ARM: SPL: Convert davinci to CONFIG_SPL_FRAMEWORK

- Convert the non-relocation part of board_init_f to spl_board_init, turn on CONFIG_SPL_BOARD_INIT in the configs.
- Remove duplicated code.
- Add spl_boot_device() that returns the statically chosen boot device.

Signed-off-by: Tom Rini <trini@ti.com>

5 files changed, 83 insertions, 41 deletions

diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile
index c91928e71d..dec7bfbfaa 100644
--- a/arch/arm/cpu/arm926ejs/davinci/Makefile
+++ b/arch/arm/cpu/arm926ejs/davinci/Makefile
@@ -37,7 +37,7 @@ COBJS-$(CONFIG_SOC_DA850)	+= da850_pinmux.o
 COBJS-$(CONFIG_DRIVER_TI_EMAC)	+= lxt972.o dp83848.o et1011c.o ksz8873.o
 
 ifdef CONFIG_SPL_BUILD
-COBJS-y	+= spl.o
+COBJS-$(CONFIG_SPL_FRAMEWORK)	+= spl.o
 COBJS-$(CONFIG_SOC_DM365)	+= dm365_lowlevel.o
 COBJS-$(CONFIG_SOC_DA8XX)	+= da850_lowlevel.o
 endif
diff --git a/arch/arm/cpu/arm926ejs/davinci/config.mk b/arch/arm/cpu/arm926ejs/davinci/config.mk
new file mode 100644
index 0000000000..745231547d
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/davinci/config.mk
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2012, Texas Instruments, Incorporated - http://www.ti.com/
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed "as is" WITHOUT ANY WARRANTY of any
+# kind, whether express or implied; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+ifndef CONFIG_SPL_BUILD
+ALL-$(CONFIG_SPL_FRAMEWORK)	+= $(obj)u-boot.ais
+endif
diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c
index 03c85c87fb..714fa92846 100644
--- a/arch/arm/cpu/arm926ejs/davinci/spl.c
+++ b/arch/arm/cpu/arm926ejs/davinci/spl.c
@@ -21,6 +21,8 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <config.h>
+#include <spl.h>
 #include <asm/u-boot.h>
 #include <asm/utils.h>
 #include <nand.h>
@@ -30,15 +32,9 @@
 #include <spi_flash.h>
 #include <mmc.h>
 
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-
 DECLARE_GLOBAL_DATA_PTR;
-/* Define global data structure pointer to it*/
-static gd_t gdata __attribute__ ((section(".data")));
-static bd_t bdata __attribute__ ((section(".data")));
-
-#else
 
+#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
 void puts(const char *str)
 {
 	while (*str)
@@ -52,53 +48,49 @@ void putc(char c)
 
 	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
 }
-
 #endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
 
-inline void hang(void)
-{
-	puts("### ERROR ### Please RESET the board ###\n");
-	for (;;)
-		;
-}
-
 void board_init_f(ulong dummy)
 {
+	/* First, setup our stack pointer. */
+	asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK));
+
+	/* Second, perform our low-level init. */
 #ifdef CONFIG_SOC_DM365
 	dm36x_lowlevel_init(0);
 #endif
 #ifdef CONFIG_SOC_DA8XX
 	arch_cpu_init();
 #endif
-	relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE);
-}
 
-void board_init_r(gd_t *id, ulong dummy)
-{
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-	mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
-			CONFIG_SYS_MALLOC_LEN);
+	/* Third, we clear the BSS. */
+	memset(__bss_start, 0, __bss_end__ - __bss_start);
 
+	/* Finally, setup gd and move to the next step. */
 	gd = &gdata;
-	gd->bd = &bdata;
-	gd->flags |= GD_FLG_RELOC;
-	gd->baudrate = CONFIG_BAUDRATE;
-	serial_init();          /* serial communications setup */
-	gd->have_console = 1;
+	board_init_r(NULL, 0);
+}
 
-#endif
+void spl_board_init(void)
+{
+	preloader_console_init();
+}
 
-#ifdef CONFIG_SPL_NAND_LOAD
-	nand_init();
-	puts("Nand boot...\n");
-	nand_boot();
-#endif
-#ifdef CONFIG_SPL_SPI_LOAD
-	puts("SPI boot...\n");
-	spi_boot();
-#endif
-#ifdef CONFIG_SPL_MMC_LOAD
-	puts("MMC boot...\n");
-	spl_mmc_load();
+u32 spl_boot_mode(void)
+{
+	return MMCSD_MODE_RAW;
+}
+
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SPL_NAND_SIMPLE
+	return BOOT_DEVICE_NAND;
+#elif defined(CONFIG_SPL_SPI_LOAD)
+	return BOOT_DEVICE_SPI;
+#elif defined(CONFIG_SPL_MMC_LOAD)
+	return BOOT_DEVICE_MMC1;
+#else
+	puts("Unknown boot device\n");
+	hang();
 #endif
 }
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 6f05f1ac49..521d46290c 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -215,6 +215,7 @@ call_board_init_f:
 
 /*------------------------------------------------------------------------------*/
 
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_NAND_SPL)
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
  *
@@ -344,6 +345,7 @@ _rel_dyn_end_ofs:
 	.word __rel_dyn_end - _start
 _dynsym_start_ofs:
 	.word __dynsym_start - _start
+#endif
 
 /*
  *************************************************************************
diff --git a/arch/arm/include/asm/arch-davinci/spl.h b/arch/arm/include/asm/arch-davinci/spl.h
new file mode 100644
index 0000000000..fb01db02cf
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/spl.h
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2012
+ * Texas Instruments, <www.ti.com>
+ *
+ * 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
+ */
+#ifndef	_ASM_ARCH_SPL_H_
+#define	_ASM_SPL_H_
+
+#define BOOT_DEVICE_NAND	1
+#define BOOT_DEVICE_SPI		2
+#define BOOT_DEVICE_MMC1	3
+#define BOOT_DEVICE_MMC2	4	/* dummy */
+#define BOOT_DEVICE_MMC2_2	5	/* dummy */
+
+#endif