
+		goto failed;
+	}
+
+	sdram_size = sdram_calculate_size(sdr_ctrl);
+	debug("SDRAM: %ld MiB\n", sdram_size >> 20);
+
+	/* Sanity check ensure correct SDRAM size specified */
+	if (get_ram_size(0, sdram_size) != sdram_size) {
+		puts("SDRAM size check failed!\n");
+		goto failed;
+	}
+
+	priv->info.base = 0;
+	priv->info.size = sdram_size;
+
+	return 0;
+
+failed:
+	reset_release_bulk(&resets);
+	return -ENODEV;
+}
+
+static int altera_gen5_sdram_get_info(struct udevice *dev,
+				      struct ram_info *info)
+{
+	struct altera_gen5_sdram_priv *priv = dev_get_priv(dev);
+
+	info->base = priv->info.base;
+	info->size = priv->info.size;
+
+	return 0;
+}
+
+static struct ram_ops altera_gen5_sdram_ops = {
+	.get_info = altera_gen5_sdram_get_info,
+};
+
+static const struct udevice_id altera_gen5_sdram_ids[] = {
+	{ .compatible = "altr,sdr-ctl" },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(altera_gen5_sdram) = {
+	.name = "altr_sdr_ctl",
+	.id = UCLASS_RAM,
+	.of_match = altera_gen5_sdram_ids,
+	.ops = &altera_gen5_sdram_ops,
+	.ofdata_to_platdata = altera_gen5_sdram_ofdata_to_platdata,
+	.platdata_auto_alloc_size = sizeof(struct altera_gen5_sdram_platdata),
+	.probe = altera_gen5_sdram_probe,
+	.priv_auto_alloc_size = sizeof(struct altera_gen5_sdram_priv),
+};
+
+#endif /* CONFIG_SPL_BUILD */

drivers/ddr/altera/sdram_s10.c

@@ -7,12 +7,14 @@
 #include <common.h>
 #include <errno.h>
 #include <div64.h>
+#include <fdtdec.h>
 #include <asm/io.h>
 #include <wait_bit.h>
 #include <asm/arch/firewall_s10.h>
 #include <asm/arch/sdram_s10.h>
 #include <asm/arch/system_manager.h>
 #include <asm/arch/reset_manager.h>
+#include <linux/sizes.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -21,6 +23,8 @@ static const struct socfpga_system_manager *sysmgr_regs =
 
 #define DDR_CONFIG(A, B, C, R)	(((A) << 24) | ((B) << 16) | ((C) << 8) | (R))
 
+#define PGTABLE_OFF	0x4000
+
 /* The followring are the supported configurations */
 u32 ddr_config[] = {
 	/* DDR_CONFIG(Address order,Bank,Column,Row) */
@@ -134,6 +138,108 @@ static int poll_hmc_clock_status(void)
 				 SYSMGR_HMC_CLK_STATUS_MSK, true, 1000, false);
 }
 
