[U-Boot] [PATCH V2 09/10] imx8qxp: mek: default enable SPL

Peng Fan
2018-12-21T06:21:34Z

Enable SPL for i.MX8QXP MEK, and currently use SPL FIT.
The SPL enable SPL_DM to use MMC/PINCTRL/POWER DOMAIN/CLK.

Note: SPL FIT could not support secure boot chain, because i.MX8/8X
only support i.MX container format. This container format has
not been upstreamed, so we use FIT for now. When SPL container
supported, we could switch to that.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
board/freescale/imx8qxp_mek/Makefile | 1 +
board/freescale/imx8qxp_mek/imximage.cfg | 4 +-
board/freescale/imx8qxp_mek/spl.c | 75 ++++++++++++++++++++++++++++++++
configs/imx8qxp_mek_defconfig | 24 ++++++++++
include/configs/imx8qxp_mek.h | 26 +++++++++++
5 files changed, 127 insertions(+), 3 deletions(-)
create mode 100644 board/freescale/imx8qxp_mek/spl.c

diff --git a/board/freescale/imx8qxp_mek/Makefile b/board/freescale/imx8qxp_mek/Makefile
index f9ee8aeff3..acaadcd84a 100644
--- a/board/freescale/imx8qxp_mek/Makefile
+++ b/board/freescale/imx8qxp_mek/Makefile
@@ -5,3 +5,4 @@
#

obj-y += imx8qxp_mek.o
+obj-$(CONFIG_SPL_BUILD) += spl.o
diff --git a/board/freescale/imx8qxp_mek/imximage.cfg b/board/freescale/imx8qxp_mek/imximage.cfg
index bbffb1a88f..259a1646bf 100644
--- a/board/freescale/imx8qxp_mek/imximage.cfg
+++ b/board/freescale/imx8qxp_mek/imximage.cfg
@@ -19,6 +19,4 @@ CONTAINER
/* Add scfw image with exec attribute */
IMAGE SCU mx8qx-mek-scfw-tcm.bin
/* Add ATF image with exec attribute */
-IMAGE A35 bl31.bin 0x80000000
-/* Add U-Boot image with load attribute */
-DATA A35 u-boot-dtb.bin 0x80020000
+IMAGE A35 spl/u-boot-spl.bin 0x00100000
diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c
new file mode 100644
index 0000000000..95ce9f37e8
--- /dev/null
+++ b/board/freescale/imx8qxp_mek/spl.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2018 NXP
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <spl.h>
+#include <dm/uclass.h>
+#include <dm/device.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void spl_board_init(void)
+{
+ struct udevice *dev;
+ int offset;
+
+ uclass_find_first_device(UCLASS_MISC, &dev);
+
+ for (; dev; uclass_find_next_device(&dev)) {
+ if (device_probe(dev))
+ continue;
+ }
+
+ offset = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "nxp,imx8-pd");
+ while (offset != -FDT_ERR_NOTFOUND) {
+ lists_bind_fdt(gd->dm_root, offset_to_ofnode(offset),
+ NULL, true);
+ offset = fdt_node_offset_by_compatible(gd->fdt_blob, offset,
+ "nxp,imx8-pd");
+ }
+
+ uclass_find_first_device(UCLASS_POWER_DOMAIN, &dev);
+
+ for (; dev; uclass_find_next_device(&dev)) {
+ if (device_probe(dev))
+ continue;
+ }
+
+ arch_cpu_init();
+
+ board_early_init_f();
+
+ timer_init();
+
+ preloader_console_init();
+
+ puts("Normal Boot\n");
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* Just empty function now - can't decide what to choose */
+ debug("%s: %s\n", __func__, name);
+
+ return 0;
+}
+#endif
+
+void board_init_f(ulong dummy)
+{
+ /* Clear global data */
+ memset((void *)gd, 0, sizeof(gd_t));
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ board_init_r(NULL, 0);
+}
diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig
index 58b4ca0861..a87dbd17ff 100644
--- a/configs/imx8qxp_mek_defconfig
+++ b/configs/imx8qxp_mek_defconfig
@@ -1,11 +1,28 @@
CONFIG_ARM=y
CONFIG_ARCH_IMX8=y
CONFIG_SYS_TEXT_BASE=0x80020000
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_TARGET_IMX8QXP_MEK=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL=y
CONFIG_NR_DRAM_BANKS=3
+CONFIG_SPL_FIT_GENERATOR="arch/arm/mach-imx/mkimage_fit_atf.sh"
+CONFIG_FIT=y
+CONFIG_SPL_LOAD_FIT=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/imx8qxp_mek/imximage.cfg"
CONFIG_BOOTDELAY=3
+CONFIG_LOG=y
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_POWER_DOMAIN=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
CONFIG_CMD_CPU=y
# CONFIG_CMD_IMPORTENV is not set
CONFIG_CMD_CLK=y
@@ -18,8 +35,11 @@ CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_FAT=y
+CONFIG_SPL_OF_CONTROL=y
CONFIG_DEFAULT_DEVICE_TREE="fsl-imx8qxp-mek"
CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_CLK=y
CONFIG_CLK_IMX8=y
CONFIG_CPU=y
CONFIG_DM_GPIO=y
@@ -41,12 +61,16 @@ CONFIG_FEC_MXC_MDIO_BASE=0x5B040000
CONFIG_FEC_MXC=y
CONFIG_MII=y
CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
CONFIG_PINCTRL_IMX8=y
CONFIG_POWER_DOMAIN=y
CONFIG_IMX8_POWER_DOMAIN=y
CONFIG_DM_REGULATOR=y
+CONFIG_SPL_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SPL_DM_REGULATOR_GPIO=y
CONFIG_DM_SERIAL=y
CONFIG_FSL_LPUART=y
+CONFIG_SPL_TINY_MEMSET=y
# CONFIG_EFI_LOADER is not set
diff --git a/include/configs/imx8qxp_mek.h b/include/configs/imx8qxp_mek.h
index d34d174cac..312e30dc6c 100644
--- a/include/configs/imx8qxp_mek.h
+++ b/include/configs/imx8qxp_mek.h
@@ -9,6 +9,32 @@
#include <linux/sizes.h>
#include <asm/arch/imx-regs.h>

+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_TEXT_BASE 0x0
+#define CONFIG_SPL_MAX_SIZE (124 * 1024)
+#define CONFIG_SYS_MONITOR_LEN (1024 * 1024)
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x250
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 0
+
+#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv8/u-boot-spl.lds"
+#define CONFIG_SPL_STACK 0x013E000
+#define CONFIG_SPL_BSS_START_ADDR 0x00128000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x1000 /* 4 KB */
+#define CONFIG_SYS_SPL_MALLOC_START 0x00120000
+#define CONFIG_SYS_SPL_MALLOC_SIZE 0x3000 /* 12 KB */
+#define CONFIG_SERIAL_LPUART_BASE 0x5a060000
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+#define CONFIG_MALLOC_F_ADDR 0x00120000
+
+#define CONFIG_SPL_RAW_IMAGE_ARM_TRUSTED_FIRMWARE
+
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+
+#define CONFIG_OF_EMBED
+#endif
+
#define CONFIG_REMAKE_ELF

#define CONFIG_BOARD_EARLY_INIT_F
--
2.14.1