From: Stefano Babic <sbabic@denx.de>
Date: Sun, 21 Apr 2013 09:32:19 +0000 (+0200)
Subject: Merge branch 'next'
X-Git-Tag: v2013.07-rc1~85^2~91
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=cd53034613d7bf4a38b673f5c7c0dc2dfe0519c4;hp=e9fd66defd7ed23e7847c418b684f42b9d427493

Merge branch 'next'
---

diff --git a/MAINTAINERS b/MAINTAINERS
index bbab5fe595..643a5acc41 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -994,6 +994,7 @@ Stephen Warren <swarren@nvidia.com>
 	paz00		Tegra20 (ARM7 & A9 Dual Core)
 	trimslice	Tegra20 (ARM7 & A9 Dual Core)
 	whistler	Tegra20 (ARM7 & A9 Dual Core)
+	beaver		Tegra30 (ARM7 & A9 Quad Core)
 
 Stephen Warren <swarren@wwwdotorg.org>
 
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.c b/arch/arm/cpu/arm720t/tegra-common/cpu.c
index 119342e957..9294611be8 100644
--- a/arch/arm/cpu/arm720t/tegra-common/cpu.c
+++ b/arch/arm/cpu/arm720t/tegra-common/cpu.c
@@ -143,26 +143,34 @@ void init_pllx(void)
 {
 	struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
 	struct clk_pll_simple *pll = &clkrst->crc_pll_simple[SIMPLE_PLLX];
-	int chip_type;
+	int soc_type, sku_info, chip_sku;
 	enum clock_osc_freq osc;
 	struct clk_pll_table *sel;
 
 	debug("init_pllx entry\n");
 
-	/* get chip type */
-	chip_type = tegra_get_chip_type();
-	debug(" init_pllx: chip_type = %d\n", chip_type);
+	/* get SOC (chip) type */
+	soc_type = tegra_get_chip();
+	debug(" init_pllx: SoC = 0x%02X\n", soc_type);
+
+	/* get SKU info */
+	sku_info = tegra_get_sku_info();
+	debug(" init_pllx: SKU info byte = 0x%02X\n", sku_info);
+
+	/* get chip SKU, combo of the above info */
+	chip_sku = tegra_get_chip_sku();
+	debug(" init_pllx: Chip SKU = %d\n", chip_sku);
 
 	/* get osc freq */
 	osc = clock_get_osc_freq();
-	debug("  init_pllx: osc = %d\n", osc);
+	debug(" init_pllx: osc = %d\n", osc);
 
 	/* set pllx */
-	sel = &tegra_pll_x_table[chip_type][osc];
+	sel = &tegra_pll_x_table[chip_sku][osc];
 	pllx_set_rate(pll, sel->n, sel->m, sel->p, sel->cpcon);
 
-	/* adjust PLLP_out1-4 on T30/T114 */
-	if (chip_type == TEGRA_SOC_T30 || chip_type == TEGRA_SOC_T114) {
+	/* adjust PLLP_out1-4 on T3x/T114 */
+	if (soc_type >= CHIPID_TEGRA30) {
 		debug("  init_pllx: adjusting PLLP out freqs\n");
 		adjust_pllp_out_freqs();
 	}
@@ -287,7 +295,7 @@ void reset_A9_cpu(int reset)
 void clock_enable_coresight(int enable)
 {
 	u32 rst, src = 2;
-	int chip;
+	int soc_type;
 
 	debug("clock_enable_coresight entry\n");
 	clock_set_enable(PERIPH_ID_CORESIGHT, enable);
@@ -295,21 +303,21 @@ void clock_enable_coresight(int enable)
 
 	if (enable) {
 		/*
-		 * Put CoreSight on PLLP_OUT0 (216 MHz) and divide it down by
-		 *  1.5, giving an effective frequency of 144MHz.
-		 * Set PLLP_OUT0 [bits31:30 = 00], and use a 7.1 divisor
-		 *  (bits 7:0), so 00000001b == 1.5 (n+1 + .5)
-		 *
-		 * Clock divider request for 204MHz would setup CSITE clock as
-		 * 144MHz for PLLP base 216MHz and 204MHz for PLLP base 408MHz
+		 * Put CoreSight on PLLP_OUT0 and divide it down as per
+		 * PLLP base frequency based on SoC type (T20/T30/T114).
+		 * Clock divider request would setup CSITE clock as 144MHz
+		 * for PLLP base 216MHz and 204MHz for PLLP base 408MHz
 		 */
-		chip = tegra_get_chip_type();
-		if (chip == TEGRA_SOC_T30 || chip == TEGRA_SOC_T114)
+
+		soc_type = tegra_get_chip();
+		if (soc_type == CHIPID_TEGRA30 || soc_type == CHIPID_TEGRA114)
 			src = CLK_DIVIDER(NVBL_PLLP_KHZ, 204000);
-		else if (chip == TEGRA_SOC_T20 || chip == TEGRA_SOC_T25)
+		else if (soc_type == CHIPID_TEGRA20)
 			src = CLK_DIVIDER(NVBL_PLLP_KHZ, 144000);
 		else
-			printf("%s: Unknown chip type %X!\n", __func__, chip);
+			printf("%s: Unknown SoC type %X!\n",
+				 __func__, soc_type);
+
 		clock_ll_set_source_divisor(PERIPH_ID_CSI, 0, src);
 
