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

5 files changed, 157 insertions, 38 deletions

diff --git a/common/Makefile b/common/Makefile
index 60681c845c..3ee7a6b18b 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -53,7 +53,7 @@ obj-$(CONFIG_ENV_IS_IN_UBI) += env_ubi.o
 obj-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o
 
 obj-$(CONFIG_CMD_BEDBUG) += bedbug.o
-obj-$(CONFIG_$(SPL_)OF_LIBFDT) += fdt_support.o
+obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += fdt_support.o
 
 obj-$(CONFIG_MII) += miiphyutil.o
 obj-$(CONFIG_CMD_MII) += miiphyutil.o
@@ -96,7 +96,7 @@ obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
 obj-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
 obj-$(CONFIG_SPL_LOAD_FIT) += common_fit.o
 obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
-obj-$(CONFIG_SPL_OF_LIBFDT) += fdt_support.o
+obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += fdt_support.o
 ifdef CONFIG_SPL_USB_HOST_SUPPORT
 obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o
 obj-$(CONFIG_USB_STORAGE) += usb_storage.o
@@ -146,10 +146,10 @@ endif
 endif
 obj-y += image.o
 obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o
-obj-$(CONFIG_$(SPL_)OF_LIBFDT) += image-fdt.o
-obj-$(CONFIG_$(SPL_)FIT) += image-fit.o
+obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += image-fdt.o
+obj-$(CONFIG_$(SPL_TPL_)FIT) += image-fit.o
 obj-$(CONFIG_FIT_EMBED) += boot_fit.o common_fit.o
-obj-$(CONFIG_$(SPL_)FIT_SIGNATURE) += image-sig.o
+obj-$(CONFIG_$(SPL_TPL_)FIT_SIGNATURE) += image-sig.o
 obj-$(CONFIG_IO_TRACE) += iotrace.o
 obj-y += memsize.o
 obj-y += stdio.o
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 4de81392b0..5176857506 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -18,6 +18,16 @@ config SPL
 
 if SPL
 
+config SPL_LDSCRIPT
+	string "Linker script for the SPL stage"
+	default "arch/$(ARCH)/cpu/u-boot-spl.lds"
+	depends on SPL
+	help
+	  The SPL stage will usually require a different linker-script
+	  (as it runs from a different memory region) than the regular
+	  U-Boot stage.	 Set this to the path of the linker-script to
+	  be used for SPL.
+
 config SPL_BOARD_INIT
 	bool "Call board-specific initialization in SPL"
 	help
@@ -25,6 +35,17 @@ config SPL_BOARD_INIT
 	  spl_board_init() from board_init_r(). This function should be
 	  provided by the board.
 
+config SPL_BOOTROM_SUPPORT
+        bool "Support returning to the BOOTROM"
+	help
+	  Some platforms (e.g. the Rockchip RK3368) provide support in their
+	  ROM for loading the next boot-stage after performing basic setup
+	  from the SPL stage.
+
+	  Enable this option, to return to the BOOTROM through the
+	  BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
+	  boot device list, if not implemented for a given board)
+
 config SPL_RAW_IMAGE_SUPPORT
 	bool "Support SPL loading and booting of RAW images"
 	default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT))
@@ -51,6 +72,15 @@ config SPL_SYS_MALLOC_SIMPLE
 	  this will make the SPL binary smaller at the cost of more heap
 	  usage as the *_simple malloc functions do not re-use free-ed mem.
 
+config TPL_SYS_MALLOC_SIMPLE
+	bool
+	prompt "Only use malloc_simple functions in the TPL"
+	help
+	  Say Y here to only use the *_simple malloc functions from
+	  malloc_simple.c, rather then using the versions from dlmalloc.c;
+	  this will make the TPL binary smaller at the cost of more heap
+	  usage as the *_simple malloc functions do not re-use free-ed mem.
+
 config SPL_STACK_R
 	bool "Enable SDRAM location for SPL stack"
 	help
@@ -573,14 +603,6 @@ config SPL_SPI_SUPPORT
 	  enable SPI drivers that are needed for other purposes also, such
 	  as a SPI PMIC.
 
