X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fomap-common%2Fboot-common.c;h=30335647605442f227d349c2da93eb02ff430894;hp=2b584e0a53755ec0164a0412a9449a57760af13f;hb=4180b3dba25c2c28cc4502f1c9f1cbad2a9972b8;hpb=7528cf5f016b5b8b8b12b373f6f31a10bf89233d

diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 2b584e0a53..3033564760 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -5,15 +5,7 @@
  *
  * Copyright (C) 2011, 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 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.
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -22,32 +14,81 @@
 #include <asm/arch/omap.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
+#include <watchdog.h>
 
-/*
- * This is used to verify if the configuration header
- * was executed by rom code prior to control of transfer
- * to the bootloader. SPL is responsible for saving and
- * passing the boot_params pointer to the u-boot.
- */
-struct omap_boot_parameters boot_params __attribute__ ((section(".data")));
+DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_SPL_BUILD
-/*
- * We use static variables because global data is not ready yet.
- * Initialized data is available in SPL right from the beginning.
- * We would not typically need to save these parameters in regular
- * U-Boot. This is needed only in SPL at the moment.
- */
-u32 omap_bootmode = MMCSD_MODE_FAT;
+void save_omap_boot_params(void)
+{
+	u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
+	u8 boot_device;
+	u32 dev_desc, dev_data;
+
+	if ((rom_params <  NON_SECURE_SRAM_START) ||
+	    (rom_params > NON_SECURE_SRAM_END))
+		return;
+
+	/*
+	 * rom_params can be type casted to omap_boot_parameters and
+	 * used. But it not correct to assume that romcode structure
+	 * encoding would be same as u-boot. So use the defined offsets.
+	 */
+	gd->arch.omap_boot_params.omap_bootdevice = boot_device =
+				   *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
+
+	gd->arch.omap_boot_params.ch_flags =
+				*((u8 *)(rom_params + CH_FLAGS_OFFSET));
+
+	if ((boot_device >= MMC_BOOT_DEVICES_START) &&
+	    (boot_device <= MMC_BOOT_DEVICES_END)) {
+#if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) && \
+	!defined(CONFIG_AM43XX)
+		if ((omap_hw_init_context() ==
+				      OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) {
+			gd->arch.omap_boot_params.omap_bootmode =
+			*((u8 *)(rom_params + BOOT_MODE_OFFSET));
+		} else
+#endif
+		{
+			dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET));
+			dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET));
+			gd->arch.omap_boot_params.omap_bootmode =
+					*((u32 *)(dev_data + BOOT_MODE_OFFSET));
+		}
+	}
 
+#ifdef CONFIG_DRA7XX
+	/*
+	 * We get different values for QSPI_1 and QSPI_4 being used, but
+	 * don't actually care about this difference.  Rather than
+	 * mangle the later code, if we're coming in as QSPI_4 just
+	 * change to the QSPI_1 value.
+	 */
+	if (gd->arch.omap_boot_params.omap_bootdevice == 11)
+		gd->arch.omap_boot_params.omap_bootdevice = BOOT_DEVICE_SPI;
+#endif
+}
+
+#ifdef CONFIG_SPL_BUILD
 u32 spl_boot_device(void)
 {
-	return (u32) (boot_params.omap_bootdevice);
+	return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
 }
 
 u32 spl_boot_mode(void)
 {
-	return omap_bootmode;
+	u32 val = gd->arch.omap_boot_params.omap_bootmode;
+
+	if (val == MMCSD_MODE_RAW)
+		return MMCSD_MODE_RAW;
+	else if (val == MMCSD_MODE_FAT)
+		return MMCSD_MODE_FAT;
+	else
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+		return MMCSD_MODE_EMMCBOOT;
+#else
+		return MMCSD_MODE_UNDEFINED;
+#endif
 }
 
 void spl_board_init(void)
@@ -55,19 +96,39 @@ void spl_board_init(void)
 #ifdef CONFIG_SPL_NAND_SUPPORT
 	gpmc_init();
 #endif
+#if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
+	arch_misc_init();
+#endif
+#if defined(CONFIG_HW_WATCHDOG)
+	hw_watchdog_init();
+#endif
+#ifdef CONFIG_AM33XX
+	am33xx_spl_board_init();
+#endif
 }
 
 int board_mmc_init(bd_t *bis)
 {
 	switch (spl_boot_device()) {
 	case BOOT_DEVICE_MMC1:
-		omap_mmc_init(0, 0, 0);
+		omap_mmc_init(0, 0, 0, -1, -1);
 		break;
 	case BOOT_DEVICE_MMC2:
 	case BOOT_DEVICE_MMC2_2:
-		omap_mmc_init(1, 0, 0);
+		omap_mmc_init(1, 0, 0, -1, -1);
 		break;
 	}
 	return 0;
 }
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+	typedef void __noreturn (*image_entry_noargs_t)(u32 *);
+	image_entry_noargs_t image_entry =
+			(image_entry_noargs_t) spl_image->entry_point;
+
+	debug("image entry point: 0x%X\n", spl_image->entry_point);
+	/* Pass the saved boot_params from rom code */
+	image_entry((u32 *)&gd->arch.omap_boot_params);
+}
 #endif