This returns a devicetree and updates a parameter with an error code. Swap it, since this fits better with the way U-Boot normally works. It also (more easily) allows leaving the existing pointer unchanged.

No yaks were harmed in this change, but there is a very small code-size reduction.

For sifive, the OF_BOARD option must be set for the function to be called, so there is no point in checking it again. Also OF_SEPARATE is defined always.

Signed-off-by: Simon Glass sjg@chromium.org ---

Changes in v2: - Set up the existing FDT in case the board wants to check it - Update snapdragon to return -EEXIST - Set the existing FDT before calling board_fd_blob_setup() - Update sandbox to return -EEXIST if an fdt comes from a bloblist - Update do_go_uboot() to set the existing FDT - Drop unnecessary setting of FDT in vexpress64 - Tidy up redundant RISC-V code

arch/arm/mach-apple/board.c | 7 ++-- arch/arm/mach-snapdragon/board.c | 9 ++--- arch/arm/mach-stm32mp/boot_params.c | 19 ++++++----- arch/sandbox/cpu/cpu.c | 34 +++++++++---------- board/Marvell/octeontx/board-fdt.c | 12 +++---- board/Marvell/octeontx2/board-fdt.c | 12 +++---- board/Marvell/octeontx2/board.c | 3 +- board/andestech/ae350/ae350.c | 23 +++++++------ board/armltd/vexpress64/vexpress64.c | 33 ++++++++---------- board/broadcom/bcmstb/bcmstb.c | 7 ++-- board/emulation/qemu-arm/qemu-arm.c | 7 ++-- board/emulation/qemu-ppce500/qemu-ppce500.c | 12 +++---- board/emulation/qemu-riscv/qemu-riscv.c | 7 ++-- board/highbank/highbank.c | 7 ++-- board/raspberrypi/rpi/rpi.c | 13 ++++--- board/sifive/unleashed/unleashed.c | 12 +++---- board/sifive/unmatched/unmatched.c | 11 +++--- .../visionfive2/starfive_visionfive2.c | 11 +++--- board/xen/xenguest_arm64/xenguest_arm64.c | 14 ++++---- board/xilinx/common/board.c | 26 ++++++++------ include/fdtdec.h | 9 ++--- lib/fdtdec.c | 14 +++++--- 22 files changed, 152 insertions(+), 150 deletions(-)

diff --git a/arch/arm/mach-apple/board.c b/arch/arm/mach-apple/board.c index 0b6d290b8ac..2644a04a622 100644 --- a/arch/arm/mach-apple/board.c +++ b/arch/arm/mach-apple/board.c @@ -691,11 +691,12 @@ int dram_init_banksize(void)

extern long fw_dtb_pointer;

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { /* Return DTB pointer passed by m1n1 */ - *err = 0; - return (void *)fw_dtb_pointer; + *fdtp = (void *)fw_dtb_pointer; + + return 0; }

void build_mem_map(void) diff --git a/arch/arm/mach-snapdragon/board.c b/arch/arm/mach-snapdragon/board.c index 2ab2ceb5138..cd49de540f0 100644 --- a/arch/arm/mach-snapdragon/board.c +++ b/arch/arm/mach-snapdragon/board.c @@ -147,12 +147,12 @@ static void show_psci_version(void) * or for supporting quirky devices where it's easier to leave the downstream DT in place * to improve ABL compatibility. Otherwise, we use the DT provided by ABL. */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { struct fdt_header *fdt; bool internal_valid, external_valid; + int ret = 0;

- *err = 0; fdt = (struct fdt_header *)get_prev_bl_fdt_addr(); external_valid = fdt && !fdt_check_header(fdt); internal_valid = !fdt_check_header(gd->fdt_blob); @@ -167,10 +167,11 @@ void *board_fdt_blob_setup(int *err)

if (internal_valid) { debug("Using built in FDT\n"); + ret = -EEXIST; } else { debug("Using external FDT\n"); /* So we can use it before returning */ - gd->fdt_blob = fdt; + *fdtp = fdt; }

/* @@ -179,7 +180,7 @@ void *board_fdt_blob_setup(int *err) */ qcom_parse_memory();

- return (void *)gd->fdt_blob; + return ret; }

void reset_cpu(void) diff --git a/arch/arm/mach-stm32mp/boot_params.c b/arch/arm/mach-stm32mp/boot_params.c index ebddf6a7dbc..2d058edc419 100644 --- a/arch/arm/mach-stm32mp/boot_params.c +++ b/arch/arm/mach-stm32mp/boot_params.c @@ -6,6 +6,7 @@ #define LOG_CATEGORY LOGC_ARCH