 		/* Unlock the CPU CoreSight interfaces */
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.h b/arch/arm/cpu/arm720t/tegra-common/cpu.h
index e8e05d77aa..f9bfb32445 100644
--- a/arch/arm/cpu/arm720t/tegra-common/cpu.h
+++ b/arch/arm/cpu/arm720t/tegra-common/cpu.h
@@ -80,5 +80,7 @@ void init_pllx(void);
 void powerup_cpu(void);
 void reset_A9_cpu(int reset);
 void start_cpu(u32 reset_vector);
-int tegra_get_chip_type(void);
+int tegra_get_chip(void);
+int tegra_get_sku_info(void);
+int tegra_get_chip_sku(void);
 void adjust_pllp_out_freqs(void);
diff --git a/arch/arm/cpu/arm720t/tegra114/cpu.c b/arch/arm/cpu/arm720t/tegra114/cpu.c
index 6a94179d4a..51ecff794f 100644
--- a/arch/arm/cpu/arm720t/tegra114/cpu.c
+++ b/arch/arm/cpu/arm720t/tegra114/cpu.c
@@ -170,15 +170,13 @@ void t114_init_clocks(void)
 	clock_set_enable(PERIPH_ID_MC1, 1);
 	clock_set_enable(PERIPH_ID_DVFS, 1);
 
-	/* Switch MSELECT clock to PLLP (00) */
-	clock_ll_set_source(PERIPH_ID_MSELECT, 0);
-
 	/*
-	 * Clock divider request for 102MHz would setup MSELECT clock as
-	 * 102MHz for PLLP base 408MHz
+	 * Set MSELECT clock source as PLLP (00), and ask for a clock
+	 * divider that would set the MSELECT clock at 102MHz for a
+	 * PLLP base of 408MHz.
 	 */
 	clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
-		(NVBL_PLLP_KHZ/102000));
+		CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
 
 	/* I2C5 (DVC) gets CLK_M and a divisor of 17 */
 	clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
diff --git a/arch/arm/cpu/arm720t/tegra30/cpu.c b/arch/arm/cpu/arm720t/tegra30/cpu.c
index dedcdd9b08..e162357484 100644
--- a/arch/arm/cpu/arm720t/tegra30/cpu.c
+++ b/arch/arm/cpu/arm720t/tegra30/cpu.c
@@ -110,8 +110,8 @@ void t30_init_clocks(void)
 	reset_set_enable(PERIPH_ID_MSELECT, 1);
 	clock_set_enable(PERIPH_ID_MSELECT, 1);
 
-	/* Switch MSELECT clock to PLLP (00) */
-	clock_ll_set_source(PERIPH_ID_MSELECT, 0);
+	/* Switch MSELECT clock to PLLP (00) and use a divisor of 2 */
+	clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0, 2);
 
 	/*
 	 * Our high-level clock routines are not available prior to
diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c
index 6a0fa5862e..4adfaae656 100644
--- a/arch/arm/cpu/armv7/s5p-common/timer.c
+++ b/arch/arm/cpu/armv7/s5p-common/timer.c
@@ -24,6 +24,7 @@
  */
 
 #include <common.h>
+#include <div64.h>
 #include <asm/io.h>
 #include <asm/arch/pwm.h>
 #include <asm/arch/clk.h>
@@ -76,6 +77,8 @@ int timer_init(void)
  */
 unsigned long get_timer(unsigned long base)
 {
+	unsigned long long time_ms;
+
 	ulong now = timer_get_us_down();
 
 	/*
@@ -87,7 +90,9 @@ unsigned long get_timer(unsigned long base)
 	gd->arch.lastinc = now;
 
