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ae95160278
This version is patched so that: * ELF and API features are enabled. * The default environment is trimmed to just what's needed to boot. * The saveenv command writes to the file u-boot.env on the FAT partition. * The DTB file name is chosen based on the board model and passed to ubldr using the fdtfile env variable. ubldr loads the DTB from /boot/dtb/ on the FreeBSD partition. * By default, it loads ELF ubldr from file ubldr on the FAT partition to address 0x42000000, and launches it. For information about running FreeBSD on Allwinner SoCs, see https://wiki.freebsd.org/FreeBSD/arm/Allwinner Differential Revision: https://reviews.freebsd.org/D2874 Reviewed by: garga Approved by: garga
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
--- include/configs/sunxi-common.h.orig 2015-04-13 14:53:03 UTC
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+++ include/configs/sunxi-common.h
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@@ -406,4 +406,71 @@ extern int soft_i2c_gpio_scl;
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#define CONFIG_EXTRA_ENV_SETTINGS
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#endif
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+/*****************************************************************************
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+ * FreeBSD customizations from here down.
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+ ****************************************************************************/
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+
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+/* Add the API and ELF features needed for ubldr. */
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+#ifndef CONFIG_SPL_BUILD
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+#define CONFIG_API
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+#define CONFIG_CMD_ELF
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+#define CONFIG_CMD_ENV_EXISTS
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+#define CONFIG_EFI_PARTITION
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+#endif
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+
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+/* Turn off dcache. */
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+#ifndef CONFIG_SPL_BUILD
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+#define CONFIG_SYS_DCACHE_OFF
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+#define CONFIG_CMD_CACHE
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+#endif
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+
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+/* Save the env to the fat partition. */
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+#ifndef CONFIG_SPL_BUILD
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+#undef CONFIG_ENV_IS_NOWHERE
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+#undef CONFIG_ENV_IS_IN_NAND
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+#undef CONFIG_ENV_IS_IN_MMC
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+#undef CONFIG_ENV_IS_IN_SPI_FLASH
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+#define CONFIG_ENV_IS_IN_FAT
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+#define CONFIG_FAT_WRITE
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+#define CONFIG_SYS_MMC_MAX_DEVICE 4
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+#define FAT_ENV_INTERFACE "mmc"
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+#define FAT_ENV_DEVICE_AND_PART "0:1"
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+#define FAT_ENV_FILE "u-boot.env"
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+#endif
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+
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+/* Create a small(ish) boot environment for FreeBSD. */
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+#ifndef CONFIG_SPL_BUILD
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+#undef CONFIG_EXTRA_ENV_SETTINGS
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+#define CONFIG_EXTRA_ENV_SETTINGS \
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+ MEM_LAYOUT_ENV_SETTINGS \
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+ CONSOLE_STDOUT_SETTINGS \
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+ "stdin=serial,usbkbd\0" \
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+ "fdtfile=%%MODEL%%.dtb\0" \
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+ "console=ttyS0,115200\0" \
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+ "Fatboot=" \
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+ "env exists loaderdev || env set loaderdev ${fatdev}; " \
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+ "env exists UserFatboot && run UserFatboot; " \
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+ "echo Booting from: ${fatdev} ${bootfile}; " \
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+ "fatload ${fatdev} ${kernel_addr_r} ${bootfile} && bootelf; " \
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+ "\0" \
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+ "Netboot=" \
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+ "env exists loaderdev || env set loaderdev net; " \
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+ "env exists UserNetboot && run UserNetboot; " \
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+ "dhcp ${kernel_addr_r} ${bootfile} && bootelf; " \
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+ "\0" \
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+ "preboot=usb start; " \
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+ "env exists bootfile || env set bootfile ubldr; " \
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+ "env exists SetupFatdev && run SetupFatdev; " \
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+ "env exists UserPreboot && run UserPreboot; " \
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+ "\0" \
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+ "SetupFatdev=" \
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+ "env exists fatdev || env set fatdev 'mmc 0'; " \
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+ "\0"
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+
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+#undef CONFIG_BOOTCOMMAND
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+#define CONFIG_BOOTCOMMAND "run Fatboot"
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+#undef CONFIG_PREBOOT
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+#define CONFIG_PREBOOT "run preboot"
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+#endif
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+
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#endif /* _SUNXI_COMMON_CONFIG_H */
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