Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

11 files changed, 956 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/Makefile b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/Makefile
new file mode 100644
index 000000000..cbe1d406d
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/Makefile
@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2012 Altera Corporation <www.altera.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= lowlevel_init.o
+obj-y	+= misc.o timer.o reset_manager.o system_manager.o clock_manager.o
+obj-$(CONFIG_SPL_BUILD) += spl.o freeze_controller.o
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/clock_manager.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/clock_manager.c
new file mode 100644
index 000000000..23d697dee
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/clock_manager.c
@@ -0,0 +1,361 @@
+/*
+ *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock_manager.h>
+
+static const struct socfpga_clock_manager *clock_manager_base =
+		(void *)SOCFPGA_CLKMGR_ADDRESS;
+
+#define CLKMGR_BYPASS_ENABLE	1
+#define CLKMGR_BYPASS_DISABLE	0
+#define CLKMGR_STAT_IDLE	0
+#define CLKMGR_STAT_BUSY	1
+#define CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1		0
+#define CLKMGR_BYPASS_PERPLLSRC_SELECT_INPUT_MUX	1
+#define CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1		0
+#define CLKMGR_BYPASS_SDRPLLSRC_SELECT_INPUT_MUX	1
+
+#define CLEAR_BGP_EN_PWRDN \
+	(CLKMGR_MAINPLLGRP_VCO_PWRDN_SET(0)| \
+	CLKMGR_MAINPLLGRP_VCO_EN_SET(0)| \
+	CLKMGR_MAINPLLGRP_VCO_BGPWRDN_SET(0))
+
+#define VCO_EN_BASE \
+	(CLKMGR_MAINPLLGRP_VCO_PWRDN_SET(0)| \
+	CLKMGR_MAINPLLGRP_VCO_EN_SET(1)| \
+	CLKMGR_MAINPLLGRP_VCO_BGPWRDN_SET(0))
+
+static inline void cm_wait_for_lock(uint32_t mask)
+{
+	register uint32_t inter_val;
+	do {
+		inter_val = readl(&clock_manager_base->inter) & mask;
+	} while (inter_val != mask);
+}
+
+/* function to poll in the fsm busy bit */
+static inline void cm_wait_for_fsm(void)
+{
+	while (readl(&clock_manager_base->stat) & CLKMGR_STAT_BUSY)
+		;
+}
+
+/*
+ * function to write the bypass register which requires a poll of the
+ * busy bit
+ */
+static inline void cm_write_bypass(uint32_t val)
+{
+	writel(val, &clock_manager_base->bypass);
+	cm_wait_for_fsm();
+}
+
+/* function to write the ctrl register which requires a poll of the busy bit */
+static inline void cm_write_ctrl(uint32_t val)
+{
+	writel(val, &clock_manager_base->ctrl);
+	cm_wait_for_fsm();
+}
+
+/* function to write a clock register that has phase information */
+static inline void cm_write_with_phase(uint32_t value,
+	uint32_t reg_address, uint32_t mask)
+{
+	/* poll until phase is zero */
+	while (readl(reg_address) & mask)
+		;
+
+	writel(value, reg_address);
+
+	while (readl(reg_address) & mask)
+		;
+}
+
+/*
+ * Setup clocks while making no assumptions about previous state of the clocks.
+ *
+ * Start by being paranoid and gate all sw managed clocks
+ * Put all plls in bypass
+ * Put all plls VCO registers back to reset value (bandgap power down).
+ * Put peripheral and main pll src to reset value to avoid glitch.
+ * Delay 5 us.
+ * Deassert bandgap power down and set numerator and denominator
+ * Start 7 us timer.
+ * set internal dividers
+ * Wait for 7 us timer.
+ * Enable plls
+ * Set external dividers while plls are locking
+ * Wait for pll lock
+ * Assert/deassert outreset all.
+ * Take all pll's out of bypass
+ * Clear safe mode
+ * set source main and peripheral clocks
+ * Ungate clocks
+ */
+
+void cm_basic_init(const cm_config_t *cfg)
+{
+	uint32_t start, timeout;
+
+	/* Start by being paranoid and gate all sw managed clocks */
+
+	/*
+	 * We need to disable nandclk
+	 * and then do another apb access before disabling
+	 * gatting off the rest of the periperal clocks.
