Merge branch 'master' of ../master into next

5 files changed, 69 insertions, 60 deletions

diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
index f699f4d..c1822b7 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
@@ -204,6 +204,11 @@ void at91_macb_hw_init(void)
 #else
 	at91_set_b_periph(AT91_PIO_PORTA, 23, 0);	/* ETX2 */
 	at91_set_b_periph(AT91_PIO_PORTA, 24, 0);	/* ETX3 */
+#if defined(CONFIG_AT91SAM9G20)
+	/* 9G20 BOOT ROM initializes those pins to multi-drive, undo that */
+	at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 0);
+	at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 0);
+#endif
 #endif
 	at91_set_b_periph(AT91_PIO_PORTA, 22, 0);	/* ETXER */
 #endif
diff --git a/arch/arm/cpu/arm926ejs/davinci/timer.c b/arch/arm/cpu/arm926ejs/davinci/timer.c
index 9da7443..1c6fa4a 100644
--- a/arch/arm/cpu/arm926ejs/davinci/timer.c
+++ b/arch/arm/cpu/arm926ejs/davinci/timer.c
@@ -40,6 +40,8 @@
 #include <common.h>
 #include <asm/io.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 struct davinci_timer {
 	u_int32_t	pid12;
 	u_int32_t	emumgt;
@@ -57,11 +59,9 @@ struct davinci_timer {
 static struct davinci_timer * const timer =
 	(struct davinci_timer *)CONFIG_SYS_TIMERBASE;
 
-#define TIMER_LOAD_VAL	(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ)
-#define TIM_CLK_DIV	16
+#define TIMER_LOAD_VAL	0xffffffff
 
-static ulong timestamp;
-static ulong lastinc;
+#define TIM_CLK_DIV	16
 
 int timer_init(void)
 {
@@ -71,72 +71,51 @@ int timer_init(void)
 	writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr);
 	writel(0x0, &timer->tim34);
 	writel(TIMER_LOAD_VAL, &timer->prd34);
-	lastinc = 0;
-	timestamp = 0;
 	writel(2 << 22, &timer->tcr);
+	gd->timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
+	gd->timer_reset_value = 0;
 
 	return(0);
 }
 
 void reset_timer(void)
 {
-	writel(0x0, &timer->tcr);
-	writel(0x0, &timer->tim34);
-	lastinc = 0;
-	timestamp = 0;
-	writel(2 << 22, &timer->tcr);
+	gd->timer_reset_value = get_ticks();
 }
 
-static ulong get_timer_raw(void)
+/*
+ * Get the current 64 bit timer tick count
+ */
+unsigned long long get_ticks(void)
 {
-	ulong now = readl(&timer->tim34);
-
-	if (now >= lastinc) {
-		/* normal mode */
-		timestamp += now - lastinc;
-	} else {
-		/* overflow ... */
-		timestamp += now + TIMER_LOAD_VAL - lastinc;
-	}
-	lastinc = now;
-	return timestamp;
+	unsigned long now = readl(&timer->tim34);
+
+	/* increment tbu if tbl has rolled over */
+	if (now < gd->tbl)
+		gd->tbu++;
+	gd->tbl = now;
+
+	return (((unsigned long long)gd->tbu) << 32) | gd->tbl;
 }
 
 ulong get_timer(ulong base)
 {
-	return((get_timer_raw() / (TIMER_LOAD_VAL / TIM_CLK_DIV)) - base);
-}
+	unsigned long long timer_diff;
 
-void set_timer(ulong t)
-{
-	timestamp = t;
+	timer_diff = get_ticks() - gd->timer_reset_value;
+
+	return (timer_diff / (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base;
 }
 
 void __udelay(unsigned long usec)
 {
-	ulong tmo;
-	ulong endtime;
-	signed long diff;
-
-	tmo = CONFIG_SYS_HZ_CLOCK / 1000;
-	tmo *= usec;
-	tmo /= (1000 * TIM_CLK_DIV);
-
-	endtime = get_timer_raw() + tmo;
+	unsigned long long endtime;
 
-	do {
-		ulong now = get_timer_raw();
-		diff = endtime - now;
-	} while (diff >= 0);
-}
+	endtime = ((unsigned long long)usec * gd->timer_rate_hz) / 1000000UL;
+	endtime += get_ticks();
 
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
-	return(get_timer(0));
+	while (get_ticks() < endtime)
+		;
 }
 