#include <config.h> +#include <errno.h> #include <log.h> #include <linux/libfdt.h> #include <asm/arch/sys_proto.h> @@ -16,20 +17,22 @@ * Use the saved FDT address provided by TF-A at boot time (NT_FW_CONFIG = * Non Trusted Firmware configuration file) when the pointer is valid */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { unsigned long nt_fw_dtb = get_stm32mp_bl2_dtb();

log_debug("%s: nt_fw_dtb=%lx\n", __func__, nt_fw_dtb);

- *err = 0; /* use external device tree only if address is valid */ - if (nt_fw_dtb >= STM32_DDR_BASE) { - if (fdt_magic(nt_fw_dtb) == FDT_MAGIC) - return (void *)nt_fw_dtb; - log_debug("%s: DTB not found.\n", __func__); + if (nt_fw_dtb < STM32_DDR_BASE || + fdt_magic(nt_fw_dtb) != FDT_MAGIC) { + log_debug("DTB not found.\n"); + log_debug("fall back to builtin DTB, %p\n", _end); + + return -EEXIST; } - log_debug("%s: fall back to builtin DTB, %p\n", __func__, _end);

- return (void *)_end; + *fdtp = (void *)nt_fw_dtb; + + return 0; } diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c index 06f8c13fab9..a1bcb26e25e 100644 --- a/arch/sandbox/cpu/cpu.c +++ b/arch/sandbox/cpu/cpu.c @@ -355,7 +355,7 @@ static int setup_auto_tree(void *blob) return 0; }

-void *board_fdt_blob_setup(int *ret) +int board_fdt_blob_setup(void **fdtp) { struct sandbox_state *state = state_get_current(); const char *fname = state->fdt_fname; @@ -365,43 +365,41 @@ void *board_fdt_blob_setup(int *ret) int fd;

if (gd->fdt_blob) - return (void *)gd->fdt_blob; + return -EEXIST; blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0); - *ret = 0; if (!state->fdt_fname) { err = setup_auto_tree(blob); - if (!err) - goto done; - os_printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); - *ret = -EINVAL; - goto fail; + if (err) { + os_printf("Unable to create empty FDT: %s\n", + fdt_strerror(err)); + return -EINVAL; + } + *fdtp = blob; + + return 0; }

err = os_get_filesize(fname, &size); if (err < 0) { os_printf("Failed to find FDT file '%s'\n", fname); - *ret = err; - goto fail; + return err; } fd = os_open(fname, OS_O_RDONLY); if (fd < 0) { os_printf("Failed to open FDT file '%s'\n", fname); - *ret = -EACCES; - goto fail; + return -EACCES; }

if (os_read(fd, blob, size) != size) { os_close(fd); os_printf("Failed to read FDT file '%s'\n", fname); - *ret = -EIO; - goto fail; + return -EIO; } os_close(fd);

-done: - return blob; -fail: - return NULL; + *fdtp = blob; + + return 0; }

ulong timer_get_boot_us(void) diff --git a/board/Marvell/octeontx/board-fdt.c b/board/Marvell/octeontx/board-fdt.c index 6642b167e19..9d913b959e0 100644 --- a/board/Marvell/octeontx/board-fdt.c +++ b/board/Marvell/octeontx/board-fdt.c @@ -296,13 +296,9 @@ int ft_board_setup(void *blob, struct bd_info *bd) return 0; }

-/** - * Return the FDT base address that was passed by ATF - * - * Return: FDT base address received from ATF in x1 register - */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - return (void *)fdt_base_addr; + *fdtp = (void *)fdt_base_addr; + + return 0; } diff --git a/board/Marvell/octeontx2/board-fdt.c b/board/Marvell/octeontx2/board-fdt.c index 04be9fb0a9a..e5a4db00bb7 100644 --- a/board/Marvell/octeontx2/board-fdt.c +++ b/board/Marvell/octeontx2/board-fdt.c @@ -210,13 +210,9 @@ int ft_board_setup(void *blob, struct bd_info *bd) return 0; }