+static void sdram_clear_mem(phys_addr_t addr, phys_size_t size)
+{
+	phys_size_t i;
+
+	if (addr % CONFIG_SYS_CACHELINE_SIZE) {
+		printf("DDR: address 0x%llx is not cacheline size aligned.\n",
+		       addr);
+		hang();
+	}
+
+	if (size % CONFIG_SYS_CACHELINE_SIZE) {
+		printf("DDR: size 0x%llx is not multiple of cacheline size\n",
+		       size);
+		hang();
+	}
+
+	/* Use DC ZVA instruction to clear memory to zeros by a cache line */
+	for (i = 0; i < size; i = i + CONFIG_SYS_CACHELINE_SIZE) {
+		asm volatile("dc zva, %0"
+		     :
+		     : "r"(addr)
+		     : "memory");
+		addr += CONFIG_SYS_CACHELINE_SIZE;
+	}
+}
+
+static void sdram_init_ecc_bits(bd_t *bd)
+{
+	phys_size_t size, size_init;
+	phys_addr_t start_addr;
+	int bank = 0;
+	unsigned int start = get_timer(0);
+
+	icache_enable();
+
+	start_addr = bd->bi_dram[0].start;
+	size = bd->bi_dram[0].size;
+
+	/* Initialize small block for page table */
+	memset((void *)start_addr, 0, PGTABLE_SIZE + PGTABLE_OFF);
+	gd->arch.tlb_addr = start_addr + PGTABLE_OFF;
+	gd->arch.tlb_size = PGTABLE_SIZE;
+	start_addr += PGTABLE_SIZE + PGTABLE_OFF;
+	size -= (PGTABLE_OFF + PGTABLE_SIZE);
+	dcache_enable();
+
+	while (1) {
+		while (size) {
+			size_init = min((phys_addr_t)SZ_1G, (phys_addr_t)size);
+			sdram_clear_mem(start_addr, size_init);
+			size -= size_init;
+			start_addr += size_init;
+			WATCHDOG_RESET();
+		}
+
+		bank++;
+		if (bank >= CONFIG_NR_DRAM_BANKS)
+			break;
+
+		start_addr = bd->bi_dram[bank].start;
+		size = bd->bi_dram[bank].size;
+	}
+
+	dcache_disable();
+	icache_disable();
+
+	printf("SDRAM-ECC: Initialized success with %d ms\n",
+	       (unsigned int)get_timer(start));
+}
+
+static void sdram_size_check(bd_t *bd)
+{
+	phys_size_t total_ram_check = 0;
+	phys_size_t ram_check = 0;
+	phys_addr_t start = 0;
+	int bank;
+
+	/* Sanity check ensure correct SDRAM size specified */
+	debug("DDR: Running SDRAM size sanity check\n");
+
+	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+		start = bd->bi_dram[bank].start;
+		while (ram_check < bd->bi_dram[bank].size) {
+			ram_check += get_ram_size((void *)(start + ram_check),
+						 (phys_size_t)SZ_1G);
+		}
+		total_ram_check += ram_check;
+		ram_check = 0;
+	}
+
+	/* If the ram_size is 2GB smaller, we can assume the IO space is
+	 * not mapped in.  gd->ram_size is the actual size of the dram
+	 * not the accessible size.
+	 */
+	if (total_ram_check != gd->ram_size) {
+		puts("DDR: SDRAM size check failed!\n");
+		hang();
+	}
+
+	debug("DDR: SDRAM size check passed!\n");
+}
+
 /**
  * sdram_mmr_init_full() - Function to initialize SDRAM MMR
  *
@@ -144,6 +250,8 @@ int sdram_mmr_init_full(unsigned int unused)
 	u32 update_value, io48_value, ddrioctl;
 	u32 i;
 	int ret;
+	phys_size_t hw_size;
+	bd_t bd = {0};
 
 	/* Enable access to DDR from CPU master */
 	clrbits_le32(CCU_REG_ADDR(CCU_CPU0_MPRT_ADBASE_DDRREG),
@@ -335,9 +443,22 @@ int sdram_mmr_init_full(unsigned int unused)
 	unsigned long long size = sdram_calculate_size();
 	/* If the size is invalid, use default Config size */
 	if (size <= 0)
-		gd->ram_size = PHYS_SDRAM_1_SIZE;
+		hw_size = PHYS_SDRAM_1_SIZE;
 	else
-		gd->ram_size = size;
+		hw_size = size;
+
+	/* Get bank configuration from devicetree */
+	ret = fdtdec_decode_ram_size(gd->fdt_blob, NULL, 0, NULL,
+				     (phys_size_t *)&gd->ram_size, &bd);
+	if (ret) {
+		puts("DDR: Failed to decode memory node\n");
+		return -1;
+	}
+
+	if (gd->ram_size != hw_size)
+		printf("DDR: Warning: DRAM size from device tree mismatch with hardware.\n");
+
+	printf("DDR: %lld MiB\n", gd->ram_size >> 20);
 
