From ddccf5ef90b6df10fe7a58fe112d2d4013e4f154 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 18 Sep 2018 14:58:16 +0200 Subject: arm64: versal: Add Xilinx Versal Virtual QEMU board Virtual QEMU board is generating DTB self and putting it to VERSAL_QEMU_DTB_ADDR address. Board is using CONFIG_OF_BOARD which ensures that u-boot is aligned with board created by QEMU. Signed-off-by: Michal Simek --- arch/arm/mach-versal/Kconfig | 5 +++++ arch/arm/mach-versal/cpu.c | 14 ++++++++++++++ 2 files changed, 19 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-versal/Kconfig b/arch/arm/mach-versal/Kconfig index 04dbaea09c9..9cee97b7482 100644 --- a/arch/arm/mach-versal/Kconfig +++ b/arch/arm/mach-versal/Kconfig @@ -36,4 +36,9 @@ config COUNTER_FREQUENCY config ZYNQ_SDHCI_MAX_FREQ default 200000000 +config VERSAL_OF_BOARD_DTB_ADDR + hex + default 0x1000 + depends on OF_BOARD + endif diff --git a/arch/arm/mach-versal/cpu.c b/arch/arm/mach-versal/cpu.c index 959570eef6e..1fd3c246c12 100644 --- a/arch/arm/mach-versal/cpu.c +++ b/arch/arm/mach-versal/cpu.c @@ -67,3 +67,17 @@ u64 get_page_table_size(void) { return 0x14000; } + +#if defined(CONFIG_OF_BOARD) +void *board_fdt_blob_setup(void) +{ + static void *fw_dtb = (void *)CONFIG_VERSAL_OF_BOARD_DTB_ADDR; + + if (fdt_magic(fw_dtb) != FDT_MAGIC) { + printf("DTB is not passed via %llx\n", (u64)fw_dtb); + return NULL; + } + + return fw_dtb; +} +#endif -- cgit v1.3.1