 	/* Divide by 1000 to convert from us to ms */
-	return gd->arch.timer_reset_value / 1000 - base;
+	time_ms = gd->arch.timer_reset_value;
+	do_div(time_ms, 1000);
+	return time_ms - base;
 }
 
 unsigned long timer_get_us(void)
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 5feae7ace3..e9e57e6450 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -253,11 +253,9 @@ ENTRY(c_runtime_cpu_setup)
 /*
  * Move vector table
  */
-#if !defined(CONFIG_TEGRA)
 	/* Set vector address in CP15 VBAR register */
 	ldr     r0, =_start
 	mcr     p15, 0, r0, c12, c0, 0  @Set VBAR
-#endif /* !Tegra */
 
 	bx	lr
 
diff --git a/arch/arm/cpu/tegra-common/Makefile b/arch/arm/cpu/tegra-common/Makefile
index 8e95c7ee1d..4e0301c66a 100644
--- a/arch/arm/cpu/tegra-common/Makefile
+++ b/arch/arm/cpu/tegra-common/Makefile
@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)libcputegra-common.o
 
 SOBJS += lowlevel_init.o
-COBJS-y	+= ap.o board.o sys_info.o timer.o clock.o
+COBJS-y	+= ap.o board.o sys_info.o timer.o clock.o cache.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
diff --git a/arch/arm/cpu/tegra-common/ap.c b/arch/arm/cpu/tegra-common/ap.c
index 236cda8419..9b77b2b82e 100644
--- a/arch/arm/cpu/tegra-common/ap.c
+++ b/arch/arm/cpu/tegra-common/ap.c
@@ -34,25 +34,44 @@
 #include <asm/arch-tegra/tegra.h>
 #include <asm/arch-tegra/warmboot.h>
 
-int tegra_get_chip_type(void)
+int tegra_get_chip(void)
 {
-	struct apb_misc_gp_ctlr *gp;
-	struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
-	uint tegra_sku_id, rev;
+	int rev;
+	struct apb_misc_gp_ctlr *gp =
+		(struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
 
 	/*
 	 * This is undocumented, Chip ID is bits 15:8 of the register
 	 * APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
 	 * Tegra30, and 0x35 for T114.
 	 */
-	gp = (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
 	rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
+	debug("%s: CHIPID is 0x%02X\n", __func__, rev);
+
+	return rev;
+}
+
+int tegra_get_sku_info(void)
+{
+	int sku_id;
+	struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
 
-	tegra_sku_id = readl(&fuse->sku_info) & 0xff;
+	sku_id = readl(&fuse->sku_info) & 0xff;
+	debug("%s: SKU info byte is 0x%02X\n", __func__, sku_id);
 
-	switch (rev) {
+	return sku_id;
+}
+
+int tegra_get_chip_sku(void)
+{
+	uint sku_id, chip_id;
+
+	chip_id = tegra_get_chip();
+	sku_id = tegra_get_sku_info();
+
+	switch (chip_id) {
 	case CHIPID_TEGRA20:
-		switch (tegra_sku_id) {
+		switch (sku_id) {
 		case SKU_ID_T20:
 			return TEGRA_SOC_T20;
 		case SKU_ID_T25SE:
@@ -64,19 +83,22 @@ int tegra_get_chip_type(void)
 		}
 		break;
 	case CHIPID_TEGRA30:
-		switch (tegra_sku_id) {
+		switch (sku_id) {
+		case SKU_ID_T33:
 		case SKU_ID_T30:
 			return TEGRA_SOC_T30;
 		}
 		break;
 	case CHIPID_TEGRA114:
-		switch (tegra_sku_id) {
+		switch (sku_id) {
 		case SKU_ID_T114_ENG:
 			return TEGRA_SOC_T114;
 		}
 		break;
 	}
-	/* unknown sku id */
+	/* unknown chip/sku id */
+	printf("%s: ERROR: UNKNOWN CHIP/SKU ID COMBO (0x%02X/0x%02X)\n",
+		__func__, chip_id, sku_id);
 	return TEGRA_SOC_UNKNOWN;
 }
 
@@ -138,11 +160,6 @@ void s_init(void)
 
 	enable_scu();
 