 	/* Enable or disable the SDRAM ECC */
 	if (CTRLCFG1_CFG_CTRL_EN_ECC(ctrlcfg1)) {
@@ -351,6 +472,15 @@ int sdram_mmr_init_full(unsigned int unused)
 		setbits_le32(SOCFPGA_SDR_ADDRESS + ECCCTRL2,
 			     (DDR_HMC_ECCCTL2_RMW_EN_SET_MSK |
 			      DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
+		writel(DDR_HMC_ERRINTEN_INTMASK,
+		       SOCFPGA_SDR_ADDRESS + ERRINTENS);
+
+		/* Enable non-secure writes to HMC Adapter for SDRAM ECC */
+		writel(FW_HMC_ADAPTOR_MPU_MASK, FW_HMC_ADAPTOR_REG_ADDR);
+
+		/* Initialize memory content if not from warm reset */
+		if (!cpu_has_been_warmreset())
+			sdram_init_ecc_bits(&bd);
 	} else {
 		clrbits_le32(SOCFPGA_SDR_ADDRESS + ECCCTRL1,
 			     (DDR_HMC_ECCCTL_AWB_CNT_RST_SET_MSK |
@@ -361,6 +491,8 @@ int sdram_mmr_init_full(unsigned int unused)
 			      DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
 	}
 
+	sdram_size_check(&bd);
+
 	debug("DDR: HMC init success\n");
 	return 0;
 }

drivers/ddr/altera/sequencer.c

@@ -3705,12 +3705,19 @@ static void initialize_tracking(void)
 	       &sdr_reg_file->trk_rfsh);
 }
 
-int sdram_calibration_full(void)
+int sdram_calibration_full(struct socfpga_sdr *sdr)
 {
 	struct param_type my_param;
 	struct gbl_type my_gbl;
 	u32 pass;
 
+	/*
+	 * For size reasons, this file uses hard coded addresses.
+	 * Check if we are called with the correct address.
+	 */
+	if (sdr != (struct socfpga_sdr *)SOCFPGA_SDR_ADDRESS)
+		return -ENODEV;
+
 	memset(&my_param, 0, sizeof(my_param));
 	memset(&my_gbl, 0, sizeof(my_gbl));
 

drivers/ddr/altera/sequencer.h

@@ -223,4 +223,39 @@ struct socfpga_data_mgr {
 	u32	mem_t_add;
 	u32	t_rl_add;
 };
+
+/* This struct describes the controller @ SOCFPGA_SDR_ADDRESS */
+struct socfpga_sdr {
+	/* SDR_PHYGRP_SCCGRP_ADDRESS */
+	u8 _align1[0xe00];
+	/* SDR_PHYGRP_SCCGRP_ADDRESS | 0xe00 */
+	struct socfpga_sdr_scc_mgr sdr_scc_mgr;
+	u8 _align2[0x1bc];
+	/* SDR_PHYGRP_PHYMGRGRP_ADDRESS */
+	struct socfpga_phy_mgr_cmd phy_mgr_cmd;
+	u8 _align3[0x2c];
+	/* SDR_PHYGRP_PHYMGRGRP_ADDRESS | 0x40 */
+	struct socfpga_phy_mgr_cfg phy_mgr_cfg;
+	u8 _align4[0xfa0];
+	/* SDR_PHYGRP_RWMGRGRP_ADDRESS */
+	u8 rwmgr_grp[0x800];
+	/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0x800 */
+	struct socfpga_sdr_rw_load_manager sdr_rw_load_mgr_regs;
+	u8 _align5[0x3f0];
+	/* SDR_PHYGRP_RWMGRGRP_ADDRESS | 0xC00 */
+	struct socfpga_sdr_rw_load_jump_manager sdr_rw_load_jump_mgr_regs;
+	u8 _align6[0x13f0];
+	/* SDR_PHYGRP_DATAMGRGRP_ADDRESS */
+	struct socfpga_data_mgr data_mgr;
+	u8 _align7[0x7f0];
+	/* SDR_PHYGRP_REGFILEGRP_ADDRESS */
+	struct socfpga_sdr_reg_file sdr_reg_file;
+	u8 _align8[0x7c8];
+	/* SDR_CTRLGRP_ADDRESS */
+	struct socfpga_sdr_ctrl sdr_ctrl;
+	u8 _align9[0xea4];
+};
+
+int sdram_calibration_full(struct socfpga_sdr *sdr);
+
 #endif /* _SEQUENCER_H_ */

drivers/mtd/nand/raw/denali.h

@@ -10,6 +10,7 @@
 #include <linux/bitops.h>
 #include <linux/mtd/rawnand.h>
 #include <linux/types.h>
+#include <reset.h>
 
 #define DEVICE_RESET				0x0
 #define     DEVICE_RESET__BANK(bank)			BIT(bank)
@@ -315,6 +316,7 @@ struct denali_nand_info {
 	void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data);
 	void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr,
 			  int page, int write);
+	struct reset_ctl_bulk resets;
 };
 