+	 */
+	writel(~CLKMGR_PERPLLGRP_EN_NANDCLK_MASK &
+		readl(&clock_manager_base->per_pll_en),
+		&clock_manager_base->per_pll_en);
+
+	/* DO NOT GATE OFF DEBUG CLOCKS & BRIDGE CLOCKS */
+	writel(CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK |
+		CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK |
+		CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK |
+		CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK |
+		CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK |
+		CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK,
+		&clock_manager_base->main_pll_en);
+
+	writel(0, &clock_manager_base->sdr_pll_en);
+
+	/* now we can gate off the rest of the peripheral clocks */
+	writel(0, &clock_manager_base->per_pll_en);
+
+	/* Put all plls in bypass */
+	cm_write_bypass(
+		CLKMGR_BYPASS_PERPLLSRC_SET(
+		CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1) |
+		CLKMGR_BYPASS_SDRPLLSRC_SET(
+		CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1) |
+		CLKMGR_BYPASS_PERPLL_SET(CLKMGR_BYPASS_ENABLE) |
+		CLKMGR_BYPASS_SDRPLL_SET(CLKMGR_BYPASS_ENABLE) |
+		CLKMGR_BYPASS_MAINPLL_SET(CLKMGR_BYPASS_ENABLE));
+
+	/*
+	 * Put all plls VCO registers back to reset value.
+	 * Some code might have messed with them.
+	 */
+	writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE,
+	       &clock_manager_base->main_pll_vco);
+	writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE,
+	       &clock_manager_base->per_pll_vco);
+	writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE,
+	       &clock_manager_base->sdr_pll_vco);
+
+	/*
+	 * The clocks to the flash devices and the L4_MAIN clocks can
+	 * glitch when coming out of safe mode if their source values
+	 * are different from their reset value.  So the trick it to
+	 * put them back to their reset state, and change input
+	 * after exiting safe mode but before ungating the clocks.
+	 */
+	writel(CLKMGR_PERPLLGRP_SRC_RESET_VALUE,
+	       &clock_manager_base->per_pll_src);
+	writel(CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE,
+	       &clock_manager_base->main_pll_l4src);
+
+	/* read back for the required 5 us delay. */
+	readl(&clock_manager_base->main_pll_vco);
+	readl(&clock_manager_base->per_pll_vco);
+	readl(&clock_manager_base->sdr_pll_vco);
+
+
+	/*
+	 * We made sure bgpwr down was assert for 5 us. Now deassert BG PWR DN
+	 * with numerator and denominator.
+	 */
+	writel(cfg->main_vco_base | CLEAR_BGP_EN_PWRDN |
+		CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK,
+		&clock_manager_base->main_pll_vco);
+
+	writel(cfg->peri_vco_base | CLEAR_BGP_EN_PWRDN |
+		CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK,
+		&clock_manager_base->per_pll_vco);
+
+	writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) |
+		CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
+		cfg->sdram_vco_base | CLEAR_BGP_EN_PWRDN |
+		CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK,
+		&clock_manager_base->sdr_pll_vco);
+
+	/*
+	 * Time starts here
+	 * must wait 7 us from BGPWRDN_SET(0) to VCO_ENABLE_SET(1)
+	 */
+	reset_timer();
+	start = get_timer(0);
+	/* timeout in unit of us as CONFIG_SYS_HZ = 1000*1000 */
+	timeout = 7;
+
+	/* main mpu */
+	writel(cfg->mpuclk, &clock_manager_base->main_pll_mpuclk);
+
+	/* main main clock */
+	writel(cfg->mainclk, &clock_manager_base->main_pll_mainclk);
+
+	/* main for dbg */
+	writel(cfg->dbgatclk, &clock_manager_base->main_pll_dbgatclk);
+
+	/* main for cfgs2fuser0clk */
+	writel(cfg->cfg2fuser0clk,
+	       &clock_manager_base->main_pll_cfgs2fuser0clk);
+
+	/* Peri emac0 50 MHz default to RMII */
+	writel(cfg->emac0clk, &clock_manager_base->per_pll_emac0clk);
