Merge remote-tracking branch 'u-boot-imx/master'

The single file conflict below is actually trivial. Conflicts: board/boundary/nitrogen6x/nitrogen6x.c
mugunthanvnm · Oct 8, 2014 · 4b19b74 · 4b19b74
2 parents c19a8bc + 5e3a388
commit 4b19b74
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Showing 57 changed files with 3,115 additions and 339 deletions.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
@@ -414,6 +414,9 @@ config TARGET_HUMMINGBOARD
 config TARGET_TQMA6
 	bool "TQ Systems TQMa6 board"
 
+config TARGET_OT1200
+	bool "Bachmann OT1200"
+
 config OMAP34XX
 	bool "OMAP34XX SoC"
 
@@ -583,6 +586,7 @@ source "board/atmel/at91sam9rlek/Kconfig"
 source "board/atmel/at91sam9x5ek/Kconfig"
 source "board/atmel/sama5d3_xplained/Kconfig"
 source "board/atmel/sama5d3xek/Kconfig"
+source "board/bachmann/ot1200/Kconfig"
 source "board/balloon3/Kconfig"
 source "board/barco/titanium/Kconfig"
 source "board/bluegiga/apx4devkit/Kconfig"

diff --git a/arch/arm/cpu/arm1136/mx31/timer.c b/arch/arm/cpu/arm1136/mx31/timer.c
@@ -7,9 +7,6 @@
 
 #include <common.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-#include <div64.h>
-#include <watchdog.h>
 #include <asm/io.h>
 
 #define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
@@ -28,57 +25,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-
-#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, MXC_CLK32);
-	return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
-	time *= MXC_CLK32;
-	do_div(time, CONFIG_SYS_HZ);
-	return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
-	us = us * MXC_CLK32 + 999999;
-	do_div(us, 1000000);
-	return us;
-}
-#else
-/* ~2% error */
-#define TICK_PER_TIME	((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
-#define US_PER_TICK	(1000000 / MXC_CLK32)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	do_div(tick, TICK_PER_TIME);
-	return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
-	return time * TICK_PER_TIME;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
-	us += US_PER_TICK - 1;
-	do_div(us, US_PER_TICK);
-	return us;
-}
-#endif
-
 /* The 32768Hz 32-bit timer overruns in 131072 seconds */
 int timer_init(void)
 {
@@ -95,53 +41,7 @@ int timer_init(void)
 	return 0;
 }
 
-unsigned long long get_ticks(void)
-{
-	ulong now = GPTCNT; /* current tick value */
-
-	if (now >= gd->arch.lastinc)	/* normal mode (non roll) */
-		/* move stamp forward with absolut diff ticks */
-		gd->arch.tbl += (now - gd->arch.lastinc);
-	else			/* we have rollover of incrementer */
-		gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
-	gd->arch.lastinc = now;
-	return gd->arch.tbl;
-}
-
-ulong get_timer_masked(void)
-{
-	/*
-	 * get_ticks() returns a long long (64 bit), it wraps in
-	 * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
-	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
-	 * 5 * 10^6 days - long enough.
-	 */
-	return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timestamp value */
-void __udelay(unsigned long usec)
-{
-	unsigned long long tmp;
-	ulong tmo;
-
-	tmo = us_to_tick(usec);
-	tmp = get_ticks() + tmo;	/* get current timestamp */
-
-	while (get_ticks() < tmp)	/* loop till event */
-		 /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
+unsigned long timer_read_counter(void)
 {
-	return MXC_CLK32;
+	return GPTCNT;
 }
diff --git a/arch/arm/cpu/arm1136/mx35/timer.c b/arch/arm/cpu/arm1136/mx35/timer.c
@@ -9,43 +9,17 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <div64.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/crm_regs.h>
-#include <asm/arch/clock.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define timestamp	(gd->arch.tbl)
-#define lastinc		(gd->arch.lastinc)
-
 /* General purpose timers bitfields */
 #define GPTCR_SWR       (1<<15)	/* Software reset */
 #define GPTCR_FRR       (1<<9)	/* Freerun / restart */
 #define GPTCR_CLKSOURCE_32   (4<<6)	/* Clock source */
 #define GPTCR_TEN       (1)	/* Timer enable */
 
