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* apple_m1_defconfig: Bump CONFIG_LMB_MAX_REGIONS to 64Janne Grunau2023-03-291-0/+1
| | | | | | | | | | | Apple silicon SoCs have numerous embedded co-processors with pre-loaded firmware. The co-processors text and data sections need to be mapped via DART iommus controlled by the main processor. Those sections are exported as reserved-memory. Bump CONFIG_LMB_MAX_REGIONS from 8 to 64 to deal with the large amount of reserved-memory regions. Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
* arm: apple: Enable PCIe USB controllerMark Kettenis2023-01-271-0/+1
| | | | | | | | | Some Apple Silicon machines have a PCIe XHCI controller in additon to the DWC3 controllers integrated on the SoC. On the Mac mini the Type-A ports are handled by this PCIe controller. Enabling it allows the use of these ports in U-Boot. Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
* Convert CONFIG_SYS_BOOTM_LEN to KconfigTom Rini2022-07-071-0/+1
| | | | | | | | | | | | | This converts the following to Kconfig: CONFIG_SYS_BOOTM_LEN As part of this, rework error handling in boot/bootm.c so that we pass the buffer size to handle_decomp_error as CONFIG_SYS_BOOTM_LEN will not be available to host tools but we do know the size that we passed to malloc(). Cc: Soeren Moch <smoch@web.de> Signed-off-by: Tom Rini <trini@konsulko.com>
* Convert CONFIG_SYS_CBSIZE to KconfigTom Rini2022-06-061-0/+1
| | | | | | | This converts the following to Kconfig: CONFIG_SYS_CBSIZE Signed-off-by: Tom Rini <trini@konsulko.com>
* Convert CONFIG_SYS_PBSIZE to KconfigTom Rini2022-06-061-0/+1
| | | | | | | This converts the following to Kconfig: CONFIG_SYS_PBSIZE Signed-off-by: Tom Rini <trini@konsulko.com>
* arm: apple: Don't clear framebufferMark Kettenis2022-04-221-0/+2
| | | | | | | | | Enable CONFIG_NO_FB_CLEAR to preserve the Asahi logo. Since that logo is drawn on a black background also enable CONFIG_SYS_WHITE_ON_BLACK such that text printed by U-Boot is still visible. Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
* configs: Resync with savedefconfigTom Rini2022-03-281-3/+0
| | | | | | Rsync all defconfig files using moveconfig.py Signed-off-by: Tom Rini <trini@konsulko.com>
* arm: apple: Switch to fully dynamic mem layoutJanne Grunau2022-02-281-1/+2
| | | | | | | | | | | | | Support for Apple M1 Pro and Max will allow using a single binary for all M1 SoCs. The M1 Pro/Max have a different memory layout. The RAM start address is 0x100_0000_0000 instead of 0x8_0000_0000. Replace the hardcoded memory layout with dynamic initialized environment variables in board_late_init(). Tested on Mac Mini (2020) and Macbook Pro 14-inch (2021). Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
* arm: apple: Disable debug UARTMark Kettenis2022-02-211-1/+0
| | | | | | | | | | The address of the debug UART varies differs between the M1 and the M1 Pro/Max SoCs. So we have to disable it to make a single U-Boot binary that works on all SoC generations. Leave the settings for the base address and clock rate of the M1 in place to make it easier to re-enable the debug UART when needed. Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
* configs: Resync with savedefconfigTom Rini2022-02-141-2/+2
| | | | | | Rsync all defconfig files using moveconfig.py Signed-off-by: Tom Rini <trini@konsulko.com>
* apple: Fix debug uart clock rateMark Kettenis2022-02-101-1/+1
| | | | | | | The clock rate for the serial console on Apple M1 systems is 24 MHz instead of 240 kHz. Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
* input: apple: Add support for Apple SPI keyboardMark Kettenis2022-02-101-0/+1
| | | | | | | | | | | | | | | | This driver adds support for the keyboard on Apple Silicon laptops. The controller for this keyboard sits on an SPI bus and uses an Apple-specific HID over SPI protocol. The packets sent by this controller for key presses and key releases are fairly simple and are decoded directly by the code in this driver and converted into standard Linux keycodes. The same controller handles the touchpad found on these laptops. Packets for touchpad events are simply ignored. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Simon Glass <sjg@chromium.org> Tested on: Macbook Air M1 Tested-by: Simon Glass <sjg@chromium.org>
* nvme: apple: Add driver for Apple NVMe storage controllerMark Kettenis2022-02-101-0/+1
| | | | | | | | | | | | | | | | | | Add a driver for the NVMe storage controller integrated on Apple SoCs. This NVMe controller isn't PCI based and deviates from the NVMe standard in its implementation of the command submission queue and the integration of an NVMMU that needs to be managed. This commit tweaks the core NVMe code to support the linear command submission queue implemented by this controller. But setting up the submission queue and managing the NVMMU controller is handled by implementing the driver ops that were added in an earlier commit. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Tested-on: firefly-rk3399 Tested-by: Mark Kettenis <kettenis@openbsd.org> Tested on: Macbook Air M1 Tested-by: Simon Glass <sjg@chromium.org>
* configs: Resync with savedefconfigTom Rini2021-11-011-11/+9
| | | | | | Rsync all defconfig files using moveconfig.py Signed-off-by: Tom Rini <trini@konsulko.com>
* arm: dts: apple: Add preliminary device treesMark Kettenis2021-10-311-0/+1
| | | | | | | | | | | | | | | | | | | Add preliminary device trees for the Apple M1 mini (2020) and Apple M1 Macbook Pro 13" (2020). Device tree bindings for the Apple M1 SoC are still being formalized and these device trees will be synchronized with the Linux kernel as needed. The device trees in this commit are based on the initial Apple M1 device trees from Linux 5.13, nodes for dart, pcie, pinctrl, pmgr, usb based on bindings on track for inclusion in Linux 5.15 and 5.16 and nodes for i2c, mailbox, nvme, pmu, spmi and watchdog that don't have a proposed binding yet. These device trees are provided as a reference only as U-Boot uses the device tree passed by the m1n1 bootloader. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Simon Glass <sjg@chromium.org>
* serial: s5p: Add Apple M1 supportMark Kettenis2021-10-311-0/+4
| | | | | | | | | Apple M1 SoCs include an S5L UART which is a variant of the S5P UART. Add support for this variant and enable it by default on Apple SoCs. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Simon Glass <sjg@chromium.org>
* arm: apple: Add initial support for Apple's M1 SoCMark Kettenis2021-10-311-0/+15
Add support for Apple's M1 SoC that is used in "Apple Silicon" Macs. This builds a basic U-Boot that can be used as a payload for the m1n1 boot loader being developed by the Asahi Linux project. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Add MAINTAINERS entry]
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