+
+	/* Peri emac1 50 MHz default to RMII */
+	writel(cfg->emac1clk, &clock_manager_base->per_pll_emac1clk);
+
+	/* Peri QSPI */
+	writel(cfg->mainqspiclk, &clock_manager_base->main_pll_mainqspiclk);
+
+	writel(cfg->perqspiclk, &clock_manager_base->per_pll_perqspiclk);
+
+	/* Peri pernandsdmmcclk */
+	writel(cfg->pernandsdmmcclk,
+	       &clock_manager_base->per_pll_pernandsdmmcclk);
+
+	/* Peri perbaseclk */
+	writel(cfg->perbaseclk, &clock_manager_base->per_pll_perbaseclk);
+
+	/* Peri s2fuser1clk */
+	writel(cfg->s2fuser1clk, &clock_manager_base->per_pll_s2fuser1clk);
+
+	/* 7 us must have elapsed before we can enable the VCO */
+	while (get_timer(start) < timeout)
+		;
+
+	/* Enable vco */
+	/* main pll vco */
+	writel(cfg->main_vco_base | VCO_EN_BASE,
+	       &clock_manager_base->main_pll_vco);
+
+	/* periferal pll */
+	writel(cfg->peri_vco_base | VCO_EN_BASE,
+	       &clock_manager_base->per_pll_vco);
+
+	/* sdram pll vco */
+	writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) |
+		CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
+		cfg->sdram_vco_base | VCO_EN_BASE,
+		&clock_manager_base->sdr_pll_vco);
+
+	/* L3 MP and L3 SP */
+	writel(cfg->maindiv, &clock_manager_base->main_pll_maindiv);
+
+	writel(cfg->dbgdiv, &clock_manager_base->main_pll_dbgdiv);
+
+	writel(cfg->tracediv, &clock_manager_base->main_pll_tracediv);
+
+	/* L4 MP, L4 SP, can0, and can1 */
+	writel(cfg->perdiv, &clock_manager_base->per_pll_div);
+
+	writel(cfg->gpiodiv, &clock_manager_base->per_pll_gpiodiv);
+
+#define LOCKED_MASK \
+	(CLKMGR_INTER_SDRPLLLOCKED_MASK  | \
+	CLKMGR_INTER_PERPLLLOCKED_MASK  | \
+	CLKMGR_INTER_MAINPLLLOCKED_MASK)
+
+	cm_wait_for_lock(LOCKED_MASK);
+
+	/* write the sdram clock counters before toggling outreset all */
+	writel(cfg->ddrdqsclk & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK,
+	       &clock_manager_base->sdr_pll_ddrdqsclk);
+
+	writel(cfg->ddr2xdqsclk & CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK,
+	       &clock_manager_base->sdr_pll_ddr2xdqsclk);
+
+	writel(cfg->ddrdqclk & CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK,
+	       &clock_manager_base->sdr_pll_ddrdqclk);
+
+	writel(cfg->s2fuser2clk & CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK,
+	       &clock_manager_base->sdr_pll_s2fuser2clk);
+
+	/*
+	 * after locking, but before taking out of bypass
+	 * assert/deassert outresetall
+	 */
+	uint32_t mainvco = readl(&clock_manager_base->main_pll_vco);
+
+	/* assert main outresetall */
+	writel(mainvco | CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK,
+	       &clock_manager_base->main_pll_vco);
+
+	uint32_t periphvco = readl(&clock_manager_base->per_pll_vco);
+
+	/* assert pheriph outresetall */
+	writel(periphvco | CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK,
+	       &clock_manager_base->per_pll_vco);
+
+	/* assert sdram outresetall */
+	writel(cfg->sdram_vco_base | VCO_EN_BASE|
+		CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(1),
+		&clock_manager_base->sdr_pll_vco);
+
+	/* deassert main outresetall */
+	writel(mainvco & ~CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK,
+	       &clock_manager_base->main_pll_vco);
+
+	/* deassert pheriph outresetall */
+	writel(periphvco & ~CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK,
+	       &clock_manager_base->per_pll_vco);
+
+	/* deassert sdram outresetall */
+	writel(CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
+		cfg->sdram_vco_base | VCO_EN_BASE,
+		&clock_manager_base->sdr_pll_vco);
+
+	/*
+	 * now that we've toggled outreset all, all the clocks
+	 * are aligned nicely; so we can change any phase.