 #define DENALI_CAP_HW_ECC_FIXUP			BIT(0)

drivers/mtd/nand/raw/denali_dt.c

@@ -131,15 +131,30 @@ static int denali_dt_probe(struct udevice *dev)
 		denali->clk_x_rate = 200000000;
 	}
 
+	ret = reset_get_bulk(dev, &denali->resets);
+	if (ret)
+		dev_warn(dev, "Can't get reset: %d\n", ret);
+	else
+		reset_deassert_bulk(&denali->resets);
+
 	return denali_init(denali);
 }
 
+static int denali_dt_remove(struct udevice *dev)
+{
+	struct denali_nand_info *denali = dev_get_priv(dev);
+
+	return reset_release_bulk(&denali->resets);
+}
+
 U_BOOT_DRIVER(denali_nand_dt) = {
 	.name = "denali-nand-dt",
 	.id = UCLASS_MISC,
 	.of_match = denali_nand_dt_ids,
 	.probe = denali_dt_probe,
 	.priv_auto_alloc_size = sizeof(struct denali_nand_info),
+	.remove = denali_dt_remove,
+	.flags = DM_FLAG_OS_PREPARE,
 };
 
 void board_nand_init(void)

drivers/reset/reset-socfpga.c

@@ -24,9 +24,39 @@
 #define NR_BANKS		8
 
 struct socfpga_reset_data {
-	void __iomem *membase;
+	void __iomem *modrst_base;
 };
 
+/*
+ * For compatibility with Kernels that don't support peripheral reset, this
+ * driver can keep the old behaviour of not asserting peripheral reset before
+ * starting the OS and deasserting all peripheral resets (enabling all
+ * peripherals).
+ *
+ * For that, the reset driver checks the environment variable
+ * "socfpga_legacy_reset_compat". If this variable is '1', perihperals are not
+ * reset again once taken out of reset and all peripherals in 'permodrst' are
+ * taken out of reset before booting into the OS.
+ * Note that this should be required for gen5 systems only that are running
+ * Linux kernels without proper peripheral reset support for all drivers used.
+ */
+static bool socfpga_reset_keep_enabled(void)
+{
+#if !defined(CONFIG_SPL_BUILD) || CONFIG_IS_ENABLED(ENV_SUPPORT)
+	const char *env_str;
+	long val;
+
+	env_str = env_get("socfpga_legacy_reset_compat");
+	if (env_str) {
+		val = simple_strtol(env_str, NULL, 0);
+		if (val == 1)
+			return true;
+	}
+#endif
+
+	return false;
+}
+
 static int socfpga_reset_assert(struct reset_ctl *reset_ctl)
 {
 	struct socfpga_reset_data *data = dev_get_priv(reset_ctl->dev);
@@ -35,7 +65,7 @@ static int socfpga_reset_assert(struct reset_ctl *reset_ctl)
 	int bank = id / (reg_width * BITS_PER_BYTE);
 	int offset = id % (reg_width * BITS_PER_BYTE);
 
-	setbits_le32(data->membase + (bank * BANK_INCREMENT), BIT(offset));
+	setbits_le32(data->modrst_base + (bank * BANK_INCREMENT), BIT(offset));
 	return 0;
 }
 
@@ -47,7 +77,7 @@ static int socfpga_reset_deassert(struct reset_ctl *reset_ctl)
 	int bank = id / (reg_width * BITS_PER_BYTE);
 	int offset = id % (reg_width * BITS_PER_BYTE);
 
-	clrbits_le32(data->membase + (bank * BANK_INCREMENT), BIT(offset));
+	clrbits_le32(data->modrst_base + (bank * BANK_INCREMENT), BIT(offset));
 	return 0;
 }
 
@@ -80,11 +110,24 @@ static int socfpga_reset_probe(struct udevice *dev)
 	const void *blob = gd->fdt_blob;
 	int node = dev_of_offset(dev);
 	u32 modrst_offset;
+	void __iomem *membase;
 
