From patchwork Wed Feb 26 21:37:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kyle Evans X-Patchwork-Id: 236920 List-Id: U-Boot discussion From: kevans at FreeBSD.org (kevans at FreeBSD.org) Date: Wed, 26 Feb 2020 15:37:12 -0600 Subject: [PATCH 1/2] rpi: add an RPi Kconfig to configure size of initial page reservation Message-ID: <20200226213714.37785-1-kevans@FreeBSD.org> From: Kyle Evans While the nearly-universal default for the Raspberry Pi family is to use spin tables and the spin table implementation provided by the Raspberry Pi Foundation, FreeBSD and others may use a PSCI implementation instead. Accommodate these setups by allowing them to configure for more than one page to be reserved in the initial reservation. The default reservation remains as one page. Signed-off-by: Kyle Evans --- arch/arm/mach-bcm283x/Kconfig | 2 ++ board/raspberrypi/rpi/Kconfig | 10 ++++++++++ 2 files changed, 12 insertions(+) create mode 100644 board/raspberrypi/rpi/Kconfig diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index 00419bf254..e6eb904e7f 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -209,4 +209,6 @@ config SYS_SOC config SYS_CONFIG_NAME default "rpi" +source "board/raspberrypi/rpi/Kconfig" + endmenu diff --git a/board/raspberrypi/rpi/Kconfig b/board/raspberrypi/rpi/Kconfig new file mode 100644 index 0000000000..e40088fde1 --- /dev/null +++ b/board/raspberrypi/rpi/Kconfig @@ -0,0 +1,10 @@ +if SYS_BOARD = "rpi" + +config RPI_EFI_NR_SPIN_PAGES + int "Spin table page count" + default 1 + help + Number of pages to reserve starting at page 0 for spin tables in the EFI + memory map + +endif