-	/* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
-	asm volatile(
-		"mrc	p15, 0, r0, c1, c0, 1\n"
-		"orr	r0, r0, #0x41\n"
-		"mcr	p15, 0, r0, c1, c0, 1\n");
-
-	/* FIXME: should have SoC's L2 disabled too? */
+	/* init the cache */
+	config_cache();
 }
diff --git a/arch/arm/cpu/tegra-common/cache.c b/arch/arm/cpu/tegra-common/cache.c
new file mode 100644
index 0000000000..48e9319c75
--- /dev/null
+++ b/arch/arm/cpu/tegra-common/cache.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Tegra cache routines */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch/gp_padctrl.h>
+
+void config_cache(void)
+{
+	struct apb_misc_gp_ctlr *gp =
+		(struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+	u32 reg = 0;
+
+	/* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
+	asm volatile(
+		"mrc p15, 0, r0, c1, c0, 1\n"
+		"orr r0, r0, #0x41\n"
+		"mcr p15, 0, r0, c1, c0, 1\n");
+
+	/* Currently, only T114 needs this L2 cache change to boot Linux */
+	reg = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK);
+	if (reg != (CHIPID_TEGRA114 << HIDREV_CHIPID_SHIFT))
+		return;
+	/*
+	 * Systems with an architectural L2 cache must not use the PL310.
+	 * Config L2CTLR here for a data RAM latency of 3 cycles.
+	 */
+	asm("mrc p15, 1, %0, c9, c0, 2" : : "r" (reg));
+	reg &= ~7;
+	reg |= 2;
+	asm("mcr p15, 1, %0, c9, c0, 2" : : "r" (reg));
+}
diff --git a/arch/arm/cpu/tegra-common/clock.c b/arch/arm/cpu/tegra-common/clock.c
index 49a06334cb..9156d009b2 100644
--- a/arch/arm/cpu/tegra-common/clock.c
+++ b/arch/arm/cpu/tegra-common/clock.c
@@ -557,4 +557,7 @@ void clock_init(void)
 	debug("PLLP = %d\n", pll_rate[CLOCK_ID_PERIPH]);
 	debug("PLLC = %d\n", pll_rate[CLOCK_ID_CGENERAL]);
 	debug("PLLX = %d\n", pll_rate[CLOCK_ID_XCPU]);
+
+	/* Do any special system timer/TSC setup */
+	arch_timer_init();
 }
diff --git a/arch/arm/cpu/tegra114-common/clock.c b/arch/arm/cpu/tegra114-common/clock.c
index 9b29ce1dd2..5c4305a418 100644
--- a/arch/arm/cpu/tegra114-common/clock.c
+++ b/arch/arm/cpu/tegra114-common/clock.c
@@ -19,6 +19,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
+#include <asm/arch/sysctr.h>
 #include <asm/arch/tegra.h>
 #include <asm/arch-tegra/clk_rst.h>
 #include <asm/arch-tegra/timer.h>
@@ -653,3 +654,24 @@ void clock_early_init(void)
 	writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
 	udelay(2);
 }
+
+void arch_timer_init(void)
+{
+	struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
+	u32 freq, val;
+
+	freq = clock_get_rate(CLOCK_ID_OSC);
+	debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
+
+	/* ARM CNTFRQ */
+	asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
+
+	/* Only T114 has the System Counter regs */
+	debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
+	writel(freq, &sysctr->cntfid0);
+
+	val = readl(&sysctr->cntcr);
+	val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
+	writel(val, &sysctr->cntcr);
+	debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
+}
diff --git a/arch/arm/cpu/tegra20-common/clock.c b/arch/arm/cpu/tegra20-common/clock.c
index ec93894f48..4afb205c31 100644
--- a/arch/arm/cpu/tegra20-common/clock.c
+++ b/arch/arm/cpu/tegra20-common/clock.c
@@ -559,3 +559,7 @@ void clock_early_init(void)
 		break;
 	}
 }
+
+void arch_timer_init(void)
+{
+}
diff --git a/arch/arm/cpu/tegra20-common/pmu.c b/arch/arm/cpu/tegra20-common/pmu.c
index 228295303c..4c5a5333d7 100644
--- a/arch/arm/cpu/tegra20-common/pmu.c
+++ b/arch/arm/cpu/tegra20-common/pmu.c
@@ -44,7 +44,7 @@ int pmu_set_nominal(void)
 	int core, cpu, bus;
 
 	/* by default, the table has been filled with T25 settings */
-	switch (tegra_get_chip_type()) {
+	switch (tegra_get_chip_sku()) {
 	case TEGRA_SOC_T20:
 		core = VDD_CORE_NOMINAL_T20;
 		cpu = VDD_CPU_NOMINAL_T20;
@@ -54,7 +54,7 @@ int pmu_set_nominal(void)
 		cpu = VDD_CPU_NOMINAL_T25;
 		break;
 	default:
-		debug("%s: Unknown chip type\n", __func__);
+		debug("%s: Unknown SKU id\n", __func__);
 		return -1;
 	}
 
diff --git a/arch/arm/cpu/tegra30-common/clock.c b/arch/arm/cpu/tegra30-common/clock.c
index a93f2c9434..74bd22be1a 100644
--- a/arch/arm/cpu/tegra30-common/clock.c
+++ b/arch/arm/cpu/tegra30-common/clock.c
@@ -616,3 +616,7 @@ void clock_early_init(void)
 		break;
 	}
 }
+
+void arch_timer_init(void)
+{
+}
diff --git a/arch/arm/include/asm/arch-tegra/ap.h b/arch/arm/include/asm/arch-tegra/ap.h
index 73dfd394d8..f6d08c6598 100644
--- a/arch/arm/include/asm/arch-tegra/ap.h
+++ b/arch/arm/include/asm/arch-tegra/ap.h
@@ -59,8 +59,25 @@
 extern void _start(void);
 