-/** - * Return the FDT base address that was passed by ATF - * - * Return: FDT base address received from ATF in x1 register - */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - return (void *)fdt_base_addr; + *fdtp = (void *)fdt_base_addr; + + return 0; } diff --git a/board/Marvell/octeontx2/board.c b/board/Marvell/octeontx2/board.c index 974e9eb8200..01ba53cf68d 100644 --- a/board/Marvell/octeontx2/board.c +++ b/board/Marvell/octeontx2/board.c @@ -234,7 +234,8 @@ static int do_go_uboot(struct cmd_tbl *cmdtp, int flag, int argc, return CMD_RET_USAGE;

addr = hextoul(argv[1], NULL); - fdt = board_fdt_blob_setup(&err); + fdt = (void *)gd->fdt_blob; + err = board_fdt_blob_setup(&fdt); entry = (uboot_entry_t)addr; flush_cache((ulong)addr, 1 << 20); /* 1MiB should be enough */ dcache_disable(); diff --git a/board/andestech/ae350/ae350.c b/board/andestech/ae350/ae350.c index 5ae5baed6ba..1d9d4a929c2 100644 --- a/board/andestech/ae350/ae350.c +++ b/board/andestech/ae350/ae350.c @@ -79,21 +79,24 @@ ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) }

#define ANDES_HW_DTB_ADDRESS 0xF2000000 -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (IS_ENABLED(CONFIG_OF_SEPARATE) || IS_ENABLED(CONFIG_OF_BOARD)) { - if (fdt_magic((uintptr_t)gd->arch.firmware_fdt_addr) == FDT_MAGIC) - return (void *)(ulong)gd->arch.firmware_fdt_addr; + if (fdt_magic((uintptr_t)gd->arch.firmware_fdt_addr) == + FDT_MAGIC) { + *fdtp = (void *)(ulong)gd->arch.firmware_fdt_addr; + + return 0; + } }

- if (fdt_magic(CONFIG_SYS_FDT_BASE) == FDT_MAGIC) - return (void *)CONFIG_SYS_FDT_BASE; - return (void *)ANDES_HW_DTB_ADDRESS; + if (fdt_magic(CONFIG_SYS_FDT_BASE) == FDT_MAGIC) { + *fdtp = (void *)CONFIG_SYS_FDT_BASE; + + return 0; + }

- *err = -EINVAL; - return NULL; + return -EINVAL; }

#ifdef CONFIG_SPL_BOARD_INIT diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c index 0119f54f0df..b5ede58757d 100644 --- a/board/armltd/vexpress64/vexpress64.c +++ b/board/armltd/vexpress64/vexpress64.c @@ -168,42 +168,37 @@ static bool is_valid_dtb(uintptr_t dtb_ptr) return fdt_subnode_offset((void *)dtb_ptr, 0, "memory") >= 0; }

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { #ifdef CONFIG_TARGET_VEXPRESS64_JUNO phys_addr_t fdt_rom_addr = find_dtb_in_nor_flash(CONFIG_JUNO_DTB_PART);

- *err = 0; - if (fdt_rom_addr == ~0UL) { - *err = -ENXIO; - return NULL; - } + if (fdt_rom_addr == ~0UL) + return -ENXIO;

- return (void *)fdt_rom_addr; + *fdtp = (void *)fdt_rom_addr; + return 0; #endif

#ifdef VEXPRESS_FDT_ADDR if (fdt_magic(VEXPRESS_FDT_ADDR) == FDT_MAGIC) { - *err = 0; - return (void *)VEXPRESS_FDT_ADDR; + *fdtp = (void *)VEXPRESS_FDT_ADDR; + return 0; } #endif

if (is_valid_dtb(prior_stage_fdt_address[1])) { - *err = 0; - return (void *)prior_stage_fdt_address[1]; + *fdtp = (void *)prior_stage_fdt_address[1]; + return 0; } else if (is_valid_dtb(prior_stage_fdt_address[0])) { - *err = 0; - return (void *)prior_stage_fdt_address[0]; + *fdtp = (void *)prior_stage_fdt_address[0]; + return 0; }

- if (fdt_magic(gd->fdt_blob) == FDT_MAGIC) { - *err = 0; - return (void *)gd->fdt_blob; - } + if (fdt_magic(*fdtp) == FDT_MAGIC) + return 0;

- *err = -ENXIO; - return NULL; + return -ENXIO; } #endif

diff --git a/board/broadcom/bcmstb/bcmstb.c b/board/broadcom/bcmstb/bcmstb.c index bc05aecc446..e655f610c84 100644 --- a/board/broadcom/bcmstb/bcmstb.c +++ b/board/broadcom/bcmstb/bcmstb.c @@ -130,9 +130,10 @@ int board_late_init(void) return 0; }

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; /* Stored the DTB address there during our init */ - return (void *)prior_stage_fdt_address; + *fdtp = (void *)prior_stage_fdt_address; + + return 0; } diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index 6095cb02b23..8476796f1c3 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -149,11 +149,12 @@ int dram_init_banksize(void) return 0; }