 /*
diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
index b80a389..c6e1146 100644
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -260,4 +260,16 @@ void mx25_fec_init_pins (void)
 	writel (outpadctl, &padctl->pad_fec_tdata1);
 
 }
+
+void imx_get_mac_from_fuse(unsigned char *mac)
+{
+	int i;
+	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+	struct fuse_bank *bank = &iim->bank[0];
+	struct fuse_bank0_regs *fuse =
+			(struct fuse_bank0_regs *)bank->fuse_regs;
+
+	for (i = 0; i < 6; i++)
+		mac[i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
 #endif /* CONFIG_FEC_MXC */
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index ae2ce58..27642bf 100644
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -313,6 +313,18 @@ void mx27_fec_init_pins(void)
 	for (i = 0; i < ARRAY_SIZE(mode); i++)
 		imx_gpio_mode(mode[i]);
 }
+
+void imx_get_mac_from_fuse(unsigned char *mac)
+{
+	int i;
+	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+	struct fuse_bank *bank = &iim->bank[0];
+	struct fuse_bank0_regs *fuse =
+			(struct fuse_bank0_regs *)bank->fuse_regs;
+
+	for (i = 0; i < 6; i++)
+		mac[6 - 1 - i] = readl(&fuse->mac_addr[i]) & 0xff;
+}
 #endif /* CONFIG_FEC_MXC */
 
 #ifdef CONFIG_MXC_MMC
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 6dcc9b4..5519252 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -174,6 +174,7 @@ reset:
 /* Set stackpointer in internal RAM to call board_init_f */
 call_board_init_f:
 	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
 	ldr	r0,=0x00000000
 	bl	board_init_f
 
@@ -191,22 +192,22 @@ relocate_code:
 	mov	r4, r0	/* save addr_sp */
 	mov	r5, r1	/* save addr of gd */
 	mov	r6, r2	/* save addr of destination */
-	mov	r7, r2	/* save addr of destination */
 
 	/* Set up the stack						    */
 stack_setup:
 	mov	sp, r4
 
 	adr	r0, _start
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	mov	r1, r6			/* r1 <- scratch for copy loop */
 	ldr	r2, _TEXT_BASE
 	ldr	r3, _bss_start_ofs
 	add	r2, r0, r3		/* r2 <- source end address	    */
-	cmp	r0, r6
-	beq	clear_bss
 
 copy_loop:
 	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
-	stmia	r6!, {r9-r10}		/* copy to   target address [r1]    */
+	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
 	cmp	r0, r2			/* until source end address [r2]    */
 	blo	copy_loop
 
@@ -215,7 +216,7 @@ copy_loop:
 	 * fix .rel.dyn relocations
 	 */
 	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
-	sub	r9, r7, r0		/* r9 <- relocation offset */
+	sub	r9, r6, r0		/* r9 <- relocation offset */
 	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
 	add	r10, r10, r0		/* r10 <- sym table in FLASH */
 	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
@@ -226,10 +227,10 @@ fixloop:
 	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
 	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
 	ldr	r1, [r2, #4]
-	and	r8, r1, #0xff
-	cmp	r8, #23			/* relative fixup? */
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
 	beq	fixrel
-	cmp	r8, #2			/* absolute fixup? */
+	cmp	r7, #2			/* absolute fixup? */
 	beq	fixabs
 	/* ignore unknown type of fixup */
 	b	fixnext
@@ -238,7 +239,7 @@ fixabs:
 	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
 	add	r1, r10, r1		/* r1 <- address of symbol in table */
 	ldr	r1, [r1, #4]		/* r1 <- symbol value */
-	add	r1, r9			/* r1 <- relocated sym addr */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
 	b	fixnext
 fixrel:
 	/* relative fix: increase location by offset */
@@ -256,7 +257,7 @@ clear_bss:
 	ldr	r0, _bss_start_ofs
 	ldr	r1, _bss_end_ofs
 	ldr	r3, _TEXT_BASE		/* Text base */
-	mov	r4, r7			/* reloc addr */
+	mov	r4, r6			/* reloc addr */
 	add	r0, r0, r4
 	add	r1, r1, r4
 	mov	r2, #0x00000000		/* clear			    */
@@ -287,7 +288,7 @@ _nand_boot_ofs:
 	add	lr, lr, r9
 	/* setup parameters for board_init_r */
 	mov	r0, r5		/* gd_t */
-	mov	r1, r7		/* dest_addr */
+	mov	r1, r6		/* dest_addr */
 	/* jump to it ... */
 	mov	pc, lr