+	 */
+	cm_write_with_phase(cfg->ddrdqsclk,
+			    (uint32_t)&clock_manager_base->sdr_pll_ddrdqsclk,
+			    CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK);
+
+	/* SDRAM DDR2XDQSCLK */
+	cm_write_with_phase(cfg->ddr2xdqsclk,
+			    (uint32_t)&clock_manager_base->sdr_pll_ddr2xdqsclk,
+			    CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK);
+
+	cm_write_with_phase(cfg->ddrdqclk,
+			    (uint32_t)&clock_manager_base->sdr_pll_ddrdqclk,
+			    CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK);
+
+	cm_write_with_phase(cfg->s2fuser2clk,
+			    (uint32_t)&clock_manager_base->sdr_pll_s2fuser2clk,
+			    CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK);
+
+	/* Take all three PLLs out of bypass when safe mode is cleared. */
+	cm_write_bypass(
+		CLKMGR_BYPASS_PERPLLSRC_SET(
+			CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1) |
+		CLKMGR_BYPASS_SDRPLLSRC_SET(
+			CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1) |
+		CLKMGR_BYPASS_PERPLL_SET(CLKMGR_BYPASS_DISABLE) |
+		CLKMGR_BYPASS_SDRPLL_SET(CLKMGR_BYPASS_DISABLE) |
+		CLKMGR_BYPASS_MAINPLL_SET(CLKMGR_BYPASS_DISABLE));
+
+	/* clear safe mode */
+	cm_write_ctrl(readl(&clock_manager_base->ctrl) |
+			CLKMGR_CTRL_SAFEMODE_SET(CLKMGR_CTRL_SAFEMODE_MASK));
+
+	/*
+	 * now that safe mode is clear with clocks gated
+	 * it safe to change the source mux for the flashes the the L4_MAIN
+	 */
+	writel(cfg->persrc, &clock_manager_base->per_pll_src);
+	writel(cfg->l4src, &clock_manager_base->main_pll_l4src);
+
+	/* Now ungate non-hw-managed clocks */
+	writel(~0, &clock_manager_base->main_pll_en);
+	writel(~0, &clock_manager_base->per_pll_en);
+	writel(~0, &clock_manager_base->sdr_pll_en);
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/config.mk b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/config.mk
new file mode 100644
index 000000000..3d1849157
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/config.mk
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+ifndef CONFIG_SPL_BUILD
+ALL-y	+= u-boot.img
+endif
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/freeze_controller.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/freeze_controller.c
new file mode 100644
index 000000000..b8c9bce1e
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/freeze_controller.c
@@ -0,0 +1,215 @@
+/*
+ *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/freeze_controller.h>
+#include <asm/arch/timer.h>
+#include <asm/errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct socfpga_freeze_controller *freeze_controller_base =
+		(void *)(SOCFPGA_SYSMGR_ADDRESS + SYSMGR_FRZCTRL_ADDRESS);
+
+/*
+ * Default state from cold reset is FREEZE_ALL; the global
+ * flag is set to TRUE to indicate the IO banks are frozen
+ */
+static uint32_t frzctrl_channel_freeze[FREEZE_CHANNEL_NUM]
+	= { FREEZE_CTRL_FROZEN, FREEZE_CTRL_FROZEN,
+	FREEZE_CTRL_FROZEN, FREEZE_CTRL_FROZEN};
+
+/* Freeze HPS IOs */
+void sys_mgr_frzctrl_freeze_req(void)
+{
+	u32 ioctrl_reg_offset;
+	u32 reg_value;
+	u32 reg_cfg_mask;
+	u32 channel_id;