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; /* QEMU loads a generated DTB for us at the start of RAM. */ - return (void *)CFG_SYS_SDRAM_BASE; + *fdtp = (void *)CFG_SYS_SDRAM_BASE; + + return 0; }

void enable_caches(void) diff --git a/board/emulation/qemu-ppce500/qemu-ppce500.c b/board/emulation/qemu-ppce500/qemu-ppce500.c index 58e5d5eb942..40d295dbf06 100644 --- a/board/emulation/qemu-ppce500/qemu-ppce500.c +++ b/board/emulation/qemu-ppce500/qemu-ppce500.c @@ -334,15 +334,11 @@ u32 cpu_mask(void) return (1 << cpu_numcores()) - 1; }

-/** - * Return the virtual address of FDT that was passed by QEMU - * - * Return: virtual address of FDT received from QEMU in r3 register - */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - return get_fdt_virt(); + *fdtp = get_fdt_virt(); + + return 0; }

/* See CFG_SYS_NS16550_CLK in arch/powerpc/include/asm/config.h */ diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index e5193e31e37..a90222ea6a4 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -64,9 +64,10 @@ int board_fit_config_name_match(const char *name) } #endif

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; /* Stored the DTB address there during our init */ - return (void *)(ulong)gd->arch.firmware_fdt_addr; + *fdtp = (void *)(ulong)gd->arch.firmware_fdt_addr; + + return 0; } diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c index f3df83ed6c9..0ec88447384 100644 --- a/board/highbank/highbank.c +++ b/board/highbank/highbank.c @@ -97,15 +97,16 @@ int ft_board_setup(void *fdt, struct bd_info *bd) } #endif

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; /* * The ECME management processor loads the DTB from NOR flash * into DRAM (at 4KB), where it gets patched to contain the * detected memory size. */ - return (void *)0x1000; + *fdtp = (void *)0x1000; + + return 0; }

static int is_highbank(void) diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c index 9122f33d88d..c46fe4b2350 100644 --- a/board/raspberrypi/rpi/rpi.c +++ b/board/raspberrypi/rpi/rpi.c @@ -508,15 +508,14 @@ int board_init(void) /* * If the firmware passed a device tree use it for U-Boot. */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (fdt_magic(fw_dtb_pointer) != FDT_MAGIC) { - *err = -ENXIO; - return NULL; - } + if (fdt_magic(fw_dtb_pointer) != FDT_MAGIC) + return -ENXIO;

- return (void *)fw_dtb_pointer; + *fdtp = (void *)fw_dtb_pointer; + + return 0; }

int copy_property(void *dst, void *src, char *path, char *property) diff --git a/board/sifive/unleashed/unleashed.c b/board/sifive/unleashed/unleashed.c index 3c5dd50c369..c1c374610c3 100644 --- a/board/sifive/unleashed/unleashed.c +++ b/board/sifive/unleashed/unleashed.c @@ -114,15 +114,15 @@ int misc_init_r(void)

#endif

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (IS_ENABLED(CONFIG_OF_SEPARATE) || IS_ENABLED(CONFIG_OF_BOARD)) { - if (gd->arch.firmware_fdt_addr) - return (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + if (gd->arch.firmware_fdt_addr) { + *fdtp = (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + + return 0; }

- return (ulong *)_end; + return -EEXIST; }

int board_init(void) diff --git a/board/sifive/unmatched/unmatched.c b/board/sifive/unmatched/unmatched.c index c8696270ba2..23e03e145ee 100644 --- a/board/sifive/unmatched/unmatched.c +++ b/board/sifive/unmatched/unmatched.c @@ -10,15 +10,14 @@ #include <dm.h> #include <asm/sections.h>

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (IS_ENABLED(CONFIG_OF_SEPARATE) || IS_ENABLED(CONFIG_OF_BOARD)) { - if (gd->arch.firmware_fdt_addr) - return (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + if (gd->arch.firmware_fdt_addr) { + *fdtp = (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + return 0; }

- return (ulong *)_end; + return -EEXIST; }

int board_init(void) diff --git a/board/starfive/visionfive2/starfive_visionfive2.c b/board/starfive/visionfive2/starfive_visionfive2.c index f6114602f88..3940d45b13f 100644 --- a/board/starfive/visionfive2/starfive_visionfive2.c +++ b/board/starfive/visionfive2/starfive_visionfive2.c @@ -115,15 +115,14 @@ int board_late_init(void) return 0; }