 /**
- * Works out the SOC type used for clocks settings
+ * Works out the SOC/SKU type used for clocks settings
  *
  * @return	SOC type - see TEGRA_SOC...
  */
-int tegra_get_chip_type(void);
+int tegra_get_chip_sku(void);
+
+/**
+ * Returns the pure SOC (chip ID) from the HIDREV register
+ *
+ * @return	SOC ID - see CHIPID_TEGRAxx...
+ */
+int tegra_get_chip(void);
+
+/**
+ * Returns the SKU ID from the sku_info register
+ *
+ * @return	SKU ID - see SKU_ID_Txx...
+ */
+int tegra_get_sku_info(void);
+
+/* Do any chip-specific cache config */
+void config_cache(void);
diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h
index c8677bdd76..c7a696c36d 100644
--- a/arch/arm/include/asm/arch-tegra/clock.h
+++ b/arch/arm/include/asm/arch-tegra/clock.h
@@ -317,4 +317,7 @@ int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon);
 #define periphc_internal_id_isvalid(id) ((id) >= 0 && \
 		(id) < PERIPHC_COUNT)
 
+/* SoC-specific TSC init */
+void arch_timer_init(void);
+
 #endif  /* _TEGRA_CLOCK_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/tegra.h b/arch/arm/include/asm/arch-tegra/tegra.h
index bf7229d8ac..3e642e92f8 100644
--- a/arch/arm/include/asm/arch-tegra/tegra.h
+++ b/arch/arm/include/asm/arch-tegra/tegra.h
@@ -78,6 +78,7 @@ enum {
 	SKU_ID_T25		= 0x18,
 	SKU_ID_AP25E		= 0x1b,
 	SKU_ID_T25E		= 0x1c,
+	SKU_ID_T33		= 0x80,
 	SKU_ID_T30		= 0x81, /* Cardhu value */
 	SKU_ID_T114_ENG		= 0x00, /* Dalmore value, unfused */
 };
diff --git a/arch/arm/include/asm/arch-tegra114/sysctr.h b/arch/arm/include/asm/arch-tegra114/sysctr.h
new file mode 100644
index 0000000000..c05e2c3281
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra114/sysctr.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TEGRA114_SYSCTR_H_
+#define _TEGRA114_SYSCTR_H_
+
+struct sysctr_ctlr {
+	u32 cntcr;		/* 0x00: SYSCTR0_CNTCR Counter Control */
+	u32 cntsr;		/* 0x04: SYSCTR0_CNTSR Counter Status */
+	u32 cntcv0;		/* 0x08: SYSCTR0_CNTCV0 Counter Count 31:00 */
+	u32 cntcv1;		/* 0x0C: SYSCTR0_CNTCV1 Counter Count 63:32 */
+	u32 reserved1[4];	/* 0x10 - 0x1C */
+	u32 cntfid0;		/* 0x20: SYSCTR0_CNTFID0 Freq Table Entry */
+	u32 cntfid1;		/* 0x24: SYSCTR0_CNTFID1 Freq Table End */
+	u32 reserved2[1002];	/* 0x28 - 0xFCC */
+	u32 counterid[12];	/* 0xFD0 - 0xFxx CounterID regs, RO */
+};
+
+#define TSC_CNTCR_ENABLE	(1 << 0)	/* Enable */
+#define TSC_CNTCR_HDBG		(1 << 1)	/* Halt on debug */
+
+#endif	/* _TEGRA114_SYSCTR_H_ */
diff --git a/arch/arm/include/asm/arch-tegra114/tegra.h b/arch/arm/include/asm/arch-tegra114/tegra.h
index a3d12d6cd0..5d426b524a 100644
--- a/arch/arm/include/asm/arch-tegra114/tegra.h
+++ b/arch/arm/include/asm/arch-tegra114/tegra.h
@@ -18,6 +18,7 @@
 #define _TEGRA114_H_
 
 #define NV_PA_SDRAM_BASE	0x80000000	/* 0x80000000 for real T114 */
+#define NV_PA_TSC_BASE		0x700F0000	/* System Counter TSC regs */
 
 #include <asm/arch-tegra/tegra.h>
 
diff --git a/board/avionic-design/dts/tegra20-tamonten.dtsi b/board/avionic-design/dts/tegra20-tamonten.dtsi
index 86c7bab160..f379622c94 100644
--- a/board/avionic-design/dts/tegra20-tamonten.dtsi
+++ b/board/avionic-design/dts/tegra20-tamonten.dtsi
@@ -279,6 +279,17 @@
 		status = "okay";
 	};
 