+
+	/* select software FSM */
+	writel(SYSMGR_FRZCTRL_SRC_VIO1_ENUM_SW,	&freeze_controller_base->src);
+
+	/* Freeze channel 0 to 2 */
+	for (channel_id = 0; channel_id <= 2; channel_id++) {
+		ioctrl_reg_offset = (u32)(
+			&freeze_controller_base->vioctrl +
+			(channel_id << SYSMGR_FRZCTRL_VIOCTRL_SHIFT));
+
+		/*
+		 * Assert active low enrnsl, plniotri
+		 * and niotri signals
+		 */
+		reg_cfg_mask =
+			SYSMGR_FRZCTRL_VIOCTRL_SLEW_MASK
+			| SYSMGR_FRZCTRL_VIOCTRL_WKPULLUP_MASK
+			| SYSMGR_FRZCTRL_VIOCTRL_TRISTATE_MASK;
+		clrbits_le32(ioctrl_reg_offset,	reg_cfg_mask);
+
+		/*
+		 * Note: Delay for 20ns at min
+		 * Assert active low bhniotri signal and de-assert
+		 * active high csrdone
+		 */
+		reg_cfg_mask
+			= SYSMGR_FRZCTRL_VIOCTRL_BUSHOLD_MASK
+			| SYSMGR_FRZCTRL_VIOCTRL_CFG_MASK;
+		clrbits_le32(ioctrl_reg_offset,	reg_cfg_mask);
+
+		/* Set global flag to indicate channel is frozen */
+		frzctrl_channel_freeze[channel_id] = FREEZE_CTRL_FROZEN;
+	}
+
+	/* Freeze channel 3 */
+	/*
+	 * Assert active low enrnsl, plniotri and
+	 * niotri signals
+	 */
+	reg_cfg_mask
+		= SYSMGR_FRZCTRL_HIOCTRL_SLEW_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_WKPULLUP_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_TRISTATE_MASK;
+	clrbits_le32(&freeze_controller_base->hioctrl, reg_cfg_mask);
+
+	/*
+	 * assert active low bhniotri & nfrzdrv signals,
+	 * de-assert active high csrdone and assert
+	 * active high frzreg and nfrzdrv signals
+	 */
+	reg_value = readl(&freeze_controller_base->hioctrl);
+	reg_cfg_mask
+		= SYSMGR_FRZCTRL_HIOCTRL_BUSHOLD_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_CFG_MASK;
+	reg_value
+		= (reg_value & ~reg_cfg_mask)
+		| SYSMGR_FRZCTRL_HIOCTRL_REGRST_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_OCTRST_MASK;
+	writel(reg_value, &freeze_controller_base->hioctrl);
+
+	/*
+	 * assert active high reinit signal and de-assert
+	 * active high pllbiasen signals
+	 */
+	reg_value = readl(&freeze_controller_base->hioctrl);
+	reg_value
+		= (reg_value &
+		~SYSMGR_FRZCTRL_HIOCTRL_OCT_CFGEN_CALSTART_MASK)
+		| SYSMGR_FRZCTRL_HIOCTRL_DLLRST_MASK;
+	writel(reg_value, &freeze_controller_base->hioctrl);
+
+	/* Set global flag to indicate channel is frozen */
+	frzctrl_channel_freeze[channel_id] = FREEZE_CTRL_FROZEN;
+}
+
+/* Unfreeze/Thaw HPS IOs */
+void sys_mgr_frzctrl_thaw_req(void)
+{
+	u32 ioctrl_reg_offset;
+	u32 reg_cfg_mask;
+	u32 reg_value;
+	u32 channel_id;
+
+	/* select software FSM */
+	writel(SYSMGR_FRZCTRL_SRC_VIO1_ENUM_SW,	&freeze_controller_base->src);
+
+	/* Thaw channel 0 to 2 */
+	for (channel_id = 0; channel_id <= 2; channel_id++) {
+		ioctrl_reg_offset
+			= (u32)(&freeze_controller_base->vioctrl
+				+ (channel_id << SYSMGR_FRZCTRL_VIOCTRL_SHIFT));
+
+		/*
+		 * Assert active low bhniotri signal and
+		 * de-assert active high csrdone
+		 */
+		reg_cfg_mask
+			= SYSMGR_FRZCTRL_VIOCTRL_BUSHOLD_MASK
+			| SYSMGR_FRZCTRL_VIOCTRL_CFG_MASK;
+		setbits_le32(ioctrl_reg_offset,	reg_cfg_mask);
+
+		/*
+		 * Note: Delay for 20ns at min