-/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, MXC_CLK32);
-
-	return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
-	us = us * MXC_CLK32 + 999999;
-	do_div(us, 1000000);
-
-	return us;
-}
-
 /*
  * nothing really to do with interrupts, just starts up a counter.
  * The 32KHz 32-bit timer overruns in 134217 seconds
@@ -71,60 +45,3 @@ int timer_init(void)
 
 	return 0;
 }
-
-unsigned long long get_ticks(void)
-{
-	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
-	ulong now = readl(&gpt->counter); /* current tick value */
-
-	if (now >= lastinc) {
-		/*
-		 * normal mode (non roll)
-		 * move stamp forward with absolut diff ticks
-		 */
-		timestamp += (now - lastinc);
-	} else {
-		/* we have rollover of incrementer */
-		timestamp += (0xFFFFFFFF - lastinc) + now;
-	}
-	lastinc = now;
-	return timestamp;
-}
-
-ulong get_timer_masked(void)
-{
-	/*
-	 * get_ticks() returns a long long (64 bit), it wraps in
-	 * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
-	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
-	 * 5 * 10^6 days - long enough.
-	 */
-	return tick_to_time(get_ticks());
-}
-
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-/* delay x useconds AND preserve advance timstamp value */
-void __udelay(unsigned long usec)
-{
-	unsigned long long tmp;
-	ulong tmo;
-
-	tmo = us_to_tick(usec);
-	tmp = get_ticks() + tmo;	/* get current timestamp */
-
-	while (get_ticks() < tmp)	/* loop till event */
-		 /*NOP*/;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-	return MXC_CLK32;
-}
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -240,9 +240,14 @@ static void mx23_mem_setup_vddmem(void)
 	struct mxs_power_regs *power_regs =
 		(struct mxs_power_regs *)MXS_POWER_BASE;
 
+	/* We must wait before and after disabling the current limiter! */
+	early_delay(10000);
+
 	clrbits_le32(&power_regs->hw_power_vddmemctrl,
 		POWER_VDDMEMCTRL_ENABLE_ILIMIT);
 
+	early_delay(10000);
+
 }
 
 static void mx23_mem_init(void)
@@ -269,7 +274,13 @@ static void mx23_mem_init(void)
 	setbits_le32(MXS_DRAM_BASE + 0x20, 1 << 16);
 
 	clrbits_le32(MXS_DRAM_BASE + 0x40, 1 << 17);
-	early_delay(20000);
+
+	/* Wait for EMI_STAT bit DRAM_HALTED */
+	for (;;) {
+		if (!(readl(MXS_EMI_BASE + 0x10) & (1 << 1)))
+			break;
+		early_delay(1000);
+	}
 
 	/* Adjust EMI port priority. */
 	clrsetbits_le32(0x80020000, 0x1f << 16, 0x2);

diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
@@ -642,6 +642,33 @@ int enable_pcie_clock(void)
 			       BM_ANADIG_PLL_ENET_ENABLE_PCIE);
 }
 
+#ifdef CONFIG_SECURE_BOOT
+void hab_caam_clock_enable(unsigned char enable)
+{
+	u32 reg;
+
+	/* CG4 ~ CG6, CAAM clocks */
+	reg = __raw_readl(&imx_ccm->CCGR0);
+	if (enable)
+		reg |= (MXC_CCM_CCGR0_CAAM_WRAPPER_IPG_MASK |
+			MXC_CCM_CCGR0_CAAM_WRAPPER_ACLK_MASK |
+			MXC_CCM_CCGR0_CAAM_SECURE_MEM_MASK);
+	else
+		reg &= ~(MXC_CCM_CCGR0_CAAM_WRAPPER_IPG_MASK |
+			MXC_CCM_CCGR0_CAAM_WRAPPER_ACLK_MASK |
+			MXC_CCM_CCGR0_CAAM_SECURE_MEM_MASK);
+	__raw_writel(reg, &imx_ccm->CCGR0);
+
+	/* EMI slow clk */
+	reg = __raw_readl(&imx_ccm->CCGR6);
+	if (enable)
+		reg |= MXC_CCM_CCGR6_EMI_SLOW_MASK;
+	else
+		reg &= ~MXC_CCM_CCGR6_EMI_SLOW_MASK;
+	__raw_writel(reg, &imx_ccm->CCGR6);
+}
+#endif
+
 unsigned int mxc_get_clock(enum mxc_clock clk)
 {
 	switch (clk) {