+	nand-controller@70008000 {
+		nvidia,wp-gpios = <&gpio 23 0>; /* PC7 */
+		nvidia,width = <8>;
+		nvidia,timing = <26 100 20 80 20 10 12 10 70>;
+
+		nand@0 {
+			reg = <0>;
+			compatible = "hynix,hy27uf4g2b", "nand-flash";
+		};
+	};
+
 	i2c@7000c000 {
 		clock-frequency = <400000>;
 		status = "okay";
diff --git a/board/avionic-design/dts/tegra20-tec.dts b/board/avionic-design/dts/tegra20-tec.dts
index 1d7cf89eb6..4c1b08d768 100644
--- a/board/avionic-design/dts/tegra20-tec.dts
+++ b/board/avionic-design/dts/tegra20-tec.dts
@@ -32,17 +32,6 @@
 		clock-frequency = <216000000>;
 	};
 
-	nand-controller@70008000 {
-		nvidia,wp-gpios = <&gpio 23 0>; /* PC7 */
-		nvidia,width = <8>;
-		nvidia,timing = <26 100 20 80 20 10 12 10 70>;
-
-		nand@0 {
-			reg = <0>;
-			compatible = "hynix,hy27uf4g2b", "nand-flash";
-		};
-	};
-
 	i2c@7000c000 {
 		status = "disabled";
 	};
diff --git a/board/nvidia/common/emc.c b/board/nvidia/common/emc.c
index 26b6ec7c3b..87d7aa25b7 100644
--- a/board/nvidia/common/emc.c
+++ b/board/nvidia/common/emc.c
@@ -40,7 +40,7 @@ int board_emc_init(void)
 {
 	unsigned rate;
 
-	switch (tegra_get_chip_type()) {
+	switch (tegra_get_chip_sku()) {
 	default:
 	case TEGRA_SOC_T20:
 		rate  = EMC_SDRAM_RATE_T20;
diff --git a/board/nvidia/dts/tegra30-beaver.dts b/board/nvidia/dts/tegra30-beaver.dts
new file mode 100644
index 0000000000..836169f4a9
--- /dev/null
+++ b/board/nvidia/dts/tegra30-beaver.dts
@@ -0,0 +1,71 @@
+/dts-v1/;
+
+#include "tegra30.dtsi"
+
+/ {
+	model = "NVIDIA Beaver";
+	compatible = "nvidia,beaver", "nvidia,tegra30";
+
+	aliases {
+		i2c0 = "/i2c@7000d000";
+		i2c1 = "/i2c@7000c000";
+		i2c2 = "/i2c@7000c400";
+		i2c3 = "/i2c@7000c500";
+		i2c4 = "/i2c@7000c700";
+		sdhci0 = "/sdhci@78000600";
+		sdhci1 = "/sdhci@78000000";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x7ff00000>;
+	};
+
+	i2c@7000c000 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@7000c400 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@7000c500 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@7000c700 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <100000>;
+	};
+
+	spi@7000da00 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+		spi-flash@1 {
+			compatible = "winbond,w25q32";
+			reg = <1>;
+			spi-max-frequency = <20000000>;
+		};
+	};
+
+	sdhci@78000000 {
+		status = "okay";
+		cd-gpios = <&gpio 69 1>; /* gpio PI5 */
+		wp-gpios = <&gpio 155 0>; /* gpio PT3 */
+		power-gpios = <&gpio 31 0>; /* gpio PD7 */
+		bus-width = <4>;
+	};
+
+	sdhci@78000600 {
+		status = "okay";
+		bus-width = <8>;
+	};
+};
diff --git a/board/samsung/dts/exynos5250-snow.dts b/board/samsung/dts/exynos5250-snow.dts
index 8b303bf4e4..24658c1989 100644
--- a/board/samsung/dts/exynos5250-snow.dts
+++ b/board/samsung/dts/exynos5250-snow.dts
@@ -55,4 +55,18 @@
 			compatible = "maxim,max77686_pmic";
 		};
 	};
+
+	tmu@10060000 {
+		samsung,min-temp	= <25>;
+		samsung,max-temp	= <125>;
+		samsung,start-warning	= <95>;
+		samsung,start-tripping	= <105>;
+		samsung,hw-tripping	= <110>;
+		samsung,efuse-min-value	= <40>;
+		samsung,efuse-value	= <55>;
+		samsung,efuse-max-value	= <100>;
+		samsung,slope		= <274761730>;
+		samsung,dc-value	= <25>;
+	};
+
 };
diff --git a/board/samsung/smdk5250/spl_boot.c b/board/samsung/smdk5250/spl_boot.c
index d8f3c1e184..c0bcf460f1 100644
--- a/board/samsung/smdk5250/spl_boot.c
+++ b/board/samsung/smdk5250/spl_boot.c
@@ -32,6 +32,21 @@ enum boot_mode {
 };
 
 	typedef u32 (*spi_copy_func_t)(u32 offset, u32 nblock, u32 dst);
+	typedef u32 (*usb_copy_func_t)(void);
+
+/*
+ * Set/clear program flow prediction and return the previous state.
+ */
+static int config_branch_prediction(int set_cr_z)
+{
+	unsigned int cr;
+
+	/* System Control Register: 11th bit Z Branch prediction enable */
+	cr = get_cr();
+	set_cr(set_cr_z ? cr | CR_Z : cr & ~CR_Z);
+
+	return cr & CR_Z;
+}
 