+		 * de-assert active low plniotri and niotri signals
+		 */
+		reg_cfg_mask
+			= SYSMGR_FRZCTRL_VIOCTRL_WKPULLUP_MASK
+			| SYSMGR_FRZCTRL_VIOCTRL_TRISTATE_MASK;
+		setbits_le32(ioctrl_reg_offset,	reg_cfg_mask);
+
+		/*
+		 * Note: Delay for 20ns at min
+		 * de-assert active low enrnsl signal
+		 */
+		setbits_le32(ioctrl_reg_offset,
+			SYSMGR_FRZCTRL_VIOCTRL_SLEW_MASK);
+
+		/* Set global flag to indicate channel is thawed */
+		frzctrl_channel_freeze[channel_id] = FREEZE_CTRL_THAWED;
+	}
+
+	/* Thaw channel 3 */
+	/* de-assert active high reinit signal */
+	clrbits_le32(&freeze_controller_base->hioctrl,
+		SYSMGR_FRZCTRL_HIOCTRL_DLLRST_MASK);
+
+	/*
+	 * Note: Delay for 40ns at min
+	 * assert active high pllbiasen signals
+	 */
+	setbits_le32(&freeze_controller_base->hioctrl,
+		SYSMGR_FRZCTRL_HIOCTRL_OCT_CFGEN_CALSTART_MASK);
+
+	/*
+	 * Delay 1000 intosc. intosc is based on eosc1
+	 * Use worst case which is fatest eosc1=50MHz, delay required
+	 * is 1/50MHz * 1000 = 20us
+	 */
+	udelay(20);
+
+	/*
+	 * de-assert active low bhniotri signals,
+	 * assert active high csrdone and nfrzdrv signal
+	 */
+	reg_value = readl(&freeze_controller_base->hioctrl);
+	reg_value = (reg_value
+		| SYSMGR_FRZCTRL_HIOCTRL_BUSHOLD_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_CFG_MASK)
+		& ~SYSMGR_FRZCTRL_HIOCTRL_OCTRST_MASK;
+	writel(reg_value, &freeze_controller_base->hioctrl);
+
+	/*
+	 * Delay 33 intosc
+	 * Use worst case which is fatest eosc1=50MHz, delay required
+	 * is 1/50MHz * 33 = 660ns ~= 1us
+	 */
+	udelay(1);
+
+	/* de-assert active low plniotri and niotri signals */
+	reg_cfg_mask
+		= SYSMGR_FRZCTRL_HIOCTRL_WKPULLUP_MASK
+		| SYSMGR_FRZCTRL_HIOCTRL_TRISTATE_MASK;
+
+	setbits_le32(&freeze_controller_base->hioctrl, reg_cfg_mask);
+
+	/*
+	 * Note: Delay for 40ns at min
+	 * de-assert active high frzreg signal
+	 */
+	clrbits_le32(&freeze_controller_base->hioctrl,
+		SYSMGR_FRZCTRL_HIOCTRL_REGRST_MASK);
+
+	/*
+	 * Note: Delay for 40ns at min
+	 * de-assert active low enrnsl signal
+	 */
+	setbits_le32(&freeze_controller_base->hioctrl,
+		SYSMGR_FRZCTRL_HIOCTRL_SLEW_MASK);
+
+	/* Set global flag to indicate channel is thawed */
+	frzctrl_channel_freeze[channel_id] = FREEZE_CTRL_THAWED;
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/lowlevel_init.S b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/lowlevel_init.S
new file mode 100644
index 000000000..1caaa2759
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/lowlevel_init.S
@@ -0,0 +1,66 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <version.h>
+
+/* Save the parameter pass in by previous boot loader */
+.global save_boot_params
+save_boot_params:
+	/* save the parameter here */
+
+	/*
+	 * Setup stack for exception, which is located
+	 * at the end of on-chip RAM. We don't expect exception prior to
+	 * relocation and if that happens, we won't worry -- it will overide
+	 * global data region as the code will goto reset. After relocation,
+	 * this region won't be used by other part of program.
+	 * Hence it is safe.
