Add GPL-2.0+ SPDX-License-Identifier to source files

[karo-tx-uboot.git] / arch / arm / cpu / arm926ejs / davinci / spl.c

diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c
index f475f9ba75fa72c3988e44b88f8bfc73163e7c33..59b304efcb7cc0d0059d8b15dea52fbfa4d29738 100644 (file)
--- a/arch/arm/cpu/arm926ejs/davinci/spl.c
+++ b/arch/arm/cpu/arm926ejs/davinci/spl.c
@@ -2,25 +2,11 @@
  * Copyright (C) 2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
+#include <config.h>
+#include <spl.h>
 #include <asm/u-boot.h>
 #include <asm/utils.h>
 #include <nand.h>
@@ -28,16 +14,11 @@
 #include <ns16550.h>
 #include <malloc.h>
 #include <spi_flash.h>
-
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+#include <mmc.h>
 
 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)
@@ -51,46 +32,49 @@ 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);
+
+       /* Third, we clear the BSS. */
+       memset(__bss_start, 0, __bss_end - __bss_start);
+
+       /* Finally, setup gd and move to the next step. */
+       gd = &gdata;
+       board_init_r(NULL, 0);
 }
 
-void board_init_r(gd_t *id, ulong dummy)
+void spl_board_init(void)
 {
-#ifdef CONFIG_SOC_DM365
-       nand_init();
-       puts("Nand boot...\n");
-       nand_boot();
-#endif
-#ifdef CONFIG_SOC_DA8XX
-       mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
-                       CONFIG_SYS_MALLOC_LEN);
+       preloader_console_init();
+}
 
-       gd = &gdata;
-       gd->bd = &bdata;
-       gd->flags |= GD_FLG_RELOC;
-       gd->baudrate = CONFIG_BAUDRATE;
-       serial_init();          /* serial communications setup */
-       gd->have_console = 1;
+u32 spl_boot_mode(void)
+{
+       return MMCSD_MODE_RAW;
+}
 
-       puts("SPI boot...\n");
-       spi_boot();
+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
 }