diff options
| -rw-r--r-- | board/raspberrypi/rpi/rpi.env | 77 | ||||
| -rw-r--r-- | configs/rpi_0_w_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_2_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_3_32b_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_3_b_plus_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_3_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_4_32b_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_4_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_arm64_defconfig | 2 | ||||
| -rw-r--r-- | configs/rpi_defconfig | 2 | ||||
| -rw-r--r-- | include/configs/rpi.h | 134 |
11 files changed, 86 insertions, 143 deletions
diff --git a/board/raspberrypi/rpi/rpi.env b/board/raspberrypi/rpi/rpi.env new file mode 100644 index 0000000000..30228285ed --- /dev/null +++ b/board/raspberrypi/rpi/rpi.env @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +/* environment for Raspberry Pi boards */ + +dhcpuboot=usb start; dhcp u-boot.uimg; bootm + +/* Environment */ +stdin=serial,usbkbd +stdout=serial,vidconsole +stderr=serial,vidconsole + +/* DFU over USB/UDC */ +#ifdef CONFIG_CMD_DFU +dfu_alt_info=u-boot.bin fat 0 1;uboot.env fat 0 1; + config.txt fat 0 1; +#ifdef CONFIG_ARM64 +dfu_alt_info+=Image fat 0 1 +#else +dfu_alt_info+=zImage fat 0 1 +#endif +#endif /* CONFIG_CMD_DFU */ + +/* + * Memory layout for where various images get loaded by boot scripts: + * + * I suspect address 0 is used as the SMP pen on the RPi2, so avoid this. + * + * Older versions of the boot firmware place the firmware-loaded DTB at 0x100, + * newer versions place it in high memory. So prevent U-Boot from doing its own + * DTB + initrd relocation so that we won't accidentally relocate the initrd + * over the firmware-loaded DTB and generally try to lay out things starting + * from the bottom of RAM. + * + * kernel_addr_r has different constraints on ARM and Aarch64. For 32-bit ARM, + * it must be within the first 128M of RAM in order for the kernel's + * CONFIG_AUTO_ZRELADDR option to work. The kernel itself will be decompressed + * to 0x8000 but the decompressor clobbers 0x4000-0x8000 as well. The + * decompressor also likes to relocate itself to right past the end of the + * decompressed kernel, so in total the sum of the compressed and + * decompressed kernel needs to be reserved. + * + * For Aarch64, the kernel image is uncompressed and must be loaded at + * text_offset bytes (specified in the header of the Image) into a 2MB + * boundary. The 'booti' command relocates the image if necessary. Linux uses + * a default text_offset of 0x80000. In summary, loading at 0x80000 + * satisfies all these constraints and reserving memory up to 0x02400000 + * permits fairly large (roughly 36M) kernels. + * + * scriptaddr and pxefile_addr_r can be pretty much anywhere that doesn't + * conflict with something else. Reserving 1M for each of them at + * 0x02400000-0x02500000 and 0x02500000-0x02600000 should be plenty. + * + * On ARM, both the DTB and any possible initrd must be loaded such that they + * fit inside the lowmem mapping in Linux. In practice, this usually means not + * more than ~700M away from the start of the kernel image but this number can + * be larger OR smaller depending on e.g. the 'vmalloc=xxxM' command line + * parameter given to the kernel. So reserving memory from low to high + * satisfies this constraint again. Reserving 1M at 0x02600000-0x02700000 for + * the DTB leaves rest of the free RAM to the initrd starting at 0x02700000. + * Even with the smallest possible CPU-GPU memory split of the CPU getting + * only 64M, the remaining 25M starting at 0x02700000 should allow quite + * large initrds before they start colliding with U-Boot. + */ +#ifdef CONFIG_ARM64 +fdt_high=ffffffffffffffff +initrd_high=ffffffffffffffff +#else +fdt_high=ffffffff +initrd_high=ffffffff +#endif +kernel_addr_r=0x00080000 +scriptaddr=0x02400000 +pxefile_addr_r=0x02500000 +fdt_addr_r=0x02600000 +ramdisk_addr_r=0x02700000 + +boot_targets=mmc usb pxe dhcp diff --git a/configs/rpi_0_w_defconfig b/configs/rpi_0_w_defconfig index 5da334a8bc..3167bfbe48 100644 --- a/configs/rpi_0_w_defconfig +++ b/configs/rpi_0_w_defconfig @@ -12,8 +12,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2835-rpi-zero-w" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig index 9908621607..883dab1617 100644 --- a/configs/rpi_2_defconfig +++ b/configs/rpi_2_defconfig @@ -13,8 +13,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2836-rpi-2-b" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig index 80885aa948..5ff7d987a4 100644 --- a/configs/rpi_3_32b_defconfig +++ b/configs/rpi_3_32b_defconfig @@ -12,8 +12,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2837-rpi-3-b" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/configs/rpi_3_b_plus_defconfig b/configs/rpi_3_b_plus_defconfig index 0acce8b883..31f2a6eb31 100644 --- a/configs/rpi_3_b_plus_defconfig +++ b/configs/rpi_3_b_plus_defconfig @@ -11,8 +11,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2837-rpi-3-b-plus" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig index bb6fe12806..fa6e1507d6 100644 --- a/configs/rpi_3_defconfig +++ b/configs/rpi_3_defconfig @@ -11,8 +11,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2837-rpi-3-b" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig index f621334097..55bf6c0770 100644 --- a/configs/rpi_4_32b_defconfig +++ b/configs/rpi_4_32b_defconfig @@ -10,9 +10,9 @@ CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_DM_RESET=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_PCI=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y CONFIG_PREBOOT="pci enum; usb start;" # CONFIG_DISPLAY_CPUINFO is not set diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig index bbc0fd6c64..6679cce9a1 100644 --- a/configs/rpi_4_defconfig +++ b/configs/rpi_4_defconfig @@ -10,9 +10,9 @@ CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_DM_RESET=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_PCI=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y CONFIG_PREBOOT="pci enum; usb start;" # CONFIG_DISPLAY_CPUINFO is not set diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig index 5d9a273cb9..26e29ffb5a 100644 --- a/configs/rpi_arm64_defconfig +++ b/configs/rpi_arm64_defconfig @@ -10,9 +10,9 @@ CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_DM_RESET=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_PCI=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y CONFIG_PREBOOT="pci enum; usb start;" # CONFIG_DISPLAY_CPUINFO is not set diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig index 550b8dcb95..0ac5efec71 100644 --- a/configs/rpi_defconfig +++ b/configs/rpi_defconfig @@ -12,8 +12,8 @@ CONFIG_DEFAULT_DEVICE_TREE="bcm2835-rpi-b" CONFIG_SYS_PROMPT="U-Boot> " CONFIG_OF_LIBFDT_OVERLAY=y CONFIG_SYS_LOAD_ADDR=0x1000000 +CONFIG_BOOTSTD_DEFAULTS=y CONFIG_OF_BOARD_SETUP=y -CONFIG_DISTRO_DEFAULTS=y CONFIG_USE_PREBOOT=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set diff --git a/include/configs/rpi.h b/include/configs/rpi.h index 4da982f735..8e56bdc84a 100644 --- a/include/configs/rpi.h +++ b/include/configs/rpi.h @@ -13,8 +13,6 @@ #include <asm/arch/base.h> #endif -/* Architecture, CPU, etc.*/ - /* Use SoC timer for AArch32, but architected timer for AArch64 */ #ifndef CONFIG_ARM64 #define CFG_SYS_TIMER_RATE 1000000 @@ -33,136 +31,4 @@ */ #define CFG_SYS_SDRAM_SIZE SZ_128M -/* Devices */ -/* LCD */ - -/* DFU over USB/UDC */ -#ifdef CONFIG_CMD_DFU -#ifdef CONFIG_ARM64 -#define KERNEL_FILENAME "Image" -#else -#define KERNEL_FILENAME "zImage" -#endif - -#define ENV_DFU_SETTINGS \ - "dfu_alt_info=u-boot.bin fat 0 1;uboot.env fat 0 1;" \ - "config.txt fat 0 1;" \ - KERNEL_FILENAME " fat 0 1\0" -#else -#define ENV_DFU_SETTINGS "" -#endif - -/* Console configuration */ - -/* Environment */ - -/* Shell */ - -/* Environment */ -#define ENV_DEVICE_SETTINGS \ - "stdin=serial,usbkbd\0" \ - "stdout=serial,vidconsole\0" \ - "stderr=serial,vidconsole\0" - -#ifdef CONFIG_ARM64 -#define FDT_HIGH "ffffffffffffffff" -#define INITRD_HIGH "ffffffffffffffff" -#else -#define FDT_HIGH "ffffffff" -#define INITRD_HIGH "ffffffff" -#endif - -/* - * Memory layout for where various images get loaded by boot scripts: - * - * I suspect address 0 is used as the SMP pen on the RPi2, so avoid this. - * - * Older versions of the boot firmware place the firmware-loaded DTB at 0x100, - * newer versions place it in high memory. So prevent U-Boot from doing its own - * DTB + initrd relocation so that we won't accidentally relocate the initrd - * over the firmware-loaded DTB and generally try to lay out things starting - * from the bottom of RAM. - * - * kernel_addr_r has different constraints on ARM and Aarch64. For 32-bit ARM, - * it must be within the first 128M of RAM in order for the kernel's - * CONFIG_AUTO_ZRELADDR option to work. The kernel itself will be decompressed - * to 0x8000 but the decompressor clobbers 0x4000-0x8000 as well. The - * decompressor also likes to relocate itself to right past the end of the - * decompressed kernel, so in total the sum of the compressed and and - * decompressed kernel needs to be reserved. - * - * For Aarch64, the kernel image is uncompressed and must be loaded at - * text_offset bytes (specified in the header of the Image) into a 2MB - * boundary. The 'booti' command relocates the image if necessary. Linux uses - * a default text_offset of 0x80000. In summary, loading at 0x80000 - * satisfies all these constraints and reserving memory up to 0x02400000 - * permits fairly large (roughly 36M) kernels. - * - * scriptaddr and pxefile_addr_r can be pretty much anywhere that doesn't - * conflict with something else. Reserving 1M for each of them at - * 0x02400000-0x02500000 and 0x02500000-0x02600000 should be plenty. - * - * On ARM, both the DTB and any possible initrd must be loaded such that they - * fit inside the lowmem mapping in Linux. In practice, this usually means not - * more than ~700M away from the start of the kernel image but this number can - * be larger OR smaller depending on e.g. the 'vmalloc=xxxM' command line - * parameter given to the kernel. So reserving memory from low to high - * satisfies this constraint again. Reserving 1M at 0x02600000-0x02700000 for - * the DTB leaves rest of the free RAM to the initrd starting at 0x02700000. - * Even with the smallest possible CPU-GPU memory split of the CPU getting - * only 64M, the remaining 25M starting at 0x02700000 should allow quite - * large initrds before they start colliding with U-Boot. - */ -#define ENV_MEM_LAYOUT_SETTINGS \ - "fdt_high=" FDT_HIGH "\0" \ - "initrd_high=" INITRD_HIGH "\0" \ - "kernel_addr_r=0x00080000\0" \ - "scriptaddr=0x02400000\0" \ - "pxefile_addr_r=0x02500000\0" \ - "fdt_addr_r=0x02600000\0" \ - "ramdisk_addr_r=0x02700000\0" - -#if IS_ENABLED(CONFIG_CMD_MMC) - #define BOOT_TARGET_MMC(func) \ - func(MMC, mmc, 0) \ - func(MMC, mmc, 1) \ - func(MMC, mmc, 2) -#else - #define BOOT_TARGET_MMC(func) -#endif - -#if IS_ENABLED(CONFIG_CMD_USB) - #define BOOT_TARGET_USB(func) func(USB, usb, 0) -#else - #define BOOT_TARGET_USB(func) -#endif - -#if CONFIG_IS_ENABLED(CMD_PXE) - #define BOOT_TARGET_PXE(func) func(PXE, pxe, na) -#else - #define BOOT_TARGET_PXE(func) -#endif - -#if CONFIG_IS_ENABLED(CMD_DHCP) - #define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na) -#else - #define BOOT_TARGET_DHCP(func) -#endif - -#define BOOT_TARGET_DEVICES(func) \ - BOOT_TARGET_MMC(func) \ - BOOT_TARGET_USB(func) \ - BOOT_TARGET_PXE(func) \ - BOOT_TARGET_DHCP(func) - -#include <config_distro_bootcmd.h> - -#define CFG_EXTRA_ENV_SETTINGS \ - "dhcpuboot=usb start; dhcp u-boot.uimg; bootm\0" \ - ENV_DEVICE_SETTINGS \ - ENV_DFU_SETTINGS \ - ENV_MEM_LAYOUT_SETTINGS \ - BOOTENV - - #endif |