+	 */
+	ldr	r0, =(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)
+	ldr	r1, =IRQ_STACK_START_IN
+	str	r0, [r1]
+
+	bx	lr
+
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+
+	/* Remap */
+#ifdef CONFIG_SPL_BUILD
+	/*
+	 * SPL : configure the remap (L3 NIC-301 GPV)
+	 * so the on-chip RAM at lower memory instead ROM.
+	 */
+	ldr	r0, =SOCFPGA_L3REGS_ADDRESS
+	mov	r1, #0x19
+	str	r1, [r0]
+#else
+	/*
+	 * U-Boot : configure the remap (L3 NIC-301 GPV)
+	 * so the SDRAM at lower memory instead on-chip RAM.
+	 */
+	ldr	r0, =SOCFPGA_L3REGS_ADDRESS
+	mov	r1, #0x2
+	str	r1, [r0]
+
+	/* Private components security */
+
+	/*
+	 * U-Boot : configure private timer, global timer and cpu
+	 * component access as non secure for kernel stage (as required
+	 * by kernel)
+	 */
+	mrc	p15,4,r0,c15,c0,0
+	add	r1, r0, #0x54
+	ldr	r2, [r1]
+	orr	r2, r2, #0xff
+	orr	r2, r2, #0xf00
+	str	r2, [r1]
+#endif	/* #ifdef CONFIG_SPL_BUILD */
+	mov	pc, lr
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/misc.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/misc.c
new file mode 100644
index 000000000..2f1c7160f
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/misc.c
@@ -0,0 +1,16 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
+	return 0;
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/reset_manager.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/reset_manager.c
new file mode 100644
index 000000000..e320c011a
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/reset_manager.c
@@ -0,0 +1,39 @@
+/*
+ *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/reset_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct socfpga_reset_manager *reset_manager_base =
+		(void *)SOCFPGA_RSTMGR_ADDRESS;
+
+/*
+ * Write the reset manager register to cause reset
+ */
+void reset_cpu(ulong addr)
+{
+	/* request a warm reset */
+	writel((1 << RSTMGR_CTRL_SWWARMRSTREQ_LSB),
+		&reset_manager_base->ctrl);
+	/*
+	 * infinite loop here as watchdog will trigger and reset
+	 * the processor
+	 */
+	while (1)
+		;
+}
+
+/*
+ * Release peripherals from reset based on handoff
+ */
+void reset_deassert_peripherals_handoff(void)
+{
+	writel(0, &reset_manager_base->per_mod_reset);
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/spl.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/spl.c
new file mode 100644
index 000000000..2ae88bbd0
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/spl.c
@@ -0,0 +1,137 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <version.h>
+#include <image.h>
+#include <asm/arch/reset_manager.h>
+#include <spl.h>
+#include <asm/arch/system_manager.h>
+#include <asm/arch/freeze_controller.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_RAM;
+}
+
+/*
+ * Board initialization after bss clearance
+ */
+void spl_board_init(void)
+{
+#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
+	cm_config_t cm_default_cfg = {
+		/* main group */
+		MAIN_VCO_BASE,
+		CLKMGR_MAINPLLGRP_MPUCLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT),
+		CLKMGR_MAINPLLGRP_MAINCLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT),
+		CLKMGR_MAINPLLGRP_DBGATCLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT),
+		CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT),
+		CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT),
+		CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_SET(
+			CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT),
+		CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK) |
+		CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK) |
+		CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK) |
+		CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK),
+		CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK) |
+		CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_SET(
+			CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK),
+		CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_SET(
+			CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK),
+		CLKMGR_MAINPLLGRP_L4SRC_L4MP_SET(
+			CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP) |
+		CLKMGR_MAINPLLGRP_L4SRC_L4SP_SET(
+			CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP),
+
+		/* peripheral group */
+		PERI_VCO_BASE,
+		CLKMGR_PERPLLGRP_EMAC0CLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT),
+		CLKMGR_PERPLLGRP_EMAC1CLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT),
+		CLKMGR_PERPLLGRP_PERQSPICLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT),
+		CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT),
+		CLKMGR_PERPLLGRP_PERBASECLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT),
+		CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_SET(