-config SPL_TIMER_SUPPORT
-	bool "Support timer drivers"
-	help
-	  Enable support for timer drivers in SPL. These can be used to get
-	  a timer value when in SPL, or perhaps for implementing a delay
-	  function. This enables the drivers in drivers/timer as part of an
-	  SPL build.
-
 config SPL_USB_HOST_SUPPORT
 	bool "Support USB host drivers"
 	help
@@ -687,6 +709,74 @@ config TPL
 
 if TPL
 
+config TPL_LDSCRIPT
+        string "Linker script for the TPL stage"
+	depends on TPL
+	help
+	  The TPL stage will usually require a different linker-script
+	  (as it runs from a different memory region) than the regular
+	  U-Boot stage.  Set this to the path of the linker-script to
+	  be used for TPL.
+
+	  May be left empty to trigger the Makefile infrastructure to
+	  fall back to the linker-script used for the SPL stage.
+
+config TPL_NEEDS_SEPARATE_TEXT_BASE
+        bool "TPL needs a separate text-base"
+	default n
+	depends on TPL
+	help
+	  Enable, if the TPL stage should not inherit its text-base
+	  from the SPL stage.  When enabled, a base address for the
+	  .text sections of the TPL stage has to be set below.
+
+config TPL_NEEDS_SEPARATE_STACK
+        bool "TPL needs a separate initial stack-pointer"
+	default n
+	depends on TPL
+	help
+	  Enable, if the TPL stage should not inherit its initial
+	  stack-pointer from the settings for the SPL stage.
+
+config TPL_TEXT_BASE
+        hex "Base address for the .text section of the TPL stage"
+	depends on TPL_NEEDS_SEPARATE_TEXT_BASE
+	help
+	  The base address for the .text section of the TPL stage.
+
+config TPL_MAX_SIZE
+        int "Maximum size (in bytes) for the TPL stage"
+	default 0
+	depends on TPL
+	help
+	  The maximum size (in bytes) of the TPL stage.
+
+config TPL_STACK
+        hex "Address of the initial stack-pointer for the TPL stage"
+	depends on TPL_NEEDS_SEPARATE_STACK
+	help
+	  The address of the initial stack-pointer for the TPL stage.
+	  Usually this will be the (aligned) top-of-stack.
+
+config TPL_BOOTROM_SUPPORT
+        bool "Support returning to the BOOTROM (from TPL)"
+	help
+	  Some platforms (e.g. the Rockchip RK3368) provide support in their
+	  ROM for loading the next boot-stage after performing basic setup
+	  from the TPL stage.
+
+	  Enable this option, to return to the BOOTROM through the
+	  BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
+	  boot device list, if not implemented for a given board)
+
+config TPL_DRIVERS_MISC_SUPPORT
+	bool "Support misc drivers in TPL"
+	help
+	  Enable miscellaneous drivers in TPL. These drivers perform various
+	  tasks that don't fall nicely into other categories, Enable this
+	  option to build the drivers in drivers/misc as part of an TPL
+	  build, for those that support building in TPL (not all drivers do).
+
 config TPL_ENV_SUPPORT
 	bool "Support an environment"
 	help
@@ -695,7 +785,7 @@ config TPL_ENV_SUPPORT
 config TPL_I2C_SUPPORT
 	bool "Support I2C"
 	help
-	  Enable support for the I2C bus in SPL. See SPL_I2C_SUPPORT for
+	  Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for
 	  details.
 
 config TPL_LIBCOMMON_SUPPORT
@@ -725,24 +815,24 @@ config TPL_MMC_SUPPORT
 config TPL_NAND_SUPPORT
 	bool "Support NAND flash"
 	help
-	  Enable support for NAND in SPL. See SPL_NAND_SUPPORT for details.
+	  Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details.
 
 config TPL_SERIAL_SUPPORT
 	bool "Support serial"
 	help
-	  Enable support for serial in SPL. See SPL_SERIAL_SUPPORT for
+	  Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for
 	  details.
 
 config TPL_SPI_FLASH_SUPPORT
 	bool "Support SPI flash drivers"
 	help
-	  Enable support for using SPI flash in SPL. See SPL_SPI_FLASH_SUPPORT
+	  Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT
 	  for details.
 
 config TPL_SPI_SUPPORT
 	bool "Support SPI drivers"
 	help
-	  Enable support for using SPI in SPL. See SPL_SPI_SUPPORT for
+	  Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for
 	  details.
 