 /*
 * Copy U-boot from mmc to RAM:
@@ -41,10 +56,20 @@ enum boot_mode {
 void copy_uboot_to_ram(void)
 {
 	spi_copy_func_t spi_copy;
-	enum boot_mode bootmode;
+	usb_copy_func_t usb_copy;
+
+	int is_cr_z_set;
+	unsigned int sec_boot_check;
+	enum boot_mode bootmode = BOOT_MODE_OM;
 	u32 (*copy_bl2)(u32, u32, u32);
 
-	bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT;
+	/* Read iRAM location to check for secondary USB boot mode */
+	sec_boot_check = readl(EXYNOS_IRAM_SECONDARY_BASE);
+	if (sec_boot_check == EXYNOS_USB_SECONDARY_BOOT)
+		bootmode = BOOT_MODE_USB;
+
+	if (bootmode == BOOT_MODE_OM)
+		bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT;
 
 	switch (bootmode) {
 	case BOOT_MODE_SERIAL:
@@ -57,6 +82,17 @@ void copy_uboot_to_ram(void)
 		copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT,
 						CONFIG_SYS_TEXT_BASE);
 		break;
+	case BOOT_MODE_USB:
+		/*
+		 * iROM needs program flow prediction to be disabled
+		 * before copy from USB device to RAM
+		 */
+		is_cr_z_set = config_branch_prediction(0);
+		usb_copy = *(usb_copy_func_t *)
+				EXYNOS_COPY_USB_FNPTR_ADDR;
+		usb_copy();
+		config_branch_prediction(is_cr_z_set);
+		break;
 	default:
 		break;
 	}
diff --git a/boards.cfg b/boards.cfg
index f785da8766..31483d623f 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -311,6 +311,7 @@ seaboard                     arm         armv7:arm720t seaboard          nvidia
 ventana                      arm         armv7:arm720t ventana           nvidia         tegra20
 whistler                     arm         armv7:arm720t whistler          nvidia         tegra20
 cardhu                       arm         armv7:arm720t cardhu            nvidia         tegra30
+beaver                       arm         armv7:arm720t cardhu            nvidia         tegra30
 dalmore                      arm         armv7:arm720t dalmore           nvidia         tegra114
 colibri_t20_iris             arm         armv7:arm720t colibri_t20_iris  toradex        tegra20
 u8500_href                   arm         armv7       u8500               st-ericsson    u8500
diff --git a/include/configs/beaver.h b/include/configs/beaver.h
new file mode 100644
index 0000000000..058da4fa13
--- /dev/null
+++ b/include/configs/beaver.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/sizes.h>
+
+#include "tegra30-common.h"
+
+/* Enable fdt support for Beaver. Flash the image in u-boot-dtb.bin */
+#define CONFIG_DEFAULT_DEVICE_TREE	tegra30-beaver
+#define CONFIG_OF_CONTROL
+#define CONFIG_OF_SEPARATE
+
+/* High-level configuration options */
+#define V_PROMPT		"Tegra30 (Beaver) # "
+#define CONFIG_TEGRA_BOARD_STRING	"NVIDIA Beaver"
+
+/* Board-specific serial config */
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_TEGRA_ENABLE_UARTA
+#define CONFIG_SYS_NS16550_COM1		NV_PA_APB_UARTA_BASE
+
+#define MACH_TYPE_BEAVER		4597	/* not yet in mach-types.h */
+#define CONFIG_MACH_TYPE		MACH_TYPE_BEAVER
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* I2C */
+#define CONFIG_TEGRA_I2C
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_MAX_I2C_BUS		TEGRA_I2C_NUM_CONTROLLERS
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_CMD_I2C
+
+/* SD/MMC */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_TEGRA_MMC
+#define CONFIG_CMD_MMC
+
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET		((1024 * 1024) - CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		2
+
+/* SPI */
+#define CONFIG_TEGRA20_SLINK
+#define CONFIG_TEGRA_SLINK_CTRLS       6
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_MODE         SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED        24000000
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH_SIZE          (4 << 20)
+
+#include "tegra-common-post.h"
+
+#endif /* __CONFIG_H */
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 3aed696c2e..4514e7a225 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -134,6 +134,11 @@
 #define CONFIG_USB_EHCI_EXYNOS
 #define CONFIG_USB_STORAGE
 
