From b9ca36cb4bac425d8ec4e43c7ed31772de3f5c7c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Duje=20Mihanovi=C4=87?= Date: Tue, 24 Dec 2024 20:01:25 +0100 Subject: [PATCH] increase baudrate to max, don't use embedded DT --- arch/arm/mach-mmp/Makefile | 2 +- arch/arm/mach-mmp/board.c | 34 ++++++++++++++++++++++++++++++++ configs/coreprimevelte_defconfig | 3 ++- 3 files changed, 37 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-mmp/board.c diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile index 294e6c518f..99beaed05c 100644 --- a/arch/arm/mach-mmp/Makefile +++ b/arch/arm/mach-mmp/Makefile @@ -1 +1 @@ -obj-y += mmu.o +obj-y += board.o mmu.o diff --git a/arch/arm/mach-mmp/board.c b/arch/arm/mach-mmp/board.c new file mode 100644 index 0000000000..21059444c4 --- /dev/null +++ b/arch/arm/mach-mmp/board.c @@ -0,0 +1,34 @@ +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +/* Stolen from arch/arm/mach-snapdragon/board.c */ +void *board_fdt_blob_setup(int *err) +{ + struct fdt_header *fdt; + bool internal_valid, external_valid; + + *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); + + /* + * There is no point returning an error here, U-Boot can't do anything useful in this situation. + * Bail out while we can still print a useful error message. + */ + if (!internal_valid && !external_valid) + panic("Internal FDT is invalid and no external FDT was provided! (fdt=%#llx)\n", + (phys_addr_t)fdt); + + if (internal_valid) { + debug("Using built in FDT\n"); + } else { + debug("Using external FDT\n"); + /* So we can use it before returning */ + gd->fdt_blob = fdt; + } + + return (void *)gd->fdt_blob; +} diff --git a/configs/coreprimevelte_defconfig b/configs/coreprimevelte_defconfig index 8ca5e2b1cd..7c2bdd9a57 100644 --- a/configs/coreprimevelte_defconfig +++ b/configs/coreprimevelte_defconfig @@ -20,11 +20,12 @@ CONFIG_LOGF_LINE=y CONFIG_LOGF_FUNC=y # CONFIG_DISPLAY_CPUINFO is not set CONFIG_OF_CONTROL=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_NO_NET=y CONFIG_CLK=y CONFIG_CPU=y CONFIG_CPU_ARMV8=y +CONFIG_BAUDRATE=921600 CONFIG_SYS_NS16550=y CONFIG_SYS_NS16550_MEM32=y CONFIG_MBEDTLS_LIB=y -- 2.39.5