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

Conflicts:
	drivers/spi/Makefile

Signed-off-by: Wolfgang Denk <wd@denx.de>

3 files changed, 76 insertions, 14 deletions

diff --git a/cpu/arm1136/mx31/Makefile b/cpu/arm1136/mx31/Makefile
index 1e49e8d..c8e18f7 100644
--- a/cpu/arm1136/mx31/Makefile
+++ b/cpu/arm1136/mx31/Makefile
@@ -27,6 +27,7 @@ LIB	= $(obj)lib$(SOC).a
 
 COBJS	+= generic.o
 COBJS	+= timer.o
+COBJS	+= devices.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/arm1136/mx31/devices.c b/cpu/arm1136/mx31/devices.c
new file mode 100644
index 0000000..1f4ca7e
--- /dev/null
+++ b/cpu/arm1136/mx31/devices.c
@@ -0,0 +1,56 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/mx31-regs.h>
+#include <asm/arch/mx31.h>
+
+#ifdef CONFIG_SYS_MX31_UART1
+void mx31_uart1_hw_init(void)
+{
+	/* setup pins for UART1 */
+	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+}
+#endif
+
+#ifdef CONFIG_MXC_SPI
+void mx31_spi2_hw_init(void)
+{
+	/* SPI2 */
+	mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
+	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
+	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
+	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
+	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
+	mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
+
+	/* start SPI2 clock */
+	__REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
+}
+#endif
diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S
index 999b184..957f438 100644
--- a/cpu/arm1136/start.S
+++ b/cpu/arm1136/start.S
@@ -32,7 +32,7 @@
 #include <version.h>
 .globl _start
 _start: b	reset
-#ifdef CONFIG_ONENAND_IPL
+#ifdef CONFIG_PRELOADER
 	ldr	pc, _hang
 	ldr	pc, _hang
 	ldr	pc, _hang
@@ -67,7 +67,7 @@ _not_used:		.word not_used
 _irq:			.word irq
 _fiq:			.word fiq
 _pad:			.word 0x12345678 /* now 16*4=64 */
-#endif	/* CONFIG_ONENAND_IPL */
+#endif	/* CONFIG_PRELOADER */
 .global _end_vect
 _end_vect:
 
@@ -156,9 +156,9 @@ relocate:				/* relocate U-Boot to RAM	    */
 	adr	r0, _start		/* r0 <- current position of code   */
 	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
 	cmp	r0, r1			/* don't reloc during debug	    */
-#ifndef CONFIG_ONENAND_IPL
+#ifndef CONFIG_PRELOADER
 	beq	stack_setup
-#endif	/* CONFIG_ONENAND_IPL */
+#endif	/* CONFIG_PRELOADER */
 
 	ldr	r2, _armboot_start
 	ldr	r3, _bss_start
@@ -175,7 +175,7 @@ copy_loop:
 	/* Set up the stack						    */
 stack_setup:
 	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
-#ifdef CONFIG_ONENAND_IPL
+#ifdef CONFIG_PRELOADER
 	sub	sp, r0, #128		/* leave 32 words for abort-stack   */
 #else
 	sub	r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area			    */
@@ -184,14 +184,14 @@ stack_setup:
 	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
 #endif
 	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
-#endif	/* CONFIG_ONENAND_IPL */
+#endif	/* CONFIG_PRELOADER */
 
 clear_bss:
 	ldr	r0, _bss_start		/* find start of bss segment	    */
 	ldr	r1, _bss_end		/* stop here			    */
 	mov	r2, #0x00000000		/* clear			    */
 
-#ifndef CONFIG_ONENAND_IPL
+#ifndef CONFIG_PRELOADER
 clbss_l:str	r2, [r0]		/* clear loop...		    */
 	add	r0, r0, #4
 	cmp	r0, r1
@@ -200,12 +200,15 @@ clbss_l:str	r2, [r0]		/* clear loop...		    */
 
 	ldr	pc, _start_armboot
 
+#ifdef CONFIG_NAND_SPL
+_start_armboot: .word nand_boot
+#else
 #ifdef CONFIG_ONENAND_IPL
 _start_armboot: .word start_oneboot
 #else
 _start_armboot: .word start_armboot
-#endif
-
+#endif /* CONFIG_ONENAND_IPL */
+#endif /* CONFIG_NAND_SPL */
 
 /*
  *************************************************************************
@@ -217,6 +220,7 @@ _start_armboot: .word start_armboot
  *
  *************************************************************************
  */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 cpu_init_crit:
 	/*
 	 * flush v4 I/D caches
@@ -243,8 +247,9 @@ cpu_init_crit:
 	bl	lowlevel_init	/* go setup pll,mux,memory */
 	mov	lr, ip		/* restore link */
 	mov	pc, lr		/* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
 
-#ifndef CONFIG_ONENAND_IPL
+#ifndef CONFIG_PRELOADER
 /*
  *************************************************************************
  *
@@ -357,17 +362,17 @@ cpu_init_crit:
 	.macro get_fiq_stack			@ setup FIQ stack
 	ldr	sp, FIQ_STACK_START
 	.endm
-#endif	/* CONFIG_ONENAND_IPL */
+#endif	/* CONFIG_PRELOADER */
 
 /*
  * exception handlers
  */
-#ifdef CONFIG_ONENAND_IPL
+#ifdef CONFIG_PRELOADER
 	.align	5
 do_hang:
 	ldr	sp, _TEXT_BASE			/* use 32 words about stack */
 	bl	hang				/* hang and never return */
-#else	/* !CONFIG_ONENAND IPL */
+#else	/* !CONFIG_PRELOADER */
 	.align	5
 undefined_instruction:
 	get_bad_stack
@@ -435,4 +440,4 @@ fiq:
 arm1136_cache_flush:
 		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
 		mov	pc, lr			@ back to caller
-#endif	/* CONFIG_ONENAND_IPL */
+#endif	/* CONFIG_PRELOADER */