+/* USB boot mode */
+#define EXYNOS_COPY_USB_FNPTR_ADDR	0x02020070
+#define EXYNOS_USB_SECONDARY_BOOT	0xfeed0002
+#define EXYNOS_IRAM_SECONDARY_BASE	0x02020018
+
 /* MMC SPL */
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR	0x02020030
diff --git a/include/configs/medcom-wide.h b/include/configs/medcom-wide.h
index 57a50d730c..eebf385bf3 100644
--- a/include/configs/medcom-wide.h
+++ b/include/configs/medcom-wide.h
@@ -44,14 +44,21 @@
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_BOARD_LATE_INIT
 
-#define CONFIG_ENV_IS_NOWHERE
-
 /* SD/MMC */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC
 #define CONFIG_TEGRA_MMC
 #define CONFIG_CMD_MMC
 
+/* NAND support */
+#define CONFIG_CMD_NAND
+#define CONFIG_TEGRA_NAND
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+
+/* Environment in NAND, aligned to start of last sector */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		(SZ_512M - SZ_128K) /* 128K sectors */
+
 /* USB host support */
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_TEGRA
@@ -66,13 +73,6 @@
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP
 
-#define CONFIG_FIT
-
-#define CONFIG_BOOTCOMMAND				\
-	"mmc rescan;"					\
-	"ext2load mmc 0 0x17000000 /boot/uImage;"	\
-	"bootm"
-
 /* LCD support */
 #define CONFIG_LCD
 #define CONFIG_PWM_TEGRA
@@ -80,6 +80,9 @@
 #define LCD_BPP LCD_COLOR16
 #define CONFIG_SYS_WHITE_ON_BLACK
 
+/* support the new (FDT-based) image format */
+#define CONFIG_FIT
+
 #include "tegra-common-post.h"
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/plutux.h b/include/configs/plutux.h
index 4cfe88a5e7..25ee83a6cf 100644
--- a/include/configs/plutux.h
+++ b/include/configs/plutux.h
@@ -42,8 +42,7 @@
 #define CONFIG_SYS_NS16550_COM1		NV_PA_APB_UARTD_BASE
 
 #define CONFIG_BOARD_EARLY_INIT_F
-
-#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_BOARD_LATE_INIT
 
 /* SD/MMC */
 #define CONFIG_MMC
@@ -51,6 +50,15 @@
 #define CONFIG_TEGRA_MMC
 #define CONFIG_CMD_MMC
 
+/* NAND support */
+#define CONFIG_CMD_NAND
+#define CONFIG_TEGRA_NAND
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+
+/* Environment in NAND, aligned to start of last sector */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		(SZ_512M - SZ_128K) /* 128K sectors */
+
 /* USB host support */
 #define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_TEGRA
@@ -65,13 +73,9 @@
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP
 
+/* support the new (FDT-based) image format */
 #define CONFIG_FIT
 
-#define CONFIG_BOOTCOMMAND				\
-	"mmc rescan;"					\
-	"ext2load mmc 0 0x17000000 /boot/uImage;"	\
-	"bootm"
-
 #include "tegra-common-post.h"
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/tec.h b/include/configs/tec.h
index f90f5c7526..f280cc0d3b 100644
--- a/include/configs/tec.h
+++ b/include/configs/tec.h
@@ -73,13 +73,6 @@
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP
 
-#define CONFIG_FIT
-
-#define CONFIG_BOOTCOMMAND				\
-	"mmc rescan;"					\
-	"ext2load mmc 0 0x17000000 /boot/uImage;"	\
-	"bootm"
-
 /* LCD support */
 #define CONFIG_LCD
 #define CONFIG_PWM_TEGRA
@@ -87,6 +80,9 @@
 #define LCD_BPP LCD_COLOR16
 #define CONFIG_SYS_WHITE_ON_BLACK
 
+/* support the new (FDT-based) image format */
+#define CONFIG_FIT
+
 #include "tegra-common-post.h"
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/tegra-common.h b/include/configs/tegra-common.h
index e9241b8dff..cb9e7c383d 100644
--- a/include/configs/tegra-common.h
+++ b/include/configs/tegra-common.h
@@ -168,7 +168,9 @@
 #define CONFIG_SPL_GPIO_SUPPORT
 
 #define CONFIG_SYS_GENERIC_BOARD
+
 /* Misc utility code */
 #define CONFIG_BOUNCE_BUFFER
+#define CONFIG_CRC32_VERIFY
 
 #endif /* _TEGRA_COMMON_H_ */