 endif # TPL
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 47a64dd7d0..112b3e6022 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -10,23 +10,24 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_FRAMEWORK) += spl.o
-obj-$(CONFIG_SPL_LOAD_FIT) += spl_fit.o
-obj-$(CONFIG_SPL_NOR_SUPPORT) += spl_nor.o
-obj-$(CONFIG_SPL_XIP_SUPPORT) += spl_xip.o
-obj-$(CONFIG_SPL_YMODEM_SUPPORT) += spl_ymodem.o
+obj-$(CONFIG_$(SPL_TPL_)BOOTROM_SUPPORT) += spl_bootrom.o
+obj-$(CONFIG_$(SPL_TPL_)LOAD_FIT) += spl_fit.o
+obj-$(CONFIG_$(SPL_TPL_)SPL_NOR_SUPPORT) += spl_nor.o
+obj-$(CONFIG_$(SPL_TPL_)SPL_XIP_SUPPORT) += spl_xip.o
+obj-$(CONFIG_$(SPL_TPL_)SPL_YMODEM_SUPPORT) += spl_ymodem.o
 ifndef CONFIG_SPL_UBI
-obj-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o
-obj-$(CONFIG_SPL_ONENAND_SUPPORT) += spl_onenand.o
+obj-$(CONFIG_$(SPL_TPL_)NAND_SUPPORT) += spl_nand.o
+obj-$(CONFIG_$(SPL_TPL_)ONENAND_SUPPORT) += spl_onenand.o
 endif
-obj-$(CONFIG_SPL_UBI) += spl_ubi.o
-obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
-obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o
-obj-$(CONFIG_SPL_ATF_SUPPORT) += spl_atf.o
-obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o
-obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
-obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o
-obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o
-obj-$(CONFIG_SPL_DFU_SUPPORT) += spl_dfu.o
-obj-$(CONFIG_SPL_SPI_LOAD) += spl_spi.o
-obj-$(CONFIG_SPL_RAM_SUPPORT) += spl_ram.o
+obj-$(CONFIG_$(SPL_TPL_)UBI) += spl_ubi.o
+obj-$(CONFIG_$(SPL_TPL_)NET_SUPPORT) += spl_net.o
+obj-$(CONFIG_$(SPL_TPL_)MMC_SUPPORT) += spl_mmc.o
+obj-$(CONFIG_$(SPL_TPL_)ATF_SUPPORT) += spl_atf.o
+obj-$(CONFIG_$(SPL_TPL_)USB_SUPPORT) += spl_usb.o
+obj-$(CONFIG_$(SPL_TPL_)FAT_SUPPORT) += spl_fat.o
+obj-$(CONFIG_$(SPL_TPL_)EXT_SUPPORT) += spl_ext.o
+obj-$(CONFIG_$(SPL_TPL_)SATA_SUPPORT) += spl_sata.o
+obj-$(CONFIG_$(SPL_TPL_)DFU_SUPPORT) += spl_dfu.o
+obj-$(CONFIG_$(SPL_TPL_)SPI_LOAD) += spl_spi.o
+obj-$(CONFIG_$(SPL_TPL_)RAM_SUPPORT) += spl_ram.o
 endif
diff --git a/common/spl/spl.c b/common/spl/spl.c
index c56cc6f0ec..d245cfc0d1 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -6,6 +6,7 @@
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
+
 #include <common.h>
 #include <dm.h>
 #include <spl.h>
@@ -243,7 +244,7 @@ static int spl_common_init(bool setup_malloc)
 			return ret;
 		}
 	}
-	if (IS_ENABLED(CONFIG_SPL_DM)) {
+	if (CONFIG_IS_ENABLED(DM)) {
 		bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL, "dm_spl");
 		/* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
 		ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
@@ -424,7 +425,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 	      gd->malloc_ptr / 1024);
 #endif
 
-	if (IS_ENABLED(CONFIG_SPL_ATF_SUPPORT)) {
+	if (CONFIG_IS_ENABLED(ATF_SUPPORT)) {
 		debug("loaded - jumping to U-Boot via ATF BL31.\n");
 		bl31_entry();
 	}
@@ -486,7 +487,7 @@ ulong spl_relocate_stack_gd(void)
 	gd_t *new_gd;
 	ulong ptr = CONFIG_SPL_STACK_R_ADDR;
 
-#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_SPL_SYS_MALLOC_F_LEN
+#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
 	if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
 		ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
 		gd->malloc_base = ptr;
diff --git a/common/spl/spl_bootrom.c b/common/spl/spl_bootrom.c
new file mode 100644
index 0000000000..6804246d03
--- /dev/null
+++ b/common/spl/spl_bootrom.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2017 Theobroma Systems Design und Consulting GmH
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+__weak void board_return_to_bootrom(void)
+{
+}
+
+static int spl_return_to_bootrom(struct spl_image_info *spl_image,
+				 struct spl_boot_device *bootdev)
+{
+	/*
+	 * If the board implements a way to return to its ROM (with
+	 * the expectation that the next stage of will be booted by
+	 * the ROM), it will implement board_return_to_bootrom() and
+	 * should not return from it.
+	 */
+	board_return_to_bootrom();
+	return false;
+}
+
+SPL_LOAD_IMAGE_METHOD("BOOTROM", 0, BOOT_DEVICE_BOOTROM, spl_return_to_bootrom);