-void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (IS_ENABLED(CONFIG_OF_SEPARATE) || IS_ENABLED(CONFIG_OF_BOARD)) { - if (gd->arch.firmware_fdt_addr) - return (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + if (gd->arch.firmware_fdt_addr) { + *fdtp = (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr; + return 0; }

- return (ulong *)_end; + return -EEXIST; }

int ft_board_setup(void *blob, struct bd_info *bd) diff --git a/board/xen/xenguest_arm64/xenguest_arm64.c b/board/xen/xenguest_arm64/xenguest_arm64.c index 4c3b9c9e278..216a022aa15 100644 --- a/board/xen/xenguest_arm64/xenguest_arm64.c +++ b/board/xen/xenguest_arm64/xenguest_arm64.c @@ -44,14 +44,14 @@ int board_init(void) * x0 is the physical address of the device tree blob (dtb) in system RAM. * This is stored in rom_pointer during low level init. */ -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { - *err = 0; - if (fdt_magic(rom_pointer[0]) != FDT_MAGIC) { - *err = -ENXIO; - return NULL; - } - return (void *)rom_pointer[0]; + if (fdt_magic(rom_pointer[0]) != FDT_MAGIC) + return -ENXIO; + + *fdtp = (void *)rom_pointer[0]; + + return 0; }

/* diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c index 38dd80533fa..f9421b9a988 100644 --- a/board/xilinx/common/board.c +++ b/board/xilinx/common/board.c @@ -357,17 +357,17 @@ __maybe_unused int xilinx_read_eeprom(void) }

#if defined(CONFIG_OF_BOARD) -void *board_fdt_blob_setup(int *err) +int board_fdt_blob_setup(void **fdtp) { void *fdt_blob;

- *err = 0; - if (IS_ENABLED(CONFIG_TARGET_XILINX_MBV)) { fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR;

- if (fdt_magic(fdt_blob) == FDT_MAGIC) - return fdt_blob; + if (fdt_magic(fdt_blob) == FDT_MAGIC) { + *fdtp = fdt_blob; + return 0; + } }

if (!IS_ENABLED(CONFIG_XPL_BUILD) && @@ -375,8 +375,10 @@ void *board_fdt_blob_setup(int *err) !IS_ENABLED(CONFIG_ZYNQMP_NO_DDR)) { fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR;

- if (fdt_magic(fdt_blob) == FDT_MAGIC) - return fdt_blob; + if (fdt_magic(fdt_blob) == FDT_MAGIC) { + *fdtp = fdt_blob; + return 0; + }

debug("DTB is not passed via %p\n", fdt_blob); } @@ -395,13 +397,15 @@ void *board_fdt_blob_setup(int *err) fdt_blob = (ulong *)_end; }

- if (fdt_magic(fdt_blob) == FDT_MAGIC) - return fdt_blob; + if (fdt_magic(fdt_blob) == FDT_MAGIC) { + *fdtp = fdt_blob; + + return 0; + }

debug("DTB is also not passed via %p\n", fdt_blob);

- *err = -EINVAL; - return NULL; + return -EINVAL; } #endif

diff --git a/include/fdtdec.h b/include/fdtdec.h index 555c9520379..58bbd8f392e 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -1191,11 +1191,12 @@ int fdtdec_resetup(int *rescan); * * The existing devicetree is available at gd->fdt_blob * - * @err: 0 on success, -EEXIST if the devicetree is already correct, or other - * internal error code if we fail to setup a DTB - * @returns new devicetree blob pointer + * @fdtp: Existing devicetree blob pointer; update this and return 0 if a + * different devicetree should be used + * Return: 0 on success, -EEXIST if the existing FDT is OK, -ve error code if we + * fail to setup a DTB */ -void *board_fdt_blob_setup(int *err); +int board_fdt_blob_setup(void **fdtp);

/* * Decode the size of memory diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 60e28173c03..c5d29d4385a 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1706,11 +1706,17 @@ int fdtdec_setup(void)

/* Allow the board to override the fdt address. */ if (IS_ENABLED(CONFIG_OF_BOARD)) { - gd->fdt_blob = board_fdt_blob_setup(&ret); - if (!ret) + void *blob; + + blob = (void *)gd->fdt_blob; + ret = board_fdt_blob_setup(&blob); + if (ret) { + if (ret != -EEXIST) + return ret; + } else { gd->fdt_src = FDTSRC_BOARD; - else if (ret != -EEXIST) - return ret; + gd->fdt_blob = blob; + } }

/* Allow the early environment to override the fdt address */