+			CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT),
+		CLKMGR_PERPLLGRP_DIV_USBCLK_SET(
+			CONFIG_HPS_PERPLLGRP_DIV_USBCLK) |
+		CLKMGR_PERPLLGRP_DIV_SPIMCLK_SET(
+			CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK) |
+		CLKMGR_PERPLLGRP_DIV_CAN0CLK_SET(
+			CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK) |
+		CLKMGR_PERPLLGRP_DIV_CAN1CLK_SET(
+			CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK),
+		CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_SET(
+			CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK),
+		CLKMGR_PERPLLGRP_SRC_QSPI_SET(
+			CONFIG_HPS_PERPLLGRP_SRC_QSPI) |
+		CLKMGR_PERPLLGRP_SRC_NAND_SET(
+			CONFIG_HPS_PERPLLGRP_SRC_NAND) |
+		CLKMGR_PERPLLGRP_SRC_SDMMC_SET(
+			CONFIG_HPS_PERPLLGRP_SRC_SDMMC),
+
+		/* sdram pll group */
+		SDR_VCO_BASE,
+		CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_SET(
+			CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE) |
+		CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_SET(
+			CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT),
+		CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_SET(
+			CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE) |
+		CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_SET(
+			CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT),
+		CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_SET(
+			CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE) |
+		CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_SET(
+			CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT),
+		CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_SET(
+			CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE) |
+		CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_SET(
+			CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT),
+	};
+
+	debug("Freezing all I/O banks\n");
+	/* freeze all IO banks */
+	sys_mgr_frzctrl_freeze_req();
+
+	debug("Reconfigure Clock Manager\n");
+	/* reconfigure the PLLs */
+	cm_basic_init(&cm_default_cfg);
+
+	/* configure the pin muxing through system manager */
+	sysmgr_pinmux_init();
+#endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */
+
+	/* de-assert reset for peripherals and bridges based on handoff */
+	reset_deassert_peripherals_handoff();
+
+	debug("Unfreezing/Thaw all I/O banks\n");
+	/* unfreeze / thaw all IO banks */
+	sys_mgr_frzctrl_thaw_req();
+
+	/* enable console uart printing */
+	preloader_console_init();
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/system_manager.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/system_manager.c
new file mode 100644
index 000000000..d96521ba0
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/system_manager.c
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/system_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Configure all the pin muxes
+ */
+void sysmgr_pinmux_init(void)
+{
+	unsigned long offset = CONFIG_SYSMGR_PINMUXGRP_OFFSET;
+
+	const unsigned long *pval = sys_mgr_init_table;
+	unsigned long i;
+
+	for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table);
+		i++, offset += sizeof(unsigned long)) {
+		writel(*pval++, (SOCFPGA_SYSMGR_ADDRESS + offset));
+	}
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/timer.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/timer.c
new file mode 100644
index 000000000..58fc789e6
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/timer.c
@@ -0,0 +1,22 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer.h>
+
+static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;
+
+/*
+ * Timer initialization
+ */
+int timer_init(void)
+{
+	writel(TIMER_LOAD_VAL, &timer_base->load_val);
+	writel(TIMER_LOAD_VAL, &timer_base->curr_val);
+	writel(readl(&timer_base->ctrl) | 0x3, &timer_base->ctrl);
+	return 0;
+}
diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
new file mode 100644
index 000000000..4282beb39
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
@@ -0,0 +1,53 @@
+/*
+ *  Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+MEMORY { .sdram : ORIGIN = (0), LENGTH = (0xffffffff) }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text	:
+	{
+		arch/arm/cpu/armv7/start.o	(.text*)
+		*(.text*)
+	} >.sdram
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } >.sdram
+
+	. = ALIGN(4);
+	.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sdram
+
+	. = ALIGN(4);
+	__image_copy_end = .;
+
+	.end :
+	{
+		*(.__end)
+	}
+
+	.bss : {
+		. = ALIGN(4);
+		__bss_start = .;
+		*(.bss*)
+		. = ALIGN(4);
+		__bss_end = .;
+	} >.sdram
+
+	. = ALIGN(8);
+	__malloc_start = .;
+	. = . + CONFIG_SPL_MALLOC_SIZE;
+	__malloc_end = .;
+
+	. = . + CONFIG_SPL_STACK_SIZE;
+	. = ALIGN(8);
+	__stack_start = .;
+}