-	data->membase = devfdt_get_addr_ptr(dev);
+	membase = devfdt_get_addr_ptr(dev);
 
 	modrst_offset = fdtdec_get_int(blob, node, "altr,modrst-offset", 0x10);
-	data->membase += modrst_offset;
+	data->modrst_base = membase + modrst_offset;
+
+	return 0;
+}
+
+static int socfpga_reset_remove(struct udevice *dev)
+{
+	struct socfpga_reset_data *data = dev_get_priv(dev);
+
+	if (socfpga_reset_keep_enabled()) {
+		puts("Deasserting all peripheral resets\n");
+		writel(0, data->modrst_base + 4);
+	}
 
 	return 0;
 }
@@ -101,4 +144,6 @@ U_BOOT_DRIVER(socfpga_reset) = {
 	.probe = socfpga_reset_probe,
 	.priv_auto_alloc_size = sizeof(struct socfpga_reset_data),
 	.ops = &socfpga_reset_ops,
+	.remove = socfpga_reset_remove,
+	.flags	= DM_FLAG_OS_PREPARE,
 };

drivers/spi/cadence_qspi.c

@@ -8,6 +8,7 @@
 #include <dm.h>
 #include <fdtdec.h>
 #include <malloc.h>
+#include <reset.h>
 #include <spi.h>
 #include <linux/errno.h>
 #include "cadence_qspi.h"
@@ -154,10 +155,17 @@ static int cadence_spi_probe(struct udevice *bus)
 {
 	struct cadence_spi_platdata *plat = bus->platdata;
 	struct cadence_spi_priv *priv = dev_get_priv(bus);
+	int ret;
 
 	priv->regbase = plat->regbase;
 	priv->ahbbase = plat->ahbbase;
 
+	ret = reset_get_bulk(bus, &priv->resets);
+	if (ret)
+		dev_warn(bus, "Can't get reset: %d\n", ret);
+	else
+		reset_deassert_bulk(&priv->resets);
+
 	if (!priv->qspi_is_init) {
 		cadence_qspi_apb_controller_init(plat);
 		priv->qspi_is_init = 1;
@@ -166,6 +174,13 @@ static int cadence_spi_probe(struct udevice *bus)
 	return 0;
 }
 
+static int cadence_spi_remove(struct udevice *dev)
+{
+	struct cadence_spi_priv *priv = dev_get_priv(dev);
+
+	return reset_release_bulk(&priv->resets);
+}
+
 static int cadence_spi_set_mode(struct udevice *bus, uint mode)
 {
 	struct cadence_spi_priv *priv = dev_get_priv(bus);
@@ -342,4 +357,6 @@ U_BOOT_DRIVER(cadence_spi) = {
 	.platdata_auto_alloc_size = sizeof(struct cadence_spi_platdata),
 	.priv_auto_alloc_size = sizeof(struct cadence_spi_priv),
 	.probe = cadence_spi_probe,
+	.remove = cadence_spi_remove,
+	.flags = DM_FLAG_OS_PREPARE,
 };

drivers/spi/cadence_qspi.h

@@ -7,6 +7,8 @@
 #ifndef __CADENCE_QSPI_H__
 #define __CADENCE_QSPI_H__
 
+#include <reset.h>
+
 #define CQSPI_IS_ADDR(cmd_len)		(cmd_len > 1 ? 1 : 0)
 
 #define CQSPI_NO_DECODER_MAX_CS		4
@@ -42,6 +44,8 @@ struct cadence_spi_priv {
 	unsigned int	qspi_calibrated_hz;
 	unsigned int	qspi_calibrated_cs;
 	unsigned int	previous_hz;
+
+	struct reset_ctl_bulk resets;
 };
 
 /* Functions call declaration */

drivers/timer/dw-apb-timer.c

@@ -32,7 +32,7 @@ static int dw_apb_timer_get_count(struct udevice *dev, u64 *count)
 	 * requires the count to be incrementing. Invert the
 	 * result.
 	 */
-	*count = ~readl(priv->regs + DW_APB_CURR_VAL);
+	*count = timer_conv_64(~readl(priv->regs + DW_APB_CURR_VAL));
 
 	return 0;
 }

include/configs/socfpga_common.h

@@ -338,6 +338,7 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
 	"scriptaddr=0x02100000\0" \
 	"pxefile_addr_r=0x02200000\0" \
 	"ramdisk_addr_r=0x02300000\0" \
+	"socfpga_legacy_reset_compat=1\0" \
 	BOOTENV
 
 #endif